mirror of
https://github.com/reactos/reactos.git
synced 2024-07-08 21:55:08 +00:00
769 lines
29 KiB
C
769 lines
29 KiB
C
/**
|
|
* \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_renderbuffer;
|
|
struct gl_renderbuffer_attachment;
|
|
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 actual hardware texture format given the user-provided source
|
|
* image format and type and the desired internal format. In some
|
|
* cases, srcFormat and srcType can be GL_NONE.
|
|
* Called by glTexImage(), etc.
|
|
*/
|
|
gl_format (*ChooseTextureFormat)( struct gl_context *ctx, GLint internalFormat,
|
|
GLenum srcFormat, GLenum srcType );
|
|
|
|
/**
|
|
* Called by glTexImage1D(). Simply copy the source texture data into the
|
|
* destination texture memory. The gl_texture_image fields, etc. will be
|
|
* fully initialized.
|
|
* The parameters are the same as glTexImage1D(), plus:
|
|
* \param packing describes how to unpack the source data.
|
|
* \param texImage is the destination texture image.
|
|
*/
|
|
void (*TexImage1D)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
GLint internalFormat,
|
|
GLint width, GLint border,
|
|
GLenum format, GLenum type, const GLvoid *pixels,
|
|
const struct gl_pixelstore_attrib *packing);
|
|
|
|
/**
|
|
* Called by glTexImage2D().
|
|
*
|
|
* \sa dd_function_table::TexImage1D.
|
|
*/
|
|
void (*TexImage2D)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
GLint internalFormat,
|
|
GLint width, GLint height, GLint border,
|
|
GLenum format, GLenum type, const GLvoid *pixels,
|
|
const struct gl_pixelstore_attrib *packing);
|
|
|
|
/**
|
|
* Called by glTexSubImage1D(). Replace a subset of the target texture
|
|
* with new texel data.
|
|
* \sa dd_function_table::TexImage1D.
|
|
*/
|
|
void (*TexSubImage1D)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
GLint xoffset, GLsizei width,
|
|
GLenum format, GLenum type,
|
|
const GLvoid *pixels,
|
|
const struct gl_pixelstore_attrib *packing);
|
|
|
|
/**
|
|
* Called by glTexSubImage2D().
|
|
*
|
|
* \sa dd_function_table::TexSubImage1D.
|
|
*/
|
|
void (*TexSubImage2D)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
GLint xoffset, GLint yoffset,
|
|
GLsizei width, GLsizei height,
|
|
GLenum format, GLenum type,
|
|
const GLvoid *pixels,
|
|
const struct gl_pixelstore_attrib *packing);
|
|
|
|
|
|
/**
|
|
* Called by glGetTexImage().
|
|
*/
|
|
void (*GetTexImage)( struct gl_context *ctx,
|
|
GLenum format, GLenum type, GLvoid *pixels,
|
|
struct gl_texture_image *texImage );
|
|
|
|
/**
|
|
* Called by glCopyTexSubImage1D() and glCopyTexImage1D().
|
|
*/
|
|
void (*CopyTexSubImage1D)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
GLint xoffset,
|
|
struct gl_renderbuffer *rb,
|
|
GLint x, GLint y, GLsizei width);
|
|
|
|
/**
|
|
* Called by glCopyTexSubImage2D() and glCopyTexImage2D().
|
|
*/
|
|
void (*CopyTexSubImage2D)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
GLint xoffset, GLint yoffset,
|
|
struct gl_renderbuffer *rb,
|
|
GLint x, GLint y,
|
|
GLsizei width, GLsizei height);
|
|
|
|
/**
|
|
* 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().
|
|
* The parameters are the same as for glCompressedTexImage1D(), plus a
|
|
* pointer to the destination texure image.
|
|
*/
|
|
void (*CompressedTexImage1D)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
GLint internalFormat,
|
|
GLsizei width, GLint border,
|
|
GLsizei imageSize, const GLvoid *data);
|
|
/**
|
|
* Called by glCompressedTexImage2D().
|
|
*
|
|
* \sa dd_function_table::CompressedTexImage1D.
|
|
*/
|
|
void (*CompressedTexImage2D)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
GLint internalFormat,
|
|
GLsizei width, GLsizei height, GLint border,
|
|
GLsizei imageSize, const GLvoid *data);
|
|
|
|
/**
|
|
* Called by glCompressedTexSubImage1D().
|
|
*/
|
|
void (*CompressedTexSubImage1D)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
GLint xoffset, GLsizei width,
|
|
GLenum format,
|
|
GLsizei imageSize, const GLvoid *data);
|
|
|
|
/**
|
|
* Called by glCompressedTexSubImage2D().
|
|
*/
|
|
void (*CompressedTexSubImage2D)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
GLint xoffset, GLint yoffset,
|
|
GLsizei width, GLint height,
|
|
GLenum format,
|
|
GLsizei imageSize, const GLvoid *data);
|
|
/*@}*/
|
|
|
|
/**
|
|
* \name Texture object / image functions
|
|
*/
|
|
/*@{*/
|
|
|
|
/**
|
|
* Called by glBindTexture().
|
|
*/
|
|
void (*BindTexture)( struct gl_context *ctx, GLenum target,
|
|
struct gl_texture_object *tObj );
|
|
|
|
/**
|
|
* Called to allocate a new texture object. Drivers will usually
|
|
* allocate/return a subclass of gl_texture_object.
|
|
*/
|
|
struct gl_texture_object * (*NewTextureObject)(struct gl_context *ctx,
|
|
GLuint name, GLenum target);
|
|
/**
|
|
* Called to delete/free a texture object. Drivers should free the
|
|
* object and any image data it contains.
|
|
*/
|
|
void (*DeleteTexture)(struct gl_context *ctx,
|
|
struct gl_texture_object *texObj);
|
|
|
|
/** Called to allocate a new texture image object. */
|
|
struct gl_texture_image * (*NewTextureImage)(struct gl_context *ctx);
|
|
|
|
/** Called to free a texture image object returned by NewTextureImage() */
|
|
void (*DeleteTextureImage)(struct gl_context *ctx,
|
|
struct gl_texture_image *);
|
|
|
|
/** Called to allocate memory for a single texture image */
|
|
GLboolean (*AllocTextureImageBuffer)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
gl_format format, GLsizei width,
|
|
GLsizei height, GLsizei depth);
|
|
|
|
/** Free the memory for a single texture image */
|
|
void (*FreeTextureImageBuffer)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage);
|
|
|
|
/** Map a slice of a texture image into user space.
|
|
* Note: for GL_TEXTURE_1D_ARRAY, height must be 1, y must be 0 and slice
|
|
* indicates the 1D array index.
|
|
* \param texImage the texture image
|
|
* \param slice the 3D image slice or array texture slice
|
|
* \param x, y, w, h region of interest
|
|
* \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and
|
|
* GL_MAP_INVALIDATE_RANGE_BIT (if writing)
|
|
* \param mapOut returns start of mapping of region of interest
|
|
* \param rowStrideOut returns row stride (in bytes)
|
|
*/
|
|
void (*MapTextureImage)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
GLuint slice,
|
|
GLuint x, GLuint y, GLuint w, GLuint h,
|
|
GLbitfield mode,
|
|
GLubyte **mapOut, GLint *rowStrideOut);
|
|
|
|
void (*UnmapTextureImage)(struct gl_context *ctx,
|
|
struct gl_texture_image *texImage,
|
|
GLuint slice);
|
|
|
|
/** For GL_ARB_texture_storage. Allocate memory for whole mipmap stack.
|
|
* All the gl_texture_images in the texture object will have their
|
|
* dimensions, format, etc. initialized already.
|
|
*/
|
|
GLboolean (*AllocTextureStorage)(struct gl_context *ctx,
|
|
struct gl_texture_object *texObj,
|
|
GLsizei levels, GLsizei width,
|
|
GLsizei height, GLsizei depth);
|
|
|
|
/**
|
|
* Map a renderbuffer into user space.
|
|
* \param mode bitmask of GL_MAP_READ_BIT, GL_MAP_WRITE_BIT and
|
|
* GL_MAP_INVALIDATE_RANGE_BIT (if writing)
|
|
*/
|
|
void (*MapRenderbuffer)(struct gl_context *ctx,
|
|
struct gl_renderbuffer *rb,
|
|
GLuint x, GLuint y, GLuint w, GLuint h,
|
|
GLbitfield mode,
|
|
GLubyte **mapOut, GLint *rowStrideOut);
|
|
|
|
void (*UnmapRenderbuffer)(struct gl_context *ctx,
|
|
struct gl_renderbuffer *rb);
|
|
|
|
/*@}*/
|
|
|
|
/**
|
|
* \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);
|
|
/** Specify clear values for the color buffers */
|
|
void (*ClearColor)(struct gl_context *ctx,
|
|
const union gl_color_union color);
|
|
/** 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 );
|
|
/** 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 );
|
|
/** 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);
|
|
/** 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, GLintptrARB offset,
|
|
GLsizeiptrARB size, const GLvoid *data,
|
|
struct gl_buffer_object *obj );
|
|
|
|
void (*GetBufferSubData)( struct gl_context *ctx,
|
|
GLintptrARB offset, GLsizeiptrARB size,
|
|
GLvoid *data, struct gl_buffer_object *obj );
|
|
|
|
/* May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
|
|
*/
|
|
void * (*MapBufferRange)( struct gl_context *ctx, GLintptr offset,
|
|
GLsizeiptr length, GLbitfield access,
|
|
struct gl_buffer_object *obj);
|
|
|
|
void (*FlushMappedBufferRange)(struct gl_context *ctx,
|
|
GLintptr offset, GLsizeiptr length,
|
|
struct gl_buffer_object *obj);
|
|
|
|
GLboolean (*UnmapBuffer)( struct gl_context *ctx,
|
|
struct gl_buffer_object *obj );
|
|
/*@}*/
|
|
|
|
|
|
/**
|
|
* \name Support for multiple T&L engines
|
|
*/
|
|
/*@{*/
|
|
|
|
/**
|
|
* 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 );
|
|
|
|
/**
|
|
* \brief Hook for drivers to prepare for a glBegin/glEnd block
|
|
*
|
|
* This hook is called in vbo_exec_Begin() before any action, including
|
|
* state updates, occurs.
|
|
*/
|
|
void (*PrepareExecBegin)( 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 );
|
|
|
|
/**@}*/
|
|
};
|
|
|
|
|
|
/**
|
|
* 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 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 );
|
|
/* 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 );
|
|
|
|
/*@}*/
|
|
|
|
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 );
|
|
/*@}*/
|
|
|
|
/**
|
|
* \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 */
|