0,0 → 1,1150 |
/* |
* Mesa 3-D graphics library |
* |
* 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 |
* 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. |
*/ |
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/* |
* This file contains "accelerated" triangle functions. It should be |
* fairly easy to write new special-purpose triangle functions and hook |
* them into this module. |
*/ |
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#include "main/imports.h" |
#include "main/mtypes.h" |
#include "glxheader.h" |
#include "xmesaP.h" |
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/* Internal swrast includes: |
*/ |
#include "swrast/s_context.h" |
#include "swrast/s_depth.h" |
#include "swrast/s_triangle.h" |
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#define GET_XRB(XRB) struct xmesa_renderbuffer *XRB = \ |
xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0]) |
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/**********************************************************************/ |
/*** Triangle rendering ***/ |
/**********************************************************************/ |
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#if CHAN_BITS == 8 |
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/* |
* 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; \ |
} } |
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#include "swrast/s_tritemp.h" |
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/* |
* 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; \ |
} } |
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#include "swrast/s_tritemp.h" |
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/* |
* 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); |
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#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; \ |
} } |
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#include "swrast/s_tritemp.h" |
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/* |
* 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); |
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#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; \ |
} } |
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#include "swrast/s_tritemp.h" |
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/* |
* 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" |
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/* |
* 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" |
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/* |
* 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" |
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/* |
* 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" |
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/* |
* 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" |
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/* |
* 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" |
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/* |
* 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" |
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/* |
* 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; \ |
} } |
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#include "swrast/s_tritemp.h" |
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/* |
* 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" |
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/* |
* 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" |
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/* |
* 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" |
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/* |
* 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" |
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/* |
* 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" |
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/* |
* 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" |
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/* |
* 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" |
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/* |
* 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, 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" |
|
|
|
#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 ) |
{ |
printf("XMesa tri func = "); |
if (triFunc ==smooth_TRUECOLOR_z_triangle) |
printf("smooth_TRUECOLOR_z_triangle\n"); |
else if (triFunc ==smooth_8A8B8G8R_z_triangle) |
printf("smooth_8A8B8G8R_z_triangle\n"); |
else if (triFunc ==smooth_8A8R8G8B_z_triangle) |
printf("smooth_8A8R8G8B_z_triangle\n"); |
else if (triFunc ==smooth_8R8G8B_z_triangle) |
printf("smooth_8R8G8B_z_triangle\n"); |
else if (triFunc ==smooth_8R8G8B24_z_triangle) |
printf("smooth_8R8G8B24_z_triangle\n"); |
else if (triFunc ==smooth_TRUEDITHER_z_triangle) |
printf("smooth_TRUEDITHER_z_triangle\n"); |
else if (triFunc ==smooth_5R6G5B_z_triangle) |
printf("smooth_5R6G5B_z_triangle\n"); |
else if (triFunc ==smooth_DITHER_5R6G5B_z_triangle) |
printf("smooth_DITHER_5R6G5B_z_triangle\n"); |
else if (triFunc ==flat_TRUECOLOR_z_triangle) |
printf("flat_TRUECOLOR_z_triangle\n"); |
else if (triFunc ==flat_8A8B8G8R_z_triangle) |
printf("flat_8A8B8G8R_z_triangle\n"); |
else if (triFunc ==flat_8A8R8G8B_z_triangle) |
printf("flat_8A8R8G8B_z_triangle\n"); |
else if (triFunc ==flat_8R8G8B_z_triangle) |
printf("flat_8R8G8B_z_triangle\n"); |
else if (triFunc ==flat_8R8G8B24_z_triangle) |
printf("flat_8R8G8B24_z_triangle\n"); |
else if (triFunc ==flat_TRUEDITHER_z_triangle) |
printf("flat_TRUEDITHER_z_triangle\n"); |
else if (triFunc ==flat_5R6G5B_z_triangle) |
printf("flat_5R6G5B_z_triangle\n"); |
else if (triFunc ==flat_DITHER_5R6G5B_z_triangle) |
printf("flat_DITHER_5R6G5B_z_triangle\n"); |
else if (triFunc ==smooth_TRUECOLOR_triangle) |
printf("smooth_TRUECOLOR_triangle\n"); |
else if (triFunc ==smooth_8A8B8G8R_triangle) |
printf("smooth_8A8B8G8R_triangle\n"); |
else if (triFunc ==smooth_8A8R8G8B_triangle) |
printf("smooth_8A8R8G8B_triangle\n"); |
else if (triFunc ==smooth_8R8G8B_triangle) |
printf("smooth_8R8G8B_triangle\n"); |
else if (triFunc ==smooth_8R8G8B24_triangle) |
printf("smooth_8R8G8B24_triangle\n"); |
else if (triFunc ==smooth_TRUEDITHER_triangle) |
printf("smooth_TRUEDITHER_triangle\n"); |
else if (triFunc ==smooth_5R6G5B_triangle) |
printf("smooth_5R6G5B_triangle\n"); |
else if (triFunc ==smooth_DITHER_5R6G5B_triangle) |
printf("smooth_DITHER_5R6G5B_triangle\n"); |
else if (triFunc ==flat_TRUECOLOR_triangle) |
printf("flat_TRUECOLOR_triangle\n"); |
else if (triFunc ==flat_TRUEDITHER_triangle) |
printf("flat_TRUEDITHER_triangle\n"); |
else if (triFunc ==flat_8A8B8G8R_triangle) |
printf("flat_8A8B8G8R_triangle\n"); |
else if (triFunc ==flat_8A8R8G8B_triangle) |
printf("flat_8A8R8G8B_triangle\n"); |
else if (triFunc ==flat_8R8G8B_triangle) |
printf("flat_8R8G8B_triangle\n"); |
else if (triFunc ==flat_8R8G8B24_triangle) |
printf("flat_8R8G8B24_triangle\n"); |
else if (triFunc ==flat_5R6G5B_triangle) |
printf("flat_5R6G5B_triangle\n"); |
else if (triFunc ==flat_DITHER_5R6G5B_triangle) |
printf("flat_DITHER_5R6G5B_triangle\n"); |
else |
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 |
|
|
/** |
* Return pointer to line drawing function, or NULL if we should use a |
* swrast fallback. |
*/ |
static swrast_tri_func |
get_triangle_func(struct gl_context *ctx) |
{ |
#if CHAN_BITS == 8 |
SWcontext *swrast = SWRAST_CONTEXT(ctx); |
XMesaContext xmesa = XMESA_CONTEXT(ctx); |
const struct xmesa_renderbuffer *xrb; |
|
#ifdef DEBUG |
triFuncName = NULL; |
#endif |
|
/* trivial fallback tests */ |
if ((ctx->DrawBuffer->_ColorDrawBufferIndexes[0] != BUFFER_BIT_FRONT_LEFT) && |
(ctx->DrawBuffer->_ColorDrawBufferIndexes[0] != BUFFER_BIT_BACK_LEFT)) |
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; |
|
xrb = xmesa_renderbuffer(ctx->DrawBuffer->_ColorDrawBuffers[0]); |
|
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); |
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); |
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); |
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); |
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( struct gl_context *ctx ) |
{ |
SWcontext *swrast = SWRAST_CONTEXT(ctx); |
|
if (!(swrast->Triangle = get_triangle_func( ctx ))) |
_swrast_choose_triangle( ctx ); |
} |
|