static void WINE_GLAPI wine_glMultiTexCoord2svARB(GLenum target, const GLshort *v) {
if(target != GL_TEXTURE0) {
ERR("Texture unit > 0 used, but GL_ARB_multitexture is not supported\n");
return;
}
context_get_current()->gl_info->gl_ops.gl.p_glTexCoord2sv(v);
}
static void WINE_GLAPI wine_glMultiTexCoord4fARB(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q) {
if(target != GL_TEXTURE0) {
ERR("Texture unit > 0 used, but GL_ARB_multitexture is not supported\n");
return;
}
context_get_current()->gl_info->gl_ops.gl.p_glTexCoord4f(s, t, r, q);
}
static void WINE_GLAPI wine_glColor4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a) {
struct wined3d_context *ctx = context_get_current();
ctx->color[0] = r;
ctx->color[1] = g;
ctx->color[2] = b;
ctx->color[3] = a;
old_fogcoord_glColor4f(r, g, b, a);
}
static void WINE_GLAPI wine_glDisable(GLenum cap) {
if(cap == GL_FOG) {
struct wined3d_context *ctx = context_get_current();
ctx->fog_enabled = 0;
if(ctx->gl_fog_source != GL_FRAGMENT_DEPTH_EXT) return;
}
old_fogcoord_glDisable(cap);
}
static void WINE_GLAPI wine_glVertex4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w) {
struct wined3d_context *ctx = context_get_current();
if(ctx->gl_fog_source == GL_FOG_COORDINATE_EXT && ctx->fog_enabled) {
GLfloat c[4] = {ctx->color[0], ctx->color[1], ctx->color[2], ctx->color[3]};
GLfloat i;
i = (ctx->fogend - ctx->fog_coord_value) / (ctx->fogend - ctx->fogstart);
c[0] = i * c[0] + (1.0f - i) * ctx->fogcolor[0];
c[1] = i * c[1] + (1.0f - i) * ctx->fogcolor[1];
c[2] = i * c[2] + (1.0f - i) * ctx->fogcolor[2];
old_fogcoord_glColor4f(c[0], c[1], c[2], c[3]);
old_fogcoord_glVertex4f(x, y, z, w);
} else {
old_fogcoord_glVertex4f(x, y, z, w);
}
}
static void WINE_GLAPI wine_glFogf(GLenum pname, GLfloat param) {
struct wined3d_context *ctx = context_get_current();
if(pname == GL_FOG_COORDINATE_SOURCE_EXT) {
ctx->gl_fog_source = (GLint) param;
if(param == GL_FRAGMENT_DEPTH_EXT) {
if(ctx->fog_enabled) old_fogcoord_glEnable(GL_FOG);
} else {
WARN("Fog coords activated, but not supported. Using slow emulation\n");
old_fogcoord_glDisable(GL_FOG);
}
} else {
if(pname == GL_FOG_START) {
ctx->fogstart = param;
} else if(pname == GL_FOG_END) {
ctx->fogend = param;
}
old_fogcoord_glFogf(pname, param);
}
}
static void WINE_GLAPI wine_glFogfv(GLenum pname, const GLfloat *param) {
struct wined3d_context *ctx = context_get_current();
if(pname == GL_FOG_COORDINATE_SOURCE_EXT) {
ctx->gl_fog_source = (GLint) *param;
if(*param == GL_FRAGMENT_DEPTH_EXT) {
if(ctx->fog_enabled) old_fogcoord_glEnable(GL_FOG);
} else {
WARN_(d3d_perf)("Fog coords activated, but not supported. Using slow emulation\n");
old_fogcoord_glDisable(GL_FOG);
}
} else {
if(pname == GL_FOG_COLOR) {
ctx->fogcolor[0] = param[0];
ctx->fogcolor[1] = param[1];
ctx->fogcolor[2] = param[2];
ctx->fogcolor[3] = param[3];
} else if(pname == GL_FOG_START) {
ctx->fogstart = *param;
} else if(pname == GL_FOG_END) {
ctx->fogend = *param;
}
old_fogcoord_glFogfv(pname, param);
}
}
/* In D3D the fog coord is a UBYTE, so there's no problem with using the single
* precision function
*/
static void WINE_GLAPI wine_glFogCoordfEXT(GLfloat f) {
struct wined3d_context *ctx = context_get_current();
ctx->fog_coord_value = f;
}