diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_state_fs.c')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_fs.c | 80 |
1 files changed, 68 insertions, 12 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c index e54dd9f0a3..ad058e384a 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c @@ -255,8 +255,7 @@ generate_quad_mask(LLVMBuilderRef builder, * \param partial_mask if 1, do mask_input testing */ static void -generate_fs(struct llvmpipe_context *lp, - struct lp_fragment_shader *shader, +generate_fs(struct lp_fragment_shader *shader, const struct lp_fragment_shader_variant_key *key, LLVMBuilderRef builder, struct lp_type type, @@ -468,13 +467,13 @@ generate_blend(const struct pipe_blend_state *blend, * 2x2 pixels. */ static void -generate_fragment(struct llvmpipe_context *lp, +generate_fragment(struct llvmpipe_screen *screen, struct lp_fragment_shader *shader, struct lp_fragment_shader_variant *variant, unsigned partial_mask) { - struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); const struct lp_fragment_shader_variant_key *key = &variant->key; + struct lp_shader_input inputs[PIPE_MAX_SHADER_INPUTS]; char func_name[256]; struct lp_type fs_type; struct lp_type blend_type; @@ -507,6 +506,18 @@ generate_fragment(struct llvmpipe_context *lp, unsigned chan; unsigned cbuf; + /* Adjust color input interpolation according to flatshade state: + */ + memcpy(inputs, shader->inputs, shader->info.num_inputs * sizeof inputs[0]); + for (i = 0; i < shader->info.num_inputs; i++) { + if (inputs[i].interp == LP_INTERP_COLOR) { + if (key->flatshade) + inputs[i].interp = LP_INTERP_CONSTANT; + else + inputs[i].interp = LP_INTERP_LINEAR; + } + } + /* TODO: actually pick these based on the fs and color buffer * characteristics. */ @@ -558,7 +569,6 @@ generate_fragment(struct llvmpipe_context *lp, variant->function[partial_mask] = function; - /* XXX: need to propagate noalias down into color param now we are * passing a pointer-to-pointer? */ @@ -606,8 +616,8 @@ generate_fragment(struct llvmpipe_context *lp, * already included in the shader key. */ lp_build_interp_soa_init(&interp, - lp->num_inputs, - lp->inputs, + shader->info.num_inputs, + inputs, builder, fs_type, a0_ptr, dadx_ptr, dady_ptr, x, y); @@ -626,7 +636,7 @@ generate_fragment(struct llvmpipe_context *lp, depth_ptr_i = LLVMBuildGEP(builder, depth_ptr, &index, 1, ""); - generate_fs(lp, shader, key, + generate_fs(shader, key, builder, fs_type, context_ptr, @@ -823,7 +833,7 @@ lp_debug_fs_variant(const struct lp_fragment_shader_variant *variant) } static struct lp_fragment_shader_variant * -generate_variant(struct llvmpipe_context *lp, +generate_variant(struct llvmpipe_screen *screen, struct lp_fragment_shader *shader, const struct lp_fragment_shader_variant_key *key) { @@ -869,11 +879,11 @@ generate_variant(struct llvmpipe_context *lp, lp_debug_fs_variant(variant); } - generate_fragment(lp, shader, variant, RAST_EDGE_TEST); + generate_fragment(screen, shader, variant, RAST_EDGE_TEST); if (variant->opaque) { /* Specialized shader, which doesn't need to read the color buffer. */ - generate_fragment(lp, shader, variant, RAST_WHOLE); + generate_fragment(screen, shader, variant, RAST_WHOLE); } else { variant->jit_function[RAST_WHOLE] = variant->jit_function[RAST_EDGE_TEST]; } @@ -888,6 +898,7 @@ llvmpipe_create_fs_state(struct pipe_context *pipe, { struct lp_fragment_shader *shader; int nr_samplers; + int i; shader = CALLOC_STRUCT(lp_fragment_shader); if (!shader) @@ -907,6 +918,46 @@ llvmpipe_create_fs_state(struct pipe_context *pipe, shader->variant_key_size = Offset(struct lp_fragment_shader_variant_key, sampler[nr_samplers]); + for (i = 0; i < shader->info.num_inputs; i++) { + shader->inputs[i].usage_mask = shader->info.input_usage_mask[i]; + + switch (shader->info.input_interpolate[i]) { + case TGSI_INTERPOLATE_CONSTANT: + shader->inputs[i].interp = LP_INTERP_CONSTANT; + break; + case TGSI_INTERPOLATE_LINEAR: + shader->inputs[i].interp = LP_INTERP_LINEAR; + break; + case TGSI_INTERPOLATE_PERSPECTIVE: + shader->inputs[i].interp = LP_INTERP_PERSPECTIVE; + break; + default: + assert(0); + break; + } + + switch (shader->info.input_semantic_name[i]) { + case TGSI_SEMANTIC_COLOR: + /* Colors may be either linearly or constant interpolated in + * the fragment shader, but that information isn't available + * here. Mark color inputs and fix them up later. + */ + shader->inputs[i].interp = LP_INTERP_COLOR; + break; + case TGSI_SEMANTIC_FACE: + shader->inputs[i].interp = LP_INTERP_FACING; + break; + case TGSI_SEMANTIC_POSITION: + /* Position was already emitted above + */ + shader->inputs[i].interp = LP_INTERP_POSITION; + shader->inputs[i].src_index = 0; + continue; + } + + shader->inputs[i].src_index = i+1; + } + if (LP_DEBUG & DEBUG_TGSI) { unsigned attrib; debug_printf("llvmpipe: Create fragment shader #%u %p:\n", shader->no, (void *) shader); @@ -1161,6 +1212,7 @@ make_variant_key(struct llvmpipe_context *lp, void llvmpipe_update_fs(struct llvmpipe_context *lp) { + struct llvmpipe_screen *screen = llvmpipe_screen(lp->pipe.screen); struct lp_fragment_shader *shader = lp->fs; struct lp_fragment_shader_variant_key key; struct lp_fragment_shader_variant *variant = NULL; @@ -1201,7 +1253,7 @@ llvmpipe_update_fs(struct llvmpipe_context *lp) } t0 = os_time_get(); - variant = generate_variant(lp, shader, &key); + variant = generate_variant(screen, shader, &key); t1 = os_time_get(); dt = t1 - t0; @@ -1221,6 +1273,10 @@ llvmpipe_update_fs(struct llvmpipe_context *lp) + + + + void llvmpipe_init_fs_funcs(struct llvmpipe_context *llvmpipe) { |