diff options
Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/main/fog.c')
| -rw-r--r-- | nx-X11/extras/Mesa/src/mesa/main/fog.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/main/fog.c b/nx-X11/extras/Mesa/src/mesa/main/fog.c deleted file mode 100644 index d3b8a923a..000000000 --- a/nx-X11/extras/Mesa/src/mesa/main/fog.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Mesa 3-D graphics library - * Version: 5.1 - * - * Copyright (C) 1999-2003 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. - */ - - -#include "glheader.h" -#include "colormac.h" -#include "context.h" -#include "fog.h" -#include "mtypes.h" - - - -void GLAPIENTRY -_mesa_Fogf(GLenum pname, GLfloat param) -{ - _mesa_Fogfv(pname, ¶m); -} - - -void GLAPIENTRY -_mesa_Fogi(GLenum pname, GLint param ) -{ - GLfloat fparam = (GLfloat) param; - _mesa_Fogfv(pname, &fparam); -} - - -void GLAPIENTRY -_mesa_Fogiv(GLenum pname, const GLint *params ) -{ - GLfloat p[4]; - switch (pname) { - case GL_FOG_MODE: - case GL_FOG_DENSITY: - case GL_FOG_START: - case GL_FOG_END: - case GL_FOG_INDEX: - case GL_FOG_COORDINATE_SOURCE_EXT: - p[0] = (GLfloat) *params; - break; - case GL_FOG_COLOR: - p[0] = INT_TO_FLOAT( params[0] ); - p[1] = INT_TO_FLOAT( params[1] ); - p[2] = INT_TO_FLOAT( params[2] ); - p[3] = INT_TO_FLOAT( params[3] ); - break; - default: - /* Error will be caught later in _mesa_Fogfv */ - ; - } - _mesa_Fogfv(pname, p); -} - - -void GLAPIENTRY -_mesa_Fogfv( GLenum pname, const GLfloat *params ) -{ - GET_CURRENT_CONTEXT(ctx); - GLenum m; - ASSERT_OUTSIDE_BEGIN_END(ctx); - - switch (pname) { - case GL_FOG_MODE: - m = (GLenum) (GLint) *params; - switch (m) { - case GL_LINEAR: - case GL_EXP: - case GL_EXP2: - break; - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glFog" ); - return; - } - if (ctx->Fog.Mode == m) - return; - FLUSH_VERTICES(ctx, _NEW_FOG); - ctx->Fog.Mode = m; - break; - case GL_FOG_DENSITY: - if (*params<0.0) { - _mesa_error( ctx, GL_INVALID_VALUE, "glFog" ); - return; - } - if (ctx->Fog.Density == *params) - return; - FLUSH_VERTICES(ctx, _NEW_FOG); - ctx->Fog.Density = *params; - break; - case GL_FOG_START: - if (ctx->Fog.Start == *params) - return; - FLUSH_VERTICES(ctx, _NEW_FOG); - ctx->Fog.Start = *params; - break; - case GL_FOG_END: - if (ctx->Fog.End == *params) - return; - FLUSH_VERTICES(ctx, _NEW_FOG); - ctx->Fog.End = *params; - break; - case GL_FOG_INDEX: - if (ctx->Fog.Index == *params) - return; - FLUSH_VERTICES(ctx, _NEW_FOG); - ctx->Fog.Index = *params; - break; - case GL_FOG_COLOR: - if (TEST_EQ_4V(ctx->Fog.Color, params)) - return; - FLUSH_VERTICES(ctx, _NEW_FOG); - ctx->Fog.Color[0] = CLAMP(params[0], 0.0F, 1.0F); - ctx->Fog.Color[1] = CLAMP(params[1], 0.0F, 1.0F); - ctx->Fog.Color[2] = CLAMP(params[2], 0.0F, 1.0F); - ctx->Fog.Color[3] = CLAMP(params[3], 0.0F, 1.0F); - break; - case GL_FOG_COORDINATE_SOURCE_EXT: { - GLenum p = (GLenum) (GLint) *params; - if (!ctx->Extensions.EXT_fog_coord || - (p != GL_FOG_COORDINATE_EXT && p != GL_FRAGMENT_DEPTH_EXT)) { - _mesa_error(ctx, GL_INVALID_ENUM, "glFog"); - return; - } - if (ctx->Fog.FogCoordinateSource == p) - return; - FLUSH_VERTICES(ctx, _NEW_FOG); - ctx->Fog.FogCoordinateSource = p; - break; - } - default: - _mesa_error( ctx, GL_INVALID_ENUM, "glFog" ); - return; - } - - if (ctx->Driver.Fogfv) { - (*ctx->Driver.Fogfv)( ctx, pname, params ); - } -} - - -/**********************************************************************/ -/***** Initialization *****/ -/**********************************************************************/ - -void _mesa_init_fog( GLcontext * ctx ) -{ - /* Fog group */ - ctx->Fog.Enabled = GL_FALSE; - ctx->Fog.Mode = GL_EXP; - ASSIGN_4V( ctx->Fog.Color, 0.0, 0.0, 0.0, 0.0 ); - ctx->Fog.Index = 0.0; - ctx->Fog.Density = 1.0; - ctx->Fog.Start = 0.0; - ctx->Fog.End = 1.0; - ctx->Fog.ColorSumEnabled = GL_FALSE; - ctx->Fog.FogCoordinateSource = GL_FRAGMENT_DEPTH_EXT; -} |