--- /dev/null
+/**************************************************************************
+ *
+ * Copyright 2009 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
+ *
+ * This file is nothing more than ugly glue between three largely independent
+ * entities:
+ * - TGSI -> LLVM translation (i.e., lp_build_tgsi_soa)
+ * - texture sampling code generation (i.e., lp_build_sample_soa)
+ * - LLVM pipe driver
+ *
+ * All interesting code is in the functions mentioned above. There is really
+ * nothing to see here.
+ *
+ * @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 "lp_jit.h"
+#include "lp_tex_sample.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 llvmpipe_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 lp_llvm_sampler_soa
+{
+ struct lp_build_sampler_soa base;
+
+ struct llvmpipe_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
+lp_llvm_texture_member(struct lp_sampler_dynamic_state *base,
+ LLVMBuilderRef builder,
+ unsigned unit,
+ unsigned member_index,
+ const char *member_name,
+ boolean emit_load)
+{
+ struct llvmpipe_sampler_dynamic_state *state =
+ (struct llvmpipe_sampler_dynamic_state *)base;
+ LLVMValueRef indices[4];
+ LLVMValueRef ptr;
+ LLVMValueRef res;
+
+ assert(unit < PIPE_MAX_SAMPLERS);
+
+ /* context[0] */
+ indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0);
+ /* context[0].textures */
+ indices[1] = LLVMConstInt(LLVMInt32Type(), LP_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 LP_LLVM_TEXTURE_MEMBER(_name, _index, _emit_load) \
+ static LLVMValueRef \
+ lp_llvm_texture_##_name( struct lp_sampler_dynamic_state *base, \
+ LLVMBuilderRef builder, \
+ unsigned unit) \
+ { \
+ return lp_llvm_texture_member(base, builder, unit, _index, #_name, _emit_load ); \
+ }
+
+
+LP_LLVM_TEXTURE_MEMBER(width, LP_JIT_TEXTURE_WIDTH, TRUE)
+LP_LLVM_TEXTURE_MEMBER(height, LP_JIT_TEXTURE_HEIGHT, TRUE)
+LP_LLVM_TEXTURE_MEMBER(depth, LP_JIT_TEXTURE_DEPTH, TRUE)
+LP_LLVM_TEXTURE_MEMBER(last_level, LP_JIT_TEXTURE_LAST_LEVEL, TRUE)
+LP_LLVM_TEXTURE_MEMBER(row_stride, LP_JIT_TEXTURE_ROW_STRIDE, FALSE)
+LP_LLVM_TEXTURE_MEMBER(img_stride, LP_JIT_TEXTURE_IMG_STRIDE, FALSE)
+LP_LLVM_TEXTURE_MEMBER(data_ptr, LP_JIT_TEXTURE_DATA, FALSE)
+
+
+static void
+lp_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
+lp_llvm_sampler_soa_emit_fetch_texel(struct lp_build_sampler_soa *base,
+ LLVMBuilderRef builder,
+ struct lp_type type,
+ unsigned unit,
+ unsigned num_coords,
+ const LLVMValueRef *coords,
+ LLVMValueRef lodbias,
+ LLVMValueRef *texel)
+{
+ struct lp_llvm_sampler_soa *sampler = (struct lp_llvm_sampler_soa *)base;
+
+ assert(unit < PIPE_MAX_SAMPLERS);
+
+ lp_build_sample_soa(builder,
+ &sampler->dynamic_state.static_state[unit],
+ &sampler->dynamic_state.base,
+ type,
+ unit,
+ num_coords,
+ coords,
+ lodbias,
+ texel);
+}
+
+
+struct lp_build_sampler_soa *
+lp_llvm_sampler_soa_create(const struct lp_sampler_static_state *static_state,
+ LLVMValueRef context_ptr)
+{
+ struct lp_llvm_sampler_soa *sampler;
+
+ sampler = CALLOC_STRUCT(lp_llvm_sampler_soa);
+ if(!sampler)
+ return NULL;
+
+ sampler->base.destroy = lp_llvm_sampler_soa_destroy;
+ sampler->base.emit_fetch_texel = lp_llvm_sampler_soa_emit_fetch_texel;
+ sampler->dynamic_state.base.width = lp_llvm_texture_width;
+ sampler->dynamic_state.base.height = lp_llvm_texture_height;
+ sampler->dynamic_state.base.depth = lp_llvm_texture_depth;
+ sampler->dynamic_state.base.last_level = lp_llvm_texture_last_level;
+ sampler->dynamic_state.base.row_stride = lp_llvm_texture_row_stride;
+ sampler->dynamic_state.base.img_stride = lp_llvm_texture_img_stride;
+ sampler->dynamic_state.base.data_ptr = lp_llvm_texture_data_ptr;
+ sampler->dynamic_state.static_state = static_state;
+ sampler->dynamic_state.context_ptr = context_ptr;
+
+ return &sampler->base;
+}
+
+++ /dev/null
-/**************************************************************************
- *
- * Copyright 2009 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
- *
- * This file is nothing more than ugly glue between three largely independent
- * entities:
- * - TGSI -> LLVM translation (i.e., lp_build_tgsi_soa)
- * - texture sampling code generation (i.e., lp_build_sample_soa)
- * - LLVM pipe driver
- *
- * All interesting code is in the functions mentioned above. There is really
- * nothing to see here.
- *
- * @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 "lp_jit.h"
-#include "lp_tex_sample.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 llvmpipe_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 lp_llvm_sampler_soa
-{
- struct lp_build_sampler_soa base;
-
- struct llvmpipe_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
-lp_llvm_texture_member(struct lp_sampler_dynamic_state *base,
- LLVMBuilderRef builder,
- unsigned unit,
- unsigned member_index,
- const char *member_name,
- boolean emit_load)
-{
- struct llvmpipe_sampler_dynamic_state *state =
- (struct llvmpipe_sampler_dynamic_state *)base;
- LLVMValueRef indices[4];
- LLVMValueRef ptr;
- LLVMValueRef res;
-
- assert(unit < PIPE_MAX_SAMPLERS);
-
- /* context[0] */
- indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0);
- /* context[0].textures */
- indices[1] = LLVMConstInt(LLVMInt32Type(), LP_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 LP_LLVM_TEXTURE_MEMBER(_name, _index, _emit_load) \
- static LLVMValueRef \
- lp_llvm_texture_##_name( struct lp_sampler_dynamic_state *base, \
- LLVMBuilderRef builder, \
- unsigned unit) \
- { \
- return lp_llvm_texture_member(base, builder, unit, _index, #_name, _emit_load ); \
- }
-
-
-LP_LLVM_TEXTURE_MEMBER(width, LP_JIT_TEXTURE_WIDTH, TRUE)
-LP_LLVM_TEXTURE_MEMBER(height, LP_JIT_TEXTURE_HEIGHT, TRUE)
-LP_LLVM_TEXTURE_MEMBER(depth, LP_JIT_TEXTURE_DEPTH, TRUE)
-LP_LLVM_TEXTURE_MEMBER(last_level, LP_JIT_TEXTURE_LAST_LEVEL, TRUE)
-LP_LLVM_TEXTURE_MEMBER(row_stride, LP_JIT_TEXTURE_ROW_STRIDE, FALSE)
-LP_LLVM_TEXTURE_MEMBER(img_stride, LP_JIT_TEXTURE_IMG_STRIDE, FALSE)
-LP_LLVM_TEXTURE_MEMBER(data_ptr, LP_JIT_TEXTURE_DATA, FALSE)
-
-
-static void
-lp_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
-lp_llvm_sampler_soa_emit_fetch_texel(struct lp_build_sampler_soa *base,
- LLVMBuilderRef builder,
- struct lp_type type,
- unsigned unit,
- unsigned num_coords,
- const LLVMValueRef *coords,
- LLVMValueRef lodbias,
- LLVMValueRef *texel)
-{
- struct lp_llvm_sampler_soa *sampler = (struct lp_llvm_sampler_soa *)base;
-
- assert(unit < PIPE_MAX_SAMPLERS);
-
- lp_build_sample_soa(builder,
- &sampler->dynamic_state.static_state[unit],
- &sampler->dynamic_state.base,
- type,
- unit,
- num_coords,
- coords,
- lodbias,
- texel);
-}
-
-
-struct lp_build_sampler_soa *
-lp_llvm_sampler_soa_create(const struct lp_sampler_static_state *static_state,
- LLVMValueRef context_ptr)
-{
- struct lp_llvm_sampler_soa *sampler;
-
- sampler = CALLOC_STRUCT(lp_llvm_sampler_soa);
- if(!sampler)
- return NULL;
-
- sampler->base.destroy = lp_llvm_sampler_soa_destroy;
- sampler->base.emit_fetch_texel = lp_llvm_sampler_soa_emit_fetch_texel;
- sampler->dynamic_state.base.width = lp_llvm_texture_width;
- sampler->dynamic_state.base.height = lp_llvm_texture_height;
- sampler->dynamic_state.base.depth = lp_llvm_texture_depth;
- sampler->dynamic_state.base.last_level = lp_llvm_texture_last_level;
- sampler->dynamic_state.base.row_stride = lp_llvm_texture_row_stride;
- sampler->dynamic_state.base.img_stride = lp_llvm_texture_img_stride;
- sampler->dynamic_state.base.data_ptr = lp_llvm_texture_data_ptr;
- sampler->dynamic_state.static_state = static_state;
- sampler->dynamic_state.context_ptr = context_ptr;
-
- return &sampler->base;
-}
-
projects / mesa.git / commitdiff