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-rw-r--r--src/mesa/shader/prog_execute.c16
1 files changed, 11 insertions, 5 deletions
diff --git a/src/mesa/shader/prog_execute.c b/src/mesa/shader/prog_execute.c
index 2db4e695228..d42b2e99b94 100644
--- a/src/mesa/shader/prog_execute.c
+++ b/src/mesa/shader/prog_execute.c
@@ -84,14 +84,20 @@ get_register_pointer(const struct prog_src_register *source,
{
if (source->RelAddr) {
const GLint reg = source->Index + machine->AddressReg[0][0];
- if (reg < 0 || reg > MAX_NV_VERTEX_PROGRAM_PARAMS)
- return ZeroVec;
- else if (source->File == PROGRAM_ENV_PARAM)
- return machine->EnvParams[reg];
+ if (source->File == PROGRAM_ENV_PARAM)
+ if (reg < 0 || reg >= MAX_PROGRAM_ENV_PARAMS)
+ return ZeroVec;
+ else
+ return machine->EnvParams[reg];
else {
+ const struct gl_program_parameter_list *params;
ASSERT(source->File == PROGRAM_LOCAL_PARAM ||
source->File == PROGRAM_STATE_VAR);
- return machine->CurProgram->Parameters->ParameterValues[reg];
+ params = machine->CurProgram->Parameters;
+ if (reg < 0 || reg >= params->NumParameters)
+ return ZeroVec;
+ else
+ return params->ParameterValues[reg];
}
}