diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r500_fragprog.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r500_fragprog.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c index a84ba13..75dae86 100644 --- a/src/mesa/drivers/dri/r300/r500_fragprog.c +++ b/src/mesa/drivers/dri/r300/r500_fragprog.c @@ -317,6 +317,14 @@ static GLboolean is_native_swizzle(GLuint opcode, struct prog_src_register reg) return GL_FALSE; return GL_TRUE; + } else if (opcode == OPCODE_DDX || opcode == OPCODE_DDY) { + /* DDX/MDH and DDY/MDV explicitly ignore incoming swizzles; + * if it doesn't fit perfectly into a .xyzw case... */ + if (reg.Swizzle == SWIZZLE_NOOP && !reg.Abs + && !reg.NegateBase && !reg.NegateAbs) + return GL_TRUE; + + return GL_FALSE; } else { /* ALU instructions support almost everything */ if (reg.Abs) @@ -439,13 +447,14 @@ void r500TranslateFragmentShader(r300ContextPtr r300, insert_WPOS_trailer(&compiler); - struct radeon_program_transformation transformations[3] = { + struct radeon_program_transformation transformations[] = { { &transform_TEX, &compiler }, { &radeonTransformALU, 0 }, + { &radeonTransformDeriv, 0 }, { &radeonTransformTrigScale, 0 } }; radeonLocalTransform(r300->radeon.glCtx, compiler.program, - 3, transformations); + 4, transformations); if (RADEON_DEBUG & DEBUG_PIXEL) { _mesa_printf("Compiler: after native rewrite:\n"); |