wined3d: Prefer the core glActiveTexture function.

dlls/wined3d/arb_program_shader.c

@@ -7294,7 +7294,7 @@ static void upload_palette(const struct wined3d_texture *texture, struct wined3d
     if (!priv->palette_texture)
         gl_info->gl_ops.gl.p_glGenTextures(1, &priv->palette_texture);
 
-    GL_EXTCALL(glActiveTextureARB(GL_TEXTURE1));
+    GL_EXTCALL(glActiveTexture(GL_TEXTURE1));
     gl_info->gl_ops.gl.p_glBindTexture(GL_TEXTURE_1D, priv->palette_texture);
 
     gl_info->gl_ops.gl.p_glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);

dlls/wined3d/context.c

@@ -1328,8 +1328,8 @@ static void bind_dummy_textures(const struct wined3d_device *device, const struc
 
     for (i = 0; i < count; ++i)
     {
-        GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0_ARB + i));
-        checkGLcall("glActiveTextureARB");
+        GL_EXTCALL(glActiveTexture(GL_TEXTURE0 + i));
+        checkGLcall("glActiveTexture");
 
         gl_info->gl_ops.gl.p_glBindTexture(GL_TEXTURE_2D, device->dummy_texture_2d[i]);
         checkGLcall("glBindTexture");
@@ -2115,8 +2115,8 @@ void context_set_draw_buffer(struct wined3d_context *context, GLenum buffer)
 /* Context activation is done by the caller. */
 void context_active_texture(struct wined3d_context *context, const struct wined3d_gl_info *gl_info, unsigned int unit)
 {
-    GL_EXTCALL(glActiveTextureARB(GL_TEXTURE0 + unit));
-    checkGLcall("glActiveTextureARB");
+    GL_EXTCALL(glActiveTexture(GL_TEXTURE0 + unit));
+    checkGLcall("glActiveTexture");
     context->active_texture = unit;
 }
 

dlls/wined3d/directx.c

@@ -2873,6 +2873,9 @@ static void load_gl_funcs(struct wined3d_gl_info *gl_info)
     USE_GL_FUNC(wglGetPixelFormatAttribivARB)
     USE_GL_FUNC(wglSetPixelFormatWINE)
     USE_GL_FUNC(wglSwapIntervalEXT)
+
+    /* Newer core functions */
+    USE_GL_FUNC(glActiveTexture)            /* OpenGL 1.3 */
 #undef USE_GL_FUNC
 
 #ifndef USE_WIN32_OPENGL
@@ -2880,6 +2883,16 @@ static void load_gl_funcs(struct wined3d_gl_info *gl_info)
     /* note that we still need the above wglGetProcAddress calls to initialize the table */
     gl_info->gl_ops.ext = ((struct opengl_funcs *)NtCurrentTeb()->glTable)->ext;
 #endif
+
+#define MAP_GL_FUNCTION(core_func, ext_func) \
+        do                                                                            \
+        {                                                                             \
+            if (!gl_info->gl_ops.ext.p_##core_func)                                   \
+                gl_info->gl_ops.ext.p_##core_func = gl_info->gl_ops.ext.p_##ext_func; \
+        } while (0)
+
+    MAP_GL_FUNCTION(glActiveTexture, glActiveTextureARB);
+#undef MAP_GL_FUNCTION
 }
 
 static void wined3d_adapter_init_limits(struct wined3d_gl_info *gl_info)

dlls/wined3d/gl_compat.c

@@ -112,7 +112,8 @@ static void WINE_GLAPI wine_glMultiTexCoord4svARB(GLenum target, const GLshort *
     context_get_current()->gl_info->gl_ops.gl.p_glTexCoord4sv(v);
 }
 
-static void WINE_GLAPI wine_glActiveTextureARB(GLenum texture) {
+static void WINE_GLAPI wine_glActiveTexture(GLenum texture)
+{
     if(texture != GL_TEXTURE0) {
         ERR("Texture unit > 0 used, but GL_ARB_multitexture is not supported\n");
         return;
@@ -351,7 +352,7 @@ void add_gl_compat_wrappers(struct wined3d_gl_info *gl_info)
     if (!gl_info->supported[ARB_MULTITEXTURE])
     {
         TRACE("Applying GL_ARB_multitexture emulation hooks\n");
-        gl_info->gl_ops.ext.p_glActiveTextureARB        = wine_glActiveTextureARB;
+        gl_info->gl_ops.ext.p_glActiveTexture           = wine_glActiveTexture;
         gl_info->gl_ops.ext.p_glClientActiveTextureARB  = wine_glClientActiveTextureARB;
         gl_info->gl_ops.ext.p_glMultiTexCoord1fARB      = wine_glMultiTexCoord1fARB;
         gl_info->gl_ops.ext.p_glMultiTexCoord1fvARB     = wine_glMultiTexCoord1fvARB;