| /************************************************************************** |
| * |
| * 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. |
| * |
| **************************************************************************/ |
| |
| #ifndef LP_BLD_FORMAT_H |
| #define LP_BLD_FORMAT_H |
| |
| |
| /** |
| * @file |
| * Pixel format helpers. |
| */ |
| |
| #include "gallivm/lp_bld.h" |
| #include "gallivm/lp_bld_init.h" |
| |
| #include "pipe/p_format.h" |
| |
| struct util_format_description; |
| struct lp_type; |
| struct lp_build_context; |
| |
| |
| #define LP_BUILD_FORMAT_CACHE_DEBUG 0 |
| /* |
| * Block cache |
| * |
| * Optional block cache to be used when unpacking big pixel blocks. |
| * Must be a power of 2 |
| */ |
| |
| #define LP_BUILD_FORMAT_CACHE_SIZE 128 |
| |
| /* |
| * Note: cache_data needs 16 byte alignment. |
| */ |
| struct lp_build_format_cache |
| { |
| PIPE_ALIGN_VAR(16) uint32_t cache_data[LP_BUILD_FORMAT_CACHE_SIZE][4][4]; |
| uint64_t cache_tags[LP_BUILD_FORMAT_CACHE_SIZE]; |
| #if LP_BUILD_FORMAT_CACHE_DEBUG |
| uint64_t cache_access_total; |
| uint64_t cache_access_miss; |
| #endif |
| }; |
| |
| |
| enum { |
| LP_BUILD_FORMAT_CACHE_MEMBER_DATA = 0, |
| LP_BUILD_FORMAT_CACHE_MEMBER_TAGS, |
| #if LP_BUILD_FORMAT_CACHE_DEBUG |
| LP_BUILD_FORMAT_CACHE_MEMBER_ACCESS_TOTAL, |
| LP_BUILD_FORMAT_CACHE_MEMBER_ACCESS_MISS, |
| #endif |
| LP_BUILD_FORMAT_CACHE_MEMBER_COUNT |
| }; |
| |
| |
| LLVMTypeRef |
| lp_build_format_cache_type(struct gallivm_state *gallivm); |
| |
| |
| /* |
| * AoS |
| */ |
| |
| LLVMValueRef |
| lp_build_format_swizzle_aos(const struct util_format_description *desc, |
| struct lp_build_context *bld, |
| LLVMValueRef unswizzled); |
| |
| LLVMValueRef |
| lp_build_pack_rgba_aos(struct gallivm_state *gallivm, |
| const struct util_format_description *desc, |
| LLVMValueRef rgba); |
| |
| LLVMValueRef |
| lp_build_fetch_rgba_aos(struct gallivm_state *gallivm, |
| const struct util_format_description *format_desc, |
| struct lp_type type, |
| boolean aligned, |
| LLVMValueRef base_ptr, |
| LLVMValueRef offset, |
| LLVMValueRef i, |
| LLVMValueRef j, |
| LLVMValueRef cache); |
| |
| LLVMValueRef |
| lp_build_fetch_rgba_aos_array(struct gallivm_state *gallivm, |
| const struct util_format_description *format_desc, |
| struct lp_type type, |
| LLVMValueRef base_ptr, |
| LLVMValueRef offset); |
| |
| |
| /* |
| * SoA |
| */ |
| |
| void |
| lp_build_format_swizzle_soa(const struct util_format_description *format_desc, |
| struct lp_build_context *bld, |
| const LLVMValueRef unswizzled[4], |
| LLVMValueRef swizzled_out[4]); |
| |
| void |
| lp_build_unpack_rgba_soa(struct gallivm_state *gallivm, |
| const struct util_format_description *format_desc, |
| struct lp_type type, |
| LLVMValueRef packed, |
| LLVMValueRef rgba_out[4]); |
| |
| void |
| lp_build_rgba8_to_fi32_soa(struct gallivm_state *gallivm, |
| struct lp_type dst_type, |
| LLVMValueRef packed, |
| LLVMValueRef *rgba); |
| |
| void |
| lp_build_fetch_rgba_soa(struct gallivm_state *gallivm, |
| const struct util_format_description *format_desc, |
| struct lp_type type, |
| LLVMValueRef base_ptr, |
| LLVMValueRef offsets, |
| LLVMValueRef i, |
| LLVMValueRef j, |
| LLVMValueRef cache, |
| LLVMValueRef rgba_out[4]); |
| |
| /* |
| * YUV |
| */ |
| |
| LLVMValueRef |
| lp_build_fetch_subsampled_rgba_aos(struct gallivm_state *gallivm, |
| const struct util_format_description *format_desc, |
| unsigned n, |
| LLVMValueRef base_ptr, |
| LLVMValueRef offset, |
| LLVMValueRef i, |
| LLVMValueRef j); |
| |
| |
| LLVMValueRef |
| lp_build_fetch_cached_texels(struct gallivm_state *gallivm, |
| const struct util_format_description *format_desc, |
| unsigned n, |
| LLVMValueRef base_ptr, |
| LLVMValueRef offset, |
| LLVMValueRef i, |
| LLVMValueRef j, |
| LLVMValueRef cache); |
| |
| |
| /* |
| * special float formats |
| */ |
| |
| LLVMValueRef |
| lp_build_float_to_smallfloat(struct gallivm_state *gallivm, |
| struct lp_type i32_type, |
| LLVMValueRef src, |
| unsigned mantissa_bits, |
| unsigned exponent_bits, |
| unsigned mantissa_start, |
| boolean has_sign); |
| |
| LLVMValueRef |
| lp_build_smallfloat_to_float(struct gallivm_state *gallivm, |
| struct lp_type f32_type, |
| LLVMValueRef src, |
| unsigned mantissa_bits, |
| unsigned exponent_bits, |
| unsigned mantissa_start, |
| boolean has_sign); |
| |
| LLVMValueRef |
| lp_build_float_to_r11g11b10(struct gallivm_state *gallivm, |
| LLVMValueRef *src); |
| |
| void |
| lp_build_r11g11b10_to_float(struct gallivm_state *gallivm, |
| LLVMValueRef src, |
| LLVMValueRef *dst); |
| |
| void |
| lp_build_rgb9e5_to_float(struct gallivm_state *gallivm, |
| LLVMValueRef src, |
| LLVMValueRef *dst); |
| |
| LLVMValueRef |
| lp_build_float_to_srgb_packed(struct gallivm_state *gallivm, |
| const struct util_format_description *dst_fmt, |
| struct lp_type src_type, |
| LLVMValueRef *src); |
| |
| LLVMValueRef |
| lp_build_srgb_to_linear(struct gallivm_state *gallivm, |
| struct lp_type src_type, |
| unsigned chan_bits, |
| LLVMValueRef src); |
| |
| |
| #endif /* !LP_BLD_FORMAT_H */ |