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Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c')
-rw-r--r--src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c27
1 files changed, 17 insertions, 10 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c b/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
index fde2d653eb..5a3cf37d6d 100644
--- a/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
+++ b/src/gallium/drivers/llvmpipe/lp_tex_sample_llvm.c
@@ -80,6 +80,9 @@ struct lp_llvm_sampler_soa
/**
* 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
*/
@@ -88,7 +91,8 @@ lp_llvm_texture_member(struct lp_sampler_dynamic_state *base,
LLVMBuilderRef builder,
unsigned unit,
unsigned member_index,
- const char *member_name)
+ const char *member_name,
+ boolean emit_load)
{
struct llvmpipe_sampler_dynamic_state *state =
(struct llvmpipe_sampler_dynamic_state *)base;
@@ -109,7 +113,10 @@ lp_llvm_texture_member(struct lp_sampler_dynamic_state *base,
ptr = LLVMBuildGEP(builder, state->context_ptr, indices, Elements(indices), "");
- res = LLVMBuildLoad(builder, ptr, "");
+ if (emit_load)
+ res = LLVMBuildLoad(builder, ptr, "");
+ else
+ res = ptr;
lp_build_name(res, "context.texture%u.%s", unit, member_name);
@@ -126,22 +133,22 @@ lp_llvm_texture_member(struct lp_sampler_dynamic_state *base,
* sampler code generator a reusable module without dependencies to
* llvmpipe internals.
*/
-#define LP_LLVM_TEXTURE_MEMBER(_name, _index) \
+#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 ); \
+ return lp_llvm_texture_member(base, builder, unit, _index, #_name, _emit_load ); \
}
-LP_LLVM_TEXTURE_MEMBER(width, LP_JIT_TEXTURE_WIDTH)
-LP_LLVM_TEXTURE_MEMBER(height, LP_JIT_TEXTURE_HEIGHT)
-LP_LLVM_TEXTURE_MEMBER(depth, LP_JIT_TEXTURE_DEPTH)
-LP_LLVM_TEXTURE_MEMBER(last_level, LP_JIT_TEXTURE_LAST_LEVEL)
-LP_LLVM_TEXTURE_MEMBER(stride, LP_JIT_TEXTURE_STRIDE)
-LP_LLVM_TEXTURE_MEMBER(data_ptr, LP_JIT_TEXTURE_DATA)
+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(stride, LP_JIT_TEXTURE_STRIDE, TRUE)
+LP_LLVM_TEXTURE_MEMBER(data_ptr, LP_JIT_TEXTURE_DATA, FALSE)
static void