/*
* Mesa 3-D graphics library
- * Version: 6.5.2
*
* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
*
* 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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.
*/
*/
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.
*/
/*@{*/
/**
- * 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.
+ * Choose actual hardware texture format given the texture target, the
+ * user-provided source image format and type and the desired internal
+ * format. In some cases, srcFormat and srcType can be GL_NONE.
+ * Note: target may be GL_TEXTURE_CUBE_MAP, but never
+ * GL_TEXTURE_CUBE_MAP_[POSITIVE/NEGATIVE]_[XYZ].
* Called by glTexImage(), etc.
*/
- gl_format (*ChooseTextureFormat)( struct gl_context *ctx, GLint internalFormat,
+ gl_format (*ChooseTextureFormat)( struct gl_context *ctx,
+ GLenum target, 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 texObj is the target texture object.
- * \param texImage is the target texture image.
- */
- 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(). Replace a subset of the target texture
- * with new texel data.
- * \sa dd_function_table::TexImage1D.
- */
- 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().
+ * Determine sample counts support for a particular target and format
*
- * \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().
+ * \param ctx GL context
+ * \param target GL target enum
+ * \param internalFormat GL format enum
+ * \param samples Buffer to hold the returned sample counts.
+ * Drivers \b must \b not return more than 16 counts.
*
- * \sa dd_function_table::TexSubImage1D.
+ * \returns
+ * The number of sample counts actually written to \c samples. If
+ * \c internaFormat is not renderable, zero is returned.
*/
- 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 );
+ size_t (*QuerySamplesForFormat)(struct gl_context *ctx,
+ GLenum target,
+ GLenum internalFormat,
+ int samples[16]);
/**
- * Called by glGetTexImage().
+ * Called by glTexImage[123]D() and glCopyTexImage[12]D()
+ * Allocate texture memory and copy the user's image to the buffer.
+ * The gl_texture_image fields, etc. will be fully initialized.
+ * The parameters are the same as glTexImage3D(), plus:
+ * \param dims 1, 2, or 3 indicating glTexImage1/2/3D()
+ * \param packing describes how to unpack the source data.
+ * \param texImage is the destination texture image.
*/
- void (*GetTexImage)( struct gl_context *ctx,
- GLenum format, GLenum type, GLvoid *pixels,
- struct gl_texture_image *texImage );
+ void (*TexImage)(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLenum format, GLenum type, const GLvoid *pixels,
+ const struct gl_pixelstore_attrib *packing);
/**
- * Called by glCopyTexSubImage1D().
- *
- * Drivers should use a fallback routine from texstore.c if needed.
+ * Called by glTexSubImage[123]D().
+ * Replace a subset of the target texture with new texel data.
*/
- void (*CopyTexSubImage1D)( struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset,
- GLint x, GLint y, GLsizei width );
+ void (*TexSubImage)(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ 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);
+
+
/**
- * Called by glCopyTexSubImage2D().
- *
- * Drivers should use a fallback routine from texstore.c if needed.
+ * Called by glGetTexImage().
*/
- void (*CopyTexSubImage2D)( struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset,
- GLint x, GLint y,
- GLsizei width, GLsizei height );
+ void (*GetTexImage)( struct gl_context *ctx,
+ GLenum format, GLenum type, GLvoid *pixels,
+ struct gl_texture_image *texImage );
+
/**
- * Called by glCopyTexSubImage3D().
- *
- * Drivers should use a fallback routine from texstore.c if needed.
+ * Called by glCopyTex[Sub]Image[123]D().
+ *
+ * This function should copy a rectangular region in the rb to a single
+ * destination slice, specified by @slice. In the case of 1D array
+ * textures (where one GL call can potentially affect multiple destination
+ * slices), core mesa takes care of calling this function multiple times,
+ * once for each scanline to be copied.
*/
- void (*CopyTexSubImage3D)( struct gl_context *ctx, GLenum target, GLint level,
- GLint xoffset, GLint yoffset, GLint zoffset,
- GLint x, GLint y,
- GLsizei width, GLsizei height );
+ void (*CopyTexSubImage)(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLint xoffset, GLint yoffset, GLint slice,
+ struct gl_renderbuffer *rb,
+ GLint x, GLint y,
+ GLsizei width, GLsizei height);
/**
* Called by glGenerateMipmap() or when GL_GENERATE_MIPMAP_SGIS is enabled.
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.
+ * Called by glTexImage, glCompressedTexImage, glCopyTexImage
+ * and glTexStorage to check if the dimensions of the texture image
+ * are too large.
+ * \param target any GL_PROXY_TEXTURE_x target
+ * \return GL_TRUE if the image is OK, GL_FALSE if too large
*/
GLboolean (*TestProxyTexImage)(struct gl_context *ctx, GLenum target,
- GLint level, GLint internalFormat,
- GLenum format, GLenum type,
+ GLint level, gl_format format,
GLint width, GLint height,
GLint depth, GLint border);
/*@}*/
/*@{*/
/**
- * 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.
+ * Called by glCompressedTexImage[123]D().
*/
- 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);
+ void (*CompressedTexImage)(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLsizei imageSize, const GLvoid *data);
+
/**
- * Called by glCompressedTexSubImage3D().
- *
- * \sa dd_function_table::CompressedTexImage3D.
+ * Called by glCompressedTexSubImage[123]D().
*/
- 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);
-
+ void (*CompressedTexSubImage)(struct gl_context *ctx, GLuint dims,
+ struct gl_texture_image *texImage,
+ GLint xoffset, GLint yoffset, GLint zoffset,
+ GLsizei width, GLint height, GLint depth,
+ GLenum format,
+ GLsizei imageSize, const GLvoid *data);
/**
* 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);
-
+ void (*GetCompressedTexImage)(struct gl_context *ctx,
+ struct gl_texture_image *texImage,
+ GLvoid *data);
/*@}*/
/**
- * \name Texture object functions
+ * \name Texture object / image functions
*/
/*@{*/
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.
+ * 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 );
+ 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.
+ * 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 *tObj );
+ 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 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,
/** 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);
+ struct gl_texture_image *texImage);
- /**
- * Called to free tImage->Data.
- */
- void (*FreeTextureImageBuffer)( struct gl_context *ctx, struct gl_texture_image *tImage );
+ /** 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
+ * \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)
+ * \param rowStrideOut returns row stride (in bytes). In the case of a
+ * compressed texture, this is the byte stride between one row of blocks
+ * and another.
*/
void (*MapTextureImage)(struct gl_context *ctx,
struct gl_texture_image *texImage,
struct gl_texture_image *texImage,
GLuint slice);
- /** 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 );
-
/** 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.
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,
GLboolean (*ProgramStringNotify)(struct gl_context *ctx, GLenum target,
struct gl_program *prog);
+ /**
+ * Notify driver that the sampler uniforms for the current program have
+ * changed. On some drivers, this may require shader recompiles.
+ */
+ void (*SamplerUniformChange)(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);
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 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 */
GLintptr readOffset, GLintptr writeOffset,
GLsizeiptr size );
- /* May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
+ /* Returns pointer to the start of the mapped range.
+ * May return NULL if MESA_MAP_NOWAIT_BIT is set in access:
*/
void * (*MapBufferRange)( struct gl_context *ctx, GLintptr offset,
GLsizeiptr length, GLbitfield access,
/*@}*/
/**
- * \name Functions for GL_EXT_framebuffer_{object,blit}.
+ * \name Functions for GL_EXT_framebuffer_{object,blit,discard}.
*/
/*@{*/
struct gl_framebuffer * (*NewFramebuffer)(struct gl_context *ctx, GLuint name);
struct gl_framebuffer *fb,
struct gl_renderbuffer_attachment *att);
void (*FinishRenderTexture)(struct gl_context *ctx,
- struct gl_renderbuffer_attachment *att);
+ struct gl_renderbuffer *rb);
void (*ValidateFramebuffer)(struct gl_context *ctx,
struct gl_framebuffer *fb);
/*@}*/
GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1,
GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter);
+ void (*DiscardFramebuffer)(struct gl_context *ctx,
+ GLenum target, GLsizei numAttachments, const GLenum *attachments);
/**
* \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 (*QueryCounter)(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 Performance monitors
+ */
+ /*@{*/
+ struct gl_perf_monitor_object * (*NewPerfMonitor)(struct gl_context *ctx);
+ void (*DeletePerfMonitor)(struct gl_context *ctx,
+ struct gl_perf_monitor_object *m);
+ GLboolean (*BeginPerfMonitor)(struct gl_context *ctx,
+ struct gl_perf_monitor_object *m);
+
+ /** Stop an active performance monitor, discarding results. */
+ void (*ResetPerfMonitor)(struct gl_context *ctx,
+ struct gl_perf_monitor_object *m);
+ void (*EndPerfMonitor)(struct gl_context *ctx,
+ struct gl_perf_monitor_object *m);
+ GLboolean (*IsPerfMonitorResultAvailable)(struct gl_context *ctx,
+ struct gl_perf_monitor_object *m);
+ void (*GetPerfMonitorResult)(struct gl_context *ctx,
+ struct gl_perf_monitor_object *m,
+ GLsizei dataSize,
+ GLuint *data,
+ GLint *bytesWritten);
+ /*@}*/
+
/**
* \name Vertex Array objects
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.
+ * Current glBegin state of an in-progress compilation. May be
+ * GL_POINTS, GL_TRIANGLE_STRIP, etc. or PRIM_OUTSIDE_BEGIN_END
+ * or PRIM_UNKNOWN.
*/
GLuint CurrentSavePrimitive;
#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.
+ * between glBegin()/glEnd() objects or __struct gl_contextRec::Current
+ * is not updated. A bitmask of the FLUSH_x values above.
*
* The dd_function_table::FlushVertices call below may be used to resolve
* these conditions.
*/
- GLuint NeedFlush;
- GLuint SaveNeedFlush;
+ GLbitfield NeedFlush;
+ /** Need to call SaveFlushVertices() upon state change? */
+ GLboolean SaveNeedFlush;
/* Called prior to any of the GLvertexformat functions being
* called. Paired with Driver.FlushVertices().
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
void (*ResumeTransformFeedback)(struct gl_context *ctx,
struct gl_transform_feedback_object *obj);
+ /**
+ * Return the number of vertices written to a stream during the last
+ * Begin/EndTransformFeedback block.
+ */
+ GLsizei (*GetTransformFeedbackVertexCount)(struct gl_context *ctx,
+ struct gl_transform_feedback_object *obj,
+ GLuint stream);
+
/**
* \name GL_NV_texture_barrier interface
*/
GLuint name);
void (*DeleteSamplerObject)(struct gl_context *ctx,
struct gl_sampler_object *samp);
+
+ /**
+ * \name Return a timestamp in nanoseconds as defined by GL_ARB_timer_query.
+ * This should be equivalent to glGetInteger64v(GL_TIMESTAMP);
+ */
+ uint64_t (*GetTimestamp)(struct gl_context *ctx);
+
+ /**
+ * \name GL_ARB_texture_multisample
+ */
+ void (*GetSamplePosition)(struct gl_context *ctx,
+ struct gl_framebuffer *fb,
+ GLuint index,
+ GLfloat *outValue);
+
+ /**
+ * \name NV_vdpau_interop interface
+ */
+ void (*VDPAUMapSurface)(struct gl_context *ctx, GLenum target,
+ GLenum access, GLboolean output,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage,
+ const GLvoid *vdpSurface, GLuint index);
+ void (*VDPAUUnmapSurface)(struct gl_context *ctx, GLenum target,
+ GLenum access, GLboolean output,
+ struct gl_texture_object *texObj,
+ struct gl_texture_image *texImage,
+ const GLvoid *vdpSurface, GLuint index);
+
+ /**
+ * Query reset status for GL_ARB_robustness
+ *
+ * Per \c glGetGraphicsResetStatusARB, this function should return a
+ * non-zero value once after a reset. If a reset is non-atomic, the
+ * non-zero status should be returned for the duration of the reset.
+ */
+ GLenum (*GetGraphicsResetStatus)(struct gl_context *ctx);
};
/**
- * Transform/Clip/Lighting interface
+ * Per-vertex functions.
*
- * 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 functions which can appear between glBegin and glEnd.
+ * Depending on whether we're inside or outside a glBegin/End pair
+ * and whether we're in immediate mode or building a display list, these
+ * functions behave differently. This structure allows us to switch
+ * between those modes more easily.
*
- * 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.
+ * Generally, these pointers point to functions in the VBO module.
*/
typedef struct {
- /**
- * \name Vertex
- */
- /*@{*/
void (GLAPIENTRYP ArrayElement)( GLint );
void (GLAPIENTRYP Color3f)( GLfloat, GLfloat, GLfloat );
void (GLAPIENTRYP Color3fv)( const GLfloat * );
void (GLAPIENTRYP Begin)( GLenum );
void (GLAPIENTRYP End)( void );
void (GLAPIENTRYP PrimitiveRestartNV)( void );
- /* GL_NV_vertex_program */
+ /* Originally for GL_NV_vertex_program, now used only dlist.c and friends */
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 VertexAttribP4uiv)( GLuint index, GLenum type,
GLboolean normalized,
const GLuint *value);
-
- /*@}*/
-
- 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);
- void (GLAPIENTRYP DrawElementsInstancedBaseVertex)(GLenum mode, GLsizei count,
- GLenum type, const GLvoid *indices,
- GLsizei primcount, GLint basevertex);
- void (GLAPIENTRYP DrawTransformFeedback)(GLenum mode, GLuint name);
- /*@}*/
-
- /**
- * \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;
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