2 #include "main/glheader.h"
3 #include "main/macros.h"
4 #include "main/mtypes.h"
5 #include "main/enums.h"
6 #include "main/bufferobj.h"
7 #include "main/context.h"
8 #include "main/formats.h"
9 #include "main/image.h"
11 #include "main/renderbuffer.h"
12 #include "main/texcompress.h"
13 #include "main/texgetimage.h"
14 #include "main/texobj.h"
15 #include "main/teximage.h"
16 #include "main/texstore.h"
18 #include "drivers/common/meta.h"
20 #include "intel_mipmap_tree.h"
21 #include "intel_buffer_objects.h"
22 #include "intel_batchbuffer.h"
23 #include "intel_tex.h"
24 #include "intel_blit.h"
25 #include "intel_fbo.h"
26 #include "intel_image.h"
27 #include "intel_tiled_memcpy.h"
28 #include "brw_context.h"
30 #define FILE_DEBUG_FLAG DEBUG_TEXTURE
32 /* Work back from the specified level of the image to the baselevel and create a
33 * miptree of that size.
35 struct intel_mipmap_tree
*
36 intel_miptree_create_for_teximage(struct brw_context
*brw
,
37 struct intel_texture_object
*intelObj
,
38 struct intel_texture_image
*intelImage
,
39 uint32_t layout_flags
)
42 int width
, height
, depth
;
45 intel_get_image_dims(&intelImage
->base
.Base
, &width
, &height
, &depth
);
47 DBG("%s\n", __func__
);
49 /* Figure out image dimensions at start level. */
50 for (i
= intelImage
->base
.Base
.Level
; i
> 0; i
--) {
58 /* Guess a reasonable value for lastLevel. This is probably going
59 * to be wrong fairly often and might mean that we have to look at
60 * resizable buffers, or require that buffers implement lazy
61 * pagetable arrangements.
63 if ((intelObj
->base
.Sampler
.MinFilter
== GL_NEAREST
||
64 intelObj
->base
.Sampler
.MinFilter
== GL_LINEAR
) &&
65 intelImage
->base
.Base
.Level
== 0 &&
66 !intelObj
->base
.GenerateMipmap
) {
69 lastLevel
= _mesa_get_tex_max_num_levels(intelObj
->base
.Target
,
70 width
, height
, depth
) - 1;
73 return intel_miptree_create(brw
,
74 intelObj
->base
.Target
,
75 intelImage
->base
.Base
.TexFormat
,
81 intelImage
->base
.Base
.NumSamples
,
82 layout_flags
| MIPTREE_LAYOUT_TILING_ANY
);
86 intelTexImage(struct gl_context
* ctx
,
88 struct gl_texture_image
*texImage
,
89 GLenum format
, GLenum type
, const void *pixels
,
90 const struct gl_pixelstore_attrib
*unpack
)
92 struct intel_texture_image
*intelImage
= intel_texture_image(texImage
);
95 bool tex_busy
= intelImage
->mt
&& drm_intel_bo_busy(intelImage
->mt
->bo
);
97 DBG("%s mesa_format %s target %s format %s type %s level %d %dx%dx%d\n",
98 __func__
, _mesa_get_format_name(texImage
->TexFormat
),
99 _mesa_enum_to_string(texImage
->TexObject
->Target
),
100 _mesa_enum_to_string(format
), _mesa_enum_to_string(type
),
101 texImage
->Level
, texImage
->Width
, texImage
->Height
, texImage
->Depth
);
103 /* Allocate storage for texture data. */
104 if (!ctx
->Driver
.AllocTextureImageBuffer(ctx
, texImage
)) {
105 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glTexImage%uD", dims
);
109 assert(intelImage
->mt
);
111 ok
= _mesa_meta_pbo_TexSubImage(ctx
, dims
, texImage
, 0, 0, 0,
112 texImage
->Width
, texImage
->Height
,
114 format
, type
, pixels
,
115 false /*allocate_storage*/,
120 ok
= intel_texsubimage_tiled_memcpy(ctx
, dims
, texImage
,
121 0, 0, 0, /*x,y,z offsets*/
125 format
, type
, pixels
, unpack
,
126 false /*allocate_storage*/);
130 DBG("%s: upload image %dx%dx%d pixels %p\n",
131 __func__
, texImage
->Width
, texImage
->Height
, texImage
->Depth
,
134 _mesa_store_teximage(ctx
, dims
, texImage
,
135 format
, type
, pixels
, unpack
);
140 * Binds a BO to a texture image, as if it was uploaded by glTexImage2D().
142 * Used for GLX_EXT_texture_from_pixmap and EGL image extensions,
145 intel_set_texture_image_bo(struct gl_context
*ctx
,
146 struct gl_texture_image
*image
,
149 GLenum internalFormat
,
152 GLuint width
, GLuint height
,
154 GLuint tile_x
, GLuint tile_y
,
155 uint32_t layout_flags
)
157 struct brw_context
*brw
= brw_context(ctx
);
158 struct intel_texture_image
*intel_image
= intel_texture_image(image
);
159 struct gl_texture_object
*texobj
= image
->TexObject
;
160 struct intel_texture_object
*intel_texobj
= intel_texture_object(texobj
);
161 uint32_t draw_x
, draw_y
;
163 _mesa_init_teximage_fields(&brw
->ctx
, image
,
165 0, internalFormat
, format
);
167 ctx
->Driver
.FreeTextureImageBuffer(ctx
, image
);
169 intel_image
->mt
= intel_miptree_create_for_bo(brw
, bo
, image
->TexFormat
,
170 0, width
, height
, 1, pitch
,
172 if (intel_image
->mt
== NULL
)
174 intel_image
->mt
->target
= target
;
175 intel_image
->mt
->total_width
= width
;
176 intel_image
->mt
->total_height
= height
;
177 intel_image
->mt
->level
[0].slice
[0].x_offset
= tile_x
;
178 intel_image
->mt
->level
[0].slice
[0].y_offset
= tile_y
;
180 intel_miptree_get_tile_offsets(intel_image
->mt
, 0, 0, &draw_x
, &draw_y
);
182 /* From "OES_EGL_image" error reporting. We report GL_INVALID_OPERATION
183 * for EGL images from non-tile aligned sufaces in gen4 hw and earlier which has
184 * trouble resolving back to destination image due to alignment issues.
186 if (!brw
->has_surface_tile_offset
&&
187 (draw_x
!= 0 || draw_y
!= 0)) {
188 _mesa_error(ctx
, GL_INVALID_OPERATION
, __func__
);
189 intel_miptree_release(&intel_image
->mt
);
193 intel_texobj
->needs_validate
= true;
195 intel_image
->mt
->offset
= offset
;
196 assert(pitch
% intel_image
->mt
->cpp
== 0);
197 intel_image
->base
.RowStride
= pitch
/ intel_image
->mt
->cpp
;
199 /* Immediately validate the image to the object. */
200 intel_miptree_reference(&intel_texobj
->mt
, intel_image
->mt
);
204 intelSetTexBuffer2(__DRIcontext
*pDRICtx
, GLint target
,
205 GLint texture_format
,
206 __DRIdrawable
*dPriv
)
208 struct gl_framebuffer
*fb
= dPriv
->driverPrivate
;
209 struct brw_context
*brw
= pDRICtx
->driverPrivate
;
210 struct gl_context
*ctx
= &brw
->ctx
;
211 struct intel_renderbuffer
*rb
;
212 struct gl_texture_object
*texObj
;
213 struct gl_texture_image
*texImage
;
214 int level
= 0, internalFormat
= 0;
215 mesa_format texFormat
= MESA_FORMAT_NONE
;
217 texObj
= _mesa_get_current_tex_object(ctx
, target
);
222 if (dPriv
->lastStamp
!= dPriv
->dri2
.stamp
||
223 !pDRICtx
->driScreenPriv
->dri2
.useInvalidate
)
224 intel_update_renderbuffers(pDRICtx
, dPriv
);
226 rb
= intel_get_renderbuffer(fb
, BUFFER_FRONT_LEFT
);
227 /* If the miptree isn't set, then intel_update_renderbuffers was unable
228 * to get the BO for the drawable from the window system.
233 if (rb
->mt
->cpp
== 4) {
234 if (texture_format
== __DRI_TEXTURE_FORMAT_RGB
) {
235 internalFormat
= GL_RGB
;
236 texFormat
= MESA_FORMAT_B8G8R8X8_UNORM
;
239 internalFormat
= GL_RGBA
;
240 texFormat
= MESA_FORMAT_B8G8R8A8_UNORM
;
242 } else if (rb
->mt
->cpp
== 2) {
243 internalFormat
= GL_RGB
;
244 texFormat
= MESA_FORMAT_B5G6R5_UNORM
;
247 _mesa_lock_texture(&brw
->ctx
, texObj
);
248 texImage
= _mesa_get_tex_image(ctx
, texObj
, target
, level
);
249 intel_miptree_make_shareable(brw
, rb
->mt
);
250 intel_set_texture_image_bo(ctx
, texImage
, rb
->mt
->bo
, target
,
251 internalFormat
, texFormat
, 0,
253 rb
->Base
.Base
.Height
,
256 _mesa_unlock_texture(&brw
->ctx
, texObj
);
260 intel_bind_renderbuffer_tex_image(struct gl_context
*ctx
,
261 struct gl_renderbuffer
*rb
,
262 struct gl_texture_image
*image
)
264 struct intel_renderbuffer
*irb
= intel_renderbuffer(rb
);
265 struct intel_texture_image
*intel_image
= intel_texture_image(image
);
266 struct gl_texture_object
*texobj
= image
->TexObject
;
267 struct intel_texture_object
*intel_texobj
= intel_texture_object(texobj
);
269 /* We can only handle RB allocated with AllocRenderbufferStorage, or
270 * window-system renderbuffers.
272 assert(!rb
->TexImage
);
277 _mesa_lock_texture(ctx
, texobj
);
278 _mesa_init_teximage_fields(ctx
, image
,
279 rb
->Width
, rb
->Height
, 1,
280 0, rb
->InternalFormat
, rb
->Format
);
281 image
->NumSamples
= rb
->NumSamples
;
283 intel_miptree_reference(&intel_image
->mt
, irb
->mt
);
285 /* Immediately validate the image to the object. */
286 intel_miptree_reference(&intel_texobj
->mt
, intel_image
->mt
);
288 intel_texobj
->needs_validate
= true;
289 _mesa_unlock_texture(ctx
, texobj
);
295 intelSetTexBuffer(__DRIcontext
*pDRICtx
, GLint target
, __DRIdrawable
*dPriv
)
297 /* The old interface didn't have the format argument, so copy our
298 * implementation's behavior at the time.
300 intelSetTexBuffer2(pDRICtx
, target
, __DRI_TEXTURE_FORMAT_RGBA
, dPriv
);
304 intel_image_target_texture_2d(struct gl_context
*ctx
, GLenum target
,
305 struct gl_texture_object
*texObj
,
306 struct gl_texture_image
*texImage
,
307 GLeglImageOES image_handle
)
309 struct brw_context
*brw
= brw_context(ctx
);
313 screen
= brw
->intelScreen
->driScrnPriv
;
314 image
= screen
->dri2
.image
->lookupEGLImage(screen
, image_handle
,
315 screen
->loaderPrivate
);
319 /* We support external textures only for EGLImages created with
320 * EGL_EXT_image_dma_buf_import. We may lift that restriction in the future.
322 if (target
== GL_TEXTURE_EXTERNAL_OES
&& !image
->dma_buf_imported
) {
323 _mesa_error(ctx
, GL_INVALID_OPERATION
,
324 "glEGLImageTargetTexture2DOES(external target is enabled only "
325 "for images created with EGL_EXT_image_dma_buf_import");
329 /* Disallow depth/stencil textures: we don't have a way to pass the
330 * separate stencil miptree of a GL_DEPTH_STENCIL texture through.
332 if (image
->has_depthstencil
) {
333 _mesa_error(ctx
, GL_INVALID_OPERATION
, __func__
);
337 /* Disable creation of the texture's aux buffers because the driver exposes
338 * no EGL API to manage them. That is, there is no API for resolving the aux
339 * buffer's content to the main buffer nor for invalidating the aux buffer's
342 intel_set_texture_image_bo(ctx
, texImage
, image
->bo
,
343 target
, image
->internal_format
,
344 image
->format
, image
->offset
,
345 image
->width
, image
->height
,
347 image
->tile_x
, image
->tile_y
,
348 MIPTREE_LAYOUT_DISABLE_AUX
);
352 * \brief A fast path for glGetTexImage.
354 * \see intel_readpixels_tiled_memcpy()
357 intel_gettexsubimage_tiled_memcpy(struct gl_context
*ctx
,
358 struct gl_texture_image
*texImage
,
359 GLint xoffset
, GLint yoffset
,
360 GLsizei width
, GLsizei height
,
361 GLenum format
, GLenum type
,
363 const struct gl_pixelstore_attrib
*packing
)
365 struct brw_context
*brw
= brw_context(ctx
);
366 struct intel_texture_image
*image
= intel_texture_image(texImage
);
369 /* The miptree's buffer. */
375 mem_copy_fn mem_copy
= NULL
;
377 /* This fastpath is restricted to specific texture types:
378 * a 2D BGRA, RGBA, L8 or A8 texture. It could be generalized to support
381 * FINISHME: The restrictions below on packing alignment and packing row
382 * length are likely unneeded now because we calculate the destination stride
383 * with _mesa_image_row_stride. However, before removing the restrictions
387 !(type
== GL_UNSIGNED_BYTE
|| type
== GL_UNSIGNED_INT_8_8_8_8_REV
) ||
388 !(texImage
->TexObject
->Target
== GL_TEXTURE_2D
||
389 texImage
->TexObject
->Target
== GL_TEXTURE_RECTANGLE
) ||
391 _mesa_is_bufferobj(packing
->BufferObj
) ||
392 packing
->Alignment
> 4 ||
393 packing
->SkipPixels
> 0 ||
394 packing
->SkipRows
> 0 ||
395 (packing
->RowLength
!= 0 && packing
->RowLength
!= width
) ||
396 packing
->SwapBytes
||
401 /* We can't handle copying from RGBX or BGRX because the tiled_memcpy
402 * function doesn't set the last channel to 1.
404 if (texImage
->TexFormat
== MESA_FORMAT_B8G8R8X8_UNORM
||
405 texImage
->TexFormat
== MESA_FORMAT_R8G8B8X8_UNORM
)
408 if (!intel_get_memcpy(texImage
->TexFormat
, format
, type
, &mem_copy
, &cpp
,
412 /* If this is a nontrivial texture view, let another path handle it instead. */
413 if (texImage
->TexObject
->MinLayer
)
417 (image
->mt
->tiling
!= I915_TILING_X
&&
418 image
->mt
->tiling
!= I915_TILING_Y
)) {
419 /* The algorithm is written only for X- or Y-tiled memory. */
423 /* Since we are going to write raw data to the miptree, we need to resolve
424 * any pending fast color clears before we start.
426 intel_miptree_resolve_color(brw
, image
->mt
);
430 if (drm_intel_bo_references(brw
->batch
.bo
, bo
)) {
431 perf_debug("Flushing before mapping a referenced bo.\n");
432 intel_batchbuffer_flush(brw
);
435 error
= brw_bo_map(brw
, bo
, false /* write enable */, "miptree");
437 DBG("%s: failed to map bo\n", __func__
);
441 dst_pitch
= _mesa_image_row_stride(packing
, width
, format
, type
);
443 DBG("%s: level=%d x,y=(%d,%d) (w,h)=(%d,%d) format=0x%x type=0x%x "
444 "mesa_format=0x%x tiling=%d "
445 "packing=(alignment=%d row_length=%d skip_pixels=%d skip_rows=%d)\n",
446 __func__
, texImage
->Level
, xoffset
, yoffset
, width
, height
,
447 format
, type
, texImage
->TexFormat
, image
->mt
->tiling
,
448 packing
->Alignment
, packing
->RowLength
, packing
->SkipPixels
,
451 int level
= texImage
->Level
+ texImage
->TexObject
->MinLevel
;
453 /* Adjust x and y offset based on miplevel */
454 xoffset
+= image
->mt
->level
[level
].level_x
;
455 yoffset
+= image
->mt
->level
[level
].level_y
;
458 xoffset
* cpp
, (xoffset
+ width
) * cpp
,
459 yoffset
, yoffset
+ height
,
460 pixels
- (ptrdiff_t) yoffset
* dst_pitch
- (ptrdiff_t) xoffset
* cpp
,
462 dst_pitch
, image
->mt
->pitch
,
468 drm_intel_bo_unmap(bo
);
473 intel_get_tex_sub_image(struct gl_context
*ctx
,
474 GLint xoffset
, GLint yoffset
, GLint zoffset
,
475 GLsizei width
, GLsizei height
, GLint depth
,
476 GLenum format
, GLenum type
, GLvoid
*pixels
,
477 struct gl_texture_image
*texImage
)
479 struct brw_context
*brw
= brw_context(ctx
);
482 DBG("%s\n", __func__
);
484 if (_mesa_is_bufferobj(ctx
->Pack
.BufferObj
)) {
485 if (_mesa_meta_pbo_GetTexSubImage(ctx
, 3, texImage
,
486 xoffset
, yoffset
, zoffset
,
487 width
, height
, depth
, format
, type
,
488 pixels
, &ctx
->Pack
)) {
489 /* Flush to guarantee coherency between the render cache and other
490 * caches the PBO could potentially be bound to after this point.
491 * See the related comment in intelReadPixels() for a more detailed
494 brw_emit_mi_flush(brw
);
498 perf_debug("%s: fallback to CPU mapping in PBO case\n", __func__
);
501 ok
= intel_gettexsubimage_tiled_memcpy(ctx
, texImage
, xoffset
, yoffset
,
503 format
, type
, pixels
, &ctx
->Pack
);
508 _mesa_meta_GetTexSubImage(ctx
, xoffset
, yoffset
, zoffset
,
509 width
, height
, depth
,
510 format
, type
, pixels
, texImage
);
512 DBG("%s - DONE\n", __func__
);
516 intelInitTextureImageFuncs(struct dd_function_table
*functions
)
518 functions
->TexImage
= intelTexImage
;
519 functions
->EGLImageTargetTexture2D
= intel_image_target_texture_2d
;
520 functions
->BindRenderbufferTexImage
= intel_bind_renderbuffer_tex_image
;
521 functions
->GetTexSubImage
= intel_get_tex_sub_image
;