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 * Resize the given framebuffer to the given size.
97 * XXX OBSOLETE: this function will be removed in the future.
99 void (*ResizeBuffers
)( struct gl_context
*ctx
, struct gl_framebuffer
*fb
,
100 GLuint width
, GLuint height
);
103 * This is called whenever glFinish() is called.
105 void (*Finish
)( struct gl_context
*ctx
);
108 * This is called whenever glFlush() is called.
110 void (*Flush
)( struct gl_context
*ctx
);
113 * Clear the color/depth/stencil/accum buffer(s).
114 * \param buffers a bitmask of BUFFER_BIT_* flags indicating which
115 * renderbuffers need to be cleared.
117 void (*Clear
)( struct gl_context
*ctx
, GLbitfield buffers
);
120 * Execute glAccum command.
122 void (*Accum
)( struct gl_context
*ctx
, GLenum op
, GLfloat value
);
126 * Execute glRasterPos, updating the ctx->Current.Raster fields
128 void (*RasterPos
)( struct gl_context
*ctx
, const GLfloat v
[4] );
131 * \name Image-related functions
136 * Called by glDrawPixels().
137 * \p unpack describes how to unpack the source image data.
139 void (*DrawPixels
)( struct gl_context
*ctx
,
140 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
141 GLenum format
, GLenum type
,
142 const struct gl_pixelstore_attrib
*unpack
,
143 const GLvoid
*pixels
);
146 * Called by glReadPixels().
148 void (*ReadPixels
)( 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
,
155 * Called by glCopyPixels().
157 void (*CopyPixels
)( struct gl_context
*ctx
, GLint srcx
, GLint srcy
,
158 GLsizei width
, GLsizei height
,
159 GLint dstx
, GLint dsty
, GLenum type
);
162 * Called by glBitmap().
164 void (*Bitmap
)( struct gl_context
*ctx
,
165 GLint x
, GLint y
, GLsizei width
, GLsizei height
,
166 const struct gl_pixelstore_attrib
*unpack
,
167 const GLubyte
*bitmap
);
172 * \name Texture image functions
177 * Choose actual hardware texture format given the texture target, the
178 * user-provided source image format and type and the desired internal
179 * format. In some cases, srcFormat and srcType can be GL_NONE.
180 * Note: target may be GL_TEXTURE_CUBE_MAP, but never
181 * GL_TEXTURE_CUBE_MAP_[POSITIVE/NEGATIVE]_[XYZ].
182 * Called by glTexImage(), etc.
184 gl_format (*ChooseTextureFormat
)( struct gl_context
*ctx
,
185 GLenum target
, GLint internalFormat
,
186 GLenum srcFormat
, GLenum srcType
);
189 * Determine sample counts support for a particular target and format
191 * \param ctx GL context
192 * \param target GL target enum
193 * \param internalFormat GL format enum
194 * \param samples Buffer to hold the returned sample counts.
195 * Drivers \b must \b not return more than 16 counts.
198 * The number of sample counts actually written to \c samples. If
199 * \c internaFormat is not renderable, zero is returned.
201 size_t (*QuerySamplesForFormat
)(struct gl_context
*ctx
,
203 GLenum internalFormat
,
207 * Called by glTexImage[123]D() and glCopyTexImage[12]D()
208 * Allocate texture memory and copy the user's image to the buffer.
209 * The gl_texture_image fields, etc. will be fully initialized.
210 * The parameters are the same as glTexImage3D(), plus:
211 * \param dims 1, 2, or 3 indicating glTexImage1/2/3D()
212 * \param packing describes how to unpack the source data.
213 * \param texImage is the destination texture image.
215 void (*TexImage
)(struct gl_context
*ctx
, GLuint dims
,
216 struct gl_texture_image
*texImage
,
217 GLenum format
, GLenum type
, const GLvoid
*pixels
,
218 const struct gl_pixelstore_attrib
*packing
);
221 * Called by glTexSubImage[123]D().
222 * Replace a subset of the target texture with new texel data.
224 void (*TexSubImage
)(struct gl_context
*ctx
, GLuint dims
,
225 struct gl_texture_image
*texImage
,
226 GLint xoffset
, GLint yoffset
, GLint zoffset
,
227 GLsizei width
, GLsizei height
, GLint depth
,
228 GLenum format
, GLenum type
,
229 const GLvoid
*pixels
,
230 const struct gl_pixelstore_attrib
*packing
);
234 * Called by glGetTexImage().
236 void (*GetTexImage
)( struct gl_context
*ctx
,
237 GLenum format
, GLenum type
, GLvoid
*pixels
,
238 struct gl_texture_image
*texImage
);
241 * Called by glCopyTex[Sub]Image[123]D().
243 * This function should copy a rectangular region in the rb to a single
244 * destination slice, specified by @slice. In the case of 1D array
245 * textures (where one GL call can potentially affect multiple destination
246 * slices), core mesa takes care of calling this function multiple times,
247 * once for each scanline to be copied.
249 void (*CopyTexSubImage
)(struct gl_context
*ctx
, GLuint dims
,
250 struct gl_texture_image
*texImage
,
251 GLint xoffset
, GLint yoffset
, GLint slice
,
252 struct gl_renderbuffer
*rb
,
254 GLsizei width
, GLsizei height
);
257 * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled.
259 void (*GenerateMipmap
)(struct gl_context
*ctx
, GLenum target
,
260 struct gl_texture_object
*texObj
);
263 * Called by glTexImage, glCompressedTexImage, glCopyTexImage
264 * and glTexStorage to check if the dimensions of the texture image
266 * \param target any GL_PROXY_TEXTURE_x target
267 * \return GL_TRUE if the image is OK, GL_FALSE if too large
269 GLboolean (*TestProxyTexImage
)(struct gl_context
*ctx
, GLenum target
,
270 GLint level
, gl_format format
,
271 GLint width
, GLint height
,
272 GLint depth
, GLint border
);
277 * \name Compressed texture functions
282 * Called by glCompressedTexImage[123]D().
284 void (*CompressedTexImage
)(struct gl_context
*ctx
, GLuint dims
,
285 struct gl_texture_image
*texImage
,
286 GLsizei imageSize
, const GLvoid
*data
);
289 * Called by glCompressedTexSubImage[123]D().
291 void (*CompressedTexSubImage
)(struct gl_context
*ctx
, GLuint dims
,
292 struct gl_texture_image
*texImage
,
293 GLint xoffset
, GLint yoffset
, GLint zoffset
,
294 GLsizei width
, GLint height
, GLint depth
,
296 GLsizei imageSize
, const GLvoid
*data
);
299 * Called by glGetCompressedTexImage.
301 void (*GetCompressedTexImage
)(struct gl_context
*ctx
,
302 struct gl_texture_image
*texImage
,
307 * \name Texture object / image functions
312 * Called by glBindTexture().
314 void (*BindTexture
)( struct gl_context
*ctx
, GLenum target
,
315 struct gl_texture_object
*tObj
);
318 * Called to allocate a new texture object. Drivers will usually
319 * allocate/return a subclass of gl_texture_object.
321 struct gl_texture_object
* (*NewTextureObject
)(struct gl_context
*ctx
,
322 GLuint name
, GLenum target
);
324 * Called to delete/free a texture object. Drivers should free the
325 * object and any image data it contains.
327 void (*DeleteTexture
)(struct gl_context
*ctx
,
328 struct gl_texture_object
*texObj
);
330 /** Called to allocate a new texture image object. */
331 struct gl_texture_image
* (*NewTextureImage
)(struct gl_context
*ctx
);
333 /** Called to free a texture image object returned by NewTextureImage() */
334 void (*DeleteTextureImage
)(struct gl_context
*ctx
,
335 struct gl_texture_image
*);
337 /** Called to allocate memory for a single texture image */
338 GLboolean (*AllocTextureImageBuffer
)(struct gl_context
*ctx
,
339 struct gl_texture_image
*texImage
);
341 /** Free the memory for a single texture image */
342 void (*FreeTextureImageBuffer
)(struct gl_context
*ctx
,
343 struct gl_texture_image
*texImage
);
345 /** Map a slice of a texture image into user space.
346 * Note: for GL_TEXTURE_1D_ARRAY, height must be 1, y must be 0 and slice
347 * indicates the 1D array index.
348 * \param texImage the texture image
349 * \param slice the 3D image slice or array texture slice
350 * \param x, y, w, h region of interest
351 * \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and
352 * GL_MAP_INVALIDATE_RANGE_BIT (if writing)
353 * \param mapOut returns start of mapping of region of interest
354 * \param rowStrideOut returns row stride (in bytes). In the case of a
355 * compressed texture, this is the byte stride between one row of blocks
358 void (*MapTextureImage
)(struct gl_context
*ctx
,
359 struct gl_texture_image
*texImage
,
361 GLuint x
, GLuint y
, GLuint w
, GLuint h
,
363 GLubyte
**mapOut
, GLint
*rowStrideOut
);
365 void (*UnmapTextureImage
)(struct gl_context
*ctx
,
366 struct gl_texture_image
*texImage
,
369 /** For GL_ARB_texture_storage. Allocate memory for whole mipmap stack.
370 * All the gl_texture_images in the texture object will have their
371 * dimensions, format, etc. initialized already.
373 GLboolean (*AllocTextureStorage
)(struct gl_context
*ctx
,
374 struct gl_texture_object
*texObj
,
375 GLsizei levels
, GLsizei width
,
376 GLsizei height
, GLsizei depth
);
379 * Map a renderbuffer into user space.
380 * \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and
381 * GL_MAP_INVALIDATE_RANGE_BIT (if writing)
383 void (*MapRenderbuffer
)(struct gl_context
*ctx
,
384 struct gl_renderbuffer
*rb
,
385 GLuint x
, GLuint y
, GLuint w
, GLuint h
,
387 GLubyte
**mapOut
, GLint
*rowStrideOut
);
389 void (*UnmapRenderbuffer
)(struct gl_context
*ctx
,
390 struct gl_renderbuffer
*rb
);
396 * \name Vertex/fragment program functions
399 /** Bind a vertex/fragment program */
400 void (*BindProgram
)(struct gl_context
*ctx
, GLenum target
, struct gl_program
*prog
);
401 /** Allocate a new program */
402 struct gl_program
* (*NewProgram
)(struct gl_context
*ctx
, GLenum target
, GLuint id
);
403 /** Delete a program */
404 void (*DeleteProgram
)(struct gl_context
*ctx
, struct gl_program
*prog
);
406 * Notify driver that a program string (and GPU code) has been specified
407 * or modified. Return GL_TRUE or GL_FALSE to indicate if the program is
408 * supported by the driver.
410 GLboolean (*ProgramStringNotify
)(struct gl_context
*ctx
, GLenum target
,
411 struct gl_program
*prog
);
414 * Notify driver that the sampler uniforms for the current program have
415 * changed. On some drivers, this may require shader recompiles.
417 void (*SamplerUniformChange
)(struct gl_context
*ctx
, GLenum target
,
418 struct gl_program
*prog
);
420 /** Query if program can be loaded onto hardware */
421 GLboolean (*IsProgramNative
)(struct gl_context
*ctx
, GLenum target
,
422 struct gl_program
*prog
);
427 * \name GLSL shader/program functions.
431 * Called when a shader program is linked.
433 * This gives drivers an opportunity to clone the IR and make their
434 * own transformations on it for the purposes of code generation.
436 GLboolean (*LinkShader
)(struct gl_context
*ctx
, struct gl_shader_program
*shader
);
440 * \name State-changing functions.
442 * \note drawing functions are above.
444 * These functions are called by their corresponding OpenGL API functions.
445 * They are \e also called by the gl_PopAttrib() function!!!
446 * May add more functions like these to the device driver in the future.
449 /** Specify the alpha test function */
450 void (*AlphaFunc
)(struct gl_context
*ctx
, GLenum func
, GLfloat ref
);
451 /** Set the blend color */
452 void (*BlendColor
)(struct gl_context
*ctx
, const GLfloat color
[4]);
453 /** Set the blend equation */
454 void (*BlendEquationSeparate
)(struct gl_context
*ctx
, GLenum modeRGB
, GLenum modeA
);
455 void (*BlendEquationSeparatei
)(struct gl_context
*ctx
, GLuint buffer
,
456 GLenum modeRGB
, GLenum modeA
);
457 /** Specify pixel arithmetic */
458 void (*BlendFuncSeparate
)(struct gl_context
*ctx
,
459 GLenum sfactorRGB
, GLenum dfactorRGB
,
460 GLenum sfactorA
, GLenum dfactorA
);
461 void (*BlendFuncSeparatei
)(struct gl_context
*ctx
, GLuint buffer
,
462 GLenum sfactorRGB
, GLenum dfactorRGB
,
463 GLenum sfactorA
, GLenum dfactorA
);
464 /** Specify a plane against which all geometry is clipped */
465 void (*ClipPlane
)(struct gl_context
*ctx
, GLenum plane
, const GLfloat
*equation
);
466 /** Enable and disable writing of frame buffer color components */
467 void (*ColorMask
)(struct gl_context
*ctx
, GLboolean rmask
, GLboolean gmask
,
468 GLboolean bmask
, GLboolean amask
);
469 void (*ColorMaskIndexed
)(struct gl_context
*ctx
, GLuint buf
, GLboolean rmask
,
470 GLboolean gmask
, GLboolean bmask
, GLboolean amask
);
471 /** Cause a material color to track the current color */
472 void (*ColorMaterial
)(struct gl_context
*ctx
, GLenum face
, GLenum mode
);
473 /** Specify whether front- or back-facing facets can be culled */
474 void (*CullFace
)(struct gl_context
*ctx
, GLenum mode
);
475 /** Define front- and back-facing polygons */
476 void (*FrontFace
)(struct gl_context
*ctx
, GLenum mode
);
477 /** Specify the value used for depth buffer comparisons */
478 void (*DepthFunc
)(struct gl_context
*ctx
, GLenum func
);
479 /** Enable or disable writing into the depth buffer */
480 void (*DepthMask
)(struct gl_context
*ctx
, GLboolean flag
);
481 /** Specify mapping of depth values from NDC to window coordinates */
482 void (*DepthRange
)(struct gl_context
*ctx
, GLclampd nearval
, GLclampd farval
);
483 /** Specify the current buffer for writing */
484 void (*DrawBuffer
)( struct gl_context
*ctx
, GLenum buffer
);
485 /** Specify the buffers for writing for fragment programs*/
486 void (*DrawBuffers
)( struct gl_context
*ctx
, GLsizei n
, const GLenum
*buffers
);
487 /** Enable or disable server-side gl capabilities */
488 void (*Enable
)(struct gl_context
*ctx
, GLenum cap
, GLboolean state
);
489 /** Specify fog parameters */
490 void (*Fogfv
)(struct gl_context
*ctx
, GLenum pname
, const GLfloat
*params
);
491 /** Specify implementation-specific hints */
492 void (*Hint
)(struct gl_context
*ctx
, GLenum target
, GLenum mode
);
493 /** Set light source parameters.
494 * Note: for GL_POSITION and GL_SPOT_DIRECTION, params will have already
495 * been transformed to eye-space.
497 void (*Lightfv
)(struct gl_context
*ctx
, GLenum light
,
498 GLenum pname
, const GLfloat
*params
);
499 /** Set the lighting model parameters */
500 void (*LightModelfv
)(struct gl_context
*ctx
, GLenum pname
, const GLfloat
*params
);
501 /** Specify the line stipple pattern */
502 void (*LineStipple
)(struct gl_context
*ctx
, GLint factor
, GLushort pattern
);
503 /** Specify the width of rasterized lines */
504 void (*LineWidth
)(struct gl_context
*ctx
, GLfloat width
);
505 /** Specify a logical pixel operation for color index rendering */
506 void (*LogicOpcode
)(struct gl_context
*ctx
, GLenum opcode
);
507 void (*PointParameterfv
)(struct gl_context
*ctx
, GLenum pname
,
508 const GLfloat
*params
);
509 /** Specify the diameter of rasterized points */
510 void (*PointSize
)(struct gl_context
*ctx
, GLfloat size
);
511 /** Select a polygon rasterization mode */
512 void (*PolygonMode
)(struct gl_context
*ctx
, GLenum face
, GLenum mode
);
513 /** Set the scale and units used to calculate depth values */
514 void (*PolygonOffset
)(struct gl_context
*ctx
, GLfloat factor
, GLfloat units
);
515 /** Set the polygon stippling pattern */
516 void (*PolygonStipple
)(struct gl_context
*ctx
, const GLubyte
*mask
);
517 /* Specifies the current buffer for reading */
518 void (*ReadBuffer
)( struct gl_context
*ctx
, GLenum buffer
);
519 /** Set rasterization mode */
520 void (*RenderMode
)(struct gl_context
*ctx
, GLenum mode
);
521 /** Define the scissor box */
522 void (*Scissor
)(struct gl_context
*ctx
, GLint x
, GLint y
, GLsizei w
, GLsizei h
);
523 /** Select flat or smooth shading */
524 void (*ShadeModel
)(struct gl_context
*ctx
, GLenum mode
);
525 /** OpenGL 2.0 two-sided StencilFunc */
526 void (*StencilFuncSeparate
)(struct gl_context
*ctx
, GLenum face
, GLenum func
,
527 GLint ref
, GLuint mask
);
528 /** OpenGL 2.0 two-sided StencilMask */
529 void (*StencilMaskSeparate
)(struct gl_context
*ctx
, GLenum face
, GLuint mask
);
530 /** OpenGL 2.0 two-sided StencilOp */
531 void (*StencilOpSeparate
)(struct gl_context
*ctx
, GLenum face
, GLenum fail
,
532 GLenum zfail
, GLenum zpass
);
533 /** Control the generation of texture coordinates */
534 void (*TexGen
)(struct gl_context
*ctx
, GLenum coord
, GLenum pname
,
535 const GLfloat
*params
);
536 /** Set texture environment parameters */
537 void (*TexEnv
)(struct gl_context
*ctx
, GLenum target
, GLenum pname
,
538 const GLfloat
*param
);
539 /** Set texture parameters */
540 void (*TexParameter
)(struct gl_context
*ctx
, GLenum target
,
541 struct gl_texture_object
*texObj
,
542 GLenum pname
, const GLfloat
*params
);
543 /** Set the viewport */
544 void (*Viewport
)(struct gl_context
*ctx
, GLint x
, GLint y
, GLsizei w
, GLsizei h
);
549 * \name Vertex/pixel buffer object functions
552 void (*BindBuffer
)( struct gl_context
*ctx
, GLenum target
,
553 struct gl_buffer_object
*obj
);
555 struct gl_buffer_object
* (*NewBufferObject
)( struct gl_context
*ctx
, GLuint buffer
,
558 void (*DeleteBuffer
)( struct gl_context
*ctx
, struct gl_buffer_object
*obj
);
560 GLboolean (*BufferData
)( struct gl_context
*ctx
, GLenum target
, GLsizeiptrARB size
,
561 const GLvoid
*data
, GLenum usage
,
562 struct gl_buffer_object
*obj
);
564 void (*BufferSubData
)( struct gl_context
*ctx
, GLintptrARB offset
,
565 GLsizeiptrARB size
, const GLvoid
*data
,
566 struct gl_buffer_object
*obj
);
568 void (*GetBufferSubData
)( struct gl_context
*ctx
,
569 GLintptrARB offset
, GLsizeiptrARB size
,
570 GLvoid
*data
, struct gl_buffer_object
*obj
);
572 void (*CopyBufferSubData
)( struct gl_context
*ctx
,
573 struct gl_buffer_object
*src
,
574 struct gl_buffer_object
*dst
,
575 GLintptr readOffset
, GLintptr writeOffset
,
578 /* May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
580 void * (*MapBufferRange
)( struct gl_context
*ctx
, GLintptr offset
,
581 GLsizeiptr length
, GLbitfield access
,
582 struct gl_buffer_object
*obj
);
584 void (*FlushMappedBufferRange
)(struct gl_context
*ctx
,
585 GLintptr offset
, GLsizeiptr length
,
586 struct gl_buffer_object
*obj
);
588 GLboolean (*UnmapBuffer
)( struct gl_context
*ctx
,
589 struct gl_buffer_object
*obj
);
593 * \name Functions for GL_APPLE_object_purgeable
596 /* variations on ObjectPurgeable */
597 GLenum (*BufferObjectPurgeable
)( struct gl_context
*ctx
, struct gl_buffer_object
*obj
, GLenum option
);
598 GLenum (*RenderObjectPurgeable
)( struct gl_context
*ctx
, struct gl_renderbuffer
*obj
, GLenum option
);
599 GLenum (*TextureObjectPurgeable
)( struct gl_context
*ctx
, struct gl_texture_object
*obj
, GLenum option
);
601 /* variations on ObjectUnpurgeable */
602 GLenum (*BufferObjectUnpurgeable
)( struct gl_context
*ctx
, struct gl_buffer_object
*obj
, GLenum option
);
603 GLenum (*RenderObjectUnpurgeable
)( struct gl_context
*ctx
, struct gl_renderbuffer
*obj
, GLenum option
);
604 GLenum (*TextureObjectUnpurgeable
)( struct gl_context
*ctx
, struct gl_texture_object
*obj
, GLenum option
);
608 * \name Functions for GL_EXT_framebuffer_{object,blit,discard}.
611 struct gl_framebuffer
* (*NewFramebuffer
)(struct gl_context
*ctx
, GLuint name
);
612 struct gl_renderbuffer
* (*NewRenderbuffer
)(struct gl_context
*ctx
, GLuint name
);
613 void (*BindFramebuffer
)(struct gl_context
*ctx
, GLenum target
,
614 struct gl_framebuffer
*drawFb
,
615 struct gl_framebuffer
*readFb
);
616 void (*FramebufferRenderbuffer
)(struct gl_context
*ctx
,
617 struct gl_framebuffer
*fb
,
619 struct gl_renderbuffer
*rb
);
620 void (*RenderTexture
)(struct gl_context
*ctx
,
621 struct gl_framebuffer
*fb
,
622 struct gl_renderbuffer_attachment
*att
);
623 void (*FinishRenderTexture
)(struct gl_context
*ctx
,
624 struct gl_renderbuffer
*rb
);
625 void (*ValidateFramebuffer
)(struct gl_context
*ctx
,
626 struct gl_framebuffer
*fb
);
628 void (*BlitFramebuffer
)(struct gl_context
*ctx
,
629 GLint srcX0
, GLint srcY0
, GLint srcX1
, GLint srcY1
,
630 GLint dstX0
, GLint dstY0
, GLint dstX1
, GLint dstY1
,
631 GLbitfield mask
, GLenum filter
);
632 void (*DiscardFramebuffer
)(struct gl_context
*ctx
,
633 GLenum target
, GLsizei numAttachments
, const GLenum
*attachments
);
636 * \name Query objects
639 struct gl_query_object
* (*NewQueryObject
)(struct gl_context
*ctx
, GLuint id
);
640 void (*DeleteQuery
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
641 void (*BeginQuery
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
642 void (*QueryCounter
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
643 void (*EndQuery
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
644 void (*CheckQuery
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
645 void (*WaitQuery
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
650 * \name Vertex Array objects
653 struct gl_array_object
* (*NewArrayObject
)(struct gl_context
*ctx
, GLuint id
);
654 void (*DeleteArrayObject
)(struct gl_context
*ctx
, struct gl_array_object
*obj
);
655 void (*BindArrayObject
)(struct gl_context
*ctx
, struct gl_array_object
*obj
);
659 * \name GLSL-related functions (ARB extensions and OpenGL 2.x)
662 struct gl_shader
*(*NewShader
)(struct gl_context
*ctx
, GLuint name
, GLenum type
);
663 void (*DeleteShader
)(struct gl_context
*ctx
, struct gl_shader
*shader
);
664 struct gl_shader_program
*(*NewShaderProgram
)(struct gl_context
*ctx
, GLuint name
);
665 void (*DeleteShaderProgram
)(struct gl_context
*ctx
,
666 struct gl_shader_program
*shProg
);
667 void (*UseProgram
)(struct gl_context
*ctx
, struct gl_shader_program
*shProg
);
672 * \name Support for multiple T&L engines
677 * Set by the driver-supplied T&L engine.
679 * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd().
681 GLuint CurrentExecPrimitive
;
684 * Current glBegin state of an in-progress compilation. May be
685 * GL_POINTS, GL_TRIANGLE_STRIP, etc. or PRIM_OUTSIDE_BEGIN_END
688 GLuint CurrentSavePrimitive
;
691 #define FLUSH_STORED_VERTICES 0x1
692 #define FLUSH_UPDATE_CURRENT 0x2
694 * Set by the driver-supplied T&L engine whenever vertices are buffered
695 * between glBegin()/glEnd() objects or __struct gl_contextRec::Current
696 * is not updated. A bitmask of the FLUSH_x values above.
698 * The dd_function_table::FlushVertices call below may be used to resolve
701 GLbitfield NeedFlush
;
703 /** Need to call SaveFlushVertices() upon state change? */
704 GLboolean SaveNeedFlush
;
706 /* Called prior to any of the GLvertexformat functions being
707 * called. Paired with Driver.FlushVertices().
709 void (*BeginVertices
)( struct gl_context
*ctx
);
712 * If inside glBegin()/glEnd(), it should ASSERT(0). Otherwise, if
713 * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
714 * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
715 * __struct gl_contextRec::Current and gl_light_attrib::Material
717 * Note that the default T&L engine never clears the
718 * FLUSH_UPDATE_CURRENT bit, even after performing the update.
720 void (*FlushVertices
)( struct gl_context
*ctx
, GLuint flags
);
721 void (*SaveFlushVertices
)( struct gl_context
*ctx
);
724 * Give the driver the opportunity to hook in its own vtxfmt for
725 * compiling optimized display lists. This is called on each valid
726 * glBegin() during list compilation.
728 GLboolean (*NotifySaveBegin
)( struct gl_context
*ctx
, GLenum mode
);
731 * Notify driver that the special derived value _NeedEyeCoords has
734 void (*LightingSpaceChange
)( struct gl_context
*ctx
);
737 * Called by glNewList().
739 * Let the T&L component know what is going on with display lists
740 * in time to make changes to dispatch tables, etc.
742 void (*NewList
)( struct gl_context
*ctx
, GLuint list
, GLenum mode
);
744 * Called by glEndList().
746 * \sa dd_function_table::NewList.
748 void (*EndList
)( struct gl_context
*ctx
);
751 * Called by glCallList(s).
753 * Notify the T&L component before and after calling a display list.
755 void (*BeginCallList
)( struct gl_context
*ctx
,
756 struct gl_display_list
*dlist
);
758 * Called by glEndCallList().
760 * \sa dd_function_table::BeginCallList.
762 void (*EndCallList
)( struct gl_context
*ctx
);
767 * \name GL_ARB_sync interfaces
770 struct gl_sync_object
* (*NewSyncObject
)(struct gl_context
*, GLenum
);
771 void (*FenceSync
)(struct gl_context
*, struct gl_sync_object
*, GLenum
, GLbitfield
);
772 void (*DeleteSyncObject
)(struct gl_context
*, struct gl_sync_object
*);
773 void (*CheckSync
)(struct gl_context
*, struct gl_sync_object
*);
774 void (*ClientWaitSync
)(struct gl_context
*, struct gl_sync_object
*,
775 GLbitfield
, GLuint64
);
776 void (*ServerWaitSync
)(struct gl_context
*, struct gl_sync_object
*,
777 GLbitfield
, GLuint64
);
780 /** GL_NV_conditional_render */
781 void (*BeginConditionalRender
)(struct gl_context
*ctx
, struct gl_query_object
*q
,
783 void (*EndConditionalRender
)(struct gl_context
*ctx
, struct gl_query_object
*q
);
786 * \name GL_OES_draw_texture interface
789 void (*DrawTex
)(struct gl_context
*ctx
, GLfloat x
, GLfloat y
, GLfloat z
,
790 GLfloat width
, GLfloat height
);
794 * \name GL_OES_EGL_image interface
796 void (*EGLImageTargetTexture2D
)(struct gl_context
*ctx
, GLenum target
,
797 struct gl_texture_object
*texObj
,
798 struct gl_texture_image
*texImage
,
799 GLeglImageOES image_handle
);
800 void (*EGLImageTargetRenderbufferStorage
)(struct gl_context
*ctx
,
801 struct gl_renderbuffer
*rb
,
805 * \name GL_EXT_transform_feedback interface
807 struct gl_transform_feedback_object
*
808 (*NewTransformFeedback
)(struct gl_context
*ctx
, GLuint name
);
809 void (*DeleteTransformFeedback
)(struct gl_context
*ctx
,
810 struct gl_transform_feedback_object
*obj
);
811 void (*BeginTransformFeedback
)(struct gl_context
*ctx
, GLenum mode
,
812 struct gl_transform_feedback_object
*obj
);
813 void (*EndTransformFeedback
)(struct gl_context
*ctx
,
814 struct gl_transform_feedback_object
*obj
);
815 void (*PauseTransformFeedback
)(struct gl_context
*ctx
,
816 struct gl_transform_feedback_object
*obj
);
817 void (*ResumeTransformFeedback
)(struct gl_context
*ctx
,
818 struct gl_transform_feedback_object
*obj
);
821 * \name GL_NV_texture_barrier interface
823 void (*TextureBarrier
)(struct gl_context
*ctx
);
826 * \name GL_ARB_sampler_objects
828 struct gl_sampler_object
* (*NewSamplerObject
)(struct gl_context
*ctx
,
830 void (*DeleteSamplerObject
)(struct gl_context
*ctx
,
831 struct gl_sampler_object
*samp
);
834 * \name Return a timestamp in nanoseconds as defined by GL_ARB_timer_query.
835 * This should be equivalent to glGetInteger64v(GL_TIMESTAMP);
837 uint64_t (*GetTimestamp
)(struct gl_context
*ctx
);
840 * \name GL_ARB_texture_multisample
842 void (*GetSamplePosition
)(struct gl_context
*ctx
,
843 struct gl_framebuffer
*fb
,
850 * Per-vertex functions.
852 * These are the functions which can appear between glBegin and glEnd.
853 * Depending on whether we're inside or outside a glBegin/End pair
854 * and whether we're in immediate mode or building a display list, these
855 * functions behave differently. This structure allows us to switch
856 * between those modes more easily.
858 * Generally, these pointers point to functions in the VBO module.
861 void (GLAPIENTRYP ArrayElement
)( GLint
);
862 void (GLAPIENTRYP Color3f
)( GLfloat
, GLfloat
, GLfloat
);
863 void (GLAPIENTRYP Color3fv
)( const GLfloat
* );
864 void (GLAPIENTRYP Color4f
)( GLfloat
, GLfloat
, GLfloat
, GLfloat
);
865 void (GLAPIENTRYP Color4fv
)( const GLfloat
* );
866 void (GLAPIENTRYP EdgeFlag
)( GLboolean
);
867 void (GLAPIENTRYP EvalCoord1f
)( GLfloat
);
868 void (GLAPIENTRYP EvalCoord1fv
)( const GLfloat
* );
869 void (GLAPIENTRYP EvalCoord2f
)( GLfloat
, GLfloat
);
870 void (GLAPIENTRYP EvalCoord2fv
)( const GLfloat
* );
871 void (GLAPIENTRYP EvalPoint1
)( GLint
);
872 void (GLAPIENTRYP EvalPoint2
)( GLint
, GLint
);
873 void (GLAPIENTRYP FogCoordfEXT
)( GLfloat
);
874 void (GLAPIENTRYP FogCoordfvEXT
)( const GLfloat
* );
875 void (GLAPIENTRYP Indexf
)( GLfloat
);
876 void (GLAPIENTRYP Indexfv
)( const GLfloat
* );
877 void (GLAPIENTRYP Materialfv
)( GLenum face
, GLenum pname
, const GLfloat
* );
878 void (GLAPIENTRYP MultiTexCoord1fARB
)( GLenum
, GLfloat
);
879 void (GLAPIENTRYP MultiTexCoord1fvARB
)( GLenum
, const GLfloat
* );
880 void (GLAPIENTRYP MultiTexCoord2fARB
)( GLenum
, GLfloat
, GLfloat
);
881 void (GLAPIENTRYP MultiTexCoord2fvARB
)( GLenum
, const GLfloat
* );
882 void (GLAPIENTRYP MultiTexCoord3fARB
)( GLenum
, GLfloat
, GLfloat
, GLfloat
);
883 void (GLAPIENTRYP MultiTexCoord3fvARB
)( GLenum
, const GLfloat
* );
884 void (GLAPIENTRYP MultiTexCoord4fARB
)( GLenum
, GLfloat
, GLfloat
, GLfloat
, GLfloat
);
885 void (GLAPIENTRYP MultiTexCoord4fvARB
)( GLenum
, const GLfloat
* );
886 void (GLAPIENTRYP Normal3f
)( GLfloat
, GLfloat
, GLfloat
);
887 void (GLAPIENTRYP Normal3fv
)( const GLfloat
* );
888 void (GLAPIENTRYP SecondaryColor3fEXT
)( GLfloat
, GLfloat
, GLfloat
);
889 void (GLAPIENTRYP SecondaryColor3fvEXT
)( const GLfloat
* );
890 void (GLAPIENTRYP TexCoord1f
)( GLfloat
);
891 void (GLAPIENTRYP TexCoord1fv
)( const GLfloat
* );
892 void (GLAPIENTRYP TexCoord2f
)( GLfloat
, GLfloat
);
893 void (GLAPIENTRYP TexCoord2fv
)( const GLfloat
* );
894 void (GLAPIENTRYP TexCoord3f
)( GLfloat
, GLfloat
, GLfloat
);
895 void (GLAPIENTRYP TexCoord3fv
)( const GLfloat
* );
896 void (GLAPIENTRYP TexCoord4f
)( GLfloat
, GLfloat
, GLfloat
, GLfloat
);
897 void (GLAPIENTRYP TexCoord4fv
)( const GLfloat
* );
898 void (GLAPIENTRYP Vertex2f
)( GLfloat
, GLfloat
);
899 void (GLAPIENTRYP Vertex2fv
)( const GLfloat
* );
900 void (GLAPIENTRYP Vertex3f
)( GLfloat
, GLfloat
, GLfloat
);
901 void (GLAPIENTRYP Vertex3fv
)( const GLfloat
* );
902 void (GLAPIENTRYP Vertex4f
)( GLfloat
, GLfloat
, GLfloat
, GLfloat
);
903 void (GLAPIENTRYP Vertex4fv
)( const GLfloat
* );
904 void (GLAPIENTRYP CallList
)( GLuint
);
905 void (GLAPIENTRYP CallLists
)( GLsizei
, GLenum
, const GLvoid
* );
906 void (GLAPIENTRYP Begin
)( GLenum
);
907 void (GLAPIENTRYP End
)( void );
908 void (GLAPIENTRYP PrimitiveRestartNV
)( void );
909 /* Originally for GL_NV_vertex_program, now used only dlist.c and friends */
910 void (GLAPIENTRYP VertexAttrib1fNV
)( GLuint index
, GLfloat x
);
911 void (GLAPIENTRYP VertexAttrib1fvNV
)( GLuint index
, const GLfloat
*v
);
912 void (GLAPIENTRYP VertexAttrib2fNV
)( GLuint index
, GLfloat x
, GLfloat y
);
913 void (GLAPIENTRYP VertexAttrib2fvNV
)( GLuint index
, const GLfloat
*v
);
914 void (GLAPIENTRYP VertexAttrib3fNV
)( GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
);
915 void (GLAPIENTRYP VertexAttrib3fvNV
)( GLuint index
, const GLfloat
*v
);
916 void (GLAPIENTRYP VertexAttrib4fNV
)( GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
);
917 void (GLAPIENTRYP VertexAttrib4fvNV
)( GLuint index
, const GLfloat
*v
);
918 /* GL_ARB_vertex_program */
919 void (GLAPIENTRYP VertexAttrib1fARB
)( GLuint index
, GLfloat x
);
920 void (GLAPIENTRYP VertexAttrib1fvARB
)( GLuint index
, const GLfloat
*v
);
921 void (GLAPIENTRYP VertexAttrib2fARB
)( GLuint index
, GLfloat x
, GLfloat y
);
922 void (GLAPIENTRYP VertexAttrib2fvARB
)( GLuint index
, const GLfloat
*v
);
923 void (GLAPIENTRYP VertexAttrib3fARB
)( GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
);
924 void (GLAPIENTRYP VertexAttrib3fvARB
)( GLuint index
, const GLfloat
*v
);
925 void (GLAPIENTRYP VertexAttrib4fARB
)( GLuint index
, GLfloat x
, GLfloat y
, GLfloat z
, GLfloat w
);
926 void (GLAPIENTRYP VertexAttrib4fvARB
)( GLuint index
, const GLfloat
*v
);
928 /* GL_EXT_gpu_shader4 / GL 3.0 */
929 void (GLAPIENTRYP VertexAttribI1i
)( GLuint index
, GLint x
);
930 void (GLAPIENTRYP VertexAttribI2i
)( GLuint index
, GLint x
, GLint y
);
931 void (GLAPIENTRYP VertexAttribI3i
)( GLuint index
, GLint x
, GLint y
, GLint z
);
932 void (GLAPIENTRYP VertexAttribI4i
)( GLuint index
, GLint x
, GLint y
, GLint z
, GLint w
);
933 void (GLAPIENTRYP VertexAttribI2iv
)( GLuint index
, const GLint
*v
);
934 void (GLAPIENTRYP VertexAttribI3iv
)( GLuint index
, const GLint
*v
);
935 void (GLAPIENTRYP VertexAttribI4iv
)( GLuint index
, const GLint
*v
);
937 void (GLAPIENTRYP VertexAttribI1ui
)( GLuint index
, GLuint x
);
938 void (GLAPIENTRYP VertexAttribI2ui
)( GLuint index
, GLuint x
, GLuint y
);
939 void (GLAPIENTRYP VertexAttribI3ui
)( GLuint index
, GLuint x
, GLuint y
, GLuint z
);
940 void (GLAPIENTRYP VertexAttribI4ui
)( GLuint index
, GLuint x
, GLuint y
, GLuint z
, GLuint w
);
941 void (GLAPIENTRYP VertexAttribI2uiv
)( GLuint index
, const GLuint
*v
);
942 void (GLAPIENTRYP VertexAttribI3uiv
)( GLuint index
, const GLuint
*v
);
943 void (GLAPIENTRYP VertexAttribI4uiv
)( GLuint index
, const GLuint
*v
);
945 /* GL_ARB_vertex_type_10_10_10_2_rev / GL3.3 */
946 void (GLAPIENTRYP VertexP2ui
)( GLenum type
, GLuint value
);
947 void (GLAPIENTRYP VertexP2uiv
)( GLenum type
, const GLuint
*value
);
949 void (GLAPIENTRYP VertexP3ui
)( GLenum type
, GLuint value
);
950 void (GLAPIENTRYP VertexP3uiv
)( GLenum type
, const GLuint
*value
);
952 void (GLAPIENTRYP VertexP4ui
)( GLenum type
, GLuint value
);
953 void (GLAPIENTRYP VertexP4uiv
)( GLenum type
, const GLuint
*value
);
955 void (GLAPIENTRYP TexCoordP1ui
)( GLenum type
, GLuint coords
);
956 void (GLAPIENTRYP TexCoordP1uiv
)( GLenum type
, const GLuint
*coords
);
958 void (GLAPIENTRYP TexCoordP2ui
)( GLenum type
, GLuint coords
);
959 void (GLAPIENTRYP TexCoordP2uiv
)( GLenum type
, const GLuint
*coords
);
961 void (GLAPIENTRYP TexCoordP3ui
)( GLenum type
, GLuint coords
);
962 void (GLAPIENTRYP TexCoordP3uiv
)( GLenum type
, const GLuint
*coords
);
964 void (GLAPIENTRYP TexCoordP4ui
)( GLenum type
, GLuint coords
);
965 void (GLAPIENTRYP TexCoordP4uiv
)( GLenum type
, const GLuint
*coords
);
967 void (GLAPIENTRYP MultiTexCoordP1ui
)( GLenum texture
, GLenum type
, GLuint coords
);
968 void (GLAPIENTRYP MultiTexCoordP1uiv
)( GLenum texture
, GLenum type
, const GLuint
*coords
);
969 void (GLAPIENTRYP MultiTexCoordP2ui
)( GLenum texture
, GLenum type
, GLuint coords
);
970 void (GLAPIENTRYP MultiTexCoordP2uiv
)( GLenum texture
, GLenum type
, const GLuint
*coords
);
971 void (GLAPIENTRYP MultiTexCoordP3ui
)( GLenum texture
, GLenum type
, GLuint coords
);
972 void (GLAPIENTRYP MultiTexCoordP3uiv
)( GLenum texture
, GLenum type
, const GLuint
*coords
);
973 void (GLAPIENTRYP MultiTexCoordP4ui
)( GLenum texture
, GLenum type
, GLuint coords
);
974 void (GLAPIENTRYP MultiTexCoordP4uiv
)( GLenum texture
, GLenum type
, const GLuint
*coords
);
976 void (GLAPIENTRYP NormalP3ui
)( GLenum type
, GLuint coords
);
977 void (GLAPIENTRYP NormalP3uiv
)( GLenum type
, const GLuint
*coords
);
979 void (GLAPIENTRYP ColorP3ui
)( GLenum type
, GLuint color
);
980 void (GLAPIENTRYP ColorP3uiv
)( GLenum type
, const GLuint
*color
);
982 void (GLAPIENTRYP ColorP4ui
)( GLenum type
, GLuint color
);
983 void (GLAPIENTRYP ColorP4uiv
)( GLenum type
, const GLuint
*color
);
985 void (GLAPIENTRYP SecondaryColorP3ui
)( GLenum type
, GLuint color
);
986 void (GLAPIENTRYP SecondaryColorP3uiv
)( GLenum type
, const GLuint
*color
);
988 void (GLAPIENTRYP VertexAttribP1ui
)( GLuint index
, GLenum type
,
989 GLboolean normalized
, GLuint value
);
990 void (GLAPIENTRYP VertexAttribP2ui
)( GLuint index
, GLenum type
,
991 GLboolean normalized
, GLuint value
);
992 void (GLAPIENTRYP VertexAttribP3ui
)( GLuint index
, GLenum type
,
993 GLboolean normalized
, GLuint value
);
994 void (GLAPIENTRYP VertexAttribP4ui
)( GLuint index
, GLenum type
,
995 GLboolean normalized
, GLuint value
);
996 void (GLAPIENTRYP VertexAttribP1uiv
)( GLuint index
, GLenum type
,
997 GLboolean normalized
,
998 const GLuint
*value
);
999 void (GLAPIENTRYP VertexAttribP2uiv
)( GLuint index
, GLenum type
,
1000 GLboolean normalized
,
1001 const GLuint
*value
);
1002 void (GLAPIENTRYP VertexAttribP3uiv
)( GLuint index
, GLenum type
,
1003 GLboolean normalized
,
1004 const GLuint
*value
);
1005 void (GLAPIENTRYP VertexAttribP4uiv
)( GLuint index
, GLenum type
,
1006 GLboolean normalized
,
1007 const GLuint
*value
);
1011 #endif /* DD_INCLUDED */