diff options
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_state_per_fragment.c | 112 |
1 files changed, 92 insertions, 20 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_state_per_fragment.c b/src/gallium/drivers/cell/ppu/cell_state_per_fragment.c index 9c479684596..988c251e205 100644 --- a/src/gallium/drivers/cell/ppu/cell_state_per_fragment.c +++ b/src/gallium/drivers/cell/ppu/cell_state_per_fragment.c @@ -669,7 +669,7 @@ emit_alpha_factor_calculation(struct spe_function *f, /** - * \note Emits a maximum of 5 instructions + * \note Emits a maximum of 6 instructions */ static void emit_color_factor_calculation(struct spe_function *f, @@ -864,7 +864,11 @@ emit_blend_calculation(struct spe_function *f, spe_il(f, src, 0); } else if (dF == PIPE_BLENDFACTOR_ONE) { spe_or(f, src, dst, dst); + } else { + spe_fm(f, src, dst, dst_factor); } + } else if (dF == PIPE_BLENDFACTOR_ZERO) { + spe_fm(f, src, src, src_factor); } else { spe_fm(f, tmp, dst, dst_factor); spe_fma(f, src, src, src_factor, tmp); @@ -884,7 +888,11 @@ emit_blend_calculation(struct spe_function *f, } else if (dF == PIPE_BLENDFACTOR_ONE) { spe_il(f, tmp, 0); spe_fs(f, src, tmp, dst); + } else { + spe_fm(f, src, dst, dst_factor); } + } else if (dF == PIPE_BLENDFACTOR_ZERO) { + spe_fm(f, src, src, src_factor); } else { spe_fm(f, tmp, dst, dst_factor); spe_fms(f, src, src, src_factor, tmp); @@ -904,7 +912,11 @@ emit_blend_calculation(struct spe_function *f, spe_il(f, src, 0); } else if (dF == PIPE_BLENDFACTOR_ONE) { spe_or(f, src, dst, dst); + } else { + spe_fm(f, src, dst, dst_factor); } + } else if (dF == PIPE_BLENDFACTOR_ZERO) { + spe_fm(f, src, src, src_factor); } else { spe_fm(f, tmp, src, src_factor); spe_fms(f, src, src, dst_factor, tmp); @@ -913,12 +925,12 @@ emit_blend_calculation(struct spe_function *f, case PIPE_BLEND_MIN: spe_cgt(f, tmp, src, dst); - spe_selb(f, src, dst, src, tmp); + spe_selb(f, src, src, dst, tmp); break; case PIPE_BLEND_MAX: spe_cgt(f, tmp, src, dst); - spe_selb(f, src, src, dst, tmp); + spe_selb(f, src, dst, src, tmp); break; default: @@ -940,9 +952,9 @@ cell_generate_alpha_blend(struct cell_blend_state *cb, struct spe_function *const f = &cb->code; /* This code generates a maximum of 3 (source alpha factor) - * + 3 (destination alpha factor) + (3 * 5) (source color factor) - * + (3 * 5) (destination color factor) + (4 * 2) (blend equation) - * + 4 (fragment mask) + 1 (return) = 49 instlructions. Round up to 64 to + * + 3 (destination alpha factor) + (3 * 6) (source color factor) + * + (3 * 6) (destination color factor) + (4 * 2) (blend equation) + * + 4 (fragment mask) + 1 (return) = 55 instlructions. Round up to 64 to * make it a happy power-of-two. */ spe_init_func(f, 4 * 64); @@ -984,16 +996,57 @@ cell_generate_alpha_blend(struct cell_blend_state *cb, && (b->alpha_func != PIPE_BLEND_MAX); - sF[0] = b->rgb_src_factor; - sF[1] = sF[0]; - sF[2] = sF[0]; - sF[3] = (b->alpha_src_factor == PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE) - ? PIPE_BLENDFACTOR_ONE : b->alpha_src_factor; + if (b->blend_enable) { + sF[0] = b->rgb_src_factor; + sF[1] = sF[0]; + sF[2] = sF[0]; + switch (b->alpha_src_factor & 0x0f) { + case PIPE_BLENDFACTOR_SRC_ALPHA_SATURATE: + sF[3] = PIPE_BLENDFACTOR_ONE; + break; + case PIPE_BLENDFACTOR_SRC_COLOR: + case PIPE_BLENDFACTOR_DST_COLOR: + case PIPE_BLENDFACTOR_CONST_COLOR: + case PIPE_BLENDFACTOR_SRC1_COLOR: + sF[3] = b->alpha_src_factor + 1; + break; + default: + sF[3] = b->alpha_src_factor; + } - dF[0] = b->rgb_dst_factor; - dF[1] = dF[0]; - dF[2] = dF[0]; - dF[3] = b->rgb_dst_factor; + dF[0] = b->rgb_dst_factor; + dF[1] = dF[0]; + dF[2] = dF[0]; + switch (b->alpha_dst_factor & 0x0f) { + case PIPE_BLENDFACTOR_SRC_COLOR: + case PIPE_BLENDFACTOR_DST_COLOR: + case PIPE_BLENDFACTOR_CONST_COLOR: + case PIPE_BLENDFACTOR_SRC1_COLOR: + dF[3] = b->alpha_dst_factor + 1; + break; + default: + dF[3] = b->alpha_dst_factor; + } + + func[0] = b->rgb_func; + func[1] = func[0]; + func[2] = func[0]; + func[3] = b->alpha_func; + } else { + sF[0] = PIPE_BLENDFACTOR_ONE; + sF[1] = PIPE_BLENDFACTOR_ONE; + sF[2] = PIPE_BLENDFACTOR_ONE; + sF[3] = PIPE_BLENDFACTOR_ONE; + dF[0] = PIPE_BLENDFACTOR_ZERO; + dF[1] = PIPE_BLENDFACTOR_ZERO; + dF[2] = PIPE_BLENDFACTOR_ZERO; + dF[3] = PIPE_BLENDFACTOR_ZERO; + + func[0] = PIPE_BLEND_ADD; + func[1] = PIPE_BLEND_ADD; + func[2] = PIPE_BLEND_ADD; + func[3] = PIPE_BLEND_ADD; + } /* If alpha writing is enabled and the alpha blend mode requires use of @@ -1054,11 +1107,6 @@ cell_generate_alpha_blend(struct cell_blend_state *cb, - func[0] = b->rgb_func; - func[1] = func[0]; - func[2] = func[0]; - func[3] = b->alpha_func; - for (i = 0; i < 4; ++i) { if ((b->colormask & (1U << i)) != 0) { emit_blend_calculation(f, @@ -1072,4 +1120,28 @@ cell_generate_alpha_blend(struct cell_blend_state *cb, } spe_bi(f, 0, 0, 0); + +#if 0 + { + const uint32_t *p = f->store; + + printf("# %u instructions\n", f->csr - f->store); + printf("# blend (%sabled)\n", + (cb->base.blend_enable) ? "en" : "dis"); + printf("# RGB func / sf / df: %u %u %u\n", + cb->base.rgb_func, + cb->base.rgb_src_factor, + cb->base.rgb_dst_factor); + printf("# ALP func / sf / df: %u %u %u\n", + cb->base.alpha_func, + cb->base.alpha_src_factor, + cb->base.alpha_dst_factor); + + printf("\t.text\n"); + for (/* empty */; p < f->csr; p++) { + printf("\t.long\t0x%04x\n", *p); + } + fflush(stdout); + } +#endif } |