| |
| /************************************************************************** |
| * |
| * 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/pbo.h" |
| #include "main/texobj.h" |
| #include "main/texstore.h" |
| #include "main/texcompress.h" |
| #include "main/enums.h" |
| |
| #include "intel_context.h" |
| #include "intel_tex.h" |
| #include "intel_mipmap_tree.h" |
| #include "intel_blit.h" |
| |
| #define FILE_DEBUG_FLAG DEBUG_TEXTURE |
| |
| static bool |
| intel_blit_texsubimage(struct gl_context * ctx, |
| struct gl_texture_image *texImage, |
| GLint xoffset, GLint yoffset, |
| GLint width, GLint height, |
| GLenum format, GLenum type, const void *pixels, |
| const struct gl_pixelstore_attrib *packing) |
| { |
| struct intel_context *intel = intel_context(ctx); |
| struct intel_texture_image *intelImage = intel_texture_image(texImage); |
| GLuint dstRowStride = 0; |
| drm_intel_bo *temp_bo = NULL; |
| unsigned int blit_x = 0, blit_y = 0; |
| unsigned long pitch; |
| uint32_t tiling_mode = I915_TILING_NONE; |
| GLubyte *dstMap; |
| |
| /* Try to do a blit upload of the subimage if the texture is |
| * currently busy. |
| */ |
| if (!intelImage->mt) |
| return false; |
| |
| /* The blitter can't handle Y tiling */ |
| if (intelImage->mt->region->tiling == I915_TILING_Y) |
| return false; |
| |
| if (texImage->TexObject->Target != GL_TEXTURE_2D) |
| return false; |
| |
| /* On gen6, it's probably not worth swapping to the blit ring to do |
| * this because of all the overhead involved. |
| */ |
| if (intel->gen >= 6) |
| return false; |
| |
| if (!drm_intel_bo_busy(intelImage->mt->region->bo)) |
| return false; |
| |
| DBG("BLT subimage %s target %s level %d offset %d,%d %dx%d\n", |
| __FUNCTION__, |
| _mesa_lookup_enum_by_nr(texImage->TexObject->Target), |
| texImage->Level, xoffset, yoffset, width, height); |
| |
| pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1, |
| format, type, pixels, packing, |
| "glTexSubImage"); |
| if (!pixels) |
| return false; |
| |
| temp_bo = drm_intel_bo_alloc_tiled(intel->bufmgr, |
| "subimage blit bo", |
| width, height, |
| intelImage->mt->cpp, |
| &tiling_mode, |
| &pitch, |
| 0); |
| if (temp_bo == NULL) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage"); |
| return false; |
| } |
| |
| if (drm_intel_gem_bo_map_gtt(temp_bo)) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage"); |
| return false; |
| } |
| |
| dstMap = temp_bo->virtual; |
| dstRowStride = pitch; |
| |
| intel_miptree_get_image_offset(intelImage->mt, texImage->Level, |
| intelImage->base.Base.Face, 0, |
| &blit_x, &blit_y); |
| blit_x += xoffset; |
| blit_y += yoffset; |
| |
| if (!_mesa_texstore(ctx, 2, texImage->_BaseFormat, |
| texImage->TexFormat, |
| dstRowStride, |
| &dstMap, |
| width, height, 1, |
| format, type, pixels, packing)) { |
| _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage"); |
| } |
| |
| bool ret; |
| unsigned int dst_pitch = intelImage->mt->region->pitch * |
| intelImage->mt->cpp; |
| |
| drm_intel_gem_bo_unmap_gtt(temp_bo); |
| |
| ret = intelEmitCopyBlit(intel, |
| intelImage->mt->cpp, |
| dstRowStride / intelImage->mt->cpp, |
| temp_bo, 0, false, |
| dst_pitch / intelImage->mt->cpp, |
| intelImage->mt->region->bo, 0, |
| intelImage->mt->region->tiling, |
| 0, 0, blit_x, blit_y, width, height, |
| GL_COPY); |
| assert(ret); |
| |
| drm_intel_bo_unreference(temp_bo); |
| _mesa_unmap_teximage_pbo(ctx, packing); |
| |
| return true; |
| } |
| |
| static void |
| intelTexSubImage(struct gl_context * ctx, |
| GLuint dims, |
| struct gl_texture_image *texImage, |
| GLint xoffset, GLint yoffset, GLint zoffset, |
| GLsizei width, GLsizei height, GLsizei depth, |
| GLenum format, GLenum type, |
| const GLvoid * pixels, |
| const struct gl_pixelstore_attrib *packing) |
| { |
| /* The intel_blit_texsubimage() function only handles 2D images */ |
| if (dims != 2 || !intel_blit_texsubimage(ctx, texImage, |
| xoffset, yoffset, |
| width, height, |
| format, type, pixels, packing)) { |
| _mesa_store_texsubimage(ctx, dims, texImage, |
| xoffset, yoffset, zoffset, |
| width, height, depth, |
| format, type, pixels, packing); |
| } |
| } |
| |
| void |
| intelInitTextureSubImageFuncs(struct dd_function_table *functions) |
| { |
| functions->TexSubImage = intelTexSubImage; |
| } |