| /* |
| * 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 "r300_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 "r300_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 r300_context *r300 = R300_CONTEXT(ctx); |
| struct radeon_renderbuffer *rrb; |
| |
| if (_mesa_get_format_bits(timg->base.TexFormat, GL_DEPTH_BITS) > 0) { |
| rrb = radeon_get_depthbuffer(&r300->radeon); |
| } else { |
| rrb = radeon_get_colorbuffer(&r300->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 r300_blit(r300, rrb->bo, src_offset, rrb->base.Format, rrb->pitch/rrb->cpp, |
| 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 |
| r300CopyTexImage2D(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 |
| r300CopyTexSubImage2D(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 r300_init_texcopy_functions(struct dd_function_table *table) |
| { |
| table->CopyTexImage2D = r300CopyTexImage2D; |
| table->CopyTexSubImage2D = r300CopyTexSubImage2D; |
| } |