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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/swrast/swrast.h')
-rw-r--r-- | nx-X11/extras/Mesa/src/mesa/swrast/swrast.h | 299 |
1 files changed, 0 insertions, 299 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/swrast/swrast.h b/nx-X11/extras/Mesa/src/mesa/swrast/swrast.h deleted file mode 100644 index 90123e513..000000000 --- a/nx-X11/extras/Mesa/src/mesa/swrast/swrast.h +++ /dev/null @@ -1,299 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * Copyright (C) 1999-2005 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. - * - */ - -/** - * \file swrast/swrast.h - * \brief Public interface to the software rasterization functions. - * \author Keith Whitwell <keith@tungstengraphics.com> - */ - -#ifndef SWRAST_H -#define SWRAST_H - -#include "mtypes.h" - -/** - * \struct SWvertex - * \brief Data-structure to handle vertices in the software rasterizer. - * - * The software rasterizer now uses this format for vertices. Thus a - * 'RasterSetup' stage or other translation is required between the - * tnl module and the swrast rasterization functions. This serves to - * isolate the swrast module from the internals of the tnl module, and - * improve its usefulness as a fallback mechanism for hardware - * drivers. - * - * Full software drivers: - * - Register the rastersetup and triangle functions from - * utils/software_helper. - * - On statechange, update the rasterization pointers in that module. - * - * Rasterization hardware drivers: - * - Keep native rastersetup. - * - Implement native twoside,offset and unfilled triangle setup. - * - Implement a translator from native vertices to swrast vertices. - * - On partial fallback (mix of accelerated and unaccelerated - * prims), call a pass-through function which translates native - * vertices to SWvertices and calls the appropriate swrast function. - * - On total fallback (vertex format insufficient for state or all - * primitives unaccelerated), hook in swrast_setup instead. - */ -typedef struct { - /** win[0], win[1] are the screen-coords of SWvertex. - * win[2] is the z-buffer coord (if 16-bit Z buffer, in range [0,65535]). - * win[3] is 1/w where w is the clip-space W coord. This is the value - * that clip{XYZ} were multiplied by to get ndc{XYZ}. - */ - GLfloat win[4]; - GLfloat texcoord[MAX_TEXTURE_COORD_UNITS][4]; - GLchan color[4]; - GLchan specular[4]; - GLfloat fog; - GLfloat index; - GLfloat pointSize; -} SWvertex; - - -struct swrast_device_driver; - - -/* These are the public-access functions exported from swrast. - */ -extern void -_swrast_use_read_buffer( GLcontext *ctx ); - -extern void -_swrast_use_draw_buffer( GLcontext *ctx ); - -extern GLboolean -_swrast_CreateContext( GLcontext *ctx ); - -extern void -_swrast_DestroyContext( GLcontext *ctx ); - -/* Get a (non-const) reference to the device driver struct for swrast. - */ -extern struct swrast_device_driver * -_swrast_GetDeviceDriverReference( GLcontext *ctx ); - -extern void -_swrast_Bitmap( GLcontext *ctx, - GLint px, GLint py, - GLsizei width, GLsizei height, - const struct gl_pixelstore_attrib *unpack, - const GLubyte *bitmap ); - -extern void -_swrast_CopyPixels( GLcontext *ctx, - GLint srcx, GLint srcy, - GLint destx, GLint desty, - GLsizei width, GLsizei height, - GLenum type ); - -extern void -_swrast_DrawPixels( GLcontext *ctx, - GLint x, GLint y, - GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - const GLvoid *pixels ); - -extern void -_swrast_ReadPixels( GLcontext *ctx, - GLint x, GLint y, GLsizei width, GLsizei height, - GLenum format, GLenum type, - const struct gl_pixelstore_attrib *unpack, - GLvoid *pixels ); - -extern void -_swrast_Clear( GLcontext *ctx, GLbitfield mask, GLboolean all, - GLint x, GLint y, GLint width, GLint height ); - -extern void -_swrast_Accum( GLcontext *ctx, GLenum op, - GLfloat value, GLint xpos, GLint ypos, - GLint width, GLint height ); - - -extern void -_swrast_DrawBuffer( GLcontext *ctx, GLenum mode ); - - -extern void -_swrast_DrawBuffers( GLcontext *ctx, GLsizei n, const GLenum *buffers ); - - -/* Reset the stipple counter - */ -extern void -_swrast_ResetLineStipple( GLcontext *ctx ); - -/* These will always render the correct point/line/triangle for the - * current state. - * - * For flatshaded primitives, the provoking vertex is the final one. - */ -extern void -_swrast_Point( GLcontext *ctx, const SWvertex *v ); - -extern void -_swrast_Line( GLcontext *ctx, const SWvertex *v0, const SWvertex *v1 ); - -extern void -_swrast_Triangle( GLcontext *ctx, const SWvertex *v0, - const SWvertex *v1, const SWvertex *v2 ); - -extern void -_swrast_Quad( GLcontext *ctx, - const SWvertex *v0, const SWvertex *v1, - const SWvertex *v2, const SWvertex *v3); - -extern void -_swrast_flush( GLcontext *ctx ); - -extern void -_swrast_render_primitive( GLcontext *ctx, GLenum mode ); - -extern void -_swrast_render_start( GLcontext *ctx ); - -extern void -_swrast_render_finish( GLcontext *ctx ); - -/* Tell the software rasterizer about core state changes. - */ -extern void -_swrast_InvalidateState( GLcontext *ctx, GLuint new_state ); - -/* Configure software rasterizer to match hardware rasterizer characteristics: - */ -extern void -_swrast_allow_vertex_fog( GLcontext *ctx, GLboolean value ); - -extern void -_swrast_allow_pixel_fog( GLcontext *ctx, GLboolean value ); - -/* Debug: - */ -extern void -_swrast_print_vertex( GLcontext *ctx, const SWvertex *v ); - - -/* - * Imaging fallbacks (a better solution should be found, perhaps - * moving all the imaging fallback code to a new module) - */ -extern void -_swrast_CopyConvolutionFilter2D(GLcontext *ctx, GLenum target, - GLenum internalFormat, - GLint x, GLint y, GLsizei width, - GLsizei height); -extern void -_swrast_CopyConvolutionFilter1D(GLcontext *ctx, GLenum target, - GLenum internalFormat, - GLint x, GLint y, GLsizei width); -extern void -_swrast_CopyColorSubTable( GLcontext *ctx,GLenum target, GLsizei start, - GLint x, GLint y, GLsizei width); -extern void -_swrast_CopyColorTable( GLcontext *ctx, - GLenum target, GLenum internalformat, - GLint x, GLint y, GLsizei width); - - -/* - * Texture fallbacks. Could also live in a new module - * with the rest of the texture store fallbacks? - */ -extern void -_swrast_copy_teximage1d(GLcontext *ctx, GLenum target, GLint level, - GLenum internalFormat, - GLint x, GLint y, GLsizei width, GLint border); - -extern void -_swrast_copy_teximage2d(GLcontext *ctx, GLenum target, GLint level, - GLenum internalFormat, - GLint x, GLint y, GLsizei width, GLsizei height, - GLint border); - - -extern void -_swrast_copy_texsubimage1d(GLcontext *ctx, GLenum target, GLint level, - GLint xoffset, GLint x, GLint y, GLsizei width); - -extern void -_swrast_copy_texsubimage2d(GLcontext *ctx, - GLenum target, GLint level, - GLint xoffset, GLint yoffset, - GLint x, GLint y, GLsizei width, GLsizei height); - -extern void -_swrast_copy_texsubimage3d(GLcontext *ctx, - GLenum target, GLint level, - GLint xoffset, GLint yoffset, GLint zoffset, - GLint x, GLint y, GLsizei width, GLsizei height); - - -/* The driver interface for the software rasterizer. - * Unless otherwise noted, all functions are mandatory. - */ -struct swrast_device_driver { -#if OLD_RENDERBUFFER - void (*SetBuffer)(GLcontext *ctx, GLframebuffer *buffer, GLuint bufferBit); - /* - * Specifies the current color buffer for span/pixel writing/reading. - * buffer indicates which window to write to / read from. Normally, - * this'll be the buffer currently bound to the context, but it doesn't - * have to be! - * bufferBit indicates which color buffer, exactly one of: - * DD_FRONT_LEFT_BIT - this buffer always exists - * DD_BACK_LEFT_BIT - when double buffering - * DD_FRONT_RIGHT_BIT - when using stereo - * DD_BACK_RIGHT_BIT - when using stereo and double buffering - * DD_AUXn_BIT - if aux buffers are implemented - */ -#endif - - /*** - *** Functions for synchronizing access to the framebuffer: - ***/ - - void (*SpanRenderStart)(GLcontext *ctx); - void (*SpanRenderFinish)(GLcontext *ctx); - /* OPTIONAL. - * - * Called before and after all rendering operations, including DrawPixels, - * ReadPixels, Bitmap, span functions, and CopyTexImage, etc commands. - * These are a suitable place for grabbing/releasing hardware locks. - * - * NOTE: The swrast triangle/line/point routines *DO NOT* call - * these functions. Locking in that case must be organized by the - * driver by other mechanisms. - */ -}; - - - -#endif |