| 0,0 → 1,127 |
|---|
| /************************************************************************** |
| * |
| * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. |
| * 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 TUNGSTEN GRAPHICS 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. |
| * |
| **************************************************************************/ |
| |
| #include "main/mtypes.h" |
| #include "main/enums.h" |
| #include "main/image.h" |
| #include "main/teximage.h" |
| #include "main/texstate.h" |
| #include "main/fbobject.h" |
| |
| #include "drivers/common/meta.h" |
| |
| #include "intel_screen.h" |
| #include "intel_mipmap_tree.h" |
| #include "intel_regions.h" |
| #include "intel_fbo.h" |
| #include "intel_tex.h" |
| #include "intel_blit.h" |
| #include "brw_context.h" |
| |
| #define FILE_DEBUG_FLAG DEBUG_TEXTURE |
| |
| |
| static bool |
| intel_copy_texsubimage(struct brw_context *brw, |
| struct intel_texture_image *intelImage, |
| GLint dstx, GLint dsty, GLint slice, |
| struct intel_renderbuffer *irb, |
| GLint x, GLint y, GLsizei width, GLsizei height) |
| { |
| const GLenum internalFormat = intelImage->base.Base.InternalFormat; |
| |
| intel_prepare_render(brw); |
| |
| /* glCopyTexSubImage() can be called on a multisampled renderbuffer (if |
| * that renderbuffer is associated with the window system framebuffer), |
| * however the hardware blitter can't handle this case, so fall back to |
| * meta (which can, since it uses ReadPixels). |
| */ |
| if (irb->Base.Base.NumSamples != 0) |
| return false; |
| |
| /* glCopyTexSubImage() can't be called on a multisampled texture. */ |
| assert(intelImage->base.Base.NumSamples == 0); |
| |
| if (!intelImage->mt || !irb || !irb->mt) { |
| if (unlikely(INTEL_DEBUG & DEBUG_PERF)) |
| fprintf(stderr, "%s fail %p %p (0x%08x)\n", |
| __FUNCTION__, intelImage->mt, irb, internalFormat); |
| return false; |
| } |
| |
| /* blit from src buffer to texture */ |
| if (!intel_miptree_blit(brw, |
| irb->mt, irb->mt_level, irb->mt_layer, |
| x, y, irb->Base.Base.Name == 0, |
| intelImage->mt, intelImage->base.Base.Level, |
| intelImage->base.Base.Face + slice, |
| dstx, dsty, false, |
| width, height, GL_COPY)) { |
| return false; |
| } |
| |
| return true; |
| } |
| |
| |
| static void |
| intelCopyTexSubImage(struct gl_context *ctx, GLuint dims, |
| struct gl_texture_image *texImage, |
| GLint xoffset, GLint yoffset, GLint slice, |
| struct gl_renderbuffer *rb, |
| GLint x, GLint y, |
| GLsizei width, GLsizei height) |
| { |
| struct brw_context *brw = brw_context(ctx); |
| |
| /* Try BLORP first. It can handle almost everything. */ |
| if (brw_blorp_copytexsubimage(brw, rb, texImage, slice, x, y, |
| xoffset, yoffset, width, height)) |
| return; |
| |
| /* Next, try the BLT engine. */ |
| if (intel_copy_texsubimage(brw, |
| intel_texture_image(texImage), |
| xoffset, yoffset, slice, |
| intel_renderbuffer(rb), x, y, width, height)) { |
| return; |
| } |
| |
| /* Finally, fall back to meta. This will likely be slow. */ |
| perf_debug("%s - fallback to swrast\n", __FUNCTION__); |
| _mesa_meta_CopyTexSubImage(ctx, dims, texImage, |
| xoffset, yoffset, slice, |
| rb, x, y, width, height); |
| } |
| |
| |
| void |
| intelInitTextureCopyImageFuncs(struct dd_function_table *functions) |
| { |
| functions->CopyTexSubImage = intelCopyTexSubImage; |
| } |