diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_state_fs.c')
| -rw-r--r-- | src/gallium/drivers/llvmpipe/lp_state_fs.c | 222 |
1 files changed, 90 insertions, 132 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c index 94170bd716..618cf1ffb8 100644 --- a/src/gallium/drivers/llvmpipe/lp_state_fs.c +++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c @@ -85,6 +85,7 @@ #include "lp_context.h" #include "lp_state.h" #include "lp_quad.h" +#include "lp_tex_sample.h" static const unsigned char quad_offset_x[4] = {0, 1, 0, 1}; @@ -130,9 +131,8 @@ generate_pos0(LLVMBuilderRef builder, * Generate the depth test. */ static void -generate_depth(struct llvmpipe_context *lp, - LLVMBuilderRef builder, - const struct pipe_depth_state *state, +generate_depth(LLVMBuilderRef builder, + const struct lp_fragment_shader_variant_key *key, union lp_type src_type, struct lp_build_mask_context *mask, LLVMValueRef src, @@ -141,10 +141,10 @@ generate_depth(struct llvmpipe_context *lp, const struct util_format_description *format_desc; union lp_type dst_type; - if(!lp->framebuffer.zsbuf) + if(!key->depth.enabled) return; - format_desc = util_format_description(lp->framebuffer.zsbuf->format); + format_desc = util_format_description(key->zsbuf_format); assert(format_desc); /* Pick the depth type. */ @@ -164,7 +164,7 @@ generate_depth(struct llvmpipe_context *lp, #endif lp_build_depth_test(builder, - state, + &key->depth, dst_type, format_desc, mask, @@ -173,107 +173,6 @@ generate_depth(struct llvmpipe_context *lp, } -struct build_fetch_texel_context -{ - LLVMValueRef context_ptr; - - LLVMValueRef samplers_ptr; - - /** Coords/texels store */ - LLVMValueRef store_ptr; -}; - - -void PIPE_CDECL -lp_fetch_texel_soa( struct tgsi_sampler **samplers, - uint32_t unit, - float *store ) -{ - struct tgsi_sampler *sampler = samplers[unit]; - -#if 0 - uint j; - - debug_printf("%s sampler: %p (%p) store: %p\n", - __FUNCTION__, - sampler, *sampler, - store ); - - debug_printf("lodbias %f\n", store[12]); - - for (j = 0; j < 4; j++) - debug_printf("sample %d texcoord %f %f\n", - j, - store[0+j], - store[4+j]); -#endif - - { - float rgba[NUM_CHANNELS][QUAD_SIZE]; - sampler->get_samples(sampler, - &store[0], - &store[4], - &store[8], - 0.0f, /*store[12], lodbias */ - rgba); - memcpy(store, rgba, sizeof rgba); - } - -#if 0 - for (j = 0; j < 4; j++) - debug_printf("sample %d result %f %f %f %f\n", - j, - store[0+j], - store[4+j], - store[8+j], - store[12+j]); -#endif -} - - -static void -emit_fetch_texel( LLVMBuilderRef builder, - void *context, - unsigned unit, - unsigned num_coords, - const LLVMValueRef *coords, - LLVMValueRef lodbias, - LLVMValueRef *texel) -{ - struct build_fetch_texel_context *bld = context; - LLVMTypeRef vec_type = LLVMTypeOf(coords[0]); - LLVMValueRef args[3]; - unsigned i; - - if(!bld->samplers_ptr) - bld->samplers_ptr = lp_jit_context_samplers(builder, bld->context_ptr); - - if(!bld->store_ptr) - bld->store_ptr = LLVMBuildArrayAlloca(builder, - vec_type, - LLVMConstInt(LLVMInt32Type(), 4, 0), - "texel_store"); - - for (i = 0; i < num_coords; i++) { - LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); - LLVMValueRef coord_ptr = LLVMBuildGEP(builder, bld->store_ptr, &index, 1, ""); - LLVMBuildStore(builder, coords[i], coord_ptr); - } - - args[0] = bld->samplers_ptr; - args[1] = LLVMConstInt(LLVMInt32Type(), unit, 0); - args[2] = bld->store_ptr; - - lp_build_intrinsic(builder, "fetch_texel", LLVMVoidType(), args, 3); - - for (i = 0; i < NUM_CHANNELS; ++i) { - LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); - LLVMValueRef texel_ptr = LLVMBuildGEP(builder, bld->store_ptr, &index, 1, ""); - texel[i] = LLVMBuildLoad(builder, texel_ptr, ""); - } -} - - /** * Generate the fragment shader, depth/stencil test, and alpha tests. */ @@ -286,7 +185,7 @@ generate_fs(struct llvmpipe_context *lp, LLVMValueRef context_ptr, unsigned i, const struct lp_build_interp_soa_context *interp, - struct build_fetch_texel_context *sampler, + struct lp_build_sampler_soa *sampler, LLVMValueRef *pmask, LLVMValueRef *color, LLVMValueRef depth_ptr) @@ -298,6 +197,7 @@ generate_fs(struct llvmpipe_context *lp, LLVMValueRef consts_ptr; LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; LLVMValueRef z = interp->pos[2]; + struct lp_build_flow_context *flow; struct lp_build_mask_context mask; boolean early_depth_test; unsigned attrib; @@ -309,25 +209,35 @@ generate_fs(struct llvmpipe_context *lp, consts_ptr = lp_jit_context_constants(builder, context_ptr); - lp_build_mask_begin(&mask, builder, type, *pmask); + flow = lp_build_flow_create(builder); + + memset(outputs, 0, sizeof outputs); + + lp_build_flow_scope_begin(flow); + + /* Declare the color and z variables */ + for(chan = 0; chan < NUM_CHANNELS; ++chan) { + color[chan] = LLVMGetUndef(vec_type); + lp_build_flow_scope_declare(flow, &color[chan]); + } + lp_build_flow_scope_declare(flow, &z); + + lp_build_mask_begin(&mask, flow, type, *pmask); early_depth_test = - lp->depth_stencil->depth.enabled && - lp->framebuffer.zsbuf && - !lp->depth_stencil->alpha.enabled && - !lp->fs->info.uses_kill && - !lp->fs->info.writes_z; + key->depth.enabled && + !key->alpha.enabled && + !shader->info.uses_kill && + !shader->info.writes_z; if(early_depth_test) - generate_depth(lp, builder, &key->depth, + generate_depth(builder, key, type, &mask, z, depth_ptr); - memset(outputs, 0, sizeof outputs); - lp_build_tgsi_soa(builder, tokens, type, &mask, consts_ptr, interp->pos, interp->inputs, - outputs, emit_fetch_texel, sampler); + outputs, sampler); for (attrib = 0; attrib < shader->info.num_outputs; ++attrib) { for(chan = 0; chan < NUM_CHANNELS; ++chan) { @@ -368,12 +278,16 @@ generate_fs(struct llvmpipe_context *lp, } if(!early_depth_test) - generate_depth(lp, builder, &key->depth, + generate_depth(builder, key, type, &mask, z, depth_ptr); lp_build_mask_end(&mask); + lp_build_flow_scope_end(flow); + + lp_build_flow_destroy(flow); + *pmask = mask.value; } @@ -392,6 +306,8 @@ generate_blend(const struct pipe_blend_state *blend, LLVMValueRef dst_ptr) { struct lp_build_context bld; + struct lp_build_flow_context *flow; + struct lp_build_mask_context mask_ctx; LLVMTypeRef vec_type; LLVMTypeRef int_vec_type; LLVMValueRef const_ptr; @@ -400,11 +316,14 @@ generate_blend(const struct pipe_blend_state *blend, LLVMValueRef res[4]; unsigned chan; + lp_build_context_init(&bld, builder, type); + + flow = lp_build_flow_create(builder); + lp_build_mask_begin(&mask_ctx, flow, type, mask); + vec_type = lp_build_vec_type(type); int_vec_type = lp_build_int_vec_type(type); - lp_build_context_init(&bld, builder, type); - const_ptr = lp_jit_context_blend_color(builder, context_ptr); const_ptr = LLVMBuildBitCast(builder, const_ptr, LLVMPointerType(vec_type, 0), ""); @@ -422,11 +341,16 @@ generate_blend(const struct pipe_blend_state *blend, lp_build_blend_soa(builder, blend, type, src, dst, con, res); for(chan = 0; chan < 4; ++chan) { - LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); - lp_build_name(res[chan], "res.%c", "rgba"[chan]); - res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); - LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); + if(blend->colormask & (1 << chan)) { + LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), chan, 0); + lp_build_name(res[chan], "res.%c", "rgba"[chan]); + res[chan] = lp_build_select(&bld, mask, res[chan], dst[chan]); + LLVMBuildStore(builder, res[chan], LLVMBuildGEP(builder, dst_ptr, &index, 1, "")); + } } + + lp_build_mask_end(&mask_ctx); + lp_build_flow_destroy(flow); } @@ -462,7 +386,7 @@ generate_fragment(struct llvmpipe_context *lp, LLVMBuilderRef builder; LLVMValueRef x0; LLVMValueRef y0; - struct build_fetch_texel_context sampler; + struct lp_build_sampler_soa *sampler; struct lp_build_interp_soa_context interp; LLVMValueRef fs_mask[LP_MAX_VECTOR_LENGTH]; LLVMValueRef fs_out_color[NUM_CHANNELS][LP_MAX_VECTOR_LENGTH]; @@ -586,8 +510,13 @@ generate_fragment(struct llvmpipe_context *lp, a0_ptr, dadx_ptr, dady_ptr, x0, y0, 2, 0); - memset(&sampler, 0, sizeof sampler); - sampler.context_ptr = context_ptr; +#if 0 + /* C texture sampling */ + sampler = lp_c_sampler_soa_create(context_ptr); +#else + /* code generated texture sampling */ + sampler = lp_llvm_sampler_soa_create(key->sampler, context_ptr); +#endif for(i = 0; i < num_fs; ++i) { LLVMValueRef index = LLVMConstInt(LLVMInt32Type(), i, 0); @@ -606,7 +535,7 @@ generate_fragment(struct llvmpipe_context *lp, context_ptr, i, &interp, - &sampler, + sampler, &fs_mask[i], out_color, depth_ptr_i); @@ -615,6 +544,8 @@ generate_fragment(struct llvmpipe_context *lp, fs_out_color[chan][i] = out_color[chan]; } + sampler->destroy(sampler); + /* * Convert the fs's output color and mask to fit to the blending type. */ @@ -765,18 +696,45 @@ llvmpipe_set_constant_buffer(struct pipe_context *pipe, */ static void make_variant_key(struct llvmpipe_context *lp, + struct lp_fragment_shader *shader, struct lp_fragment_shader_variant_key *key) { + unsigned i; + memset(key, 0, sizeof *key); - memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); + if(lp->framebuffer.zsbuf && + lp->depth_stencil->depth.enabled) { + key->zsbuf_format = lp->framebuffer.zsbuf->format; + memcpy(&key->depth, &lp->depth_stencil->depth, sizeof key->depth); + } key->alpha.enabled = lp->depth_stencil->alpha.enabled; if(key->alpha.enabled) key->alpha.func = lp->depth_stencil->alpha.func; /* alpha.ref_value is passed in jit_context */ - memcpy(&key->blend, lp->blend, sizeof key->blend); + if(lp->framebuffer.cbufs[0]) { + const struct util_format_description *format_desc; + unsigned chan; + + memcpy(&key->blend, lp->blend, sizeof key->blend); + + format_desc = util_format_description(lp->framebuffer.cbufs[0]->format); + assert(format_desc->layout == UTIL_FORMAT_COLORSPACE_RGB || + format_desc->layout == UTIL_FORMAT_COLORSPACE_SRGB); + + /* mask out color channels not present in the color buffer */ + for(chan = 0; chan < 4; ++chan) { + enum util_format_swizzle swizzle = format_desc->swizzle[chan]; + if(swizzle > 4) + key->blend.colormask &= ~(1 << chan); + } + } + + for(i = 0; i < PIPE_MAX_SAMPLERS; ++i) + if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) + lp_sampler_static_state(&key->sampler[i], lp->texture[i], lp->sampler[i]); } @@ -787,7 +745,7 @@ llvmpipe_update_fs(struct llvmpipe_context *lp) struct lp_fragment_shader_variant_key key; struct lp_fragment_shader_variant *variant; - make_variant_key(lp, &key); + make_variant_key(lp, shader, &key); variant = shader->variants; while(variant) { |