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author Miodrag Milanovic <mmicko@gmail.com>2015-11-08 12:56:12 +0100
committer Miodrag Milanovic <mmicko@gmail.com>2015-11-08 12:56:12 +0100
commit7c19aac60e12d6f5ea301bdb34d7826a01e0b06f (patch)
treef310d86aa2c6bfc19d115307dedde4eb0cd52dad /src/osd/modules/opengl/gl_shader_mgr.cpp
parenta57b46ae933badd7441ce1644711dbb851e2b504 (diff)
Rename *.c -> *.cpp in our source (nw)
Diffstat (limited to 'src/osd/modules/opengl/gl_shader_mgr.cpp')
-rw-r--r--src/osd/modules/opengl/gl_shader_mgr.cpp238
1 files changed, 238 insertions, 0 deletions
diff --git a/src/osd/modules/opengl/gl_shader_mgr.cpp b/src/osd/modules/opengl/gl_shader_mgr.cpp
new file mode 100644
index 00000000000..21ee7f9fc54
--- /dev/null
+++ b/src/osd/modules/opengl/gl_shader_mgr.cpp
@@ -0,0 +1,238 @@
+// license:BSD-3-Clause
+// copyright-holders:Sven Gothel
+#include <stdio.h> /* snprintf */
+#include <stdlib.h> /* malloc */
+
+#include "osdcomm.h"
+#include "osd_opengl.h"
+
+#include "gl_shader_mgr.h"
+#include "gl_shader_tool.h"
+
+#define GLSL_VERTEX_SHADER_INT_NUMBER 1 // general
+#define GLSL_VERTEX_SHADER_MAX_NUMBER 2 // general + custom
+#define GLSL_VERTEX_SHADER_CUSTOM 1 // custom idx
+
+#ifdef GLSL_SOURCE_ON_DISK
+
+static const char * glsl_mamebm_vsh_files [GLSL_VERTEX_SHADER_INT_NUMBER] =
+{
+ "/tmp/glsl_general.vsh" // general
+};
+
+static const char * glsl_mamebm_fsh_files [GLSL_SHADER_FEAT_INT_NUMBER] =
+{
+ "/tmp/glsl_plain_rgb32_dir.fsh", // rgb32 dir plain
+ "/tmp/glsl_bilinear_rgb32_dir.fsh" // rgb32 dir bilinear
+};
+
+#else // GLSL_SOURCE_ON_DISK
+
+#include "shader/glsl_general.vsh.c"
+
+#include "shader/glsl_plain_rgb32_dir.fsh.c"
+#include "shader/glsl_bilinear_rgb32_dir.fsh.c"
+
+static const char * glsl_mamebm_vsh_sources [GLSL_VERTEX_SHADER_INT_NUMBER] =
+{
+ glsl_general_vsh_src // general
+};
+
+static const char * glsl_mamebm_fsh_sources [GLSL_SHADER_FEAT_INT_NUMBER] =
+{
+ glsl_plain_rgb32_dir_fsh_src, // rgb32 dir plain
+ glsl_bilinear_rgb32_dir_fsh_src // rgb32 dir bilinear
+};
+
+#endif // GLSL_SOURCE_ON_DISK
+
+static const char * glsl_mamebm_filter_names [GLSL_SHADER_FEAT_MAX_NUMBER] =
+{
+ "plain",
+ "bilinear",
+ "custom"
+};
+
+static GLhandleARB glsl_mamebm_programs [GLSL_SHADER_FEAT_MAX_NUMBER+9] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* rgb32 dir: plain, bilinear, custom0-9, .. */
+};
+
+/**
+ * fragment shader -> vertex shader mapping
+ */
+static int glsl_mamebm_fsh2vsh[GLSL_SHADER_FEAT_MAX_NUMBER] =
+{
+ 0, // plain -> general
+ 0, // bilinear -> general
+ 1, // custom -> custom
+};
+
+static GLhandleARB glsl_mamebm_vsh_shader[GLSL_VERTEX_SHADER_MAX_NUMBER+9] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+}; /* general, custom0-9 */
+
+static GLhandleARB glsl_mamebm_fsh_shader [GLSL_SHADER_FEAT_MAX_NUMBER+9] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* rgb32 dir: plain, bilinear, custom0-9 */
+};
+
+static GLhandleARB glsl_scrn_programs [10] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 /* rgb32: custom0-9, .. */
+};
+
+static GLhandleARB glsl_scrn_vsh_shader[10] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+}; /* custom0-9 */
+
+static GLhandleARB glsl_scrn_fsh_shader [10] =
+{
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0
+}; /* rgb32: custom0-9 */
+
+const char * glsl_shader_get_filter_name_mamebm(int glslShaderFeature)
+{
+ if ( !(0 <= glslShaderFeature && glslShaderFeature < GLSL_SHADER_FEAT_MAX_NUMBER) )
+ return "illegal shader feature";
+
+ return glsl_mamebm_filter_names[glslShaderFeature];
+}
+
+GLhandleARB glsl_shader_get_program_mamebm(int glslShaderFeature, int idx)
+{
+ if ( !(0 <= glslShaderFeature && glslShaderFeature < GLSL_SHADER_FEAT_MAX_NUMBER) )
+ return 0;
+
+ return glsl_mamebm_programs[glslShaderFeature+idx];
+}
+
+GLhandleARB glsl_shader_get_program_scrn(int idx)
+{
+ if ( !(0 <= idx && idx < 10) )
+ return 0;
+
+ return glsl_scrn_programs[idx];
+}
+
+glsl_shader_info *glsl_shader_init(osd_gl_context *gl_ctx)
+{
+ int i,j, err;
+
+ err = gl_shader_loadExtention(gl_ctx);
+ if(err) return NULL;
+
+ for (i=0; !err && i<GLSL_VERTEX_SHADER_INT_NUMBER; i++)
+ {
+ #ifdef GLSL_SOURCE_ON_DISK
+ if(glsl_mamebm_vsh_files[i])
+ err = gl_compile_shader_file ( &glsl_mamebm_vsh_shader[i], GL_VERTEX_SHADER_ARB,
+ glsl_mamebm_vsh_files[i], 0);
+ #else
+ if(glsl_mamebm_vsh_sources[i])
+ err = gl_compile_shader_source( &glsl_mamebm_vsh_shader[i], GL_VERTEX_SHADER_ARB,
+ glsl_mamebm_vsh_sources[i], 0);
+ #endif
+ }
+
+ if(err) return NULL;
+
+ for (j=0; !err && j<GLSL_SHADER_FEAT_INT_NUMBER; j++)
+ {
+ #ifdef GLSL_SOURCE_ON_DISK
+ if(glsl_mamebm_fsh_files[j])
+ err = gl_compile_shader_files (&glsl_mamebm_programs[j],
+ &glsl_mamebm_vsh_shader[glsl_mamebm_fsh2vsh[j]],
+ &glsl_mamebmfsh_shader[j],
+ NULL /*precompiled*/, glsl_mamebm_fsh_files[j], 0);
+ #else
+ if(glsl_mamebm_fsh_sources[j])
+ err = gl_compile_shader_sources(&glsl_mamebm_programs[j],
+ &glsl_mamebm_vsh_shader[glsl_mamebm_fsh2vsh[j]],
+ &glsl_mamebm_fsh_shader[j],
+ NULL /*precompiled*/, glsl_mamebm_fsh_sources[j]);
+ #endif
+ }
+ if (err) return NULL;
+ return (glsl_shader_info *) malloc(sizeof(glsl_shader_info *));
+}
+
+int glsl_shader_free(glsl_shader_info *shinfo)
+{
+ int i,j;
+
+ pfn_glUseProgramObjectARB(0); // back to fixed function pipeline
+ glFinish();
+
+ for (i=0; i<GLSL_VERTEX_SHADER_MAX_NUMBER+9; i++)
+ {
+ if ( glsl_mamebm_vsh_shader[i] )
+ (void) gl_delete_shader( NULL, &glsl_mamebm_vsh_shader[i], NULL);
+ }
+
+ for (j=0; j<GLSL_SHADER_FEAT_MAX_NUMBER+9; j++)
+ {
+ if ( glsl_mamebm_fsh_shader[j] )
+ (void) gl_delete_shader( NULL, NULL, &glsl_mamebm_fsh_shader[j]);
+ }
+
+ for (j=0; j<GLSL_SHADER_FEAT_MAX_NUMBER+9; j++)
+ {
+ if ( glsl_mamebm_programs[j] )
+ (void) gl_delete_shader( &glsl_mamebm_programs[j], NULL, NULL);
+ }
+
+ for (i=0; i<10; i++)
+ {
+ if ( glsl_scrn_vsh_shader[i] )
+ (void) gl_delete_shader( NULL, &glsl_scrn_vsh_shader[i], NULL);
+ if ( glsl_scrn_fsh_shader[i] )
+ (void) gl_delete_shader( NULL, NULL, &glsl_scrn_fsh_shader[i]);
+ if ( glsl_scrn_programs[i] )
+ (void) gl_delete_shader( &glsl_scrn_programs[i], NULL, NULL);
+ }
+
+ free(shinfo);
+ return 0;
+}
+
+int glsl_shader_add_mamebm(glsl_shader_info *shinfo, const char * custShaderPrefix, int idx)
+{
+ int err;
+ static char fname[8192];
+
+ snprintf(fname, 8192, "%s.vsh", custShaderPrefix); fname[8191]=0;
+
+ err = gl_compile_shader_file ( &glsl_mamebm_vsh_shader[GLSL_VERTEX_SHADER_CUSTOM+idx], GL_VERTEX_SHADER_ARB, fname, 0);
+ if(err) return err;
+
+ snprintf(fname, 8192, "%s_rgb32_dir.fsh", custShaderPrefix); fname[8191]=0;
+
+ err = gl_compile_shader_files (&glsl_mamebm_programs[GLSL_SHADER_FEAT_CUSTOM+idx],
+ &glsl_mamebm_vsh_shader[GLSL_VERTEX_SHADER_CUSTOM+idx],
+ &glsl_mamebm_fsh_shader[GLSL_SHADER_FEAT_CUSTOM+idx],
+ NULL /*precompiled*/, fname, 0);
+
+ return err;
+}
+
+int glsl_shader_add_scrn(glsl_shader_info *shinfo, const char * custShaderPrefix, int idx)
+{
+ int err;
+ static char fname[8192];
+
+ snprintf(fname, 8192, "%s.vsh", custShaderPrefix); fname[8191]=0;
+
+ err = gl_compile_shader_file ( &glsl_scrn_vsh_shader[idx], GL_VERTEX_SHADER_ARB, fname, 0);
+ if(err) return err;
+
+ snprintf(fname, 8192, "%s.fsh", custShaderPrefix); fname[8191]=0;
+
+ err = gl_compile_shader_files (&glsl_scrn_programs[idx],
+ &glsl_scrn_vsh_shader[idx],
+ &glsl_scrn_fsh_shader[idx],
+ NULL /*precompiled*/, fname, 0);
+ return err;
+}