2 * Copyright (C) 2009 Francisco Jerez.
5 * Permission is hereby granted, free of charge, to any person obtaining
6 * a copy of this software and associated documentation files (the
7 * "Software"), to deal in the Software without restriction, including
8 * without limitation the rights to use, copy, modify, merge, publish,
9 * distribute, sublicense, and/or sell copies of the Software, and to
10 * permit persons to whom the Software is furnished to do so, subject to
11 * the following conditions:
13 * The above copyright notice and this permission notice (including the
14 * next paragraph) shall be included in all copies or substantial
15 * portions of the Software.
17 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
18 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
20 * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
21 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
22 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
23 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 #include "nouveau_driver.h"
28 #include "nouveau_fbo.h"
29 #include "nouveau_context.h"
30 #include "nouveau_texture.h"
32 #include "main/framebuffer.h"
33 #include "main/renderbuffer.h"
34 #include "main/fbobject.h"
35 #include "main/mfeatures.h"
38 set_renderbuffer_format(struct gl_renderbuffer
*rb
, GLenum internalFormat
)
40 struct nouveau_surface
*s
= &to_nouveau_renderbuffer(rb
)->surface
;
42 rb
->InternalFormat
= internalFormat
;
44 switch (internalFormat
) {
47 rb
->_BaseFormat
= GL_RGB
;
48 rb
->Format
= MESA_FORMAT_XRGB8888
;
53 rb
->_BaseFormat
= GL_RGBA
;
54 rb
->Format
= MESA_FORMAT_ARGB8888
;
58 rb
->_BaseFormat
= GL_RGB
;
59 rb
->Format
= MESA_FORMAT_RGB565
;
62 case GL_DEPTH_COMPONENT16
:
63 rb
->_BaseFormat
= GL_DEPTH_COMPONENT
;
64 rb
->Format
= MESA_FORMAT_Z16
;
67 case GL_DEPTH_COMPONENT
:
68 case GL_DEPTH_COMPONENT24
:
69 case GL_STENCIL_INDEX8_EXT
:
70 case GL_DEPTH24_STENCIL8_EXT
:
71 rb
->_BaseFormat
= GL_DEPTH_STENCIL
;
72 rb
->Format
= MESA_FORMAT_Z24_S8
;
79 s
->format
= rb
->Format
;
85 nouveau_renderbuffer_storage(struct gl_context
*ctx
, struct gl_renderbuffer
*rb
,
86 GLenum internalFormat
,
87 GLuint width
, GLuint height
)
89 struct nouveau_surface
*s
= &to_nouveau_renderbuffer(rb
)->surface
;
91 if (!set_renderbuffer_format(rb
, internalFormat
))
97 nouveau_surface_alloc(ctx
, s
, TILED
, NOUVEAU_BO_VRAM
| NOUVEAU_BO_MAP
,
98 rb
->Format
, width
, height
);
100 context_dirty(ctx
, FRAMEBUFFER
);
105 nouveau_renderbuffer_del(struct gl_renderbuffer
*rb
)
107 struct nouveau_surface
*s
= &to_nouveau_renderbuffer(rb
)->surface
;
109 nouveau_surface_ref(NULL
, s
);
113 static struct gl_renderbuffer
*
114 nouveau_renderbuffer_new(struct gl_context
*ctx
, GLuint name
)
116 struct gl_renderbuffer
*rb
;
118 rb
= (struct gl_renderbuffer
*)
119 CALLOC_STRUCT(nouveau_renderbuffer
);
123 _mesa_init_renderbuffer(rb
, name
);
125 rb
->AllocStorage
= nouveau_renderbuffer_storage
;
126 rb
->Delete
= nouveau_renderbuffer_del
;
132 nouveau_renderbuffer_map(struct gl_context
*ctx
,
133 struct gl_renderbuffer
*rb
,
134 GLuint x
, GLuint y
, GLuint w
, GLuint h
,
139 struct nouveau_surface
*s
= &to_nouveau_renderbuffer(rb
)->surface
;
144 if (mode
& GL_MAP_READ_BIT
)
145 flags
|= NOUVEAU_BO_RD
;
146 if (mode
& GL_MAP_WRITE_BIT
)
147 flags
|= NOUVEAU_BO_WR
;
149 nouveau_bo_map(s
->bo
, flags
, context_client(ctx
));
155 map
+= stride
* (rb
->Height
- 1);
160 map
+= (int)y
* stride
;
163 *out_stride
= stride
;
167 nouveau_renderbuffer_unmap(struct gl_context
*ctx
,
168 struct gl_renderbuffer
*rb
)
173 nouveau_renderbuffer_dri_storage(struct gl_context
*ctx
, struct gl_renderbuffer
*rb
,
174 GLenum internalFormat
,
175 GLuint width
, GLuint height
)
177 if (!set_renderbuffer_format(rb
, internalFormat
))
186 struct gl_renderbuffer
*
187 nouveau_renderbuffer_dri_new(GLenum format
, __DRIdrawable
*drawable
)
189 struct gl_renderbuffer
*rb
;
191 rb
= nouveau_renderbuffer_new(NULL
, 0);
195 rb
->AllocStorage
= nouveau_renderbuffer_dri_storage
;
197 if (!set_renderbuffer_format(rb
, format
)) {
198 nouveau_renderbuffer_del(rb
);
205 static struct gl_framebuffer
*
206 nouveau_framebuffer_new(struct gl_context
*ctx
, GLuint name
)
208 struct nouveau_framebuffer
*nfb
;
210 nfb
= CALLOC_STRUCT(nouveau_framebuffer
);
214 _mesa_initialize_user_framebuffer(&nfb
->base
, name
);
219 struct gl_framebuffer
*
220 nouveau_framebuffer_dri_new(const struct gl_config
*visual
)
222 struct nouveau_framebuffer
*nfb
;
224 nfb
= CALLOC_STRUCT(nouveau_framebuffer
);
228 _mesa_initialize_window_framebuffer(&nfb
->base
, visual
);
229 nfb
->need_front
= !visual
->doubleBufferMode
;
235 nouveau_bind_framebuffer(struct gl_context
*ctx
, GLenum target
,
236 struct gl_framebuffer
*dfb
,
237 struct gl_framebuffer
*rfb
)
239 context_dirty(ctx
, FRAMEBUFFER
);
243 nouveau_framebuffer_renderbuffer(struct gl_context
*ctx
, struct gl_framebuffer
*fb
,
244 GLenum attachment
, struct gl_renderbuffer
*rb
)
246 _mesa_framebuffer_renderbuffer(ctx
, fb
, attachment
, rb
);
248 context_dirty(ctx
, FRAMEBUFFER
);
252 get_tex_format(struct gl_texture_image
*ti
)
254 switch (ti
->TexFormat
) {
255 case MESA_FORMAT_ARGB8888
:
257 case MESA_FORMAT_XRGB8888
:
259 case MESA_FORMAT_RGB565
:
267 nouveau_render_texture(struct gl_context
*ctx
, struct gl_framebuffer
*fb
,
268 struct gl_renderbuffer_attachment
*att
)
270 struct gl_renderbuffer
*rb
= att
->Renderbuffer
;
271 struct gl_texture_image
*ti
=
272 att
->Texture
->Image
[att
->CubeMapFace
][att
->TextureLevel
];
274 /* Allocate a renderbuffer object for the texture if we
275 * haven't already done so. */
277 rb
= nouveau_renderbuffer_new(ctx
, ~0);
280 rb
->AllocStorage
= NULL
;
281 _mesa_reference_renderbuffer(&att
->Renderbuffer
, rb
);
284 /* Update the renderbuffer fields from the texture. */
285 set_renderbuffer_format(rb
, get_tex_format(ti
));
286 rb
->Width
= ti
->Width
;
287 rb
->Height
= ti
->Height
;
288 nouveau_surface_ref(&to_nouveau_teximage(ti
)->surface
,
289 &to_nouveau_renderbuffer(rb
)->surface
);
291 context_dirty(ctx
, FRAMEBUFFER
);
295 nouveau_finish_render_texture(struct gl_context
*ctx
,
296 struct gl_renderbuffer_attachment
*att
)
298 texture_dirty(att
->Texture
);
302 nouveau_fbo_functions_init(struct dd_function_table
*functions
)
304 #if FEATURE_EXT_framebuffer_object
305 functions
->NewFramebuffer
= nouveau_framebuffer_new
;
306 functions
->NewRenderbuffer
= nouveau_renderbuffer_new
;
307 functions
->MapRenderbuffer
= nouveau_renderbuffer_map
;
308 functions
->UnmapRenderbuffer
= nouveau_renderbuffer_unmap
;
309 functions
->BindFramebuffer
= nouveau_bind_framebuffer
;
310 functions
->FramebufferRenderbuffer
= nouveau_framebuffer_renderbuffer
;
311 functions
->RenderTexture
= nouveau_render_texture
;
312 functions
->FinishRenderTexture
= nouveau_finish_render_texture
;