From e55093bf2f4ff32a691f63409b9fea321cf8eb0f Mon Sep 17 00:00:00 2001 From: Brian Paul Date: Wed, 20 Aug 2008 14:39:10 -0600 Subject: mesa: glsl: add check for exceeding max number of constants/uniforms --- src/mesa/shader/slang/slang_emit.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/src/mesa/shader/slang/slang_emit.c b/src/mesa/shader/slang/slang_emit.c index c5a0fcb6c77..f5f41eb116d 100644 --- a/src/mesa/shader/slang/slang_emit.c +++ b/src/mesa/shader/slang/slang_emit.c @@ -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 */ -- cgit v1.2.3