112 lines
3.9 KiB
C
112 lines
3.9 KiB
C
/**************************************************************************
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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/mtypes.h"
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#include "main/enums.h"
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#include "main/image.h"
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#include "main/teximage.h"
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#include "main/texstate.h"
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#include "main/fbobject.h"
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#include "drivers/common/meta.h"
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#include "intel_screen.h"
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#include "intel_context.h"
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#include "intel_mipmap_tree.h"
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#include "intel_regions.h"
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#include "intel_fbo.h"
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#include "intel_tex.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_copy_texsubimage(struct intel_context *intel,
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struct intel_texture_image *intelImage,
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GLint dstx, GLint dsty, GLint slice,
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struct intel_renderbuffer *irb,
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GLint x, GLint y, GLsizei width, GLsizei height)
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{
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const GLenum internalFormat = intelImage->base.Base.InternalFormat;
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intel_prepare_render(intel);
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if (!intelImage->mt || !irb || !irb->mt) {
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if (unlikely(INTEL_DEBUG & DEBUG_PERF))
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fprintf(stderr, "%s fail %p %p (0x%08x)\n",
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__func__, intelImage->mt, irb, internalFormat);
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return false;
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}
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/* blit from src buffer to texture */
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if (!intel_miptree_blit(intel,
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irb->mt, irb->mt_level, irb->mt_layer,
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x, y, irb->Base.Base.Name == 0,
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intelImage->mt, intelImage->base.Base.Level,
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intelImage->base.Base.Face + slice,
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dstx, dsty, false,
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width, height, COLOR_LOGICOP_COPY)) {
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return false;
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}
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return true;
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}
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static void
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intelCopyTexSubImage(struct gl_context *ctx, GLuint dims,
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struct gl_texture_image *texImage,
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GLint xoffset, GLint yoffset, GLint slice,
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struct gl_renderbuffer *rb,
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GLint x, GLint y,
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GLsizei width, GLsizei height)
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{
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struct intel_context *intel = intel_context(ctx);
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/* Try the BLT engine. */
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if (intel_copy_texsubimage(intel,
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intel_texture_image(texImage),
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xoffset, yoffset, slice,
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intel_renderbuffer(rb), x, y, width, height)) {
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return;
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}
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/* Otherwise, fall back to meta. This will likely be slow. */
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perf_debug("%s - fallback to swrast\n", __func__);
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_mesa_meta_CopyTexSubImage(ctx, dims, texImage,
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xoffset, yoffset, slice,
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rb, x, y, width, height);
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}
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void
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intelInitTextureCopyImageFuncs(struct dd_function_table *functions)
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{
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functions->CopyTexSubImage = intelCopyTexSubImage;
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}
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