1
2 /**************************************************************************
3 *
4 * Copyright 2003 VMware, Inc.
5 * All Rights Reserved.
6 *
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
14 *
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
17 * of the Software.
18 *
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 *
27 **************************************************************************/
28
29 #include "main/bufferobj.h"
30 #include "main/macros.h"
31 #include "main/mtypes.h"
32 #include "main/pbo.h"
33 #include "main/texobj.h"
34 #include "main/texstore.h"
35 #include "main/texcompress.h"
36 #include "main/enums.h"
37
38 #include "intel_batchbuffer.h"
39 #include "intel_context.h"
40 #include "intel_tex.h"
41 #include "intel_mipmap_tree.h"
42 #include "intel_blit.h"
43
44 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
45
46 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)47 intel_blit_texsubimage(struct gl_context * ctx,
48 struct gl_texture_image *texImage,
49 GLint xoffset, GLint yoffset,
50 GLint width, GLint height,
51 GLenum format, GLenum type, const void *pixels,
52 const struct gl_pixelstore_attrib *packing)
53 {
54 struct intel_context *intel = intel_context(ctx);
55 struct intel_texture_image *intelImage = intel_texture_image(texImage);
56
57 /* Try to do a blit upload of the subimage if the texture is
58 * currently busy.
59 */
60 if (!intelImage->mt)
61 return false;
62
63 /* The blitter can't handle Y tiling */
64 if (intelImage->mt->region->tiling == I915_TILING_Y)
65 return false;
66
67 if (texImage->TexObject->Target != GL_TEXTURE_2D)
68 return false;
69
70 if (!drm_intel_bo_busy(intelImage->mt->region->bo))
71 return false;
72
73 DBG("BLT subimage %s target %s level %d offset %d,%d %dx%d\n",
74 __func__,
75 _mesa_enum_to_string(texImage->TexObject->Target),
76 texImage->Level, xoffset, yoffset, width, height);
77
78 pixels = _mesa_validate_pbo_teximage(ctx, 2, width, height, 1,
79 format, type, pixels, packing,
80 "glTexSubImage");
81 if (!pixels)
82 return false;
83
84 struct intel_mipmap_tree *temp_mt =
85 intel_miptree_create(intel, GL_TEXTURE_2D, texImage->TexFormat,
86 0, 0,
87 width, height, 1,
88 false, INTEL_MIPTREE_TILING_NONE);
89 if (!temp_mt)
90 goto err;
91
92 GLubyte *dst = intel_miptree_map_raw(intel, temp_mt);
93 if (!dst)
94 goto err;
95
96 if (!_mesa_texstore(ctx, 2, texImage->_BaseFormat,
97 texImage->TexFormat,
98 temp_mt->region->pitch,
99 &dst,
100 width, height, 1,
101 format, type, pixels, packing)) {
102 _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
103 }
104
105 intel_miptree_unmap_raw(temp_mt);
106
107 bool ret;
108
109 ret = intel_miptree_blit(intel,
110 temp_mt, 0, 0,
111 0, 0, false,
112 intelImage->mt, texImage->Level, texImage->Face,
113 xoffset, yoffset, false,
114 width, height, COLOR_LOGICOP_COPY);
115 assert(ret);
116
117 intel_miptree_release(&temp_mt);
118 _mesa_unmap_teximage_pbo(ctx, packing);
119
120 return ret;
121
122 err:
123 _mesa_error(ctx, GL_OUT_OF_MEMORY, "intelTexSubImage");
124 intel_miptree_release(&temp_mt);
125 _mesa_unmap_teximage_pbo(ctx, packing);
126 return false;
127 }
128
129 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)130 intelTexSubImage(struct gl_context * ctx,
131 GLuint dims,
132 struct gl_texture_image *texImage,
133 GLint xoffset, GLint yoffset, GLint zoffset,
134 GLsizei width, GLsizei height, GLsizei depth,
135 GLenum format, GLenum type,
136 const GLvoid * pixels,
137 const struct gl_pixelstore_attrib *packing)
138 {
139 /* The intel_blit_texsubimage() function only handles 2D images */
140 if (dims != 2 || !intel_blit_texsubimage(ctx, texImage,
141 xoffset, yoffset,
142 width, height,
143 format, type, pixels, packing)) {
144 _mesa_store_texsubimage(ctx, dims, texImage,
145 xoffset, yoffset, zoffset,
146 width, height, depth,
147 format, type, pixels, packing);
148 }
149 }
150
151 void
intelInitTextureSubImageFuncs(struct dd_function_table * functions)152 intelInitTextureSubImageFuncs(struct dd_function_table *functions)
153 {
154 functions->TexSubImage = intelTexSubImage;
155 }
156