diff options
| -rw-r--r-- | src/mesa/drivers/dri/r300/r500_fragprog.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/r300/r500_fragprog.c b/src/mesa/drivers/dri/r300/r500_fragprog.c index 911e6ae81e..2315830a59 100644 --- a/src/mesa/drivers/dri/r300/r500_fragprog.c +++ b/src/mesa/drivers/dri/r300/r500_fragprog.c @@ -138,6 +138,19 @@ static inline GLuint make_rgb_swizzle(struct prog_src_register src) { return swiz; } +static inline GLuint make_rgba_swizzle(GLuint src) { + GLuint swiz = 0x0; + GLuint temp; + int i; + for (i = 0; i < 4; i++) { + temp = GET_SWZ(src, i); + /* Fix SWIZZLE_ONE */ + if (temp == 5) temp++; + swiz |= temp << i*3; + } + return swiz; +} + static inline GLuint make_alpha_swizzle(struct prog_src_register src) { GLuint swiz = GET_SWZ(src.Swizzle, 3); @@ -364,6 +377,8 @@ static void emit_mov(struct r500_fragment_program *fp, int counter, struct prog_ emit_alu(fp, counter, fpi); fp->inst[counter].inst1 = R500_RGB_ADDR0(src_reg); fp->inst[counter].inst2 = R500_ALPHA_ADDR0(src_reg); + /* (De)mangle the swizzle from Mesa to R500. */ + swizzle = make_rgba_swizzle(swizzle); /* 0x1FF is 9 bits, size of an RGB swizzle. */ fp->inst[counter].inst3 = R500_ALU_RGB_SEL_A_SRC0 | MAKE_SWIZ_RGB_A((swizzle & 0x1ff)) |