mirror of
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Git conversion: Make reactos the root directory, move rosapps, rostests, wallpapers into modules, and delete rossubsys.
This commit is contained in:
Colin Finck
parent
b94e2d8ca0
commit
c2c66aff7d
24198 changed files with 0 additions and 37285 deletions
588
dll/opengl/mesa/main/pixel.c
Normal file
588
dll/opengl/mesa/main/pixel.c
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@ -0,0 +1,588 @@
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/*
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* Mesa 3-D graphics library
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* Version: 7.1
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*
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* Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/**
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* \file pixel.c
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* Pixel transfer functions (glPixelZoom, glPixelMap, glPixelTransfer)
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*/
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#include <precomp.h>
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#if FEATURE_pixel_transfer
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/**********************************************************************/
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/***** glPixelZoom *****/
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/**********************************************************************/
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static void GLAPIENTRY
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_mesa_PixelZoom( GLfloat xfactor, GLfloat yfactor )
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{
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GET_CURRENT_CONTEXT(ctx);
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ASSERT_OUTSIDE_BEGIN_END(ctx);
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if (ctx->Pixel.ZoomX == xfactor &&
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ctx->Pixel.ZoomY == yfactor)
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return;
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FLUSH_VERTICES(ctx, _NEW_PIXEL);
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ctx->Pixel.ZoomX = xfactor;
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ctx->Pixel.ZoomY = yfactor;
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}
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/**********************************************************************/
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/***** glPixelMap *****/
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/**********************************************************************/
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/**
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* Return pointer to a pixelmap by name.
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*/
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static struct gl_pixelmap *
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get_pixelmap(struct gl_context *ctx, GLenum map)
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{
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switch (map) {
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case GL_PIXEL_MAP_I_TO_I:
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return &ctx->PixelMaps.ItoI;
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case GL_PIXEL_MAP_S_TO_S:
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return &ctx->PixelMaps.StoS;
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case GL_PIXEL_MAP_I_TO_R:
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return &ctx->PixelMaps.ItoR;
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case GL_PIXEL_MAP_I_TO_G:
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return &ctx->PixelMaps.ItoG;
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case GL_PIXEL_MAP_I_TO_B:
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return &ctx->PixelMaps.ItoB;
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case GL_PIXEL_MAP_I_TO_A:
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return &ctx->PixelMaps.ItoA;
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case GL_PIXEL_MAP_R_TO_R:
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return &ctx->PixelMaps.RtoR;
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case GL_PIXEL_MAP_G_TO_G:
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return &ctx->PixelMaps.GtoG;
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case GL_PIXEL_MAP_B_TO_B:
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return &ctx->PixelMaps.BtoB;
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case GL_PIXEL_MAP_A_TO_A:
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return &ctx->PixelMaps.AtoA;
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default:
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return NULL;
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}
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}
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/**
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* Helper routine used by the other _mesa_PixelMap() functions.
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*/
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static void
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store_pixelmap(struct gl_context *ctx, GLenum map, GLsizei mapsize,
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const GLfloat *values)
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{
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GLint i;
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struct gl_pixelmap *pm = get_pixelmap(ctx, map);
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if (!pm) {
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_mesa_error(ctx, GL_INVALID_ENUM, "glPixelMap(map)");
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return;
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}
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switch (map) {
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case GL_PIXEL_MAP_S_TO_S:
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/* special case */
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ctx->PixelMaps.StoS.Size = mapsize;
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for (i = 0; i < mapsize; i++) {
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ctx->PixelMaps.StoS.Map[i] = (GLfloat)IROUND(values[i]);
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}
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break;
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case GL_PIXEL_MAP_I_TO_I:
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/* special case */
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ctx->PixelMaps.ItoI.Size = mapsize;
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for (i = 0; i < mapsize; i++) {
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ctx->PixelMaps.ItoI.Map[i] = values[i];
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}
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break;
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default:
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/* general case */
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pm->Size = mapsize;
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for (i = 0; i < mapsize; i++) {
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GLfloat val = CLAMP(values[i], 0.0F, 1.0F);
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pm->Map[i] = val;
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pm->Map8[i] = (GLint) (val * 255.0F);
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}
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}
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}
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static void GLAPIENTRY
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_mesa_PixelMapfv( GLenum map, GLsizei mapsize, const GLfloat *values )
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{
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GET_CURRENT_CONTEXT(ctx);
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ASSERT_OUTSIDE_BEGIN_END(ctx);
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/* XXX someday, test against ctx->Const.MaxPixelMapTableSize */
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if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) {
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_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" );
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return;
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}
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if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
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/* test that mapsize is a power of two */
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if (!_mesa_is_pow_two(mapsize)) {
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_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapfv(mapsize)" );
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return;
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}
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}
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FLUSH_VERTICES(ctx, _NEW_PIXEL);
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if (!values) {
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return;
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}
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store_pixelmap(ctx, map, mapsize, values);
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}
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static void GLAPIENTRY
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_mesa_PixelMapuiv(GLenum map, GLsizei mapsize, const GLuint *values )
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{
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GLfloat fvalues[MAX_PIXEL_MAP_TABLE];
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GET_CURRENT_CONTEXT(ctx);
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ASSERT_OUTSIDE_BEGIN_END(ctx);
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if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) {
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_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
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return;
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}
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if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
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/* test that mapsize is a power of two */
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if (!_mesa_is_pow_two(mapsize)) {
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_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
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return;
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}
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}
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FLUSH_VERTICES(ctx, _NEW_PIXEL);
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if (!values) {
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return;
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}
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/* convert to floats */
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if (map == GL_PIXEL_MAP_I_TO_I || map == GL_PIXEL_MAP_S_TO_S) {
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GLint i;
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for (i = 0; i < mapsize; i++) {
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fvalues[i] = (GLfloat) values[i];
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}
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}
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else {
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GLint i;
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for (i = 0; i < mapsize; i++) {
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fvalues[i] = UINT_TO_FLOAT( values[i] );
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}
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}
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store_pixelmap(ctx, map, mapsize, fvalues);
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}
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static void GLAPIENTRY
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_mesa_PixelMapusv(GLenum map, GLsizei mapsize, const GLushort *values )
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{
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GLfloat fvalues[MAX_PIXEL_MAP_TABLE];
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GET_CURRENT_CONTEXT(ctx);
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ASSERT_OUTSIDE_BEGIN_END(ctx);
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if (mapsize < 1 || mapsize > MAX_PIXEL_MAP_TABLE) {
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_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapusv(mapsize)" );
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return;
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}
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if (map >= GL_PIXEL_MAP_S_TO_S && map <= GL_PIXEL_MAP_I_TO_A) {
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/* test that mapsize is a power of two */
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if (!_mesa_is_pow_two(mapsize)) {
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_mesa_error( ctx, GL_INVALID_VALUE, "glPixelMapuiv(mapsize)" );
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return;
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}
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}
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FLUSH_VERTICES(ctx, _NEW_PIXEL);
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if (!values) {
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return;
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}
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/* convert to floats */
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if (map == GL_PIXEL_MAP_I_TO_I || map == GL_PIXEL_MAP_S_TO_S) {
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GLint i;
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for (i = 0; i < mapsize; i++) {
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fvalues[i] = (GLfloat) values[i];
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}
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}
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else {
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GLint i;
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for (i = 0; i < mapsize; i++) {
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fvalues[i] = USHORT_TO_FLOAT( values[i] );
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}
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}
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store_pixelmap(ctx, map, mapsize, fvalues);
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}
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static void GLAPIENTRY
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_mesa_GetPixelMapfv( GLenum map, GLfloat *values )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLint mapsize, i;
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const struct gl_pixelmap *pm;
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ASSERT_OUTSIDE_BEGIN_END(ctx);
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pm = get_pixelmap(ctx, map);
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if (!pm) {
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_mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapfv(map)");
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return;
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}
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mapsize = pm->Size;
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if (!values) {
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return;
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}
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if (map == GL_PIXEL_MAP_S_TO_S) {
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/* special case */
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for (i = 0; i < mapsize; i++) {
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values[i] = (GLfloat) ctx->PixelMaps.StoS.Map[i];
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}
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}
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else {
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memcpy(values, pm->Map, mapsize * sizeof(GLfloat));
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}
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}
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static void GLAPIENTRY
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_mesa_GetPixelMapuiv( GLenum map, GLuint *values )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLint mapsize, i;
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const struct gl_pixelmap *pm;
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ASSERT_OUTSIDE_BEGIN_END(ctx);
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pm = get_pixelmap(ctx, map);
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if (!pm) {
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_mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapuiv(map)");
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return;
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}
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mapsize = pm->Size;
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if (!values) {
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return;
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}
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if (map == GL_PIXEL_MAP_S_TO_S) {
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/* special case */
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memcpy(values, ctx->PixelMaps.StoS.Map, mapsize * sizeof(GLint));
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}
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else {
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for (i = 0; i < mapsize; i++) {
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values[i] = FLOAT_TO_UINT( pm->Map[i] );
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}
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}
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}
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static void GLAPIENTRY
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_mesa_GetPixelMapusv( GLenum map, GLushort *values )
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{
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GET_CURRENT_CONTEXT(ctx);
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GLint mapsize, i;
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const struct gl_pixelmap *pm;
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ASSERT_OUTSIDE_BEGIN_END(ctx);
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pm = get_pixelmap(ctx, map);
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if (!pm) {
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_mesa_error(ctx, GL_INVALID_ENUM, "glGetPixelMapusv(map)");
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return;
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}
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mapsize = pm->Size;
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|
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if (!values) {
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return;
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}
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switch (map) {
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/* special cases */
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case GL_PIXEL_MAP_I_TO_I:
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for (i = 0; i < mapsize; i++) {
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values[i] = (GLushort) CLAMP(ctx->PixelMaps.ItoI.Map[i], 0.0, 65535.);
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}
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break;
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case GL_PIXEL_MAP_S_TO_S:
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for (i = 0; i < mapsize; i++) {
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values[i] = (GLushort) CLAMP(ctx->PixelMaps.StoS.Map[i], 0.0, 65535.);
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}
|
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break;
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default:
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for (i = 0; i < mapsize; i++) {
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CLAMPED_FLOAT_TO_USHORT(values[i], pm->Map[i] );
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}
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}
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}
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/**********************************************************************/
|
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/***** glPixelTransfer *****/
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/**********************************************************************/
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/*
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* Implements glPixelTransfer[fi] whether called immediately or from a
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* display list.
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*/
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void GLAPIENTRY
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_mesa_PixelTransferf( GLenum pname, GLfloat param )
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{
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GET_CURRENT_CONTEXT(ctx);
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ASSERT_OUTSIDE_BEGIN_END(ctx);
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|
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switch (pname) {
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case GL_MAP_COLOR:
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if (ctx->Pixel.MapColorFlag == (param ? GL_TRUE : GL_FALSE))
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return;
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FLUSH_VERTICES(ctx, _NEW_PIXEL);
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ctx->Pixel.MapColorFlag = param ? GL_TRUE : GL_FALSE;
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break;
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case GL_MAP_STENCIL:
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if (ctx->Pixel.MapStencilFlag == (param ? GL_TRUE : GL_FALSE))
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return;
|
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FLUSH_VERTICES(ctx, _NEW_PIXEL);
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ctx->Pixel.MapStencilFlag = param ? GL_TRUE : GL_FALSE;
|
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break;
|
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case GL_INDEX_SHIFT:
|
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if (ctx->Pixel.IndexShift == (GLint) param)
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return;
|
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FLUSH_VERTICES(ctx, _NEW_PIXEL);
|
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ctx->Pixel.IndexShift = (GLint) param;
|
||||
break;
|
||||
case GL_INDEX_OFFSET:
|
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if (ctx->Pixel.IndexOffset == (GLint) param)
|
||||
return;
|
||||
FLUSH_VERTICES(ctx, _NEW_PIXEL);
|
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ctx->Pixel.IndexOffset = (GLint) param;
|
||||
break;
|
||||
case GL_RED_SCALE:
|
||||
if (ctx->Pixel.RedScale == param)
|
||||
return;
|
||||
FLUSH_VERTICES(ctx, _NEW_PIXEL);
|
||||
ctx->Pixel.RedScale = param;
|
||||
break;
|
||||
case GL_RED_BIAS:
|
||||
if (ctx->Pixel.RedBias == param)
|
||||
return;
|
||||
FLUSH_VERTICES(ctx, _NEW_PIXEL);
|
||||
ctx->Pixel.RedBias = param;
|
||||
break;
|
||||
case GL_GREEN_SCALE:
|
||||
if (ctx->Pixel.GreenScale == param)
|
||||
return;
|
||||
FLUSH_VERTICES(ctx, _NEW_PIXEL);
|
||||
ctx->Pixel.GreenScale = param;
|
||||
break;
|
||||
case GL_GREEN_BIAS:
|
||||
if (ctx->Pixel.GreenBias == param)
|
||||
return;
|
||||
FLUSH_VERTICES(ctx, _NEW_PIXEL);
|
||||
ctx->Pixel.GreenBias = param;
|
||||
break;
|
||||
case GL_BLUE_SCALE:
|
||||
if (ctx->Pixel.BlueScale == param)
|
||||
return;
|
||||
FLUSH_VERTICES(ctx, _NEW_PIXEL);
|
||||
ctx->Pixel.BlueScale = param;
|
||||
break;
|
||||
case GL_BLUE_BIAS:
|
||||
if (ctx->Pixel.BlueBias == param)
|
||||
return;
|
||||
FLUSH_VERTICES(ctx, _NEW_PIXEL);
|
||||
ctx->Pixel.BlueBias = param;
|
||||
break;
|
||||
case GL_ALPHA_SCALE:
|
||||
if (ctx->Pixel.AlphaScale == param)
|
||||
return;
|
||||
FLUSH_VERTICES(ctx, _NEW_PIXEL);
|
||||
ctx->Pixel.AlphaScale = param;
|
||||
break;
|
||||
case GL_ALPHA_BIAS:
|
||||
if (ctx->Pixel.AlphaBias == param)
|
||||
return;
|
||||
FLUSH_VERTICES(ctx, _NEW_PIXEL);
|
||||
ctx->Pixel.AlphaBias = param;
|
||||
break;
|
||||
case GL_DEPTH_SCALE:
|
||||
if (ctx->Pixel.DepthScale == param)
|
||||
return;
|
||||
FLUSH_VERTICES(ctx, _NEW_PIXEL);
|
||||
ctx->Pixel.DepthScale = param;
|
||||
break;
|
||||
case GL_DEPTH_BIAS:
|
||||
if (ctx->Pixel.DepthBias == param)
|
||||
return;
|
||||
FLUSH_VERTICES(ctx, _NEW_PIXEL);
|
||||
ctx->Pixel.DepthBias = param;
|
||||
break;
|
||||
default:
|
||||
_mesa_error( ctx, GL_INVALID_ENUM, "glPixelTransfer(pname)" );
|
||||
return;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static void GLAPIENTRY
|
||||
_mesa_PixelTransferi( GLenum pname, GLint param )
|
||||
{
|
||||
_mesa_PixelTransferf( pname, (GLfloat) param );
|
||||
}
|
||||
|
||||
|
||||
|
||||
/**********************************************************************/
|
||||
/***** State Management *****/
|
||||
/**********************************************************************/
|
||||
|
||||
/*
|
||||
* Return a bitmask of IMAGE_*_BIT flags which to indicate which
|
||||
* pixel transfer operations are enabled.
|
||||
*/
|
||||
static void
|
||||
update_image_transfer_state(struct gl_context *ctx)
|
||||
{
|
||||
GLuint mask = 0;
|
||||
|
||||
if (ctx->Pixel.RedScale != 1.0F || ctx->Pixel.RedBias != 0.0F ||
|
||||
ctx->Pixel.GreenScale != 1.0F || ctx->Pixel.GreenBias != 0.0F ||
|
||||
ctx->Pixel.BlueScale != 1.0F || ctx->Pixel.BlueBias != 0.0F ||
|
||||
ctx->Pixel.AlphaScale != 1.0F || ctx->Pixel.AlphaBias != 0.0F)
|
||||
mask |= IMAGE_SCALE_BIAS_BIT;
|
||||
|
||||
if (ctx->Pixel.IndexShift || ctx->Pixel.IndexOffset)
|
||||
mask |= IMAGE_SHIFT_OFFSET_BIT;
|
||||
|
||||
if (ctx->Pixel.MapColorFlag)
|
||||
mask |= IMAGE_MAP_COLOR_BIT;
|
||||
|
||||
ctx->_ImageTransferState = mask;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Update mesa pixel transfer derived state.
|
||||
*/
|
||||
void _mesa_update_pixel( struct gl_context *ctx, GLuint new_state )
|
||||
{
|
||||
if (new_state & _NEW_PIXEL)
|
||||
update_image_transfer_state(ctx);
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
_mesa_init_pixel_dispatch(struct _glapi_table *disp)
|
||||
{
|
||||
SET_GetPixelMapfv(disp, _mesa_GetPixelMapfv);
|
||||
SET_GetPixelMapuiv(disp, _mesa_GetPixelMapuiv);
|
||||
SET_GetPixelMapusv(disp, _mesa_GetPixelMapusv);
|
||||
SET_PixelMapfv(disp, _mesa_PixelMapfv);
|
||||
SET_PixelMapuiv(disp, _mesa_PixelMapuiv);
|
||||
SET_PixelMapusv(disp, _mesa_PixelMapusv);
|
||||
SET_PixelTransferf(disp, _mesa_PixelTransferf);
|
||||
SET_PixelTransferi(disp, _mesa_PixelTransferi);
|
||||
SET_PixelZoom(disp, _mesa_PixelZoom);
|
||||
}
|
||||
|
||||
|
||||
#endif /* FEATURE_pixel_transfer */
|
||||
|
||||
|
||||
/**********************************************************************/
|
||||
/***** Initialization *****/
|
||||
/**********************************************************************/
|
||||
|
||||
static void
|
||||
init_pixelmap(struct gl_pixelmap *map)
|
||||
{
|
||||
map->Size = 1;
|
||||
map->Map[0] = 0.0;
|
||||
map->Map8[0] = 0;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Initialize the context's PIXEL attribute group.
|
||||
*/
|
||||
void
|
||||
_mesa_init_pixel( struct gl_context *ctx )
|
||||
{
|
||||
/* Pixel group */
|
||||
ctx->Pixel.RedBias = 0.0;
|
||||
ctx->Pixel.RedScale = 1.0;
|
||||
ctx->Pixel.GreenBias = 0.0;
|
||||
ctx->Pixel.GreenScale = 1.0;
|
||||
ctx->Pixel.BlueBias = 0.0;
|
||||
ctx->Pixel.BlueScale = 1.0;
|
||||
ctx->Pixel.AlphaBias = 0.0;
|
||||
ctx->Pixel.AlphaScale = 1.0;
|
||||
ctx->Pixel.DepthBias = 0.0;
|
||||
ctx->Pixel.DepthScale = 1.0;
|
||||
ctx->Pixel.IndexOffset = 0;
|
||||
ctx->Pixel.IndexShift = 0;
|
||||
ctx->Pixel.ZoomX = 1.0;
|
||||
ctx->Pixel.ZoomY = 1.0;
|
||||
ctx->Pixel.MapColorFlag = GL_FALSE;
|
||||
ctx->Pixel.MapStencilFlag = GL_FALSE;
|
||||
init_pixelmap(&ctx->PixelMaps.StoS);
|
||||
init_pixelmap(&ctx->PixelMaps.ItoI);
|
||||
init_pixelmap(&ctx->PixelMaps.ItoR);
|
||||
init_pixelmap(&ctx->PixelMaps.ItoG);
|
||||
init_pixelmap(&ctx->PixelMaps.ItoB);
|
||||
init_pixelmap(&ctx->PixelMaps.ItoA);
|
||||
init_pixelmap(&ctx->PixelMaps.RtoR);
|
||||
init_pixelmap(&ctx->PixelMaps.GtoG);
|
||||
init_pixelmap(&ctx->PixelMaps.BtoB);
|
||||
init_pixelmap(&ctx->PixelMaps.AtoA);
|
||||
|
||||
if (ctx->Visual.doubleBufferMode) {
|
||||
ctx->Pixel.ReadBuffer = GL_BACK;
|
||||
}
|
||||
else {
|
||||
ctx->Pixel.ReadBuffer = GL_FRONT;
|
||||
}
|
||||
|
||||
/* Miscellaneous */
|
||||
ctx->_ImageTransferState = 0;
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue