1 /**************************************************************************
3 * Copyright 2008 Red Hat Inc.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * 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, sub license, 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 portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 #include "main/imports.h"
30 #include "main/macros.h"
31 #include "main/mtypes.h"
32 #include "main/fbobject.h"
33 #include "main/framebuffer.h"
34 #include "main/renderbuffer.h"
35 #include "main/context.h"
36 #include "main/texrender.h"
37 #include "drivers/common/meta.h"
39 #include "radeon_common.h"
40 #include "radeon_mipmap_tree.h"
42 #define FILE_DEBUG_FLAG RADEON_TEXTURE
43 #define DBG(...) do { \
44 if (RADEON_DEBUG & FILE_DEBUG_FLAG) \
45 _mesa_printf(__VA_ARGS__); \
48 static struct gl_framebuffer
*
49 radeon_new_framebuffer(GLcontext
*ctx
, GLuint name
)
51 return _mesa_new_framebuffer(ctx
, name
);
55 radeon_delete_renderbuffer(struct gl_renderbuffer
*rb
)
57 struct radeon_renderbuffer
*rrb
= radeon_renderbuffer(rb
);
62 radeon_bo_unref(rrb
->bo
);
68 radeon_get_pointer(GLcontext
*ctx
, struct gl_renderbuffer
*rb
,
75 * Called via glRenderbufferStorageEXT() to set the format and allocate
76 * storage for a user-created renderbuffer.
79 radeon_alloc_renderbuffer_storage(GLcontext
* ctx
, struct gl_renderbuffer
*rb
,
80 GLenum internalFormat
,
81 GLuint width
, GLuint height
)
83 struct radeon_context
*radeon
= RADEON_CONTEXT(ctx
);
84 struct radeon_renderbuffer
*rrb
= radeon_renderbuffer(rb
);
85 GLboolean software_buffer
= GL_FALSE
;
88 ASSERT(rb
->Name
!= 0);
89 switch (internalFormat
) {
93 rb
->Format
= _dri_texformat_rgb565
;
94 rb
->DataType
= GL_UNSIGNED_BYTE
;
102 rb
->Format
= _dri_texformat_argb8888
;
103 rb
->DataType
= GL_UNSIGNED_BYTE
;
114 rb
->Format
= _dri_texformat_argb8888
;
115 rb
->DataType
= GL_UNSIGNED_BYTE
;
118 case GL_STENCIL_INDEX
:
119 case GL_STENCIL_INDEX1_EXT
:
120 case GL_STENCIL_INDEX4_EXT
:
121 case GL_STENCIL_INDEX8_EXT
:
122 case GL_STENCIL_INDEX16_EXT
:
123 /* alloc a depth+stencil buffer */
124 rb
->Format
= MESA_FORMAT_S8_Z24
;
125 rb
->DataType
= GL_UNSIGNED_INT_24_8_EXT
;
128 case GL_DEPTH_COMPONENT16
:
129 rb
->Format
= MESA_FORMAT_Z16
;
130 rb
->DataType
= GL_UNSIGNED_SHORT
;
133 case GL_DEPTH_COMPONENT
:
134 case GL_DEPTH_COMPONENT24
:
135 case GL_DEPTH_COMPONENT32
:
136 rb
->Format
= MESA_FORMAT_X8_Z24
;
137 rb
->DataType
= GL_UNSIGNED_INT
;
140 case GL_DEPTH_STENCIL_EXT
:
141 case GL_DEPTH24_STENCIL8_EXT
:
142 rb
->Format
= MESA_FORMAT_S8_Z24
;
143 rb
->DataType
= GL_UNSIGNED_INT_24_8_EXT
;
148 "Unexpected format in radeon_alloc_renderbuffer_storage");
152 rb
->_BaseFormat
= _mesa_base_fbo_format(ctx
, internalFormat
);
154 if (ctx
->Driver
.Flush
)
155 ctx
->Driver
.Flush(ctx
); /* +r6/r7 */
158 radeon_bo_unref(rrb
->bo
);
161 if (software_buffer
) {
162 return _mesa_soft_renderbuffer_storage(ctx
, rb
, internalFormat
,
167 uint32_t pitch
= ((cpp
* width
+ 63) & ~63) / cpp
;
169 fprintf(stderr
,"Allocating %d x %d radeon RBO (pitch %d)\n", width
,
172 size
= pitch
* height
* cpp
;
173 rrb
->pitch
= pitch
* cpp
;
175 rrb
->bo
= radeon_bo_open(radeon
->radeonScreen
->bom
,
179 RADEON_GEM_DOMAIN_VRAM
,
190 * Called for each hardware renderbuffer when a _window_ is resized.
191 * Just update fields.
192 * Not used for user-created renderbuffers!
195 radeon_alloc_window_storage(GLcontext
* ctx
, struct gl_renderbuffer
*rb
,
196 GLenum internalFormat
, GLuint width
, GLuint height
)
198 ASSERT(rb
->Name
== 0);
201 rb
->InternalFormat
= internalFormat
;
208 radeon_resize_buffers(GLcontext
*ctx
, struct gl_framebuffer
*fb
,
209 GLuint width
, GLuint height
)
211 struct radeon_framebuffer
*radeon_fb
= (struct radeon_framebuffer
*)fb
;
214 _mesa_resize_framebuffer(ctx
, fb
, width
, height
);
216 fb
->Initialized
= GL_TRUE
; /* XXX remove someday */
222 /* Make sure all window system renderbuffers are up to date */
223 for (i
= 0; i
< 2; i
++) {
224 struct gl_renderbuffer
*rb
= &radeon_fb
->color_rb
[i
]->base
;
226 /* only resize if size is changing */
227 if (rb
&& (rb
->Width
!= width
|| rb
->Height
!= height
)) {
228 rb
->AllocStorage(ctx
, rb
, rb
->InternalFormat
, width
, height
);
234 /** Dummy function for gl_renderbuffer::AllocStorage() */
236 radeon_nop_alloc_storage(GLcontext
* ctx
, struct gl_renderbuffer
*rb
,
237 GLenum internalFormat
, GLuint width
, GLuint height
)
239 _mesa_problem(ctx
, "radeon_op_alloc_storage should never be called.");
245 * Create a renderbuffer for a window's color, depth and/or stencil buffer.
246 * Not used for user-created renderbuffers.
248 struct radeon_renderbuffer
*
249 radeon_create_renderbuffer(gl_format format
, __DRIdrawablePrivate
*driDrawPriv
)
251 struct radeon_renderbuffer
*rrb
;
253 rrb
= CALLOC_STRUCT(radeon_renderbuffer
);
257 _mesa_init_renderbuffer(&rrb
->base
, 0);
258 rrb
->base
.ClassID
= RADEON_RB_CLASS
;
260 rrb
->base
.Format
= format
;
263 case MESA_FORMAT_RGB565
:
264 assert(_mesa_little_endian());
265 rrb
->base
.DataType
= GL_UNSIGNED_BYTE
;
266 rrb
->base
._BaseFormat
= GL_RGB
;
268 case MESA_FORMAT_RGB565_REV
:
269 assert(!_mesa_little_endian());
270 rrb
->base
.DataType
= GL_UNSIGNED_BYTE
;
271 rrb
->base
._BaseFormat
= GL_RGB
;
273 case MESA_FORMAT_XRGB8888
:
274 assert(_mesa_little_endian());
275 rrb
->base
.DataType
= GL_UNSIGNED_BYTE
;
276 rrb
->base
._BaseFormat
= GL_RGB
;
278 case MESA_FORMAT_XRGB8888_REV
:
279 assert(!_mesa_little_endian());
280 rrb
->base
.DataType
= GL_UNSIGNED_BYTE
;
281 rrb
->base
._BaseFormat
= GL_RGB
;
283 case MESA_FORMAT_ARGB8888
:
284 assert(_mesa_little_endian());
285 rrb
->base
.DataType
= GL_UNSIGNED_BYTE
;
286 rrb
->base
._BaseFormat
= GL_RGBA
;
288 case MESA_FORMAT_ARGB8888_REV
:
289 assert(!_mesa_little_endian());
290 rrb
->base
.DataType
= GL_UNSIGNED_BYTE
;
291 rrb
->base
._BaseFormat
= GL_RGBA
;
294 rrb
->base
.DataType
= GL_UNSIGNED_BYTE
;
295 rrb
->base
._BaseFormat
= GL_STENCIL_INDEX
;
297 case MESA_FORMAT_Z16
:
298 rrb
->base
.DataType
= GL_UNSIGNED_SHORT
;
299 rrb
->base
._BaseFormat
= GL_DEPTH_COMPONENT
;
301 case MESA_FORMAT_X8_Z24
:
302 rrb
->base
.DataType
= GL_UNSIGNED_INT
;
303 rrb
->base
._BaseFormat
= GL_DEPTH_COMPONENT
;
305 case MESA_FORMAT_S8_Z24
:
306 rrb
->base
.DataType
= GL_UNSIGNED_INT_24_8_EXT
;
307 rrb
->base
._BaseFormat
= GL_DEPTH_STENCIL
;
310 fprintf(stderr
, "%s: Unknown format %s\n",
311 __FUNCTION__
, _mesa_get_format_name(format
));
312 _mesa_delete_renderbuffer(&rrb
->base
);
316 rrb
->dPriv
= driDrawPriv
;
317 rrb
->base
.InternalFormat
= _mesa_get_format_base_format(format
);
319 rrb
->base
.Delete
= radeon_delete_renderbuffer
;
320 rrb
->base
.AllocStorage
= radeon_alloc_window_storage
;
321 rrb
->base
.GetPointer
= radeon_get_pointer
;
327 static struct gl_renderbuffer
*
328 radeon_new_renderbuffer(GLcontext
* ctx
, GLuint name
)
330 struct radeon_renderbuffer
*rrb
;
332 rrb
= CALLOC_STRUCT(radeon_renderbuffer
);
336 _mesa_init_renderbuffer(&rrb
->base
, name
);
337 rrb
->base
.ClassID
= RADEON_RB_CLASS
;
339 rrb
->base
.Delete
= radeon_delete_renderbuffer
;
340 rrb
->base
.AllocStorage
= radeon_alloc_renderbuffer_storage
;
341 rrb
->base
.GetPointer
= radeon_get_pointer
;
347 radeon_bind_framebuffer(GLcontext
* ctx
, GLenum target
,
348 struct gl_framebuffer
*fb
, struct gl_framebuffer
*fbread
)
350 if (target
== GL_FRAMEBUFFER_EXT
|| target
== GL_DRAW_FRAMEBUFFER_EXT
) {
351 radeon_draw_buffer(ctx
, fb
);
354 /* don't need to do anything if target == GL_READ_FRAMEBUFFER_EXT */
359 radeon_framebuffer_renderbuffer(GLcontext
* ctx
,
360 struct gl_framebuffer
*fb
,
361 GLenum attachment
, struct gl_renderbuffer
*rb
)
364 if (ctx
->Driver
.Flush
)
365 ctx
->Driver
.Flush(ctx
); /* +r6/r7 */
367 _mesa_framebuffer_renderbuffer(ctx
, fb
, attachment
, rb
);
368 radeon_draw_buffer(ctx
, fb
);
372 /* TODO: According to EXT_fbo spec internal format of texture image
373 * once set during glTexImage call, should be preserved when
374 * attaching image to renderbuffer. When HW doesn't support
375 * rendering to format of attached image, set framebuffer
376 * completeness accordingly in radeon_validate_framebuffer (issue #79).
379 radeon_update_wrapper(GLcontext
*ctx
, struct radeon_renderbuffer
*rrb
,
380 struct gl_texture_image
*texImage
)
386 if (texImage
->TexFormat
== _dri_texformat_argb8888
) {
387 rrb
->base
.DataType
= GL_UNSIGNED_BYTE
;
388 DBG("Render to RGBA8 texture OK\n");
390 else if (texImage
->TexFormat
== _dri_texformat_rgb565
) {
391 rrb
->base
.DataType
= GL_UNSIGNED_BYTE
;
392 DBG("Render to RGB5 texture OK\n");
394 else if (texImage
->TexFormat
== _dri_texformat_argb1555
) {
395 rrb
->base
.DataType
= GL_UNSIGNED_BYTE
;
396 DBG("Render to ARGB1555 texture OK\n");
398 else if (texImage
->TexFormat
== _dri_texformat_argb4444
) {
399 rrb
->base
.DataType
= GL_UNSIGNED_BYTE
;
400 DBG("Render to ARGB4444 texture OK\n");
402 else if (texImage
->TexFormat
== MESA_FORMAT_Z16
) {
403 rrb
->base
.DataType
= GL_UNSIGNED_SHORT
;
404 DBG("Render to DEPTH16 texture OK\n");
406 else if (texImage
->TexFormat
== MESA_FORMAT_S8_Z24
) {
407 rrb
->base
.DataType
= GL_UNSIGNED_INT_24_8_EXT
;
408 DBG("Render to DEPTH_STENCIL texture OK\n");
411 /* try redoing the FBO */
413 DBG("Render to texture BAD FORMAT %d\n",
414 texImage
->TexFormat
);
417 /* XXX why is the tex format being set here?
418 * I think this can be removed.
420 texImage
->TexFormat
= radeonChooseTextureFormat(ctx
, texImage
->InternalFormat
, 0,
421 _mesa_get_format_datatype(texImage
->TexFormat
),
428 texFormat
= texImage
->TexFormat
;
430 rrb
->base
.Format
= texFormat
;
432 rrb
->cpp
= _mesa_get_format_bytes(texFormat
);
433 rrb
->pitch
= texImage
->Width
* rrb
->cpp
;
434 rrb
->base
.InternalFormat
= texImage
->InternalFormat
;
435 rrb
->base
._BaseFormat
= _mesa_base_fbo_format(ctx
, rrb
->base
.InternalFormat
);
437 rrb
->base
.Width
= texImage
->Width
;
438 rrb
->base
.Height
= texImage
->Height
;
440 rrb
->base
.Delete
= radeon_delete_renderbuffer
;
441 rrb
->base
.AllocStorage
= radeon_nop_alloc_storage
;
447 static struct radeon_renderbuffer
*
448 radeon_wrap_texture(GLcontext
* ctx
, struct gl_texture_image
*texImage
)
450 const GLuint name
= ~0; /* not significant, but distinct for debugging */
451 struct radeon_renderbuffer
*rrb
;
453 /* make an radeon_renderbuffer to wrap the texture image */
454 rrb
= CALLOC_STRUCT(radeon_renderbuffer
);
456 _mesa_error(ctx
, GL_OUT_OF_MEMORY
, "glFramebufferTexture");
460 _mesa_init_renderbuffer(&rrb
->base
, name
);
461 rrb
->base
.ClassID
= RADEON_RB_CLASS
;
463 if (!radeon_update_wrapper(ctx
, rrb
, texImage
)) {
472 radeon_render_texture(GLcontext
* ctx
,
473 struct gl_framebuffer
*fb
,
474 struct gl_renderbuffer_attachment
*att
)
476 struct gl_texture_image
*newImage
477 = att
->Texture
->Image
[att
->CubeMapFace
][att
->TextureLevel
];
478 struct radeon_renderbuffer
*rrb
= radeon_renderbuffer(att
->Renderbuffer
);
479 radeon_texture_image
*radeon_image
;
486 if (newImage
->Border
!= 0) {
487 /* Fallback on drawing to a texture with a border, which won't have a
490 _mesa_reference_renderbuffer(&att
->Renderbuffer
, NULL
);
491 _mesa_render_texture(ctx
, fb
, att
);
495 rrb
= radeon_wrap_texture(ctx
, newImage
);
497 /* bind the wrapper to the attachment point */
498 _mesa_reference_renderbuffer(&att
->Renderbuffer
, &rrb
->base
);
501 /* fallback to software rendering */
502 _mesa_render_texture(ctx
, fb
, att
);
507 if (!radeon_update_wrapper(ctx
, rrb
, newImage
)) {
508 _mesa_reference_renderbuffer(&att
->Renderbuffer
, NULL
);
509 _mesa_render_texture(ctx
, fb
, att
);
513 DBG("Begin render texture tid %x tex=%u w=%d h=%d refcount=%d\n",
515 att
->Texture
->Name
, newImage
->Width
, newImage
->Height
,
518 /* point the renderbufer's region to the texture image region */
519 radeon_image
= (radeon_texture_image
*)newImage
;
520 if (rrb
->bo
!= radeon_image
->mt
->bo
) {
522 radeon_bo_unref(rrb
->bo
);
523 rrb
->bo
= radeon_image
->mt
->bo
;
524 radeon_bo_ref(rrb
->bo
);
527 /* compute offset of the particular 2D image within the texture region */
528 imageOffset
= radeon_miptree_image_offset(radeon_image
->mt
,
532 if (att
->Texture
->Target
== GL_TEXTURE_3D
) {
534 radeon_miptree_depth_offsets(radeon_image
->mt
, att
->TextureLevel
,
536 imageOffset
+= offsets
[att
->Zoffset
];
539 /* store that offset in the region, along with the correct pitch for
540 * the image we are rendering to */
541 rrb
->draw_offset
= imageOffset
;
542 rrb
->pitch
= radeon_image
->mt
->levels
[att
->TextureLevel
].rowstride
;
544 /* update drawing region, etc */
545 radeon_draw_buffer(ctx
, fb
);
549 radeon_finish_render_texture(GLcontext
* ctx
,
550 struct gl_renderbuffer_attachment
*att
)
555 radeon_validate_framebuffer(GLcontext
*ctx
, struct gl_framebuffer
*fb
)
559 void radeon_fbo_init(struct radeon_context
*radeon
)
561 radeon
->glCtx
->Driver
.NewFramebuffer
= radeon_new_framebuffer
;
562 radeon
->glCtx
->Driver
.NewRenderbuffer
= radeon_new_renderbuffer
;
563 radeon
->glCtx
->Driver
.BindFramebuffer
= radeon_bind_framebuffer
;
564 radeon
->glCtx
->Driver
.FramebufferRenderbuffer
= radeon_framebuffer_renderbuffer
;
565 radeon
->glCtx
->Driver
.RenderTexture
= radeon_render_texture
;
566 radeon
->glCtx
->Driver
.FinishRenderTexture
= radeon_finish_render_texture
;
567 radeon
->glCtx
->Driver
.ResizeBuffers
= radeon_resize_buffers
;
568 radeon
->glCtx
->Driver
.ValidateFramebuffer
= radeon_validate_framebuffer
;
569 radeon
->glCtx
->Driver
.BlitFramebuffer
= _mesa_meta_BlitFramebuffer
;
573 void radeon_renderbuffer_set_bo(struct radeon_renderbuffer
*rb
,
574 struct radeon_bo
*bo
)
576 struct radeon_bo
*old
;
581 radeon_bo_unref(old
);