diff options
author | Zack Rusin <zackr@vmware.com> | 2010-06-14 10:18:09 -0400 |
---|---|---|
committer | Zack Rusin <zackr@vmware.com> | 2010-07-06 13:29:04 -0400 |
commit | 01eebfe1b6de2e36dd3af0952fc8329b7073a100 (patch) | |
tree | 23f1727a4e3a8788fbf82ff6b1fd374bc4ec8b19 /src/gallium/auxiliary/draw | |
parent | ce929d8210baf0ea66f32565285f0b33cd495e46 (diff) | |
download | external_mesa3d-01eebfe1b6de2e36dd3af0952fc8329b7073a100.zip external_mesa3d-01eebfe1b6de2e36dd3af0952fc8329b7073a100.tar.gz external_mesa3d-01eebfe1b6de2e36dd3af0952fc8329b7073a100.tar.bz2 |
draw: implement vertex texture sampling using llvm
Diffstat (limited to 'src/gallium/auxiliary/draw')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_context.c | 56 | ||||
-rw-r--r-- | src/gallium/auxiliary/draw/draw_context.h | 18 | ||||
-rw-r--r-- | src/gallium/auxiliary/draw/draw_llvm.c | 98 | ||||
-rw-r--r-- | src/gallium/auxiliary/draw/draw_llvm.h | 42 | ||||
-rw-r--r-- | src/gallium/auxiliary/draw/draw_llvm_sample.c | 216 | ||||
-rw-r--r-- | src/gallium/auxiliary/draw/draw_private.h | 7 | ||||
-rw-r--r-- | src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c | 5 |
7 files changed, 416 insertions, 26 deletions
diff --git a/src/gallium/auxiliary/draw/draw_context.c b/src/gallium/auxiliary/draw/draw_context.c index dab95e5..aac1ed6 100644 --- a/src/gallium/auxiliary/draw/draw_context.c +++ b/src/gallium/auxiliary/draw/draw_context.c @@ -40,6 +40,7 @@ #if HAVE_LLVM #include "gallivm/lp_bld_init.h" +#include "draw_llvm.h" #endif struct draw_context *draw_create( struct pipe_context *pipe ) @@ -52,6 +53,7 @@ struct draw_context *draw_create( struct pipe_context *pipe ) lp_build_init(); assert(lp_build_engine); draw->engine = lp_build_engine; + draw->llvm = draw_llvm_create(draw); #endif if (!draw_init(draw)) @@ -132,6 +134,9 @@ void draw_destroy( struct draw_context *draw ) draw_pt_destroy( draw ); draw_vs_destroy( draw ); draw_gs_destroy( draw ); +#ifdef HAVE_LLVM + draw_llvm_destroy( draw->llvm ); +#endif FREE( draw ); } @@ -601,3 +606,54 @@ draw_set_so_state(struct draw_context *draw, state, sizeof(struct pipe_stream_output_state)); } + +void +draw_set_sampler_views(struct draw_context *draw, + struct pipe_sampler_view **views, + unsigned num) +{ + unsigned i; + + debug_assert(num <= PIPE_MAX_VERTEX_SAMPLERS); + + for (i = 0; i < num; ++i) + draw->sampler_views[i] = views[i]; + for (i = num; i < PIPE_MAX_VERTEX_SAMPLERS; ++i) + draw->sampler_views[i] = NULL; + + draw->num_sampler_views = num; +} + +void +draw_set_samplers(struct draw_context *draw, + struct pipe_sampler_state **samplers, + unsigned num) +{ + unsigned i; + + debug_assert(num <= PIPE_MAX_VERTEX_SAMPLERS); + + for (i = 0; i < num; ++i) + draw->samplers[i] = samplers[i]; + for (i = num; i < PIPE_MAX_VERTEX_SAMPLERS; ++i) + draw->samplers[i] = NULL; + + draw->num_samplers = num; +} + +void +draw_set_mapped_texture(struct draw_context *draw, + unsigned sampler_idx, + uint32_t width, uint32_t height, uint32_t depth, + uint32_t last_level, + uint32_t row_stride[DRAW_MAX_TEXTURE_LEVELS], + uint32_t img_stride[DRAW_MAX_TEXTURE_LEVELS], + const void *data[DRAW_MAX_TEXTURE_LEVELS]) +{ +#ifdef HAVE_LLVM + draw_llvm_set_mapped_texture(draw, + sampler_idx, + width, height, depth, last_level, + row_stride, img_stride, data); +#endif +} diff --git a/src/gallium/auxiliary/draw/draw_context.h b/src/gallium/auxiliary/draw/draw_context.h index c0122f2..724f992 100644 --- a/src/gallium/auxiliary/draw/draw_context.h +++ b/src/gallium/auxiliary/draw/draw_context.h @@ -47,6 +47,7 @@ struct draw_vertex_shader; struct draw_geometry_shader; struct tgsi_sampler; +#define DRAW_MAX_TEXTURE_LEVELS 13 /* 4K x 4K for now */ struct draw_context *draw_create( struct pipe_context *pipe ); @@ -101,6 +102,23 @@ draw_texture_samplers(struct draw_context *draw, uint num_samplers, struct tgsi_sampler **samplers); +void +draw_set_sampler_views(struct draw_context *draw, + struct pipe_sampler_view **views, + unsigned num); +void +draw_set_samplers(struct draw_context *draw, + struct pipe_sampler_state **samplers, + unsigned num); + +void +draw_set_mapped_texture(struct draw_context *draw, + unsigned sampler_idx, + uint32_t width, uint32_t height, uint32_t depth, + uint32_t last_level, + uint32_t row_stride[DRAW_MAX_TEXTURE_LEVELS], + uint32_t img_stride[DRAW_MAX_TEXTURE_LEVELS], + const void *data[DRAW_MAX_TEXTURE_LEVELS]); /* diff --git a/src/gallium/auxiliary/draw/draw_llvm.c b/src/gallium/auxiliary/draw/draw_llvm.c index f521669..42653d3 100644 --- a/src/gallium/auxiliary/draw/draw_llvm.c +++ b/src/gallium/auxiliary/draw/draw_llvm.c @@ -42,14 +42,13 @@ #include "tgsi/tgsi_dump.h" #include "util/u_cpu_detect.h" -#include "util/u_string.h" #include "util/u_pointer.h" +#include "util/u_string.h" #include <llvm-c/Transforms/Scalar.h> #define DEBUG_STORE 0 - /* generates the draw jit function */ static void draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *var); @@ -63,12 +62,19 @@ init_globals(struct draw_llvm *llvm) /* struct draw_jit_texture */ { - LLVMTypeRef elem_types[4]; + LLVMTypeRef elem_types[DRAW_JIT_TEXTURE_NUM_FIELDS]; elem_types[DRAW_JIT_TEXTURE_WIDTH] = LLVMInt32Type(); elem_types[DRAW_JIT_TEXTURE_HEIGHT] = LLVMInt32Type(); - elem_types[DRAW_JIT_TEXTURE_STRIDE] = LLVMInt32Type(); - elem_types[DRAW_JIT_TEXTURE_DATA] = LLVMPointerType(LLVMInt8Type(), 0); + elem_types[DRAW_JIT_TEXTURE_DEPTH] = LLVMInt32Type(); + elem_types[DRAW_JIT_TEXTURE_LAST_LEVEL] = LLVMInt32Type(); + elem_types[DRAW_JIT_TEXTURE_ROW_STRIDE] = + LLVMArrayType(LLVMInt32Type(), DRAW_MAX_TEXTURE_LEVELS); + elem_types[DRAW_JIT_TEXTURE_IMG_STRIDE] = + LLVMArrayType(LLVMInt32Type(), DRAW_MAX_TEXTURE_LEVELS); + elem_types[DRAW_JIT_TEXTURE_DATA] = + LLVMArrayType(LLVMPointerType(LLVMInt8Type(), 0), + DRAW_MAX_TEXTURE_LEVELS); texture_type = LLVMStructType(elem_types, Elements(elem_types), 0); @@ -78,9 +84,18 @@ init_globals(struct draw_llvm *llvm) LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, height, llvm->target, texture_type, DRAW_JIT_TEXTURE_HEIGHT); - LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, stride, + LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, depth, + llvm->target, texture_type, + DRAW_JIT_TEXTURE_DEPTH); + LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, last_level, + llvm->target, texture_type, + DRAW_JIT_TEXTURE_LAST_LEVEL); + LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, row_stride, llvm->target, texture_type, - DRAW_JIT_TEXTURE_STRIDE); + DRAW_JIT_TEXTURE_ROW_STRIDE); + LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, img_stride, + llvm->target, texture_type, + DRAW_JIT_TEXTURE_IMG_STRIDE); LP_CHECK_MEMBER_OFFSET(struct draw_jit_texture, data, llvm->target, texture_type, DRAW_JIT_TEXTURE_DATA); @@ -98,7 +113,8 @@ init_globals(struct draw_llvm *llvm) elem_types[0] = LLVMPointerType(LLVMFloatType(), 0); /* vs_constants */ elem_types[1] = LLVMPointerType(LLVMFloatType(), 0); /* vs_constants */ - elem_types[2] = LLVMArrayType(texture_type, PIPE_MAX_SAMPLERS); /* textures */ + elem_types[2] = LLVMArrayType(texture_type, + PIPE_MAX_VERTEX_SAMPLERS); /* textures */ context_type = LLVMStructType(elem_types, Elements(elem_types), 0); @@ -108,7 +124,7 @@ init_globals(struct draw_llvm *llvm) llvm->target, context_type, 1); LP_CHECK_MEMBER_OFFSET(struct draw_jit_context, textures, llvm->target, context_type, - DRAW_JIT_CONTEXT_TEXTURES_INDEX); + DRAW_JIT_CTX_TEXTURES); LP_CHECK_STRUCT_SIZE(struct draw_jit_context, llvm->target, context_type); @@ -290,7 +306,8 @@ generate_vs(struct draw_llvm *llvm, LLVMBuilderRef builder, LLVMValueRef (*outputs)[NUM_CHANNELS], const LLVMValueRef (*inputs)[NUM_CHANNELS], - LLVMValueRef context_ptr) + LLVMValueRef context_ptr, + struct lp_build_sampler_soa *sampler) { const struct tgsi_token *tokens = llvm->draw->vs.vertex_shader->state.tokens; struct lp_type vs_type; @@ -318,7 +335,7 @@ generate_vs(struct draw_llvm *llvm, NULL /*pos*/, inputs, outputs, - NULL/*sampler*/, + sampler, &llvm->draw->vs.vertex_shader->info); } @@ -641,6 +658,7 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) const int max_vertices = 4; LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; void *code; + struct lp_build_sampler_soa *sampler = 0; arg_types[0] = llvm->context_ptr_type; /* context */ arg_types[1] = llvm->vertex_header_ptr_type; /* vertex_header */ @@ -688,6 +706,10 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0); + /* code generated texture sampling */ + sampler = draw_llvm_sampler_soa_create(variant->key.sampler, + context_ptr); + #if DEBUG_STORE lp_build_printf(builder, "start = %d, end = %d, step = %d\n", start, end, step); @@ -729,7 +751,8 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) builder, outputs, ptr_aos, - context_ptr); + context_ptr, + sampler); convert_to_aos(builder, io, outputs, draw->vs.vertex_shader->info.num_outputs, @@ -737,6 +760,8 @@ draw_llvm_generate(struct draw_llvm *llvm, struct draw_llvm_variant *variant) } lp_build_loop_end_cond(builder, end, step, LLVMIntUGE, &lp_loop); + sampler->destroy(sampler); + LLVMBuildRetVoid(builder); LLVMDisposeBuilder(builder); @@ -787,6 +812,7 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian LLVMValueRef outputs[PIPE_MAX_SHADER_OUTPUTS][NUM_CHANNELS]; LLVMValueRef fetch_max; void *code; + struct lp_build_sampler_soa *sampler = 0; arg_types[0] = llvm->context_ptr_type; /* context */ arg_types[1] = llvm->vertex_header_ptr_type; /* vertex_header */ @@ -833,6 +859,10 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian step = LLVMConstInt(LLVMInt32Type(), max_vertices, 0); + /* code generated texture sampling */ + sampler = draw_llvm_sampler_soa_create(variant->key.sampler, + context_ptr); + fetch_max = LLVMBuildSub(builder, fetch_count, LLVMConstInt(LLVMInt32Type(), 1, 0), "fetch_max"); @@ -884,7 +914,8 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian builder, outputs, ptr_aos, - context_ptr); + context_ptr, + sampler); convert_to_aos(builder, io, outputs, draw->vs.vertex_shader->info.num_outputs, @@ -892,6 +923,8 @@ draw_llvm_generate_elts(struct draw_llvm *llvm, struct draw_llvm_variant *varian } lp_build_loop_end_cond(builder, fetch_count, step, LLVMIntUGE, &lp_loop); + sampler->destroy(sampler); + LLVMBuildRetVoid(builder); LLVMDisposeBuilder(builder); @@ -925,6 +958,8 @@ void draw_llvm_make_variant_key(struct draw_llvm *llvm, struct draw_llvm_variant_key *key) { + unsigned i; + memset(key, 0, sizeof(struct draw_llvm_variant_key)); key->nr_vertex_elements = llvm->draw->pt.nr_vertex_elements; @@ -936,6 +971,43 @@ draw_llvm_make_variant_key(struct draw_llvm *llvm, memcpy(&key->vs, &llvm->draw->vs.vertex_shader->state, sizeof(struct pipe_shader_state)); + + for(i = 0; i < PIPE_MAX_VERTEX_SAMPLERS; ++i) { + struct draw_vertex_shader *shader = llvm->draw->vs.vertex_shader; + if(shader->info.file_mask[TGSI_FILE_SAMPLER] & (1 << i)) + lp_sampler_static_state(&key->sampler[i], + llvm->draw->sampler_views[i], + llvm->draw->samplers[i]); + } +} + +void +draw_llvm_set_mapped_texture(struct draw_context *draw, + unsigned sampler_idx, + uint32_t width, uint32_t height, uint32_t depth, + uint32_t last_level, + uint32_t row_stride[DRAW_MAX_TEXTURE_LEVELS], + uint32_t img_stride[DRAW_MAX_TEXTURE_LEVELS], + const void *data[DRAW_MAX_TEXTURE_LEVELS]) +{ + unsigned j; + struct draw_jit_texture *jit_tex; + + assert(sampler_idx <= PIPE_MAX_VERTEX_SAMPLERS); + + + jit_tex = &draw->llvm->jit_context.textures[sampler_idx]; + + jit_tex->width = width; + jit_tex->height = height; + jit_tex->depth = depth; + jit_tex->last_level = last_level; + + for (j = 0; j <= last_level; j++) { + jit_tex->data[j] = data[j]; + jit_tex->row_stride[j] = row_stride[j]; + jit_tex->img_stride[j] = img_stride[j]; + } } void diff --git a/src/gallium/auxiliary/draw/draw_llvm.h b/src/gallium/auxiliary/draw/draw_llvm.h index 1ef009b..0544651 100644 --- a/src/gallium/auxiliary/draw/draw_llvm.h +++ b/src/gallium/auxiliary/draw/draw_llvm.h @@ -25,12 +25,13 @@ * **************************************************************************/ -#ifndef HAVE_LLVM_H -#define HAVE_LLVM_H +#ifndef DRAW_LLVM_H +#define DRAW_LLVM_H #include "draw/draw_private.h" #include "draw/draw_vs.h" +#include "gallivm/lp_bld_sample.h" #include "pipe/p_context.h" #include "util/u_simple_list.h" @@ -40,6 +41,8 @@ #include <llvm-c/Target.h> #include <llvm-c/ExecutionEngine.h> +#define DRAW_MAX_TEXTURE_LEVELS 13 /* 4K x 4K for now */ + struct draw_llvm; struct llvm_vertex_shader; @@ -47,15 +50,22 @@ struct draw_jit_texture { uint32_t width; uint32_t height; - uint32_t stride; - const void *data; + uint32_t depth; + uint32_t last_level; + uint32_t row_stride[DRAW_MAX_TEXTURE_LEVELS]; + uint32_t img_stride[DRAW_MAX_TEXTURE_LEVELS]; + const void *data[DRAW_MAX_TEXTURE_LEVELS]; }; enum { DRAW_JIT_TEXTURE_WIDTH = 0, DRAW_JIT_TEXTURE_HEIGHT, - DRAW_JIT_TEXTURE_STRIDE, - DRAW_JIT_TEXTURE_DATA + DRAW_JIT_TEXTURE_DEPTH, + DRAW_JIT_TEXTURE_LAST_LEVEL, + DRAW_JIT_TEXTURE_ROW_STRIDE, + DRAW_JIT_TEXTURE_IMG_STRIDE, + DRAW_JIT_TEXTURE_DATA, + DRAW_JIT_TEXTURE_NUM_FIELDS /* number of fields above */ }; enum { @@ -81,7 +91,7 @@ struct draw_jit_context const float *gs_constants; - struct draw_jit_texture textures[PIPE_MAX_SAMPLERS]; + struct draw_jit_texture textures[PIPE_MAX_VERTEX_SAMPLERS]; }; @@ -91,10 +101,10 @@ struct draw_jit_context #define draw_jit_context_gs_constants(_builder, _ptr) \ lp_build_struct_get(_builder, _ptr, 1, "gs_constants") -#define DRAW_JIT_CONTEXT_TEXTURES_INDEX 2 +#define DRAW_JIT_CTX_TEXTURES 2 #define draw_jit_context_textures(_builder, _ptr) \ - lp_build_struct_get_ptr(_builder, _ptr, DRAW_JIT_CONTEXT_TEXTURES_INDEX, "textures") + lp_build_struct_get_ptr(_builder, _ptr, DRAW_JIT_CTX_TEXTURES, "textures") @@ -142,6 +152,7 @@ struct draw_llvm_variant_key struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS]; unsigned nr_vertex_elements; struct pipe_shader_state vs; + struct lp_sampler_static_state sampler[PIPE_MAX_VERTEX_SAMPLERS]; }; struct draw_llvm_variant_list_item @@ -221,4 +232,17 @@ draw_llvm_translate_from(LLVMBuilderRef builder, LLVMValueRef vbuffer, enum pipe_format from_format); +struct lp_build_sampler_soa * +draw_llvm_sampler_soa_create(const struct lp_sampler_static_state *static_state, + LLVMValueRef context_ptr); + +void +draw_llvm_set_mapped_texture(struct draw_context *draw, + unsigned sampler_idx, + uint32_t width, uint32_t height, uint32_t depth, + uint32_t last_level, + uint32_t row_stride[DRAW_MAX_TEXTURE_LEVELS], + uint32_t img_stride[DRAW_MAX_TEXTURE_LEVELS], + const void *data[DRAW_MAX_TEXTURE_LEVELS]); + #endif diff --git a/src/gallium/auxiliary/draw/draw_llvm_sample.c b/src/gallium/auxiliary/draw/draw_llvm_sample.c new file mode 100644 index 0000000..2613224 --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_llvm_sample.c @@ -0,0 +1,216 @@ +/************************************************************************** + * + * Copyright 2010 VMware, Inc. + * All rights reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the + * "Software"), to deal in the Software without restriction, including + * without limitation the rights to use, copy, modify, merge, publish, + * distribute, sub license, and/or sell copies of the Software, and to + * permit persons to whom the Software is furnished to do so, subject to + * the following conditions: + * + * The above copyright notice and this permission notice (including the + * next paragraph) shall be included in all copies or substantial portions + * of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR + * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + * + **************************************************************************/ + +/** + * Texture sampling code generation + * @author Jose Fonseca <jfonseca@vmware.com> + */ + +#include "pipe/p_defines.h" +#include "pipe/p_shader_tokens.h" +#include "gallivm/lp_bld_debug.h" +#include "gallivm/lp_bld_type.h" +#include "gallivm/lp_bld_sample.h" +#include "gallivm/lp_bld_tgsi.h" + + +#include "util/u_cpu_detect.h" +#include "util/u_debug.h" +#include "util/u_memory.h" +#include "util/u_pointer.h" +#include "util/u_string.h" + +#include "draw_llvm.h" + + +/** + * This provides the bridge between the sampler state store in + * lp_jit_context and lp_jit_texture and the sampler code + * generator. It provides the texture layout information required by + * the texture sampler code generator in terms of the state stored in + * lp_jit_context and lp_jit_texture in runtime. + */ +struct draw_llvm_sampler_dynamic_state +{ + struct lp_sampler_dynamic_state base; + + const struct lp_sampler_static_state *static_state; + + LLVMValueRef context_ptr; +}; + + +/** + * This is the bridge between our sampler and the TGSI translator. + */ +struct draw_llvm_sampler_soa +{ + struct lp_build_sampler_soa base; + + struct draw_llvm_sampler_dynamic_state dynamic_state; +}; + + +/** + * Fetch the specified member of the lp_jit_texture structure. + * \param emit_load if TRUE, emit the LLVM load instruction to actually + * fetch the field's value. Otherwise, just emit the + * GEP code to address the field. + * + * @sa http://llvm.org/docs/GetElementPtr.html + */ +static LLVMValueRef +draw_llvm_texture_member(const struct lp_sampler_dynamic_state *base, + LLVMBuilderRef builder, + unsigned unit, + unsigned member_index, + const char *member_name, + boolean emit_load) +{ + struct draw_llvm_sampler_dynamic_state *state = + (struct draw_llvm_sampler_dynamic_state *)base; + LLVMValueRef indices[4]; + LLVMValueRef ptr; + LLVMValueRef res; + + debug_assert(unit < PIPE_MAX_VERTEX_SAMPLERS); + + /* context[0] */ + indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0); + /* context[0].textures */ + indices[1] = LLVMConstInt(LLVMInt32Type(), DRAW_JIT_CTX_TEXTURES, 0); + /* context[0].textures[unit] */ + indices[2] = LLVMConstInt(LLVMInt32Type(), unit, 0); + /* context[0].textures[unit].member */ + indices[3] = LLVMConstInt(LLVMInt32Type(), member_index, 0); + + ptr = LLVMBuildGEP(builder, state->context_ptr, indices, Elements(indices), ""); + + if (emit_load) + res = LLVMBuildLoad(builder, ptr, ""); + else + res = ptr; + + lp_build_name(res, "context.texture%u.%s", unit, member_name); + + return res; +} + + +/** + * Helper macro to instantiate the functions that generate the code to + * fetch the members of lp_jit_texture to fulfill the sampler code + * generator requests. + * + * This complexity is the price we have to pay to keep the texture + * sampler code generator a reusable module without dependencies to + * llvmpipe internals. + */ +#define DRAW_LLVM_TEXTURE_MEMBER(_name, _index, _emit_load) \ + static LLVMValueRef \ + draw_llvm_texture_##_name( const struct lp_sampler_dynamic_state *base, \ + LLVMBuilderRef builder, \ + unsigned unit) \ + { \ + return draw_llvm_texture_member(base, builder, unit, _index, #_name, _emit_load ); \ + } + + +DRAW_LLVM_TEXTURE_MEMBER(width, DRAW_JIT_TEXTURE_WIDTH, TRUE) +DRAW_LLVM_TEXTURE_MEMBER(height, DRAW_JIT_TEXTURE_HEIGHT, TRUE) +DRAW_LLVM_TEXTURE_MEMBER(depth, DRAW_JIT_TEXTURE_DEPTH, TRUE) +DRAW_LLVM_TEXTURE_MEMBER(last_level, DRAW_JIT_TEXTURE_LAST_LEVEL, TRUE) +DRAW_LLVM_TEXTURE_MEMBER(row_stride, DRAW_JIT_TEXTURE_ROW_STRIDE, FALSE) +DRAW_LLVM_TEXTURE_MEMBER(img_stride, DRAW_JIT_TEXTURE_IMG_STRIDE, FALSE) +DRAW_LLVM_TEXTURE_MEMBER(data_ptr, DRAW_JIT_TEXTURE_DATA, FALSE) + + +static void +draw_llvm_sampler_soa_destroy(struct lp_build_sampler_soa *sampler) +{ + FREE(sampler); +} + + +/** + * Fetch filtered values from texture. + * The 'texel' parameter returns four vectors corresponding to R, G, B, A. + */ +static void +draw_llvm_sampler_soa_emit_fetch_texel(const struct lp_build_sampler_soa *base, + LLVMBuilderRef builder, + struct lp_type type, + unsigned unit, + unsigned num_coords, + const LLVMValueRef *coords, + const LLVMValueRef *ddx, + const LLVMValueRef *ddy, + LLVMValueRef lod_bias, /* optional */ + LLVMValueRef explicit_lod, /* optional */ + LLVMValueRef *texel) +{ + struct draw_llvm_sampler_soa *sampler = (struct draw_llvm_sampler_soa *)base; + + assert(unit < PIPE_MAX_VERTEX_SAMPLERS); + + lp_build_sample_soa(builder, + &sampler->dynamic_state.static_state[unit], + &sampler->dynamic_state.base, + type, + unit, + num_coords, coords, + ddx, ddy, + lod_bias, explicit_lod, + texel); +} + + +struct lp_build_sampler_soa * +draw_llvm_sampler_soa_create(const struct lp_sampler_static_state *static_state, + LLVMValueRef context_ptr) +{ + struct draw_llvm_sampler_soa *sampler; + + sampler = CALLOC_STRUCT(draw_llvm_sampler_soa); + if(!sampler) + return NULL; + + sampler->base.destroy = draw_llvm_sampler_soa_destroy; + sampler->base.emit_fetch_texel = draw_llvm_sampler_soa_emit_fetch_texel; + sampler->dynamic_state.base.width = draw_llvm_texture_width; + sampler->dynamic_state.base.height = draw_llvm_texture_height; + sampler->dynamic_state.base.depth = draw_llvm_texture_depth; + sampler->dynamic_state.base.last_level = draw_llvm_texture_last_level; + sampler->dynamic_state.base.row_stride = draw_llvm_texture_row_stride; + sampler->dynamic_state.base.img_stride = draw_llvm_texture_img_stride; + sampler->dynamic_state.base.data_ptr = draw_llvm_texture_data_ptr; + sampler->dynamic_state.static_state = static_state; + sampler->dynamic_state.context_ptr = context_ptr; + + return &sampler->base; +} + diff --git a/src/gallium/auxiliary/draw/draw_private.h b/src/gallium/auxiliary/draw/draw_private.h index 54944a7..8af8859 100644 --- a/src/gallium/auxiliary/draw/draw_private.h +++ b/src/gallium/auxiliary/draw/draw_private.h @@ -48,6 +48,7 @@ #ifdef HAVE_LLVM #include <llvm-c/ExecutionEngine.h> +struct draw_llvm; #endif @@ -262,9 +263,15 @@ struct draw_context unsigned instance_id; #ifdef HAVE_LLVM + struct draw_llvm *llvm; LLVMExecutionEngineRef engine; #endif + struct pipe_sampler_view *sampler_views[PIPE_MAX_VERTEX_SAMPLERS]; + unsigned num_sampler_views; + const struct pipe_sampler_state *samplers[PIPE_MAX_VERTEX_SAMPLERS]; + unsigned num_samplers; + void *driver_private; }; diff --git a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c index d33969a..6aefbed 100644 --- a/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c +++ b/src/gallium/auxiliary/draw/draw_pt_fetch_shade_pipeline_llvm.c @@ -392,9 +392,6 @@ static void llvm_middle_end_destroy( struct draw_pt_middle_end *middle ) if (fpme->post_vs) draw_pt_post_vs_destroy( fpme->post_vs ); - if (fpme->llvm) - draw_llvm_destroy( fpme->llvm ); - FREE(middle); } @@ -436,7 +433,7 @@ draw_pt_fetch_pipeline_or_emit_llvm(struct draw_context *draw) if (!fpme->so_emit) goto fail; - fpme->llvm = draw_llvm_create(draw); + fpme->llvm = draw->llvm; if (!fpme->llvm) goto fail; |