diff options
Diffstat (limited to 'src/osd/modules/render/bgfxutil.cpp')
-rw-r--r-- | src/osd/modules/render/bgfxutil.cpp | 118 |
1 files changed, 93 insertions, 25 deletions
diff --git a/src/osd/modules/render/bgfxutil.cpp b/src/osd/modules/render/bgfxutil.cpp index 5ba76cbd2a1..3d555bb60ad 100644 --- a/src/osd/modules/render/bgfxutil.cpp +++ b/src/osd/modules/render/bgfxutil.cpp @@ -7,42 +7,97 @@ //============================================================ // MAMEOS headers -#include "emu.h" #include "bgfxutil.h" #include "copyutil.h" +#include "emucore.h" #include "render.h" -const bgfx::Memory* bgfx_util::mame_texture_data_to_bgfx_texture_data(uint32_t format, int width, int height, int rowpixels, const rgb_t *palette, void *base) +const bgfx::Memory* bgfx_util::mame_texture_data_to_bgfx_texture_data(bgfx::TextureFormat::Enum &dst_format, uint32_t src_format, int rowpixels, int width_margin, int height, const rgb_t *palette, void *base, uint16_t &out_pitch, int &width_div_factor, int &width_mul_factor) { - const bgfx::Memory* mem = bgfx::alloc(width * height * 4); - uint32_t* data = reinterpret_cast<uint32_t*>(mem->data); - uint16_t* src16 = reinterpret_cast<uint16_t*>(base); - uint32_t* src32 = reinterpret_cast<uint32_t*>(base); + bgfx::TextureInfo info; + const bgfx::Memory *data = nullptr; + uint8_t *adjusted_base = (uint8_t *)base; + + switch (src_format) + { + case PRIMFLAG_TEXFORMAT(TEXFORMAT_YUY16): + dst_format = bgfx::TextureFormat::BGRA8; + width_div_factor = 2; + width_mul_factor = 1; + out_pitch = rowpixels * 2; + bgfx::calcTextureSize(info, rowpixels / width_div_factor, height, 1, false, false, 1, dst_format); + + if (width_margin) + { + adjusted_base -= width_margin * 2; + } + data = bgfx::copy(adjusted_base, info.storageSize); + break; + case PRIMFLAG_TEXFORMAT(TEXFORMAT_PALETTE16): + dst_format = bgfx::TextureFormat::R8; + width_div_factor = 1; + width_mul_factor = 2; + out_pitch = rowpixels * 2; + bgfx::calcTextureSize(info, rowpixels * width_mul_factor, height, 1, false, false, 1, dst_format); + + if (width_margin) + { + adjusted_base -= width_margin * 2; + } + data = bgfx::copy(adjusted_base, info.storageSize); + break; + case PRIMFLAG_TEXFORMAT(TEXFORMAT_ARGB32): + case PRIMFLAG_TEXFORMAT(TEXFORMAT_RGB32): + dst_format = bgfx::TextureFormat::BGRA8; + width_div_factor = 1; + width_mul_factor = 1; + out_pitch = rowpixels * 4; + bgfx::calcTextureSize(info, rowpixels, height, 1, false, false, 1, dst_format); + + if (width_margin) + { + adjusted_base -= width_margin * 4; + } + data = bgfx::copy(adjusted_base, info.storageSize); + break; + } + + return data; +} + +const bgfx::Memory* bgfx_util::mame_texture_data_to_bgra32(uint32_t src_format, int width, int height, int rowpixels, const rgb_t *palette, void *base) +{ + const bgfx::Memory* mem = bgfx::alloc(rowpixels * height * 4); + auto* dst = reinterpret_cast<uint32_t*>(mem->data); + auto* src16 = reinterpret_cast<uint16_t*>(base); + auto* src32 = reinterpret_cast<uint32_t*>(base); for (int y = 0; y < height; y++) { - uint32_t* dst_line = data + y * width; - uint16_t* src_line16 = src16 + y * rowpixels; - uint32_t* src_line32 = src32 + y * rowpixels; - switch (format) + switch (src_format) { - case PRIMFLAG_TEXFORMAT(TEXFORMAT_PALETTE16): - copy_util::copyline_palette16(dst_line, src_line16, width, palette); - break; - case PRIMFLAG_TEXFORMAT(TEXFORMAT_YUY16): - copy_util::copyline_yuy16_to_argb(dst_line, src_line16, width, palette, 1); - break; - case PRIMFLAG_TEXFORMAT(TEXFORMAT_ARGB32): - copy_util::copyline_argb32(dst_line, src_line32, width, palette); - break; - case PRIMFLAG_TEXFORMAT(TEXFORMAT_RGB32): - copy_util::copyline_rgb32(dst_line, src_line32, width, palette); - break; - default: - break; + case PRIMFLAG_TEXFORMAT(TEXFORMAT_PALETTE16): + copy_util::copyline_palette16_to_bgra(dst, src16, width, palette); + src16 += rowpixels; + break; + case PRIMFLAG_TEXFORMAT(TEXFORMAT_YUY16): + copy_util::copyline_yuy16_to_bgra(dst, src16, width, palette, 1); + src16 += rowpixels; + break; + case PRIMFLAG_TEXFORMAT(TEXFORMAT_ARGB32): + copy_util::copyline_argb32_to_bgra(dst, src32, width, palette); + src32 += rowpixels; + break; + case PRIMFLAG_TEXFORMAT(TEXFORMAT_RGB32): + copy_util::copyline_rgb32_to_bgra(dst, src32, width, palette); + src32 += rowpixels; + break; + default: + break; } + dst += width; } return mem; } @@ -54,7 +109,8 @@ uint64_t bgfx_util::get_blend_state(uint32_t blend) case BLENDMODE_ALPHA: return BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_SRC_ALPHA, BGFX_STATE_BLEND_INV_SRC_ALPHA); case BLENDMODE_RGB_MULTIPLY: - return BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_DST_COLOR, BGFX_STATE_BLEND_ZERO); + //return BGFX_STATE_BLEND_FUNC_SEPARATE(BGFX_STATE_BLEND_DST_COLOR, BGFX_STATE_BLEND_INV_SRC_COLOR, BGFX_STATE_BLEND_ONE, BGFX_STATE_BLEND_ZERO); + return BGFX_STATE_BLEND_FUNC_SEPARATE(BGFX_STATE_BLEND_DST_COLOR, BGFX_STATE_BLEND_ZERO, BGFX_STATE_BLEND_DST_ALPHA, BGFX_STATE_BLEND_ZERO); case BLENDMODE_ADD: return BGFX_STATE_BLEND_FUNC(BGFX_STATE_BLEND_SRC_ALPHA, BGFX_STATE_BLEND_ONE); default: @@ -62,3 +118,15 @@ uint64_t bgfx_util::get_blend_state(uint32_t blend) } return 0L; } + +void bgfx_util::find_prescale_factor(uint16_t width, uint16_t height, uint16_t max_prescale_size, uint16_t &xprescale, uint16_t &yprescale) +{ + while (xprescale > 1 && width * xprescale > max_prescale_size) + { + xprescale--; + } + while (yprescale > 1 && height * yprescale > max_prescale_size) + { + yprescale--; + } +} |