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Use custom "stock" program.

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This commit is contained in:
Themaister 2011-11-12 15:26:24 +01:00
parent ad67511483
commit 60841b01a5
1 changed files with 26 additions and 3 deletions
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29
gfx/shader_glsl.c
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@ -139,6 +139,21 @@ struct shader_program
bool valid_scale; bool valid_scale;
}; };
static const char *stock_vertex =
"varying vec4 color;\n"
"void main() {\n"
" gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n"
" gl_TexCoord[0] = gl_MultiTexCoord0;\n"
" color = gl_Color;\n"
"}";
static const char *stock_fragment =
"uniform sampler2D rubyTexture;\n"
"varying vec4 color;\n"
"void main() {\n"
" gl_FragColor = color * texture2D(rubyTexture, gl_TexCoord[0].xy);\n"
"}";
static bool get_xml_attrs(struct shader_program *prog, xmlNodePtr ptr) static bool get_xml_attrs(struct shader_program *prog, xmlNodePtr ptr)
{ {
prog->scale_x = 1.0; prog->scale_x = 1.0;
@ -873,10 +888,17 @@ bool gl_glsl_init(const char *path)
if (!shader_support) if (!shader_support)
{ {
SSNES_ERR("GLSL shaders aren't supported by your GL driver.\n"); SSNES_ERR("GLSL shaders aren't supported by your OpenGL driver.\n");
return false; return false;
} }
struct shader_program stock_prog = {
.vertex = strdup(stock_vertex),
.fragment = strdup(stock_fragment),
};
if (!compile_programs(&gl_program[0], &stock_prog, 1))
return false;
struct shader_program progs[MAX_PROGRAMS]; struct shader_program progs[MAX_PROGRAMS];
unsigned num_progs = get_xml_shaders(path, progs, MAX_PROGRAMS - 1); unsigned num_progs = get_xml_shaders(path, progs, MAX_PROGRAMS - 1);
@ -951,6 +973,7 @@ bool gl_glsl_init(const char *path)
glsl_enable = true; glsl_enable = true;
gl_num_programs = num_progs; gl_num_programs = num_progs;
gl_program[gl_num_programs + 1] = gl_program[0];
return true; return true;
} }
@ -959,10 +982,10 @@ void gl_glsl_deinit(void)
if (glsl_enable) if (glsl_enable)
{ {
pglUseProgram(0); pglUseProgram(0);
for (int i = 1; i < MAX_PROGRAMS; i++) for (int i = 0; i <= gl_num_programs; i++)
{ {
if (gl_program[i] == 0) if (gl_program[i] == 0)
break; continue;
GLsizei count; GLsizei count;
GLuint shaders[2]; GLuint shaders[2];