summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/video/chihiro.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/video/chihiro.c')
-rw-r--r--src/mame/video/chihiro.c3528
1 files changed, 3528 insertions, 0 deletions
diff --git a/src/mame/video/chihiro.c b/src/mame/video/chihiro.c
new file mode 100644
index 00000000000..40186ff88a9
--- /dev/null
+++ b/src/mame/video/chihiro.c
@@ -0,0 +1,3528 @@
+#include "emu.h"
+#include "video/poly.h"
+#include "bitmap.h"
+#include "includes/chihiro.h"
+
+//#define LOG_NV2A
+
+const char *vertex_program_disassembler::srctypes[] = { "??", "Rn", "Vn", "Cn" };
+const char *vertex_program_disassembler::scaops[] = { "NOP", "IMV", "RCP", "RCC", "RSQ", "EXP", "LOG", "LIT", "???", "???", "???", "???", "???", "???", "???", "???", "???" };
+const int vertex_program_disassembler::scapar2[] = { 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
+const char *vertex_program_disassembler::vecops[] = { "NOP", "MOV", "MUL", "ADD", "MAD", "DP3", "DPH", "DP4", "DST", "MIN", "MAX", "SLT", "SGE", "ARL", "???", "???", "???" };
+const int vertex_program_disassembler::vecpar2[] = { 0, 4, 6, 5, 7, 6, 6, 6, 6, 6, 6, 6, 6, 4, 0, 0, 0 };
+const char *vertex_program_disassembler::vecouts[] = { "oPos", "???", "???", "oD0", "oD1", "oFog", "oPts", "oB0", "oB1", "oT0", "oT1", "oT2", "oT3" };
+const char vertex_program_disassembler::compchar[] = { 'x', 'y', 'z', 'w' };
+
+/*
+Each vertex program instruction is a 128 bit word made of the fields:
+d f
+w b i
+o i e
+r t l
+d s d
++-+-----+-------
+|0|31-0 |not used
++-+-----+-------
+| |31-29|not used
+| +-----+-------
+| |28-25|scalar operation
+| +-----+-------
+| |24-21|vectorial operation
+| +-----+-------
+| |20-13|index for source constant C[]
+| +-----+-------
+| |12-9 |input vector index
+| +-----+-------
+|1| 8 |parameter A:sign
+| +-----+-------
+| | 7-6 |parameter A:swizzle x
+| +-----+-------
+| | 5-4 |parameter A:swizzle y
+| +-----+-------
+| | 3-2 |parameter A:swizzle z
+| +-----+-------
+| | 1-0 |parameter A:swizzle w
+|-+-----+-------
+| |31-28|parameter A:parameter Rn index
+| +-----+-------
+| |27-26|parameter A:input type 1:Rn 2:Vn 3:C[n]
+| +-----+-------
+| | 25 |parameter B:sign
+| +-----+-------
+| |24-23|parameter B:swizzle x
+| +-----+-------
+| |22-21|parameter B:swizzle y
+| +-----+-------
+| |20-19|parameter B:swizzle z
+| +-----+-------
+|2|18-17|parameter B:swizzle w
+| +-----+-------
+| |16-13|parameter B:parameter Rn index
+| +-----+-------
+| |12-11|parameter B:input type 1:Rn 2:Vn 3:C[n]
+| +-----+-------
+| | 10 |parameter C:sign
+| +-----+-------
+| | 9-8 |parameter C:swizzle x
+| +-----+-------
+| | 7-6 |parameter C:swizzle y
+| +-----+-------
+| | 5-4 |parameter C:swizzle z
+| +-----+-------
+| | 3-2 |parameter C:swizzle w
+| +-----+-------
+| | 1-0 |
+|-+ |parameter C:parameter Rn index
+| |31-30|
+| +-----+-------
+| |29-28|parameter C:input type 1:Rn 2:Vn 3:C[n]
+| +-----+-------
+| |27-24|output Rn mask from vectorial operation
+| +-----+-------
+| |23-20|output Rn index from vectorial operation
+| +-----+-------
+| |19-16|output Rn mask from scalar operation
+| +-----+-------
+|3|15-12|output vector write mask
+| +-----+-------
+| | 11 |1:output is output vector 0:output is constant C[]
+| +-----+-------
+| |10-3 |output vector/constant index
+| +-----+-------
+| | 2 |0:output Rn from vectorial operation 1:output Rn from scalar operation
+| +-----+-------
+| | 1 |1:add a0x to index for source constant C[]
+| +-----+-------
+| | 0 |1:end of program
++-+-----+-------
+Each vertex program instruction can generate up to three destination values using up to three source values.
+The first possible destination is to Rn from a vectorial operation.
+The second possible destination is to a vertex shader output or C[n] from a vectorial or scalar operation.
+The third possible destination is to Rn from a scalar operation.
+*/
+void vertex_program_disassembler::decodefields(unsigned int *dwords, int offset, fields &decoded)
+{
+ unsigned int srcbits[3];
+ int a;
+
+ srcbits[0] = ((dwords[1 + offset] & 0x1ff) << 6) | (dwords[2 + offset] >> 26);
+ srcbits[1] = (dwords[2 + offset] >> 11) & 0x7fff;
+ srcbits[2] = ((dwords[2 + offset] & 0x7ff) << 4) | (dwords[3 + offset] >> 28);
+ decoded.ScaOperation = (int)(dwords[1 + offset] >> 25) & 0xf;
+ decoded.VecOperation = (int)(dwords[1 + offset] >> 21) & 0xf;
+ decoded.SourceConstantIndex = (int)(dwords[1 + offset] >> 13) & 0xff;
+ decoded.InputIndex = (int)(dwords[1 + offset] >> 9) & 0xf;
+ for (a = 0; a < 3; a++)
+ {
+ decoded.src[a].Sign = (int)(srcbits[a] >> 14) & 1;
+ decoded.src[a].SwizzleX = (int)(srcbits[a] >> 12) & 3;
+ decoded.src[a].SwizzleY = (int)(srcbits[a] >> 10) & 3;
+ decoded.src[a].SwizzleZ = (int)(srcbits[a] >> 8) & 3;
+ decoded.src[a].SwizzleW = (int)(srcbits[a] >> 6) & 3;
+ decoded.src[a].TempIndex = (int)(srcbits[a] >> 2) & 0xf;
+ decoded.src[a].ParameterType = (int)(srcbits[a] >> 0) & 3;
+ }
+
+ decoded.VecTempWriteMask = (int)(dwords[3 + offset] >> 24) & 0xf;
+ decoded.VecTempIndex = (int)(dwords[3 + offset] >> 20) & 0xf;
+ decoded.ScaTempWriteMask = (int)(dwords[3 + offset] >> 16) & 0xf;
+ decoded.OutputWriteMask = (int)(dwords[3 + offset] >> 12) & 0xf;
+ decoded.OutputSelect = (int)(dwords[3 + offset] >> 11) & 0x1;
+ decoded.OutputIndex = (int)(dwords[3 + offset] >> 3) & 0xff;
+ decoded.MultiplexerControl = (int)(dwords[3 + offset] >> 2) & 0x1;
+ decoded.Usea0x = (int)(dwords[3 + offset] >> 1) & 0x1;
+ decoded.EndOfProgram = (int)(dwords[3 + offset] >> 0) & 0x1;
+}
+
+int vertex_program_disassembler::disassemble_mask(int mask, char *s)
+{
+ int l;
+
+ *s = 0;
+ if (mask == 15)
+ return 0;
+ s[0] = '.';
+ l = 1;
+ if ((mask & 8) != 0) {
+ s[l] = 'x';
+ l++;
+ }
+ if ((mask & 4) != 0){
+ s[l] = 'y';
+ l++;
+ }
+ if ((mask & 2) != 0){
+ s[l] = 'z';
+ l++;
+ }
+ if ((mask & 1) != 0){
+ s[l] = 'w';
+ l++;
+ }
+ s[l] = 0;
+ return l;
+}
+
+int vertex_program_disassembler::disassemble_swizzle(sourcefields f, char *s)
+{
+ int t, l;
+
+ t = 4;
+ if (f.SwizzleW == 3)
+ {
+ t = t - 1;
+ if (f.SwizzleZ == 2)
+ {
+ t = t - 1;
+ if (f.SwizzleY == 1)
+ {
+ t = t - 1;
+ if (f.SwizzleX == 0)
+ {
+ t = t - 1;
+ }
+ }
+ }
+ }
+ *s = 0;
+ if (t == 0)
+ return 0;
+ s[0] = '.';
+ l = 1;
+ if (t > 0)
+ {
+ s[l] = compchar[f.SwizzleX];
+ l++;
+ }
+ if (t > 1)
+ {
+ s[l] = compchar[f.SwizzleY];
+ l++;
+ }
+ if (t > 2)
+ {
+ s[l] = compchar[f.SwizzleZ];
+ l++;
+ }
+ if (t > 3)
+ {
+ s[l] = compchar[f.SwizzleW];
+ l++;
+ }
+ s[l] = 0;
+ return l;
+}
+
+int vertex_program_disassembler::disassemble_source(sourcefields f, fields fi, char *s)
+{
+ int l;
+
+ if (f.ParameterType == 0) {
+ strcpy(s, ",???");
+ return 4;
+ }
+ l = 0;
+ if (f.Sign != 0) {
+ s[l] = '-';
+ l++;
+ }
+ if (f.ParameterType == 1) {
+ s[l] = 'r';
+ l = l + 1 + sprintf(s + l + 1, "%d", f.TempIndex);
+ }
+ else if (f.ParameterType == 2){
+ s[l] = 'v';
+ l = l + 1 + sprintf(s + l + 1, "%d", fi.InputIndex);
+ }
+ else
+ {
+ if (fi.Usea0x != 0)
+ {
+ if (fi.SourceConstantIndex >= 96) {
+ strcpy(s + l, "c[");
+ l = l + 2;
+ l = l + sprintf(s + l, "%d", fi.SourceConstantIndex - 96);
+ strcpy(s + l, "+a0.x]");
+ l = l + 6;
+ }
+ else {
+ strcpy(s + l, "c[a0.x");
+ l = l + 6;
+ l = l + sprintf(s + l, "%d", fi.SourceConstantIndex - 96);
+ s[l] = ']';
+ l++;
+ }
+ }
+ else {
+ strcpy(s + l, "c[");
+ l = l + 2;
+ l = l + sprintf(s + l, "%d", fi.SourceConstantIndex - 96);
+ s[l] = ']';
+ l++;
+ }
+ }
+ l = l + disassemble_swizzle(f, s + l);
+ s[l] = 0;
+ return l;
+}
+
+int vertex_program_disassembler::disassemble_output(fields f, char *s)
+{
+ int l;
+
+ if (f.OutputSelect == 1) {
+ strcpy(s, vecouts[f.OutputIndex]);
+ return strlen(s);
+ }
+ else {
+ strcpy(s, "c[");
+ l = 2;
+ l = l + sprintf(s + l, "%d", f.OutputIndex - 96);
+ s[l] = ']';
+ l++;
+ }
+ s[l] = 0;
+ return l;
+}
+
+int vertex_program_disassembler::output_types(fields f, int *o)
+{
+ o[0] = o[1] = o[2] = o[3] = o[4] = o[5] = 0;
+ if ((f.VecOperation > 0) && (f.VecTempWriteMask != 0))
+ o[0] = 1;
+ if ((f.VecOperation > 0) && (f.OutputWriteMask != 0) && (f.MultiplexerControl == 0))
+ o[1] = 1;
+ if ((f.ScaOperation > 0) && (f.OutputWriteMask != 0) && (f.MultiplexerControl == 1))
+ o[2] = 1;
+ if ((f.ScaOperation > 0) && (f.ScaTempWriteMask != 0))
+ o[3] = 1;
+ if (f.VecOperation == 13)
+ o[4] = 1;
+ if (f.EndOfProgram == 1)
+ o[5] = 1;
+ return o[0] + o[1] + o[2] + o[3] + o[4] + o[5];
+}
+
+int vertex_program_disassembler::disassemble(unsigned int *instruction, char *line)
+{
+ int b, p;
+ char *c;
+
+ if (state == 0) {
+ decodefields(instruction, 0, f);
+ output_types(f, o);
+ state = 1;
+ }
+ if (o[0] != 0)
+ {
+ o[0] = 0;
+ c = line;
+ strcpy(c, vecops[f.VecOperation]);
+ c = c + strlen(c);
+ strcpy(c, " r");
+ c = c + 2;
+ c = c + sprintf(c, "%d", f.VecTempIndex);
+ c = c + disassemble_mask(f.VecTempWriteMask, c);
+ b = 0;
+ for (p = 4; p != 0; p = p >> 1)
+ {
+ if ((vecpar2[f.VecOperation] & p) != 0) {
+ c[0] = ',';
+ c++;
+ c = c + disassemble_source(f.src[b], f, c);
+ }
+ b++;
+ }
+ *c = 0;
+ return 1;
+ }
+ if (o[1] != 0)
+ {
+ o[1] = 0;
+ c = line;
+ strcpy(c, vecops[f.VecOperation]);
+ c = c + strlen(c);
+ *c = ' ';
+ c++;
+ c = c + disassemble_output(f, c);
+ c = c + disassemble_mask(f.OutputWriteMask, c);
+ b = 0;
+ for (p = 4; p != 0; p = p >> 1)
+ {
+ if ((vecpar2[f.VecOperation] & p) != 0) {
+ *c = ',';
+ c++;
+ c = c + disassemble_source(f.src[b], f, c);
+ }
+ b++;
+ }
+ *c = 0;
+ return 1;
+ }
+ if (o[2] != 0)
+ {
+ o[2] = 0;
+ c = line;
+ strcpy(c, scaops[f.ScaOperation]);
+ c = c + strlen(c);
+ *c = ' ';
+ c++;
+ c = c + disassemble_output(f, c);
+ c = c + disassemble_mask(f.OutputWriteMask, c);
+ b = 0;
+ for (p = 4; p != 0; p = p >> 1)
+ {
+ if ((scapar2[f.ScaOperation] & p) != 0) {
+ *c = ',';
+ c++;
+ c = c + disassemble_source(f.src[b], f, c);
+ }
+ b++;
+ }
+ *c = 0;
+ return 1;
+ }
+ if (o[3] != 0)
+ {
+ if (f.VecOperation > 0)
+ b = 1;
+ else
+ b = f.VecTempIndex;
+ o[3] = 0;
+ c = line;
+ strcpy(c, scaops[f.ScaOperation]);
+ c = c + strlen(c);
+ strcpy(c, " r");
+ c = c + 2;
+ c = c + sprintf(c, "%d", b);
+ c = c + disassemble_mask(f.ScaTempWriteMask, c);
+ b = 0;
+ for (p = 4; p != 0; p = p >> 1)
+ {
+ if ((scapar2[f.ScaOperation] & p) != 0) {
+ *c = ',';
+ c++;
+ c = c + disassemble_source(f.src[b], f, c);
+ }
+ b++;
+ }
+ *c = 0;
+ return 1;
+ }
+ if (o[4] != 0)
+ {
+ o[4] = 0;
+ c = line;
+ c = c + sprintf(c, "MOV a0.x,");
+ c = c + disassemble_source(f.src[0], f, c);
+ *c = 0;
+ return 1;
+ }
+ if (o[5] != 0)
+ {
+ o[5] = 0;
+ strcpy(line, "END");
+ return 1;
+ }
+ state = 0;
+ return 0;
+}
+
+vertex_program_simulator::vertex_program_simulator()
+{
+ for (int i = 0; i < 256; i++)
+ op[i].modified = 0;
+ initialize_constants();
+}
+
+void vertex_program_simulator::set_data(vertex_nv *in, vertex_nv *out)
+{
+ input = in;
+ output = out;
+}
+
+void vertex_program_simulator::reset()
+{
+ ip = 0;
+ a0x = 0;
+ initialize_outputs();
+ initialize_temps();
+}
+
+void vertex_program_simulator::decode_instruction(int address)
+{
+ instruction *i;
+
+ i = &op[address];
+ i->d.SignA = i->i[1] & (1 << 8);
+ i->d.ParameterTypeA = (i->i[2] >> 26) & 3;
+ i->d.TempIndexA = (i->i[2] >> 28) & 15;
+ i->d.SwizzleA[0] = (i->i[1] >> 6) & 3;
+ i->d.SwizzleA[1] = (i->i[1] >> 4) & 3;
+ i->d.SwizzleA[2] = (i->i[1] >> 2) & 3;
+ i->d.SwizzleA[3] = (i->i[1] >> 0) & 3;
+ i->d.SignB = i->i[2] & (1 << 25);
+ i->d.ParameterTypeB = (i->i[2] >> 11) & 3;
+ i->d.TempIndexB = (i->i[2] >> 13) & 15;
+ i->d.SwizzleB[0] = (i->i[2] >> 23) & 3;
+ i->d.SwizzleB[1] = (i->i[2] >> 21) & 3;
+ i->d.SwizzleB[2] = (i->i[2] >> 19) & 3;
+ i->d.SwizzleB[3] = (i->i[2] >> 17) & 3;
+ i->d.SignC = i->i[2] & (1 << 10);
+ i->d.ParameterTypeC = (i->i[3] >> 28) & 3;
+ i->d.TempIndexC = ((i->i[2] & 3) << 2) + (i->i[3] >> 30);
+ i->d.SwizzleC[0] = (i->i[2] >> 8) & 3;
+ i->d.SwizzleC[1] = (i->i[2] >> 6) & 3;
+ i->d.SwizzleC[2] = (i->i[2] >> 4) & 3;
+ i->d.SwizzleC[3] = (i->i[2] >> 2) & 3;
+ i->d.VecOperation = (i->i[1] >> 21) & 15;
+ i->d.ScaOperation = (i->i[1] >> 25) & 15;
+ i->d.OutputWriteMask = ((i->i[3] >> 12) & 15);
+ i->d.MultiplexerControl = i->i[3] & 4; // 0 : output Rn from vectorial operation 4 : output Rn from scalar operation
+ i->d.VecTempIndex = (i->i[3] >> 20) & 15;
+ i->d.OutputIndex = (i->i[3] >> 3) & 255;
+ i->d.OutputSelect = i->i[3] & 0x800;
+ i->d.VecTempWriteMask = (i->i[3] >> 24) & 15;
+ i->d.ScaTempWriteMask = (i->i[3] >> 16) & 15;
+ i->d.InputIndex = (i->i[1] >> 9) & 15;
+ i->d.SourceConstantIndex = (i->i[1] >> 13) & 255;
+ i->d.Usea0x = i->i[3] & 2;
+ i->d.EndOfProgram = i->i[3] & 1;
+}
+
+int vertex_program_simulator::step()
+{
+ int p1, p2;
+ float tmp[3 * 4];
+ float tmpv[4];
+ float tmps[4];
+ instruction::decoded *d;
+
+#if 0 // useful while debugging to see what instrucion is being executed
+ static int debugvpi = 0;
+ char disbuffer[256];
+ if (debugvpi) {
+ char *pp;
+ vertex_program_disassembler vdis;
+
+ pp = disbuffer;
+ while (vdis.disassemble(op[ip].i, pp) != 0) {
+ pp = pp + strlen(pp);
+ *pp = '\n';
+ pp++;
+ *pp = 0;
+ }
+ }
+#endif
+
+ if (op[ip].modified)
+ decode_instruction(ip);
+ d = &(op[ip].d);
+ // prepare inputs
+ // input A
+ generate_input(&tmp[0], d->SignA, d->ParameterTypeA, d->TempIndexA, d->SwizzleA);
+ // input B
+ generate_input(&tmp[4], d->SignB, d->ParameterTypeB, d->TempIndexB, d->SwizzleB);
+ // input C
+ generate_input(&tmp[8], d->SignC, d->ParameterTypeC, d->TempIndexC, d->SwizzleC);
+ // compute 2 instructions
+ // vectorial
+ compute_vectorial_operation(tmpv, d->VecOperation, tmp);
+ // scalar
+ compute_scalar_operation(tmps, d->ScaOperation, tmp);
+ // assign destinations
+ if (d->VecOperation > 0) {
+ if (d->VecOperation == 13)
+ //o[4] = 1;
+ a0x = (int)tmpv[0];
+ else {
+ if (d->VecTempWriteMask != 0) { // assign to Rn
+ //o[0] = 1;
+ int wm = d->VecTempWriteMask;
+ for (p1 = 0; p1 < 4; p1++) {
+ if (wm & 8)
+ r_temp[d->VecTempIndex].fv[p1] = tmpv[p1];
+ wm = wm << 1;
+ }
+ }
+ if ((d->OutputWriteMask != 0) && (d->MultiplexerControl == 0)) {
+ //o[1] = 1;
+ if (d->OutputSelect) { // assign to output
+ int wm = d->OutputWriteMask;
+ for (p1 = 0; p1 < 4; p1++) {
+ if (wm & 8)
+ output->attribute[d->OutputIndex].fv[p1] = tmpv[p1];
+ wm = wm << 1;
+ }
+ // remeber, output position == r12
+ if (d->OutputIndex == 0)
+ for (p1 = 0; p1 < 4; p1++) {
+ r_temp[12].fv[p1] = output->attribute[d->OutputIndex].fv[p1];
+ }
+ }
+ else { // assign to constant
+ int wm = d->OutputWriteMask;
+ for (p1 = 0; p1 < 4; p1++) {
+ if (wm & 8)
+ c_constant[d->OutputIndex].fv[p1] = tmpv[p1];
+ wm = wm << 1;
+ }
+ }
+ }
+ }
+ }
+ if (d->ScaOperation > 0) {
+ if (d->ScaTempWriteMask != 0) { // assign to Rn
+ //o[3] = 1;
+ if (d->VecOperation > 0)
+ p2 = 1;
+ else
+ p2 = d->VecTempIndex;
+ int wm = d->ScaTempWriteMask;
+ for (p1 = 0; p1 < 4; p1++) {
+ if (wm & 8)
+ r_temp[p2].fv[p1] = tmps[p1];
+ wm = wm << 1;
+ }
+ }
+ if ((d->OutputWriteMask != 0) && (d->MultiplexerControl != 0)) { // assign to output
+ //o[2] = 1;
+ int wm = d->OutputWriteMask;
+ for (p1 = 0; p1 < 4; p1++) {
+ if (wm & 8)
+ output->attribute[d->OutputIndex].fv[p1] = tmps[p1];
+ wm = wm << 1;
+ }
+ // remeber, output position == r12
+ if (d->OutputIndex == 0) {
+ for (p1 = 0; p1 < 4; p1++) {
+ r_temp[12].fv[p1] = output->attribute[d->OutputIndex].fv[p1];
+ }
+ }
+ }
+ }
+ return d->EndOfProgram;
+}
+
+void vertex_program_simulator::execute()
+{
+ int c;
+
+ c = 0;
+ do {
+ c = step();
+ ip++;
+ } while (c == 0);
+}
+
+void vertex_program_simulator::jump(int address)
+{
+ ip = address;
+}
+
+void vertex_program_simulator::process(int address, vertex_nv *in, vertex_nv *out, int count)
+{
+#if 0 // useful while debugging to see what is being executed
+ static int debugvps = 0;
+ if (debugvps) {
+ char *pp;
+ vertex_program_disassembler vdis;
+ char disbuffer[128];
+
+ jump(address);
+ debugvps--;
+ for (int t = 0; t < 128; t++) {
+ pp = disbuffer;
+ while (vdis.disassemble(op[ip + t].i, pp) != 0) {
+ pp = pp + strlen(pp);
+ *pp = '\n';
+ pp++;
+ *pp = 0;
+ }
+ printf("%08X %08X %08X %s", op[ip + t].i[1], op[ip + t].i[2], op[ip + t].i[3], disbuffer);
+ if (op[ip + t].i[3] & 1)
+ break;
+ }
+ }
+#endif
+ set_data(in, out);
+ while (count > 0) {
+ reset();
+ jump(address);
+ execute();
+ input++;
+ output++;
+ count--;
+ }
+}
+
+int vertex_program_simulator::status()
+{
+ return ip;
+}
+
+void vertex_program_simulator::initialize_outputs()
+{
+ for (int n = 0; n < 16; n++) {
+ output->attribute[n].fv[0] = output->attribute[n].fv[1] = output->attribute[n].fv[2] = 0;
+ output->attribute[n].fv[3] = 1;
+ }
+}
+
+void vertex_program_simulator::initialize_temps()
+{
+ for (int n = 0; n < 32; n++) {
+ for (int m = 0; m < 4; m++)
+ r_temp[n].fv[m] = 0;
+ }
+}
+
+void vertex_program_simulator::initialize_constants()
+{
+ for (int n = 0; n < 192; n++) {
+ for (int m = 0; m < 4;m++)
+ c_constant[n].fv[m] = 0;
+ }
+}
+
+void vertex_program_simulator::generate_input(float t[4], int sign, int type, int temp, int swizzle[4])
+{
+ float sgn = 1;
+
+ if (sign)
+ sgn = -1;
+ if (type == 1) {
+ t[0] = sgn*r_temp[temp].fv[swizzle[0]];
+ t[1] = sgn*r_temp[temp].fv[swizzle[1]];
+ t[2] = sgn*r_temp[temp].fv[swizzle[2]];
+ t[3] = sgn*r_temp[temp].fv[swizzle[3]];
+ }
+ else if (type == 2) {
+ int InputIndex = op[ip].d.InputIndex;
+ t[0] = sgn*input->attribute[InputIndex].fv[swizzle[0]];
+ t[1] = sgn*input->attribute[InputIndex].fv[swizzle[1]];
+ t[2] = sgn*input->attribute[InputIndex].fv[swizzle[2]];
+ t[3] = sgn*input->attribute[InputIndex].fv[swizzle[3]];
+ }
+ else if (type == 3) {
+ int SourceConstantIndex = op[ip].d.SourceConstantIndex;
+ if (op[ip].d.Usea0x)
+ SourceConstantIndex = SourceConstantIndex + a0x;
+ t[0] = sgn*c_constant[SourceConstantIndex].fv[swizzle[0]];
+ t[1] = sgn*c_constant[SourceConstantIndex].fv[swizzle[1]];
+ t[2] = sgn*c_constant[SourceConstantIndex].fv[swizzle[2]];
+ t[3] = sgn*c_constant[SourceConstantIndex].fv[swizzle[3]];
+ }
+}
+
+void vertex_program_simulator::compute_vectorial_operation(float t_out[4], int instruction, float par_in[3 * 4])
+{
+ const int p1_A = 0;
+ const int p2_B = 4;
+ const int p3_C = 8;
+
+ // t_out <= instruction(par_in)
+ switch (instruction) {
+ case 0: // "NOP"
+ break;
+ case 1: // "MOV"
+ t_out[0] = par_in[p1_A + 0];
+ t_out[1] = par_in[p1_A + 1];
+ t_out[2] = par_in[p1_A + 2];
+ t_out[3] = par_in[p1_A + 3];
+ break;
+ case 2: // "MUL"
+ t_out[0] = par_in[p1_A + 0] * par_in[p2_B + 0];
+ t_out[1] = par_in[p1_A + 1] * par_in[p2_B + 1];
+ t_out[2] = par_in[p1_A + 2] * par_in[p2_B + 2];
+ t_out[3] = par_in[p1_A + 3] * par_in[p2_B + 3];
+ break;
+ case 3: // "ADD"
+ t_out[0] = par_in[p1_A + 0] + par_in[p3_C + 0];
+ t_out[1] = par_in[p1_A + 1] + par_in[p3_C + 1];
+ t_out[2] = par_in[p1_A + 2] + par_in[p3_C + 2];
+ t_out[3] = par_in[p1_A + 3] + par_in[p3_C + 3];
+ break;
+ case 4: // "MAD"
+ t_out[0] = par_in[p1_A + 0] * par_in[p2_B + 0] + par_in[p3_C + 0];
+ t_out[1] = par_in[p1_A + 1] * par_in[p2_B + 1] + par_in[p3_C + 1];
+ t_out[2] = par_in[p1_A + 2] * par_in[p2_B + 2] + par_in[p3_C + 2];
+ t_out[3] = par_in[p1_A + 3] * par_in[p2_B + 3] + par_in[p3_C + 3];
+ break;
+ case 5: // "DP3"
+ t_out[0] = par_in[p1_A + 0] * par_in[p2_B + 0] + par_in[p1_A + 1] * par_in[p2_B + 1] + par_in[p1_A + 2] * par_in[p2_B + 2];
+ t_out[1] = t_out[2] = t_out[3] = t_out[0];
+ break;
+ case 6: // "DPH"
+ t_out[0] = par_in[p1_A + 0] * par_in[p2_B + 0] + par_in[p1_A + 1] * par_in[p2_B + 1] + par_in[p1_A + 2] * par_in[p2_B + 2] + par_in[p2_B + 3];
+ t_out[1] = t_out[2] = t_out[3] = t_out[0];
+ break;
+ case 7: // "DP4"
+ t_out[0] = par_in[p1_A + 0] * par_in[p2_B + 0] + par_in[p1_A + 1] * par_in[p2_B + 1] + par_in[p1_A + 2] * par_in[p2_B + 2] + par_in[p1_A + 3] * par_in[p2_B + 3];
+ t_out[1] = t_out[2] = t_out[3] = t_out[0];
+ break;
+ case 8: // "DST"
+ t_out[0] = 1.0;
+ t_out[1] = par_in[p1_A + 1] * par_in[p2_B + 1];
+ t_out[2] = par_in[p1_A + 2];
+ t_out[3] = par_in[p2_B + 3];
+ break;
+ case 9: // "MIN"
+ t_out[0] = fmin(par_in[p1_A + 0], par_in[p2_B + 0]);
+ t_out[1] = fmin(par_in[p1_A + 1], par_in[p2_B + 1]);
+ t_out[2] = fmin(par_in[p1_A + 2], par_in[p2_B + 2]);
+ t_out[3] = fmin(par_in[p1_A + 3], par_in[p2_B + 3]);
+ break;
+ case 10: // "MAX"
+ t_out[0] = fmax(par_in[p1_A + 0], par_in[p2_B + 0]);
+ t_out[1] = fmax(par_in[p1_A + 1], par_in[p2_B + 1]);
+ t_out[2] = fmax(par_in[p1_A + 2], par_in[p2_B + 2]);
+ t_out[3] = fmax(par_in[p1_A + 3], par_in[p2_B + 3]);
+ break;
+ case 11: // "SLT"
+ t_out[0] = (par_in[p1_A + 0] < par_in[p2_B + 0]) ? 1.0 : 0;
+ t_out[1] = (par_in[p1_A + 1] < par_in[p2_B + 1]) ? 1.0 : 0;
+ t_out[2] = (par_in[p1_A + 2] < par_in[p2_B + 2]) ? 1.0 : 0;
+ t_out[3] = (par_in[p1_A + 3] < par_in[p2_B + 3]) ? 1.0 : 0;
+ break;
+ case 12: // "SGE"
+ t_out[0] = (par_in[p1_A + 0] >= par_in[p2_B + 0]) ? 1.0 : 0;
+ t_out[1] = (par_in[p1_A + 1] >= par_in[p2_B + 1]) ? 1.0 : 0;
+ t_out[2] = (par_in[p1_A + 2] >= par_in[p2_B + 2]) ? 1.0 : 0;
+ t_out[3] = (par_in[p1_A + 3] >= par_in[p2_B + 3]) ? 1.0 : 0;
+ break;
+ case 13: // "ARL"
+ t_out[0] = par_in[p1_A + 0];
+ }
+}
+
+void vertex_program_simulator::compute_scalar_operation(float t_out[4], int instruction, float par_in[3 * 4])
+{
+ //const int p1_A = 0;
+ //const int p2_B = 4;
+ const int p3_C = 8;
+ union {
+ float f;
+ unsigned int i;
+ } t;
+ int e;
+
+ // t_out <= instruction(par_in)
+ switch (instruction) {
+ case 0: // "NOP"
+ break;
+ case 1: // "IMV"
+ t_out[0] = par_in[p3_C + 0];
+ t_out[1] = par_in[p3_C + 1];
+ t_out[2] = par_in[p3_C + 2];
+ t_out[3] = par_in[p3_C + 3];
+ break;
+ case 2: // "RCP"
+ t_out[0] = t_out[1] = t_out[2] = t_out[3] = 1.0 / par_in[p3_C + 0];
+ break;
+ case 3: // "RCC"
+ t_out[0] = t_out[1] = t_out[2] = t_out[3] = 1.0 / par_in[p3_C + 0]; // ?
+ break;
+ case 4: // "RSQ"
+ t_out[0] = t_out[1] = t_out[2] = t_out[3] = 1.0 / sqrt(abs(par_in[p3_C + 0]));
+ break;
+ case 5: // "EXP"
+ t_out[0] = pow(2, floor(par_in[p3_C + 0]));
+ t_out[1] = par_in[p3_C + 0] - floor(par_in[p3_C + 0]);
+ t.f = pow(2, par_in[p3_C + 0]);
+ t.i = t.i & 0xffffff00;
+ t_out[2] = t.f;
+ t_out[3] = 1.0;
+ break;
+ case 6: // "LOG"
+ t_out[1] = frexp(par_in[p3_C + 0], &e)*2.0; // frexp gives mantissa as 0.5....1
+ t_out[0] = e - 1;
+ t.f = log2(abs(par_in[p3_C + 0]));
+ t.i = t.i & 0xffffff00;
+ t_out[2] = t.f;
+ t_out[3] = 1.0;
+ break;
+ case 7: // "LIT"
+ t_out[0] = 1.0;
+ t_out[1] = fmax(0, fmin(par_in[p3_C + 0], 1.0f));
+ t_out[2] = par_in[p3_C + 0] > 0 ? pow(fmax(par_in[p3_C + 1], 0), par_in[p3_C + 3]) : 0;
+ t_out[3] = 1.0;
+ break;
+ }
+}
+
+/*
+ * Graphics
+ */
+
+UINT32 nv2a_renderer::dilate0(UINT32 value, int bits) // dilate first "bits" bits in "value"
+{
+ UINT32 x, m1, m2, m3;
+ int a;
+
+ x = value;
+ for (a = 0; a < bits; a++)
+ {
+ m2 = 1 << (a << 1);
+ m1 = m2 - 1;
+ m3 = (~m1) << 1;
+ x = (x & m1) + (x & m2) + ((x & m3) << 1);
+ }
+ return x;
+}
+
+UINT32 nv2a_renderer::dilate1(UINT32 value, int bits) // dilate first "bits" bits in "value"
+{
+ UINT32 x, m1, m2, m3;
+ int a;
+
+ x = value;
+ for (a = 0; a < bits; a++)
+ {
+ m2 = 1 << (a << 1);
+ m1 = m2 - 1;
+ m3 = (~m1) << 1;
+ x = (x & m1) + ((x & m2) << 1) + ((x & m3) << 1);
+ }
+ return x;
+}
+
+void nv2a_renderer::computedilated(void)
+{
+ int a, b;
+
+ for (b = 0; b < 16; b++)
+ for (a = 0; a < 2048; a++) {
+ dilated0[b][a] = dilate0(a, b);
+ dilated1[b][a] = dilate1(a, b);
+ }
+ for (b = 0; b < 16; b++)
+ for (a = 0; a < 16; a++)
+ dilatechose[(b << 4) + a] = (a < b ? a : b);
+}
+
+int nv2a_renderer::geforce_commandkind(UINT32 word)
+{
+ if ((word & 0x00000003) == 0x00000002)
+ return 7; // call
+ if ((word & 0x00000003) == 0x00000001)
+ return 6; // jump
+ if ((word & 0xE0030003) == 0x40000000)
+ return 5; // non increasing
+ if ((word & 0xE0000003) == 0x20000000)
+ return 4; // old jump
+ if ((word & 0xFFFF0003) == 0x00030000)
+ return 3; // long non icreasing
+ if ((word & 0xFFFFFFFF) == 0x00020000)
+ return 2; // return
+ if ((word & 0xFFFF0003) == 0x00010000)
+ return 1; // sli conditional
+ if ((word & 0xE0030003) == 0x00000000)
+ return 0; // increasing
+ return -1;
+}
+
+UINT32 nv2a_renderer::geforce_object_offset(UINT32 handle)
+{
+ UINT32 h = ((((handle >> 11) ^ handle) >> 11) ^ handle) & 0x7ff;
+ UINT32 o = (pfifo[0x210 / 4] & 0x1f) << 8; // or 12 ?
+ UINT32 e = o + h * 8; // at 0xfd000000+0x00700000
+ UINT32 w;
+
+ if (ramin[e / 4] != handle)
+ e = 0;
+ w = ramin[e / 4 + 1];
+ return (w & 0xffff) * 0x10;
+}
+
+void nv2a_renderer::geforce_read_dma_object(UINT32 handle, UINT32 &offset, UINT32 &size)
+{
+ //UINT32 objclass,pt_present,pt_linear,access,target,rorw;
+ UINT32 dma_adjust, dma_frame;
+ UINT32 o = geforce_object_offset(handle);
+
+ o = o / 4;
+ //objclass=ramin[o] & 0xfff;
+ //pt_present=(ramin[o] >> 12) & 1;
+ //pt_linear=(ramin[o] >> 13) & 1;
+ //access=(ramin[o] >> 14) & 3;
+ //target=(ramin[o] >> 16) & 3;
+ dma_adjust = (ramin[o] >> 20) & 0xfff;
+ size = ramin[o + 1];
+ //rorw=ramin[o+2] & 1;
+ dma_frame = ramin[o + 2] & 0xfffff000;
+ offset = dma_frame + dma_adjust;
+}
+
+/*void myline(bitmap_rgb32 &bmp,float x1,float y1,float x2,float y2)
+{
+int xx1,yy1,xx2,yy2;
+
+ xx1=x1;
+ xx2=x2;
+ yy1=y1;
+ yy2=y2;
+ if (xx1 == xx2) {
+ if (yy1 > yy2) {
+ int t=yy1;
+ yy1=yy2;
+ yy2=t;
+ }
+ for (int y=yy1;y <= yy2;y++)
+ *((UINT32 *)bmp.raw_pixptr(y,xx1))= -1;
+ } else if (yy1 == yy2) {
+ if (xx1 > xx2) {
+ int t=xx1;
+ xx1=xx2;
+ xx2=t;
+ }
+ for (int x=xx1;x <= xx2;x++)
+ *((UINT32 *)bmp.raw_pixptr(yy1,x))= -1;
+ }
+}*/
+
+inline UINT32 convert_a4r4g4b4_a8r8g8b8(UINT32 a4r4g4b4)
+{
+ UINT32 a8r8g8b8;
+ int ca, cr, cg, cb;
+
+ cb = pal4bit(a4r4g4b4 & 0x000f);
+ cg = pal4bit((a4r4g4b4 & 0x00f0) >> 4);
+ cr = pal4bit((a4r4g4b4 & 0x0f00) >> 8);
+ ca = pal4bit((a4r4g4b4 & 0xf000) >> 12);
+ a8r8g8b8 = (ca << 24) | (cr << 16) | (cg << 8) | (cb); // color converted to 8 bits per component
+ return a8r8g8b8;
+}
+
+inline UINT32 convert_a1r5g5b5_a8r8g8b8(UINT32 a1r5g5b5)
+{
+ UINT32 a8r8g8b8;
+ int ca, cr, cg, cb;
+
+ cb = pal5bit(a1r5g5b5 & 0x001f);
+ cg = pal5bit((a1r5g5b5 & 0x03e0) >> 5);
+ cr = pal5bit((a1r5g5b5 & 0x7c00) >> 10);
+ ca = a1r5g5b5 & 0x8000 ? 0xff : 0;
+ a8r8g8b8 = (ca << 24) | (cr << 16) | (cg << 8) | (cb); // color converted to 8 bits per component
+ return a8r8g8b8;
+}
+
+inline UINT32 convert_r5g6b5_r8g8b8(UINT32 r5g6b5)
+{
+ UINT32 r8g8b8;
+ int cr, cg, cb;
+
+ cb = pal5bit(r5g6b5 & 0x001f);
+ cg = pal6bit((r5g6b5 & 0x07e0) >> 5);
+ cr = pal5bit((r5g6b5 & 0xf800) >> 11);
+ r8g8b8 = (cr << 16) | (cg << 8) | (cb); // color converted to 8 bits per component
+ return r8g8b8;
+}
+
+UINT32 nv2a_renderer::texture_get_texel(int number, int x, int y)
+{
+ UINT32 to, s, c, sa, ca;
+ UINT32 a4r4g4b4, a1r5g5b5, r5g6b5;
+ int bx, by;
+ int color0, color1, color0m2, color1m2, alpha0, alpha1;
+ UINT32 codes;
+ UINT64 alphas;
+ int cr, cg, cb;
+
+ // force to [0,size-1]
+ x = (unsigned int)x & (texture[number].sizeu - 1);
+ y = (unsigned int)y & (texture[number].sizev - 1);
+ switch (texture[number].format) {
+ case A8R8G8B8:
+ to = dilated0[texture[number].dilate][x] + dilated1[texture[number].dilate][y]; // offset of texel in texture memory
+ return *(((UINT32 *)texture[number].buffer) + to); // get texel color
+ case DXT1:
+ bx = x >> 2;
+ by = y >> 2;
+ x = x & 3;
+ y = y & 3;
+ to = bx + by*(texture[number].sizeu >> 2);
+ color0 = *((UINT16 *)(((UINT64 *)texture[number].buffer) + to) + 0);
+ color1 = *((UINT16 *)(((UINT64 *)texture[number].buffer) + to) + 1);
+ codes = *((UINT32 *)(((UINT64 *)texture[number].buffer) + to) + 1);
+ s = (y << 3) + (x << 1);
+ c = (codes >> s) & 3;
+ c = c + (color0 > color1 ? 0 : 4);
+ color0m2 = color0 << 1;
+ color1m2 = color1 << 1;
+ switch (c) {
+ case 0:
+ return 0xff000000 + convert_r5g6b5_r8g8b8(color0);
+ case 1:
+ return 0xff000000 + convert_r5g6b5_r8g8b8(color1);
+ case 2:
+ cb = pal5bit(((color0m2 & 0x003e) + (color1 & 0x001f)) / 3);
+ cg = pal6bit(((color0m2 & 0x0fc0) + (color1 & 0x07e0)) / 3 >> 5);
+ cr = pal5bit(((color0m2 & 0x1f000) + color1) / 3 >> 11);
+ return 0xff000000 | (cr << 16) | (cg << 8) | (cb);
+ case 3:
+ cb = pal5bit(((color1m2 & 0x003e) + (color0 & 0x001f)) / 3);
+ cg = pal6bit(((color1m2 & 0x0fc0) + (color0 & 0x07e0)) / 3 >> 5);
+ cr = pal5bit(((color1m2 & 0x1f000) + color0) / 3 >> 11);
+ return 0xff000000 | (cr << 16) | (cg << 8) | (cb);
+ case 4:
+ return 0xff000000 + convert_r5g6b5_r8g8b8(color0);
+ case 5:
+ return 0xff000000 + convert_r5g6b5_r8g8b8(color1);
+ case 6:
+ cb = pal5bit(((color0 & 0x001f) + (color1 & 0x001f)) / 2);
+ cg = pal6bit(((color0 & 0x07e0) + (color1 & 0x07e0)) / 2 >> 5);
+ cr = pal5bit(((color0 & 0xf800) + (color1 & 0xf800)) / 2 >> 11);
+ return 0xff000000 | (cr << 16) | (cg << 8) | (cb);
+ default:
+ return 0xff000000;
+ }
+ case DXT3:
+ bx = x >> 2;
+ by = y >> 2;
+ x = x & 3;
+ y = y & 3;
+ to = (bx + by*(texture[number].sizeu >> 2)) << 1;
+ color0 = *((UINT16 *)(((UINT64 *)texture[number].buffer) + to) + 4);
+ color1 = *((UINT16 *)(((UINT64 *)texture[number].buffer) + to) + 5);
+ codes = *((UINT32 *)(((UINT64 *)texture[number].buffer) + to) + 3);
+ alphas = *(((UINT64 *)texture[number].buffer) + to);
+ s = (y << 3) + (x << 1);
+ sa = ((y << 2) + x) << 2;
+ c = (codes >> s) & 3;
+ ca = (alphas >> sa) & 15;
+ switch (c) {
+ case 0:
+ return ((ca + (ca << 4)) << 24) + convert_r5g6b5_r8g8b8(color0);
+ case 1:
+ return ((ca + (ca << 4)) << 24) + convert_r5g6b5_r8g8b8(color1);
+ case 2:
+ cb = pal5bit((2 * (color0 & 0x001f) + (color1 & 0x001f)) / 3);
+ cg = pal6bit((2 * (color0 & 0x07e0) + (color1 & 0x07e0)) / 3 >> 5);
+ cr = pal5bit((2 * (color0 & 0xf800) + (color1 & 0xf800)) / 3 >> 11);
+ return ((ca + (ca << 4)) << 24) | (cr << 16) | (cg << 8) | (cb);
+ default:
+ cb = pal5bit(((color0 & 0x001f) + 2 * (color1 & 0x001f)) / 3);
+ cg = pal6bit(((color0 & 0x07e0) + 2 * (color1 & 0x07e0)) / 3 >> 5);
+ cr = pal5bit(((color0 & 0xf800) + 2 * (color1 & 0xf800)) / 3 >> 11);
+ return ((ca + (ca << 4)) << 24) | (cr << 16) | (cg << 8) | (cb);
+ }
+ case A4R4G4B4:
+ to = dilated0[texture[number].dilate][x] + dilated1[texture[number].dilate][y]; // offset of texel in texture memory
+ a4r4g4b4 = *(((UINT16 *)texture[number].buffer) + to); // get texel color
+ return convert_a4r4g4b4_a8r8g8b8(a4r4g4b4);
+ case A1R5G5B5:
+ to = dilated0[texture[number].dilate][x] + dilated1[texture[number].dilate][y]; // offset of texel in texture memory
+ a1r5g5b5 = *(((UINT16 *)texture[number].buffer) + to); // get texel color
+ return convert_a1r5g5b5_a8r8g8b8(a1r5g5b5);
+ case R5G6B5:
+ to = dilated0[texture[number].dilate][x] + dilated1[texture[number].dilate][y]; // offset of texel in texture memory
+ r5g6b5 = *(((UINT16 *)texture[number].buffer) + to); // get texel color
+ return 0xff000000 + convert_r5g6b5_r8g8b8(r5g6b5);
+ case R8G8B8_RECT:
+ to = texture[number].rectangle_pitch*y + (x << 2);
+ return *((UINT32 *)(((UINT8 *)texture[number].buffer) + to));
+ case A8R8G8B8_RECT:
+ to = texture[number].rectangle_pitch*y + (x << 2);
+ return *((UINT32 *)(((UINT8 *)texture[number].buffer) + to));
+ case DXT5:
+ bx = x >> 2;
+ by = y >> 2;
+ x = x & 3;
+ y = y & 3;
+ to = (bx + by*(texture[number].sizeu >> 2)) << 1;
+ color0 = *((UINT16 *)(((UINT64 *)texture[number].buffer) + to) + 4);
+ color1 = *((UINT16 *)(((UINT64 *)texture[number].buffer) + to) + 5);
+ codes = *((UINT32 *)(((UINT64 *)texture[number].buffer) + to) + 3);
+ alpha0 = *((UINT8 *)(((UINT64 *)texture[number].buffer) + to) + 0);
+ alpha1 = *((UINT8 *)(((UINT64 *)texture[number].buffer) + to) + 1);
+ alphas = *(((UINT64 *)texture[number].buffer) + to);
+ s = (y << 3) + (x << 1);
+ sa = ((y << 2) + x) * 3;
+ c = (codes >> s) & 3;
+ ca = (alphas >> sa) & 7;
+ ca = ca + (alpha0 > alpha1 ? 0 : 8);
+ switch (ca) {
+ case 0:
+ ca = alpha0;
+ break;
+ case 1:
+ ca = alpha1;
+ break;
+ case 2:
+ ca = (6 * alpha0 + 1 * alpha1) / 7;
+ break;
+ case 3:
+ ca = (5 * alpha0 + 2 * alpha1) / 7;
+ break;
+ case 4:
+ ca = (4 * alpha0 + 3 * alpha1) / 7;
+ break;
+ case 5:
+ ca = (3 * alpha0 + 4 * alpha1) / 7;
+ break;
+ case 6:
+ ca = (2 * alpha0 + 5 * alpha1) / 7;
+ break;
+ case 7:
+ ca = (1 * alpha0 + 6 * alpha1) / 7;
+ break;
+ case 8:
+ ca = alpha0;
+ break;
+ case 9:
+ ca = alpha1;
+ break;
+ case 10:
+ ca = (4 * alpha0 + 1 * alpha1) / 5;
+ break;
+ case 11:
+ ca = (3 * alpha0 + 2 * alpha1) / 5;
+ break;
+ case 12:
+ ca = (2 * alpha0 + 3 * alpha1) / 5;
+ break;
+ case 13:
+ ca = (1 * alpha0 + 4 * alpha1) / 5;
+ break;
+ case 14:
+ ca = 0;
+ break;
+ case 15:
+ ca = 255;
+ break;
+ }
+ switch (c) {
+ case 0:
+ return (ca << 24) + convert_r5g6b5_r8g8b8(color0);
+ case 1:
+ return (ca << 24) + convert_r5g6b5_r8g8b8(color1);
+ case 2:
+ cb = pal5bit((2 * (color0 & 0x001f) + (color1 & 0x001f)) / 3);
+ cg = pal6bit((2 * (color0 & 0x07e0) + (color1 & 0x07e0)) / 3 >> 5);
+ cr = pal5bit((2 * (color0 & 0xf800) + (color1 & 0xf800)) / 3 >> 11);
+ return (ca << 24) | (cr << 16) | (cg << 8) | (cb);
+ default:
+ cb = pal5bit(((color0 & 0x001f) + 2 * (color1 & 0x001f)) / 3);
+ cg = pal6bit(((color0 & 0x07e0) + 2 * (color1 & 0x07e0)) / 3 >> 5);
+ cr = pal5bit(((color0 & 0xf800) + 2 * (color1 & 0xf800)) / 3 >> 11);
+ return (ca << 24) | (cr << 16) | (cg << 8) | (cb);
+ }
+ default:
+ return 0xff00ff00;
+ }
+}
+
+void nv2a_renderer::write_pixel(int x, int y, UINT32 color)
+{
+ void *addr;
+ UINT32 fbcolor;
+ UINT32 c[4], fb[4], s[4], d[4], cc[4];
+
+ addr = this->fb.raw_pixptr(y, x);
+ fbcolor = *((UINT32 *)addr);
+ c[3] = color >> 24;
+ c[2] = (color >> 16) & 255;
+ c[1] = (color >> 8) & 255;
+ c[0] = color & 255;
+ fb[3] = fbcolor >> 24;
+ fb[2] = (fbcolor >> 16) & 255;
+ fb[1] = (fbcolor >> 8) & 255;
+ fb[0] = fbcolor & 255;
+ cc[3] = blend_color >> 24;
+ cc[2] = (blend_color >> 16) & 255;
+ cc[1] = (blend_color >> 8) & 255;
+ cc[0] = blend_color & 255;
+ // ownership test and scissor test not done
+ // alpha test
+ if (alpha_test_enabled) {
+ switch (alpha_func) {
+ case nv2a_renderer::NEVER:
+ return;
+ case nv2a_renderer::ALWAYS:
+ default:
+ break;
+ case nv2a_renderer::LESS:
+ if (c[3] >= alpha_reference)
+ return;
+ break;
+ case nv2a_renderer::LEQUAL:
+ if (c[3] > alpha_reference)
+ return;
+ break;
+ case nv2a_renderer::EQUAL:
+ if (c[3] != alpha_reference)
+ return;
+ break;
+ case nv2a_renderer::GEQUAL:
+ if (c[3] < alpha_reference)
+ return;
+ break;
+ case nv2a_renderer::GREATER:
+ if (c[3] <= alpha_reference)
+ return;
+ break;
+ case nv2a_renderer::NOTEQUAL:
+ if (c[3] == alpha_reference)
+ return;
+ break;
+ }
+ }
+ // stencil test not done
+ // depth buffer test not done
+ // blending
+ if (blending_enabled) {
+ switch (blend_function_source) {
+ case nv2a_renderer::ZERO:
+ s[3] = s[2] = s[1] = s[0] = 0;
+ break;
+ case nv2a_renderer::ONE:
+ default:
+ s[3] = s[2] = s[1] = s[0] = 255;
+ break;
+ case nv2a_renderer::DST_COLOR:
+ s[3] = fb[3];
+ s[2] = fb[2];
+ s[1] = fb[1];
+ s[0] = fb[0];
+ break;
+ case nv2a_renderer::ONE_MINUS_DST_COLOR:
+ s[3] = fb[3] ^ 255;
+ s[2] = fb[2] ^ 255;
+ s[1] = fb[1] ^ 255;
+ s[0] = fb[0] ^ 255;
+ break;
+ case nv2a_renderer::SRC_ALPHA:
+ s[3] = s[2] = s[1] = s[0] = c[3];
+ break;
+ case nv2a_renderer::ONE_MINUS_SRC_ALPHA:
+ s[3] = s[2] = s[1] = s[0] = c[3] ^ 255;
+ break;
+ case nv2a_renderer::DST_ALPHA:
+ s[3] = s[2] = s[1] = s[0] = fb[3];
+ break;
+ case nv2a_renderer::ONE_MINUS_DST_ALPHA:
+ s[3] = s[2] = s[1] = s[0] = fb[3] ^ 255;
+ break;
+ case nv2a_renderer::CONSTANT_COLOR:
+ s[3] = cc[3];
+ s[2] = cc[2];
+ s[1] = cc[1];
+ s[0] = cc[0];
+ break;
+ case nv2a_renderer::ONE_MINUS_CONSTANT_COLOR:
+ s[3] = cc[3] ^ 255;
+ s[2] = cc[2] ^ 255;
+ s[1] = cc[1] ^ 255;
+ s[0] = cc[0] ^ 255;
+ break;
+ case nv2a_renderer::CONSTANT_ALPHA:
+ s[3] = s[2] = s[1] = s[0] = cc[3];
+ break;
+ case nv2a_renderer::ONE_MINUS_CONSTANT_ALPHA:
+ s[3] = s[2] = s[1] = s[0] = cc[3] ^ 255;
+ break;
+ case nv2a_renderer::SRC_ALPHA_SATURATE:
+ s[3] = 255;
+ if (c[3] < (fb[3] ^ 255))
+ s[2] = c[3];
+ else
+ s[2] = fb[3];
+ s[1] = s[0] = s[2];
+ break;
+ }
+ switch (blend_function_destination) {
+ case nv2a_renderer::ZERO:
+ default:
+ d[3] = d[2] = d[1] = d[0] = 0;
+ break;
+ case nv2a_renderer::ONE:
+ d[3] = d[2] = d[1] = d[0] = 255;
+ break;
+ case nv2a_renderer::SRC_COLOR:
+ d[3] = c[3];
+ d[2] = c[2];
+ d[1] = c[1];
+ d[0] = c[0];
+ break;
+ case nv2a_renderer::ONE_MINUS_SRC_COLOR:
+ d[3] = c[3] ^ 255;
+ d[2] = c[2] ^ 255;
+ d[1] = c[1] ^ 255;
+ d[0] = c[0] ^ 255;
+ break;
+ case nv2a_renderer::SRC_ALPHA:
+ d[3] = d[2] = d[1] = d[0] = c[3];
+ break;
+ case nv2a_renderer::ONE_MINUS_SRC_ALPHA:
+ d[3] = d[2] = d[1] = d[0] = c[3] ^ 255;
+ break;
+ case nv2a_renderer::DST_ALPHA:
+ d[3] = d[2] = d[1] = d[0] = fb[3];
+ break;
+ case nv2a_renderer::ONE_MINUS_DST_ALPHA:
+ d[3] = d[2] = d[1] = d[0] = fb[3] ^ 255;
+ break;
+ case nv2a_renderer::CONSTANT_COLOR:
+ d[3] = cc[3];
+ d[2] = cc[2];
+ d[1] = cc[1];
+ d[0] = cc[0];
+ break;
+ case nv2a_renderer::ONE_MINUS_CONSTANT_COLOR:
+ d[3] = cc[3] ^ 255;
+ d[2] = cc[2] ^ 255;
+ d[1] = cc[1] ^ 255;
+ d[0] = cc[0] ^ 255;
+ break;
+ case nv2a_renderer::CONSTANT_ALPHA:
+ d[3] = d[2] = d[1] = d[0] = cc[3];
+ break;
+ case nv2a_renderer::ONE_MINUS_CONSTANT_ALPHA:
+ d[3] = d[2] = d[1] = d[0] = cc[3] ^ 255;
+ break;
+ }
+ switch (blend_equation) {
+ case nv2a_renderer::FUNC_ADD:
+ c[3] = (c[3] * s[3] + fb[3] * d[3]) / 255;
+ if (c[3] > 255)
+ c[3] = 255;
+ c[2] = (c[2] * s[2] + fb[2] * d[2]) / 255;
+ if (c[2] > 255)
+ c[2] = 255;
+ c[1] = (c[1] * s[1] + fb[1] * d[1]) / 255;
+ if (c[1] > 255)
+ c[1] = 255;
+ c[0] = (c[0] * s[0] + fb[0] * d[0]) / 255;
+ if (c[0] > 255)
+ c[0] = 255;
+ break;
+ case nv2a_renderer::FUNC_SUBTRACT:
+ c[3] = (c[3] * s[3] - fb[3] * d[3]) / 255;
+ if (c[3] < 0)
+ c[3] = 255;
+ c[2] = (c[2] * s[2] - fb[2] * d[2]) / 255;
+ if (c[2] < 0)
+ c[2] = 255;
+ c[1] = (c[1] * s[1] - fb[1] * d[1]) / 255;
+ if (c[1] < 0)
+ c[1] = 255;
+ c[0] = (c[0] * s[0] - fb[0] * d[0]) / 255;
+ if (c[0] < 0)
+ c[0] = 255;
+ break;
+ case nv2a_renderer::FUNC_REVERSE_SUBTRACT:
+ c[3] = (fb[3] * d[3] - c[3] * s[3]) / 255;
+ if (c[3] < 0)
+ c[3] = 255;
+ c[2] = (fb[2] * d[2] - c[2] * s[2]) / 255;
+ if (c[2] < 0)
+ c[2] = 255;
+ c[1] = (fb[1] * d[1] - c[1] * s[1]) / 255;
+ if (c[1] < 0)
+ c[1] = 255;
+ c[0] = (fb[0] * d[0] - c[0] * s[0]) / 255;
+ if (c[0] < 0)
+ c[0] = 255;
+ break;
+ case nv2a_renderer::MIN:
+ c[3] = s[3];
+ if (d[3] < c[3])
+ c[3] = d[3];
+ c[2] = s[2];
+ if (d[2] < c[2])
+ c[2] = d[2];
+ c[1] = s[1];
+ if (d[1] < c[1])
+ c[1] = d[1];
+ c[0] = s[0];
+ if (d[0] < c[0])
+ c[0] = d[0];
+ break;
+ case nv2a_renderer::MAX:
+ c[3] = s[3];
+ if (d[3] > c[3])
+ c[3] = d[3];
+ c[2] = s[2];
+ if (d[2] > c[2])
+ c[2] = d[2];
+ c[1] = s[1];
+ if (d[1] > c[1])
+ c[1] = d[1];
+ c[0] = s[0];
+ if (d[0] > c[0])
+ c[0] = d[0];
+ break;
+ }
+ }
+ // dithering not done
+ // logical operation
+ if (logical_operation_enabled) {
+ switch (logical_operation) {
+ case nv2a_renderer::CLEAR:
+ c[3] = 0;
+ c[2] = 0;
+ c[1] = 0;
+ c[0] = 0;
+ break;
+ case nv2a_renderer::AND:
+ c[3] = c[3] & fb[3];
+ c[2] = c[2] & fb[2];
+ c[1] = c[1] & fb[1];
+ c[0] = c[0] & fb[0];
+ break;
+ case nv2a_renderer::AND_REVERSE:
+ c[3] = c[3] & (fb[3] ^ 255);
+ c[2] = c[2] & (fb[2] ^ 255);
+ c[1] = c[1] & (fb[1] ^ 255);
+ c[0] = c[0] & (fb[0] ^ 255);
+ break;
+ case nv2a_renderer::COPY:
+ default:
+ break;
+ case nv2a_renderer::AND_INVERTED:
+ c[3] = (c[3] ^ 255) & fb[3];
+ c[2] = (c[2] ^ 255) & fb[2];
+ c[1] = (c[1] ^ 255) & fb[1];
+ c[0] = (c[0] ^ 255) & fb[0];
+ break;
+ case nv2a_renderer::NOOP:
+ c[3] = fb[3];
+ c[2] = fb[2];
+ c[1] = fb[1];
+ c[0] = fb[0];
+ break;
+ case nv2a_renderer::XOR:
+ c[3] = c[3] ^ fb[3];
+ c[2] = c[2] ^ fb[2];
+ c[1] = c[1] ^ fb[1];
+ c[0] = c[0] ^ fb[0];
+ break;
+ case nv2a_renderer::OR:
+ c[3] = c[3] | fb[3];
+ c[2] = c[2] | fb[2];
+ c[1] = c[1] | fb[1];
+ c[0] = c[0] | fb[0];
+ break;
+ case nv2a_renderer::NOR:
+ c[3] = (c[3] | fb[3]) ^ 255;
+ c[2] = (c[2] | fb[2]) ^ 255;
+ c[1] = (c[1] | fb[1]) ^ 255;
+ c[0] = (c[0] | fb[0]) ^ 255;
+ break;
+ case nv2a_renderer::EQUIV:
+ c[3] = (c[3] ^ fb[3]) ^ 255;
+ c[2] = (c[2] ^ fb[2]) ^ 255;
+ c[1] = (c[1] ^ fb[1]) ^ 255;
+ c[0] = (c[0] ^ fb[0]) ^ 255;
+ break;
+ case nv2a_renderer::INVERT:
+ c[3] = fb[3] ^ 255;
+ c[2] = fb[2] ^ 255;
+ c[1] = fb[1] ^ 255;
+ c[0] = fb[0] ^ 255;
+ break;
+ case nv2a_renderer::OR_REVERSE:
+ c[3] = c[3] | (fb[3] ^ 255);
+ c[2] = c[2] | (fb[2] ^ 255);
+ c[1] = c[1] | (fb[1] ^ 255);
+ c[0] = c[0] | (fb[0] ^ 255);
+ break;
+ case nv2a_renderer::COPY_INVERTED:
+ c[3] = c[3] ^ 255;
+ c[2] = c[2] ^ 255;
+ c[1] = c[1] ^ 255;
+ c[0] = c[0] ^ 255;
+ break;
+ case nv2a_renderer::OR_INVERTED:
+ c[3] = (c[3] ^ 255) | fb[3];
+ c[2] = (c[2] ^ 255) | fb[2];
+ c[1] = (c[1] ^ 255) | fb[1];
+ c[0] = (c[0] ^ 255) | fb[0];
+ break;
+ case nv2a_renderer::NAND:
+ c[3] = (c[3] & fb[3]) ^ 255;
+ c[2] = (c[2] & fb[2]) ^ 255;
+ c[1] = (c[1] & fb[1]) ^ 255;
+ c[0] = (c[0] & fb[0]) ^ 255;
+ break;
+ case nv2a_renderer::SET:
+ c[3] = 255;
+ c[2] = 255;
+ c[1] = 255;
+ c[0] = 255;
+ break;
+ }
+ }
+ fbcolor = (c[3] << 24) | (c[2] << 16) | (c[1] << 8) | c[0];
+ *((UINT32 *)addr) = fbcolor;
+}
+
+void nv2a_renderer::render_color(INT32 scanline, const extent_t &extent, const nvidia_object_data &objectdata, int threadid)
+{
+ int x;
+
+ if ((extent.startx < 0) || (extent.stopx > 640))
+ return;
+ x = extent.stopx - extent.startx - 1; // number of pixels to draw
+ while (x >= 0) {
+ UINT32 a8r8g8b8;
+ int ca, cr, cg, cb;
+ int xp = extent.startx + x; // x coordinate of current pixel
+
+ cb = ((extent.param[0].start + (float)x*extent.param[0].dpdx))*255.0;
+ cg = ((extent.param[1].start + (float)x*extent.param[1].dpdx))*255.0;
+ cr = ((extent.param[2].start + (float)x*extent.param[2].dpdx))*255.0;
+ ca = ((extent.param[3].start + (float)x*extent.param[3].dpdx))*255.0;
+ a8r8g8b8 = (ca << 24) + (cr << 16) + (cg << 8) + cb; // pixel color obtained by interpolating the colors of the vertices
+ write_pixel(xp, scanline, a8r8g8b8);
+ x--;
+ }
+}
+
+void nv2a_renderer::render_texture_simple(INT32 scanline, const extent_t &extent, const nvidia_object_data &objectdata, int threadid)
+{
+ int x;
+ UINT32 a8r8g8b8;
+
+ if (!objectdata.data->texture[0].enabled) {
+ return;
+ }
+ if ((extent.startx < 0) || (extent.stopx > 640))
+ return;
+ x = extent.stopx - extent.startx - 1;
+ while (x >= 0) {
+ int up, vp;
+ int xp = extent.startx + x; // x coordinate of current pixel
+
+ up = (extent.param[4].start + (float)x*extent.param[4].dpdx)*(float)(objectdata.data->texture[0].sizeu - 1); // x coordinate of texel in texture
+ vp = extent.param[5].start*(float)(objectdata.data->texture[0].sizev - 1); // y coordinate of texel in texture
+ a8r8g8b8 = texture_get_texel(0, up, vp);
+ write_pixel(xp, scanline, a8r8g8b8);
+ x--;
+ }
+}
+
+void nv2a_renderer::render_register_combiners(INT32 scanline, const extent_t &extent, const nvidia_object_data &objectdata, int threadid)
+{
+ int x, xp;
+ int up, vp;
+ int ca, cr, cg, cb;
+ UINT32 color[6];
+ UINT32 a8r8g8b8;
+ int n;//,m,i,j,k;
+
+ color[0] = color[1] = color[2] = color[3] = color[4] = color[5] = 0;
+
+ if ((extent.startx < 0) || (extent.stopx > 640))
+ return;
+ osd_lock_acquire(combiner.lock); // needed since multithreading is not supported yet
+ x = extent.stopx - extent.startx - 1; // number of pixels to draw
+ while (x >= 0) {
+ xp = extent.startx + x;
+ // 1: fetch data
+ // 1.1: interpolated color from vertices
+ cb = ((extent.param[0].start + (float)x*extent.param[0].dpdx))*255.0;
+ cg = ((extent.param[1].start + (float)x*extent.param[1].dpdx))*255.0;
+ cr = ((extent.param[2].start + (float)x*extent.param[2].dpdx))*255.0;
+ ca = ((extent.param[3].start + (float)x*extent.param[3].dpdx))*255.0;
+ color[0] = (ca << 24) + (cr << 16) + (cg << 8) + cb; // pixel color obtained by interpolating the colors of the vertices
+ color[1] = 0; // lighting not yet
+ // 1.2: color for each of the 4 possible textures
+ for (n = 0; n < 4; n++) {
+ if (texture[n].enabled) {
+ up = (extent.param[4 + n * 2].start + (float)x*extent.param[4 + n * 2].dpdx)*(float)(objectdata.data->texture[n].sizeu - 1);
+ vp = extent.param[5 + n * 2].start*(float)(objectdata.data->texture[n].sizev - 1);
+ color[n + 2] = texture_get_texel(n, up, vp);
+ }
+ }
+ // 2: compute
+ // 2.1: initialize
+ combiner_initialize_registers(color);
+ // 2.2: general cmbiner stages
+ for (n = 0; n < combiner.stages; n++) {
+ // 2.2.1 initialize
+ combiner_initialize_stage(n);
+ // 2.2.2 map inputs
+ combiner_map_input(n);
+ // 2.2.3 compute possible outputs
+ combiner_compute_rgb_outputs(n);
+ combiner_compute_a_outputs(n);
+ // 2.2.4 map outputs to registers
+ combiner_map_output(n);
+ }
+ // 2.3: final cmbiner stage
+ combiner_initialize_final();
+ combiner_map_final_input();
+ combiner_final_output();
+ a8r8g8b8 = combiner_float_argb8(combiner.output);
+ // 3: write pixel
+ write_pixel(xp, scanline, a8r8g8b8);
+ x--;
+ }
+ osd_lock_release(combiner.lock);
+}
+
+#if 0
+const char *rc_mapping_str[] = {
+ "UNSIGNED_IDENTITY",
+ "UNSIGNED_INVERT",
+ "EXPAND_NORMAL",
+ "EXPAND_NEGATE",
+ "HALF_BIAS_NORMAL",
+ "HALF_BIAS_NEGATE",
+ "SIGNED_IDENTITY",
+ "SIGNED_NEGATE"
+};
+
+const char *rc_usage_rgb_str[] = {
+ "RGB",
+ "ALPHA"
+};
+
+const char *rc_usage_alpha_str[] = {
+ "BLUE",
+ "ALPHA"
+};
+
+const char *rc_variable_str[] = {
+ "ZERO",
+ "CONSTANT_COLOR0",
+ "CONSTANT_COLOR1",
+ "FOG",
+ "PRIMARY_COLOR",
+ "SECONDARY_COLOR",
+ "???",
+ "???",
+ "TEXTURE0",
+ "TEXTURE1",
+ "TEXTURE2",
+ "TEXTURE3",
+ "SPARE0",
+ "SPARE1",
+ "SPARE0_PLUS_SECONDARY_COLOR",
+ "E_TIMES_F"
+};
+
+const char *rc_bias_str[] = {
+ "NONE",
+ "BIAS_BY_NEGATIVE_ONE_HALF"
+};
+
+const char *rc_scale_str[] = {
+ "NONE",
+ "SCALE_BY_TWO",
+ "SCALE_BY_FOUR",
+ "SCALE_BY_ONE_HALF"
+};
+
+/* Dump the current setup of the register combiners */
+void dumpcombiners(UINT32 *m)
+{
+ int a, b, n, v;
+
+ n = m[0x1e60 / 4] & 0xf;
+ printf("Combiners active: %d\n\r", n);
+ for (a = 0; a < n; a++) {
+ printf("Combiner %d\n\r", a + 1);
+ printf(" RC_IN_ALPHA %08X\n\r", m[0x0260 / 4 + a]);
+ for (b = 24; b >= 0; b = b - 8) {
+ v = (m[0x0260 / 4 + a] >> b) & 0xf;
+ printf(" %c_INPUT %s\n\r", 'A' + 3 - b / 8, rc_variable_str[v]);
+ v = (m[0x0260 / 4 + a] >> (b + 4)) & 1;
+ printf(" %c_COMPONENT_USAGE %s\n\r", 'A' + 3 - b / 8, rc_usage_alpha_str[v]);
+ v = (m[0x0260 / 4 + a] >> (b + 5)) & 7;
+ printf(" %c_MAPPING %s\n\r", 'A' + 3 - b / 8, rc_mapping_str[v]);
+ }
+ printf(" RC_IN_RGB %08X\n\r", m[0x0ac0 / 4 + a]);
+ for (b = 24; b >= 0; b = b - 8) {
+ v = (m[0x0ac0 / 4 + a] >> b) & 0xf;
+ printf(" %c_INPUT %s\n\r", 'A' + 3 - b / 8, rc_variable_str[v]);
+ v = (m[0x0ac0 / 4 + a] >> (b + 4)) & 1;
+ printf(" %c_COMPONENT_USAGE %s\n\r", 'A' + 3 - b / 8, rc_usage_rgb_str[v]);
+ v = (m[0x0ac0 / 4 + a] >> (b + 5)) & 7;
+ printf(" %c_MAPPING %s\n\r", 'A' + 3 - b / 8, rc_mapping_str[v]);
+ }
+ printf(" RC_OUT_ALPHA %08X\n\r", m[0x0aa0 / 4 + a]);
+ v = m[0x0aa0 / 4 + a] & 0xf;
+ printf(" CD_OUTPUT %s\n\r", rc_variable_str[v]);
+ v = (m[0x0aa0 / 4 + a] >> 4) & 0xf;
+ printf(" AB_OUTPUT %s\n\r", rc_variable_str[v]);
+ v = (m[0x0aa0 / 4 + a] >> 8) & 0xf;
+ printf(" SUM_OUTPUT %s\n\r", rc_variable_str[v]);
+ v = (m[0x0aa0 / 4 + a] >> 12) & 1;
+ printf(" CD_DOT_PRODUCT %d\n\r", v);
+ v = (m[0x0aa0 / 4 + a] >> 13) & 1;
+ printf(" AB_DOT_PRODUCT %d\n\r", v);
+ v = (m[0x0aa0 / 4 + a] >> 14) & 1;
+ printf(" MUX_SUM %d\n\r", v);
+ v = (m[0x0aa0 / 4 + a] >> 15) & 1;
+ printf(" BIAS %s\n\r", rc_bias_str[v]);
+ v = (m[0x0aa0 / 4 + a] >> 16) & 3;
+ printf(" SCALE %s\n\r", rc_scale_str[v]);
+ //v=(m[0x0aa0/4+a] >> 27) & 7;
+ printf(" RC_OUT_RGB %08X\n\r", m[0x1e40 / 4 + a]);
+ v = m[0x1e40 / 4 + a] & 0xf;
+ printf(" CD_OUTPUT %s\n\r", rc_variable_str[v]);
+ v = (m[0x1e40 / 4 + a] >> 4) & 0xf;
+ printf(" AB_OUTPUT %s\n\r", rc_variable_str[v]);
+ v = (m[0x1e40 / 4 + a] >> 8) & 0xf;
+ printf(" SUM_OUTPUT %s\n\r", rc_variable_str[v]);
+ v = (m[0x1e40 / 4 + a] >> 12) & 1;
+ printf(" CD_DOT_PRODUCT %d\n\r", v);
+ v = (m[0x1e40 / 4 + a] >> 13) & 1;
+ printf(" AB_DOT_PRODUCT %d\n\r", v);
+ v = (m[0x1e40 / 4 + a] >> 14) & 1;
+ printf(" MUX_SUM %d\n\r", v);
+ v = (m[0x1e40 / 4 + a] >> 15) & 1;
+ printf(" BIAS %s\n\r", rc_bias_str[v]);
+ v = (m[0x1e40 / 4 + a] >> 16) & 3;
+ printf(" SCALE %s\n\r", rc_scale_str[v]);
+ //v=(m[0x1e40/4+a] >> 27) & 7;
+ printf("\n\r");
+ }
+ printf("Combiner final %08X %08X\n\r", m[0x0288 / 4], m[0x028c / 4]);
+ for (a = 24; a >= 0; a = a - 8) {
+ n = (m[0x0288 / 4] >> a) & 0xf;
+ printf(" %c_INPUT %s\n\r", 'A' + 3 - a / 8, rc_variable_str[n]);
+ n = (m[0x0288 / 4] >> (a + 4)) & 1;
+ printf(" %c_COMPONENT_USAGE %s\n\r", 'A' + 3 - a / 8, rc_usage_rgb_str[n]);
+ n = (m[0x0288 / 4] >> (a + 5)) & 7;
+ printf(" %c_MAPPING %s\n\r", 'A' + 3 - a / 8, rc_mapping_str[n]);
+ }
+ for (a = 24; a >= 8; a = a - 8) {
+ n = (m[0x028c / 4] >> a) & 0xf;
+ printf(" %c_INPUT %s\n\r", 'E' + 3 - a / 8, rc_variable_str[n]);
+ n = (m[0x028c / 4] >> (a + 4)) & 1;
+ printf(" %c_COMPONENT_USAGE %s\n\r", 'E' + 3 - a / 8, rc_usage_rgb_str[n]);
+ n = (m[0x028c / 4] >> (a + 5)) & 7;
+ printf(" %c_MAPPING %s\n\r", 'E' + 3 - a / 8, rc_mapping_str[n]);
+ }
+ n = (m[0x028c / 4] >> 7) & 1;
+ printf(" color sum clamp: %d\n\r", n);
+}
+#endif
+
+void nv2a_renderer::read_vertex(address_space & space, offs_t address, vertex_nv &vertex, int attrib)
+{
+ UINT32 u;
+ int c, d, l;
+
+ l = vertexbuffer_size[attrib];
+ switch (vertexbuffer_kind[attrib]) {
+ case NV2A_VTXBUF_TYPE_FLOAT:
+ default:
+ vertex.attribute[attrib].fv[0] = 0;
+ vertex.attribute[attrib].fv[1] = 0;
+ vertex.attribute[attrib].fv[2] = 0;
+ vertex.attribute[attrib].fv[3] = 1.0;
+ for (c = d = 0; c < l; c++) {
+ vertex.attribute[attrib].iv[c] = space.read_dword(address + d);
+ d = d + 4;
+ }
+ break;
+ case NV2A_VTXBUF_TYPE_UBYTE:
+ break;
+ case NV2A_VTXBUF_TYPE_UNKNOWN_0:
+ u = space.read_dword(address + 0);
+ for (c = 0; c < l; c++) {
+ vertex.attribute[attrib].fv[c] = (u & 0xff) / 255.0;
+ u = u >> 8;
+ }
+ break;
+ case NV2A_VTXBUF_TYPE_UNKNOWN_6: // ???
+ u = space.read_dword(address + 0);
+ vertex.attribute[attrib].fv[0] = (u & 0xff) / 255.0; // b
+ vertex.attribute[attrib].fv[1] = ((u & 0xff00) >> 8) / 255.0; // g
+ vertex.attribute[attrib].fv[2] = ((u & 0xff0000) >> 16) / 255.0; // r
+ vertex.attribute[attrib].fv[3] = ((u & 0xff000000) >> 24) / 255.0; // a
+ break;
+ }
+}
+
+/* Read vertices data from system memory. Method 0x1810 */
+int nv2a_renderer::read_vertices_0x1810(address_space & space, vertex_nv *destination, int offset, int limit)
+{
+ UINT32 m;
+ int a, b;
+
+#ifdef MAME_DEBUG
+ memset(destination, 0, sizeof(vertex_nv)*limit);
+#endif
+ for (m = 0; m < limit; m++) {
+ b = enabled_vertex_attributes;
+ for (a = 0; a < 16; a++) {
+ if (b & 1) {
+ read_vertex(space, vertexbuffer_address[a] + (m + offset)*vertexbuffer_stride[a], destination[m], a);
+ }
+ b = b >> 1;
+ }
+ }
+ return m;
+}
+
+/* Read vertices data from system memory. Method 0x1800 */
+int nv2a_renderer::read_vertices_0x1800(address_space & space, vertex_nv *destination, UINT32 address, int limit)
+{
+ UINT32 data;
+ UINT32 m, i, c;
+ int a, b;
+
+#ifdef MAME_DEBUG
+ memset(destination, 0, sizeof(vertex_nv)*limit);
+#endif
+ c = 0;
+ for (m = 0; m < limit; m++) {
+ if (indexesleft_count == 0) {
+ data = space.read_dword(address);
+ i = (indexesleft_first + indexesleft_count) & 7;
+ indexesleft[i] = data & 0xffff;
+ indexesleft[(i + 1) & 7] = (data >> 16) & 0xffff;
+ indexesleft_count = indexesleft_count + 2;
+ address += 4;
+ c++;
+ }
+ b = enabled_vertex_attributes;
+ for (a = 0; a < 16; a++) {
+ if (b & 1) {
+ read_vertex(space, vertexbuffer_address[a] + indexesleft[indexesleft_first] * vertexbuffer_stride[a], destination[m], a);
+ }
+ b = b >> 1;
+ }
+ indexesleft_first = (indexesleft_first + 1) & 7;
+ indexesleft_count--;
+ }
+ return (int)c;
+}
+
+/* Read vertices data from system memory. Method 0x1818 */
+int nv2a_renderer::read_vertices_0x1818(address_space & space, vertex_nv *destination, UINT32 address, int limit)
+{
+ UINT32 m, vwords;
+ int a, b;
+
+#ifdef MAME_DEBUG
+ memset(destination, 0, sizeof(vertex_nv)*limit);
+#endif
+ vwords = vertex_attribute_words[15] + vertex_attribute_offset[15];
+ for (m = 0; m < limit; m++) {
+ b = enabled_vertex_attributes;
+ for (a = 0; a < 16; a++) {
+ if (b & 1) {
+ read_vertex(space, address + vertex_attribute_offset[a] * 4, destination[m], a);
+ }
+ b = b >> 1;
+ }
+ address = address + vwords * 4;
+ }
+ return (int)(m*vwords);
+}
+
+void nv2a_renderer::convert_vertices_poly(vertex_nv *source, vertex_t *destination, int count)
+{
+ int m, u;
+
+ // take each vertex with its attributes and obtain data for drawing
+ // should use either the vertex program or transformation matrices
+ if (vertex_pipeline == 4) {
+ // transformation matrices
+ // it is not implemented, so we pretend its always using screen coordinates
+ for (m = 0; m < count; m++) {
+ destination[m].x = source[m].attribute[0].fv[0];
+ destination[m].y = source[m].attribute[0].fv[1];
+ for (u = 0; u < 4; u++) // 0=b 1=g 2=r 3=a
+ destination[m].p[u] = source[m].attribute[3].fv[u];
+ for (u = 0; u < 4; u++) {
+ destination[m].p[4 + u * 2] = source[m].attribute[9 + u].fv[0];
+ destination[m].p[5 + u * 2] = source[m].attribute[9 + u].fv[1];
+ }
+ }
+ }
+ else {
+ // vertex program
+ vertex_nv vert[4];
+ // run vertex program
+ vertexprogram.exec.process(vertexprogram.start_instruction, source, vert, count);
+ // copy data for poly.c
+ for (m = 0; m < count; m++) {
+ destination[m].x = vert[m].attribute[0].fv[0];
+ destination[m].y = vert[m].attribute[0].fv[1];
+ for (u = 0; u < 4; u++) // 0=b 1=g 2=r 3=a
+ destination[m].p[u] = vert[m].attribute[3].fv[u];
+ for (u = 0; u < 4; u++) {
+ destination[m].p[4 + u * 2] = vert[m].attribute[9 + u].fv[0];
+ destination[m].p[5 + u * 2] = vert[m].attribute[9 + u].fv[1];
+ }
+ }
+ }
+}
+
+void nv2a_renderer::geforce_exec_method(address_space & space, UINT32 chanel, UINT32 subchannel, UINT32 method, UINT32 address, int &countlen)
+{
+ UINT32 maddress;
+ UINT32 data;
+
+ maddress = method * 4;
+ data = space.read_dword(address);
+ channel[chanel][subchannel].object.method[method] = data;
+ if (maddress == 0x17fc) {
+ indexesleft_count = 0;
+ indexesleft_first = 0;
+ primitives_count = 0;
+ countlen--;
+ }
+ if (maddress == 0x1810) {
+ // draw vertices
+ int offset, count, type;
+ UINT32 n;
+ render_delegate renderspans;
+
+ offset = data & 0xffffff;
+ count = (data >> 24) & 0xff;
+ type = channel[chanel][subchannel].object.method[0x17fc / 4];
+ if (((channel[chanel][subchannel].object.method[0x1e60 / 4] & 7) > 0) && (combiner.used != 0)) {
+ renderspans = render_delegate(FUNC(nv2a_renderer::render_register_combiners), this);
+ }
+ else if (texture[0].enabled) {
+ renderspans = render_delegate(FUNC(nv2a_renderer::render_texture_simple), this);
+ }
+ else
+ renderspans = render_delegate(FUNC(nv2a_renderer::render_color), this);
+#ifdef LOG_NV2A
+ printf("vertex %d %d %d\n\r", type, offset, count);
+#endif
+ if (type == nv2a_renderer::QUADS) {
+ for (n = 0; n <= count; n += 4) {
+ vertex_nv vert[4];
+ vertex_t xy[4];
+
+ read_vertices_0x1810(space, vert, n + offset, 4);
+ convert_vertices_poly(vert, xy, 4);
+ render_polygon<4>(fb.cliprect(), renderspans, 4 + 4 * 2, xy); // 4 rgba, 4 texture units 2 uv
+ }
+ wait();
+ }
+ else if (type == nv2a_renderer::TRIANGLE_STRIP) {
+ vertex_nv vert[4];
+ vertex_t xy[4];
+
+ read_vertices_0x1810(space, vert, offset, 2);
+ convert_vertices_poly(vert, xy, 2);
+ count = count - 2;
+ offset = offset + 2;
+ for (n = 0; n <= count; n++) {
+ read_vertices_0x1810(space, vert + ((n + 2) & 3), offset + n, 1);
+ convert_vertices_poly(vert + ((n + 2) & 3), xy + ((n + 2) & 3), 1);
+ render_triangle(fb.cliprect(), renderspans, 4 + 4 * 2, xy[((n & 1) + n) & 3], xy[((~n & 1) + n) & 3], xy[(2 + n) & 3]);
+ }
+ wait();
+ }
+ else {
+ logerror("Unsupported primitive %d for method 0x1810\n", type);
+ }
+ countlen--;
+ }
+ if (maddress == 0x1800) {
+ UINT32 type, n;
+ render_delegate renderspans;
+
+ if (((channel[chanel][subchannel].object.method[0x1e60 / 4] & 7) > 0) && (combiner.used != 0)) {
+ renderspans = render_delegate(FUNC(nv2a_renderer::render_register_combiners), this);
+ }
+ else if (texture[0].enabled) {
+ renderspans = render_delegate(FUNC(nv2a_renderer::render_texture_simple), this);
+ }
+ else
+ renderspans = render_delegate(FUNC(nv2a_renderer::render_color), this);
+ // vertices are selected from the vertex buffer using an array of indexes
+ // each dword after 1800 contains two 16 bit index values to select the vartices
+ type = channel[chanel][subchannel].object.method[0x17fc / 4];
+#ifdef LOG_NV2A
+ printf("vertex %d %d %d\n\r", type, offset, count);
+#endif
+ if (type == nv2a_renderer::QUADS) {
+ while (1) {
+ vertex_nv vert[4];
+ vertex_t xy[4];
+ int c;
+
+ if ((countlen * 2 + indexesleft_count) < 4)
+ break;
+ c = read_vertices_0x1800(space, vert, address, 4);
+ address = address + c * 4;
+ countlen = countlen - c;
+ convert_vertices_poly(vert, xy, 4);
+ render_polygon<4>(fb.cliprect(), renderspans, 4 + 4 * 2, xy); // 4 rgba, 4 texture units 2 uv
+ }
+ while (countlen > 0) {
+ data = space.read_dword(address);
+ n = (indexesleft_first + indexesleft_count) & 7;
+ indexesleft[n] = data & 0xffff;
+ indexesleft[(n + 1) & 7] = (data >> 16) & 0xffff;
+ indexesleft_count = indexesleft_count + 2;
+ address += 4;
+ countlen--;
+ }
+ wait();
+ }
+ else if (type == nv2a_renderer::TRIANGLES) {
+ while (1) {
+ vertex_nv vert[3];
+ vertex_t xy[3];
+ int c;
+
+ if ((countlen * 2 + indexesleft_count) < 3)
+ break;
+ c = read_vertices_0x1800(space, vert, address, 3);
+ address = address + c * 4;
+ countlen = countlen - c;
+ convert_vertices_poly(vert, xy, 3);
+ render_triangle(fb.cliprect(), renderspans, 4 + 4 * 2, xy[0], xy[1], xy[2]); // 4 rgba, 4 texture units 2 uv
+ }
+ while (countlen > 0) {
+ data = space.read_dword(address);
+ n = (indexesleft_first + indexesleft_count) & 7;
+ indexesleft[n] = data & 0xffff;
+ indexesleft[(n + 1) & 7] = (data >> 16) & 0xffff;
+ indexesleft_count = indexesleft_count + 2;
+ address += 4;
+ countlen--;
+ }
+ wait();
+ }
+ else if (type == nv2a_renderer::TRIANGLE_STRIP) {
+ if ((countlen * 2 + indexesleft_count) >= 3) {
+ vertex_nv vert[4];
+ vertex_t xy[4];
+ int c, count;
+
+ c = read_vertices_0x1800(space, vert, address, 2);
+ convert_vertices_poly(vert, xy, 2);
+ address = address + c * 4;
+ countlen = countlen - c;
+ count = countlen * 2 + indexesleft_count;
+ for (n = 0; n < count; n++) { // <=
+ c = read_vertices_0x1800(space, vert + ((n + 2) & 3), address, 1);
+ address = address + c * 4;
+ countlen = countlen - c;
+ convert_vertices_poly(vert + ((n + 2) & 3), xy + ((n + 2) & 3), 1);
+ if (xy[(n + 2) & 3].y > 293800000.0)
+ xy[(n + 2) & 3].y = xy[(n + 2) & 3].y + 1.0;
+ render_triangle(fb.cliprect(), renderspans, 4 + 4 * 2, xy[((n & 1) + n) & 3], xy[((~n & 1) + n) & 3], xy[(2 + n) & 3]);
+ }
+ }
+ while (countlen > 0) {
+ data = space.read_dword(address);
+ n = (indexesleft_first + indexesleft_count) & 7;
+ indexesleft[n] = data & 0xffff;
+ indexesleft[(n + 1) & 7] = (data >> 16) & 0xffff;
+ indexesleft_count = indexesleft_count + 2;
+ address += 4;
+ countlen--;
+ }
+ wait();
+ }
+ else {
+ logerror("Unsupported primitive %d for method 0x1800\n", type);
+ countlen = 0;
+ }
+ }
+ if (maddress == 0x1818) {
+ int n;
+ int type;
+ render_delegate renderspans;
+
+ if (((channel[chanel][subchannel].object.method[0x1e60 / 4] & 7) > 0) && (combiner.used != 0)) {
+ renderspans = render_delegate(FUNC(nv2a_renderer::render_register_combiners), this);
+ }
+ else if (texture[0].enabled) {
+ renderspans = render_delegate(FUNC(nv2a_renderer::render_texture_simple), this);
+ }
+ else
+ renderspans = render_delegate(FUNC(nv2a_renderer::render_color), this);
+ // vertices are taken from the next words, not from a vertex buffer
+ // first send primitive type with 17fc
+ // then countlen number of dwords with 1818
+ // end with 17fc primitive type 0
+ // at 1760 16 words specify the vertex format:for each possible vertex attribute the number of components (0=not present) and type of each
+ type = channel[chanel][subchannel].object.method[0x17fc / 4];
+ if (type == nv2a_renderer::TRIANGLE_FAN) {
+ vertex_nv vert[3];
+ vertex_t xy[3];
+ int c;
+
+ c = read_vertices_0x1818(space, vert, address, 2);
+ convert_vertices_poly(vert, xy, 2);
+ countlen = countlen - c;
+ if (countlen < 0) {
+ logerror("Method 0x1818 missing %d words to draw a complete primitive\n", -countlen);
+ countlen = 0;
+ return;
+ }
+ address = address + c * 4;
+ for (n = 1; countlen > 0; n++) {
+ c = read_vertices_0x1818(space, vert + ((n & 1) + 1), address, 1);
+ countlen = countlen - c;
+ if (countlen < 0) {
+ logerror("Method 0x1818 missing %d words to draw a complete primitive\n", -countlen);
+ countlen = 0;
+ break;
+ }
+ address = address + c * 4;
+ convert_vertices_poly(vert + ((n & 1) + 1), xy + ((n & 1) + 1), 1);
+ render_triangle(fb.cliprect(), renderspans, 4 + 4 * 2, xy[0], xy[(~n & 1) + 1], xy[(n & 1) + 1]);
+ }
+ wait();
+ }
+ else if (type == nv2a_renderer::TRIANGLE_STRIP) {
+ vertex_nv vert[4];
+ vertex_t xy[4];
+ int c;
+
+ c = read_vertices_0x1818(space, vert, address, 2);
+ convert_vertices_poly(vert, xy, 2);
+ countlen = countlen - c;
+ if (countlen < 0) {
+ logerror("Method 0x1818 missing %d words to draw a complete primitive\n", -countlen);
+ countlen = 0;
+ return;
+ }
+ address = address + c * 4;
+ for (n = 0; countlen > 0; n++) {
+ c = read_vertices_0x1818(space, vert + ((n + 2) & 3), address, 1);
+ convert_vertices_poly(vert + ((n + 2) & 3), xy + ((n + 2) & 3), 1);
+ countlen = countlen - c;
+ if (countlen < 0) {
+ logerror("Method 0x1818 missing %d words to draw a complete primitive\n", -countlen);
+ countlen = 0;
+ break;
+ }
+ address = address + c * 4;
+ render_triangle(fb.cliprect(), renderspans, 4 + 4 * 2, xy[((n & 1) + n) & 3], xy[((~n & 1) + n) & 3], xy[(2 + n) & 3]);
+ }
+ wait();
+ }
+ else if (type == nv2a_renderer::QUADS) {
+ while (countlen > 0) {
+ vertex_nv vert[4];
+ vertex_t xy[4];
+ int c;
+
+ c = read_vertices_0x1818(space, vert, address, 4);
+ convert_vertices_poly(vert, xy, 4);
+ countlen = countlen - c;
+ if (countlen < 0) {
+ logerror("Method 0x1818 missing %d words to draw a complete primitive\n", -countlen);
+ countlen = 0;
+ break;
+ }
+ address = address + c * 4;
+ render_polygon<4>(fb.cliprect(), renderspans, 4 + 4 * 2, xy); // 4 rgba, 4 texture units 2 uv
+ }
+ wait();
+ }
+ else if (type == nv2a_renderer::QUAD_STRIP) {
+ vertex_nv vert[4];
+ vertex_t xy[4];
+ int c;
+
+ c = read_vertices_0x1818(space, vert, address, 2);
+ convert_vertices_poly(vert, xy, 2);
+ countlen = countlen - c;
+ if (countlen < 0) {
+ logerror("Method 0x1818 missing %d words to draw a complete primitive\n", -countlen);
+ countlen = 0;
+ return;
+ }
+ address = address + c * 4;
+ for (n = 0; countlen > 0; n += 2) {
+ c = read_vertices_0x1818(space, vert + ((n + 2) & 3), address + ((n + 2) & 3), 2);
+ convert_vertices_poly(vert + ((n + 2) & 3), xy + ((n + 2) & 3), 2);
+ countlen = countlen - c;
+ if (countlen < 0) {
+ logerror("Method 0x1818 missing %d words to draw a complete primitive\n", -countlen);
+ countlen = 0;
+ return;
+ }
+ address = address + c * 4;
+ render_triangle(fb.cliprect(), renderspans, 4 + 4 * 2, xy[n & 3], xy[(n + 1) & 3], xy[(n + 2) & 3]);
+ render_triangle(fb.cliprect(), renderspans, 4 + 4 * 2, xy[(n + 2) & 3], xy[(n + 1) & 3], xy[(n + 3) & 3]);
+ }
+ wait();
+ }
+ else {
+ logerror("Unsupported primitive %d for method 0x1818\n", type);
+ countlen = 0;
+ }
+ }
+ if ((maddress >= 0x1720) && (maddress < 0x1760)) {
+ int bit = method - 0x1720 / 4;
+
+ if (data & 0x80000000)
+ vertexbuffer_address[bit] = (data & 0x0fffffff) + dma_offset[1];
+ else
+ vertexbuffer_address[bit] = (data & 0x0fffffff) + dma_offset[0];
+ }
+ if ((maddress >= 0x1760) && (maddress < 0x17A0)) {
+ int bit = method - 0x1760 / 4;
+
+ vertexbuffer_stride[bit] = (data >> 8) & 255;
+ vertexbuffer_kind[bit] = data & 15;
+ vertexbuffer_size[bit] = (data >> 4) & 15;
+ switch (vertexbuffer_kind[bit]) {
+ case NV2A_VTXBUF_TYPE_UNKNOWN_0:
+ vertex_attribute_words[bit] = (vertexbuffer_size[bit] * 1) >> 2;
+ break;
+ case NV2A_VTXBUF_TYPE_FLOAT:
+ vertex_attribute_words[bit] = (vertexbuffer_size[bit] * 4) >> 2;
+ break;
+ case NV2A_VTXBUF_TYPE_UBYTE:
+ vertex_attribute_words[bit] = (vertexbuffer_size[bit] * 1) >> 2;
+ break;
+ case NV2A_VTXBUF_TYPE_USHORT:
+ vertex_attribute_words[bit] = (vertexbuffer_size[bit] * 2) >> 2;
+ break;
+ case NV2A_VTXBUF_TYPE_UNKNOWN_6:
+ vertex_attribute_words[bit] = (vertexbuffer_size[bit] * 4) >> 2;
+ break;
+ default:
+ vertex_attribute_words[bit] = 0;
+ }
+ if (vertexbuffer_size[bit] > 0)
+ enabled_vertex_attributes |= (1 << bit);
+ else
+ enabled_vertex_attributes &= ~(1 << bit);
+ for (int n = bit + 1; n < 16; n++) {
+ if ((enabled_vertex_attributes & (1 << (n - 1))) != 0)
+ vertex_attribute_offset[n] = vertex_attribute_offset[n - 1] + vertex_attribute_words[n - 1];
+ else
+ vertex_attribute_offset[n] = vertex_attribute_offset[n - 1];
+ }
+ countlen--;
+ }
+ if ((maddress == 0x1d6c) || (maddress == 0x1d70) || (maddress == 0x1a4))
+ countlen--;
+ if (maddress == 0x019c) {
+ geforce_read_dma_object(data, dma_offset[0], dma_size[0]);
+ }
+ if (maddress == 0x01a0) {
+ geforce_read_dma_object(data, dma_offset[1], dma_size[1]);
+ }
+ if (maddress == 0x1d70) {
+ // with 1d70 write the value at offest [1d6c] inside dma object [1a4]
+ UINT32 offset, base;
+ UINT32 dmahand, dmaoff, smasiz;
+
+ offset = channel[chanel][subchannel].object.method[0x1d6c / 4];
+ dmahand = channel[chanel][subchannel].object.method[0x1a4 / 4];
+ geforce_read_dma_object(dmahand, dmaoff, smasiz);
+ base = dmaoff;
+ space.write_dword(base + offset, data);
+ countlen--;
+ }
+ if (maddress == 0x1d94) {
+ // possible buffers: color, depth, stencil, and accumulation
+ // clear framebuffer
+ if (data & 0xf0) {
+ // clear colors
+ UINT32 color = channel[chanel][subchannel].object.method[0x1d90 / 4];
+ fb.fill(color);
+ //printf("clearscreen\n\r");
+ }
+ if (data & 0x03) {
+ // clear stencil+zbuffer
+ }
+ countlen--;
+ }
+ if (maddress == 0x0210) {
+ // framebuffer offset ?
+ countlen--;
+ }
+ if (maddress == 0x0214) {
+ // zbuffer offset ?
+ countlen--;
+ }
+ if (maddress == 0x0300) {
+ alpha_test_enabled = data != 0;
+ }
+ if (maddress == 0x033c) {
+ alpha_func = data;
+ }
+ if (maddress == 0x0340) {
+ alpha_reference = data;
+ }
+ if (maddress == 0x0304) {
+ if (logical_operation_enabled)
+ blending_enabled = false;
+ else
+ blending_enabled = data != 0;
+ }
+ if (maddress == 0x0344) {
+ blend_function_source = data;
+ }
+ if (maddress == 0x0348) {
+ blend_function_destination = data;
+ }
+ if (maddress == 0x034c) {
+ blend_color = data;
+ }
+ if (maddress == 0x0350) {
+ blend_equation = data;
+ }
+ if (maddress == 0x0d40) {
+ if (data != 0)
+ blending_enabled = false;
+ else
+ blending_enabled = channel[chanel][subchannel].object.method[0x0304 / 4] != 0;
+ logical_operation_enabled = data != 0;
+ }
+ if (maddress == 0x0d44) {
+ logical_operation = data;
+ }
+ // Texture Units
+ if ((maddress >= 0x1b00) && (maddress < 0x1c00)) {
+ int unit;//,off;
+
+ unit = (maddress >> 6) & 3;
+ //off=maddress & 0xc0;
+ maddress = maddress & ~0xc0;
+ if (maddress == 0x1b00) {
+ UINT32 offset;//,base;
+ //UINT32 dmahand,dmaoff,dmasiz;
+
+ offset = data;
+ texture[unit].buffer = space.get_read_ptr(offset);
+ /*if (dma0 != 0) {
+ dmahand=channel[channel][subchannel].object.method[0x184/4];
+ geforce_read_dma_object(dmahand,dmaoff,smasiz);
+ } else if (dma1 != 0) {
+ dmahand=channel[channel][subchannel].object.method[0x188/4];
+ geforce_read_dma_object(dmahand,dmaoff,smasiz);
+ }*/
+ }
+ if (maddress == 0x1b04) {
+ //int dma0,dma1,cubic,noborder,dims,mipmap;
+ int basesizeu, basesizev, basesizew, format;
+
+ //dma0=(data >> 0) & 1;
+ //dma1=(data >> 1) & 1;
+ //cubic=(data >> 2) & 1;
+ //noborder=(data >> 3) & 1;
+ //dims=(data >> 4) & 15;
+ //mipmap=(data >> 19) & 1;
+ format = (data >> 8) & 255;
+ basesizeu = (data >> 20) & 15;
+ basesizev = (data >> 24) & 15;
+ basesizew = (data >> 28) & 15;
+ texture[unit].sizeu = 1 << basesizeu;
+ texture[unit].sizev = 1 << basesizev;
+ texture[unit].sizew = 1 << basesizew;
+ texture[unit].dilate = dilatechose[(basesizeu << 4) + basesizev];
+ texture[unit].format = format;
+ if (debug_grab_texttype == format) {
+ FILE *f;
+ int written;
+
+ debug_grab_texttype = -1;
+ f = fopen(debug_grab_textfile, "wb");
+ if (f) {
+ written = (int)fwrite(texture[unit].buffer, texture[unit].sizeu*texture[unit].sizev * 4, 1, f);
+ fclose(f);
+ logerror("Written %d bytes of texture to specified file\n", written);
+ }
+ else
+ logerror("Unable to save texture to specified file\n");
+ }
+ }
+ if (maddress == 0x1b0c) {
+ // enable texture
+ int enable;
+
+ enable = (data >> 30) & 1;
+ texture[unit].enabled = enable;
+ }
+ if (maddress == 0x1b10) {
+ texture[unit].rectangle_pitch = data >> 16;
+ }
+ countlen--;
+ }
+ // modelview matrix
+ if ((maddress >= 0x0480) && (maddress < 0x04c0)) {
+ maddress = (maddress - 0x0480) / 4;
+ *(UINT32 *)(&matrix.modelview[maddress]) = data;
+ countlen--;
+ }
+ // inverse modelview matrix
+ if ((maddress >= 0x0580) && (maddress < 0x05c0)) {
+ maddress = (maddress - 0x0580) / 4;
+ *(UINT32 *)(&matrix.modelview_inverse[maddress]) = data;
+ countlen--;
+ }
+ // projection matrix
+ if ((maddress >= 0x0680) && (maddress < 0x06c0)) {
+ maddress = (maddress - 0x0680) / 4;
+ *(UINT32 *)(&matrix.projection[maddress]) = data;
+ countlen--;
+ }
+ // viewport translate
+ if ((maddress >= 0x0a20) && (maddress < 0x0a30)) {
+ maddress = (maddress - 0x0a20) / 4;
+ *(UINT32 *)(&matrix.translate[maddress]) = data;
+ // set corresponding vertex shader constant too
+ vertexprogram.exec.c_constant[59].iv[maddress] = data; // constant -37
+ countlen--;
+ }
+ // viewport scale
+ if ((maddress >= 0x0af0) && (maddress < 0x0b00)) {
+ maddress = (maddress - 0x0af0) / 4;
+ *(UINT32 *)(&matrix.scale[maddress]) = data;
+ // set corresponding vertex shader constant too
+ vertexprogram.exec.c_constant[58].iv[maddress] = data; // constant -38
+ countlen--;
+ }
+ // Vertex program (shader)
+ if (maddress == 0x1e94) {
+ /*if (data == 2)
+ logerror("Enabled vertex program\n");
+ else if (data == 4)
+ logerror("Enabled fixed function pipeline\n");
+ else if (data == 6)
+ logerror("Enabled both fixed function pipeline and vertex program ?\n");
+ else
+ logerror("Unknown value %d to method 0x1e94\n",data);*/
+ vertex_pipeline = data & 6;
+ countlen--;
+ }
+ if (maddress == 0x1e9c) {
+ //logerror("VP_UPLOAD_FROM_ID %d\n",data);
+ vertexprogram.upload_instruction_index = data;
+ vertexprogram.upload_instruction_component = 0;
+ countlen--;
+ }
+ if (maddress == 0x1ea0) {
+ //logerror("VP_START_FROM_ID %d\n",data);
+ vertexprogram.instructions = vertexprogram.upload_instruction_index;
+ vertexprogram.start_instruction = data;
+ countlen--;
+ }
+ if (maddress == 0x1ea4) {
+ //logerror("VP_UPLOAD_CONST_ID %d\n",data);
+ vertexprogram.upload_parameter_index = data;
+ vertexprogram.upload_parameter_component = 0;
+ countlen--;
+ }
+ if ((maddress >= 0x0b00) && (maddress < 0x0b80)) {
+ //logerror("VP_UPLOAD_INST\n");
+ if (vertexprogram.upload_instruction_index < 192) {
+ vertexprogram.exec.op[vertexprogram.upload_instruction_index].i[vertexprogram.upload_instruction_component] = data;
+ vertexprogram.exec.op[vertexprogram.upload_instruction_index].modified |= (1 << vertexprogram.upload_instruction_component);
+ }
+ else
+ logerror("Need to increase size of vertexprogram.instruction to %d\n\r", vertexprogram.upload_instruction_index);
+ if (vertexprogram.exec.op[vertexprogram.upload_instruction_index].modified == 15) {
+ vertexprogram.exec.op[vertexprogram.upload_instruction_index].modified = 0;
+ vertexprogram.exec.decode_instruction(vertexprogram.upload_instruction_index);
+ }
+ vertexprogram.upload_instruction_component++;
+ if (vertexprogram.upload_instruction_component >= 4) {
+ vertexprogram.upload_instruction_component = 0;
+ vertexprogram.upload_instruction_index++;
+ }
+ }
+ if ((maddress >= 0x0b80) && (maddress < 0x0c00)) {
+ //logerror("VP_UPLOAD_CONST\n");
+ if (vertexprogram.upload_parameter_index < 256)
+ vertexprogram.exec.c_constant[vertexprogram.upload_parameter_index].iv[vertexprogram.upload_parameter_component] = data;
+ else
+ logerror("Need to increase size of vertexprogram.parameter to %d\n\r", vertexprogram.upload_parameter_index);
+ vertexprogram.upload_parameter_component++;
+ if (vertexprogram.upload_parameter_component >= 4) {
+ vertexprogram.upload_parameter_component = 0;
+ vertexprogram.upload_parameter_index++;
+ }
+ }
+ // Register combiners
+ if (maddress == 0x1e60) {
+ combiner.stages = data & 15;
+ countlen--;
+ }
+ if (maddress == 0x0288) {
+ combiner.final.mapin_rgbD_input = data & 15;
+ combiner.final.mapin_rgbD_component = (data >> 4) & 1;
+ combiner.final.mapin_rgbD_mapping = (data >> 5) & 7;
+ combiner.final.mapin_rgbC_input = (data >> 8) & 15;
+ combiner.final.mapin_rgbC_component = (data >> 12) & 1;
+ combiner.final.mapin_rgbC_mapping = (data >> 13) & 7;
+ combiner.final.mapin_rgbB_input = (data >> 16) & 15;
+ combiner.final.mapin_rgbB_component = (data >> 20) & 1;
+ combiner.final.mapin_rgbB_mapping = (data >> 21) & 7;
+ combiner.final.mapin_rgbA_input = (data >> 24) & 15;
+ combiner.final.mapin_rgbA_component = (data >> 28) & 1;
+ combiner.final.mapin_rgbA_mapping = (data >> 29) & 7;
+ countlen--;
+ }
+ if (maddress == 0x028c) {
+ combiner.final.color_sum_clamp = (data >> 7) & 1;
+ combiner.final.mapin_aG_input = (data >> 8) & 15;
+ combiner.final.mapin_aG_component = (data >> 12) & 1;
+ combiner.final.mapin_aG_mapping = (data >> 13) & 7;
+ combiner.final.mapin_rgbF_input = (data >> 16) & 15;
+ combiner.final.mapin_rgbF_component = (data >> 20) & 1;
+ combiner.final.mapin_rgbF_mapping = (data >> 21) & 7;
+ combiner.final.mapin_rgbE_input = (data >> 24) & 15;
+ combiner.final.mapin_rgbE_component = (data >> 28) & 1;
+ combiner.final.mapin_rgbE_mapping = (data >> 29) & 7;
+ countlen--;
+ }
+ if (maddress == 0x1e20) {
+ combiner_argb8_float(data, combiner.final.register_constantcolor0);
+ countlen--;
+ }
+ if (maddress == 0x1e24) {
+ combiner_argb8_float(data, combiner.final.register_constantcolor1);
+ countlen--;
+ }
+ if ((maddress >= 0x0260) && (maddress < 0x0280)) {
+ int n;
+
+ n = (maddress - 0x0260) >> 2;
+ combiner.stage[n].mapin_aD_input = data & 15;
+ combiner.stage[n].mapin_aD_component = (data >> 4) & 1;
+ combiner.stage[n].mapin_aD_mapping = (data >> 5) & 7;
+ combiner.stage[n].mapin_aC_input = (data >> 8) & 15;
+ combiner.stage[n].mapin_aC_component = (data >> 12) & 1;
+ combiner.stage[n].mapin_aC_mapping = (data >> 13) & 7;
+ combiner.stage[n].mapin_aB_input = (data >> 16) & 15;
+ combiner.stage[n].mapin_aB_component = (data >> 20) & 1;
+ combiner.stage[n].mapin_aB_mapping = (data >> 21) & 7;
+ combiner.stage[n].mapin_aA_input = (data >> 24) & 15;
+ combiner.stage[n].mapin_aA_component = (data >> 28) & 1;
+ combiner.stage[n].mapin_aA_mapping = (data >> 29) & 7;
+ countlen--;
+ }
+ if ((maddress >= 0x0ac0) && (maddress < 0x0ae0)) {
+ int n;
+
+ n = (maddress - 0x0ac0) >> 2;
+ combiner.stage[n].mapin_rgbD_input = data & 15;
+ combiner.stage[n].mapin_rgbD_component = (data >> 4) & 1;
+ combiner.stage[n].mapin_rgbD_mapping = (data >> 5) & 7;
+ combiner.stage[n].mapin_rgbC_input = (data >> 8) & 15;
+ combiner.stage[n].mapin_rgbC_component = (data >> 12) & 1;
+ combiner.stage[n].mapin_rgbC_mapping = (data >> 13) & 7;
+ combiner.stage[n].mapin_rgbB_input = (data >> 16) & 15;
+ combiner.stage[n].mapin_rgbB_component = (data >> 20) & 1;
+ combiner.stage[n].mapin_rgbB_mapping = (data >> 21) & 7;
+ combiner.stage[n].mapin_rgbA_input = (data >> 24) & 15;
+ combiner.stage[n].mapin_rgbA_component = (data >> 28) & 1;
+ combiner.stage[n].mapin_rgbA_mapping = (data >> 29) & 7;
+ countlen--;
+ }
+ if ((maddress >= 0x0a60) && (maddress < 0x0a80)) {
+ int n;
+
+ n = (maddress - 0x0a60) >> 2;
+ combiner_argb8_float(data, combiner.stage[n].register_constantcolor0);
+ countlen--;
+ }
+ if ((maddress >= 0x0a80) && (maddress < 0x0aa0)) {
+ int n;
+
+ n = (maddress - 0x0a80) >> 2;
+ combiner_argb8_float(data, combiner.stage[n].register_constantcolor1);
+ countlen--;
+ }
+ if ((maddress >= 0x0aa0) && (maddress < 0x0ac0)) {
+ int n;
+
+ n = (maddress - 0x0aa0) >> 2;
+ combiner.stage[n].mapout_aCD_output = data & 15;
+ combiner.stage[n].mapout_aAB_output = (data >> 4) & 15;
+ combiner.stage[n].mapout_aSUM_output = (data >> 8) & 15;
+ combiner.stage[n].mapout_aCD_dotproduct = (data >> 12) & 1;
+ combiner.stage[n].mapout_aAB_dotproduct = (data >> 13) & 1;
+ combiner.stage[n].mapout_a_muxsum = (data >> 14) & 1;
+ combiner.stage[n].mapout_a_bias = (data >> 15) & 1;
+ combiner.stage[n].mapout_a_scale = (data >> 16) & 3;
+ //combiner.=(data >> 27) & 7;
+ countlen--;
+ }
+ if ((maddress >= 0x1e40) && (maddress < 0x1e60)) {
+ int n;
+
+ n = (maddress - 0x1e40) >> 2;
+ combiner.stage[n].mapout_rgbCD_output = data & 15;
+ combiner.stage[n].mapout_rgbAB_output = (data >> 4) & 15;
+ combiner.stage[n].mapout_rgbSUM_output = (data >> 8) & 15;
+ combiner.stage[n].mapout_rgbCD_dotproduct = (data >> 12) & 1;
+ combiner.stage[n].mapout_rgbAB_dotproduct = (data >> 13) & 1;
+ combiner.stage[n].mapout_rgb_muxsum = (data >> 14) & 1;
+ combiner.stage[n].mapout_rgb_bias = (data >> 15) & 1;
+ combiner.stage[n].mapout_rgb_scale = (data >> 16) & 3;
+ //combiner.=(data >> 27) & 7;
+ countlen--;
+ }
+}
+
+int nv2a_renderer::toggle_register_combiners_usage()
+{
+ combiner.used = 1 - combiner.used;
+ return combiner.used;
+}
+
+void nv2a_renderer::debug_grab_texture(int type, const char *filename)
+{
+ debug_grab_texttype = type;
+ if (debug_grab_textfile == NULL)
+ debug_grab_textfile = (char *)malloc(128);
+ strncpy(debug_grab_textfile, filename, 127);
+}
+
+void nv2a_renderer::debug_grab_vertex_program_slot(int slot, UINT32 *instruction)
+{
+ if (slot >= 1024 / 4)
+ return;
+ instruction[0] = vertexprogram.exec.op[slot].i[0];
+ instruction[1] = vertexprogram.exec.op[slot].i[1];
+ instruction[2] = vertexprogram.exec.op[slot].i[2];
+ instruction[3] = vertexprogram.exec.op[slot].i[3];
+}
+
+void nv2a_renderer::savestate_items()
+{
+}
+
+void nv2a_renderer::combiner_argb8_float(UINT32 color, float reg[4])
+{
+ reg[0] = (float)(color & 0xff) / 255.0;
+ reg[1] = (float)((color >> 8) & 0xff) / 255.0;
+ reg[2] = (float)((color >> 16) & 0xff) / 255.0;
+ reg[3] = (float)((color >> 24) & 0xff) / 255.0;
+}
+
+UINT32 nv2a_renderer::combiner_float_argb8(float reg[4])
+{
+ UINT32 r, g, b, a;
+
+ a = reg[3] * 255.0;
+ b = reg[2] * 255.0;
+ g = reg[1] * 255.0;
+ r = reg[0] * 255.0;
+ return (a << 24) | (r << 16) | (g << 8) | b;
+}
+
+float nv2a_renderer::combiner_map_input_select(int code, int index)
+{
+ switch (code) {
+ case 0:
+ default:
+ return combiner.register_zero[index];
+ case 1:
+ return combiner.register_color0[index];
+ case 2:
+ return combiner.register_color1[index];
+ case 3:
+ return combiner.register_fogcolor[index];
+ case 4:
+ return combiner.register_primarycolor[index];
+ case 5:
+ return combiner.register_secondarycolor[index];
+ case 8:
+ return combiner.register_texture0color[index];
+ case 9:
+ return combiner.register_texture1color[index];
+ case 10:
+ return combiner.register_texture2color[index];
+ case 11:
+ return combiner.register_texture3color[index];
+ case 12:
+ return combiner.register_spare0[index];
+ case 13:
+ return combiner.register_spare1[index];
+ case 14:
+ return combiner.variable_sumclamp[index];
+ case 15:
+ return combiner.variable_EF[index];
+ }
+
+ // never executed
+ //return 0;
+}
+
+float *nv2a_renderer::combiner_map_input_select3(int code)
+{
+ switch (code) {
+ case 0:
+ default:
+ return combiner.register_zero;
+ case 1:
+ return combiner.register_color0;
+ case 2:
+ return combiner.register_color1;
+ case 3:
+ return combiner.register_fogcolor;
+ case 4:
+ return combiner.register_primarycolor;
+ case 5:
+ return combiner.register_secondarycolor;
+ case 8:
+ return combiner.register_texture0color;
+ case 9:
+ return combiner.register_texture1color;
+ case 10:
+ return combiner.register_texture2color;
+ case 11:
+ return combiner.register_texture3color;
+ case 12:
+ return combiner.register_spare0;
+ case 13:
+ return combiner.register_spare1;
+ case 14:
+ return combiner.variable_sumclamp;
+ case 15:
+ return combiner.variable_EF;
+ }
+
+ // never executed
+ //return 0;
+}
+
+float *nv2a_renderer::combiner_map_output_select3(int code)
+{
+ switch (code) {
+ case 0:
+ return 0;
+ case 1:
+ return 0;
+ case 2:
+ return 0;
+ case 3:
+ return 0;
+ case 4:
+ return combiner.register_primarycolor;
+ case 5:
+ return combiner.register_secondarycolor;
+ case 8:
+ return combiner.register_texture0color;
+ case 9:
+ return combiner.register_texture1color;
+ case 10:
+ return combiner.register_texture2color;
+ case 11:
+ return combiner.register_texture3color;
+ case 12:
+ return combiner.register_spare0;
+ case 13:
+ return combiner.register_spare1;
+ case 14:
+ return 0;
+ case 15:
+ default:
+ return 0;
+ }
+}
+
+float nv2a_renderer::combiner_map_input_function(int code, float value)
+{
+ float t;
+
+ switch (code) {
+ case 0:
+ return MAX(0.0, value);
+ case 1:
+ t = MAX(value, 0.0);
+ return 1.0 - MIN(t, 1.0);
+ case 2:
+ return 2.0 * MAX(0.0, value) - 1.0;
+ case 3:
+ return -2.0 * MAX(0.0, value) + 1.0;
+ case 4:
+ return MAX(0.0, value) - 0.5;
+ case 5:
+ return -MAX(0.0, value) + 0.5;
+ case 6:
+ return value;
+ case 7:
+ default:
+ return -value;
+ }
+
+ // never executed
+ //return 0;
+}
+
+void nv2a_renderer::combiner_map_input_function3(int code, float *data)
+{
+ float t;
+
+ switch (code) {
+ case 0:
+ data[0] = MAX(0.0, data[0]);
+ data[1] = MAX(0.0, data[1]);
+ data[2] = MAX(0.0, data[2]);
+ break;
+ case 1:
+ t = MAX(data[0], 0.0);
+ data[0] = 1.0 - MIN(t, 1.0);
+ t = MAX(data[1], 0.0);
+ data[1] = 1.0 - MIN(t, 1.0);
+ t = MAX(data[2], 0.0);
+ data[2] = 1.0 - MIN(t, 1.0);
+ break;
+ case 2:
+ data[0] = 2.0 * MAX(0.0, data[0]) - 1.0;
+ data[1] = 2.0 * MAX(0.0, data[1]) - 1.0;
+ data[2] = 2.0 * MAX(0.0, data[2]) - 1.0;
+ break;
+ case 3:
+ data[0] = -2.0 * MAX(0.0, data[0]) + 1.0;
+ data[1] = -2.0 * MAX(0.0, data[1]) + 1.0;
+ data[2] = -2.0 * MAX(0.0, data[2]) + 1.0;
+ break;
+ case 4:
+ data[0] = MAX(0.0, data[0]) - 0.5;
+ data[1] = MAX(0.0, data[1]) - 0.5;
+ data[2] = MAX(0.0, data[2]) - 0.5;
+ break;
+ case 5:
+ data[0] = -MAX(0.0, data[0]) + 0.5;
+ data[1] = -MAX(0.0, data[1]) + 0.5;
+ data[2] = -MAX(0.0, data[2]) + 0.5;
+ break;
+ case 6:
+ return;
+ case 7:
+ default:
+ data[0] = -data[0];
+ data[1] = -data[1];
+ data[2] = -data[2];
+ break;
+ }
+}
+
+void nv2a_renderer::combiner_initialize_registers(UINT32 argb8[6])
+{
+ combiner_argb8_float(argb8[0], combiner.register_primarycolor);
+ combiner_argb8_float(argb8[1], combiner.register_secondarycolor);
+ combiner_argb8_float(argb8[2], combiner.register_texture0color);
+ combiner_argb8_float(argb8[3], combiner.register_texture1color);
+ combiner_argb8_float(argb8[4], combiner.register_texture2color);
+ combiner_argb8_float(argb8[5], combiner.register_texture3color);
+ combiner.register_spare0[3] = combiner.register_texture0color[3];
+ combiner.register_zero[0] = combiner.register_zero[1] = combiner.register_zero[2] = combiner.register_zero[3] = 0;
+}
+
+void nv2a_renderer::combiner_initialize_stage(int stage_number)
+{
+ int n = stage_number;
+
+ // put register_constantcolor0 in register_color0
+ combiner.register_color0[0] = combiner.stage[n].register_constantcolor0[0];
+ combiner.register_color0[1] = combiner.stage[n].register_constantcolor0[1];
+ combiner.register_color0[2] = combiner.stage[n].register_constantcolor0[2];
+ combiner.register_color0[3] = combiner.stage[n].register_constantcolor0[3];
+ // put register_constantcolor1 in register_color1
+ combiner.register_color1[0] = combiner.stage[n].register_constantcolor1[0];
+ combiner.register_color1[1] = combiner.stage[n].register_constantcolor1[1];
+ combiner.register_color1[2] = combiner.stage[n].register_constantcolor1[2];
+ combiner.register_color1[3] = combiner.stage[n].register_constantcolor1[3];
+}
+
+void nv2a_renderer::combiner_initialize_final()
+{
+ // put register_constantcolor0 in register_color0
+ combiner.register_color0[0] = combiner.final.register_constantcolor0[0];
+ combiner.register_color0[1] = combiner.final.register_constantcolor0[1];
+ combiner.register_color0[2] = combiner.final.register_constantcolor0[2];
+ combiner.register_color0[3] = combiner.final.register_constantcolor0[3];
+ // put register_constantcolor1 in register_color1
+ combiner.register_color1[0] = combiner.final.register_constantcolor1[0];
+ combiner.register_color1[1] = combiner.final.register_constantcolor1[1];
+ combiner.register_color1[2] = combiner.final.register_constantcolor1[2];
+ combiner.register_color1[3] = combiner.final.register_constantcolor1[3];
+}
+
+void nv2a_renderer::combiner_map_input(int stage_number)
+{
+ int n = stage_number;
+ int c, d, i;
+ float v, *pv;
+
+ // A
+ v = combiner_map_input_select(combiner.stage[n].mapin_aA_input, 2 + combiner.stage[n].mapin_aA_component);
+ combiner.variable_A[3] = combiner_map_input_function(combiner.stage[n].mapin_aA_mapping, v);
+ // B
+ v = combiner_map_input_select(combiner.stage[n].mapin_aB_input, 2 + combiner.stage[n].mapin_aB_component);
+ combiner.variable_B[3] = combiner_map_input_function(combiner.stage[n].mapin_aB_mapping, v);
+ // C
+ v = combiner_map_input_select(combiner.stage[n].mapin_aC_input, 2 + combiner.stage[n].mapin_aC_component);
+ combiner.variable_C[3] = combiner_map_input_function(combiner.stage[n].mapin_aC_mapping, v);
+ // D
+ v = combiner_map_input_select(combiner.stage[n].mapin_aD_input, 2 + combiner.stage[n].mapin_aD_component);
+ combiner.variable_D[3] = combiner_map_input_function(combiner.stage[n].mapin_aD_mapping, v);
+
+ // A
+ pv = combiner_map_input_select3(combiner.stage[n].mapin_rgbA_input);
+ c = combiner.stage[n].mapin_rgbA_component * 3;
+ i = ~combiner.stage[n].mapin_rgbA_component & 1;
+ for (d = 0; d < 3; d++) {
+ combiner.variable_A[d] = pv[c];
+ c = c + i;
+ }
+ combiner_map_input_function3(combiner.stage[n].mapin_rgbA_mapping, combiner.variable_A);
+ // B
+ pv = combiner_map_input_select3(combiner.stage[n].mapin_rgbB_input);
+ c = combiner.stage[n].mapin_rgbB_component * 3;
+ i = ~combiner.stage[n].mapin_rgbB_component & 1;
+ for (d = 0; d < 3; d++) {
+ combiner.variable_B[d] = pv[c];
+ c = c + i;
+ }
+ combiner_map_input_function3(combiner.stage[n].mapin_rgbB_mapping, combiner.variable_B);
+ // C
+ pv = combiner_map_input_select3(combiner.stage[n].mapin_rgbC_input);
+ c = combiner.stage[n].mapin_rgbC_component * 3;
+ i = ~combiner.stage[n].mapin_rgbC_component & 1;
+ for (d = 0; d < 3; d++) {
+ combiner.variable_C[d] = pv[c];
+ c = c + i;
+ }
+ combiner_map_input_function3(combiner.stage[n].mapin_rgbC_mapping, combiner.variable_C);
+ // D
+ pv = combiner_map_input_select3(combiner.stage[n].mapin_rgbD_input);
+ c = combiner.stage[n].mapin_rgbD_component * 3;
+ i = ~combiner.stage[n].mapin_rgbD_component & 1;
+ for (d = 0; d < 3; d++) {
+ combiner.variable_D[d] = pv[c];
+ c = c + i;
+ }
+ combiner_map_input_function3(combiner.stage[n].mapin_rgbD_mapping, combiner.variable_D);
+}
+
+void nv2a_renderer::combiner_map_output(int stage_number)
+{
+ int n = stage_number;
+ float *f;
+
+ // rgb
+ f = combiner_map_output_select3(combiner.stage[n].mapout_rgbAB_output);
+ if (f) {
+ f[0] = combiner.function_RGBop1[0];
+ f[1] = combiner.function_RGBop1[1];
+ f[2] = combiner.function_RGBop1[2];
+ }
+ f = combiner_map_output_select3(combiner.stage[n].mapout_rgbCD_output);
+ if (f) {
+ f[0] = combiner.function_RGBop2[0];
+ f[1] = combiner.function_RGBop2[1];
+ f[2] = combiner.function_RGBop2[2];
+ }
+ if ((combiner.stage[n].mapout_rgbAB_dotproduct | combiner.stage[n].mapout_rgbCD_dotproduct) == 0) {
+ f = combiner_map_output_select3(combiner.stage[n].mapout_rgbSUM_output);
+ if (f) {
+ f[0] = combiner.function_RGBop3[0];
+ f[1] = combiner.function_RGBop3[1];
+ f[2] = combiner.function_RGBop3[2];
+ }
+ }
+ // a
+ f = combiner_map_output_select3(combiner.stage[n].mapout_aAB_output);
+ if (f)
+ f[3] = combiner.function_Aop1;
+ f = combiner_map_output_select3(combiner.stage[n].mapout_aCD_output);
+ if (f)
+ f[3] = combiner.function_Aop2;
+ f = combiner_map_output_select3(combiner.stage[n].mapout_aSUM_output);
+ if (f)
+ f[3] = combiner.function_Aop3;
+}
+
+void nv2a_renderer::combiner_map_final_input()
+{
+ int i, c, d;
+ float *pv;
+
+ // E
+ pv = combiner_map_input_select3(combiner.final.mapin_rgbE_input);
+ c = combiner.final.mapin_rgbE_component * 3;
+ i = ~combiner.final.mapin_rgbE_component & 1;
+ for (d = 0; d < 3; d++) {
+ combiner.variable_E[d] = pv[c];
+ c = c + i;
+ }
+ combiner_map_input_function3(combiner.final.mapin_rgbE_mapping, combiner.variable_E);
+ // F
+ pv = combiner_map_input_select3(combiner.final.mapin_rgbF_input);
+ c = combiner.final.mapin_rgbF_component * 3;
+ i = ~combiner.final.mapin_rgbF_component & 1;
+ for (d = 0; d < 3; d++) {
+ combiner.variable_F[d] = pv[c];
+ c = c + i;
+ }
+ combiner_map_input_function3(combiner.final.mapin_rgbF_mapping, combiner.variable_F);
+ // EF
+ combiner.variable_EF[0] = combiner.variable_E[0] * combiner.variable_F[0];
+ combiner.variable_EF[1] = combiner.variable_E[1] * combiner.variable_F[1];
+ combiner.variable_EF[2] = combiner.variable_E[2] * combiner.variable_F[2];
+ // sumclamp
+ combiner.variable_sumclamp[0] = MAX(0, combiner.register_spare0[0]) + MAX(0, combiner.register_secondarycolor[0]);
+ combiner.variable_sumclamp[1] = MAX(0, combiner.register_spare0[1]) + MAX(0, combiner.register_secondarycolor[1]);
+ combiner.variable_sumclamp[2] = MAX(0, combiner.register_spare0[2]) + MAX(0, combiner.register_secondarycolor[2]);
+ if (combiner.final.color_sum_clamp != 0) {
+ combiner.variable_sumclamp[0] = MIN(combiner.variable_sumclamp[0], 1.0);
+ combiner.variable_sumclamp[1] = MIN(combiner.variable_sumclamp[1], 1.0);
+ combiner.variable_sumclamp[2] = MIN(combiner.variable_sumclamp[2], 1.0);
+ }
+ // A
+ pv = combiner_map_input_select3(combiner.final.mapin_rgbA_input);
+ c = combiner.final.mapin_rgbA_component * 3;
+ i = ~combiner.final.mapin_rgbA_component & 1;
+ for (d = 0; d < 3; d++) {
+ combiner.variable_A[d] = pv[c];
+ c = c + i;
+ }
+ combiner_map_input_function3(combiner.final.mapin_rgbA_mapping, combiner.variable_A);
+ // B
+ pv = combiner_map_input_select3(combiner.final.mapin_rgbB_input);
+ c = combiner.final.mapin_rgbB_component * 3;
+ i = ~combiner.final.mapin_rgbB_component & 1;
+ for (d = 0; d < 3; d++) {
+ combiner.variable_B[d] = pv[c];
+ c = c + i;
+ }
+ combiner_map_input_function3(combiner.final.mapin_rgbB_mapping, combiner.variable_B);
+ // C
+ pv = combiner_map_input_select3(combiner.final.mapin_rgbC_input);
+ c = combiner.final.mapin_rgbC_component * 3;
+ i = ~combiner.final.mapin_rgbC_component & 1;
+ for (d = 0; d < 3; d++) {
+ combiner.variable_C[d] = pv[c];
+ c = c + i;
+ }
+ combiner_map_input_function3(combiner.final.mapin_rgbC_mapping, combiner.variable_C);
+ // D
+ pv = combiner_map_input_select3(combiner.final.mapin_rgbD_input);
+ c = combiner.final.mapin_rgbD_component * 3;
+ i = ~combiner.final.mapin_rgbD_component & 1;
+ for (d = 0; d < 3; d++) {
+ combiner.variable_D[d] = pv[c];
+ c = c + i;
+ }
+ combiner_map_input_function3(combiner.final.mapin_rgbD_mapping, combiner.variable_D);
+ // G
+ combiner.variable_G = combiner_map_input_select(combiner.final.mapin_aG_input, 2 + combiner.final.mapin_aG_component);
+}
+
+void nv2a_renderer::combiner_final_output()
+{
+ // rgb
+ combiner.output[0] = combiner.variable_A[0] * combiner.variable_B[0] + (1.0 - combiner.variable_A[0])*combiner.variable_C[0] + combiner.variable_D[0];
+ combiner.output[1] = combiner.variable_A[1] * combiner.variable_B[1] + (1.0 - combiner.variable_A[1])*combiner.variable_C[1] + combiner.variable_D[1];
+ combiner.output[2] = combiner.variable_A[2] * combiner.variable_B[2] + (1.0 - combiner.variable_A[2])*combiner.variable_C[2] + combiner.variable_D[2];
+ combiner.output[0] = MIN(combiner.output[0], 1.0);
+ combiner.output[1] = MIN(combiner.output[1], 1.0);
+ combiner.output[2] = MIN(combiner.output[2], 1.0);
+ // a
+ combiner.output[3] = combiner_map_input_function(combiner.final.mapin_aG_mapping, combiner.variable_G);
+}
+
+void nv2a_renderer::combiner_function_AB(float result[4])
+{
+ result[0] = combiner.variable_A[0] * combiner.variable_B[0];
+ result[1] = combiner.variable_A[1] * combiner.variable_B[1];
+ result[2] = combiner.variable_A[2] * combiner.variable_B[2];
+}
+
+void nv2a_renderer::combiner_function_AdotB(float result[4])
+{
+ result[0] = combiner.variable_A[0] * combiner.variable_B[0] + combiner.variable_A[1] * combiner.variable_B[1] + combiner.variable_A[2] * combiner.variable_B[2];
+ result[1] = result[0];
+ result[2] = result[0];
+}
+
+void nv2a_renderer::combiner_function_CD(float result[4])
+{
+ result[0] = combiner.variable_C[0] * combiner.variable_D[0];
+ result[1] = combiner.variable_C[1] * combiner.variable_D[1];
+ result[2] = combiner.variable_C[2] * combiner.variable_D[2];
+}
+
+void nv2a_renderer::combiner_function_CdotD(float result[4])
+{
+ result[0] = combiner.variable_C[0] * combiner.variable_D[0] + combiner.variable_C[1] * combiner.variable_D[1] + combiner.variable_C[2] * combiner.variable_D[2];
+ result[1] = result[0];
+ result[2] = result[0];
+}
+
+void nv2a_renderer::combiner_function_ABmuxCD(float result[4])
+{
+ if (combiner.register_spare0[3] >= 0.5)
+ combiner_function_AB(result);
+ else
+ combiner_function_CD(result);
+}
+
+void nv2a_renderer::combiner_function_ABsumCD(float result[4])
+{
+ result[0] = combiner.variable_A[0] * combiner.variable_B[0] + combiner.variable_C[0] * combiner.variable_D[0];
+ result[1] = combiner.variable_A[1] * combiner.variable_B[1] + combiner.variable_C[1] * combiner.variable_D[1];
+ result[2] = combiner.variable_A[2] * combiner.variable_B[2] + combiner.variable_C[2] * combiner.variable_D[2];
+}
+
+void nv2a_renderer::combiner_compute_rgb_outputs(int stage_number)
+{
+ int n = stage_number;
+ int m;
+ float biasrgb, scalergb;
+
+ if (combiner.stage[n].mapout_rgb_bias)
+ biasrgb = -0.5;
+ else
+ biasrgb = 0;
+ switch (combiner.stage[n].mapout_rgb_scale) {
+ case 0:
+ default:
+ scalergb = 1.0;
+ break;
+ case 1:
+ scalergb = 2.0;
+ break;
+ case 2:
+ scalergb = 4.0;
+ break;
+ case 3:
+ scalergb = 0.5;
+ break;
+ }
+ if (combiner.stage[n].mapout_rgbAB_dotproduct) {
+ m = 1;
+ combiner_function_AdotB(combiner.function_RGBop1);
+ }
+ else {
+ m = 0;
+ combiner_function_AB(combiner.function_RGBop1);
+ }
+ combiner.function_RGBop1[0] = MAX(MIN((combiner.function_RGBop1[0] + biasrgb) * scalergb, 1.0), -1.0);
+ combiner.function_RGBop1[1] = MAX(MIN((combiner.function_RGBop1[1] + biasrgb) * scalergb, 1.0), -1.0);
+ combiner.function_RGBop1[2] = MAX(MIN((combiner.function_RGBop1[2] + biasrgb) * scalergb, 1.0), -1.0);
+ if (combiner.stage[n].mapout_rgbCD_dotproduct) {
+ m = m | 1;
+ combiner_function_CdotD(combiner.function_RGBop2);
+ }
+ else
+ combiner_function_CD(combiner.function_RGBop2);
+ combiner.function_RGBop2[0] = MAX(MIN((combiner.function_RGBop2[0] + biasrgb) * scalergb, 1.0), -1.0);
+ combiner.function_RGBop2[1] = MAX(MIN((combiner.function_RGBop2[1] + biasrgb) * scalergb, 1.0), -1.0);
+ combiner.function_RGBop2[2] = MAX(MIN((combiner.function_RGBop2[2] + biasrgb) * scalergb, 1.0), -1.0);
+ if (m == 0) {
+ if (combiner.stage[n].mapout_rgb_muxsum)
+ combiner_function_ABmuxCD(combiner.function_RGBop3);
+ else
+ combiner_function_ABsumCD(combiner.function_RGBop3);
+ combiner.function_RGBop3[0] = MAX(MIN((combiner.function_RGBop3[0] + biasrgb) * scalergb, 1.0), -1.0);
+ combiner.function_RGBop3[1] = MAX(MIN((combiner.function_RGBop3[1] + biasrgb) * scalergb, 1.0), -1.0);
+ combiner.function_RGBop3[2] = MAX(MIN((combiner.function_RGBop3[2] + biasrgb) * scalergb, 1.0), -1.0);
+ }
+}
+
+void nv2a_renderer::combiner_compute_a_outputs(int stage_number)
+{
+ int n = stage_number;
+ float biasa, scalea;
+
+ if (combiner.stage[n].mapout_a_bias)
+ biasa = -0.5;
+ else
+ biasa = 0;
+ switch (combiner.stage[n].mapout_a_scale) {
+ case 0:
+ default:
+ scalea = 1.0;
+ break;
+ case 1:
+ scalea = 2.0;
+ break;
+ case 2:
+ scalea = 4.0;
+ break;
+ case 3:
+ scalea = 0.5;
+ break;
+ }
+ combiner.function_Aop1 = combiner.variable_A[3] * combiner.variable_B[3];
+ combiner.function_Aop1 = MAX(MIN((combiner.function_Aop1 + biasa) * scalea, 1.0), -1.0);
+ combiner.function_Aop2 = combiner.variable_C[3] * combiner.variable_D[3];
+ combiner.function_Aop2 = MAX(MIN((combiner.function_Aop2 + biasa) * scalea, 1.0), -1.0);
+ if (combiner.stage[n].mapout_a_muxsum) {
+ if (combiner.register_spare0[3] >= 0.5)
+ combiner.function_Aop3 = combiner.variable_A[3] * combiner.variable_B[3];
+ else
+ combiner.function_Aop3 = combiner.variable_C[3] * combiner.variable_D[3];
+ }
+ else
+ combiner.function_Aop3 = combiner.variable_A[3] * combiner.variable_B[3] + combiner.variable_C[3] * combiner.variable_D[3];
+ combiner.function_Aop3 = MAX(MIN((combiner.function_Aop3 + biasa) * scalea, 1.0), -1.0);
+}
+
+bool nv2a_renderer::vblank_callback(screen_device &screen, bool state)
+{
+ //printf("vblank_callback\n\r");
+ if (state == true)
+ pcrtc[0x100 / 4] |= 1;
+ else
+ pcrtc[0x100 / 4] &= ~1;
+ if (pcrtc[0x100 / 4] & pcrtc[0x140 / 4])
+ pmc[0x100 / 4] |= 0x1000000;
+ else
+ pmc[0x100 / 4] &= ~0x1000000;
+ if ((pmc[0x100 / 4] != 0) && (pmc[0x140 / 4] != 0)) {
+ // send interrupt
+ return true;
+ }
+ else
+ return false;
+}
+
+UINT32 nv2a_renderer::screen_update_callback(screen_device &screen, bitmap_rgb32 &bitmap, const rectangle &cliprect)
+{
+ UINT32 *dst = (UINT32 *)bitmap.raw_pixptr(0, 0);
+ UINT32 *src = (UINT32 *)fb.raw_pixptr(0, 0);
+
+ //printf("updatescreen\n\r");
+ memcpy(dst, src, bitmap.rowbytes()*bitmap.height());
+ return 0;
+}
+
+READ32_MEMBER(nv2a_renderer::geforce_r)
+{
+ static int x, ret;
+
+ ret = 0;
+ if (offset == 0x1804f6) {
+ x = x ^ 0x08080808;
+ ret = x;
+ }
+ if ((offset >= 0x00101000 / 4) && (offset < 0x00102000 / 4)) {
+ //logerror("NV_2A: read STRAPS[%06X] mask %08X value %08X\n",offset*4-0x00101000,mem_mask,ret);
+ }
+ else if ((offset >= 0x00002000 / 4) && (offset < 0x00004000 / 4)) {
+ ret = pfifo[offset - 0x00002000 / 4];
+ // PFIFO.CACHE1.STATUS or PFIFO.RUNOUT_STATUS
+ if ((offset == 0x3214 / 4) || (offset == 0x2400 / 4))
+ ret = 0x10;
+ //logerror("NV_2A: read PFIFO[%06X] value %08X\n",offset*4-0x00002000,ret);
+ }
+ else if ((offset >= 0x00700000 / 4) && (offset < 0x00800000 / 4)) {
+ ret = ramin[offset - 0x00700000 / 4];
+ //logerror("NV_2A: read PRAMIN[%06X] value %08X\n",offset*4-0x00700000,ret);
+ }
+ else if ((offset >= 0x00400000 / 4) && (offset < 0x00402000 / 4)) {
+ //logerror("NV_2A: read PGRAPH[%06X] value %08X\n",offset*4-0x00400000,ret);
+ }
+ else if ((offset >= 0x00600000 / 4) && (offset < 0x00601000 / 4)) {
+ ret = pcrtc[offset - 0x00600000 / 4];
+ //logerror("NV_2A: read PCRTC[%06X] value %08X\n",offset*4-0x00600000,ret);
+ }
+ else if ((offset >= 0x00000000 / 4) && (offset < 0x00001000 / 4)) {
+ ret = pmc[offset - 0x00000000 / 4];
+ //logerror("NV_2A: read PMC[%06X] value %08X\n",offset*4-0x00000000,ret);
+ }
+ else if ((offset >= 0x00800000 / 4) && (offset < 0x00900000 / 4)) {
+ // 32 channels size 0x10000 each, 8 subchannels per channel size 0x2000 each
+ int chanel, subchannel, suboffset;
+
+ suboffset = offset - 0x00800000 / 4;
+ chanel = (suboffset >> (16 - 2)) & 31;
+ subchannel = (suboffset >> (13 - 2)) & 7;
+ suboffset = suboffset & 0x7ff;
+ if (suboffset < 0x80 / 4)
+ ret = channel[chanel][subchannel].regs[suboffset];
+ //logerror("NV_2A: read channel[%02X,%d,%04X]=%08X\n",chanel,subchannel,suboffset*4,ret);
+ return ret;
+ }
+ else;
+ //logerror("NV_2A: read at %08X mask %08X value %08X\n",0xfd000000+offset*4,mem_mask,ret);
+ return ret;
+}
+
+WRITE32_MEMBER(nv2a_renderer::geforce_w)
+{
+ if ((offset >= 0x00101000 / 4) && (offset < 0x00102000 / 4)) {
+ //logerror("NV_2A: write STRAPS[%06X] mask %08X value %08X\n",offset*4-0x00101000,mem_mask,data);
+ }
+ else if ((offset >= 0x00002000 / 4) && (offset < 0x00004000 / 4)) {
+ int e = offset - 0x00002000 / 4;
+ if (e >= (sizeof(pfifo) / sizeof(UINT32)))
+ return;
+ COMBINE_DATA(pfifo + e);
+ //logerror("NV_2A: read PFIFO[%06X]=%08X\n",offset*4-0x00002000,data & mem_mask); // 2210 pfifo ramht & 1f0 << 12
+ }
+ else if ((offset >= 0x00700000 / 4) && (offset < 0x00800000 / 4)) {
+ int e = offset - 0x00700000 / 4;
+ if (e >= (sizeof(ramin) / sizeof(UINT32)))
+ return;
+ COMBINE_DATA(ramin + e);
+ //logerror("NV_2A: write PRAMIN[%06X]=%08X\n",offset*4-0x00700000,data & mem_mask);
+ }
+ else if ((offset >= 0x00400000 / 4) && (offset < 0x00402000 / 4)) {
+ //logerror("NV_2A: write PGRAPH[%06X]=%08X\n",offset*4-0x00400000,data & mem_mask);
+ }
+ else if ((offset >= 0x00600000 / 4) && (offset < 0x00601000 / 4)) {
+ int e = offset - 0x00600000 / 4;
+ if (e >= (sizeof(pcrtc) / sizeof(UINT32)))
+ return;
+ COMBINE_DATA(pcrtc + e);
+ //logerror("NV_2A: write PCRTC[%06X]=%08X\n",offset*4-0x00600000,data & mem_mask);
+ }
+ else if ((offset >= 0x00000000 / 4) && (offset < 0x00001000 / 4)) {
+ int e = offset - 0x00000000 / 4;
+ if (e >= (sizeof(pmc) / sizeof(UINT32)))
+ return;
+ COMBINE_DATA(pmc + e);
+ //logerror("NV_2A: write PMC[%06X]=%08X\n",offset*4-0x00000000,data & mem_mask);
+ }
+ else if ((offset >= 0x00800000 / 4) && (offset < 0x00900000 / 4)) {
+ // 32 channels size 0x10000 each, 8 subchannels per channel size 0x2000 each
+ int chanel, subchannel, suboffset;
+ int method, count, handle, objclass;
+#ifdef LOG_NV2A
+ int subch;
+#endif
+
+ suboffset = offset - 0x00800000 / 4;
+ chanel = (suboffset >> (16 - 2)) & 31;
+ subchannel = (suboffset >> (13 - 2)) & 7;
+ suboffset = suboffset & 0x7ff;
+ //logerror("NV_2A: write channel[%02X,%d,%04X]=%08X\n",chanel,subchannel,suboffset*4,data & mem_mask);
+ if (suboffset >= 0x80 / 4)
+ return;
+ COMBINE_DATA(&channel[chanel][subchannel].regs[suboffset]);
+ if ((suboffset == 0x40 / 4) || (suboffset == 0x44 / 4)) { // DMA_PUT or DMA_GET
+ UINT32 *dmaput, *dmaget;
+ UINT32 cmd, cmdtype;
+ int countlen;
+
+ dmaput = &channel[chanel][subchannel].regs[0x40 / 4];
+ dmaget = &channel[chanel][subchannel].regs[0x44 / 4];
+ //printf("dmaget %08X dmaput %08X\n\r",*dmaget,*dmaput);
+ if ((*dmaput == 0x048cf000) && (*dmaget == 0x07f4d000))
+ *dmaget = *dmaput;
+ while (*dmaget != *dmaput) {
+ cmd = space.read_dword(*dmaget);
+ *dmaget += 4;
+ cmdtype = geforce_commandkind(cmd);
+ switch (cmdtype)
+ {
+ case 6: // jump
+#ifdef LOG_NV2A
+ printf("jump dmaget %08X", *dmaget);
+#endif
+ *dmaget = cmd & 0xfffffffc;
+#ifdef LOG_NV2A
+ printf(" -> %08X\n\r", *dmaget);
+#endif
+ break;
+ case 0: // increasing method
+ method = (cmd >> 2) & 2047; // method*4 is address // if method >= 0x40 send it to assigned object
+#ifdef LOG_NV2A
+ subch = (cmd >> 13) & 7;
+#endif
+ count = (cmd >> 18) & 2047;
+ if ((method == 0) && (count == 1)) {
+ handle = space.read_dword(*dmaget);
+ handle = geforce_object_offset(handle);
+#ifdef LOG_NV2A
+ logerror(" assign to subchannel %d object at %d\n", subch, handle);
+#endif
+ channel[chanel][subchannel].object.objhandle = handle;
+ handle = ramin[handle / 4];
+ objclass = handle & 0xff;
+ channel[chanel][subchannel].object.objclass = objclass;
+ *dmaget += 4;
+ }
+ else {
+#ifdef LOG_NV2A
+ logerror(" subch. %d method %04x offset %04x count %d\n", subch, method, method * 4, count);
+#endif
+ while (count > 0) {
+ countlen = 1;
+ geforce_exec_method(space, chanel, subchannel, method, *dmaget, countlen);
+ count--;
+ method++;
+ *dmaget += 4;
+ }
+ }
+ break;
+ case 5: // non-increasing method
+ method = (cmd >> 2) & 2047;
+#ifdef LOG_NV2A
+ subch = (cmd >> 13) & 7;
+#endif
+ count = (cmd >> 18) & 2047;
+ if ((method == 0) && (count == 1)) {
+#ifdef LOG_NV2A
+ logerror(" assign channel %d\n", subch);
+#endif
+ handle = space.read_dword(*dmaget);
+ handle = geforce_object_offset(handle);
+#ifdef LOG_NV2A
+ logerror(" assign to subchannel %d object at %d\n", subch, handle);
+#endif
+ channel[chanel][subchannel].object.objhandle = handle;
+ handle = ramin[handle / 4];
+ objclass = handle & 0xff;
+ channel[chanel][subchannel].object.objclass = objclass;
+ *dmaget += 4;
+ }
+ else {
+#ifdef LOG_NV2A
+ logerror(" subch. %d method %04x offset %04x count %d\n", subch, method, method * 4, count);
+#endif
+ while (count > 0) {
+ countlen = count;
+ geforce_exec_method(space, chanel, subchannel, method, *dmaget, countlen);
+ *dmaget += 4 * (count - countlen);
+ count = countlen;
+ }
+ }
+ break;
+ case 3: // long non-increasing method
+ method = (cmd >> 2) & 2047;
+#ifdef LOG_NV2A
+ subch = (cmd >> 13) & 7;
+#endif
+ count = space.read_dword(*dmaget);
+ *dmaget += 4;
+ if ((method == 0) && (count == 1)) {
+ handle = space.read_dword(*dmaget);
+ handle = geforce_object_offset(handle);
+#ifdef LOG_NV2A
+ logerror(" assign to subchannel %d object at %d\n", subch, handle);
+#endif
+ channel[chanel][subchannel].object.objhandle = handle;
+ handle = ramin[handle / 4];
+ objclass = handle & 0xff;
+ channel[chanel][subchannel].object.objclass = objclass;
+ *dmaget += 4;
+ }
+ else {
+#ifdef LOG_NV2A
+ logerror(" subch. %d method %04x offset %04x count %d\n", subch, method, method * 4, count);
+#endif
+ while (count > 0) {
+ countlen = count;
+ geforce_exec_method(space, chanel, subchannel, method, *dmaget, countlen);
+ *dmaget += 4 * (count - countlen);
+ count = countlen;
+ }
+ }
+ break;
+ default:
+ logerror(" unimplemented command %08X\n", cmd);
+ }
+ }
+ }
+ }
+ else;
+ // logerror("NV_2A: write at %08X mask %08X value %08X\n",0xfd000000+offset*4,mem_mask,data);
+}