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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_context.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_context.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_context.c b/src/mesa/drivers/dri/r300/r300_context.c
index 2ea1b826de..9df3897e65 100644
--- a/src/mesa/drivers/dri/r300/r300_context.c
+++ b/src/mesa/drivers/dri/r300/r300_context.c
@@ -374,11 +374,21 @@ static void r300InitConstValues(GLcontext *ctx, radeonScreenPtr screen)
if (screen->chip_family >= CHIP_FAMILY_RV515) {
ctx->Const.FragmentProgram.MaxNativeTemps = R500_PFS_NUM_TEMP_REGS;
ctx->Const.FragmentProgram.MaxNativeAttribs = 11; /* copy i915... */
- ctx->Const.FragmentProgram.MaxNativeParameters = R500_PFS_NUM_CONST_REGS;
- ctx->Const.FragmentProgram.MaxNativeAluInstructions = R500_PFS_MAX_INST;
- ctx->Const.FragmentProgram.MaxNativeTexInstructions = R500_PFS_MAX_INST;
- ctx->Const.FragmentProgram.MaxNativeInstructions = R500_PFS_MAX_INST;
- ctx->Const.FragmentProgram.MaxNativeTexIndirections = R500_PFS_MAX_INST;
+
+ /* The hardware limits are higher than this,
+ * but the non-KMS DRM interface artificially limits us
+ * to this many instructions.
+ *
+ * We could of course work around it in the KMS path,
+ * but it would be a mess, so it seems wiser
+ * to leave it as is. Going forward, the Gallium driver
+ * will not be subject to these limitations.
+ */
+ ctx->Const.FragmentProgram.MaxNativeParameters = 255;
+ ctx->Const.FragmentProgram.MaxNativeAluInstructions = 255;
+ ctx->Const.FragmentProgram.MaxNativeTexInstructions = 255;
+ ctx->Const.FragmentProgram.MaxNativeInstructions = 255;
+ ctx->Const.FragmentProgram.MaxNativeTexIndirections = 255;
ctx->Const.FragmentProgram.MaxNativeAddressRegs = 0;
} else {
ctx->Const.FragmentProgram.MaxNativeTemps = R300_PFS_NUM_TEMP_REGS;