diff options
Diffstat (limited to 'mesalib/src/mesa/main/dd.h')
| -rw-r--r-- | mesalib/src/mesa/main/dd.h | 2397 |
1 files changed, 1196 insertions, 1201 deletions
diff --git a/mesalib/src/mesa/main/dd.h b/mesalib/src/mesa/main/dd.h index 51e757be5..749c30a4c 100644 --- a/mesalib/src/mesa/main/dd.h +++ b/mesalib/src/mesa/main/dd.h @@ -1,1201 +1,1196 @@ -/**
- * \file dd.h
- * Device driver interfaces.
- */
-
-/*
- * Mesa 3-D graphics library
- * Version: 6.5.2
- *
- * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-
-#ifndef DD_INCLUDED
-#define DD_INCLUDED
-
-/* THIS FILE ONLY INCLUDED BY mtypes.h !!!!! */
-
-#include "glheader.h"
-
-struct gl_buffer_object;
-struct gl_context;
-struct gl_display_list;
-struct gl_framebuffer;
-struct gl_pixelstore_attrib;
-struct gl_program;
-struct gl_renderbuffer;
-struct gl_renderbuffer_attachment;
-struct gl_shader;
-struct gl_shader_program;
-struct gl_texture_image;
-struct gl_texture_object;
-
-/* GL_ARB_vertex_buffer_object */
-/* Modifies GL_MAP_UNSYNCHRONIZED_BIT to allow driver to fail (return
- * NULL) if buffer is unavailable for immediate mapping.
- *
- * Does GL_MAP_INVALIDATE_RANGE_BIT do this? It seems so, but it
- * would require more book-keeping in the driver than seems necessary
- * at this point.
- *
- * Does GL_MAP_INVALDIATE_BUFFER_BIT do this? Not really -- we don't
- * want to provoke the driver to throw away the old storage, we will
- * respect the contents of already referenced data.
- */
-#define MESA_MAP_NOWAIT_BIT 0x0040
-
-
-/**
- * Device driver function table.
- * Core Mesa uses these function pointers to call into device drivers.
- * Most of these functions directly correspond to OpenGL state commands.
- * Core Mesa will call these functions after error checking has been done
- * so that the drivers don't have to worry about error testing.
- *
- * Vertex transformation/clipping/lighting is patched into the T&L module.
- * Rasterization functions are patched into the swrast module.
- *
- * Note: when new functions are added here, the drivers/common/driverfuncs.c
- * file should be updated too!!!
- */
-struct dd_function_table {
- /**
- * Return a string as needed by glGetString().
- * Only the GL_RENDERER query must be implemented. Otherwise, NULL can be
- * returned.
- */
- const GLubyte * (*GetString)( struct gl_context *ctx, GLenum name );
-
- /**
- * Notify the driver after Mesa has made some internal state changes.
- *
- * This is in addition to any state change callbacks Mesa may already have
- * made.
- */
- void (*UpdateState)( struct gl_context *ctx, GLbitfield new_state );
-
- /**
- * Get the width and height of the named buffer/window.
- *
- * Mesa uses this to determine when the driver's window size has changed.
- * XXX OBSOLETE: this function will be removed in the future.
- */
- void (*GetBufferSize)( struct gl_framebuffer *buffer,
- GLuint *width, GLuint *height );
-
- /**
- * Resize the given framebuffer to the given size.
- * XXX OBSOLETE: this function will be removed in the future.
- */
- void (*ResizeBuffers)( struct gl_context *ctx, struct gl_framebuffer *fb,
- GLuint width, GLuint height);
-
- /**
- * Called whenever an error is generated.
- * __struct gl_contextRec::ErrorValue contains the error value.
- */
- void (*Error)( struct gl_context *ctx );
-
- /**
- * This is called whenever glFinish() is called.
- */
- void (*Finish)( struct gl_context *ctx );
-
- /**
- * This is called whenever glFlush() is called.
- */
- void (*Flush)( struct gl_context *ctx );
-
- /**
- * Clear the color/depth/stencil/accum buffer(s).
- * \param buffers a bitmask of BUFFER_BIT_* flags indicating which
- * renderbuffers need to be cleared.
- */
- void (*Clear)( struct gl_context *ctx, GLbitfield buffers );
-
- /**
- * Execute glAccum command.
- */
- void (*Accum)( struct gl_context *ctx, GLenum op, GLfloat value );
-
-
- /**
- * Execute glRasterPos, updating the ctx->Current.Raster fields
- */
- void (*RasterPos)( struct gl_context *ctx, const GLfloat v[4] );
-
- /**
- * \name Image-related functions
- */
- /*@{*/
-
- /**
- * Called by glDrawPixels().
- * \p unpack describes how to unpack the source image data.
- */
- void (*DrawPixels)( struct gl_context *ctx,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const struct gl_pixelstore_attrib *unpack,
- const GLvoid *pixels );
-
- /**
- * Called by glReadPixels().
- */
- void (*ReadPixels)( struct gl_context *ctx,
- GLint x, GLint y, GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const struct gl_pixelstore_attrib *unpack,
- GLvoid *dest );
-
- /**
- * Called by glCopyPixels().
- */
- void (*CopyPixels)( struct gl_context *ctx, GLint srcx, GLint srcy,
- GLsizei width, GLsizei height,
- GLint dstx, GLint dsty, GLenum type );
-
- /**
- * Called by glBitmap().
- */
- void (*Bitmap)( struct gl_context *ctx,
- GLint x, GLint y, GLsizei width, GLsizei height,
- const struct gl_pixelstore_attrib *unpack,
- const GLubyte *bitmap );
- /*@}*/
-
-
- /**
- * \name Texture image functions
- */
- /*@{*/
-
- /**
- * Choose texture format.
- *
- * This is called by the \c _mesa_store_tex[sub]image[123]d() fallback
- * functions. The driver should examine \p internalFormat and return a
- * gl_format value.
- */
- GLuint (*ChooseTextureFormat)( struct gl_context *ctx, GLint internalFormat,
- GLenum srcFormat, GLenum srcType );
-
- /**
- * Called by glTexImage1D().
- *
- * \param target user specified.
- * \param format user specified.
- * \param type user specified.
- * \param pixels user specified.
- * \param packing indicates the image packing of pixels.
- * \param texObj is the target texture object.
- * \param texImage is the target texture image. It will have the texture \p
- * width, \p height, \p depth, \p border and \p internalFormat information.
- *
- * \p retainInternalCopy is returned by this function and indicates whether
- * core Mesa should keep an internal copy of the texture image.
- *
- * Drivers should call a fallback routine from texstore.c if needed.
- */
- void (*TexImage1D)( struct gl_context *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
-
- /**
- * Called by glTexImage2D().
- *
- * \sa dd_function_table::TexImage1D.
- */
- void (*TexImage2D)( struct gl_context *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
-
- /**
- * Called by glTexImage3D().
- *
- * \sa dd_function_table::TexImage1D.
- */
- void (*TexImage3D)( struct gl_context *ctx, GLenum target, GLint level,
- GLint internalFormat,
- GLint width, GLint height, GLint depth, GLint border,
- GLenum format, GLenum type, const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
-
- /**
- * Called by glTexSubImage1D().
- *
- * \param target user specified.
- * \param level user specified.
- * \param xoffset user specified.
- * \param yoffset user specified.
- * \param zoffset user specified.
- * \param width user specified.
- * \param height user specified.
- * \param depth user specified.
- * \param format user specified.
- * \param type user specified.
- * \param pixels user specified.
- * \param packing indicates the image packing of pixels.
- * \param texObj is the target texture object.
- * \param texImage is the target texture image. It will have the texture \p
- * width, \p height, \p border and \p internalFormat information.
- *
- * The driver should use a fallback routine from texstore.c if needed.
- */
- void (*TexSubImage1D)( struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLsizei width,
- GLenum format, GLenum type,
- const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
-
- /**
- * Called by glTexSubImage2D().
- *
- * \sa dd_function_table::TexSubImage1D.
- */
- void (*TexSubImage2D)( struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLsizei height,
- GLenum format, GLenum type,
- const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
-
- /**
- * Called by glTexSubImage3D().
- *
- * \sa dd_function_table::TexSubImage1D.
- */
- void (*TexSubImage3D)( struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLsizei height, GLint depth,
- GLenum format, GLenum type,
- const GLvoid *pixels,
- const struct gl_pixelstore_attrib *packing,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
-
- /**
- * Called by glGetTexImage().
- */
- void (*GetTexImage)( struct gl_context *ctx, GLenum target, GLint level,
- GLenum format, GLenum type, GLvoid *pixels,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
-
- /**
- * Called by glCopyTexImage1D().
- *
- * Drivers should use a fallback routine from texstore.c if needed.
- */
- void (*CopyTexImage1D)( struct gl_context *ctx, GLenum target, GLint level,
- GLenum internalFormat, GLint x, GLint y,
- GLsizei width, GLint border );
-
- /**
- * Called by glCopyTexImage2D().
- *
- * Drivers should use a fallback routine from texstore.c if needed.
- */
- void (*CopyTexImage2D)( struct gl_context *ctx, GLenum target, GLint level,
- GLenum internalFormat, GLint x, GLint y,
- GLsizei width, GLsizei height, GLint border );
-
- /**
- * Called by glCopyTexSubImage1D().
- *
- * Drivers should use a fallback routine from texstore.c if needed.
- */
- void (*CopyTexSubImage1D)( struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset,
- GLint x, GLint y, GLsizei width );
- /**
- * Called by glCopyTexSubImage2D().
- *
- * Drivers should use a fallback routine from texstore.c if needed.
- */
- void (*CopyTexSubImage2D)( struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLint x, GLint y,
- GLsizei width, GLsizei height );
- /**
- * Called by glCopyTexSubImage3D().
- *
- * Drivers should use a fallback routine from texstore.c if needed.
- */
- void (*CopyTexSubImage3D)( struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint x, GLint y,
- GLsizei width, GLsizei height );
-
- /**
- * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled.
- */
- void (*GenerateMipmap)(struct gl_context *ctx, GLenum target,
- struct gl_texture_object *texObj);
-
- /**
- * Called by glTexImage[123]D when user specifies a proxy texture
- * target.
- *
- * \return GL_TRUE if the proxy test passes, or GL_FALSE if the test fails.
- */
- GLboolean (*TestProxyTexImage)(struct gl_context *ctx, GLenum target,
- GLint level, GLint internalFormat,
- GLenum format, GLenum type,
- GLint width, GLint height,
- GLint depth, GLint border);
- /*@}*/
-
-
- /**
- * \name Compressed texture functions
- */
- /*@{*/
-
- /**
- * Called by glCompressedTexImage1D().
- *
- * \param target user specified.
- * \param format user specified.
- * \param type user specified.
- * \param pixels user specified.
- * \param packing indicates the image packing of pixels.
- * \param texObj is the target texture object.
- * \param texImage is the target texture image. It will have the texture \p
- * width, \p height, \p depth, \p border and \p internalFormat information.
- *
- * \a retainInternalCopy is returned by this function and indicates whether
- * core Mesa should keep an internal copy of the texture image.
- */
- void (*CompressedTexImage1D)( struct gl_context *ctx, GLenum target,
- GLint level, GLint internalFormat,
- GLsizei width, GLint border,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
- /**
- * Called by glCompressedTexImage2D().
- *
- * \sa dd_function_table::CompressedTexImage1D.
- */
- void (*CompressedTexImage2D)( struct gl_context *ctx, GLenum target,
- GLint level, GLint internalFormat,
- GLsizei width, GLsizei height, GLint border,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
- /**
- * Called by glCompressedTexImage3D().
- *
- * \sa dd_function_table::CompressedTexImage3D.
- */
- void (*CompressedTexImage3D)( struct gl_context *ctx, GLenum target,
- GLint level, GLint internalFormat,
- GLsizei width, GLsizei height, GLsizei depth,
- GLint border,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage );
-
- /**
- * Called by glCompressedTexSubImage1D().
- *
- * \param target user specified.
- * \param level user specified.
- * \param xoffset user specified.
- * \param yoffset user specified.
- * \param zoffset user specified.
- * \param width user specified.
- * \param height user specified.
- * \param depth user specified.
- * \param imageSize user specified.
- * \param data user specified.
- * \param texObj is the target texture object.
- * \param texImage is the target texture image. It will have the texture \p
- * width, \p height, \p depth, \p border and \p internalFormat information.
- */
- void (*CompressedTexSubImage1D)(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLsizei width,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
- /**
- * Called by glCompressedTexSubImage2D().
- *
- * \sa dd_function_table::CompressedTexImage3D.
- */
- void (*CompressedTexSubImage2D)(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLsizei width, GLint height,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
- /**
- * Called by glCompressedTexSubImage3D().
- *
- * \sa dd_function_table::CompressedTexImage3D.
- */
- void (*CompressedTexSubImage3D)(struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLsizei width, GLint height, GLint depth,
- GLenum format,
- GLsizei imageSize, const GLvoid *data,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
-
- /**
- * Called by glGetCompressedTexImage.
- */
- void (*GetCompressedTexImage)(struct gl_context *ctx, GLenum target, GLint level,
- GLvoid *img,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage);
-
- /*@}*/
-
- /**
- * \name Texture object functions
- */
- /*@{*/
-
- /**
- * Called by glBindTexture().
- */
- void (*BindTexture)( struct gl_context *ctx, GLenum target,
- struct gl_texture_object *tObj );
-
- /**
- * Called to allocate a new texture object.
- * A new gl_texture_object should be returned. The driver should
- * attach to it any device-specific info it needs.
- */
- struct gl_texture_object * (*NewTextureObject)( struct gl_context *ctx, GLuint name,
- GLenum target );
- /**
- * Called when a texture object is about to be deallocated.
- *
- * Driver should delete the gl_texture_object object and anything
- * hanging off of it.
- */
- void (*DeleteTexture)( struct gl_context *ctx, struct gl_texture_object *tObj );
-
- /**
- * Called to allocate a new texture image object.
- */
- struct gl_texture_image * (*NewTextureImage)( struct gl_context *ctx );
-
- /**
- * Called to free tImage->Data.
- */
- void (*FreeTexImageData)( struct gl_context *ctx, struct gl_texture_image *tImage );
-
- /** Map texture image data into user space */
- void (*MapTexture)( struct gl_context *ctx, struct gl_texture_object *tObj );
- /** Unmap texture images from user space */
- void (*UnmapTexture)( struct gl_context *ctx, struct gl_texture_object *tObj );
-
- /**
- * Note: no context argument. This function doesn't initially look
- * like it belongs here, except that the driver is the only entity
- * that knows for sure how the texture memory is allocated - via
- * the above callbacks. There is then an argument that the driver
- * knows what memcpy paths might be fast. Typically this is invoked with
- *
- * to -- a pointer into texture memory allocated by NewTextureImage() above.
- * from -- a pointer into client memory or a mesa temporary.
- * sz -- nr bytes to copy.
- */
- void* (*TextureMemCpy)( void *to, const void *from, size_t sz );
-
- /**
- * Called by glAreTextureResident().
- */
- GLboolean (*IsTextureResident)( struct gl_context *ctx,
- struct gl_texture_object *t );
-
- /**
- * Called when the texture's color lookup table is changed.
- *
- * If \p tObj is NULL then the shared texture palette
- * gl_texture_object::Palette is to be updated.
- */
- void (*UpdateTexturePalette)( struct gl_context *ctx,
- struct gl_texture_object *tObj );
- /*@}*/
-
-
- /**
- * \name Imaging functionality
- */
- /*@{*/
- void (*CopyColorTable)( struct gl_context *ctx,
- GLenum target, GLenum internalformat,
- GLint x, GLint y, GLsizei width );
-
- void (*CopyColorSubTable)( struct gl_context *ctx,
- GLenum target, GLsizei start,
- GLint x, GLint y, GLsizei width );
- /*@}*/
-
-
- /**
- * \name Vertex/fragment program functions
- */
- /*@{*/
- /** Bind a vertex/fragment program */
- void (*BindProgram)(struct gl_context *ctx, GLenum target, struct gl_program *prog);
- /** Allocate a new program */
- struct gl_program * (*NewProgram)(struct gl_context *ctx, GLenum target, GLuint id);
- /** Delete a program */
- void (*DeleteProgram)(struct gl_context *ctx, struct gl_program *prog);
- /**
- * Notify driver that a program string (and GPU code) has been specified
- * or modified. Return GL_TRUE or GL_FALSE to indicate if the program is
- * supported by the driver.
- */
- GLboolean (*ProgramStringNotify)(struct gl_context *ctx, GLenum target,
- struct gl_program *prog);
-
- /** Query if program can be loaded onto hardware */
- GLboolean (*IsProgramNative)(struct gl_context *ctx, GLenum target,
- struct gl_program *prog);
-
- /*@}*/
-
- /**
- * \name GLSL shader/program functions.
- */
- /*@{*/
- /**
- * Called when a shader is compiled.
- *
- * Note that not all shader objects get ShaderCompile called on
- * them. Notably, the shaders containing builtin functions do not
- * have CompileShader() called, so if lowering passes are done they
- * need to also be performed in LinkShader().
- */
- GLboolean (*CompileShader)(struct gl_context *ctx, struct gl_shader *shader);
- /**
- * Called when a shader program is linked.
- *
- * This gives drivers an opportunity to clone the IR and make their
- * own transformations on it for the purposes of code generation.
- */
- GLboolean (*LinkShader)(struct gl_context *ctx, struct gl_shader_program *shader);
- /*@}*/
-
- /**
- * \name State-changing functions.
- *
- * \note drawing functions are above.
- *
- * These functions are called by their corresponding OpenGL API functions.
- * They are \e also called by the gl_PopAttrib() function!!!
- * May add more functions like these to the device driver in the future.
- */
- /*@{*/
- /** Specify the alpha test function */
- void (*AlphaFunc)(struct gl_context *ctx, GLenum func, GLfloat ref);
- /** Set the blend color */
- void (*BlendColor)(struct gl_context *ctx, const GLfloat color[4]);
- /** Set the blend equation */
- void (*BlendEquationSeparate)(struct gl_context *ctx, GLenum modeRGB, GLenum modeA);
- void (*BlendEquationSeparatei)(struct gl_context *ctx, GLuint buffer,
- GLenum modeRGB, GLenum modeA);
- /** Specify pixel arithmetic */
- void (*BlendFuncSeparate)(struct gl_context *ctx,
- GLenum sfactorRGB, GLenum dfactorRGB,
- GLenum sfactorA, GLenum dfactorA);
- void (*BlendFuncSeparatei)(struct gl_context *ctx, GLuint buffer,
- GLenum sfactorRGB, GLenum dfactorRGB,
- GLenum sfactorA, GLenum dfactorA);
- /** Specify clear values for the color buffers */
- void (*ClearColor)(struct gl_context *ctx, const GLfloat color[4]);
- /** Specify the clear value for the depth buffer */
- void (*ClearDepth)(struct gl_context *ctx, GLclampd d);
- /** Specify the clear value for the stencil buffer */
- void (*ClearStencil)(struct gl_context *ctx, GLint s);
- /** Specify a plane against which all geometry is clipped */
- void (*ClipPlane)(struct gl_context *ctx, GLenum plane, const GLfloat *equation );
- /** Enable and disable writing of frame buffer color components */
- void (*ColorMask)(struct gl_context *ctx, GLboolean rmask, GLboolean gmask,
- GLboolean bmask, GLboolean amask );
- void (*ColorMaskIndexed)(struct gl_context *ctx, GLuint buf, GLboolean rmask,
- GLboolean gmask, GLboolean bmask, GLboolean amask);
- /** Cause a material color to track the current color */
- void (*ColorMaterial)(struct gl_context *ctx, GLenum face, GLenum mode);
- /** Specify whether front- or back-facing facets can be culled */
- void (*CullFace)(struct gl_context *ctx, GLenum mode);
- /** Define front- and back-facing polygons */
- void (*FrontFace)(struct gl_context *ctx, GLenum mode);
- /** Specify the value used for depth buffer comparisons */
- void (*DepthFunc)(struct gl_context *ctx, GLenum func);
- /** Enable or disable writing into the depth buffer */
- void (*DepthMask)(struct gl_context *ctx, GLboolean flag);
- /** Specify mapping of depth values from NDC to window coordinates */
- void (*DepthRange)(struct gl_context *ctx, GLclampd nearval, GLclampd farval);
- /** Specify the current buffer for writing */
- void (*DrawBuffer)( struct gl_context *ctx, GLenum buffer );
- /** Specify the buffers for writing for fragment programs*/
- void (*DrawBuffers)( struct gl_context *ctx, GLsizei n, const GLenum *buffers );
- /** Enable or disable server-side gl capabilities */
- void (*Enable)(struct gl_context *ctx, GLenum cap, GLboolean state);
- /** Specify fog parameters */
- void (*Fogfv)(struct gl_context *ctx, GLenum pname, const GLfloat *params);
- /** Specify implementation-specific hints */
- void (*Hint)(struct gl_context *ctx, GLenum target, GLenum mode);
- /** Set light source parameters.
- * Note: for GL_POSITION and GL_SPOT_DIRECTION, params will have already
- * been transformed to eye-space.
- */
- void (*Lightfv)(struct gl_context *ctx, GLenum light,
- GLenum pname, const GLfloat *params );
- /** Set the lighting model parameters */
- void (*LightModelfv)(struct gl_context *ctx, GLenum pname, const GLfloat *params);
- /** Specify the line stipple pattern */
- void (*LineStipple)(struct gl_context *ctx, GLint factor, GLushort pattern );
- /** Specify the width of rasterized lines */
- void (*LineWidth)(struct gl_context *ctx, GLfloat width);
- /** Specify a logical pixel operation for color index rendering */
- void (*LogicOpcode)(struct gl_context *ctx, GLenum opcode);
- void (*PointParameterfv)(struct gl_context *ctx, GLenum pname,
- const GLfloat *params);
- /** Specify the diameter of rasterized points */
- void (*PointSize)(struct gl_context *ctx, GLfloat size);
- /** Select a polygon rasterization mode */
- void (*PolygonMode)(struct gl_context *ctx, GLenum face, GLenum mode);
- /** Set the scale and units used to calculate depth values */
- void (*PolygonOffset)(struct gl_context *ctx, GLfloat factor, GLfloat units);
- /** Set the polygon stippling pattern */
- void (*PolygonStipple)(struct gl_context *ctx, const GLubyte *mask );
- /* Specifies the current buffer for reading */
- void (*ReadBuffer)( struct gl_context *ctx, GLenum buffer );
- /** Set rasterization mode */
- void (*RenderMode)(struct gl_context *ctx, GLenum mode );
- /** Define the scissor box */
- void (*Scissor)(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
- /** Select flat or smooth shading */
- void (*ShadeModel)(struct gl_context *ctx, GLenum mode);
- /** OpenGL 2.0 two-sided StencilFunc */
- void (*StencilFuncSeparate)(struct gl_context *ctx, GLenum face, GLenum func,
- GLint ref, GLuint mask);
- /** OpenGL 2.0 two-sided StencilMask */
- void (*StencilMaskSeparate)(struct gl_context *ctx, GLenum face, GLuint mask);
- /** OpenGL 2.0 two-sided StencilOp */
- void (*StencilOpSeparate)(struct gl_context *ctx, GLenum face, GLenum fail,
- GLenum zfail, GLenum zpass);
- /** Control the generation of texture coordinates */
- void (*TexGen)(struct gl_context *ctx, GLenum coord, GLenum pname,
- const GLfloat *params);
- /** Set texture environment parameters */
- void (*TexEnv)(struct gl_context *ctx, GLenum target, GLenum pname,
- const GLfloat *param);
- /** Set texture parameters */
- void (*TexParameter)(struct gl_context *ctx, GLenum target,
- struct gl_texture_object *texObj,
- GLenum pname, const GLfloat *params);
- /** Set the viewport */
- void (*Viewport)(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h);
- /*@}*/
-
-
- /**
- * \name Vertex/pixel buffer object functions
- */
- /*@{*/
- void (*BindBuffer)( struct gl_context *ctx, GLenum target,
- struct gl_buffer_object *obj );
-
- struct gl_buffer_object * (*NewBufferObject)( struct gl_context *ctx, GLuint buffer,
- GLenum target );
-
- void (*DeleteBuffer)( struct gl_context *ctx, struct gl_buffer_object *obj );
-
- GLboolean (*BufferData)( struct gl_context *ctx, GLenum target, GLsizeiptrARB size,
- const GLvoid *data, GLenum usage,
- struct gl_buffer_object *obj );
-
- void (*BufferSubData)( struct gl_context *ctx, GLenum target, GLintptrARB offset,
- GLsizeiptrARB size, const GLvoid *data,
- struct gl_buffer_object *obj );
-
- void (*GetBufferSubData)( struct gl_context *ctx, GLenum target,
- GLintptrARB offset, GLsizeiptrARB size,
- GLvoid *data, struct gl_buffer_object *obj );
-
- void * (*MapBuffer)( struct gl_context *ctx, GLenum target, GLenum access,
- struct gl_buffer_object *obj );
-
- void (*CopyBufferSubData)( struct gl_context *ctx,
- struct gl_buffer_object *src,
- struct gl_buffer_object *dst,
- GLintptr readOffset, GLintptr writeOffset,
- GLsizeiptr size );
-
- /* May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
- */
- void * (*MapBufferRange)( struct gl_context *ctx, GLenum target, GLintptr offset,
- GLsizeiptr length, GLbitfield access,
- struct gl_buffer_object *obj);
-
- void (*FlushMappedBufferRange)(struct gl_context *ctx, GLenum target,
- GLintptr offset, GLsizeiptr length,
- struct gl_buffer_object *obj);
-
- GLboolean (*UnmapBuffer)( struct gl_context *ctx, GLenum target,
- struct gl_buffer_object *obj );
- /*@}*/
-
- /**
- * \name Functions for GL_APPLE_object_purgeable
- */
- /*@{*/
- /* variations on ObjectPurgeable */
- GLenum (*BufferObjectPurgeable)( struct gl_context *ctx, struct gl_buffer_object *obj, GLenum option );
- GLenum (*RenderObjectPurgeable)( struct gl_context *ctx, struct gl_renderbuffer *obj, GLenum option );
- GLenum (*TextureObjectPurgeable)( struct gl_context *ctx, struct gl_texture_object *obj, GLenum option );
-
- /* variations on ObjectUnpurgeable */
- GLenum (*BufferObjectUnpurgeable)( struct gl_context *ctx, struct gl_buffer_object *obj, GLenum option );
- GLenum (*RenderObjectUnpurgeable)( struct gl_context *ctx, struct gl_renderbuffer *obj, GLenum option );
- GLenum (*TextureObjectUnpurgeable)( struct gl_context *ctx, struct gl_texture_object *obj, GLenum option );
- /*@}*/
-
- /**
- * \name Functions for GL_EXT_framebuffer_{object,blit}.
- */
- /*@{*/
- struct gl_framebuffer * (*NewFramebuffer)(struct gl_context *ctx, GLuint name);
- struct gl_renderbuffer * (*NewRenderbuffer)(struct gl_context *ctx, GLuint name);
- void (*BindFramebuffer)(struct gl_context *ctx, GLenum target,
- struct gl_framebuffer *drawFb,
- struct gl_framebuffer *readFb);
- void (*FramebufferRenderbuffer)(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- GLenum attachment,
- struct gl_renderbuffer *rb);
- void (*RenderTexture)(struct gl_context *ctx,
- struct gl_framebuffer *fb,
- struct gl_renderbuffer_attachment *att);
- void (*FinishRenderTexture)(struct gl_context *ctx,
- struct gl_renderbuffer_attachment *att);
- void (*ValidateFramebuffer)(struct gl_context *ctx,
- struct gl_framebuffer *fb);
- /*@}*/
- void (*BlitFramebuffer)(struct gl_context *ctx,
- GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
- GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
- GLbitfield mask, GLenum filter);
-
- /**
- * \name Query objects
- */
- /*@{*/
- struct gl_query_object * (*NewQueryObject)(struct gl_context *ctx, GLuint id);
- void (*DeleteQuery)(struct gl_context *ctx, struct gl_query_object *q);
- void (*BeginQuery)(struct gl_context *ctx, struct gl_query_object *q);
- void (*EndQuery)(struct gl_context *ctx, struct gl_query_object *q);
- void (*CheckQuery)(struct gl_context *ctx, struct gl_query_object *q);
- void (*WaitQuery)(struct gl_context *ctx, struct gl_query_object *q);
- /*@}*/
-
-
- /**
- * \name Vertex Array objects
- */
- /*@{*/
- struct gl_array_object * (*NewArrayObject)(struct gl_context *ctx, GLuint id);
- void (*DeleteArrayObject)(struct gl_context *ctx, struct gl_array_object *obj);
- void (*BindArrayObject)(struct gl_context *ctx, struct gl_array_object *obj);
- /*@}*/
-
- /**
- * \name GLSL-related functions (ARB extensions and OpenGL 2.x)
- */
- /*@{*/
- struct gl_shader *(*NewShader)(struct gl_context *ctx, GLuint name, GLenum type);
- void (*DeleteShader)(struct gl_context *ctx, struct gl_shader *shader);
- struct gl_shader_program *(*NewShaderProgram)(struct gl_context *ctx, GLuint name);
- void (*DeleteShaderProgram)(struct gl_context *ctx,
- struct gl_shader_program *shProg);
- void (*UseProgram)(struct gl_context *ctx, struct gl_shader_program *shProg);
- /*@}*/
-
-
- /**
- * \name Support for multiple T&L engines
- */
- /*@{*/
-
- /**
- * Bitmask of state changes that require the current T&L module to be
- * validated, using ValidateTnlModule() below.
- */
- GLuint NeedValidate;
-
- /**
- * Validate the current T&L module.
- *
- * This is called directly after UpdateState() when a state change that has
- * occurred matches the dd_function_table::NeedValidate bitmask above. This
- * ensures all computed values are up to date, thus allowing the driver to
- * decide if the current T&L module needs to be swapped out.
- *
- * This must be non-NULL if a driver installs a custom T&L module and sets
- * the dd_function_table::NeedValidate bitmask, but may be NULL otherwise.
- */
- void (*ValidateTnlModule)( struct gl_context *ctx, GLuint new_state );
-
-
-#define PRIM_OUTSIDE_BEGIN_END (GL_POLYGON+1)
-#define PRIM_INSIDE_UNKNOWN_PRIM (GL_POLYGON+2)
-#define PRIM_UNKNOWN (GL_POLYGON+3)
-
- /**
- * Set by the driver-supplied T&L engine.
- *
- * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd().
- */
- GLuint CurrentExecPrimitive;
-
- /**
- * Current state of an in-progress compilation.
- *
- * May take on any of the additional values PRIM_OUTSIDE_BEGIN_END,
- * PRIM_INSIDE_UNKNOWN_PRIM or PRIM_UNKNOWN defined above.
- */
- GLuint CurrentSavePrimitive;
-
-
-#define FLUSH_STORED_VERTICES 0x1
-#define FLUSH_UPDATE_CURRENT 0x2
- /**
- * Set by the driver-supplied T&L engine whenever vertices are buffered
- * between glBegin()/glEnd() objects or __struct gl_contextRec::Current is not
- * updated.
- *
- * The dd_function_table::FlushVertices call below may be used to resolve
- * these conditions.
- */
- GLuint NeedFlush;
- GLuint SaveNeedFlush;
-
-
- /* Called prior to any of the GLvertexformat functions being
- * called. Paired with Driver.FlushVertices().
- */
- void (*BeginVertices)( struct gl_context *ctx );
-
- /**
- * If inside glBegin()/glEnd(), it should ASSERT(0). Otherwise, if
- * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered
- * vertices, if FLUSH_UPDATE_CURRENT bit is set updates
- * __struct gl_contextRec::Current and gl_light_attrib::Material
- *
- * Note that the default T&L engine never clears the
- * FLUSH_UPDATE_CURRENT bit, even after performing the update.
- */
- void (*FlushVertices)( struct gl_context *ctx, GLuint flags );
- void (*SaveFlushVertices)( struct gl_context *ctx );
-
- /**
- * Give the driver the opportunity to hook in its own vtxfmt for
- * compiling optimized display lists. This is called on each valid
- * glBegin() during list compilation.
- */
- GLboolean (*NotifySaveBegin)( struct gl_context *ctx, GLenum mode );
-
- /**
- * Notify driver that the special derived value _NeedEyeCoords has
- * changed.
- */
- void (*LightingSpaceChange)( struct gl_context *ctx );
-
- /**
- * Called by glNewList().
- *
- * Let the T&L component know what is going on with display lists
- * in time to make changes to dispatch tables, etc.
- */
- void (*NewList)( struct gl_context *ctx, GLuint list, GLenum mode );
- /**
- * Called by glEndList().
- *
- * \sa dd_function_table::NewList.
- */
- void (*EndList)( struct gl_context *ctx );
-
- /**
- * Called by glCallList(s).
- *
- * Notify the T&L component before and after calling a display list.
- */
- void (*BeginCallList)( struct gl_context *ctx,
- struct gl_display_list *dlist );
- /**
- * Called by glEndCallList().
- *
- * \sa dd_function_table::BeginCallList.
- */
- void (*EndCallList)( struct gl_context *ctx );
-
-
- /**
- * \name GL_ARB_sync interfaces
- */
- /*@{*/
- struct gl_sync_object * (*NewSyncObject)(struct gl_context *, GLenum);
- void (*FenceSync)(struct gl_context *, struct gl_sync_object *, GLenum, GLbitfield);
- void (*DeleteSyncObject)(struct gl_context *, struct gl_sync_object *);
- void (*CheckSync)(struct gl_context *, struct gl_sync_object *);
- void (*ClientWaitSync)(struct gl_context *, struct gl_sync_object *,
- GLbitfield, GLuint64);
- void (*ServerWaitSync)(struct gl_context *, struct gl_sync_object *,
- GLbitfield, GLuint64);
- /*@}*/
-
- /** GL_NV_conditional_render */
- void (*BeginConditionalRender)(struct gl_context *ctx, struct gl_query_object *q,
- GLenum mode);
- void (*EndConditionalRender)(struct gl_context *ctx, struct gl_query_object *q);
-
- /**
- * \name GL_OES_draw_texture interface
- */
- /*@{*/
- void (*DrawTex)(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z,
- GLfloat width, GLfloat height);
- /*@}*/
-
- /**
- * \name GL_OES_EGL_image interface
- */
- void (*EGLImageTargetTexture2D)(struct gl_context *ctx, GLenum target,
- struct gl_texture_object *texObj,
- struct gl_texture_image *texImage,
- GLeglImageOES image_handle);
- void (*EGLImageTargetRenderbufferStorage)(struct gl_context *ctx,
- struct gl_renderbuffer *rb,
- void *image_handle);
-
- /**
- * \name GL_EXT_transform_feedback interface
- */
- struct gl_transform_feedback_object *
- (*NewTransformFeedback)(struct gl_context *ctx, GLuint name);
- void (*DeleteTransformFeedback)(struct gl_context *ctx,
- struct gl_transform_feedback_object *obj);
- void (*BeginTransformFeedback)(struct gl_context *ctx, GLenum mode,
- struct gl_transform_feedback_object *obj);
- void (*EndTransformFeedback)(struct gl_context *ctx,
- struct gl_transform_feedback_object *obj);
- void (*PauseTransformFeedback)(struct gl_context *ctx,
- struct gl_transform_feedback_object *obj);
- void (*ResumeTransformFeedback)(struct gl_context *ctx,
- struct gl_transform_feedback_object *obj);
- void (*DrawTransformFeedback)(struct gl_context *ctx, GLenum mode,
- struct gl_transform_feedback_object *obj);
-};
-
-
-/**
- * Transform/Clip/Lighting interface
- *
- * Drivers present a reduced set of the functions possible in
- * glBegin()/glEnd() objects. Core mesa provides translation stubs for the
- * remaining functions to map down to these entry points.
- *
- * These are the initial values to be installed into dispatch by
- * mesa. If the T&L driver wants to modify the dispatch table
- * while installed, it must do so itself. It would be possible for
- * the vertexformat to install its own initial values for these
- * functions, but this way there is an obvious list of what is
- * expected of the driver.
- *
- * If the driver wants to hook in entry points other than those
- * listed, it must restore them to their original values in
- * the disable() callback, below.
- */
-typedef struct {
- /**
- * \name Vertex
- */
- /*@{*/
- void (GLAPIENTRYP ArrayElement)( GLint );
- void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat );
- void (GLAPIENTRYP Color3fv)( const GLfloat * );
- void (GLAPIENTRYP Color4f)( GLfloat, GLfloat, GLfloat, GLfloat );
- void (GLAPIENTRYP Color4fv)( const GLfloat * );
- void (GLAPIENTRYP EdgeFlag)( GLboolean );
- void (GLAPIENTRYP EvalCoord1f)( GLfloat );
- void (GLAPIENTRYP EvalCoord1fv)( const GLfloat * );
- void (GLAPIENTRYP EvalCoord2f)( GLfloat, GLfloat );
- void (GLAPIENTRYP EvalCoord2fv)( const GLfloat * );
- void (GLAPIENTRYP EvalPoint1)( GLint );
- void (GLAPIENTRYP EvalPoint2)( GLint, GLint );
- void (GLAPIENTRYP FogCoordfEXT)( GLfloat );
- void (GLAPIENTRYP FogCoordfvEXT)( const GLfloat * );
- void (GLAPIENTRYP Indexf)( GLfloat );
- void (GLAPIENTRYP Indexfv)( const GLfloat * );
- void (GLAPIENTRYP Materialfv)( GLenum face, GLenum pname, const GLfloat * );
- void (GLAPIENTRYP MultiTexCoord1fARB)( GLenum, GLfloat );
- void (GLAPIENTRYP MultiTexCoord1fvARB)( GLenum, const GLfloat * );
- void (GLAPIENTRYP MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat );
- void (GLAPIENTRYP MultiTexCoord2fvARB)( GLenum, const GLfloat * );
- void (GLAPIENTRYP MultiTexCoord3fARB)( GLenum, GLfloat, GLfloat, GLfloat );
- void (GLAPIENTRYP MultiTexCoord3fvARB)( GLenum, const GLfloat * );
- void (GLAPIENTRYP MultiTexCoord4fARB)( GLenum, GLfloat, GLfloat, GLfloat, GLfloat );
- void (GLAPIENTRYP MultiTexCoord4fvARB)( GLenum, const GLfloat * );
- void (GLAPIENTRYP Normal3f)( GLfloat, GLfloat, GLfloat );
- void (GLAPIENTRYP Normal3fv)( const GLfloat * );
- void (GLAPIENTRYP SecondaryColor3fEXT)( GLfloat, GLfloat, GLfloat );
- void (GLAPIENTRYP SecondaryColor3fvEXT)( const GLfloat * );
- void (GLAPIENTRYP TexCoord1f)( GLfloat );
- void (GLAPIENTRYP TexCoord1fv)( const GLfloat * );
- void (GLAPIENTRYP TexCoord2f)( GLfloat, GLfloat );
- void (GLAPIENTRYP TexCoord2fv)( const GLfloat * );
- void (GLAPIENTRYP TexCoord3f)( GLfloat, GLfloat, GLfloat );
- void (GLAPIENTRYP TexCoord3fv)( const GLfloat * );
- void (GLAPIENTRYP TexCoord4f)( GLfloat, GLfloat, GLfloat, GLfloat );
- void (GLAPIENTRYP TexCoord4fv)( const GLfloat * );
- void (GLAPIENTRYP Vertex2f)( GLfloat, GLfloat );
- void (GLAPIENTRYP Vertex2fv)( const GLfloat * );
- void (GLAPIENTRYP Vertex3f)( GLfloat, GLfloat, GLfloat );
- void (GLAPIENTRYP Vertex3fv)( const GLfloat * );
- void (GLAPIENTRYP Vertex4f)( GLfloat, GLfloat, GLfloat, GLfloat );
- void (GLAPIENTRYP Vertex4fv)( const GLfloat * );
- void (GLAPIENTRYP CallList)( GLuint );
- void (GLAPIENTRYP CallLists)( GLsizei, GLenum, const GLvoid * );
- void (GLAPIENTRYP Begin)( GLenum );
- void (GLAPIENTRYP End)( void );
- void (GLAPIENTRYP PrimitiveRestartNV)( void );
- /* GL_NV_vertex_program */
- void (GLAPIENTRYP VertexAttrib1fNV)( GLuint index, GLfloat x );
- void (GLAPIENTRYP VertexAttrib1fvNV)( GLuint index, const GLfloat *v );
- void (GLAPIENTRYP VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y );
- void (GLAPIENTRYP VertexAttrib2fvNV)( GLuint index, const GLfloat *v );
- void (GLAPIENTRYP VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
- void (GLAPIENTRYP VertexAttrib3fvNV)( GLuint index, const GLfloat *v );
- void (GLAPIENTRYP VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
- void (GLAPIENTRYP VertexAttrib4fvNV)( GLuint index, const GLfloat *v );
- /* GL_ARB_vertex_program */
- void (GLAPIENTRYP VertexAttrib1fARB)( GLuint index, GLfloat x );
- void (GLAPIENTRYP VertexAttrib1fvARB)( GLuint index, const GLfloat *v );
- void (GLAPIENTRYP VertexAttrib2fARB)( GLuint index, GLfloat x, GLfloat y );
- void (GLAPIENTRYP VertexAttrib2fvARB)( GLuint index, const GLfloat *v );
- void (GLAPIENTRYP VertexAttrib3fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z );
- void (GLAPIENTRYP VertexAttrib3fvARB)( GLuint index, const GLfloat *v );
- void (GLAPIENTRYP VertexAttrib4fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w );
- void (GLAPIENTRYP VertexAttrib4fvARB)( GLuint index, const GLfloat *v );
-
- /* GL_EXT_gpu_shader4 / GL 3.0 */
- void (GLAPIENTRYP VertexAttribI1i)( GLuint index, GLint x);
- void (GLAPIENTRYP VertexAttribI2i)( GLuint index, GLint x, GLint y);
- void (GLAPIENTRYP VertexAttribI3i)( GLuint index, GLint x, GLint y, GLint z);
- void (GLAPIENTRYP VertexAttribI4i)( GLuint index, GLint x, GLint y, GLint z, GLint w);
- void (GLAPIENTRYP VertexAttribI2iv)( GLuint index, const GLint *v);
- void (GLAPIENTRYP VertexAttribI3iv)( GLuint index, const GLint *v);
- void (GLAPIENTRYP VertexAttribI4iv)( GLuint index, const GLint *v);
-
- void (GLAPIENTRYP VertexAttribI1ui)( GLuint index, GLuint x);
- void (GLAPIENTRYP VertexAttribI2ui)( GLuint index, GLuint x, GLuint y);
- void (GLAPIENTRYP VertexAttribI3ui)( GLuint index, GLuint x, GLuint y, GLuint z);
- void (GLAPIENTRYP VertexAttribI4ui)( GLuint index, GLuint x, GLuint y, GLuint z, GLuint w);
- void (GLAPIENTRYP VertexAttribI2uiv)( GLuint index, const GLuint *v);
- void (GLAPIENTRYP VertexAttribI3uiv)( GLuint index, const GLuint *v);
- void (GLAPIENTRYP VertexAttribI4uiv)( GLuint index, const GLuint *v);
-
- /*@}*/
-
- void (GLAPIENTRYP Rectf)( GLfloat, GLfloat, GLfloat, GLfloat );
-
- /**
- * \name Array
- */
- /*@{*/
- void (GLAPIENTRYP DrawArrays)( GLenum mode, GLint start, GLsizei count );
- void (GLAPIENTRYP DrawElements)( GLenum mode, GLsizei count, GLenum type,
- const GLvoid *indices );
- void (GLAPIENTRYP DrawRangeElements)( GLenum mode, GLuint start,
- GLuint end, GLsizei count,
- GLenum type, const GLvoid *indices );
- void (GLAPIENTRYP MultiDrawElementsEXT)( GLenum mode, const GLsizei *count,
- GLenum type,
- const GLvoid **indices,
- GLsizei primcount);
- void (GLAPIENTRYP DrawElementsBaseVertex)( GLenum mode, GLsizei count,
- GLenum type,
- const GLvoid *indices,
- GLint basevertex );
- void (GLAPIENTRYP DrawRangeElementsBaseVertex)( GLenum mode, GLuint start,
- GLuint end, GLsizei count,
- GLenum type,
- const GLvoid *indices,
- GLint basevertex);
- void (GLAPIENTRYP MultiDrawElementsBaseVertex)( GLenum mode,
- const GLsizei *count,
- GLenum type,
- const GLvoid **indices,
- GLsizei primcount,
- const GLint *basevertex);
- void (GLAPIENTRYP DrawArraysInstanced)(GLenum mode, GLint first,
- GLsizei count, GLsizei primcount);
- void (GLAPIENTRYP DrawElementsInstanced)(GLenum mode, GLsizei count,
- GLenum type, const GLvoid *indices,
- GLsizei primcount);
- /*@}*/
-
- /**
- * \name Eval
- *
- * If you don't support eval, fallback to the default vertex format
- * on receiving an eval call and use the pipeline mechanism to
- * provide partial T&L acceleration.
- *
- * Mesa will provide a set of helper functions to do eval within
- * accelerated vertex formats, eventually...
- */
- /*@{*/
- void (GLAPIENTRYP EvalMesh1)( GLenum mode, GLint i1, GLint i2 );
- void (GLAPIENTRYP EvalMesh2)( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 );
- /*@}*/
-
-} GLvertexformat;
-
-
-#endif /* DD_INCLUDED */
+/** + * \file dd.h + * Device driver interfaces. + */ + +/* + * Mesa 3-D graphics library + * Version: 6.5.2 + * + * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS + * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN + * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN + * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. + */ + + +#ifndef DD_INCLUDED +#define DD_INCLUDED + +/* THIS FILE ONLY INCLUDED BY mtypes.h !!!!! */ + +#include "glheader.h" + +struct gl_buffer_object; +struct gl_context; +struct gl_display_list; +struct gl_framebuffer; +struct gl_pixelstore_attrib; +struct gl_program; +struct gl_renderbuffer; +struct gl_renderbuffer_attachment; +struct gl_shader; +struct gl_shader_program; +struct gl_texture_image; +struct gl_texture_object; + +/* GL_ARB_vertex_buffer_object */ +/* Modifies GL_MAP_UNSYNCHRONIZED_BIT to allow driver to fail (return + * NULL) if buffer is unavailable for immediate mapping. + * + * Does GL_MAP_INVALIDATE_RANGE_BIT do this? It seems so, but it + * would require more book-keeping in the driver than seems necessary + * at this point. + * + * Does GL_MAP_INVALDIATE_BUFFER_BIT do this? Not really -- we don't + * want to provoke the driver to throw away the old storage, we will + * respect the contents of already referenced data. + */ +#define MESA_MAP_NOWAIT_BIT 0x0040 + + +/** + * Device driver function table. + * Core Mesa uses these function pointers to call into device drivers. + * Most of these functions directly correspond to OpenGL state commands. + * Core Mesa will call these functions after error checking has been done + * so that the drivers don't have to worry about error testing. + * + * Vertex transformation/clipping/lighting is patched into the T&L module. + * Rasterization functions are patched into the swrast module. + * + * Note: when new functions are added here, the drivers/common/driverfuncs.c + * file should be updated too!!! + */ +struct dd_function_table { + /** + * Return a string as needed by glGetString(). + * Only the GL_RENDERER query must be implemented. Otherwise, NULL can be + * returned. + */ + const GLubyte * (*GetString)( struct gl_context *ctx, GLenum name ); + + /** + * Notify the driver after Mesa has made some internal state changes. + * + * This is in addition to any state change callbacks Mesa may already have + * made. + */ + void (*UpdateState)( struct gl_context *ctx, GLbitfield new_state ); + + /** + * Get the width and height of the named buffer/window. + * + * Mesa uses this to determine when the driver's window size has changed. + * XXX OBSOLETE: this function will be removed in the future. + */ + void (*GetBufferSize)( struct gl_framebuffer *buffer, + GLuint *width, GLuint *height ); + + /** + * Resize the given framebuffer to the given size. + * XXX OBSOLETE: this function will be removed in the future. + */ + void (*ResizeBuffers)( struct gl_context *ctx, struct gl_framebuffer *fb, + GLuint width, GLuint height); + + /** + * Called whenever an error is generated. + * __struct gl_contextRec::ErrorValue contains the error value. + */ + void (*Error)( struct gl_context *ctx ); + + /** + * This is called whenever glFinish() is called. + */ + void (*Finish)( struct gl_context *ctx ); + + /** + * This is called whenever glFlush() is called. + */ + void (*Flush)( struct gl_context *ctx ); + + /** + * Clear the color/depth/stencil/accum buffer(s). + * \param buffers a bitmask of BUFFER_BIT_* flags indicating which + * renderbuffers need to be cleared. + */ + void (*Clear)( struct gl_context *ctx, GLbitfield buffers ); + + /** + * Execute glAccum command. + */ + void (*Accum)( struct gl_context *ctx, GLenum op, GLfloat value ); + + + /** + * Execute glRasterPos, updating the ctx->Current.Raster fields + */ + void (*RasterPos)( struct gl_context *ctx, const GLfloat v[4] ); + + /** + * \name Image-related functions + */ + /*@{*/ + + /** + * Called by glDrawPixels(). + * \p unpack describes how to unpack the source image data. + */ + void (*DrawPixels)( struct gl_context *ctx, + GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, + const GLvoid *pixels ); + + /** + * Called by glReadPixels(). + */ + void (*ReadPixels)( struct gl_context *ctx, + GLint x, GLint y, GLsizei width, GLsizei height, + GLenum format, GLenum type, + const struct gl_pixelstore_attrib *unpack, + GLvoid *dest ); + + /** + * Called by glCopyPixels(). + */ + void (*CopyPixels)( struct gl_context *ctx, GLint srcx, GLint srcy, + GLsizei width, GLsizei height, + GLint dstx, GLint dsty, GLenum type ); + + /** + * Called by glBitmap(). + */ + void (*Bitmap)( struct gl_context *ctx, + GLint x, GLint y, GLsizei width, GLsizei height, + const struct gl_pixelstore_attrib *unpack, + const GLubyte *bitmap ); + /*@}*/ + + + /** + * \name Texture image functions + */ + /*@{*/ + + /** + * Choose texture format. + * + * This is called by the \c _mesa_store_tex[sub]image[123]d() fallback + * functions. The driver should examine \p internalFormat and return a + * gl_format value. + */ + GLuint (*ChooseTextureFormat)( struct gl_context *ctx, GLint internalFormat, + GLenum srcFormat, GLenum srcType ); + + /** + * Called by glTexImage1D(). + * + * \param target user specified. + * \param format user specified. + * \param type user specified. + * \param pixels user specified. + * \param packing indicates the image packing of pixels. + * \param texObj is the target texture object. + * \param texImage is the target texture image. It will have the texture \p + * width, \p height, \p depth, \p border and \p internalFormat information. + * + * \p retainInternalCopy is returned by this function and indicates whether + * core Mesa should keep an internal copy of the texture image. + * + * Drivers should call a fallback routine from texstore.c if needed. + */ + void (*TexImage1D)( struct gl_context *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint border, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glTexImage2D(). + * + * \sa dd_function_table::TexImage1D. + */ + void (*TexImage2D)( struct gl_context *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint border, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glTexImage3D(). + * + * \sa dd_function_table::TexImage1D. + */ + void (*TexImage3D)( struct gl_context *ctx, GLenum target, GLint level, + GLint internalFormat, + GLint width, GLint height, GLint depth, GLint border, + GLenum format, GLenum type, const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glTexSubImage1D(). + * + * \param target user specified. + * \param level user specified. + * \param xoffset user specified. + * \param yoffset user specified. + * \param zoffset user specified. + * \param width user specified. + * \param height user specified. + * \param depth user specified. + * \param format user specified. + * \param type user specified. + * \param pixels user specified. + * \param packing indicates the image packing of pixels. + * \param texObj is the target texture object. + * \param texImage is the target texture image. It will have the texture \p + * width, \p height, \p border and \p internalFormat information. + * + * The driver should use a fallback routine from texstore.c if needed. + */ + void (*TexSubImage1D)( struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLsizei width, + GLenum format, GLenum type, + const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glTexSubImage2D(). + * + * \sa dd_function_table::TexSubImage1D. + */ + void (*TexSubImage2D)( struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLsizei height, + GLenum format, GLenum type, + const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glTexSubImage3D(). + * + * \sa dd_function_table::TexSubImage1D. + */ + void (*TexSubImage3D)( struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLsizei height, GLint depth, + GLenum format, GLenum type, + const GLvoid *pixels, + const struct gl_pixelstore_attrib *packing, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glGetTexImage(). + */ + void (*GetTexImage)( struct gl_context *ctx, GLenum target, GLint level, + GLenum format, GLenum type, GLvoid *pixels, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glCopyTexImage1D(). + * + * Drivers should use a fallback routine from texstore.c if needed. + */ + void (*CopyTexImage1D)( struct gl_context *ctx, GLenum target, GLint level, + GLenum internalFormat, GLint x, GLint y, + GLsizei width, GLint border ); + + /** + * Called by glCopyTexImage2D(). + * + * Drivers should use a fallback routine from texstore.c if needed. + */ + void (*CopyTexImage2D)( struct gl_context *ctx, GLenum target, GLint level, + GLenum internalFormat, GLint x, GLint y, + GLsizei width, GLsizei height, GLint border ); + + /** + * Called by glCopyTexSubImage1D(). + * + * Drivers should use a fallback routine from texstore.c if needed. + */ + void (*CopyTexSubImage1D)( struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, + GLint x, GLint y, GLsizei width ); + /** + * Called by glCopyTexSubImage2D(). + * + * Drivers should use a fallback routine from texstore.c if needed. + */ + void (*CopyTexSubImage2D)( struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLint x, GLint y, + GLsizei width, GLsizei height ); + /** + * Called by glCopyTexSubImage3D(). + * + * Drivers should use a fallback routine from texstore.c if needed. + */ + void (*CopyTexSubImage3D)( struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLint x, GLint y, + GLsizei width, GLsizei height ); + + /** + * Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled. + */ + void (*GenerateMipmap)(struct gl_context *ctx, GLenum target, + struct gl_texture_object *texObj); + + /** + * Called by glTexImage[123]D when user specifies a proxy texture + * target. + * + * \return GL_TRUE if the proxy test passes, or GL_FALSE if the test fails. + */ + GLboolean (*TestProxyTexImage)(struct gl_context *ctx, GLenum target, + GLint level, GLint internalFormat, + GLenum format, GLenum type, + GLint width, GLint height, + GLint depth, GLint border); + /*@}*/ + + + /** + * \name Compressed texture functions + */ + /*@{*/ + + /** + * Called by glCompressedTexImage1D(). + * + * \param target user specified. + * \param format user specified. + * \param type user specified. + * \param pixels user specified. + * \param packing indicates the image packing of pixels. + * \param texObj is the target texture object. + * \param texImage is the target texture image. It will have the texture \p + * width, \p height, \p depth, \p border and \p internalFormat information. + * + * \a retainInternalCopy is returned by this function and indicates whether + * core Mesa should keep an internal copy of the texture image. + */ + void (*CompressedTexImage1D)( struct gl_context *ctx, GLenum target, + GLint level, GLint internalFormat, + GLsizei width, GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + /** + * Called by glCompressedTexImage2D(). + * + * \sa dd_function_table::CompressedTexImage1D. + */ + void (*CompressedTexImage2D)( struct gl_context *ctx, GLenum target, + GLint level, GLint internalFormat, + GLsizei width, GLsizei height, GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + /** + * Called by glCompressedTexImage3D(). + * + * \sa dd_function_table::CompressedTexImage3D. + */ + void (*CompressedTexImage3D)( struct gl_context *ctx, GLenum target, + GLint level, GLint internalFormat, + GLsizei width, GLsizei height, GLsizei depth, + GLint border, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage ); + + /** + * Called by glCompressedTexSubImage1D(). + * + * \param target user specified. + * \param level user specified. + * \param xoffset user specified. + * \param yoffset user specified. + * \param zoffset user specified. + * \param width user specified. + * \param height user specified. + * \param depth user specified. + * \param imageSize user specified. + * \param data user specified. + * \param texObj is the target texture object. + * \param texImage is the target texture image. It will have the texture \p + * width, \p height, \p depth, \p border and \p internalFormat information. + */ + void (*CompressedTexSubImage1D)(struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLsizei width, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + /** + * Called by glCompressedTexSubImage2D(). + * + * \sa dd_function_table::CompressedTexImage3D. + */ + void (*CompressedTexSubImage2D)(struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, + GLsizei width, GLint height, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + /** + * Called by glCompressedTexSubImage3D(). + * + * \sa dd_function_table::CompressedTexImage3D. + */ + void (*CompressedTexSubImage3D)(struct gl_context *ctx, GLenum target, GLint level, + GLint xoffset, GLint yoffset, GLint zoffset, + GLsizei width, GLint height, GLint depth, + GLenum format, + GLsizei imageSize, const GLvoid *data, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + + + /** + * Called by glGetCompressedTexImage. + */ + void (*GetCompressedTexImage)(struct gl_context *ctx, GLenum target, GLint level, + GLvoid *img, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage); + + /*@}*/ + + /** + * \name Texture object functions + */ + /*@{*/ + + /** + * Called by glBindTexture(). + */ + void (*BindTexture)( struct gl_context *ctx, GLenum target, + struct gl_texture_object *tObj ); + + /** + * Called to allocate a new texture object. + * A new gl_texture_object should be returned. The driver should + * attach to it any device-specific info it needs. + */ + struct gl_texture_object * (*NewTextureObject)( struct gl_context *ctx, GLuint name, + GLenum target ); + /** + * Called when a texture object is about to be deallocated. + * + * Driver should delete the gl_texture_object object and anything + * hanging off of it. + */ + void (*DeleteTexture)( struct gl_context *ctx, struct gl_texture_object *tObj ); + + /** + * Called to allocate a new texture image object. + */ + struct gl_texture_image * (*NewTextureImage)( struct gl_context *ctx ); + + /** + * Called to free tImage->Data. + */ + void (*FreeTexImageData)( struct gl_context *ctx, struct gl_texture_image *tImage ); + + /** Map texture image data into user space */ + void (*MapTexture)( struct gl_context *ctx, struct gl_texture_object *tObj ); + /** Unmap texture images from user space */ + void (*UnmapTexture)( struct gl_context *ctx, struct gl_texture_object *tObj ); + + /** + * Note: no context argument. This function doesn't initially look + * like it belongs here, except that the driver is the only entity + * that knows for sure how the texture memory is allocated - via + * the above callbacks. There is then an argument that the driver + * knows what memcpy paths might be fast. Typically this is invoked with + * + * to -- a pointer into texture memory allocated by NewTextureImage() above. + * from -- a pointer into client memory or a mesa temporary. + * sz -- nr bytes to copy. + */ + void* (*TextureMemCpy)( void *to, const void *from, size_t sz ); + + /** + * Called by glAreTextureResident(). + */ + GLboolean (*IsTextureResident)( struct gl_context *ctx, + struct gl_texture_object *t ); + + /** + * Called when the texture's color lookup table is changed. + * + * If \p tObj is NULL then the shared texture palette + * gl_texture_object::Palette is to be updated. + */ + void (*UpdateTexturePalette)( struct gl_context *ctx, + struct gl_texture_object *tObj ); + /*@}*/ + + + /** + * \name Imaging functionality + */ + /*@{*/ + void (*CopyColorTable)( struct gl_context *ctx, + GLenum target, GLenum internalformat, + GLint x, GLint y, GLsizei width ); + + void (*CopyColorSubTable)( struct gl_context *ctx, + GLenum target, GLsizei start, + GLint x, GLint y, GLsizei width ); + /*@}*/ + + + /** + * \name Vertex/fragment program functions + */ + /*@{*/ + /** Bind a vertex/fragment program */ + void (*BindProgram)(struct gl_context *ctx, GLenum target, struct gl_program *prog); + /** Allocate a new program */ + struct gl_program * (*NewProgram)(struct gl_context *ctx, GLenum target, GLuint id); + /** Delete a program */ + void (*DeleteProgram)(struct gl_context *ctx, struct gl_program *prog); + /** + * Notify driver that a program string (and GPU code) has been specified + * or modified. Return GL_TRUE or GL_FALSE to indicate if the program is + * supported by the driver. + */ + GLboolean (*ProgramStringNotify)(struct gl_context *ctx, GLenum target, + struct gl_program *prog); + + /** Query if program can be loaded onto hardware */ + GLboolean (*IsProgramNative)(struct gl_context *ctx, GLenum target, + struct gl_program *prog); + + /*@}*/ + + /** + * \name GLSL shader/program functions. + */ + /*@{*/ + /** + * Called when a shader is compiled. + * + * Note that not all shader objects get ShaderCompile called on + * them. Notably, the shaders containing builtin functions do not + * have CompileShader() called, so if lowering passes are done they + * need to also be performed in LinkShader(). + */ + GLboolean (*CompileShader)(struct gl_context *ctx, struct gl_shader *shader); + /** + * Called when a shader program is linked. + * + * This gives drivers an opportunity to clone the IR and make their + * own transformations on it for the purposes of code generation. + */ + GLboolean (*LinkShader)(struct gl_context *ctx, struct gl_shader_program *shader); + /*@}*/ + + /** + * \name State-changing functions. + * + * \note drawing functions are above. + * + * These functions are called by their corresponding OpenGL API functions. + * They are \e also called by the gl_PopAttrib() function!!! + * May add more functions like these to the device driver in the future. + */ + /*@{*/ + /** Specify the alpha test function */ + void (*AlphaFunc)(struct gl_context *ctx, GLenum func, GLfloat ref); + /** Set the blend color */ + void (*BlendColor)(struct gl_context *ctx, const GLfloat color[4]); + /** Set the blend equation */ + void (*BlendEquationSeparate)(struct gl_context *ctx, GLenum modeRGB, GLenum modeA); + void (*BlendEquationSeparatei)(struct gl_context *ctx, GLuint buffer, + GLenum modeRGB, GLenum modeA); + /** Specify pixel arithmetic */ + void (*BlendFuncSeparate)(struct gl_context *ctx, + GLenum sfactorRGB, GLenum dfactorRGB, + GLenum sfactorA, GLenum dfactorA); + void (*BlendFuncSeparatei)(struct gl_context *ctx, GLuint buffer, + GLenum sfactorRGB, GLenum dfactorRGB, + GLenum sfactorA, GLenum dfactorA); + /** Specify clear values for the color buffers */ + void (*ClearColor)(struct gl_context *ctx, const GLfloat color[4]); + /** Specify the clear value for the depth buffer */ + void (*ClearDepth)(struct gl_context *ctx, GLclampd d); + /** Specify the clear value for the stencil buffer */ + void (*ClearStencil)(struct gl_context *ctx, GLint s); + /** Specify a plane against which all geometry is clipped */ + void (*ClipPlane)(struct gl_context *ctx, GLenum plane, const GLfloat *equation ); + /** Enable and disable writing of frame buffer color components */ + void (*ColorMask)(struct gl_context *ctx, GLboolean rmask, GLboolean gmask, + GLboolean bmask, GLboolean amask ); + void (*ColorMaskIndexed)(struct gl_context *ctx, GLuint buf, GLboolean rmask, + GLboolean gmask, GLboolean bmask, GLboolean amask); + /** Cause a material color to track the current color */ + void (*ColorMaterial)(struct gl_context *ctx, GLenum face, GLenum mode); + /** Specify whether front- or back-facing facets can be culled */ + void (*CullFace)(struct gl_context *ctx, GLenum mode); + /** Define front- and back-facing polygons */ + void (*FrontFace)(struct gl_context *ctx, GLenum mode); + /** Specify the value used for depth buffer comparisons */ + void (*DepthFunc)(struct gl_context *ctx, GLenum func); + /** Enable or disable writing into the depth buffer */ + void (*DepthMask)(struct gl_context *ctx, GLboolean flag); + /** Specify mapping of depth values from NDC to window coordinates */ + void (*DepthRange)(struct gl_context *ctx, GLclampd nearval, GLclampd farval); + /** Specify the current buffer for writing */ + void (*DrawBuffer)( struct gl_context *ctx, GLenum buffer ); + /** Specify the buffers for writing for fragment programs*/ + void (*DrawBuffers)( struct gl_context *ctx, GLsizei n, const GLenum *buffers ); + /** Enable or disable server-side gl capabilities */ + void (*Enable)(struct gl_context *ctx, GLenum cap, GLboolean state); + /** Specify fog parameters */ + void (*Fogfv)(struct gl_context *ctx, GLenum pname, const GLfloat *params); + /** Specify implementation-specific hints */ + void (*Hint)(struct gl_context *ctx, GLenum target, GLenum mode); + /** Set light source parameters. + * Note: for GL_POSITION and GL_SPOT_DIRECTION, params will have already + * been transformed to eye-space. + */ + void (*Lightfv)(struct gl_context *ctx, GLenum light, + GLenum pname, const GLfloat *params ); + /** Set the lighting model parameters */ + void (*LightModelfv)(struct gl_context *ctx, GLenum pname, const GLfloat *params); + /** Specify the line stipple pattern */ + void (*LineStipple)(struct gl_context *ctx, GLint factor, GLushort pattern ); + /** Specify the width of rasterized lines */ + void (*LineWidth)(struct gl_context *ctx, GLfloat width); + /** Specify a logical pixel operation for color index rendering */ + void (*LogicOpcode)(struct gl_context *ctx, GLenum opcode); + void (*PointParameterfv)(struct gl_context *ctx, GLenum pname, + const GLfloat *params); + /** Specify the diameter of rasterized points */ + void (*PointSize)(struct gl_context *ctx, GLfloat size); + /** Select a polygon rasterization mode */ + void (*PolygonMode)(struct gl_context *ctx, GLenum face, GLenum mode); + /** Set the scale and units used to calculate depth values */ + void (*PolygonOffset)(struct gl_context *ctx, GLfloat factor, GLfloat units); + /** Set the polygon stippling pattern */ + void (*PolygonStipple)(struct gl_context *ctx, const GLubyte *mask ); + /* Specifies the current buffer for reading */ + void (*ReadBuffer)( struct gl_context *ctx, GLenum buffer ); + /** Set rasterization mode */ + void (*RenderMode)(struct gl_context *ctx, GLenum mode ); + /** Define the scissor box */ + void (*Scissor)(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h); + /** Select flat or smooth shading */ + void (*ShadeModel)(struct gl_context *ctx, GLenum mode); + /** OpenGL 2.0 two-sided StencilFunc */ + void (*StencilFuncSeparate)(struct gl_context *ctx, GLenum face, GLenum func, + GLint ref, GLuint mask); + /** OpenGL 2.0 two-sided StencilMask */ + void (*StencilMaskSeparate)(struct gl_context *ctx, GLenum face, GLuint mask); + /** OpenGL 2.0 two-sided StencilOp */ + void (*StencilOpSeparate)(struct gl_context *ctx, GLenum face, GLenum fail, + GLenum zfail, GLenum zpass); + /** Control the generation of texture coordinates */ + void (*TexGen)(struct gl_context *ctx, GLenum coord, GLenum pname, + const GLfloat *params); + /** Set texture environment parameters */ + void (*TexEnv)(struct gl_context *ctx, GLenum target, GLenum pname, + const GLfloat *param); + /** Set texture parameters */ + void (*TexParameter)(struct gl_context *ctx, GLenum target, + struct gl_texture_object *texObj, + GLenum pname, const GLfloat *params); + /** Set the viewport */ + void (*Viewport)(struct gl_context *ctx, GLint x, GLint y, GLsizei w, GLsizei h); + /*@}*/ + + + /** + * \name Vertex/pixel buffer object functions + */ + /*@{*/ + void (*BindBuffer)( struct gl_context *ctx, GLenum target, + struct gl_buffer_object *obj ); + + struct gl_buffer_object * (*NewBufferObject)( struct gl_context *ctx, GLuint buffer, + GLenum target ); + + void (*DeleteBuffer)( struct gl_context *ctx, struct gl_buffer_object *obj ); + + GLboolean (*BufferData)( struct gl_context *ctx, GLenum target, GLsizeiptrARB size, + const GLvoid *data, GLenum usage, + struct gl_buffer_object *obj ); + + void (*BufferSubData)( struct gl_context *ctx, GLenum target, GLintptrARB offset, + GLsizeiptrARB size, const GLvoid *data, + struct gl_buffer_object *obj ); + + void (*GetBufferSubData)( struct gl_context *ctx, GLenum target, + GLintptrARB offset, GLsizeiptrARB size, + GLvoid *data, struct gl_buffer_object *obj ); + + void * (*MapBuffer)( struct gl_context *ctx, GLenum target, GLenum access, + struct gl_buffer_object *obj ); + + void (*CopyBufferSubData)( struct gl_context *ctx, + struct gl_buffer_object *src, + struct gl_buffer_object *dst, + GLintptr readOffset, GLintptr writeOffset, + GLsizeiptr size ); + + /* May return NULL if MESA_MAP_NOWAIT_BIT is set in access: + */ + void * (*MapBufferRange)( struct gl_context *ctx, GLenum target, GLintptr offset, + GLsizeiptr length, GLbitfield access, + struct gl_buffer_object *obj); + + void (*FlushMappedBufferRange)(struct gl_context *ctx, GLenum target, + GLintptr offset, GLsizeiptr length, + struct gl_buffer_object *obj); + + GLboolean (*UnmapBuffer)( struct gl_context *ctx, GLenum target, + struct gl_buffer_object *obj ); + /*@}*/ + + /** + * \name Functions for GL_APPLE_object_purgeable + */ + /*@{*/ + /* variations on ObjectPurgeable */ + GLenum (*BufferObjectPurgeable)( struct gl_context *ctx, struct gl_buffer_object *obj, GLenum option ); + GLenum (*RenderObjectPurgeable)( struct gl_context *ctx, struct gl_renderbuffer *obj, GLenum option ); + GLenum (*TextureObjectPurgeable)( struct gl_context *ctx, struct gl_texture_object *obj, GLenum option ); + + /* variations on ObjectUnpurgeable */ + GLenum (*BufferObjectUnpurgeable)( struct gl_context *ctx, struct gl_buffer_object *obj, GLenum option ); + GLenum (*RenderObjectUnpurgeable)( struct gl_context *ctx, struct gl_renderbuffer *obj, GLenum option ); + GLenum (*TextureObjectUnpurgeable)( struct gl_context *ctx, struct gl_texture_object *obj, GLenum option ); + /*@}*/ + + /** + * \name Functions for GL_EXT_framebuffer_{object,blit}. + */ + /*@{*/ + struct gl_framebuffer * (*NewFramebuffer)(struct gl_context *ctx, GLuint name); + struct gl_renderbuffer * (*NewRenderbuffer)(struct gl_context *ctx, GLuint name); + void (*BindFramebuffer)(struct gl_context *ctx, GLenum target, + struct gl_framebuffer *drawFb, + struct gl_framebuffer *readFb); + void (*FramebufferRenderbuffer)(struct gl_context *ctx, + struct gl_framebuffer *fb, + GLenum attachment, + struct gl_renderbuffer *rb); + void (*RenderTexture)(struct gl_context *ctx, + struct gl_framebuffer *fb, + struct gl_renderbuffer_attachment *att); + void (*FinishRenderTexture)(struct gl_context *ctx, + struct gl_renderbuffer_attachment *att); + void (*ValidateFramebuffer)(struct gl_context *ctx, + struct gl_framebuffer *fb); + /*@}*/ + void (*BlitFramebuffer)(struct gl_context *ctx, + GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, + GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1, + GLbitfield mask, GLenum filter); + + /** + * \name Query objects + */ + /*@{*/ + struct gl_query_object * (*NewQueryObject)(struct gl_context *ctx, GLuint id); + void (*DeleteQuery)(struct gl_context *ctx, struct gl_query_object *q); + void (*BeginQuery)(struct gl_context *ctx, struct gl_query_object *q); + void (*EndQuery)(struct gl_context *ctx, struct gl_query_object *q); + void (*CheckQuery)(struct gl_context *ctx, struct gl_query_object *q); + void (*WaitQuery)(struct gl_context *ctx, struct gl_query_object *q); + /*@}*/ + + + /** + * \name Vertex Array objects + */ + /*@{*/ + struct gl_array_object * (*NewArrayObject)(struct gl_context *ctx, GLuint id); + void (*DeleteArrayObject)(struct gl_context *ctx, struct gl_array_object *obj); + void (*BindArrayObject)(struct gl_context *ctx, struct gl_array_object *obj); + /*@}*/ + + /** + * \name GLSL-related functions (ARB extensions and OpenGL 2.x) + */ + /*@{*/ + struct gl_shader *(*NewShader)(struct gl_context *ctx, GLuint name, GLenum type); + void (*DeleteShader)(struct gl_context *ctx, struct gl_shader *shader); + struct gl_shader_program *(*NewShaderProgram)(struct gl_context *ctx, GLuint name); + void (*DeleteShaderProgram)(struct gl_context *ctx, + struct gl_shader_program *shProg); + void (*UseProgram)(struct gl_context *ctx, struct gl_shader_program *shProg); + /*@}*/ + + + /** + * \name Support for multiple T&L engines + */ + /*@{*/ + + /** + * Bitmask of state changes that require the current T&L module to be + * validated, using ValidateTnlModule() below. + */ + GLuint NeedValidate; + + /** + * Validate the current T&L module. + * + * This is called directly after UpdateState() when a state change that has + * occurred matches the dd_function_table::NeedValidate bitmask above. This + * ensures all computed values are up to date, thus allowing the driver to + * decide if the current T&L module needs to be swapped out. + * + * This must be non-NULL if a driver installs a custom T&L module and sets + * the dd_function_table::NeedValidate bitmask, but may be NULL otherwise. + */ + void (*ValidateTnlModule)( struct gl_context *ctx, GLuint new_state ); + + /** + * Set by the driver-supplied T&L engine. + * + * Set to PRIM_OUTSIDE_BEGIN_END when outside glBegin()/glEnd(). + */ + GLuint CurrentExecPrimitive; + + /** + * Current state of an in-progress compilation. + * + * May take on any of the additional values PRIM_OUTSIDE_BEGIN_END, + * PRIM_INSIDE_UNKNOWN_PRIM or PRIM_UNKNOWN defined above. + */ + GLuint CurrentSavePrimitive; + + +#define FLUSH_STORED_VERTICES 0x1 +#define FLUSH_UPDATE_CURRENT 0x2 + /** + * Set by the driver-supplied T&L engine whenever vertices are buffered + * between glBegin()/glEnd() objects or __struct gl_contextRec::Current is not + * updated. + * + * The dd_function_table::FlushVertices call below may be used to resolve + * these conditions. + */ + GLuint NeedFlush; + GLuint SaveNeedFlush; + + + /* Called prior to any of the GLvertexformat functions being + * called. Paired with Driver.FlushVertices(). + */ + void (*BeginVertices)( struct gl_context *ctx ); + + /** + * If inside glBegin()/glEnd(), it should ASSERT(0). Otherwise, if + * FLUSH_STORED_VERTICES bit in \p flags is set flushes any buffered + * vertices, if FLUSH_UPDATE_CURRENT bit is set updates + * __struct gl_contextRec::Current and gl_light_attrib::Material + * + * Note that the default T&L engine never clears the + * FLUSH_UPDATE_CURRENT bit, even after performing the update. + */ + void (*FlushVertices)( struct gl_context *ctx, GLuint flags ); + void (*SaveFlushVertices)( struct gl_context *ctx ); + + /** + * Give the driver the opportunity to hook in its own vtxfmt for + * compiling optimized display lists. This is called on each valid + * glBegin() during list compilation. + */ + GLboolean (*NotifySaveBegin)( struct gl_context *ctx, GLenum mode ); + + /** + * Notify driver that the special derived value _NeedEyeCoords has + * changed. + */ + void (*LightingSpaceChange)( struct gl_context *ctx ); + + /** + * Called by glNewList(). + * + * Let the T&L component know what is going on with display lists + * in time to make changes to dispatch tables, etc. + */ + void (*NewList)( struct gl_context *ctx, GLuint list, GLenum mode ); + /** + * Called by glEndList(). + * + * \sa dd_function_table::NewList. + */ + void (*EndList)( struct gl_context *ctx ); + + /** + * Called by glCallList(s). + * + * Notify the T&L component before and after calling a display list. + */ + void (*BeginCallList)( struct gl_context *ctx, + struct gl_display_list *dlist ); + /** + * Called by glEndCallList(). + * + * \sa dd_function_table::BeginCallList. + */ + void (*EndCallList)( struct gl_context *ctx ); + + + /** + * \name GL_ARB_sync interfaces + */ + /*@{*/ + struct gl_sync_object * (*NewSyncObject)(struct gl_context *, GLenum); + void (*FenceSync)(struct gl_context *, struct gl_sync_object *, GLenum, GLbitfield); + void (*DeleteSyncObject)(struct gl_context *, struct gl_sync_object *); + void (*CheckSync)(struct gl_context *, struct gl_sync_object *); + void (*ClientWaitSync)(struct gl_context *, struct gl_sync_object *, + GLbitfield, GLuint64); + void (*ServerWaitSync)(struct gl_context *, struct gl_sync_object *, + GLbitfield, GLuint64); + /*@}*/ + + /** GL_NV_conditional_render */ + void (*BeginConditionalRender)(struct gl_context *ctx, struct gl_query_object *q, + GLenum mode); + void (*EndConditionalRender)(struct gl_context *ctx, struct gl_query_object *q); + + /** + * \name GL_OES_draw_texture interface + */ + /*@{*/ + void (*DrawTex)(struct gl_context *ctx, GLfloat x, GLfloat y, GLfloat z, + GLfloat width, GLfloat height); + /*@}*/ + + /** + * \name GL_OES_EGL_image interface + */ + void (*EGLImageTargetTexture2D)(struct gl_context *ctx, GLenum target, + struct gl_texture_object *texObj, + struct gl_texture_image *texImage, + GLeglImageOES image_handle); + void (*EGLImageTargetRenderbufferStorage)(struct gl_context *ctx, + struct gl_renderbuffer *rb, + void *image_handle); + + /** + * \name GL_EXT_transform_feedback interface + */ + struct gl_transform_feedback_object * + (*NewTransformFeedback)(struct gl_context *ctx, GLuint name); + void (*DeleteTransformFeedback)(struct gl_context *ctx, + struct gl_transform_feedback_object *obj); + void (*BeginTransformFeedback)(struct gl_context *ctx, GLenum mode, + struct gl_transform_feedback_object *obj); + void (*EndTransformFeedback)(struct gl_context *ctx, + struct gl_transform_feedback_object *obj); + void (*PauseTransformFeedback)(struct gl_context *ctx, + struct gl_transform_feedback_object *obj); + void (*ResumeTransformFeedback)(struct gl_context *ctx, + struct gl_transform_feedback_object *obj); + void (*DrawTransformFeedback)(struct gl_context *ctx, GLenum mode, + struct gl_transform_feedback_object *obj); +}; + + +/** + * Transform/Clip/Lighting interface + * + * Drivers present a reduced set of the functions possible in + * glBegin()/glEnd() objects. Core mesa provides translation stubs for the + * remaining functions to map down to these entry points. + * + * These are the initial values to be installed into dispatch by + * mesa. If the T&L driver wants to modify the dispatch table + * while installed, it must do so itself. It would be possible for + * the vertexformat to install its own initial values for these + * functions, but this way there is an obvious list of what is + * expected of the driver. + * + * If the driver wants to hook in entry points other than those + * listed, it must restore them to their original values in + * the disable() callback, below. + */ +typedef struct { + /** + * \name Vertex + */ + /*@{*/ + void (GLAPIENTRYP ArrayElement)( GLint ); + void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP Color3fv)( const GLfloat * ); + void (GLAPIENTRYP Color4f)( GLfloat, GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP Color4fv)( const GLfloat * ); + void (GLAPIENTRYP EdgeFlag)( GLboolean ); + void (GLAPIENTRYP EvalCoord1f)( GLfloat ); + void (GLAPIENTRYP EvalCoord1fv)( const GLfloat * ); + void (GLAPIENTRYP EvalCoord2f)( GLfloat, GLfloat ); + void (GLAPIENTRYP EvalCoord2fv)( const GLfloat * ); + void (GLAPIENTRYP EvalPoint1)( GLint ); + void (GLAPIENTRYP EvalPoint2)( GLint, GLint ); + void (GLAPIENTRYP FogCoordfEXT)( GLfloat ); + void (GLAPIENTRYP FogCoordfvEXT)( const GLfloat * ); + void (GLAPIENTRYP Indexf)( GLfloat ); + void (GLAPIENTRYP Indexfv)( const GLfloat * ); + void (GLAPIENTRYP Materialfv)( GLenum face, GLenum pname, const GLfloat * ); + void (GLAPIENTRYP MultiTexCoord1fARB)( GLenum, GLfloat ); + void (GLAPIENTRYP MultiTexCoord1fvARB)( GLenum, const GLfloat * ); + void (GLAPIENTRYP MultiTexCoord2fARB)( GLenum, GLfloat, GLfloat ); + void (GLAPIENTRYP MultiTexCoord2fvARB)( GLenum, const GLfloat * ); + void (GLAPIENTRYP MultiTexCoord3fARB)( GLenum, GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP MultiTexCoord3fvARB)( GLenum, const GLfloat * ); + void (GLAPIENTRYP MultiTexCoord4fARB)( GLenum, GLfloat, GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP MultiTexCoord4fvARB)( GLenum, const GLfloat * ); + void (GLAPIENTRYP Normal3f)( GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP Normal3fv)( const GLfloat * ); + void (GLAPIENTRYP SecondaryColor3fEXT)( GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP SecondaryColor3fvEXT)( const GLfloat * ); + void (GLAPIENTRYP TexCoord1f)( GLfloat ); + void (GLAPIENTRYP TexCoord1fv)( const GLfloat * ); + void (GLAPIENTRYP TexCoord2f)( GLfloat, GLfloat ); + void (GLAPIENTRYP TexCoord2fv)( const GLfloat * ); + void (GLAPIENTRYP TexCoord3f)( GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP TexCoord3fv)( const GLfloat * ); + void (GLAPIENTRYP TexCoord4f)( GLfloat, GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP TexCoord4fv)( const GLfloat * ); + void (GLAPIENTRYP Vertex2f)( GLfloat, GLfloat ); + void (GLAPIENTRYP Vertex2fv)( const GLfloat * ); + void (GLAPIENTRYP Vertex3f)( GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP Vertex3fv)( const GLfloat * ); + void (GLAPIENTRYP Vertex4f)( GLfloat, GLfloat, GLfloat, GLfloat ); + void (GLAPIENTRYP Vertex4fv)( const GLfloat * ); + void (GLAPIENTRYP CallList)( GLuint ); + void (GLAPIENTRYP CallLists)( GLsizei, GLenum, const GLvoid * ); + void (GLAPIENTRYP Begin)( GLenum ); + void (GLAPIENTRYP End)( void ); + void (GLAPIENTRYP PrimitiveRestartNV)( void ); + /* GL_NV_vertex_program */ + void (GLAPIENTRYP VertexAttrib1fNV)( GLuint index, GLfloat x ); + void (GLAPIENTRYP VertexAttrib1fvNV)( GLuint index, const GLfloat *v ); + void (GLAPIENTRYP VertexAttrib2fNV)( GLuint index, GLfloat x, GLfloat y ); + void (GLAPIENTRYP VertexAttrib2fvNV)( GLuint index, const GLfloat *v ); + void (GLAPIENTRYP VertexAttrib3fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z ); + void (GLAPIENTRYP VertexAttrib3fvNV)( GLuint index, const GLfloat *v ); + void (GLAPIENTRYP VertexAttrib4fNV)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w ); + void (GLAPIENTRYP VertexAttrib4fvNV)( GLuint index, const GLfloat *v ); + /* GL_ARB_vertex_program */ + void (GLAPIENTRYP VertexAttrib1fARB)( GLuint index, GLfloat x ); + void (GLAPIENTRYP VertexAttrib1fvARB)( GLuint index, const GLfloat *v ); + void (GLAPIENTRYP VertexAttrib2fARB)( GLuint index, GLfloat x, GLfloat y ); + void (GLAPIENTRYP VertexAttrib2fvARB)( GLuint index, const GLfloat *v ); + void (GLAPIENTRYP VertexAttrib3fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z ); + void (GLAPIENTRYP VertexAttrib3fvARB)( GLuint index, const GLfloat *v ); + void (GLAPIENTRYP VertexAttrib4fARB)( GLuint index, GLfloat x, GLfloat y, GLfloat z, GLfloat w ); + void (GLAPIENTRYP VertexAttrib4fvARB)( GLuint index, const GLfloat *v ); + + /* GL_EXT_gpu_shader4 / GL 3.0 */ + void (GLAPIENTRYP VertexAttribI1i)( GLuint index, GLint x); + void (GLAPIENTRYP VertexAttribI2i)( GLuint index, GLint x, GLint y); + void (GLAPIENTRYP VertexAttribI3i)( GLuint index, GLint x, GLint y, GLint z); + void (GLAPIENTRYP VertexAttribI4i)( GLuint index, GLint x, GLint y, GLint z, GLint w); + void (GLAPIENTRYP VertexAttribI2iv)( GLuint index, const GLint *v); + void (GLAPIENTRYP VertexAttribI3iv)( GLuint index, const GLint *v); + void (GLAPIENTRYP VertexAttribI4iv)( GLuint index, const GLint *v); + + void (GLAPIENTRYP VertexAttribI1ui)( GLuint index, GLuint x); + void (GLAPIENTRYP VertexAttribI2ui)( GLuint index, GLuint x, GLuint y); + void (GLAPIENTRYP VertexAttribI3ui)( GLuint index, GLuint x, GLuint y, GLuint z); + void (GLAPIENTRYP VertexAttribI4ui)( GLuint index, GLuint x, GLuint y, GLuint z, GLuint w); + void (GLAPIENTRYP VertexAttribI2uiv)( GLuint index, const GLuint *v); + void (GLAPIENTRYP VertexAttribI3uiv)( GLuint index, const GLuint *v); + void (GLAPIENTRYP VertexAttribI4uiv)( GLuint index, const GLuint *v); + + /*@}*/ + + void (GLAPIENTRYP Rectf)( GLfloat, GLfloat, GLfloat, GLfloat ); + + /** + * \name Array + */ + /*@{*/ + void (GLAPIENTRYP DrawArrays)( GLenum mode, GLint start, GLsizei count ); + void (GLAPIENTRYP DrawElements)( GLenum mode, GLsizei count, GLenum type, + const GLvoid *indices ); + void (GLAPIENTRYP DrawRangeElements)( GLenum mode, GLuint start, + GLuint end, GLsizei count, + GLenum type, const GLvoid *indices ); + void (GLAPIENTRYP MultiDrawElementsEXT)( GLenum mode, const GLsizei *count, + GLenum type, + const GLvoid **indices, + GLsizei primcount); + void (GLAPIENTRYP DrawElementsBaseVertex)( GLenum mode, GLsizei count, + GLenum type, + const GLvoid *indices, + GLint basevertex ); + void (GLAPIENTRYP DrawRangeElementsBaseVertex)( GLenum mode, GLuint start, + GLuint end, GLsizei count, + GLenum type, + const GLvoid *indices, + GLint basevertex); + void (GLAPIENTRYP MultiDrawElementsBaseVertex)( GLenum mode, + const GLsizei *count, + GLenum type, + const GLvoid **indices, + GLsizei primcount, + const GLint *basevertex); + void (GLAPIENTRYP DrawArraysInstanced)(GLenum mode, GLint first, + GLsizei count, GLsizei primcount); + void (GLAPIENTRYP DrawElementsInstanced)(GLenum mode, GLsizei count, + GLenum type, const GLvoid *indices, + GLsizei primcount); + /*@}*/ + + /** + * \name Eval + * + * If you don't support eval, fallback to the default vertex format + * on receiving an eval call and use the pipeline mechanism to + * provide partial T&L acceleration. + * + * Mesa will provide a set of helper functions to do eval within + * accelerated vertex formats, eventually... + */ + /*@{*/ + void (GLAPIENTRYP EvalMesh1)( GLenum mode, GLint i1, GLint i2 ); + void (GLAPIENTRYP EvalMesh2)( GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2 ); + /*@}*/ + +} GLvertexformat; + + +#endif /* DD_INCLUDED */ |