+++ /dev/null
-/*
- * Copyright (C) 2009 Maciej Cencora <m.cencora@gmail.com>
- *
- * 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, 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 THE COPYRIGHT OWNER(S) 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 "radeon_common.h"
-#include "radeon_context.h"
-
-#include "main/image.h"
-#include "main/teximage.h"
-#include "main/texstate.h"
-#include "drivers/common/meta.h"
-
-#include "radeon_mipmap_tree.h"
-#include "radeon_blit.h"
-#include <main/debug.h>
-
-// TODO:
-// need to pass correct pitch for small dst textures!
-static GLboolean
-do_copy_texsubimage(GLcontext *ctx,
- GLenum target, GLint level,
- struct radeon_tex_obj *tobj,
- radeon_texture_image *timg,
- GLint dstx, GLint dsty,
- GLint x, GLint y,
- GLsizei width, GLsizei height)
-{
- struct r100_context *r100 = R100_CONTEXT(ctx);
- struct radeon_renderbuffer *rrb;
-
- if (_mesa_get_format_bits(timg->base.TexFormat, GL_DEPTH_BITS) > 0) {
- rrb = radeon_get_depthbuffer(&r100->radeon);
- } else {
- rrb = radeon_get_colorbuffer(&r100->radeon);
- }
-
- if (!timg->mt) {
- radeon_validate_texture_miptree(ctx, &tobj->base);
- }
-
- assert(rrb && rrb->bo);
- assert(timg->mt->bo);
- assert(timg->base.Width >= dstx + width);
- assert(timg->base.Height >= dsty + height);
-
- intptr_t src_offset = rrb->draw_offset;
- intptr_t dst_offset = radeon_miptree_image_offset(timg->mt, _mesa_tex_target_to_face(target), level);
-
- if (src_offset % 32 || dst_offset % 32) {
- return GL_FALSE;
- }
-
- if (0) {
- fprintf(stderr, "%s: copying to face %d, level %d\n",
- __FUNCTION__, _mesa_tex_target_to_face(target), level);
- fprintf(stderr, "to: x %d, y %d, offset %d\n", dstx, dsty, (uint32_t) dst_offset);
- fprintf(stderr, "from (%dx%d) width %d, height %d, offset %d, pitch %d\n",
- x, y, rrb->base.Width, rrb->base.Height, (uint32_t) src_offset, rrb->pitch/rrb->cpp);
- fprintf(stderr, "src size %d, dst size %d\n", rrb->bo->size, timg->mt->bo->size);
-
- }
-
- /* blit from src buffer to texture */
- return r100_blit(r100, rrb->bo, src_offset, rrb->base.Format, rrb->pitch,
- rrb->base.Width, rrb->base.Height, x, y,
- timg->mt->bo, dst_offset, timg->base.TexFormat,
- timg->base.Width, timg->base.Width, timg->base.Height,
- dstx, dsty, width, height, 1);
-}
-
-static void
-r100CopyTexImage2D(GLcontext *ctx, GLenum target, GLint level,
- GLenum internalFormat,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLint border)
-{
- struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
- struct gl_texture_object *texObj =
- _mesa_select_tex_object(ctx, texUnit, target);
- struct gl_texture_image *texImage =
- _mesa_select_tex_image(ctx, texObj, target, level);
- int srcx, srcy, dstx, dsty;
-
- if (border)
- goto fail;
-
- /* Setup or redefine the texture object, mipmap tree and texture
- * image. Don't populate yet.
- */
- ctx->Driver.TexImage2D(ctx, target, level, internalFormat,
- width, height, border,
- GL_RGBA, GL_UNSIGNED_BYTE, NULL,
- &ctx->DefaultPacking, texObj, texImage);
-
- srcx = x;
- srcy = y;
- dstx = 0;
- dsty = 0;
- if (!_mesa_clip_copytexsubimage(ctx,
- &dstx, &dsty,
- &srcx, &srcy,
- &width, &height)) {
- return;
- }
-
- if (!do_copy_texsubimage(ctx, target, level,
- radeon_tex_obj(texObj), (radeon_texture_image *)texImage,
- 0, 0, x, y, width, height)) {
- goto fail;
- }
-
- return;
-
-fail:
- _mesa_meta_CopyTexImage2D(ctx, target, level, internalFormat, x, y,
- width, height, border);
-}
-
-static void
-r100CopyTexSubImage2D(GLcontext *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLint x, GLint y,
- GLsizei width, GLsizei height)
-{
- struct gl_texture_unit *texUnit = _mesa_get_current_tex_unit(ctx);
- struct gl_texture_object *texObj = _mesa_select_tex_object(ctx, texUnit, target);
- struct gl_texture_image *texImage = _mesa_select_tex_image(ctx, texObj, target, level);
-
- if (!do_copy_texsubimage(ctx, target, level,
- radeon_tex_obj(texObj), (radeon_texture_image *)texImage,
- xoffset, yoffset, x, y, width, height)) {
-
- //DEBUG_FALLBACKS
-
- _mesa_meta_CopyTexSubImage2D(ctx, target, level,
- xoffset, yoffset, x, y, width, height);
- }
-}
-
-
-void r100_init_texcopy_functions(struct dd_function_table *table)
-{
- table->CopyTexImage2D = r100CopyTexImage2D;
- table->CopyTexSubImage2D = r100CopyTexSubImage2D;
-}
projects / mesa.git / commitdiff