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llvmpipe: Eliminate lp_build_load_rgba_aos.

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This commit is contained in:
José Fonseca
2009-10-22 20:58:35 +01:00
parent b4f6907b8d
commit 232b586464
3 changed files with 15 additions and 52 deletions
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16
src/gallium/drivers/llvmpipe/lp_bld_format.h
View File

@@ -51,7 +51,7 @@ struct lp_type;
*/
LLVMValueRef
lp_build_unpack_rgba_aos(LLVMBuilderRef builder,
enum pipe_format format,
const struct util_format_description *desc,
LLVMValueRef packed);
@@ -66,20 +66,6 @@ lp_build_pack_rgba_aos(LLVMBuilderRef builder,
LLVMValueRef rgba);
/**
* Load a pixel into its RGBA components.
*
* @param ptr value with the pointer to the packed pixel. Pointer type is
* irrelevant.
*
* @return RGBA in a 4 floats vector.
*/
LLVMValueRef
lp_build_load_rgba_aos(LLVMBuilderRef builder,
enum pipe_format format,
LLVMValueRef ptr);
/**
* Store a pixel.
*

32
src/gallium/drivers/llvmpipe/lp_bld_format_aos.c
View File

@@ -33,10 +33,9 @@
LLVMValueRef
lp_build_unpack_rgba_aos(LLVMBuilderRef builder,
enum pipe_format format,
const struct util_format_description *desc,
LLVMValueRef packed)
{
const struct util_format_description *desc;
LLVMTypeRef type;
LLVMValueRef shifted, casted, scaled, masked;
LLVMValueRef shifts[4];
@@ -49,8 +48,6 @@ lp_build_unpack_rgba_aos(LLVMBuilderRef builder,
unsigned shift;
unsigned i;
desc = util_format_description(format);
/* FIXME: Support more formats */
assert(desc->layout == UTIL_FORMAT_LAYOUT_ARITH);
assert(desc->block.width == 1);
@@ -249,33 +246,6 @@ lp_build_pack_rgba_aos(LLVMBuilderRef builder,
}
LLVMValueRef
lp_build_load_rgba_aos(LLVMBuilderRef builder,
enum pipe_format format,
LLVMValueRef ptr)
{
const struct util_format_description *desc;
LLVMTypeRef type;
LLVMValueRef packed;
desc = util_format_description(format);
/* FIXME: Support more formats */
assert(desc->layout == UTIL_FORMAT_LAYOUT_ARITH);
assert(desc->block.width == 1);
assert(desc->block.height == 1);
assert(desc->block.bits <= 32);
type = LLVMIntType(desc->block.bits);
ptr = LLVMBuildBitCast(builder, ptr, LLVMPointerType(type, 0), "");
packed = LLVMBuildLoad(builder, ptr, "");
return lp_build_unpack_rgba_aos(builder, format, packed);
}
void
lp_build_store_rgba_aos(LLVMBuilderRef builder,
enum pipe_format format,

19
src/gallium/drivers/llvmpipe/lp_test_format.c
View File

@@ -89,34 +89,41 @@ struct pixel_test_case test_cases[] =
};
typedef void (*load_ptr_t)(const void *, float *);
typedef void (*load_ptr_t)(const uint32_t packed, float *);
static LLVMValueRef
add_load_rgba_test(LLVMModuleRef module,
enum pipe_format format)
{
const struct util_format_description *desc;
LLVMTypeRef args[2];
LLVMValueRef func;
LLVMValueRef ptr;
LLVMValueRef packed;
LLVMValueRef rgba_ptr;
LLVMBasicBlockRef block;
LLVMBuilderRef builder;
LLVMValueRef rgba;
args[0] = LLVMPointerType(LLVMInt8Type(), 0);
desc = util_format_description(format);
args[0] = LLVMInt32Type();
args[1] = LLVMPointerType(LLVMVectorType(LLVMFloatType(), 4), 0);
func = LLVMAddFunction(module, "load", LLVMFunctionType(LLVMVoidType(), args, 2, 0));
LLVMSetFunctionCallConv(func, LLVMCCallConv);
ptr = LLVMGetParam(func, 0);
packed = LLVMGetParam(func, 0);
rgba_ptr = LLVMGetParam(func, 1);
block = LLVMAppendBasicBlock(func, "entry");
builder = LLVMCreateBuilder();
LLVMPositionBuilderAtEnd(builder, block);
rgba = lp_build_load_rgba_aos(builder, format, ptr);
if(desc->block.bits < 32)
packed = LLVMBuildTrunc(builder, packed, LLVMIntType(desc->block.bits), "");
rgba = lp_build_unpack_rgba_aos(builder, desc, packed);
LLVMBuildStore(builder, rgba, rgba_ptr);
LLVMBuildRetVoid(builder);
@@ -224,7 +231,7 @@ test_format(const struct pixel_test_case *test)
memset(unpacked, 0, sizeof unpacked);
packed = 0;
load_ptr(&test->packed, unpacked);
load_ptr(test->packed, unpacked);
store_ptr(&packed, unpacked);
success = TRUE;