1 /*
2 * Copyright (C) 2009 Maciej Cencora <m.cencora@gmail.com>
3 *
4 * All Rights Reserved.
5 *
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:
13 *
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.
17 *
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.
25 *
26 */
27
28 #include "radeon_common.h"
29 #include "radeon_texture.h"
30
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"
36
37 #include "radeon_mipmap_tree.h"
38
39 static GLboolean
do_copy_texsubimage(struct gl_context * ctx,struct radeon_tex_obj * tobj,radeon_texture_image * timg,GLint dstx,GLint dsty,struct radeon_renderbuffer * rrb,GLint x,GLint y,GLsizei width,GLsizei height)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,
45 GLint x, GLint y,
46 GLsizei width, GLsizei height)
47 {
48 radeonContextPtr radeon = RADEON_CONTEXT(ctx);
49 const GLuint face = timg->base.Base.Face;
50 const GLuint level = timg->base.Base.Level;
51 unsigned src_bpp;
52 unsigned dst_bpp;
53 mesa_format src_mesaformat;
54 mesa_format dst_mesaformat;
55 unsigned flip_y;
56
57 if (!radeon->vtbl.blit) {
58 return GL_FALSE;
59 }
60
61 // This is software renderbuffer, fallback to swrast
62 if (!rrb) {
63 return GL_FALSE;
64 }
65
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;
69 } else {
70 /* copying color */
71 flip_y = ctx->ReadBuffer->Attachment[BUFFER_COLOR0].Type == GL_NONE;
72 }
73
74 if (!timg->mt) {
75 radeon_validate_texture_miptree(ctx, &tobj->base.Sampler, &tobj->base);
76 }
77
78 assert(rrb->bo);
79 assert(timg->mt);
80 assert(timg->mt->bo);
81 assert(timg->base.Base.Width >= dstx + width);
82 assert(timg->base.Base.Height >= dsty + height);
83
84 intptr_t src_offset = rrb->draw_offset;
85 intptr_t dst_offset = radeon_miptree_image_offset(timg->mt, face, level);
86
87 if (0) {
88 fprintf(stderr, "%s: copying to face %d, level %d\n",
89 __func__, 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);
94
95 }
96
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)
104 return GL_FALSE;
105
106 if (src_bpp != dst_bpp)
107 return GL_FALSE;
108
109 switch (dst_bpp) {
110 case 2:
111 src_mesaformat = MESA_FORMAT_B5G6R5_UNORM;
112 dst_mesaformat = MESA_FORMAT_B5G6R5_UNORM;
113 break;
114 case 4:
115 src_mesaformat = MESA_FORMAT_B8G8R8A8_UNORM;
116 dst_mesaformat = MESA_FORMAT_B8G8R8A8_UNORM;
117 break;
118 case 1:
119 src_mesaformat = MESA_FORMAT_A_UNORM8;
120 dst_mesaformat = MESA_FORMAT_A_UNORM8;
121 break;
122 default:
123 return GL_FALSE;
124 }
125 }
126
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);
134 }
135
136 void
radeonCopyTexSubImage(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)137 radeonCopyTexSubImage(struct gl_context *ctx, GLuint dims,
138 struct gl_texture_image *texImage,
139 GLint xoffset, GLint yoffset, GLint slice,
140 struct gl_renderbuffer *rb,
141 GLint x, GLint y,
142 GLsizei width, GLsizei height)
143 {
144 radeonContextPtr radeon = RADEON_CONTEXT(ctx);
145 radeon_prepare_render(radeon);
146
147 if (slice != 0 || !do_copy_texsubimage(ctx,
148 radeon_tex_obj(texImage->TexObject),
149 (radeon_texture_image *)texImage,
150 xoffset, yoffset,
151 radeon_renderbuffer(rb), x, y, width, height)) {
152
153 radeon_print(RADEON_FALLBACKS, RADEON_NORMAL,
154 "Falling back to sw for glCopyTexSubImage2D\n");
155
156 _mesa_meta_CopyTexSubImage(ctx, dims, texImage,
157 xoffset, yoffset, slice,
158 rb, x, y, width, height);
159 }
160 }
161