- ctx->NewState |= NEW_FOG;
-}
-
-
-typedef void (*fog_func)( struct vertex_buffer *VB, GLuint side,
- GLubyte flag );
-
-
-static fog_func fog_ci_tab[2];
-static fog_func fog_rgba_tab[2];
-
-/*
- * Compute the fogged color for an array of vertices.
- * Input: n - number of vertices
- * v - array of vertices
- * color - the original vertex colors
- * Output: color - the fogged colors
- *
- */
-#define TAG(x) x##_raw
-#define CULLCHECK
-#define IDX 0
-#include "fog_tmp.h"
-
-#define TAG(x) x##_masked
-#define CULLCHECK if (cullmask[i]&flag)
-#define IDX 1
-#include "fog_tmp.h"
-
-void gl_init_fog( void )
-{
- init_fog_tab_masked();
- init_fog_tab_raw();
-}
-
-/*
- * Compute fog for the vertices in the vertex buffer.
- */
-void gl_fog_vertices( struct vertex_buffer *VB )
-{
- GLcontext *ctx = VB->ctx;
- GLuint i = VB->CullMode & 1;
-
- if (ctx->Visual->RGBAflag) {
- /* Fog RGB colors */
- if (ctx->TriangleCaps & DD_TRI_LIGHT_TWOSIDE) {
- fog_rgba_tab[i]( VB, 0, VERT_FACE_FRONT );
- fog_rgba_tab[i]( VB, 1, VERT_FACE_REAR );
- } else {
- fog_rgba_tab[i]( VB, 0, VERT_FACE_FRONT|VERT_FACE_REAR );
- }
- }
- else {
- /* Fog color indexes */
- if (ctx->TriangleCaps & DD_TRI_LIGHT_TWOSIDE) {
- fog_ci_tab[i]( VB, 0, VERT_FACE_FRONT );
- fog_ci_tab[i]( VB, 1, VERT_FACE_REAR );
- } else {
- fog_ci_tab[i]( VB, 0, VERT_FACE_FRONT|VERT_FACE_REAR );
- }
- }
-}
-
-/*
- * Apply fog to an array of RGBA pixels.
- * Input: n - number of pixels
- * z - array of integer depth values
- * red, green, blue, alpha - pixel colors
- * Output: red, green, blue, alpha - fogged pixel colors
- */
-void gl_fog_rgba_pixels( const GLcontext *ctx,
- GLuint n, const GLdepth z[], GLubyte rgba[][4] )
-{
- GLfloat c = ctx->ProjectionMatrix.m[10];
- GLfloat d = ctx->ProjectionMatrix.m[14];
- GLuint i;