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-rw-r--r--src/gallium/drivers/llvmpipe/Makefile3
-rw-r--r--src/gallium/drivers/llvmpipe/SConscript3
-rw-r--r--src/gallium/drivers/llvmpipe/lp_jit.c37
-rw-r--r--src/gallium/drivers/llvmpipe/lp_jit.h27
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state.h6
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_derived.c4
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_fs.c15
-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_sampler.c10
-rw-r--r--src/gallium/drivers/llvmpipe/lp_tex_sample.h11
-rw-r--r--src/gallium/drivers/llvmpipe/lp_tex_sample_c.c (renamed from src/gallium/drivers/llvmpipe/lp_tex_sample.c)0
-rw-r--r--src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c196
11 files changed, 306 insertions, 6 deletions
diff --git a/src/gallium/drivers/llvmpipe/Makefile b/src/gallium/drivers/llvmpipe/Makefile
index c0033dea34..06c586e6bb 100644
--- a/src/gallium/drivers/llvmpipe/Makefile
+++ b/src/gallium/drivers/llvmpipe/Makefile
@@ -46,7 +46,8 @@ C_SOURCES = \
lp_state_vs.c \
lp_surface.c \
lp_tex_cache.c \
- lp_tex_sample.c \
+ lp_tex_sample_c.c \
+ lp_tex_sample_llvm.c \
lp_texture.c \
lp_tile_cache.c \
lp_tile_soa.c
diff --git a/src/gallium/drivers/llvmpipe/SConscript b/src/gallium/drivers/llvmpipe/SConscript
index b74c9c4b6e..ac1b5d6d1d 100644
--- a/src/gallium/drivers/llvmpipe/SConscript
+++ b/src/gallium/drivers/llvmpipe/SConscript
@@ -54,7 +54,8 @@ llvmpipe = env.ConvenienceLibrary(
'lp_state_vs.c',
'lp_surface.c',
'lp_tex_cache.c',
- 'lp_tex_sample.c',
+ 'lp_tex_sample_c.c',
+ 'lp_tex_sample_llvm.c',
'lp_texture.c',
'lp_tile_cache.c',
'lp_tile_soa.c',
diff --git a/src/gallium/drivers/llvmpipe/lp_jit.c b/src/gallium/drivers/llvmpipe/lp_jit.c
index d288460a1b..9465f763d5 100644
--- a/src/gallium/drivers/llvmpipe/lp_jit.c
+++ b/src/gallium/drivers/llvmpipe/lp_jit.c
@@ -44,15 +44,47 @@
static void
lp_jit_init_globals(struct llvmpipe_screen *screen)
{
- /* struct lp_jit_context */
+ LLVMTypeRef texture_type;
+
+ /* struct lp_jit_texture */
{
LLVMTypeRef elem_types[4];
+
+ elem_types[LP_JIT_TEXTURE_WIDTH] = LLVMInt32Type();
+ elem_types[LP_JIT_TEXTURE_HEIGHT] = LLVMInt32Type();
+ elem_types[LP_JIT_TEXTURE_STRIDE] = LLVMInt32Type();
+ elem_types[LP_JIT_TEXTURE_DATA] = LLVMPointerType(LLVMInt8Type(), 0);
+
+ texture_type = LLVMStructType(elem_types, Elements(elem_types), 0);
+
+ LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, width,
+ screen->target, texture_type,
+ LP_JIT_TEXTURE_WIDTH);
+ LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, height,
+ screen->target, texture_type,
+ LP_JIT_TEXTURE_HEIGHT);
+ LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, stride,
+ screen->target, texture_type,
+ LP_JIT_TEXTURE_STRIDE);
+ LP_CHECK_MEMBER_OFFSET(struct lp_jit_texture, data,
+ screen->target, texture_type,
+ LP_JIT_TEXTURE_DATA);
+ LP_CHECK_STRUCT_SIZE(struct lp_jit_texture,
+ screen->target, texture_type);
+
+ LLVMAddTypeName(screen->module, "texture", texture_type);
+ }
+
+ /* struct lp_jit_context */
+ {
+ LLVMTypeRef elem_types[5];
LLVMTypeRef context_type;
elem_types[0] = LLVMPointerType(LLVMFloatType(), 0); /* constants */
elem_types[1] = LLVMPointerType(LLVMInt8Type(), 0); /* samplers */
elem_types[2] = LLVMFloatType(); /* alpha_ref_value */
elem_types[3] = LLVMPointerType(LLVMInt8Type(), 0); /* blend_color */
+ elem_types[4] = LLVMArrayType(texture_type, PIPE_MAX_SAMPLERS); /* textures */
context_type = LLVMStructType(elem_types, Elements(elem_types), 0);
@@ -64,6 +96,9 @@ lp_jit_init_globals(struct llvmpipe_screen *screen)
screen->target, context_type, 2);
LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, blend_color,
screen->target, context_type, 3);
+ LP_CHECK_MEMBER_OFFSET(struct lp_jit_context, textures,
+ screen->target, context_type,
+ LP_JIT_CONTEXT_TEXTURES_INDEX);
LP_CHECK_STRUCT_SIZE(struct lp_jit_context,
screen->target, context_type);
diff --git a/src/gallium/drivers/llvmpipe/lp_jit.h b/src/gallium/drivers/llvmpipe/lp_jit.h
index a7fb60f9f5..c3e3e1af67 100644
--- a/src/gallium/drivers/llvmpipe/lp_jit.h
+++ b/src/gallium/drivers/llvmpipe/lp_jit.h
@@ -38,11 +38,31 @@
#include "lp_bld_struct.h"
+#include "pipe/p_state.h"
+
struct tgsi_sampler;
struct llvmpipe_screen;
+struct lp_jit_texture
+{
+ uint32_t width;
+ uint32_t height;
+ uint32_t stride;
+ const void *data;
+};
+
+
+enum {
+ LP_JIT_TEXTURE_WIDTH = 0,
+ LP_JIT_TEXTURE_HEIGHT,
+ LP_JIT_TEXTURE_STRIDE,
+ LP_JIT_TEXTURE_DATA
+};
+
+
+
/**
* This structure is passed directly to the generated fragment shader.
*
@@ -65,6 +85,8 @@ struct lp_jit_context
/* TODO: blend constant color */
uint8_t *blend_color;
+
+ struct lp_jit_texture textures[PIPE_MAX_SAMPLERS];
};
@@ -80,6 +102,11 @@ struct lp_jit_context
#define lp_jit_context_blend_color(_builder, _ptr) \
lp_build_struct_get(_builder, _ptr, 3, "blend_color")
+#define LP_JIT_CONTEXT_TEXTURES_INDEX 4
+
+#define lp_jit_context_textures(_builder, _ptr) \
+ lp_build_struct_get_ptr(_builder, _ptr, LP_JIT_CONTEXT_TEXTURES_INDEX, "textures")
+
typedef void
(*lp_jit_frag_func)(struct lp_jit_context *context,
diff --git a/src/gallium/drivers/llvmpipe/lp_state.h b/src/gallium/drivers/llvmpipe/lp_state.h
index fb10329887..0b846ecb13 100644
--- a/src/gallium/drivers/llvmpipe/lp_state.h
+++ b/src/gallium/drivers/llvmpipe/lp_state.h
@@ -36,6 +36,7 @@
#include "pipe/p_state.h"
#include "tgsi/tgsi_scan.h"
#include "lp_jit.h"
+#include "lp_bld_sample.h" /* for struct lp_sampler_static_state */
#define LP_NEW_VIEWPORT 0x1
@@ -57,7 +58,8 @@
struct tgsi_sampler;
struct vertex_info;
-
+struct pipe_context;
+struct llvmpipe_context;
struct lp_fragment_shader;
@@ -67,6 +69,8 @@ struct lp_fragment_shader_variant_key
struct pipe_depth_state depth;
struct pipe_alpha_state alpha;
struct pipe_blend_state blend;
+
+ struct lp_sampler_static_state sampler[PIPE_MAX_SAMPLERS];
};
diff --git a/src/gallium/drivers/llvmpipe/lp_state_derived.c b/src/gallium/drivers/llvmpipe/lp_state_derived.c
index 6fbb057937..e87976b9f3 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_derived.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_derived.c
@@ -250,7 +250,9 @@ void llvmpipe_update_derived( struct llvmpipe_context *llvmpipe )
if (llvmpipe->dirty & (LP_NEW_FS |
LP_NEW_BLEND |
- LP_NEW_DEPTH_STENCIL_ALPHA))
+ LP_NEW_DEPTH_STENCIL_ALPHA |
+ LP_NEW_SAMPLER |
+ LP_NEW_TEXTURE))
llvmpipe_update_fs( llvmpipe );
diff --git a/src/gallium/drivers/llvmpipe/lp_state_fs.c b/src/gallium/drivers/llvmpipe/lp_state_fs.c
index 80f705c871..1a3e168245 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_fs.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_fs.c
@@ -486,7 +486,13 @@ generate_fragment(struct llvmpipe_context *lp,
a0_ptr, dadx_ptr, dady_ptr,
x0, y0, 2, 0);
+#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);
@@ -666,8 +672,11 @@ 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);
@@ -678,6 +687,10 @@ make_variant_key(struct llvmpipe_context *lp,
/* alpha.ref_value is passed in jit_context */
memcpy(&key->blend, lp->blend, sizeof key->blend);
+
+ 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]);
}
@@ -688,7 +701,7 @@ 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) {
diff --git a/src/gallium/drivers/llvmpipe/lp_state_sampler.c b/src/gallium/drivers/llvmpipe/lp_state_sampler.c
index 4fef541b1e..c69d90c723 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_sampler.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_sampler.c
@@ -98,6 +98,16 @@ llvmpipe_set_sampler_textures(struct pipe_context *pipe,
pipe_texture_reference(&llvmpipe->texture[i], tex);
lp_tex_tile_cache_set_texture(llvmpipe->tex_cache[i], tex);
+
+ if(tex) {
+ struct llvmpipe_texture *lp_tex = llvmpipe_texture(tex);
+ struct lp_jit_texture *jit_tex = &llvmpipe->jit_context.textures[i];
+ jit_tex->width = tex->width[0];
+ jit_tex->height = tex->height[0];
+ jit_tex->stride = lp_tex->stride[0];
+ if(!lp_tex->dt)
+ jit_tex->data = lp_tex->data;
+ }
}
llvmpipe->num_textures = num;
diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample.h b/src/gallium/drivers/llvmpipe/lp_tex_sample.h
index 7d1e565885..9ad1bde956 100644
--- a/src/gallium/drivers/llvmpipe/lp_tex_sample.h
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample.h
@@ -35,6 +35,7 @@
struct llvmpipe_tex_tile_cache;
+struct lp_sampler_static_state;
/**
@@ -87,4 +88,14 @@ struct lp_build_sampler_soa *
lp_c_sampler_soa_create(LLVMValueRef context_ptr);
+/**
+ * Pure-LLVM texture sampling code generator.
+ *
+ * @param context_ptr LLVM value with the pointer to the struct lp_jit_context.
+ */
+struct lp_build_sampler_soa *
+lp_llvm_sampler_soa_create(const struct lp_sampler_static_state *key,
+ LLVMValueRef context_ptr);
+
+
#endif /* LP_TEX_SAMPLE_H */
diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample.c b/src/gallium/drivers/llvmpipe/lp_tex_sample_c.c
index 9a876f404d..9a876f404d 100644
--- a/src/gallium/drivers/llvmpipe/lp_tex_sample.c
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample_c.c
diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c b/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
new file mode 100644
index 0000000000..7d31705d01
--- /dev/null
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
@@ -0,0 +1,196 @@
+/**************************************************************************
+ *
+ * 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 "lp_bld_debug.h"
+#include "lp_bld_type.h"
+#include "lp_bld_intr.h"
+#include "lp_bld_sample.h"
+#include "lp_bld_tgsi.h"
+#include "lp_state.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.
+ *
+ * @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)
+{
+ 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_CONTEXT_TEXTURES_INDEX, 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), "");
+
+ res = LLVMBuildLoad(builder, 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) \
+ 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 ); \
+ }
+
+
+LP_LLVM_TEXTURE_MEMBER(width, LP_JIT_TEXTURE_WIDTH)
+LP_LLVM_TEXTURE_MEMBER(height, LP_JIT_TEXTURE_HEIGHT)
+LP_LLVM_TEXTURE_MEMBER(stride, LP_JIT_TEXTURE_STRIDE)
+LP_LLVM_TEXTURE_MEMBER(data_ptr, LP_JIT_TEXTURE_DATA)
+
+
+static void
+lp_llvm_sampler_soa_destroy(struct lp_build_sampler_soa *sampler)
+{
+ FREE(sampler);
+}
+
+
+static void
+lp_llvm_sampler_soa_emit_fetch_texel(struct lp_build_sampler_soa *base,
+ LLVMBuilderRef builder,
+ union 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.stride = lp_llvm_texture_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;
+}
+
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-09 13:50:49 +0000