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mesa: glsl: add check for exceeding max number of constants/uniforms

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This commit is contained in:
Brian Paul 2008-08-20 14:39:10 -06:00
parent 29bee15b1e
commit e55093bf2f
1 changed files with 14 additions and 0 deletions
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14
src/mesa/shader/slang/slang_emit.c
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@ -1971,6 +1971,7 @@ _slang_emit_code(slang_ir_node *n, slang_var_table *vt,
GET_CURRENT_CONTEXT(ctx);
GLboolean success;
slang_emit_info emitInfo;
GLuint maxUniforms;
emitInfo.log = log;
emitInfo.vt = vt;
@ -1987,6 +1988,19 @@ _slang_emit_code(slang_ir_node *n, slang_var_table *vt,
emitInfo.EmitHighLevelInstructions = GL_TRUE;
}
/* Check uniform/constant limits */
if (prog->Target == GL_FRAGMENT_PROGRAM_ARB) {
maxUniforms = ctx->Const.FragmentProgram.MaxUniformComponents / 4;
}
else {
assert(prog->Target == GL_VERTEX_PROGRAM_ARB);
maxUniforms = ctx->Const.VertexProgram.MaxUniformComponents / 4;
}
if (prog->Parameters->NumParameters > maxUniforms) {
slang_info_log_error(log, "Constant/uniform register limit exceeded");
return GL_FALSE;
}
(void) emit(&emitInfo, n);
/* finish up by adding the END opcode to program */