2 /**************************************************************************
4 * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
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:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
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 TUNGSTEN GRAPHICS 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.
27 **************************************************************************/
29 #include "main/mtypes.h"
31 #include "main/texobj.h"
32 #include "main/texstore.h"
33 #include "main/texcompress.h"
34 #include "main/enums.h"
36 #include "intel_context.h"
37 #include "intel_tex.h"
38 #include "intel_mipmap_tree.h"
39 #include "intel_blit.h"
41 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
44 intel_blit_texsubimage(struct gl_context
* ctx
,
45 struct gl_texture_image
*texImage
,
46 GLint xoffset
, GLint yoffset
,
47 GLint width
, GLint height
,
48 GLenum format
, GLenum type
, const void *pixels
,
49 const struct gl_pixelstore_attrib
*packing
)
51 struct intel_context
*intel
= intel_context(ctx
);
52 struct intel_texture_image
*intelImage
= intel_texture_image(texImage
);
53 GLuint dstRowStride
= 0;
54 drm_intel_bo
*temp_bo
= NULL
;
55 unsigned int blit_x
= 0, blit_y
= 0;
57 uint32_t tiling_mode
= I915_TILING_NONE
;
60 /* Try to do a blit upload of the subimage if the texture is
66 /* The blitter can't handle Y tiling */
67 if (intelImage
->mt
->region
->tiling
== I915_TILING_Y
)
70 if (texImage
->TexObject
->Target
!= GL_TEXTURE_2D
)
73 /* On gen6, it's probably not worth swapping to the blit ring to do
74 * this because of all the overhead involved.
79 if (!drm_intel_bo_busy(intelImage
->mt
->region
->bo
))
82 DBG("BLT subimage %s target %s level %d offset %d,%d %dx%d\n",
84 _mesa_lookup_enum_by_nr(texImage
->TexObject
->Target
),
85 texImage
->Level
, xoffset
, yoffset
, width
, height
);
87 pixels
= _mesa_validate_pbo_teximage(ctx
, 2, width
, height
, 1,
88 format
, type
, pixels
, packing
,
93 temp_bo
= drm_intel_bo_alloc_tiled(intel
->bufmgr
,
100 if (temp_bo
== NULL
) {
101 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "intelTexSubImage");
105 if (drm_intel_gem_bo_map_gtt(temp_bo
)) {
106 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "intelTexSubImage");
110 dstMap
= temp_bo
->virtual;
111 dstRowStride
= pitch
;
113 intel_miptree_get_image_offset(intelImage
->mt
, texImage
->Level
,
114 intelImage
->base
.Base
.Face
, 0,
119 if (!_mesa_texstore(ctx
, 2, texImage
->_BaseFormat
,
124 format
, type
, pixels
, packing
)) {
125 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "intelTexSubImage");
129 unsigned int dst_pitch
= intelImage
->mt
->region
->pitch
*
132 drm_intel_gem_bo_unmap_gtt(temp_bo
);
134 ret
= intelEmitCopyBlit(intel
,
136 dstRowStride
/ intelImage
->mt
->cpp
,
138 dst_pitch
/ intelImage
->mt
->cpp
,
139 intelImage
->mt
->region
->bo
, 0,
140 intelImage
->mt
->region
->tiling
,
141 0, 0, blit_x
, blit_y
, width
, height
,
145 drm_intel_bo_unreference(temp_bo
);
146 _mesa_unmap_teximage_pbo(ctx
, packing
);
152 intelTexSubImage2D(struct gl_context
* ctx
,
153 struct gl_texture_image
*texImage
,
154 GLint xoffset
, GLint yoffset
,
155 GLsizei width
, GLsizei height
,
156 GLenum format
, GLenum type
,
157 const GLvoid
* pixels
,
158 const struct gl_pixelstore_attrib
*packing
)
160 if (!intel_blit_texsubimage(ctx
, texImage
,
163 format
, type
, pixels
, packing
)) {
164 _mesa_store_texsubimage2d(ctx
, texImage
,
167 format
, type
, pixels
, packing
);
172 intelInitTextureSubImageFuncs(struct dd_function_table
*functions
)
174 functions
->TexSubImage2D
= intelTexSubImage2D
;