diff options
Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_state_per_fragment.c')
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_state_per_fragment.c | 93 |
1 files changed, 47 insertions, 46 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 f353aeab0a..c750b1d89d 100644 --- a/src/gallium/drivers/cell/ppu/cell_state_per_fragment.c +++ b/src/gallium/drivers/cell/ppu/cell_state_per_fragment.c @@ -588,19 +588,13 @@ cell_generate_depth_stencil_test(struct cell_depth_stencil_alpha_state *cdsa) */ static int emit_alpha_factor_calculation(struct spe_function *f, - unsigned factor, float const_alpha, - int src_alpha, int dst_alpha) + unsigned factor, + int src_alpha, int dst_alpha, int const_alpha) { - union { - float f; - unsigned u; - } alpha; int factor_reg; int tmp; - alpha.f = const_alpha; - switch (factor) { case PIPE_BLENDFACTOR_ONE: factor_reg = -1; @@ -621,13 +615,17 @@ emit_alpha_factor_calculation(struct spe_function *f, break; case PIPE_BLENDFACTOR_INV_CONST_ALPHA: - const_alpha = 1.0 - const_alpha; - /* FALLTHROUGH */ - case PIPE_BLENDFACTOR_CONST_ALPHA: factor_reg = spe_allocate_available_register(f); - spe_il(f, factor_reg, alpha.u & 0x0ffff); - spe_ilh(f, factor_reg, alpha.u >> 16); + tmp = spe_allocate_available_register(f); + spe_il(f, tmp, 1); + spe_cuflt(f, tmp, tmp, 0); + spe_fs(f, factor_reg, tmp, const_alpha); + spe_release_register(f, tmp); + break; + + case PIPE_BLENDFACTOR_CONST_ALPHA: + factor_reg = const_alpha; break; case PIPE_BLENDFACTOR_ZERO: @@ -674,24 +672,15 @@ emit_alpha_factor_calculation(struct spe_function *f, static void emit_color_factor_calculation(struct spe_function *f, unsigned sF, unsigned mask, - const struct pipe_blend_color *blend_color, const int *src, const int *dst, + const int *const_color, int *factor) { - union { - float f[4]; - unsigned u[4]; - } color; int tmp; unsigned i; - color.f[0] = blend_color->color[0]; - color.f[1] = blend_color->color[1]; - color.f[2] = blend_color->color[2]; - color.f[3] = blend_color->color[3]; - factor[0] = -1; factor[1] = -1; factor[2] = -1; @@ -748,29 +737,40 @@ emit_color_factor_calculation(struct spe_function *f, break; case PIPE_BLENDFACTOR_INV_CONST_COLOR: - color.f[0] = 1.0 - color.f[0]; - color.f[1] = 1.0 - color.f[1]; - color.f[2] = 1.0 - color.f[2]; - /* FALLTHROUGH */ - case PIPE_BLENDFACTOR_CONST_COLOR: + tmp = spe_allocate_available_register(f); + spe_il(f, tmp, 1); + spe_cuflt(f, tmp, tmp, 0); + for (i = 0; i < 3; i++) { factor[i] = spe_allocate_available_register(f); - spe_il(f, factor[i], color.u[i] & 0x0ffff); - spe_ilh(f, factor[i], color.u[i] >> 16); + spe_fs(f, factor[i], tmp, const_color[i]); + } + spe_release_register(f, tmp); + break; + + case PIPE_BLENDFACTOR_CONST_COLOR: + for (i = 0; i < 3; i++) { + factor[i] = const_color[i]; } break; case PIPE_BLENDFACTOR_INV_CONST_ALPHA: - color.f[3] = 1.0 - color.f[3]; - /* FALLTHROUGH */ - case PIPE_BLENDFACTOR_CONST_ALPHA: factor[0] = spe_allocate_available_register(f); factor[1] = factor[0]; factor[2] = factor[0]; - spe_il(f, factor[0], color.u[3] & 0x0ffff); - spe_ilh(f, factor[0], color.u[3] >> 16); + tmp = spe_allocate_available_register(f); + spe_il(f, tmp, 1); + spe_cuflt(f, tmp, tmp, 0); + spe_fs(f, factor[0], tmp, const_color[3]); + spe_release_register(f, tmp); + break; + + case PIPE_BLENDFACTOR_CONST_ALPHA: + factor[0] = const_color[3]; + factor[1] = factor[0]; + factor[2] = factor[0]; break; case PIPE_BLENDFACTOR_ZERO: @@ -945,8 +945,7 @@ emit_blend_calculation(struct spe_function *f, * Generate code to perform alpha blending on the SPE */ void -cell_generate_alpha_blend(struct cell_blend_state *cb, - const struct pipe_blend_color *blend_color) +cell_generate_alpha_blend(struct cell_blend_state *cb) { struct pipe_blend_state *const b = &cb->base; struct spe_function *const f = &cb->code; @@ -972,7 +971,13 @@ cell_generate_alpha_blend(struct cell_blend_state *cb, spe_allocate_register(f, 9), spe_allocate_register(f, 10), }; - const int mask = spe_allocate_register(f, 11); + const int const_color[4] = { + spe_allocate_register(f, 11), + spe_allocate_register(f, 12), + spe_allocate_register(f, 13), + spe_allocate_register(f, 14), + }; + const int mask = spe_allocate_register(f, 15); unsigned func[4]; unsigned sF[4]; unsigned dF[4]; @@ -1053,8 +1058,7 @@ cell_generate_alpha_blend(struct cell_blend_state *cb, * the alpha factor, calculate the alpha factor. */ if (((b->colormask & 8) != 0) && need_alpha_factor) { - src_factor[3] = emit_alpha_factor_calculation(f, sF[3], - blend_color->color[3], + src_factor[3] = emit_alpha_factor_calculation(f, sF[3], const_color[3], frag[3], pixel[3]); /* If the alpha destination blend factor is the same as the alpha source @@ -1062,8 +1066,7 @@ cell_generate_alpha_blend(struct cell_blend_state *cb, */ dst_factor[3] = (dF[3] == sF[3]) ? src_factor[3] - : emit_alpha_factor_calculation(f, dF[3], - blend_color->color[3], + : emit_alpha_factor_calculation(f, dF[3], const_color[3], frag[3], pixel[3]); } @@ -1080,8 +1083,7 @@ cell_generate_alpha_blend(struct cell_blend_state *cb, emit_color_factor_calculation(f, b->rgb_src_factor, b->colormask, - blend_color, - frag, pixel, src_factor); + frag, pixel, const_color, src_factor); } @@ -1101,8 +1103,7 @@ cell_generate_alpha_blend(struct cell_blend_state *cb, emit_color_factor_calculation(f, b->rgb_dst_factor, b->colormask, - blend_color, - frag, pixel, dst_factor); + frag, pixel, const_color, dst_factor); } |