diff options
Diffstat (limited to 'src/mesa/drivers/dri/i965/intel_tiled_memcpy.h')
| -rw-r--r-- | src/mesa/drivers/dri/i965/intel_tiled_memcpy.h | 139 |
1 files changed, 0 insertions, 139 deletions
diff --git a/src/mesa/drivers/dri/i965/intel_tiled_memcpy.h b/src/mesa/drivers/dri/i965/intel_tiled_memcpy.h deleted file mode 100644 index 90aadf9e090..00000000000 --- a/src/mesa/drivers/dri/i965/intel_tiled_memcpy.h +++ /dev/null @@ -1,139 +0,0 @@ -/* - * Mesa 3-D graphics library - * - * Copyright 2012 Intel Corporation - * Copyright 2013 Google - * - * 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, sublicense, 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 NONINFRINGEMENT. - * 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. - * - * Authors: - * Chad Versace <[email protected]> - * Frank Henigman <[email protected]> - */ - -#ifndef INTEL_TILED_MEMCPY_H -#define INTEL_TILED_MEMCPY_H - -#include <stdint.h> -#include "main/mtypes.h" - -typedef enum { - INTEL_COPY_MEMCPY = 0, - INTEL_COPY_RGBA8, - INTEL_COPY_STREAMING_LOAD, - INTEL_COPY_INVALID, -} mem_copy_fn_type; - -typedef void *(*mem_copy_fn)(void *dest, const void *src, size_t n); - -typedef void (*tiled_to_linear_fn) - (uint32_t xt1, uint32_t xt2, - uint32_t yt1, uint32_t yt2, - char *dst, const char *src, - int32_t dst_pitch, uint32_t src_pitch, - bool has_swizzling, - enum isl_tiling tiling, - mem_copy_fn_type copy_type); - -void -linear_to_tiled(uint32_t xt1, uint32_t xt2, - uint32_t yt1, uint32_t yt2, - char *dst, const char *src, - uint32_t dst_pitch, int32_t src_pitch, - bool has_swizzling, - enum isl_tiling tiling, - mem_copy_fn_type copy_type); - -void -tiled_to_linear(uint32_t xt1, uint32_t xt2, - uint32_t yt1, uint32_t yt2, - char *dst, const char *src, - int32_t dst_pitch, uint32_t src_pitch, - bool has_swizzling, - enum isl_tiling tiling, - mem_copy_fn_type copy_type); - -/** - * Determine which copy function to use for the given format combination - * - * The only two possible copy functions which are ever returned are a - * direct memcpy and a RGBA <-> BGRA copy function. Since RGBA -> BGRA and - * BGRA -> RGBA are exactly the same operation (and memcpy is obviously - * symmetric), it doesn't matter whether the copy is from the tiled image - * to the untiled or vice versa. The copy function required is the same in - * either case so this function can be used. - * - * \param[in] tiledFormat The format of the tiled image - * \param[in] format The GL format of the client data - * \param[in] type The GL type of the client data - * \param[out] mem_copy Will be set to one of either the standard - * library's memcpy or a different copy function - * that performs an RGBA to BGRA conversion - * \param[out] cpp Number of bytes per channel - * - * \return true if the format and type combination are valid - */ -static MAYBE_UNUSED bool -intel_get_memcpy_type(mesa_format tiledFormat, GLenum format, GLenum type, - mem_copy_fn_type *copy_type, uint32_t *cpp) -{ - *copy_type = INTEL_COPY_INVALID; - - if (type == GL_UNSIGNED_INT_8_8_8_8_REV && - !(format == GL_RGBA || format == GL_BGRA)) - return false; /* Invalid type/format combination */ - - if ((tiledFormat == MESA_FORMAT_L_UNORM8 && format == GL_LUMINANCE) || - (tiledFormat == MESA_FORMAT_A_UNORM8 && format == GL_ALPHA)) { - *cpp = 1; - *copy_type = INTEL_COPY_MEMCPY; - } else if ((tiledFormat == MESA_FORMAT_B8G8R8A8_UNORM) || - (tiledFormat == MESA_FORMAT_B8G8R8X8_UNORM) || - (tiledFormat == MESA_FORMAT_B8G8R8A8_SRGB) || - (tiledFormat == MESA_FORMAT_B8G8R8X8_SRGB)) { - *cpp = 4; - if (format == GL_BGRA) { - *copy_type = INTEL_COPY_MEMCPY; - } else if (format == GL_RGBA) { - *copy_type = INTEL_COPY_RGBA8; - } - } else if ((tiledFormat == MESA_FORMAT_R8G8B8A8_UNORM) || - (tiledFormat == MESA_FORMAT_R8G8B8X8_UNORM) || - (tiledFormat == MESA_FORMAT_R8G8B8A8_SRGB) || - (tiledFormat == MESA_FORMAT_R8G8B8X8_SRGB)) { - *cpp = 4; - if (format == GL_BGRA) { - /* Copying from RGBA to BGRA is the same as BGRA to RGBA so we can - * use the same function. - */ - *copy_type = INTEL_COPY_RGBA8; - } else if (format == GL_RGBA) { - *copy_type = INTEL_COPY_MEMCPY; - } - } - - if (*copy_type == INTEL_COPY_INVALID) - return false; - - return true; -} - -#endif /* INTEL_TILED_MEMCPY */ |