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Diffstat (limited to 'mesalib/src/mesa/shader/shader_api.c')
-rw-r--r--mesalib/src/mesa/shader/shader_api.c63
1 files changed, 47 insertions, 16 deletions
diff --git a/mesalib/src/mesa/shader/shader_api.c b/mesalib/src/mesa/shader/shader_api.c
index b282d7af6..453cd3964 100644
--- a/mesalib/src/mesa/shader/shader_api.c
+++ b/mesalib/src/mesa/shader/shader_api.c
@@ -380,12 +380,18 @@ get_shader_flags(void)
flags |= GLSL_DUMP;
if (_mesa_strstr(env, "log"))
flags |= GLSL_LOG;
+ if (_mesa_strstr(env, "nopvert"))
+ flags |= GLSL_NOP_VERT;
+ if (_mesa_strstr(env, "nopfrag"))
+ flags |= GLSL_NOP_FRAG;
if (_mesa_strstr(env, "nopt"))
flags |= GLSL_NO_OPT;
else if (_mesa_strstr(env, "opt"))
flags |= GLSL_OPT;
if (_mesa_strstr(env, "uniform"))
flags |= GLSL_UNIFORMS;
+ if (_mesa_strstr(env, "useprog"))
+ flags |= GLSL_USE_PROG;
}
return flags;
@@ -1493,6 +1499,41 @@ _mesa_link_program(GLcontext *ctx, GLuint program)
/**
+ * Print basic shader info (for debug).
+ */
+static void
+print_shader_info(const struct gl_shader_program *shProg)
+{
+ GLuint i;
+
+ _mesa_printf("Mesa: glUseProgram(%u)\n", shProg->Name);
+ for (i = 0; i < shProg->NumShaders; i++) {
+ const char *s;
+ switch (shProg->Shaders[i]->Type) {
+ case GL_VERTEX_SHADER:
+ s = "vertex";
+ break;
+ case GL_FRAGMENT_SHADER:
+ s = "fragment";
+ break;
+ case GL_GEOMETRY_SHADER:
+ s = "geometry";
+ break;
+ default:
+ s = "";
+ }
+ _mesa_printf(" %s shader %u, checksum %u\n", s,
+ shProg->Shaders[i]->Name,
+ shProg->Shaders[i]->SourceChecksum);
+ }
+ if (shProg->VertexProgram)
+ _mesa_printf(" vert prog %u\n", shProg->VertexProgram->Base.Id);
+ if (shProg->FragmentProgram)
+ _mesa_printf(" frag prog %u\n", shProg->FragmentProgram->Base.Id);
+}
+
+
+/**
* Called via ctx->Driver.UseProgram()
*/
void
@@ -1506,8 +1547,6 @@ _mesa_use_program(GLcontext *ctx, GLuint program)
return;
}
- FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
-
if (program) {
shProg = _mesa_lookup_shader_program_err(ctx, program, "glUseProgram");
if (!shProg) {
@@ -1520,26 +1559,18 @@ _mesa_use_program(GLcontext *ctx, GLuint program)
}
/* debug code */
- if (0) {
- GLuint i;
- _mesa_printf("Use Shader %u\n", shProg->Name);
- for (i = 0; i < shProg->NumShaders; i++) {
- _mesa_printf(" shader %u, type 0x%x, checksum %u\n",
- shProg->Shaders[i]->Name,
- shProg->Shaders[i]->Type,
- shProg->Shaders[i]->SourceChecksum);
- }
- if (shProg->VertexProgram)
- printf(" vert prog %u\n", shProg->VertexProgram->Base.Id);
- if (shProg->FragmentProgram)
- printf(" frag prog %u\n", shProg->FragmentProgram->Base.Id);
+ if (ctx->Shader.Flags & GLSL_USE_PROG) {
+ print_shader_info(shProg);
}
}
else {
shProg = NULL;
}
- _mesa_reference_shader_program(ctx, &ctx->Shader.CurrentProgram, shProg);
+ if (ctx->Shader.CurrentProgram != shProg) {
+ FLUSH_VERTICES(ctx, _NEW_PROGRAM | _NEW_PROGRAM_CONSTANTS);
+ _mesa_reference_shader_program(ctx, &ctx->Shader.CurrentProgram, shProg);
+ }
}