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i965: Fix the test for variable indexing of shader inputs.

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Shader inputs appear in source registers, not dst registers.  Catches
unsupported shaders in glsl-fs-varying-array and Humus
RaytracedShadows.
This commit is contained in:
Eric Anholt
2010-08-26 09:10:19 -07:00
parent de3b40d8cd
commit b72c85df55
1 changed files with 11 additions and 5 deletions
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src/mesa/drivers/dri/i965/brw_program.c
+11 -5
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@@ -168,6 +168,9 @@ static GLboolean brwProgramStringNotify( GLcontext *ctx,
* See piglit glsl-{vs,fs}-functions-[23] tests.
*/
for (i = 0; i < prog->NumInstructions; i++) {
struct prog_instruction *inst = prog->Instructions + i;
int r;
if (prog->Instructions[i].Opcode == OPCODE_CAL) {
shader_error(ctx, prog,
"i965 driver doesn't yet support uninlined function "
@@ -183,12 +186,15 @@ static GLboolean brwProgramStringNotify( GLcontext *ctx,
return GL_FALSE;
}
if (prog->Instructions[i].DstReg.RelAddr &&
prog->Instructions[i].DstReg.File == PROGRAM_INPUT) {
shader_error(ctx, prog,
"Variable indexing of shader inputs unsupported\n");
return GL_FALSE;
for (r = 0; r < _mesa_num_inst_src_regs(inst->Opcode); r++) {
if (prog->Instructions[i].SrcReg[r].RelAddr &&
prog->Instructions[i].SrcReg[r].File == PROGRAM_INPUT) {
shader_error(ctx, prog,
"Variable indexing of shader inputs unsupported\n");
return GL_FALSE;
}
}
if (prog->Instructions[i].DstReg.RelAddr &&
prog->Instructions[i].DstReg.File == PROGRAM_OUTPUT) {
shader_error(ctx, prog,