156 lines
5.0 KiB
C
156 lines
5.0 KiB
C
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/**************************************************************************
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*
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* Copyright 2003 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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#include "main/bufferobj.h"
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#include "main/macros.h"
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#include "main/mtypes.h"
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#include "main/pbo.h"
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#include "main/texobj.h"
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#include "main/texstore.h"
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#include "main/texcompress.h"
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#include "main/enums.h"
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#include "intel_batchbuffer.h"
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#include "intel_context.h"
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#include "intel_tex.h"
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#include "intel_mipmap_tree.h"
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#include "intel_blit.h"
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#define FILE_DEBUG_FLAG DEBUG_TEXTURE
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static bool
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intel_blit_texsubimage(struct gl_context * ctx,
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struct gl_texture_image *texImage,
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GLint xoffset, GLint yoffset,
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GLint width, GLint height,
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GLenum format, GLenum type, const void *pixels,
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const struct gl_pixelstore_attrib *packing)
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{
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struct intel_context *intel = intel_context(ctx);
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struct intel_texture_image *intelImage = intel_texture_image(texImage);
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/* Try to do a blit upload of the subimage if the texture is
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* currently busy.
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*/
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if (!intelImage->mt)
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return false;
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/* The blitter can't handle Y tiling */
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if (intelImage->mt->region->tiling == I915_TILING_Y)
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return false;
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if (texImage->TexObject->Target != GL_TEXTURE_2D)
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return false;
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if (!drm_intel_bo_busy(intelImage->mt->region->bo))
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return false;
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DBG("BLT subimage %s target %s level %d offset %d,%d %dx%d\n",
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__func__,
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_mesa_enum_to_string(texImage->TexObject->Target),
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texImage->Level, xoffset, yoffset, width, height);
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pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1,
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format, type, pixels, packing,
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"glTexSubImage");
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if (!pixels)
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return false;
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struct intel_mipmap_tree *temp_mt =
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intel_miptree_create(intel, GL_TEXTURE_2D, texImage->TexFormat,
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0, 0,
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width, height, 1,
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false, INTEL_MIPTREE_TILING_NONE);
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if (!temp_mt)
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goto err;
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GLubyte *dst = intel_miptree_map_raw(intel, temp_mt);
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if (!dst)
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goto err;
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if (!_mesa_texstore(ctx, 2, texImage->_BaseFormat,
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texImage->TexFormat,
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temp_mt->region->pitch,
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&dst,
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width, height, 1,
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format, type, pixels, packing)) {
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_mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
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}
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intel_miptree_unmap_raw(temp_mt);
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bool ret;
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ret = intel_miptree_blit(intel,
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temp_mt, 0, 0,
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0, 0, false,
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intelImage->mt, texImage->Level, texImage->Face,
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xoffset, yoffset, false,
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width, height, COLOR_LOGICOP_COPY);
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assert(ret);
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intel_miptree_release(&temp_mt);
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_mesa_unmap_teximage_pbo(ctx, packing);
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return ret;
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err:
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_mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
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intel_miptree_release(&temp_mt);
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_mesa_unmap_teximage_pbo(ctx, packing);
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return false;
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}
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static void
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intelTexSubImage(struct gl_context * ctx,
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GLuint dims,
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struct gl_texture_image *texImage,
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GLint xoffset, GLint yoffset, GLint zoffset,
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GLsizei width, GLsizei height, GLsizei depth,
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GLenum format, GLenum type,
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const GLvoid * pixels,
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const struct gl_pixelstore_attrib *packing)
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{
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/* The intel_blit_texsubimage() function only handles 2D images */
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if (dims != 2 || !intel_blit_texsubimage(ctx, texImage,
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xoffset, yoffset,
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width, height,
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format, type, pixels, packing)) {
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_mesa_store_texsubimage(ctx, dims, texImage,
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xoffset, yoffset, zoffset,
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width, height, depth,
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format, type, pixels, packing);
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}
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}
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void
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intelInitTextureSubImageFuncs(struct dd_function_table *functions)
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{
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functions->TexSubImage = intelTexSubImage;
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}
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