+++ /dev/null
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * 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.
- */
-
-
-/*
- * This file contains "accelerated" point, line, and triangle functions.
- * It should be fairly easy to write new special-purpose point, line or
- * triangle functions and hook them into this module.
- */
-
-
-#include "glxheader.h"
-#include "depth.h"
-#include "macros.h"
-#include "mtypes.h"
-#include "xmesaP.h"
-
-/* Internal swrast includes:
- */
-#include "swrast/s_depth.h"
-#include "swrast/s_points.h"
-#include "swrast/s_lines.h"
-#include "swrast/s_context.h"
-
-
-/**********************************************************************/
-/*** Point rendering ***/
-/**********************************************************************/
-
-
-/*
- * Render an array of points into a pixmap, any pixel format.
- */
-#if 000
-/* XXX don't use this, it doesn't dither correctly */
-static void draw_points_ANY_pixmap( GLcontext *ctx, const SWvertex *vert )
-{
- XMesaContext xmesa = XMESA_CONTEXT(ctx);
- XMesaDisplay *dpy = xmesa->xm_visual->display;
- XMesaDrawable buffer = xmesa->xm_buffer->buffer;
- XMesaGC gc = xmesa->xm_buffer->gc;
-
- if (xmesa->xm_visual->mesa_visual.RGBAflag) {
- register int x, y;
- const GLubyte *color = vert->color;
- unsigned long pixel = xmesa_color_to_pixel( xmesa,
- color[0], color[1],
- color[2], color[3],
- xmesa->pixelformat);
- XMesaSetForeground( dpy, gc, pixel );
- x = (GLint) vert->win[0];
- y = YFLIP( xrb, (GLint) vert->win[1] );
- XMesaDrawPoint( dpy, buffer, gc, x, y);
- }
- else {
- /* Color index mode */
- register int x, y;
- XMesaSetForeground( dpy, gc, vert->index );
- x = (GLint) vert->win[0];
- y = YFLIP( xrb, (GLint) vert->win[1] );
- XMesaDrawPoint( dpy, buffer, gc, x, y);
- }
-}
-#endif
-
-
-/* Override the swrast point-selection function. Try to use one of
- * our internal point functions, otherwise fall back to the standard
- * swrast functions.
- */
-void xmesa_choose_point( GLcontext *ctx )
-{
-#if 0
- XMesaContext xmesa = XMESA_CONTEXT(ctx);
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
-
- if (ctx->RenderMode == GL_RENDER
- && ctx->Point.Size == 1.0F && !ctx->Point.SmoothFlag
- && swrast->_RasterMask == 0
- && !ctx->Texture._EnabledUnits
- && xmesa->xm_buffer->buffer != XIMAGE) {
- swrast->Point = draw_points_ANY_pixmap;
- }
- else {
- _swrast_choose_point( ctx );
- }
-#else
- _swrast_choose_point( ctx );
-#endif
-}
-
-
-
-/**********************************************************************/
-/*** Line rendering ***/
-/**********************************************************************/
-
-
-#if CHAN_BITS == 8
-
-
-#define GET_XRB(XRB) struct xmesa_renderbuffer *XRB = \
- xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0][0]->Wrapped)
-
-
-/*
- * Draw a flat-shaded, PF_TRUECOLOR line into an XImage.
- */
-#define NAME flat_TRUECOLOR_line
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- unsigned long pixel; \
- PACK_TRUECOLOR( pixel, color[0], color[1], color[2] );
-#define CLIP_HACK 1
-#define PLOT(X,Y) XMesaPutPixel(xrb->ximage, X, YFLIP(xrb, Y), pixel );
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, PF_8A8B8G8R line into an XImage.
- */
-#define NAME flat_8A8B8G8R_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- GLuint pixel = PACK_8A8B8G8R(color[0], color[1], color[2], color[3]);
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) *pixelPtr = pixel;
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, PF_8A8R8G8B line into an XImage.
- */
-#define NAME flat_8A8R8G8B_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- GLuint pixel = PACK_8A8R8G8B(color[0], color[1], color[2], color[3]);
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) *pixelPtr = pixel;
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, PF_8R8G8B line into an XImage.
- */
-#define NAME flat_8R8G8B_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- GLuint pixel = PACK_8R8G8B( color[0], color[1], color[2] );
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) *pixelPtr = pixel;
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, PF_8R8G8B24 line into an XImage.
- */
-#define NAME flat_8R8G8B24_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color;
-#define PIXEL_TYPE bgr_t
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) { \
- pixelPtr->r = color[RCOMP]; \
- pixelPtr->g = color[GCOMP]; \
- pixelPtr->b = color[BCOMP]; \
-}
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, PF_5R6G5B line into an XImage.
- */
-#define NAME flat_5R6G5B_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- GLushort pixel = PACK_5R6G5B( color[0], color[1], color[2] );
-#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) *pixelPtr = pixel;
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, PF_DITHER_5R6G5B line into an XImage.
- */
-#define NAME flat_DITHER_5R6G5B_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- const GLubyte *color = vert1->color;
-#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) PACK_TRUEDITHER( *pixelPtr, X, Y, color[0], color[1], color[2] );
-#include "swrast/s_linetemp.h"
-
-
-
-
-/*
- * Draw a flat-shaded, PF_DITHER 8-bit line into an XImage.
- */
-#define NAME flat_DITHER8_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- GLint r = color[0], g = color[1], b = color[2]; \
- DITHER_SETUP;
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) *pixelPtr = DITHER(X,Y,r,g,b);
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, PF_LOOKUP 8-bit line into an XImage.
- */
-#define NAME flat_LOOKUP8_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- GLubyte pixel; \
- LOOKUP_SETUP; \
- pixel = (GLubyte) LOOKUP( color[0], color[1], color[2] );
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) *pixelPtr = pixel;
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, PF_HPCR line into an XImage.
- */
-#define NAME flat_HPCR_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- const GLubyte *color = vert1->color; \
- GLint r = color[0], g = color[1], b = color[2];
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) *pixelPtr = (GLubyte) DITHER_HPCR(X,Y,r,g,b);
-#include "swrast/s_linetemp.h"
-
-
-
-
-/*
- * Draw a flat-shaded, Z-less, PF_TRUECOLOR line into an XImage.
- */
-#define NAME flat_TRUECOLOR_z_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- const GLubyte *color = vert1->color; \
- unsigned long pixel; \
- PACK_TRUECOLOR( pixel, color[0], color[1], color[2] );
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- XMesaPutPixel(xrb->ximage, X, YFLIP(xrb, Y), pixel); \
- }
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, Z-less, PF_8A8B8G8R line into an XImage.
- */
-#define NAME flat_8A8B8G8R_z_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- GLuint pixel = PACK_8A8B8G8R(color[0], color[1], color[2], color[3]);
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- *pixelPtr = pixel; \
- }
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, Z-less, PF_8A8R8G8B line into an XImage.
- */
-#define NAME flat_8A8R8G8B_z_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- GLuint pixel = PACK_8A8R8G8B(color[0], color[1], color[2], color[3]);
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- *pixelPtr = pixel; \
- }
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, Z-less, PF_8R8G8B line into an XImage.
- */
-#define NAME flat_8R8G8B_z_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- GLuint pixel = PACK_8R8G8B( color[0], color[1], color[2] );
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- *pixelPtr = pixel; \
- }
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, Z-less, PF_8R8G8B24 line into an XImage.
- */
-#define NAME flat_8R8G8B24_z_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color;
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_TYPE bgr_t
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- pixelPtr->r = color[RCOMP]; \
- pixelPtr->g = color[GCOMP]; \
- pixelPtr->b = color[BCOMP]; \
- }
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, Z-less, PF_5R6G5B line into an XImage.
- */
-#define NAME flat_5R6G5B_z_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- GLushort pixel = PACK_5R6G5B( color[0], color[1], color[2] );
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- *pixelPtr = pixel; \
- }
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, Z-less, PF_DITHER_5R6G5B line into an XImage.
- */
-#define NAME flat_DITHER_5R6G5B_z_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- const GLubyte *color = vert1->color;
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- PACK_TRUEDITHER(*pixelPtr, X, Y, color[0], color[1], color[2]); \
- }
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, Z-less, PF_DITHER 8-bit line into an XImage.
- */
-#define NAME flat_DITHER8_z_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- GLint r = color[0], g = color[1], b = color[2]; \
- DITHER_SETUP;
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- *pixelPtr = (GLubyte) DITHER( X, Y, r, g, b); \
- }
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, Z-less, PF_LOOKUP 8-bit line into an XImage.
- */
-#define NAME flat_LOOKUP8_z_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = vert1->color; \
- GLubyte pixel; \
- LOOKUP_SETUP; \
- pixel = (GLubyte) LOOKUP( color[0], color[1], color[2] );
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- *pixelPtr = pixel; \
- }
-#include "swrast/s_linetemp.h"
-
-
-
-/*
- * Draw a flat-shaded, Z-less, PF_HPCR line into an XImage.
- */
-#define NAME flat_HPCR_z_line
-#define SETUP_CODE \
- GET_XRB(xrb); \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- const GLubyte *color = vert1->color; \
- GLint r = color[0], g = color[1], b = color[2];
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X,Y)
-#define CLIP_HACK 1
-#define PLOT(X,Y) \
- if (Z < *zPtr) { \
- *zPtr = Z; \
- *pixelPtr = (GLubyte) DITHER_HPCR( X, Y, r, g, b); \
- }
-#include "swrast/s_linetemp.h"
-
-
-
-
-#ifndef XFree86Server
-/**
- * Draw fast, XOR line with XDrawLine in front color buffer.
- * WARNING: this isn't fully OpenGL conformant because different pixels
- * will be hit versus using the other line functions.
- * Don't use the code in X server GLcore module since we need a wrapper
- * for the XSetLineAttributes() function call.
- */
-static void
-xor_line(GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1)
-{
- XMesaContext xmesa = XMESA_CONTEXT(ctx);
- XMesaDisplay *dpy = xmesa->xm_visual->display;
- XMesaGC gc = xmesa->xm_buffer->gc;
- GET_XRB(xrb);
- unsigned long pixel = xmesa_color_to_pixel(ctx,
- vert1->color[0], vert1->color[1],
- vert1->color[2], vert1->color[3],
- xmesa->pixelformat);
- int x0 = (GLint) vert0->attrib[FRAG_ATTRIB_WPOS][0];
- int y0 = YFLIP(xrb, (GLint) vert0->attrib[FRAG_ATTRIB_WPOS][1]);
- int x1 = (GLint) vert1->attrib[FRAG_ATTRIB_WPOS][0];
- int y1 = YFLIP(xrb, (GLint) vert1->attrib[FRAG_ATTRIB_WPOS][1]);
- XMesaSetForeground(dpy, gc, pixel);
- XMesaSetFunction(dpy, gc, GXxor);
- XSetLineAttributes(dpy, gc, (int) ctx->Line.Width,
- LineSolid, CapButt, JoinMiter);
- XDrawLine(dpy, xrb->pixmap, gc, x0, y0, x1, y1);
- XMesaSetFunction(dpy, gc, GXcopy); /* this gc is used elsewhere */
-}
-#endif /* XFree86Server */
-
-
-#endif /* CHAN_BITS == 8 */
-
-
-/**
- * Return pointer to line drawing function, or NULL if we should use a
- * swrast fallback.
- */
-static swrast_line_func
-get_line_func(GLcontext *ctx)
-{
-#if CHAN_BITS == 8
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
- XMesaContext xmesa = XMESA_CONTEXT(ctx);
- XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
- const int depth = GET_VISUAL_DEPTH(xmesa->xm_visual);
- const struct xmesa_renderbuffer *xrb;
-
- if ((ctx->DrawBuffer->_ColorDrawBufferMask[0]
- & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)) == 0)
- return (swrast_line_func) NULL;
- if (ctx->RenderMode != GL_RENDER) return (swrast_line_func) NULL;
- if (ctx->Line.SmoothFlag) return (swrast_line_func) NULL;
- if (ctx->Texture._EnabledUnits) return (swrast_line_func) NULL;
- if (ctx->Light.ShadeModel != GL_FLAT) return (swrast_line_func) NULL;
- if (ctx->Line.StippleFlag) return (swrast_line_func) NULL;
- if (swrast->_RasterMask & MULTI_DRAW_BIT) return (swrast_line_func) NULL;
- if (xmbuf->swAlpha) return (swrast_line_func) NULL;
-
- xrb = xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0][0]->Wrapped);
-
- if (xrb->ximage
- && swrast->_RasterMask==DEPTH_BIT
- && ctx->Depth.Func==GL_LESS
- && ctx->Depth.Mask==GL_TRUE
- && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS
- && ctx->Line.Width==1.0F) {
- switch (xmesa->pixelformat) {
- case PF_Truecolor:
- return flat_TRUECOLOR_z_line;
- case PF_8A8B8G8R:
- return flat_8A8B8G8R_z_line;
- case PF_8A8R8G8B:
- return flat_8A8R8G8B_z_line;
- case PF_8R8G8B:
- return flat_8R8G8B_z_line;
- case PF_8R8G8B24:
- return flat_8R8G8B24_z_line;
- case PF_5R6G5B:
- return flat_5R6G5B_z_line;
- case PF_Dither_5R6G5B:
- return flat_DITHER_5R6G5B_z_line;
- case PF_Dither:
- return (depth==8) ? flat_DITHER8_z_line : (swrast_line_func) NULL;
- case PF_Lookup:
- return (depth==8) ? flat_LOOKUP8_z_line : (swrast_line_func) NULL;
- case PF_HPCR:
- return flat_HPCR_z_line;
- default:
- return (swrast_line_func)NULL;
- }
- }
- if (xrb->ximage
- && swrast->_RasterMask==0
- && ctx->Line.Width==1.0F) {
- switch (xmesa->pixelformat) {
- case PF_Truecolor:
- return flat_TRUECOLOR_line;
- case PF_8A8B8G8R:
- return flat_8A8B8G8R_line;
- case PF_8A8R8G8B:
- return flat_8A8R8G8B_line;
- case PF_8R8G8B:
- return flat_8R8G8B_line;
- case PF_8R8G8B24:
- return flat_8R8G8B24_line;
- case PF_5R6G5B:
- return flat_5R6G5B_line;
- case PF_Dither_5R6G5B:
- return flat_DITHER_5R6G5B_line;
- case PF_Dither:
- return (depth==8) ? flat_DITHER8_line : (swrast_line_func) NULL;
- case PF_Lookup:
- return (depth==8) ? flat_LOOKUP8_line : (swrast_line_func) NULL;
- case PF_HPCR:
- return flat_HPCR_line;
- default:
- return (swrast_line_func)NULL;
- }
- }
-
-#ifndef XFree86Server
- if (ctx->DrawBuffer->_NumColorDrawBuffers[0] == 1
- && ctx->DrawBuffer->_ColorDrawBufferMask[0] == BUFFER_BIT_FRONT_LEFT
- && swrast->_RasterMask == LOGIC_OP_BIT
- && ctx->Color.LogicOp == GL_XOR
- && !ctx->Line.StippleFlag
- && !ctx->Line.SmoothFlag) {
- return xor_line;
- }
-#endif /* XFree86Server */
-
-#endif /* CHAN_BITS == 8 */
- return (swrast_line_func) NULL;
-}
-
-
-/**
- * Override for the swrast line-selection function. Try to use one
- * of our internal line functions, otherwise fall back to the
- * standard swrast functions.
- */
-void
-xmesa_choose_line(GLcontext *ctx)
-{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
-
- if (!(swrast->Line = get_line_func( ctx )))
- _swrast_choose_line( ctx );
-}
+++ /dev/null
-/*
- * Mesa 3-D graphics library
- * Version: 6.5
- *
- * 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.
- */
-
-
-/*
- * This file contains "accelerated" triangle functions. It should be
- * fairly easy to write new special-purpose triangle functions and hook
- * them into this module.
- */
-
-
-#include "glxheader.h"
-#include "depth.h"
-#include "macros.h"
-#include "imports.h"
-#include "mtypes.h"
-#include "xmesaP.h"
-
-/* Internal swrast includes:
- */
-#include "swrast/s_context.h"
-#include "swrast/s_depth.h"
-#include "swrast/s_triangle.h"
-
-
-#define GET_XRB(XRB) struct xmesa_renderbuffer *XRB = \
- xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0][0]->Wrapped)
-
-
-/**********************************************************************/
-/*** Triangle rendering ***/
-/**********************************************************************/
-
-
-#if CHAN_BITS == 8
-
-/*
- * XImage, smooth, depth-buffered, PF_TRUECOLOR triangle.
- */
-#define NAME smooth_TRUECOLOR_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb);
-
-#define RENDER_SPAN( span ) \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- GLuint i; \
- for (i = 0; i < span.end; i++, x++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- unsigned long p; \
- PACK_TRUECOLOR(p, FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- XMesaPutPixel(xrb->ximage, x, y, p); \
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.z += span.zStep; \
- }
-
-#include "swrast/s_tritemp.h"
-
-
-
-
-/*
- * XImage, smooth, depth-buffered, PF_8A8B8G8R triangle.
- */
-#define NAME smooth_8A8B8G8R_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define INTERP_ALPHA 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = PACK_8A8B8G8R(FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue), \
- FixedToInt(span.alpha)); \
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.alpha += span.alphaStep; \
- span.z += span.zStep; \
- }
-
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, PF_8A8R8G8B triangle.
- */
-#define NAME smooth_8A8R8G8B_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define INTERP_ALPHA 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = PACK_8A8R8G8B(FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue), \
- FixedToInt(span.alpha)); \
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.alpha += span.alphaStep; \
- span.z += span.zStep; \
- }
-
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, PF_8R8G8B triangle.
- */
-#define NAME smooth_8R8G8B_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = PACK_8R8G8B(FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.z += span.zStep; \
- }
-
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, PF_8R8G8B24 triangle.
- */
-#define NAME smooth_8R8G8B24_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y)
-#define PIXEL_TYPE bgr_t
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- PIXEL_TYPE *ptr = pRow + i; \
- ptr->r = FixedToInt(span.red); \
- ptr->g = FixedToInt(span.green); \
- ptr->b = FixedToInt(span.blue); \
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, PF_TRUEDITHER triangle.
- */
-#define NAME smooth_TRUEDITHER_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- unsigned long p; \
- PACK_TRUEDITHER(p, x, y, FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- XMesaPutPixel(xrb->ximage, x, y, p); \
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, PF_5R6G5B triangle.
- */
-#define NAME smooth_5R6G5B_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
-#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = PACK_5R6G5B(FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, PF_DITHER_5R6G5B triangle.
- */
-#define NAME smooth_DITHER_5R6G5B_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
-#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- PACK_TRUEDITHER(pRow[i], x, y, FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, 8-bit, PF_DITHER8 triangle.
- */
-#define NAME smooth_DITHER8_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- XDITHER_SETUP(y); \
- for (i = 0; i < span.end; i++, x++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = (PIXEL_TYPE) XDITHER(x, FixedToInt(span.red),\
- FixedToInt(span.green), FixedToInt(span.blue) ); \
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, PF_DITHER triangle.
- */
-#define NAME smooth_DITHER_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define SETUP_CODE \
- GET_XRB(xrb); \
- XMesaImage *img = xrb->ximage;
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- XDITHER_SETUP(y); \
- for (i = 0; i < span.end; i++, x++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- unsigned long p = XDITHER(x, FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- XMesaPutPixel(img, x, y, p); \
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, 8-bit PF_LOOKUP triangle.
- */
-#define NAME smooth_LOOKUP8_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- LOOKUP_SETUP; \
- for (i = 0; i < span.end; i++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = LOOKUP(FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, depth-buffered, 8-bit PF_HPCR triangle.
- */
-#define NAME smooth_HPCR_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = DITHER_HPCR(x, y, FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue) ); \
- zRow[i] = z; \
- } \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, PF_TRUECOLOR triangle.
- */
-#define NAME flat_TRUECOLOR_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb); \
- XMesaImage *img = xrb->ximage; \
- unsigned long pixel; \
- PACK_TRUECOLOR(pixel, v2->color[0], v2->color[1], v2->color[2]);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- XMesaPutPixel(img, x, y, pixel); \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, PF_8A8B8G8R triangle.
- */
-#define NAME flat_8A8B8G8R_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- GLuint p = PACK_8A8B8G8R( v2->color[0], v2->color[1],\
- v2->color[2], v2->color[3]);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = (PIXEL_TYPE) p; \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, PF_8A8R8G8B triangle.
- */
-#define NAME flat_8A8R8G8B_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- GLuint p = PACK_8A8R8G8B(v2->color[0], v2->color[1], \
- v2->color[2], v2->color[3]);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = (PIXEL_TYPE) p; \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, PF_8R8G8B triangle.
- */
-#define NAME flat_8R8G8B_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- GLuint p = PACK_8R8G8B( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = (PIXEL_TYPE) p; \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, PF_8R8G8B24 triangle.
- */
-#define NAME flat_8R8G8B24_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y)
-#define PIXEL_TYPE bgr_t
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = v2->color;
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- PIXEL_TYPE *ptr = pRow + i; \
- ptr->r = color[RCOMP]; \
- ptr->g = color[GCOMP]; \
- ptr->b = color[BCOMP]; \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, PF_TRUEDITHER triangle.
- */
-#define NAME flat_TRUEDITHER_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb); \
- XMesaImage *img = xrb->ximage;
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- unsigned long p; \
- PACK_TRUEDITHER(p, x, y, v2->color[0], \
- v2->color[1], v2->color[2]); \
- XMesaPutPixel(img, x, y, p); \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, PF_5R6G5B triangle.
- */
-#define NAME flat_5R6G5B_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
-#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- GLushort p = PACK_5R6G5B( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = (PIXEL_TYPE) p; \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, PF_DITHER_5R6G5B triangle.
- */
-#define NAME flat_DITHER_5R6G5B_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
-#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb); \
- const GLubyte *color = v2->color;
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- PACK_TRUEDITHER(pRow[i], x, y, color[RCOMP], \
- color[GCOMP], color[BCOMP]); \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, 8-bit PF_DITHER triangle.
- */
-#define NAME flat_DITHER8_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- FLAT_DITHER_ROW_SETUP(YFLIP(xrb, y)); \
- for (i = 0; i < span.end; i++, x++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = (PIXEL_TYPE) FLAT_DITHER(x); \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, PF_DITHER triangle.
- */
-#define NAME flat_DITHER_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define SETUP_CODE \
- GET_XRB(xrb); \
- XMesaImage *img = xrb->ximage; \
- FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- FLAT_DITHER_ROW_SETUP(y); \
- for (i = 0; i < span.end; i++, x++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- unsigned long p = FLAT_DITHER(x); \
- XMesaPutPixel(img, x, y, p); \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, 8-bit PF_HPCR triangle.
- */
-#define NAME flat_HPCR_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb); \
- GLubyte r = v2->color[0]; \
- GLubyte g = v2->color[1]; \
- GLubyte b = v2->color[2];
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = (PIXEL_TYPE) DITHER_HPCR(x, y, r, g, b); \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, depth-buffered, 8-bit PF_LOOKUP triangle.
- */
-#define NAME flat_LOOKUP8_z_triangle
-#define INTERP_Z 1
-#define DEPTH_TYPE DEFAULT_SOFTWARE_DEPTH_TYPE
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- LOOKUP_SETUP; \
- GLubyte r = v2->color[0]; \
- GLubyte g = v2->color[1]; \
- GLubyte b = v2->color[2]; \
- GLubyte p = LOOKUP(r,g,b);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- const DEPTH_TYPE z = FixedToDepth(span.z); \
- if (z < zRow[i]) { \
- pRow[i] = p; \
- zRow[i] = z; \
- } \
- span.z += span.zStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, PF_TRUECOLOR triangle.
- */
-#define NAME smooth_TRUECOLOR_triangle
-#define INTERP_RGB 1
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb); \
- XMesaImage *img = xrb->ximage;
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- unsigned long p; \
- PACK_TRUECOLOR(p, FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- XMesaPutPixel(img, x, y, p); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, PF_8A8B8G8R triangle.
- */
-#define NAME smooth_8A8B8G8R_triangle
-#define INTERP_RGB 1
-#define INTERP_ALPHA 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- pRow[i] = PACK_8A8B8G8R(FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue), \
- FixedToInt(span.alpha)); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.alpha += span.alphaStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, PF_8A8R8G8B triangle.
- */
-#define NAME smooth_8A8R8G8B_triangle
-#define INTERP_RGB 1
-#define INTERP_ALPHA 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- pRow[i] = PACK_8A8R8G8B(FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue), \
- FixedToInt(span.alpha)); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- span.alpha += span.alphaStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, PF_8R8G8B triangle.
- */
-#define NAME smooth_8R8G8B_triangle
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- pRow[i] = PACK_8R8G8B(FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue) ); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, PF_8R8G8B triangle.
- */
-#define NAME smooth_8R8G8B24_triangle
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y)
-#define PIXEL_TYPE bgr_t
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- PIXEL_TYPE *pixel = pRow; \
- for (i = 0; i < span.end; i++, pixel++) { \
- pixel->r = FixedToInt(span.red); \
- pixel->g = FixedToInt(span.green); \
- pixel->b = FixedToInt(span.blue); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, PF_TRUEDITHER triangle.
- */
-#define NAME smooth_TRUEDITHER_triangle
-#define INTERP_RGB 1
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb); \
- XMesaImage *img = xrb->ximage;
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- unsigned long p; \
- PACK_TRUEDITHER(p, x, y, FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- XMesaPutPixel(img, x, y, p ); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, PF_5R6G5B triangle.
- */
-#define NAME smooth_5R6G5B_triangle
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
-#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- pRow[i] = (PIXEL_TYPE) PACK_5R6G5B(FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, PF_DITHER_5R6G5B triangle.
- */
-#define NAME smooth_DITHER_5R6G5B_triangle
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
-#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- PACK_TRUEDITHER(pRow[i], x, y, FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, 8-bit PF_DITHER triangle.
- */
-#define NAME smooth_DITHER8_triangle
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- XDITHER_SETUP(y); \
- for (i = 0; i < span.end; i++, x++) { \
- pRow[i] = (PIXEL_TYPE) XDITHER(x, FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue) ); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, PF_DITHER triangle.
- */
-#define NAME smooth_DITHER_triangle
-#define INTERP_RGB 1
-#define SETUP_CODE \
- GET_XRB(xrb); \
- XMesaImage *img = xrb->ximage;
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- XDITHER_SETUP(y); \
- for (i = 0; i < span.end; i++, x++) { \
- unsigned long p = XDITHER(x, FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue) ); \
- XMesaPutPixel(img, x, y, p); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, 8-bit PF_LOOKUP triangle.
- */
-#define NAME smooth_LOOKUP8_triangle
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- LOOKUP_SETUP; \
- for (i = 0; i < span.end; i++) { \
- pRow[i] = LOOKUP(FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, smooth, NON-depth-buffered, 8-bit PF_HPCR triangle.
- */
-#define NAME smooth_HPCR_triangle
-#define INTERP_RGB 1
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- pRow[i] = DITHER_HPCR(x, y, FixedToInt(span.red), \
- FixedToInt(span.green), FixedToInt(span.blue)); \
- span.red += span.redStep; \
- span.green += span.greenStep; \
- span.blue += span.blueStep; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, PF_TRUECOLOR triangle.
- */
-#define NAME flat_TRUECOLOR_triangle
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb); \
- XMesaImage *img = xrb->ximage; \
- unsigned long pixel; \
- PACK_TRUECOLOR(pixel, v2->color[0], v2->color[1], v2->color[2]);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- XMesaPutPixel(img, x, y, pixel); \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, PF_8A8B8G8R triangle.
- */
-#define NAME flat_8A8B8G8R_triangle
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- unsigned long p = PACK_8B8G8R( v2->color[0], \
- v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- pRow[i] = (PIXEL_TYPE) p; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, PF_8A8R8G8B triangle.
- */
-#define NAME flat_8A8R8G8B_triangle
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- unsigned long p = PACK_8R8G8B( v2->color[0], \
- v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- pRow[i] = (PIXEL_TYPE) p; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, PF_8R8G8B triangle.
- */
-#define NAME flat_8R8G8B_triangle
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR4(xrb, X, Y)
-#define PIXEL_TYPE GLuint
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- unsigned long p = PACK_8R8G8B( v2->color[0], \
- v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- pRow[i] = (PIXEL_TYPE) p; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, PF_8R8G8B24 triangle.
- */
-#define NAME flat_8R8G8B24_triangle
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR3(xrb, X, Y)
-#define PIXEL_TYPE bgr_t
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- const GLubyte *color = v2->color;
-#define RENDER_SPAN( span ) \
- GLuint i; \
- PIXEL_TYPE *pixel = pRow; \
- for (i = 0; i < span.end; i++, pixel++) { \
- pixel->r = color[RCOMP]; \
- pixel->g = color[GCOMP]; \
- pixel->b = color[BCOMP]; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, PF_TRUEDITHER triangle.
- */
-#define NAME flat_TRUEDITHER_triangle
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb); \
- XMesaImage *img = xrb->ximage;
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- unsigned long p; \
- PACK_TRUEDITHER(p, x, y, v2->color[0], \
- v2->color[1], v2->color[2] ); \
- XMesaPutPixel(img, x, y, p); \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, PF_5R6G5B triangle.
- */
-#define NAME flat_5R6G5B_triangle
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
-#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- unsigned long p = PACK_5R6G5B( v2->color[0], \
- v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- pRow[i] = (PIXEL_TYPE) p; \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, PF_DITHER_5R6G5B triangle.
- */
-#define NAME flat_DITHER_5R6G5B_triangle
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR2(xrb, X, Y)
-#define PIXEL_TYPE GLushort
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb); \
- const GLubyte *color = v2->color;
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- PACK_TRUEDITHER(pRow[i], x, y, color[RCOMP], \
- color[GCOMP], color[BCOMP]); \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, 8-bit PF_DITHER triangle.
- */
-#define NAME flat_DITHER8_triangle
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- FLAT_DITHER_ROW_SETUP(YFLIP(xrb, y)); \
- for (i = 0; i < span.end; i++, x++) { \
- pRow[i] = (PIXEL_TYPE) FLAT_DITHER(x); \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, PF_DITHER triangle.
- */
-#define NAME flat_DITHER_triangle
-#define SETUP_CODE \
- GET_XRB(xrb); \
- XMesaImage *img = xrb->ximage; \
- FLAT_DITHER_SETUP( v2->color[0], v2->color[1], v2->color[2] );
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- FLAT_DITHER_ROW_SETUP(y); \
- for (i = 0; i < span.end; i++, x++) { \
- unsigned long p = FLAT_DITHER(x); \
- XMesaPutPixel(img, x, y, p ); \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, 8-bit PF_HPCR triangle.
- */
-#define NAME flat_HPCR_triangle
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- XMesaContext xmesa = XMESA_CONTEXT(ctx); \
- GET_XRB(xrb); \
- GLubyte r = v2->color[0]; \
- GLubyte g = v2->color[1]; \
- GLubyte b = v2->color[2];
-#define RENDER_SPAN( span ) \
- GLuint i; \
- GLint x = span.x, y = YFLIP(xrb, span.y); \
- for (i = 0; i < span.end; i++, x++) { \
- pRow[i] = (PIXEL_TYPE) DITHER_HPCR(x, y, r, g, b); \
- }
-#include "swrast/s_tritemp.h"
-
-
-
-/*
- * XImage, flat, NON-depth-buffered, 8-bit PF_LOOKUP triangle.
- */
-#define NAME flat_LOOKUP8_triangle
-#define PIXEL_ADDRESS(X,Y) PIXEL_ADDR1(xrb, X, Y)
-#define PIXEL_TYPE GLubyte
-#define BYTES_PER_ROW (xrb->ximage->bytes_per_line)
-#define SETUP_CODE \
- GET_XRB(xrb); \
- LOOKUP_SETUP; \
- GLubyte r = v2->color[0]; \
- GLubyte g = v2->color[1]; \
- GLubyte b = v2->color[2]; \
- GLubyte p = LOOKUP(r,g,b);
-#define RENDER_SPAN( span ) \
- GLuint i; \
- for (i = 0; i < span.end; i++) { \
- pRow[i] = (PIXEL_TYPE) p; \
- }
-#include "swrast/s_tritemp.h"
-
-
-#endif /* CHAN_BITS == 8 */
-
-
-#if defined(DEBUG) && CHAN_BITS == 8
-extern void _xmesa_print_triangle_func( swrast_tri_func triFunc );
-void _xmesa_print_triangle_func( swrast_tri_func triFunc )
-{
- _mesa_printf("XMesa tri func = ");
- if (triFunc ==smooth_TRUECOLOR_z_triangle)
- _mesa_printf("smooth_TRUECOLOR_z_triangle\n");
- else if (triFunc ==smooth_8A8B8G8R_z_triangle)
- _mesa_printf("smooth_8A8B8G8R_z_triangle\n");
- else if (triFunc ==smooth_8A8R8G8B_z_triangle)
- _mesa_printf("smooth_8A8R8G8B_z_triangle\n");
- else if (triFunc ==smooth_8R8G8B_z_triangle)
- _mesa_printf("smooth_8R8G8B_z_triangle\n");
- else if (triFunc ==smooth_8R8G8B24_z_triangle)
- _mesa_printf("smooth_8R8G8B24_z_triangle\n");
- else if (triFunc ==smooth_TRUEDITHER_z_triangle)
- _mesa_printf("smooth_TRUEDITHER_z_triangle\n");
- else if (triFunc ==smooth_5R6G5B_z_triangle)
- _mesa_printf("smooth_5R6G5B_z_triangle\n");
- else if (triFunc ==smooth_DITHER_5R6G5B_z_triangle)
- _mesa_printf("smooth_DITHER_5R6G5B_z_triangle\n");
- else if (triFunc ==smooth_HPCR_z_triangle)
- _mesa_printf("smooth_HPCR_z_triangle\n");
- else if (triFunc ==smooth_DITHER8_z_triangle)
- _mesa_printf("smooth_DITHER8_z_triangle\n");
- else if (triFunc ==smooth_LOOKUP8_z_triangle)
- _mesa_printf("smooth_LOOKUP8_z_triangle\n");
- else if (triFunc ==flat_TRUECOLOR_z_triangle)
- _mesa_printf("flat_TRUECOLOR_z_triangle\n");
- else if (triFunc ==flat_8A8B8G8R_z_triangle)
- _mesa_printf("flat_8A8B8G8R_z_triangle\n");
- else if (triFunc ==flat_8A8R8G8B_z_triangle)
- _mesa_printf("flat_8A8R8G8B_z_triangle\n");
- else if (triFunc ==flat_8R8G8B_z_triangle)
- _mesa_printf("flat_8R8G8B_z_triangle\n");
- else if (triFunc ==flat_8R8G8B24_z_triangle)
- _mesa_printf("flat_8R8G8B24_z_triangle\n");
- else if (triFunc ==flat_TRUEDITHER_z_triangle)
- _mesa_printf("flat_TRUEDITHER_z_triangle\n");
- else if (triFunc ==flat_5R6G5B_z_triangle)
- _mesa_printf("flat_5R6G5B_z_triangle\n");
- else if (triFunc ==flat_DITHER_5R6G5B_z_triangle)
- _mesa_printf("flat_DITHER_5R6G5B_z_triangle\n");
- else if (triFunc ==flat_HPCR_z_triangle)
- _mesa_printf("flat_HPCR_z_triangle\n");
- else if (triFunc ==flat_DITHER8_z_triangle)
- _mesa_printf("flat_DITHER8_z_triangle\n");
- else if (triFunc ==flat_LOOKUP8_z_triangle)
- _mesa_printf("flat_LOOKUP8_z_triangle\n");
- else if (triFunc ==smooth_TRUECOLOR_triangle)
- _mesa_printf("smooth_TRUECOLOR_triangle\n");
- else if (triFunc ==smooth_8A8B8G8R_triangle)
- _mesa_printf("smooth_8A8B8G8R_triangle\n");
- else if (triFunc ==smooth_8A8R8G8B_triangle)
- _mesa_printf("smooth_8A8R8G8B_triangle\n");
- else if (triFunc ==smooth_8R8G8B_triangle)
- _mesa_printf("smooth_8R8G8B_triangle\n");
- else if (triFunc ==smooth_8R8G8B24_triangle)
- _mesa_printf("smooth_8R8G8B24_triangle\n");
- else if (triFunc ==smooth_TRUEDITHER_triangle)
- _mesa_printf("smooth_TRUEDITHER_triangle\n");
- else if (triFunc ==smooth_5R6G5B_triangle)
- _mesa_printf("smooth_5R6G5B_triangle\n");
- else if (triFunc ==smooth_DITHER_5R6G5B_triangle)
- _mesa_printf("smooth_DITHER_5R6G5B_triangle\n");
- else if (triFunc ==smooth_HPCR_triangle)
- _mesa_printf("smooth_HPCR_triangle\n");
- else if (triFunc ==smooth_DITHER8_triangle)
- _mesa_printf("smooth_DITHER8_triangle\n");
- else if (triFunc ==smooth_LOOKUP8_triangle)
- _mesa_printf("smooth_LOOKUP8_triangle\n");
- else if (triFunc ==flat_TRUECOLOR_triangle)
- _mesa_printf("flat_TRUECOLOR_triangle\n");
- else if (triFunc ==flat_TRUEDITHER_triangle)
- _mesa_printf("flat_TRUEDITHER_triangle\n");
- else if (triFunc ==flat_8A8B8G8R_triangle)
- _mesa_printf("flat_8A8B8G8R_triangle\n");
- else if (triFunc ==flat_8A8R8G8B_triangle)
- _mesa_printf("flat_8A8R8G8B_triangle\n");
- else if (triFunc ==flat_8R8G8B_triangle)
- _mesa_printf("flat_8R8G8B_triangle\n");
- else if (triFunc ==flat_8R8G8B24_triangle)
- _mesa_printf("flat_8R8G8B24_triangle\n");
- else if (triFunc ==flat_5R6G5B_triangle)
- _mesa_printf("flat_5R6G5B_triangle\n");
- else if (triFunc ==flat_DITHER_5R6G5B_triangle)
- _mesa_printf("flat_DITHER_5R6G5B_triangle\n");
- else if (triFunc ==flat_HPCR_triangle)
- _mesa_printf("flat_HPCR_triangle\n");
- else if (triFunc ==flat_DITHER8_triangle)
- _mesa_printf("flat_DITHER8_triangle\n");
- else if (triFunc ==flat_LOOKUP8_triangle)
- _mesa_printf("flat_LOOKUP8_triangle\n");
- else
- _mesa_printf("???\n");
-}
-#endif
-
-
-#ifdef DEBUG
-
-/* record the current triangle function name */
-static const char *triFuncName = NULL;
-
-#define USE(triFunc) \
-do { \
- triFuncName = #triFunc; \
- return triFunc; \
-} while (0)
-
-#else
-
-#define USE(triFunc) return triFunc
-
-#endif
-
-
-#if 0
-GLboolean xmesa_get_cbuf_details( GLcontext *ctx,
- void **ptr,
- GLuint *cpp,
- GLint *stride,
- GLuint *format )
-{
- XMesaContext xmesa = XMESA_CONTEXT(ctx);
- struct gl_framebuffer *fb = ctx->DrawBuffer;
- struct gl_renderbuffer *crb = fb->_ColorDrawBuffers[0][0];
- struct xmesa_renderbuffer *xrb = xmesa_renderbuffer(crb->Wrapped);
-
- *ptr = crb->GetPointer(ctx, crb, 0, 0);
- *stride = ((GLubyte *)crb->GetPointer(ctx, crb, 0, 1) -
- (GLubyte *)crb->GetPointer(ctx, crb, 0, 0));
-
- if (!ptr)
- goto bad;
-
- switch (xmesa->pixelformat) {
- case PF_8A8B8G8R:
- case PF_8A8R8G8B:
- *format = 1; /* whatever */
- *cpp = 4;
- break;
- default:
- goto bad;
- }
-
- return GL_TRUE;
-
- bad:
- *ptr = NULL;
- *stride = 0;
- *format = 0;
- return GL_FALSE;
-}
-#endif
-
-
-/**
- * Return pointer to line drawing function, or NULL if we should use a
- * swrast fallback.
- */
-static swrast_tri_func
-get_triangle_func(GLcontext *ctx)
-{
-#if CHAN_BITS == 8
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
- XMesaContext xmesa = XMESA_CONTEXT(ctx);
- XMesaBuffer xmbuf = XMESA_BUFFER(ctx->DrawBuffer);
- const int depth = GET_VISUAL_DEPTH(xmesa->xm_visual);
- const struct xmesa_renderbuffer *xrb;
-
-#ifdef DEBUG
- triFuncName = NULL;
-#endif
-
- /* trivial fallback tests */
- if ((ctx->DrawBuffer->_ColorDrawBufferMask[0]
- & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)) == 0)
- return (swrast_tri_func) NULL;
- if (ctx->RenderMode != GL_RENDER)
- return (swrast_tri_func) NULL;
- if (ctx->Polygon.SmoothFlag)
- return (swrast_tri_func) NULL;
- if (ctx->Texture._EnabledUnits)
- return (swrast_tri_func) NULL;
- if (swrast->_RasterMask & MULTI_DRAW_BIT)
- return (swrast_tri_func) NULL;
- if (ctx->Polygon.CullFlag &&
- ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
- return (swrast_tri_func) NULL;
- if (xmbuf->swAlpha)
- return (swrast_tri_func) NULL;
-
- xrb = xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0][0]->Wrapped);
-
- if (xrb->ximage) {
- if ( ctx->Light.ShadeModel==GL_SMOOTH
- && swrast->_RasterMask==DEPTH_BIT
- && ctx->Depth.Func==GL_LESS
- && ctx->Depth.Mask==GL_TRUE
- && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS
- && ctx->Polygon.StippleFlag==GL_FALSE) {
- switch (xmesa->pixelformat) {
- case PF_Truecolor:
- USE(smooth_TRUECOLOR_z_triangle);
- case PF_8A8B8G8R:
- USE(smooth_8A8B8G8R_z_triangle);
- case PF_8A8R8G8B:
- USE(smooth_8A8R8G8B_z_triangle);
- case PF_8R8G8B:
- USE(smooth_8R8G8B_z_triangle);
- case PF_8R8G8B24:
- USE(smooth_8R8G8B24_z_triangle);
- case PF_Dither_True:
- USE(smooth_TRUEDITHER_z_triangle);
- case PF_5R6G5B:
- USE(smooth_5R6G5B_z_triangle);
- case PF_Dither_5R6G5B:
- USE(smooth_DITHER_5R6G5B_z_triangle);
- case PF_HPCR:
- USE(smooth_HPCR_z_triangle);
- case PF_Dither:
- if (depth == 8)
- USE(smooth_DITHER8_z_triangle);
- else
- USE(smooth_DITHER_z_triangle);
- case PF_Lookup:
- if (depth == 8)
- USE(smooth_LOOKUP8_z_triangle);
- else
- return (swrast_tri_func) NULL;
- default:
- return (swrast_tri_func) NULL;
- }
- }
- if ( ctx->Light.ShadeModel==GL_FLAT
- && swrast->_RasterMask==DEPTH_BIT
- && ctx->Depth.Func==GL_LESS
- && ctx->Depth.Mask==GL_TRUE
- && ctx->Visual.depthBits == DEFAULT_SOFTWARE_DEPTH_BITS
- && ctx->Polygon.StippleFlag==GL_FALSE) {
- switch (xmesa->pixelformat) {
- case PF_Truecolor:
- USE(flat_TRUECOLOR_z_triangle);
- case PF_8A8B8G8R:
- USE(flat_8A8B8G8R_z_triangle);
- case PF_8A8R8G8B:
- USE(flat_8A8R8G8B_z_triangle);
- case PF_8R8G8B:
- USE(flat_8R8G8B_z_triangle);
- case PF_8R8G8B24:
- USE(flat_8R8G8B24_z_triangle);
- case PF_Dither_True:
- USE(flat_TRUEDITHER_z_triangle);
- case PF_5R6G5B:
- USE(flat_5R6G5B_z_triangle);
- case PF_Dither_5R6G5B:
- USE(flat_DITHER_5R6G5B_z_triangle);
- case PF_HPCR:
- USE(flat_HPCR_z_triangle);
- case PF_Dither:
- if (depth == 8)
- USE(flat_DITHER8_z_triangle);
- else
- USE(flat_DITHER_z_triangle);
- case PF_Lookup:
- if (depth == 8)
- USE(flat_LOOKUP8_z_triangle);
- else
- return (swrast_tri_func) NULL;
- default:
- return (swrast_tri_func) NULL;
- }
- }
- if ( swrast->_RasterMask==0 /* no depth test */
- && ctx->Light.ShadeModel==GL_SMOOTH
- && ctx->Polygon.StippleFlag==GL_FALSE) {
- switch (xmesa->pixelformat) {
- case PF_Truecolor:
- USE(smooth_TRUECOLOR_triangle);
- case PF_8A8B8G8R:
- USE(smooth_8A8B8G8R_triangle);
- case PF_8A8R8G8B:
- USE(smooth_8A8R8G8B_triangle);
- case PF_8R8G8B:
- USE(smooth_8R8G8B_triangle);
- case PF_8R8G8B24:
- USE(smooth_8R8G8B24_triangle);
- case PF_Dither_True:
- USE(smooth_TRUEDITHER_triangle);
- case PF_5R6G5B:
- USE(smooth_5R6G5B_triangle);
- case PF_Dither_5R6G5B:
- USE(smooth_DITHER_5R6G5B_triangle);
- case PF_HPCR:
- USE(smooth_HPCR_triangle);
- case PF_Dither:
- if (depth == 8)
- USE(smooth_DITHER8_triangle);
- else
- USE(smooth_DITHER_triangle);
- case PF_Lookup:
- if (depth == 8)
- USE(smooth_LOOKUP8_triangle);
- else
- return (swrast_tri_func) NULL;
- default:
- return (swrast_tri_func) NULL;
- }
- }
-
- if ( swrast->_RasterMask==0 /* no depth test */
- && ctx->Light.ShadeModel==GL_FLAT
- && ctx->Polygon.StippleFlag==GL_FALSE) {
- switch (xmesa->pixelformat) {
- case PF_Truecolor:
- USE(flat_TRUECOLOR_triangle);
- case PF_Dither_True:
- USE(flat_TRUEDITHER_triangle);
- case PF_8A8B8G8R:
- USE(flat_8A8B8G8R_triangle);
- case PF_8A8R8G8B:
- USE(flat_8A8R8G8B_triangle);
- case PF_8R8G8B:
- USE(flat_8R8G8B_triangle);
- case PF_8R8G8B24:
- USE(flat_8R8G8B24_triangle);
- case PF_5R6G5B:
- USE(flat_5R6G5B_triangle);
- case PF_Dither_5R6G5B:
- USE(flat_DITHER_5R6G5B_triangle);
- case PF_HPCR:
- USE(flat_HPCR_triangle);
- case PF_Dither:
- if (depth == 8)
- USE(flat_DITHER8_triangle);
- else
- USE(flat_DITHER_triangle);
- case PF_Lookup:
- if (depth == 8)
- USE(flat_LOOKUP8_triangle);
- else
- return (swrast_tri_func) NULL;
- default:
- return (swrast_tri_func) NULL;
- }
- }
- }
-#endif /* CHAN_BITS == 8 */
-
- return (swrast_tri_func) NULL;
-}
-
-
-/* Override for the swrast tri-selection function. Try to use one
- * of our internal tri functions, otherwise fall back to the
- * standard swrast functions.
- */
-void xmesa_choose_triangle( GLcontext *ctx )
-{
- SWcontext *swrast = SWRAST_CONTEXT(ctx);
-
- if (!(swrast->Triangle = get_triangle_func( ctx )))
- _swrast_choose_triangle( ctx );
-}
-
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