mesa: Eliminate gl_config::rgbMode

Reviewed-by: Eric Anholt <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>

8 files changed, 31 insertions, 68 deletions

diff --git a/src/gallium/state_trackers/glx/xlib/glx_api.c b/src/gallium/state_trackers/glx/xlib/glx_api.c
index 748efea8649..b9ad7bebe30 100644
--- a/src/gallium/state_trackers/glx/xlib/glx_api.c
+++ b/src/gallium/state_trackers/glx/xlib/glx_api.c
@@ -191,6 +191,9 @@ save_glx_visual( Display *dpy, XVisualInfo *vinfo,
    GLint i;
    GLboolean comparePointers;
 
+   if (!rgbFlag)
+      return NULL;
+
    if (dbFlag) {
       /* Check if the MESA_BACK_BUFFER env var is set */
       char *backbuffer = getenv("MESA_BACK_BUFFER");
@@ -234,7 +237,6 @@ save_glx_visual( Display *dpy, XVisualInfo *vinfo,
           && v->mesa_visual.numAuxBuffers == numAuxBuffers
           && v->mesa_visual.samples == num_samples
           && v->ximage_flag == ximageFlag
-          && v->mesa_visual.rgbMode == rgbFlag
           && v->mesa_visual.doubleBufferMode == dbFlag
           && v->mesa_visual.stereoMode == stereoFlag
           && (v->mesa_visual.alphaBits > 0) == alphaFlag
@@ -1522,12 +1524,7 @@ get_config( XMesaVisual xmvis, int attrib, int *value, GLboolean fbconfig )
       case GLX_RGBA:
          if (fbconfig)
             return GLX_BAD_ATTRIBUTE;
-	 if (xmvis->mesa_visual.rgbMode) {
-	    *value = True;
-	 }
-	 else {
-	    *value = False;
-	 }
+         *value = True;
 	 return 0;
       case GLX_DOUBLEBUFFER:
 	 *value = (int) xmvis->mesa_visual.doubleBufferMode;
@@ -1639,10 +1636,7 @@ get_config( XMesaVisual xmvis, int attrib, int *value, GLboolean fbconfig )
       case GLX_RENDER_TYPE_SGIX:
          if (!fbconfig)
             return GLX_BAD_ATTRIBUTE;
-         if (xmvis->mesa_visual.rgbMode)
-            *value = GLX_RGBA_BIT;
-         else
-            *value = GLX_COLOR_INDEX_BIT;
+         *value = GLX_RGBA_BIT;
          break;
       case GLX_X_RENDERABLE_SGIX:
          if (!fbconfig)
@@ -2222,10 +2216,7 @@ glXQueryContext( Display *dpy, GLXContext ctx, int attribute, int *value )
       *value = xmctx->xm_visual->visinfo->visualid;
       break;
    case GLX_RENDER_TYPE:
-      if (xmctx->xm_visual->mesa_visual.rgbMode)
-         *value = GLX_RGBA_TYPE;
-      else
-         *value = GLX_COLOR_INDEX_TYPE;
+      *value = GLX_RGBA_TYPE;
       break;
    case GLX_SCREEN:
       *value = 0;
diff --git a/src/gallium/state_trackers/glx/xlib/xm_api.c b/src/gallium/state_trackers/glx/xlib/xm_api.c
index 3e01922c982..4351cd6e622 100644
--- a/src/gallium/state_trackers/glx/xlib/xm_api.c
+++ b/src/gallium/state_trackers/glx/xlib/xm_api.c
@@ -636,15 +636,13 @@ xmesa_free_buffer(XMesaBuffer buffer)
  * initializing the context's visual and buffer information.
  * \param v  the XMesaVisual to initialize
  * \param b  the XMesaBuffer to initialize (may be NULL)
- * \param rgb_flag  TRUE = RGBA mode, FALSE = color index mode
  * \param window  the window/pixmap we're rendering into
  * \param cmap  the colormap associated with the window/pixmap
  * \return GL_TRUE=success, GL_FALSE=failure
  */
 static GLboolean
 initialize_visual_and_buffer(XMesaVisual v, XMesaBuffer b,
-                             GLboolean rgb_flag, Drawable window,
-                             Colormap cmap)
+                             Drawable window, Colormap cmap)
 {
    assert(!b || b->xm_visual == v);
 
@@ -652,28 +650,22 @@ initialize_visual_and_buffer(XMesaVisual v, XMesaBuffer b,
    v->BitsPerPixel = bits_per_pixel(v);
    assert(v->BitsPerPixel > 0);
 
-   if (rgb_flag == GL_FALSE) {
-      /* COLOR-INDEXED WINDOW: not supported*/
+   /* RGB WINDOW:
+    * We support RGB rendering into almost any kind of visual.
+    */
+   const int xclass = v->visualType;
+   if (xclass != GLX_TRUE_COLOR && xclass != GLX_DIRECT_COLOR) {
+      _mesa_warning(NULL,
+         "XMesa: RGB mode rendering not supported in given visual.\n");
       return GL_FALSE;
    }
-   else {
-      /* RGB WINDOW:
-       * We support RGB rendering into almost any kind of visual.
-       */
-      const int xclass = v->visualType;
-      if (xclass != GLX_TRUE_COLOR && xclass != GLX_DIRECT_COLOR) {
-	 _mesa_warning(NULL,
-            "XMesa: RGB mode rendering not supported in given visual.\n");
-	 return GL_FALSE;
-      }
 
-      if (v->BitsPerPixel == 32) {
-         /* We use XImages for all front/back buffers.  If an X Window or
-          * X Pixmap is 32bpp, there's no guarantee that the alpha channel
-          * will be preserved.  For XImages we're in luck.
-          */
-         v->mesa_visual.alphaBits = 8;
-      }
+   if (v->BitsPerPixel == 32) {
+      /* We use XImages for all front/back buffers.  If an X Window or
+       * X Pixmap is 32bpp, there's no guarantee that the alpha channel
+       * will be preserved.  For XImages we're in luck.
+       */
+      v->mesa_visual.alphaBits = 8;
    }
 
    /*
@@ -774,6 +766,9 @@ XMesaVisual XMesaCreateVisual( Display *display,
    if (!xmdpy)
       return NULL;
 
+   if (!rgb_flag)
+      return NULL;
+
    /* For debugging only */
    if (getenv("MESA_XSYNC")) {
       /* This makes debugging X easier.
@@ -820,7 +815,7 @@ XMesaVisual XMesaCreateVisual( Display *display,
    if (alpha_flag)
       v->mesa_visual.alphaBits = 8;
 
-   (void) initialize_visual_and_buffer( v, NULL, rgb_flag, 0, 0 );
+   (void) initialize_visual_and_buffer( v, NULL, 0, 0 );
 
    {
       const int xclass = v->visualType;
@@ -848,7 +843,6 @@ XMesaVisual XMesaCreateVisual( Display *display,
    {
       struct gl_config *vis = &v->mesa_visual;
 
-      vis->rgbMode          = GL_TRUE;
       vis->doubleBufferMode = db_flag;
       vis->stereoMode       = stereo_flag;
 
@@ -1109,8 +1103,7 @@ XMesaCreateWindowBuffer(XMesaVisual v, Window w)
    if (!b)
       return NULL;
 
-   if (!initialize_visual_and_buffer( v, b, v->mesa_visual.rgbMode,
-                                      (Drawable) w, cmap )) {
+   if (!initialize_visual_and_buffer( v, b, (Drawable) w, cmap )) {
       xmesa_free_buffer(b);
       return NULL;
    }
@@ -1140,8 +1133,7 @@ XMesaCreatePixmapBuffer(XMesaVisual v, Pixmap p, Colormap cmap)
    if (!b)
       return NULL;
 
-   if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode,
-				     (Drawable) p, cmap)) {
+   if (!initialize_visual_and_buffer(v, b, (Drawable) p, cmap)) {
       xmesa_free_buffer(b);
       return NULL;
    }
@@ -1199,8 +1191,7 @@ XMesaCreatePixmapTextureBuffer(XMesaVisual v, Pixmap p,
    b->TextureFormat = format;
    b->TextureMipmap = mipmap;
 
-   if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode,
-				     (Drawable) p, cmap)) {
+   if (!initialize_visual_and_buffer(v, b, (Drawable) p, cmap)) {
       xmesa_free_buffer(b);
       return NULL;
    }
@@ -1229,8 +1220,7 @@ XMesaCreatePBuffer(XMesaVisual v, Colormap cmap,
    if (!b)
       return NULL;
 
-   if (!initialize_visual_and_buffer(v, b, v->mesa_visual.rgbMode,
-				     drawable, cmap)) {
+   if (!initialize_visual_and_buffer(v, b, drawable, cmap)) {
       xmesa_free_buffer(b);
       return NULL;
    }
diff --git a/src/mesa/drivers/dri/common/utils.c b/src/mesa/drivers/dri/common/utils.c
index 8621c36e988..0fdca2d9d84 100644
--- a/src/mesa/drivers/dri/common/utils.c
+++ b/src/mesa/drivers/dri/common/utils.c
@@ -355,7 +355,6 @@ driCreateConfigs(mesa_format format,
 		    modes->transparentBlue = GLX_DONT_CARE;
 		    modes->transparentAlpha = GLX_DONT_CARE;
 		    modes->transparentIndex = GLX_DONT_CARE;
-		    modes->rgbMode = GL_TRUE;
 
 		    if (db_modes[i] == __DRI_ATTRIB_SWAP_NONE) {
 		    	modes->doubleBufferMode = GL_FALSE;
diff --git a/src/mesa/drivers/x11/fakeglx.c b/src/mesa/drivers/x11/fakeglx.c
index af60bfaaa4e..593c8d1f7eb 100644
--- a/src/mesa/drivers/x11/fakeglx.c
+++ b/src/mesa/drivers/x11/fakeglx.c
@@ -1551,12 +1551,7 @@ get_config( XMesaVisual xmvis, int attrib, int *value, GLboolean fbconfig )
       case GLX_RGBA:
          if (fbconfig)
             return GLX_BAD_ATTRIBUTE;
-	 if (xmvis->mesa_visual.rgbMode) {
-	    *value = True;
-	 }
-	 else {
-	    *value = False;
-	 }
+         *value = True;
 	 return 0;
       case GLX_DOUBLEBUFFER:
 	 *value = (int) xmvis->mesa_visual.doubleBufferMode;
@@ -1618,12 +1613,7 @@ get_config( XMesaVisual xmvis, int attrib, int *value, GLboolean fbconfig )
          }
          else if (xmvis->mesa_visual.level>0) {
             /* overlay */
-            if (xmvis->mesa_visual.rgbMode) {
-               *value = GLX_TRANSPARENT_RGB_EXT;
-            }
-            else {
-               *value = GLX_TRANSPARENT_INDEX_EXT;
-            }
+            *value = GLX_TRANSPARENT_RGB_EXT;
          }
          else if (xmvis->mesa_visual.level<0) {
             /* underlay */
@@ -1691,10 +1681,8 @@ get_config( XMesaVisual xmvis, int attrib, int *value, GLboolean fbconfig )
             return GLX_BAD_ATTRIBUTE;
          if (xmvis->mesa_visual.floatMode)
             *value = GLX_RGBA_FLOAT_BIT_ARB;
-         else if (xmvis->mesa_visual.rgbMode)
-            *value = GLX_RGBA_BIT;
          else
-            *value = GLX_COLOR_INDEX_BIT;
+            *value = GLX_RGBA_BIT;
          break;
       case GLX_X_RENDERABLE_SGIX:
          if (!fbconfig)
diff --git a/src/mesa/main/context.c b/src/mesa/main/context.c
index ee5eee32948..5a8f0ff191e 100644
--- a/src/mesa/main/context.c
+++ b/src/mesa/main/context.c
@@ -287,7 +287,6 @@ _mesa_initialize_visual( struct gl_config *vis,
    assert(accumBlueBits >= 0);
    assert(accumAlphaBits >= 0);
 
-   vis->rgbMode          = GL_TRUE;
    vis->doubleBufferMode = dbFlag;
    vis->stereoMode       = stereoFlag;
 
diff --git a/src/mesa/main/framebuffer.c b/src/mesa/main/framebuffer.c
index 727831e3d97..9246a0465a6 100644
--- a/src/mesa/main/framebuffer.c
+++ b/src/mesa/main/framebuffer.c
@@ -435,7 +435,6 @@ _mesa_update_framebuffer_visual(struct gl_context *ctx,
 				struct gl_framebuffer *fb)
 {
    memset(&fb->Visual, 0, sizeof(fb->Visual));
-   fb->Visual.rgbMode = GL_TRUE; /* assume this */
 
    /* find first RGB renderbuffer */
    for (unsigned i = 0; i < BUFFER_COUNT; i++) {
diff --git a/src/mesa/main/mtypes.h b/src/mesa/main/mtypes.h
index af5b60fcf5a..b7eef64bfd9 100644
--- a/src/mesa/main/mtypes.h
+++ b/src/mesa/main/mtypes.h
@@ -159,7 +159,6 @@ _mesa_varying_slot_in_fs(gl_varying_slot slot)
  */
 struct gl_config
 {
-   GLboolean rgbMode;
    GLboolean floatMode;
    GLuint doubleBufferMode;
    GLuint stereoMode;
diff --git a/src/mesa/state_tracker/st_manager.c b/src/mesa/state_tracker/st_manager.c
index b49e269124c..62af7ba921b 100644
--- a/src/mesa/state_tracker/st_manager.c
+++ b/src/mesa/state_tracker/st_manager.c
@@ -380,8 +380,6 @@ st_visual_to_context_mode(const struct st_visual *visual,
       mode->stereoMode = GL_TRUE;
 
    if (visual->color_format != PIPE_FORMAT_NONE) {
-      mode->rgbMode = GL_TRUE;
-
       mode->redBits =
          util_format_get_component_bits(visual->color_format,
                UTIL_FORMAT_COLORSPACE_RGB, 0);