diff options
author | David Nusinow <[email protected]> | 2005-12-30 20:12:45 +0000 |
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committer | David Nusinow <[email protected]> | 2005-12-30 20:12:45 +0000 |
commit | bda1e332ce5efe2057421dec58202b43707a504c (patch) | |
tree | 4b825dc642cb6eb9a060e54bf8d69288fbee4904 /src/mesa/swrast/s_pixeltex.c | |
parent | 53b2ad5fd0aaff8cbd605d337b862f12debb26cb (diff) |
Update libs to 7.0 release with packaging
Diffstat (limited to 'src/mesa/swrast/s_pixeltex.c')
-rw-r--r-- | src/mesa/swrast/s_pixeltex.c | 111 |
1 files changed, 0 insertions, 111 deletions
diff --git a/src/mesa/swrast/s_pixeltex.c b/src/mesa/swrast/s_pixeltex.c deleted file mode 100644 index 1c65290d40d..00000000000 --- a/src/mesa/swrast/s_pixeltex.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 6.3 - * - * Copyright (C) 1999-2004 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 implements both the GL_SGIX_pixel_texture and - * GL_SIGS_pixel_texture extensions. Luckily, they pretty much - * overlap in functionality so we use the same state variables - * and execution code for both. - */ - - -#include "glheader.h" -#include "colormac.h" -#include "imports.h" - -#include "s_context.h" -#include "s_pixeltex.h" -#include "s_texture.h" - - -/* - * Convert RGBA values into strq texture coordinates. - */ -static void -pixeltexgen(GLcontext *ctx, GLuint n, const GLchan rgba[][4], - GLfloat texcoord[][4]) -{ - if (ctx->Pixel.FragmentRgbSource == GL_CURRENT_RASTER_COLOR) { - GLuint i; - for (i = 0; i < n; i++) { - texcoord[i][0] = ctx->Current.RasterColor[RCOMP]; - texcoord[i][1] = ctx->Current.RasterColor[GCOMP]; - texcoord[i][2] = ctx->Current.RasterColor[BCOMP]; - } - } - else { - GLuint i; - ASSERT(ctx->Pixel.FragmentRgbSource == GL_PIXEL_GROUP_COLOR_SGIS); - for (i = 0; i < n; i++) { - texcoord[i][0] = CHAN_TO_FLOAT(rgba[i][RCOMP]); - texcoord[i][1] = CHAN_TO_FLOAT(rgba[i][GCOMP]); - texcoord[i][2] = CHAN_TO_FLOAT(rgba[i][BCOMP]); - } - } - - if (ctx->Pixel.FragmentAlphaSource == GL_CURRENT_RASTER_COLOR) { - GLuint i; - for (i = 0; i < n; i++) { - texcoord[i][3] = ctx->Current.RasterColor[ACOMP]; - } - } - else { - GLuint i; - ASSERT(ctx->Pixel.FragmentAlphaSource == GL_PIXEL_GROUP_COLOR_SGIS); - for (i = 0; i < n; i++) { - texcoord[i][3] = CHAN_TO_FLOAT(rgba[i][ACOMP]); - } - } -} - - - -/* - * Used by glDraw/CopyPixels: the incoming image colors are treated - * as texture coordinates. Use those coords to texture the image. - * This is for GL_SGIS_pixel_texture / GL_SGIX_pixel_texture. - */ -void -_swrast_pixel_texture(GLcontext *ctx, struct sw_span *span) -{ - GLuint unit; - - ASSERT(!(span->arrayMask & SPAN_TEXTURE)); - span->arrayMask |= SPAN_TEXTURE; - span->interpMask &= ~SPAN_TEXTURE; - - /* convert colors into texture coordinates */ - pixeltexgen( ctx, span->end, - (const GLchan (*)[4]) span->array->rgba, - span->array->texcoords[0] ); - - /* copy the new texture units for all enabled units */ - for (unit = 1; unit < ctx->Const.MaxTextureUnits; unit++) { - if (ctx->Texture.Unit[unit]._ReallyEnabled) { - MEMCPY( span->array->texcoords[unit], span->array->texcoords[0], - span->end * 4 * sizeof(GLfloat) ); - } - } -} |