3 * Device driver interfaces.
7 * Mesa 3-D graphics library
9 * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
18 * The above copyright notice and this permission notice shall be included
19 * in all copies or substantial portions of the Software.
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
25 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
26 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
27 * OTHER DEALINGS IN THE SOFTWARE.
34 /* THIS FILE ONLY INCLUDED BY mtypes.h !!!!! */
38 struct gl_buffer_object
;
40 struct gl_display_list
;
41 struct gl_framebuffer
;
42 struct gl_pixelstore_attrib
;
44 struct gl_renderbuffer
;
45 struct gl_renderbuffer_attachment
;
47 struct gl_shader_program
;
48 struct gl_texture_image
;
49 struct gl_texture_object
;
51 /* GL_ARB_vertex_buffer_object */
52 /* Modifies GL_MAP_UNSYNCHRONIZED_BIT to allow driver to fail (return
53 * NULL) if buffer is unavailable for immediate mapping.
55 * Does GL_MAP_INVALIDATE_RANGE_BIT do this? It seems so, but it
56 * would require more book-keeping in the driver than seems necessary
59 * Does GL_MAP_INVALDIATE_BUFFER_BIT do this? Not really -- we don't
60 * want to provoke the driver to throw away the old storage, we will
61 * respect the contents of already referenced data.
63 #define MESA_MAP_NOWAIT_BIT 0x0040
67 * Device driver function table.
68 * Core Mesa uses these function pointers to call into device drivers.
69 * Most of these functions directly correspond to OpenGL state commands.
70 * Core Mesa will call these functions after error checking has been done
71 * so that the drivers don't have to worry about error testing.
73 * Vertex transformation/clipping/lighting is patched into the T&L module.
74 * Rasterization functions are patched into the swrast module.
76 * Note: when new functions are added here, the drivers/common/driverfuncs.c
77 * file should be updated too!!!
79 struct dd_function_table
{
81 * Return a string as needed by glGetString().
82 * Only the GL_RENDERER query must be implemented. Otherwise, NULL can be
85 const GLubyte
* (*GetString
)( struct gl_context
*ctx
, GLenum name
);
88 * Notify the driver after Mesa has made some internal state changes.
90 * This is in addition to any state change callbacks Mesa may already have
93 void (*UpdateState
)( struct gl_context
*ctx
, GLbitfield new_state
);
96 * Get the width and height of the named buffer/window.
98 * Mesa uses this to determine when the driver's window size has changed.
99 * XXX OBSOLETE: this function will be removed in the future.
101 void (*GetBufferSize
)( struct gl_framebuffer
*buffer
,
102 GLuint
*width
, GLuint
*height
);
105 * Resize the given framebuffer to the given size.
106 * XXX OBSOLETE: this function will be removed in the future.
108 void (*ResizeBuffers
)( struct gl_context
*ctx
, struct gl_framebuffer
*fb
,
109 GLuint width
, GLuint height
);
112 * This is called whenever glFinish() is called.
114 void (*Finish
)( struct gl_context
*ctx
);
117 * This is called whenever glFlush() is called.
119 void (*Flush
)( struct gl_context
*ctx
);
122 * Clear the color/depth/stencil/accum buffer(s).
123 * \param buffers a bitmask of BUFFER_BIT_* flags indicating which
124 * renderbuffers need to be cleared.
126 void (*Clear
)( struct gl_context
*ctx
, GLbitfield buffers
);
129 * Execute glAccum command.
131 void (*Accum
)( struct gl_context
*ctx
, GLenum op
, GLfloat value
);
135 * Execute glRasterPos, updating the ctx->Current.Raster fields
137 void (*RasterPos
)( struct gl_context
*ctx
, const GLfloat v
[4] );
140 * \name Image-related functions
145 * Called by glDrawPixels().
146 * \p unpack describes how to unpack the source image data.
148 void (*DrawPixels
)( struct gl_context
*ctx
,
149 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
150 GLenum format
, GLenum type
,
151 const struct gl_pixelstore_attrib
*unpack
,
152 const GLvoid
*pixels
);
155 * Called by glReadPixels().
157 void (*ReadPixels
)( struct gl_context
*ctx
,
158 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
159 GLenum format
, GLenum type
,
160 const struct gl_pixelstore_attrib
*unpack
,
164 * Called by glCopyPixels().
166 void (*CopyPixels
)( struct gl_context
*ctx
, GLint srcx
, GLint srcy
,
167 GLsizei width
, GLsizei height
,
168 GLint dstx
, GLint dsty
, GLenum type
);
171 * Called by glBitmap().
173 void (*Bitmap
)( struct gl_context
*ctx
,
174 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
175 const struct gl_pixelstore_attrib
*unpack
,
176 const GLubyte
*bitmap
);
181 * \name Texture image functions
186 * Choose actual hardware texture format given the texture target, the
187 * user-provided source image format and type and the desired internal
188 * format. In some cases, srcFormat and srcType can be GL_NONE.
189 * Note: target may be GL_TEXTURE_CUBE_MAP, but never
190 * GL_TEXTURE_CUBE_MAP_[POSITIVE/NEGATIVE]_[XYZ].
191 * Called by glTexImage(), etc.
193 gl_format (*ChooseTextureFormat
)( struct gl_context
*ctx
,
194 GLenum target
, GLint internalFormat
,
195 GLenum srcFormat
, GLenum srcType
);
198 * Determine sample counts support for a particular target and format
200 * \param ctx GL context
201 * \param target GL target enum
202 * \param internalFormat GL format enum
203 * \param samples Buffer to hold the returned sample counts.
204 * Drivers \b must \b not return more than 16 counts.
207 * The number of sample counts actually written to \c samples. If
208 * \c internaFormat is not renderable, zero is returned.
210 size_t (*QuerySamplesForFormat
)(struct gl_context
*ctx
,
212 GLenum internalFormat
,
216 * Called by glTexImage[123]D() and glCopyTexImage[12]D()
217 * Allocate texture memory and copy the user's image to the buffer.
218 * The gl_texture_image fields, etc. will be fully initialized.
219 * The parameters are the same as glTexImage3D(), plus:
220 * \param dims 1, 2, or 3 indicating glTexImage1/2/3D()
221 * \param packing describes how to unpack the source data.
222 * \param texImage is the destination texture image.
224 void (*TexImage
)(struct gl_context
*ctx
, GLuint dims
,
225 struct gl_texture_image
*texImage
,
226 GLenum format
, GLenum type
, const GLvoid
*pixels
,
227 const struct gl_pixelstore_attrib
*packing
);
230 * Called by glTexSubImage[123]D().
231 * Replace a subset of the target texture with new texel data.
233 void (*TexSubImage
)(struct gl_context
*ctx
, GLuint dims
,
234 struct gl_texture_image
*texImage
,
235 GLint xoffset
, GLint yoffset
, GLint zoffset
,
236 GLsizei width
, GLsizei height
, GLint depth
,
237 GLenum format
, GLenum type
,
238 const GLvoid
*pixels
,
239 const struct gl_pixelstore_attrib
*packing
);
243 * Called by glGetTexImage().
245 void (*GetTexImage
)( struct gl_context
*ctx
,
246 GLenum format
, GLenum type
, GLvoid
*pixels
,
247 struct gl_texture_image
*texImage
);
250 * Called by glCopyTex[Sub]Image[123]D().
252 void (*CopyTexSubImage
)(struct gl_context
*ctx
, GLuint dims
,
253 struct gl_texture_image
*texImage
,
254 GLint xoffset
, GLint yoffset
, GLint zoffset
,
255 struct gl_renderbuffer
*rb
,
257 GLsizei width
, GLsizei height
);
260 * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled.
262 void (*GenerateMipmap
)(struct gl_context
*ctx
, GLenum target
,
263 struct gl_texture_object
*texObj
);
266 * Called by glTexImage, glCompressedTexImage, glCopyTexImage
267 * and glTexStorage to check if the dimensions of the texture image
269 * \param target any GL_PROXY_TEXTURE_x target
270 * \return GL_TRUE if the image is OK, GL_FALSE if too large
272 GLboolean (*TestProxyTexImage
)(struct gl_context
*ctx
, GLenum target
,
273 GLint level
, gl_format format
,
274 GLint width
, GLint height
,
275 GLint depth
, GLint border
);
280 * \name Compressed texture functions
285 * Called by glCompressedTexImage[123]D().
287 void (*CompressedTexImage
)(struct gl_context
*ctx
, GLuint dims
,
288 struct gl_texture_image
*texImage
,
289 GLsizei imageSize
, const GLvoid
*data
);
292 * Called by glCompressedTexSubImage[123]D().
294 void (*CompressedTexSubImage
)(struct gl_context
*ctx
, GLuint dims
,
295 struct gl_texture_image
*texImage
,
296 GLint xoffset
, GLint yoffset
, GLint zoffset
,
297 GLsizei width
, GLint height
, GLint depth
,
299 GLsizei imageSize
, const GLvoid
*data
);
302 * Called by glGetCompressedTexImage.
304 void (*GetCompressedTexImage
)(struct gl_context
*ctx
,
305 struct gl_texture_image
*texImage
,
310 * \name Texture object / image functions
315 * Called by glBindTexture().
317 void (*BindTexture
)( struct gl_context
*ctx
, GLenum target
,
318 struct gl_texture_object
*tObj
);
321 * Called to allocate a new texture object. Drivers will usually
322 * allocate/return a subclass of gl_texture_object.
324 struct gl_texture_object
* (*NewTextureObject
)(struct gl_context
*ctx
,
325 GLuint name
, GLenum target
);
327 * Called to delete/free a texture object. Drivers should free the
328 * object and any image data it contains.
330 void (*DeleteTexture
)(struct gl_context
*ctx
,
331 struct gl_texture_object
*texObj
);
333 /** Called to allocate a new texture image object. */
334 struct gl_texture_image
* (*NewTextureImage
)(struct gl_context
*ctx
);
336 /** Called to free a texture image object returned by NewTextureImage() */
337 void (*DeleteTextureImage
)(struct gl_context
*ctx
,
338 struct gl_texture_image
*);
340 /** Called to allocate memory for a single texture image */
341 GLboolean (*AllocTextureImageBuffer
)(struct gl_context
*ctx
,
342 struct gl_texture_image
*texImage
);
344 /** Free the memory for a single texture image */
345 void (*FreeTextureImageBuffer
)(struct gl_context
*ctx
,
346 struct gl_texture_image
*texImage
);
348 /** Map a slice of a texture image into user space.
349 * Note: for GL_TEXTURE_1D_ARRAY, height must be 1, y must be 0 and slice
350 * indicates the 1D array index.
351 * \param texImage the texture image
352 * \param slice the 3D image slice or array texture slice
353 * \param x, y, w, h region of interest
354 * \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and
355 * GL_MAP_INVALIDATE_RANGE_BIT (if writing)
356 * \param mapOut returns start of mapping of region of interest
357 * \param rowStrideOut returns row stride (in bytes). In the case of a
358 * compressed texture, this is the byte stride between one row of blocks
361 void (*MapTextureImage
)(struct gl_context
*ctx
,
362 struct gl_texture_image
*texImage
,
364 GLuint x
, GLuint y
, GLuint w
, GLuint h
,
366 GLubyte
**mapOut
, GLint
*rowStrideOut
);
368 void (*UnmapTextureImage
)(struct gl_context
*ctx
,
369 struct gl_texture_image
*texImage
,
372 /** For GL_ARB_texture_storage. Allocate memory for whole mipmap stack.
373 * All the gl_texture_images in the texture object will have their
374 * dimensions, format, etc. initialized already.
376 GLboolean (*AllocTextureStorage
)(struct gl_context
*ctx
,
377 struct gl_texture_object
*texObj
,
378 GLsizei levels
, GLsizei width
,
379 GLsizei height
, GLsizei depth
);
382 * Map a renderbuffer into user space.
383 * \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and
384 * GL_MAP_INVALIDATE_RANGE_BIT (if writing)
386 void (*MapRenderbuffer
)(struct gl_context
*ctx
,
387 struct gl_renderbuffer
*rb
,
388 GLuint x
, GLuint y
, GLuint w
, GLuint h
,
390 GLubyte
**mapOut
, GLint
*rowStrideOut
);
392 void (*UnmapRenderbuffer
)(struct gl_context
*ctx
,
393 struct gl_renderbuffer
*rb
);
399 * \name Vertex/fragment program functions
402 /** Bind a vertex/fragment program */
403 void (*BindProgram
)(struct gl_context
*ctx
, GLenum target
, struct gl_program
*prog
);
404 /** Allocate a new program */
405 struct gl_program
* (*NewProgram
)(struct gl_context
*ctx
, GLenum target
, GLuint id
);
406 /** Delete a program */
407 void (*DeleteProgram
)(struct gl_context
*ctx
, struct gl_program
*prog
);
409 * Notify driver that a program string (and GPU code) has been specified
410 * or modified. Return GL_TRUE or GL_FALSE to indicate if the program is
411 * supported by the driver.
413 GLboolean (*ProgramStringNotify
)(struct gl_context
*ctx
, GLenum target
,
414 struct gl_program
*prog
);
417 * Notify driver that the sampler uniforms for the current program have
418 * changed. On some drivers, this may require shader recompiles.
420 void (*SamplerUniformChange
)(struct gl_context
*ctx
, GLenum target
,
421 struct gl_program
*prog
);
423 /** Query if program can be loaded onto hardware */
424 GLboolean (*IsProgramNative
)(struct gl_context
*ctx
, GLenum target
,
425 struct gl_program
*prog
);
430 * \name GLSL shader/program functions.
434 * Called when a shader program is linked.
436 * This gives drivers an opportunity to clone the IR and make their
437 * own transformations on it for the purposes of code generation.
439 GLboolean (*LinkShader
)(struct gl_context
*ctx
, struct gl_shader_program
*shader
);
443 * \name State-changing functions.
445 * \note drawing functions are above.
447 * These functions are called by their corresponding OpenGL API functions.
448 * They are \e also called by the gl_PopAttrib() function!!!
449 * May add more functions like these to the device driver in the future.
452 /** Specify the alpha test function */
453 void (*AlphaFunc
)(struct gl_context
*ctx
, GLenum func
, GLfloat ref
);
454 /** Set the blend color */
455 void (*BlendColor
)(struct gl_context
*ctx
, const GLfloat color
[4]);
456 /** Set the blend equation */
457 void (*BlendEquationSeparate
)(struct gl_context
*ctx
, GLenum modeRGB
, GLenum modeA
);
458 void (*BlendEquationSeparatei
)(struct gl_context
*ctx
, GLuint buffer
,
459 GLenum modeRGB
, GLenum modeA
);
460 /** Specify pixel arithmetic */
461 void (*BlendFuncSeparate
)(struct gl_context
*ctx
,
462 GLenum sfactorRGB
, GLenum dfactorRGB
,
463 GLenum sfactorA
, GLenum dfactorA
);
464 void (*BlendFuncSeparatei
)(struct gl_context
*ctx
, GLuint buffer
,
465 GLenum sfactorRGB
, GLenum dfactorRGB
,
466 GLenum sfactorA
, GLenum dfactorA
);
467 /** Specify a plane against which all geometry is clipped */
468 void (*ClipPlane
)(struct gl_context
*ctx
, GLenum plane
, const GLfloat
*equation
);
469 /** Enable and disable writing of frame buffer color components */
470 void (*ColorMask
)(struct gl_context
*ctx
, GLboolean rmask
, GLboolean gmask
,
471 GLboolean bmask
, GLboolean amask
);
472 void (*ColorMaskIndexed
)(struct gl_context
*ctx
, GLuint buf
, GLboolean rmask
,
473 GLboolean gmask
, GLboolean bmask
, GLboolean amask
);
474 /** Cause a material color to track the current color */
475 void (*ColorMaterial
)(struct gl_context
*ctx
, GLenum face
, GLenum mode
);
476 /** Specify whether front- or back-facing facets can be culled */
477 void (*CullFace
)(struct gl_context
*ctx
, GLenum mode
);
478 /** Define front- and back-facing polygons */
479 void (*FrontFace
)(struct gl_context
*ctx
, GLenum mode
);
480 /** Specify the value used for depth buffer comparisons */
481 void (*DepthFunc
)(struct gl_context
*ctx
, GLenum func
);
482 /** Enable or disable writing into the depth buffer */
483 void (*DepthMask
)(struct gl_context
*ctx
, GLboolean flag
);
484 /** Specify mapping of depth values from NDC to window coordinates */
485 void (*DepthRange
)(struct gl_context
*ctx
, GLclampd nearval
, GLclampd farval
);
486 /** Specify the current buffer for writing */
487 void (*DrawBuffer
)( struct gl_context
*ctx
, GLenum buffer
);
488 /** Specify the buffers for writing for fragment programs*/
489 void (*DrawBuffers
)( struct gl_context
*ctx
, GLsizei n
, const GLenum
*buffers
);
490 /** Enable or disable server-side gl capabilities */
491 void (*Enable
)(struct gl_context
*ctx
, GLenum cap
, GLboolean state
);
492 /** Specify fog parameters */
493 void (*Fogfv
)(struct gl_context
*ctx
, GLenum pname
, const GLfloat
*params
);
494 /** Specify implementation-specific hints */
495 void (*Hint
)(struct gl_context
*ctx
, GLenum target
, GLenum mode
);
496 /** Set light source parameters.
497 * Note: for GL_POSITION and GL_SPOT_DIRECTION, params will have already
498 * been transformed to eye-space.
500 void (*Lightfv
)(struct gl_context
*ctx
, GLenum light
,
501 GLenum pname
, const GLfloat
*params
);
502 /** Set the lighting model parameters */
503 void (*LightModelfv
)(struct gl_context
*ctx
, GLenum pname
, const GLfloat
*params
);
504 /** Specify the line stipple pattern */
505 void (*LineStipple
)(struct gl_context
*ctx
, GLint factor
, GLushort pattern
);
506 /** Specify the width of rasterized lines */
507 void (*LineWidth
)(struct gl_context
*ctx
, GLfloat width
);
508 /** Specify a logical pixel operation for color index rendering */
509 void (*LogicOpcode
)(struct gl_context
*ctx
, GLenum opcode
);
510 void (*PointParameterfv
)(struct gl_context
*ctx
, GLenum pname
,
511 const GLfloat
*params
);
512 /** Specify the diameter of rasterized points */
513 void (*PointSize
)(struct gl_context
*ctx
, GLfloat size
);
514 /** Select a polygon rasterization mode */
515 void (*PolygonMode
)(struct gl_context
*ctx
, GLenum face
, GLenum mode
);
516 /** Set the scale and units used to calculate depth values */
517 void (*PolygonOffset
)(struct gl_context
*ctx
, GLfloat factor
, GLfloat units
);
518 /** Set the polygon stippling pattern */
519 void (*PolygonStipple
)(struct gl_context
*ctx
, const GLubyte
*mask
);
520 /* Specifies the current buffer for reading */
521 void (*ReadBuffer
)( struct gl_context
*ctx
, GLenum buffer
);
522 /** Set rasterization mode */
523 void (*RenderMode
)(struct gl_context
*ctx
, GLenum mode
);
524 /** Define the scissor box */
525 void (*Scissor
)(struct gl_context
*ctx
, GLint x
, GLint y
, GLsizei w
, GLsizei h
);
526 /** Select flat or smooth shading */
527 void (*ShadeModel
)(struct gl_context
*ctx
, GLenum mode
);
528 /** OpenGL 2.0 two-sided StencilFunc */
529 void (*StencilFuncSeparate
)(struct gl_context
*ctx
, GLenum face
, GLenum func
,
530 GLint ref
, GLuint mask
);
531 /** OpenGL 2.0 two-sided StencilMask */
532 void (*StencilMaskSeparate
)(struct gl_context
*ctx
, GLenum face
, GLuint mask
);
533 /** OpenGL 2.0 two-sided StencilOp */
534 void (*StencilOpSeparate
)(struct gl_context
*ctx
, GLenum face
, GLenum fail
,
535 GLenum zfail
, GLenum zpass
);
536 /** Control the generation of texture coordinates */
537 void (*TexGen
)(struct gl_context
*ctx
, GLenum coord
, GLenum pname
,
538 const GLfloat
*params
);
539 /** Set texture environment parameters */
540 void (*TexEnv
)(struct gl_context
*ctx
, GLenum target
, GLenum pname
,
541 const GLfloat
*param
);
542 /** Set texture parameters */
543 void (*TexParameter
)(struct gl_context
*ctx
, GLenum target
,
544 struct gl_texture_object
*texObj
,
545 GLenum pname
, const GLfloat
*params
);
546 /** Set the viewport */
547 void (*Viewport
)(struct gl_context
*ctx
, GLint x
, GLint y
, GLsizei w
, GLsizei h
);
552 * \name Vertex/pixel buffer object functions
555 void (*BindBuffer
)( struct gl_context
*ctx
, GLenum target
,
556 struct gl_buffer_object
*obj
);
558 struct gl_buffer_object
* (*NewBufferObject
)( struct gl_context
*ctx
, GLuint buffer
,
561 void (*DeleteBuffer
)( struct gl_context
*ctx
, struct gl_buffer_object
*obj
);
563 GLboolean (*BufferData
)( struct gl_context
*ctx
, GLenum target
, GLsizeiptrARB size
,
564 const GLvoid
*data
, GLenum usage
,
565 struct gl_buffer_object
*obj
);
567 void (*BufferSubData
)( struct gl_context
*ctx
, GLintptrARB offset
,
568 GLsizeiptrARB size
, const GLvoid
*data
,
569 struct gl_buffer_object
*obj
);
571 void (*GetBufferSubData
)( struct gl_context
*ctx
,
572 GLintptrARB offset
, GLsizeiptrARB size
,
573 GLvoid
*data
, struct gl_buffer_object
*obj
);
575 void (*CopyBufferSubData
)( struct gl_context
*ctx
,
576 struct gl_buffer_object
*src
,
577 struct gl_buffer_object
*dst
,
578 GLintptr readOffset
, GLintptr writeOffset
,
581 /* May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
583 void * (*MapBufferRange
)( struct gl_context
*ctx
, GLintptr offset
,
584 GLsizeiptr length
, GLbitfield access
,
585 struct gl_buffer_object
*obj
);
587 void (*FlushMappedBufferRange
)(struct gl_context
*ctx
,
588 GLintptr offset
, GLsizeiptr length
,
589 struct gl_buffer_object
*obj
);
591 GLboolean (*UnmapBuffer
)( struct gl_context
*ctx
,
592 struct gl_buffer_object
*obj
);
596 * \name Functions for GL_APPLE_object_purgeable
599 /* variations on ObjectPurgeable */
600 GLenum (*BufferObjectPurgeable
)( struct gl_context
*ctx
, struct gl_buffer_object
*obj
, GLenum option
);
601 GLenum (*RenderObjectPurgeable
)( struct gl_context
*ctx
, struct gl_renderbuffer
*obj
, GLenum option
);
602 GLenum (*TextureObjectPurgeable
)( struct gl_context
*ctx
, struct gl_texture_object
*obj
, GLenum option
);
604 /* variations on ObjectUnpurgeable */
605 GLenum (*BufferObjectUnpurgeable
)( struct gl_context
*ctx
, struct gl_buffer_object
*obj
, GLenum option
);
606 GLenum (*RenderObjectUnpurgeable
)( struct gl_context
*ctx
, struct gl_renderbuffer
*obj
, GLenum option
);
607 GLenum (*TextureObjectUnpurgeable
)( struct gl_context
*ctx
, struct gl_texture_object
*obj
, GLenum option
);
611 * \name Functions for GL_EXT_framebuffer_{object,blit,discard}.
614 struct gl_framebuffer
* (*NewFramebuffer
)(struct gl_context
*ctx
, GLuint name
);
615 struct gl_renderbuffer
* (*NewRenderbuffer
)(struct gl_context
*ctx
, GLuint name
);
616 void (*BindFramebuffer
)(struct gl_context
*ctx
, GLenum target
,
617 struct gl_framebuffer
*drawFb
,
618 struct gl_framebuffer
*readFb
);
619 void (*FramebufferRenderbuffer
)(struct gl_context
*ctx
,
620 struct gl_framebuffer
*fb
,
622 struct gl_renderbuffer
*rb
);
623 void (*RenderTexture
)(struct gl_context
*ctx
,
624 struct gl_framebuffer
*fb
,
625 struct gl_renderbuffer_attachment
*att
);
626 void (*FinishRenderTexture
)(struct gl_context
*ctx
,
627 struct gl_renderbuffer
*rb
);
628 void (*ValidateFramebuffer
)(struct gl_context
*ctx
,
629 struct gl_framebuffer
*fb
);
631 void (*BlitFramebuffer
)(struct gl_context
*ctx
,
632 GLint srcX0
, GLint srcY0
, GLint srcX1
, GLint srcY1
,
633 GLint dstX0
, GLint dstY0
, GLint dstX1
, GLint dstY1
,
634 GLbitfield mask
, GLenum filter
);
635 void (*DiscardFramebuffer
)(struct gl_context
*ctx
,
636 GLenum target
, GLsizei numAttachments
, const GLenum
*attachments
);
639 * \name Query objects
642 struct gl_query_object
* (*NewQueryObject
)(struct gl_context
*ctx
, GLuint id
);
643 void (*DeleteQuery
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
644 void (*BeginQuery
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
645 void (*QueryCounter
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
646 void (*EndQuery
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
647 void (*CheckQuery
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
648 void (*WaitQuery
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
653 * \name Vertex Array objects
656 struct gl_array_object
* (*NewArrayObject
)(struct gl_context
*ctx
, GLuint id
);
657 void (*DeleteArrayObject
)(struct gl_context
*ctx
, struct gl_array_object
*obj
);
658 void (*BindArrayObject
)(struct gl_context
*ctx
, struct gl_array_object
*obj
);
662 * \name GLSL-related functions (ARB extensions and OpenGL 2.x)
665 struct gl_shader
*(*NewShader
)(struct gl_context
*ctx
, GLuint name
, GLenum type
);
666 void (*DeleteShader
)(struct gl_context
*ctx
, struct gl_shader
*shader
);
667 struct gl_shader_program
*(*NewShaderProgram
)(struct gl_context
*ctx
, GLuint name
);
668 void (*DeleteShaderProgram
)(struct gl_context
*ctx
,
669 struct gl_shader_program
*shProg
);
670 void (*UseProgram
)(struct gl_context
*ctx
, struct gl_shader_program
*shProg
);
675 * \name Support for multiple T&L engines
680 * Set by the driver-supplied T&L engine.
682 * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd().
684 GLuint CurrentExecPrimitive
;
687 * Current glBegin state of an in-progress compilation. May be
688 * GL_POINTS, GL_TRIANGLE_STRIP, etc. or PRIM_OUTSIDE_BEGIN_END
691 GLuint CurrentSavePrimitive
;
694 #define FLUSH_STORED_VERTICES 0x1
695 #define FLUSH_UPDATE_CURRENT 0x2
697 * Set by the driver-supplied T&L engine whenever vertices are buffered
698 * between glBegin()/glEnd() objects or __struct gl_contextRec::Current
699 * is not updated. A bitmask of the FLUSH_x values above.
701 * The dd_function_table::FlushVertices call below may be used to resolve
704 GLbitfield NeedFlush
;
706 /** Need to call SaveFlushVertices() upon state change? */
707 GLboolean SaveNeedFlush
;
709 /* Called prior to any of the GLvertexformat functions being
710 * called. Paired with Driver.FlushVertices().
712 void (*BeginVertices
)( struct gl_context
*ctx
);
715 * If inside glBegin()/glEnd(), it should ASSERT(0). Otherwise, if
716 * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
717 * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
718 * __struct gl_contextRec::Current and gl_light_attrib::Material
720 * Note that the default T&L engine never clears the
721 * FLUSH_UPDATE_CURRENT bit, even after performing the update.
723 void (*FlushVertices
)( struct gl_context
*ctx
, GLuint flags
);
724 void (*SaveFlushVertices
)( struct gl_context
*ctx
);
727 * Give the driver the opportunity to hook in its own vtxfmt for
728 * compiling optimized display lists. This is called on each valid
729 * glBegin() during list compilation.
731 GLboolean (*NotifySaveBegin
)( struct gl_context
*ctx
, GLenum mode
);
734 * Notify driver that the special derived value _NeedEyeCoords has
737 void (*LightingSpaceChange
)( struct gl_context
*ctx
);
740 * Called by glNewList().
742 * Let the T&L component know what is going on with display lists
743 * in time to make changes to dispatch tables, etc.
745 void (*NewList
)( struct gl_context
*ctx
, GLuint list
, GLenum mode
);
747 * Called by glEndList().
749 * \sa dd_function_table::NewList.
751 void (*EndList
)( struct gl_context
*ctx
);
754 * Called by glCallList(s).
756 * Notify the T&L component before and after calling a display list.
758 void (*BeginCallList
)( struct gl_context
*ctx
,
759 struct gl_display_list
*dlist
);
761 * Called by glEndCallList().
763 * \sa dd_function_table::BeginCallList.
765 void (*EndCallList
)( struct gl_context
*ctx
);
770 * \name GL_ARB_sync interfaces
773 struct gl_sync_object
* (*NewSyncObject
)(struct gl_context
*, GLenum
);
774 void (*FenceSync
)(struct gl_context
*, struct gl_sync_object
*, GLenum
, GLbitfield
);
775 void (*DeleteSyncObject
)(struct gl_context
*, struct gl_sync_object
*);
776 void (*CheckSync
)(struct gl_context
*, struct gl_sync_object
*);
777 void (*ClientWaitSync
)(struct gl_context
*, struct gl_sync_object
*,
778 GLbitfield
, GLuint64
);
779 void (*ServerWaitSync
)(struct gl_context
*, struct gl_sync_object
*,
780 GLbitfield
, GLuint64
);
783 /** GL_NV_conditional_render */
784 void (*BeginConditionalRender
)(struct gl_context
*ctx
, struct gl_query_object
*q
,
786 void (*EndConditionalRender
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
789 * \name GL_OES_draw_texture interface
792 void (*DrawTex
)(struct gl_context
*ctx
, GLfloat x
, GLfloat y
, GLfloat z
,
793 GLfloat width
, GLfloat height
);
797 * \name GL_OES_EGL_image interface
799 void (*EGLImageTargetTexture2D
)(struct gl_context
*ctx
, GLenum target
,
800 struct gl_texture_object
*texObj
,
801 struct gl_texture_image
*texImage
,
802 GLeglImageOES image_handle
);
803 void (*EGLImageTargetRenderbufferStorage
)(struct gl_context
*ctx
,
804 struct gl_renderbuffer
*rb
,
808 * \name GL_EXT_transform_feedback interface
810 struct gl_transform_feedback_object
*
811 (*NewTransformFeedback
)(struct gl_context
*ctx
, GLuint name
);
812 void (*DeleteTransformFeedback
)(struct gl_context
*ctx
,
813 struct gl_transform_feedback_object
*obj
);
814 void (*BeginTransformFeedback
)(struct gl_context
*ctx
, GLenum mode
,
815 struct gl_transform_feedback_object
*obj
);
816 void (*EndTransformFeedback
)(struct gl_context
*ctx
,
817 struct gl_transform_feedback_object
*obj
);
818 void (*PauseTransformFeedback
)(struct gl_context
*ctx
,
819 struct gl_transform_feedback_object
*obj
);
820 void (*ResumeTransformFeedback
)(struct gl_context
*ctx
,
821 struct gl_transform_feedback_object
*obj
);
824 * \name GL_NV_texture_barrier interface
826 void (*TextureBarrier
)(struct gl_context
*ctx
);
829 * \name GL_ARB_sampler_objects
831 struct gl_sampler_object
* (*NewSamplerObject
)(struct gl_context
*ctx
,
833 void (*DeleteSamplerObject
)(struct gl_context
*ctx
,
834 struct gl_sampler_object
*samp
);
837 * \name Return a timestamp in nanoseconds as defined by GL_ARB_timer_query.
838 * This should be equivalent to glGetInteger64v(GL_TIMESTAMP);
840 uint64_t (*GetTimestamp
)(struct gl_context
*ctx
);
843 * \name GL_ARB_texture_multisample
845 void (*GetSamplePosition
)(struct gl_context
*ctx
,
846 struct gl_framebuffer
*fb
,
853 * Per-vertex functions.
855 * These are the functions which can appear between glBegin and glEnd.
856 * Depending on whether we're inside or outside a glBegin/End pair
857 * and whether we're in immediate mode or building a display list, these
858 * functions behave differently. This structure allows us to switch
859 * between those modes more easily.
861 * Generally, these pointers point to functions in the VBO module.
864 void (GLAPIENTRYP ArrayElement
)( GLint
);
865 void (GLAPIENTRYP Color3f
)( GLfloat
, GLfloat
, GLfloat
);
866 void (GLAPIENTRYP Color3fv
)( const GLfloat
* );
867 void (GLAPIENTRYP Color4f
)( GLfloat
, GLfloat
, GLfloat
, GLfloat
);
868 void (GLAPIENTRYP Color4fv
)( const GLfloat
* );
869 void (GLAPIENTRYP EdgeFlag
)( GLboolean
);
870 void (GLAPIENTRYP EvalCoord1f
)( GLfloat
);
871 void (GLAPIENTRYP EvalCoord1fv
)( const GLfloat
* );
872 void (GLAPIENTRYP EvalCoord2f
)( GLfloat
, GLfloat
);
873 void (GLAPIENTRYP EvalCoord2fv
)( const GLfloat
* );
874 void (GLAPIENTRYP EvalPoint1
)( GLint
);
875 void (GLAPIENTRYP EvalPoint2
)( GLint
, GLint
);
876 void (GLAPIENTRYP FogCoordfEXT
)( GLfloat
);
877 void (GLAPIENTRYP FogCoordfvEXT
)( const GLfloat
* );
878 void (GLAPIENTRYP Indexf
)( GLfloat
);
879 void (GLAPIENTRYP Indexfv
)( const GLfloat
* );
880 void (GLAPIENTRYP Materialfv
)( GLenum face
, GLenum pname
, const GLfloat
* );
881 void (GLAPIENTRYP MultiTexCoord1fARB
)( GLenum
, GLfloat
);
882 void (GLAPIENTRYP MultiTexCoord1fvARB
)( GLenum
, const GLfloat
* );
883 void (GLAPIENTRYP MultiTexCoord2fARB
)( GLenum
, GLfloat
, GLfloat
);
884 void (GLAPIENTRYP MultiTexCoord2fvARB
)( GLenum
, const GLfloat
* );
885 void (GLAPIENTRYP MultiTexCoord3fARB
)( GLenum
, GLfloat
, GLfloat
, GLfloat
);
886 void (GLAPIENTRYP MultiTexCoord3fvARB
)( GLenum
, const GLfloat
* );
887 void (GLAPIENTRYP MultiTexCoord4fARB
)( GLenum
, GLfloat
, GLfloat
, GLfloat
, GLfloat
);
888 void (GLAPIENTRYP MultiTexCoord4fvARB
)( GLenum
, const GLfloat
* );
889 void (GLAPIENTRYP Normal3f
)( GLfloat
, GLfloat
, GLfloat
);
890 void (GLAPIENTRYP Normal3fv
)( const GLfloat
* );
891 void (GLAPIENTRYP SecondaryColor3fEXT
)( GLfloat
, GLfloat
, GLfloat
);
892 void (GLAPIENTRYP SecondaryColor3fvEXT
)( const GLfloat
* );
893 void (GLAPIENTRYP TexCoord1f
)( GLfloat
);
894 void (GLAPIENTRYP TexCoord1fv
)( const GLfloat
* );
895 void (GLAPIENTRYP TexCoord2f
)( GLfloat
, GLfloat
);
896 void (GLAPIENTRYP TexCoord2fv
)( const GLfloat
* );
897 void (GLAPIENTRYP TexCoord3f
)( GLfloat
, GLfloat
, GLfloat
);
898 void (GLAPIENTRYP TexCoord3fv
)( const GLfloat
* );
899 void (GLAPIENTRYP TexCoord4f
)( GLfloat
, GLfloat
, GLfloat
, GLfloat
);
900 void (GLAPIENTRYP TexCoord4fv
)( const GLfloat
* );
901 void (GLAPIENTRYP Vertex2f
)( GLfloat
, GLfloat
);
902 void (GLAPIENTRYP Vertex2fv
)( const GLfloat
* );
903 void (GLAPIENTRYP Vertex3f
)( GLfloat
, GLfloat
, GLfloat
);
904 void (GLAPIENTRYP Vertex3fv
)( const GLfloat
* );
905 void (GLAPIENTRYP Vertex4f
)( GLfloat
, GLfloat
, GLfloat
, GLfloat
);
906 void (GLAPIENTRYP Vertex4fv
)( const GLfloat
* );
907 void (GLAPIENTRYP CallList
)( GLuint
);
908 void (GLAPIENTRYP CallLists
)( GLsizei
, GLenum
, const GLvoid
* );
909 void (GLAPIENTRYP Begin
)( GLenum
);
910 void (GLAPIENTRYP End
)( void );
911 void (GLAPIENTRYP PrimitiveRestartNV
)( void );
912 /* Originally for GL_NV_vertex_program, now used only dlist.c and friends */
913 void (GLAPIENTRYP VertexAttrib1fNV
)( GLuint index
, GLfloat x
);
914 void (GLAPIENTRYP VertexAttrib1fvNV
)( GLuint index
, const GLfloat
*v
);
915 void (GLAPIENTRYP VertexAttrib2fNV
)( GLuint index
, GLfloat x
, GLfloat y
);
916 void (GLAPIENTRYP VertexAttrib2fvNV
)( GLuint index
, const GLfloat
*v
);
917 void (GLAPIENTRYP VertexAttrib3fNV
)( GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
);
918 void (GLAPIENTRYP VertexAttrib3fvNV
)( GLuint index
, const GLfloat
*v
);
919 void (GLAPIENTRYP VertexAttrib4fNV
)( GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
);
920 void (GLAPIENTRYP VertexAttrib4fvNV
)( GLuint index
, const GLfloat
*v
);
921 /* GL_ARB_vertex_program */
922 void (GLAPIENTRYP VertexAttrib1fARB
)( GLuint index
, GLfloat x
);
923 void (GLAPIENTRYP VertexAttrib1fvARB
)( GLuint index
, const GLfloat
*v
);
924 void (GLAPIENTRYP VertexAttrib2fARB
)( GLuint index
, GLfloat x
, GLfloat y
);
925 void (GLAPIENTRYP VertexAttrib2fvARB
)( GLuint index
, const GLfloat
*v
);
926 void (GLAPIENTRYP VertexAttrib3fARB
)( GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
);
927 void (GLAPIENTRYP VertexAttrib3fvARB
)( GLuint index
, const GLfloat
*v
);
928 void (GLAPIENTRYP VertexAttrib4fARB
)( GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
);
929 void (GLAPIENTRYP VertexAttrib4fvARB
)( GLuint index
, const GLfloat
*v
);
931 /* GL_EXT_gpu_shader4 / GL 3.0 */
932 void (GLAPIENTRYP VertexAttribI1i
)( GLuint index
, GLint x
);
933 void (GLAPIENTRYP VertexAttribI2i
)( GLuint index
, GLint x
, GLint y
);
934 void (GLAPIENTRYP VertexAttribI3i
)( GLuint index
, GLint x
, GLint y
, GLint z
);
935 void (GLAPIENTRYP VertexAttribI4i
)( GLuint index
, GLint x
, GLint y
, GLint z
, GLint w
);
936 void (GLAPIENTRYP VertexAttribI2iv
)( GLuint index
, const GLint
*v
);
937 void (GLAPIENTRYP VertexAttribI3iv
)( GLuint index
, const GLint
*v
);
938 void (GLAPIENTRYP VertexAttribI4iv
)( GLuint index
, const GLint
*v
);
940 void (GLAPIENTRYP VertexAttribI1ui
)( GLuint index
, GLuint x
);
941 void (GLAPIENTRYP VertexAttribI2ui
)( GLuint index
, GLuint x
, GLuint y
);
942 void (GLAPIENTRYP VertexAttribI3ui
)( GLuint index
, GLuint x
, GLuint y
, GLuint z
);
943 void (GLAPIENTRYP VertexAttribI4ui
)( GLuint index
, GLuint x
, GLuint y
, GLuint z
, GLuint w
);
944 void (GLAPIENTRYP VertexAttribI2uiv
)( GLuint index
, const GLuint
*v
);
945 void (GLAPIENTRYP VertexAttribI3uiv
)( GLuint index
, const GLuint
*v
);
946 void (GLAPIENTRYP VertexAttribI4uiv
)( GLuint index
, const GLuint
*v
);
948 /* GL_ARB_vertex_type_10_10_10_2_rev / GL3.3 */
949 void (GLAPIENTRYP VertexP2ui
)( GLenum type
, GLuint value
);
950 void (GLAPIENTRYP VertexP2uiv
)( GLenum type
, const GLuint
*value
);
952 void (GLAPIENTRYP VertexP3ui
)( GLenum type
, GLuint value
);
953 void (GLAPIENTRYP VertexP3uiv
)( GLenum type
, const GLuint
*value
);
955 void (GLAPIENTRYP VertexP4ui
)( GLenum type
, GLuint value
);
956 void (GLAPIENTRYP VertexP4uiv
)( GLenum type
, const GLuint
*value
);
958 void (GLAPIENTRYP TexCoordP1ui
)( GLenum type
, GLuint coords
);
959 void (GLAPIENTRYP TexCoordP1uiv
)( GLenum type
, const GLuint
*coords
);
961 void (GLAPIENTRYP TexCoordP2ui
)( GLenum type
, GLuint coords
);
962 void (GLAPIENTRYP TexCoordP2uiv
)( GLenum type
, const GLuint
*coords
);
964 void (GLAPIENTRYP TexCoordP3ui
)( GLenum type
, GLuint coords
);
965 void (GLAPIENTRYP TexCoordP3uiv
)( GLenum type
, const GLuint
*coords
);
967 void (GLAPIENTRYP TexCoordP4ui
)( GLenum type
, GLuint coords
);
968 void (GLAPIENTRYP TexCoordP4uiv
)( GLenum type
, const GLuint
*coords
);
970 void (GLAPIENTRYP MultiTexCoordP1ui
)( GLenum texture
, GLenum type
, GLuint coords
);
971 void (GLAPIENTRYP MultiTexCoordP1uiv
)( GLenum texture
, GLenum type
, const GLuint
*coords
);
972 void (GLAPIENTRYP MultiTexCoordP2ui
)( GLenum texture
, GLenum type
, GLuint coords
);
973 void (GLAPIENTRYP MultiTexCoordP2uiv
)( GLenum texture
, GLenum type
, const GLuint
*coords
);
974 void (GLAPIENTRYP MultiTexCoordP3ui
)( GLenum texture
, GLenum type
, GLuint coords
);
975 void (GLAPIENTRYP MultiTexCoordP3uiv
)( GLenum texture
, GLenum type
, const GLuint
*coords
);
976 void (GLAPIENTRYP MultiTexCoordP4ui
)( GLenum texture
, GLenum type
, GLuint coords
);
977 void (GLAPIENTRYP MultiTexCoordP4uiv
)( GLenum texture
, GLenum type
, const GLuint
*coords
);
979 void (GLAPIENTRYP NormalP3ui
)( GLenum type
, GLuint coords
);
980 void (GLAPIENTRYP NormalP3uiv
)( GLenum type
, const GLuint
*coords
);
982 void (GLAPIENTRYP ColorP3ui
)( GLenum type
, GLuint color
);
983 void (GLAPIENTRYP ColorP3uiv
)( GLenum type
, const GLuint
*color
);
985 void (GLAPIENTRYP ColorP4ui
)( GLenum type
, GLuint color
);
986 void (GLAPIENTRYP ColorP4uiv
)( GLenum type
, const GLuint
*color
);
988 void (GLAPIENTRYP SecondaryColorP3ui
)( GLenum type
, GLuint color
);
989 void (GLAPIENTRYP SecondaryColorP3uiv
)( GLenum type
, const GLuint
*color
);
991 void (GLAPIENTRYP VertexAttribP1ui
)( GLuint index
, GLenum type
,
992 GLboolean normalized
, GLuint value
);
993 void (GLAPIENTRYP VertexAttribP2ui
)( GLuint index
, GLenum type
,
994 GLboolean normalized
, GLuint value
);
995 void (GLAPIENTRYP VertexAttribP3ui
)( GLuint index
, GLenum type
,
996 GLboolean normalized
, GLuint value
);
997 void (GLAPIENTRYP VertexAttribP4ui
)( GLuint index
, GLenum type
,
998 GLboolean normalized
, GLuint value
);
999 void (GLAPIENTRYP VertexAttribP1uiv
)( GLuint index
, GLenum type
,
1000 GLboolean normalized
,
1001 const GLuint
*value
);
1002 void (GLAPIENTRYP VertexAttribP2uiv
)( GLuint index
, GLenum type
,
1003 GLboolean normalized
,
1004 const GLuint
*value
);
1005 void (GLAPIENTRYP VertexAttribP3uiv
)( GLuint index
, GLenum type
,
1006 GLboolean normalized
,
1007 const GLuint
*value
);
1008 void (GLAPIENTRYP VertexAttribP4uiv
)( GLuint index
, GLenum type
,
1009 GLboolean normalized
,
1010 const GLuint
*value
);
1014 #endif /* DD_INCLUDED */