diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_llvm_translate.c')
| -rw-r--r-- | src/gallium/auxiliary/draw/draw_llvm_translate.c | 484 |
1 files changed, 484 insertions, 0 deletions
diff --git a/src/gallium/auxiliary/draw/draw_llvm_translate.c b/src/gallium/auxiliary/draw/draw_llvm_translate.c new file mode 100644 index 0000000000..b29ebdec3a --- /dev/null +++ b/src/gallium/auxiliary/draw/draw_llvm_translate.c @@ -0,0 +1,484 @@ +#include "draw_private.h" +#include "draw_context.h" + +#include "draw_llvm.h" + +#include "gallivm/lp_bld_arit.h" +#include "gallivm/lp_bld_interp.h" +#include "gallivm/lp_bld_struct.h" +#include "gallivm/lp_bld_type.h" +#include "gallivm/lp_bld_flow.h" +#include "gallivm/lp_bld_debug.h" +#include "gallivm/lp_bld_tgsi.h" +#include "gallivm/lp_bld_printf.h" + +#include "util/u_memory.h" +#include "pipe/p_state.h" + + +#define DRAW_DBG 0 + +static LLVMValueRef +from_64_float(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef bc = LLVMBuildBitCast(builder, val, + LLVMPointerType(LLVMDoubleType(), 0) , ""); + LLVMValueRef l = LLVMBuildLoad(builder, bc, ""); + return LLVMBuildFPTrunc(builder, l, LLVMFloatType(), ""); +} + +static LLVMValueRef +from_32_float(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef bc = LLVMBuildBitCast(builder, val, + LLVMPointerType(LLVMFloatType(), 0) , ""); + return LLVMBuildLoad(builder, bc, ""); +} + +static INLINE LLVMValueRef +from_8_uscaled(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef l = LLVMBuildLoad(builder, val, ""); + return LLVMBuildUIToFP(builder, l, LLVMFloatType(), ""); +} + +static INLINE LLVMValueRef +from_16_uscaled(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef bc = LLVMBuildBitCast(builder, val, + LLVMPointerType(LLVMIntType(16), 0) , ""); + LLVMValueRef l = LLVMBuildLoad(builder, bc, ""); + return LLVMBuildUIToFP(builder, l, LLVMFloatType(), ""); +} + +static INLINE LLVMValueRef +from_32_uscaled(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef bc = LLVMBuildBitCast(builder, val, + LLVMPointerType(LLVMIntType(32), 0) , ""); + LLVMValueRef l = LLVMBuildLoad(builder, bc, ""); + return LLVMBuildUIToFP(builder, l, LLVMFloatType(), ""); +} + +static INLINE LLVMValueRef +from_8_sscaled(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef l = LLVMBuildLoad(builder, val, ""); + return LLVMBuildSIToFP(builder, l, LLVMFloatType(), ""); +} + +static INLINE LLVMValueRef +from_16_sscaled(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef bc = LLVMBuildBitCast(builder, val, + LLVMPointerType(LLVMIntType(16), 0) , ""); + LLVMValueRef l = LLVMBuildLoad(builder, bc, ""); + return LLVMBuildSIToFP(builder, l, LLVMFloatType(), ""); +} + +static INLINE LLVMValueRef +from_32_sscaled(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef bc = LLVMBuildBitCast(builder, val, + LLVMPointerType(LLVMIntType(32), 0) , ""); + LLVMValueRef l = LLVMBuildLoad(builder, bc, ""); + return LLVMBuildSIToFP(builder, l, LLVMFloatType(), ""); +} + + +static INLINE LLVMValueRef +from_8_unorm(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef l = LLVMBuildLoad(builder, val, ""); + LLVMValueRef uscaled = LLVMBuildUIToFP(builder, l, LLVMFloatType(), ""); + return LLVMBuildFDiv(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 255.), ""); +} + +static INLINE LLVMValueRef +from_16_unorm(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef bc = LLVMBuildBitCast(builder, val, + LLVMPointerType(LLVMIntType(16), 0) , ""); + LLVMValueRef l = LLVMBuildLoad(builder, bc, ""); + LLVMValueRef uscaled = LLVMBuildUIToFP(builder, l, LLVMFloatType(), ""); + return LLVMBuildFDiv(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 65535.), ""); +} + +static INLINE LLVMValueRef +from_32_unorm(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef bc = LLVMBuildBitCast(builder, val, + LLVMPointerType(LLVMIntType(32), 0) , ""); + LLVMValueRef l = LLVMBuildLoad(builder, bc, ""); + LLVMValueRef uscaled = LLVMBuildUIToFP(builder, l, LLVMFloatType(), ""); + + return LLVMBuildFDiv(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 4294967295.), ""); +} + +static INLINE LLVMValueRef +from_8_snorm(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef l = LLVMBuildLoad(builder, val, ""); + LLVMValueRef uscaled = LLVMBuildSIToFP(builder, l, LLVMFloatType(), ""); + return LLVMBuildFDiv(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 127.0), ""); +} + +static INLINE LLVMValueRef +from_16_snorm(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef bc = LLVMBuildBitCast(builder, val, + LLVMPointerType(LLVMIntType(16), 0) , ""); + LLVMValueRef l = LLVMBuildLoad(builder, bc, ""); + LLVMValueRef uscaled = LLVMBuildSIToFP(builder, l, LLVMFloatType(), ""); + return LLVMBuildFDiv(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 32767.0f), ""); +} + +static INLINE LLVMValueRef +from_32_snorm(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef bc = LLVMBuildBitCast(builder, val, + LLVMPointerType(LLVMIntType(32), 0) , ""); + LLVMValueRef l = LLVMBuildLoad(builder, bc, ""); + LLVMValueRef uscaled = LLVMBuildSIToFP(builder, l, LLVMFloatType(), ""); + + return LLVMBuildFDiv(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 2147483647.0), ""); +} + +static INLINE LLVMValueRef +from_32_fixed(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef bc = LLVMBuildBitCast(builder, val, + LLVMPointerType(LLVMIntType(32), 0) , ""); + LLVMValueRef l = LLVMBuildLoad(builder, bc, ""); + LLVMValueRef uscaled = LLVMBuildSIToFP(builder, l, LLVMFloatType(), ""); + + return LLVMBuildFDiv(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 65536.0), ""); +} + +static LLVMValueRef +to_64_float(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + return LLVMBuildFPExt(builder, l, LLVMDoubleType(), ""); +} + +static LLVMValueRef +to_32_float(LLVMBuilderRef builder, LLVMValueRef fp) +{ + return LLVMBuildLoad(builder, fp, ""); +} + +static INLINE LLVMValueRef +to_8_uscaled(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + return LLVMBuildFPToUI(builder, l, LLVMIntType(8), ""); +} + +static INLINE LLVMValueRef +to_16_uscaled(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + return LLVMBuildFPToUI(builder, l, LLVMIntType(16), ""); +} + +static INLINE LLVMValueRef +to_32_uscaled(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + return LLVMBuildFPToUI(builder, l, LLVMIntType(32), ""); +} + +static INLINE LLVMValueRef +to_8_sscaled(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + return LLVMBuildFPToSI(builder, l, LLVMIntType(8), ""); +} + +static INLINE LLVMValueRef +to_16_sscaled(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + return LLVMBuildFPToSI(builder, l, LLVMIntType(16), ""); +} + +static INLINE LLVMValueRef +to_32_sscaled(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + return LLVMBuildFPToSI(builder, l, LLVMIntType(32), ""); +} + +static INLINE LLVMValueRef +to_8_unorm(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + LLVMValueRef uscaled = LLVMBuildFPToUI(builder, l, LLVMIntType(8), ""); + return LLVMBuildFMul(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 255.), ""); +} + +static INLINE LLVMValueRef +to_16_unorm(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + LLVMValueRef uscaled = LLVMBuildFPToUI(builder, l, LLVMIntType(32), ""); + return LLVMBuildFMul(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 65535.), ""); +} + +static INLINE LLVMValueRef +to_32_unorm(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + LLVMValueRef uscaled = LLVMBuildFPToUI(builder, l, LLVMIntType(32), ""); + + return LLVMBuildFMul(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 4294967295.), ""); +} + +static INLINE LLVMValueRef +to_8_snorm(LLVMBuilderRef builder, LLVMValueRef val) +{ + LLVMValueRef l = LLVMBuildLoad(builder, val, ""); + LLVMValueRef uscaled = LLVMBuildFPToSI(builder, l, LLVMIntType(8), ""); + return LLVMBuildFMul(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 127.0), ""); +} + +static INLINE LLVMValueRef +to_16_snorm(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + LLVMValueRef uscaled = LLVMBuildFPToSI(builder, l, LLVMIntType(16), ""); + return LLVMBuildFMul(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 32767.0f), ""); +} + +static INLINE LLVMValueRef +to_32_snorm(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + LLVMValueRef uscaled = LLVMBuildFPToSI(builder, l, LLVMIntType(32), ""); + + return LLVMBuildFMul(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 2147483647.0), ""); +} + +static INLINE LLVMValueRef +to_32_fixed(LLVMBuilderRef builder, LLVMValueRef fp) +{ + LLVMValueRef l = LLVMBuildLoad(builder, fp, ""); + LLVMValueRef uscaled = LLVMBuildFPToSI(builder, l, LLVMIntType(32), ""); + + return LLVMBuildFMul(builder, uscaled, + LLVMConstReal(LLVMFloatType(), 65536.0), ""); +} + +typedef LLVMValueRef (*from_func)(LLVMBuilderRef, LLVMValueRef); +typedef LLVMValueRef (*to_func)(LLVMBuilderRef, LLVMValueRef); + +/* so that underneath can avoid function calls which are prohibited + * for static initialization we need this conversion */ +enum ll_type { + LL_Double, + LL_Float, + LL_Int32, + LL_Int16, + LL_Int8 +}; + +static INLINE LLVMTypeRef +ll_type_to_llvm(enum ll_type type) +{ + switch (type) { + case LL_Double: + return LLVMDoubleType(); + case LL_Float: + return LLVMFloatType(); + case LL_Int32: + return LLVMInt32Type(); + case LL_Int16: + return LLVMIntType(16); + case LL_Int8: + return LLVMIntType(8); + } + return LLVMIntType(8); +} + +static INLINE int +ll_type_size(enum ll_type type) +{ + switch (type) { + case LL_Double: + return 8; + case LL_Float: + return 4; + case LL_Int32: + return 4; + case LL_Int16: + return 2; + case LL_Int8: + return 1; + } + return 1; +} + +struct draw_llvm_translate { + int format; + from_func from; + to_func to; + enum ll_type type; + int num_components; +} translates[] = +{ + {PIPE_FORMAT_R64_FLOAT, from_64_float, to_64_float, LL_Double, 1}, + {PIPE_FORMAT_R64G64_FLOAT, from_64_float, to_64_float, LL_Double, 2}, + {PIPE_FORMAT_R64G64B64_FLOAT, from_64_float, to_64_float, LL_Double, 3}, + {PIPE_FORMAT_R64G64B64A64_FLOAT, from_64_float, to_64_float, LL_Double, 4}, + {PIPE_FORMAT_R32_FLOAT, from_32_float, to_32_float, LL_Float, 1}, + {PIPE_FORMAT_R32G32_FLOAT, from_32_float, to_32_float, LL_Float, 2}, + {PIPE_FORMAT_R32G32B32_FLOAT, from_32_float, to_32_float, LL_Float, 3}, + {PIPE_FORMAT_R32G32B32A32_FLOAT, from_32_float, to_32_float, LL_Float, 4}, + + {PIPE_FORMAT_R32_UNORM, from_32_unorm, to_32_unorm, LL_Int32, 1}, + {PIPE_FORMAT_R32G32_UNORM, from_32_unorm, to_32_unorm, LL_Int32, 2}, + {PIPE_FORMAT_R32G32B32_UNORM, from_32_unorm, to_32_unorm, LL_Int32, 3}, + {PIPE_FORMAT_R32G32B32A32_UNORM, from_32_unorm, to_32_unorm, LL_Int32, 4}, + + {PIPE_FORMAT_R32_USCALED, from_32_uscaled, to_32_uscaled, LL_Int32, 1}, + {PIPE_FORMAT_R32G32_USCALED, from_32_uscaled, to_32_uscaled, LL_Int32, 2}, + {PIPE_FORMAT_R32G32B32_USCALED, from_32_uscaled, to_32_uscaled, LL_Int32, 3}, + {PIPE_FORMAT_R32G32B32A32_USCALED, from_32_uscaled, to_32_uscaled, LL_Int32, 4}, + + {PIPE_FORMAT_R32_SNORM, from_32_snorm, to_32_snorm, LL_Int32, 1}, + {PIPE_FORMAT_R32G32_SNORM, from_32_snorm, to_32_snorm, LL_Int32, 2}, + {PIPE_FORMAT_R32G32B32_SNORM, from_32_snorm, to_32_snorm, LL_Int32, 3}, + {PIPE_FORMAT_R32G32B32A32_SNORM, from_32_snorm, to_32_snorm, LL_Int32, 4}, + + {PIPE_FORMAT_R32_SSCALED, from_32_sscaled, to_32_sscaled, LL_Int32, 1}, + {PIPE_FORMAT_R32G32_SSCALED, from_32_sscaled, to_32_sscaled, LL_Int32, 2}, + {PIPE_FORMAT_R32G32B32_SSCALED, from_32_sscaled, to_32_sscaled, LL_Int32, 3}, + {PIPE_FORMAT_R32G32B32A32_SSCALED, from_32_sscaled, to_32_sscaled, LL_Int32, 4}, + + {PIPE_FORMAT_R16_UNORM, from_16_unorm, to_16_unorm, LL_Int16, 1}, + {PIPE_FORMAT_R16G16_UNORM, from_16_unorm, to_16_unorm, LL_Int16, 2}, + {PIPE_FORMAT_R16G16B16_UNORM, from_16_unorm, to_16_unorm, LL_Int16, 3}, + {PIPE_FORMAT_R16G16B16A16_UNORM, from_16_unorm, to_16_unorm, LL_Int16, 4}, + + {PIPE_FORMAT_R16_USCALED, from_16_uscaled, to_16_uscaled, LL_Int16, 1}, + {PIPE_FORMAT_R16G16_USCALED, from_16_uscaled, to_16_uscaled, LL_Int16, 2}, + {PIPE_FORMAT_R16G16B16_USCALED, from_16_uscaled, to_16_uscaled, LL_Int16, 3}, + {PIPE_FORMAT_R16G16B16A16_USCALED, from_16_uscaled, to_16_uscaled, LL_Int16, 4}, + + {PIPE_FORMAT_R16_SNORM, from_16_snorm, to_16_snorm, LL_Int16, 1}, + {PIPE_FORMAT_R16G16_SNORM, from_16_snorm, to_16_snorm, LL_Int16, 2}, + {PIPE_FORMAT_R16G16B16_SNORM, from_16_snorm, to_16_snorm, LL_Int16, 3}, + {PIPE_FORMAT_R16G16B16A16_SNORM, from_16_snorm, to_16_snorm, LL_Int16, 4}, + + {PIPE_FORMAT_R16_SSCALED, from_16_sscaled, to_16_sscaled, LL_Int16, 1}, + {PIPE_FORMAT_R16G16_SSCALED, from_16_sscaled, to_16_sscaled, LL_Int16, 2}, + {PIPE_FORMAT_R16G16B16_SSCALED, from_16_sscaled, to_16_sscaled, LL_Int16, 3}, + {PIPE_FORMAT_R16G16B16A16_SSCALED, from_16_sscaled, to_16_sscaled, LL_Int16, 4}, + + {PIPE_FORMAT_R8_UNORM, from_8_unorm, to_8_unorm, LL_Int8, 1}, + {PIPE_FORMAT_R8G8_UNORM, from_8_unorm, to_8_unorm, LL_Int8, 2}, + {PIPE_FORMAT_R8G8B8_UNORM, from_8_unorm, to_8_unorm, LL_Int8, 3}, + {PIPE_FORMAT_R8G8B8A8_UNORM, from_8_unorm, to_8_unorm, LL_Int8, 4}, + + {PIPE_FORMAT_R8_USCALED, from_8_uscaled, to_8_uscaled, LL_Int8, 1}, + {PIPE_FORMAT_R8G8_USCALED, from_8_uscaled, to_8_uscaled, LL_Int8, 2}, + {PIPE_FORMAT_R8G8B8_USCALED, from_8_uscaled, to_8_uscaled, LL_Int8, 3}, + {PIPE_FORMAT_R8G8B8A8_USCALED, from_8_uscaled, to_8_uscaled, LL_Int8, 4}, + + {PIPE_FORMAT_R8_SNORM, from_8_snorm, to_8_snorm, LL_Int8, 1}, + {PIPE_FORMAT_R8G8_SNORM, from_8_snorm, to_8_snorm, LL_Int8, 2}, + {PIPE_FORMAT_R8G8B8_SNORM, from_8_snorm, to_8_snorm, LL_Int8, 3}, + {PIPE_FORMAT_R8G8B8A8_SNORM, from_8_snorm, to_8_snorm, LL_Int8, 4}, + + {PIPE_FORMAT_R8_SSCALED, from_8_sscaled, to_8_sscaled, LL_Int8, 1}, + {PIPE_FORMAT_R8G8_SSCALED, from_8_sscaled, to_8_sscaled, LL_Int8, 2}, + {PIPE_FORMAT_R8G8B8_SSCALED, from_8_sscaled, to_8_sscaled, LL_Int8, 3}, + {PIPE_FORMAT_R8G8B8A8_SSCALED, from_8_sscaled, to_8_sscaled, LL_Int8, 4}, + + {PIPE_FORMAT_R32_FIXED, from_32_fixed, to_32_fixed, LL_Int32, 1}, + {PIPE_FORMAT_R32G32_FIXED, from_32_fixed, to_32_fixed, LL_Int32, 2}, + {PIPE_FORMAT_R32G32B32_FIXED, from_32_fixed, to_32_fixed, LL_Int32, 3}, + {PIPE_FORMAT_R32G32B32A32_FIXED, from_32_fixed, to_32_fixed, LL_Int32, 4}, + + {PIPE_FORMAT_A8R8G8B8_UNORM, from_8_unorm, to_8_unorm, LL_Int8, 4}, + {PIPE_FORMAT_B8G8R8A8_UNORM, from_8_unorm, to_8_unorm, LL_Int8, 4}, +}; + + +static LLVMValueRef +fetch(LLVMBuilderRef builder, + LLVMValueRef ptr, int val_size, int nr_components, + from_func func) +{ + int i; + int offset = 0; + LLVMValueRef res = LLVMConstNull( + LLVMVectorType(LLVMFloatType(), 4)); + LLVMValueRef defaults[4]; + + defaults[0] = LLVMConstReal(LLVMFloatType(), 0); + defaults[1] = LLVMConstReal(LLVMFloatType(), 0); + defaults[2] = LLVMConstReal(LLVMFloatType(), 0); + defaults[3] = LLVMConstReal(LLVMFloatType(), 1); + + for (i = 0; i < nr_components; ++i) { + LLVMValueRef src_index = LLVMConstInt(LLVMInt32Type(), offset, 0); + LLVMValueRef dst_index = LLVMConstInt(LLVMInt32Type(), i, 0); + LLVMValueRef src_tmp; + LLVMValueRef component; + + src_tmp = LLVMBuildGEP(builder, ptr, &src_index, 1, "src_tmp"); + + /* convert src_tmp to float */ + component = func(builder, src_tmp); + + /* vec.comp = component */ + res = LLVMBuildInsertElement(builder, + res, + component, + dst_index, ""); + offset += val_size; + } + for (; i < 4; ++i) { + LLVMValueRef dst_index = LLVMConstInt(LLVMInt32Type(), i, 0); + res = LLVMBuildInsertElement(builder, + res, + defaults[i], + dst_index, ""); + } + return res; +} + + +LLVMValueRef +draw_llvm_translate_from(LLVMBuilderRef builder, + LLVMValueRef vbuffer, + enum pipe_format from_format) +{ + int i; + for (i = 0; i < Elements(translates); ++i) { + if (translates[i].format == from_format) { + /*LLVMTypeRef type = ll_type_to_llvm(translates[i].type);*/ + return fetch(builder, + vbuffer, + ll_type_size(translates[i].type), + translates[i].num_components, + translates[i].from); + } + } + return LLVMGetUndef(LLVMVectorType(LLVMFloatType(), 4)); +} |