2 * Copyright (C) 2009 Maciej Cencora <m.cencora@gmail.com>
6 * Permission is hereby granted, free of charge, to any person obtaining
7 * a copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sublicense, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial
16 * portions of the Software.
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
19 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
21 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
22 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
23 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
24 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
28 #include "radeon_common.h"
29 #include "radeon_texture.h"
31 #include "main/enums.h"
32 #include "main/image.h"
33 #include "main/teximage.h"
34 #include "main/texstate.h"
35 #include "drivers/common/meta.h"
37 #include "radeon_mipmap_tree.h"
40 do_copy_texsubimage(struct gl_context *ctx,
41 struct radeon_tex_obj *tobj,
42 radeon_texture_image *timg,
43 GLint dstx, GLint dsty,
44 struct radeon_renderbuffer *rrb,
46 GLsizei width, GLsizei height)
48 radeonContextPtr radeon = RADEON_CONTEXT(ctx);
49 const GLuint face = timg->base.Base.Face;
50 const GLuint level = timg->base.Base.Level;
53 gl_format src_mesaformat;
54 gl_format dst_mesaformat;
57 if (!radeon->vtbl.blit) {
61 // This is software renderbuffer, fallback to swrast
66 if (_mesa_get_format_bits(timg->base.Base.TexFormat, GL_DEPTH_BITS) > 0) {
67 /* copying depth values */
68 flip_y = ctx->ReadBuffer->Attachment[BUFFER_DEPTH].Type == GL_NONE;
71 flip_y = ctx->ReadBuffer->Attachment[BUFFER_COLOR0].Type == GL_NONE;
75 radeon_validate_texture_miptree(ctx, &tobj->base);
81 assert(timg->base.Base.Width >= dstx + width);
82 assert(timg->base.Base.Height >= dsty + height);
84 intptr_t src_offset = rrb->draw_offset;
85 intptr_t dst_offset = radeon_miptree_image_offset(timg->mt, face, level);
88 fprintf(stderr, "%s: copying to face %d, level %d\n",
89 __FUNCTION__, face, level);
90 fprintf(stderr, "to: x %d, y %d, offset %d\n", dstx, dsty, (uint32_t) dst_offset);
91 fprintf(stderr, "from (%dx%d) width %d, height %d, offset %d, pitch %d\n",
92 x, y, rrb->base.Base.Width, rrb->base.Base.Height, (uint32_t) src_offset, rrb->pitch/rrb->cpp);
93 fprintf(stderr, "src size %d, dst size %d\n", rrb->bo->size, timg->mt->bo->size);
97 src_mesaformat = rrb->base.Base.Format;
98 dst_mesaformat = timg->base.Base.TexFormat;
99 src_bpp = _mesa_get_format_bytes(src_mesaformat);
100 dst_bpp = _mesa_get_format_bytes(dst_mesaformat);
101 if (!radeon->vtbl.check_blit(dst_mesaformat, rrb->pitch / rrb->cpp)) {
102 /* depth formats tend to be special */
103 if (_mesa_get_format_bits(dst_mesaformat, GL_DEPTH_BITS) > 0)
106 if (src_bpp != dst_bpp)
111 src_mesaformat = MESA_FORMAT_RGB565;
112 dst_mesaformat = MESA_FORMAT_RGB565;
115 src_mesaformat = MESA_FORMAT_ARGB8888;
116 dst_mesaformat = MESA_FORMAT_ARGB8888;
119 src_mesaformat = MESA_FORMAT_A8;
120 dst_mesaformat = MESA_FORMAT_A8;
127 /* blit from src buffer to texture */
128 return radeon->vtbl.blit(ctx, rrb->bo, src_offset, src_mesaformat, rrb->pitch/rrb->cpp,
129 rrb->base.Base.Width, rrb->base.Base.Height, x, y,
130 timg->mt->bo, dst_offset, dst_mesaformat,
131 timg->mt->levels[level].rowstride / dst_bpp,
132 timg->base.Base.Width, timg->base.Base.Height,
133 dstx, dsty, width, height, flip_y);
137 radeonCopyTexSubImage2D(struct gl_context *ctx,
138 struct gl_texture_image *texImage,
139 GLint xoffset, GLint yoffset,
140 struct gl_renderbuffer *rb,
142 GLsizei width, GLsizei height)
144 radeonContextPtr radeon = RADEON_CONTEXT(ctx);
145 radeon_prepare_render(radeon);
147 if (!do_copy_texsubimage(ctx,
148 radeon_tex_obj(texImage->TexObject),
149 (radeon_texture_image *)texImage,
151 radeon_renderbuffer(rb), x, y, width, height)) {
153 radeon_print(RADEON_FALLBACKS, RADEON_NORMAL,
154 "Falling back to sw for glCopyTexSubImage2D\n");
156 _mesa_meta_CopyTexSubImage2D(ctx, texImage,
158 rb, x, y, width, height);