Hey all,
I had a problem with the OpenGL (GLX) driver in 1.4.3. And I am not sure
if the source code does what the author intended that it should do.
It seems he wants a 24bit and a 32bit BPP visual but he checks the
depth, which is the depth buffer. I made a small patch that makes things
work better for me, but maybe someone else could try it too.
- Erwin
--- DirectFB-1.4.3/systems/x11/glx_surface_pool.c.orig 2010-01-21 01:33:31.000000000 +0100
+++ DirectFB-1.4.3/systems/x11/glx_surface_pool.c 2010-01-21 01:36:57.000000000 +0100
@@ -127,12 +127,6 @@
GLX_BLUE_SIZE,
8,
- GLX_ALPHA_SIZE,
- 8,
-
- GLX_DEPTH_SIZE,
- 8,
-
GLX_X_VISUAL_TYPE,
GLX_TRUE_COLOR,
@@ -168,18 +162,18 @@
D_DEBUG_AT( GLX_Surfaces, " -> found %d configs\n", local->num_configs );
for (i=0; i<local->num_configs; i++) {
- int depth;
+ int buffer_size;
XVisualInfo *info = glXGetVisualFromFBConfig( local->display, local->configs[i] );
- glXGetFBConfigAttrib( local->display, local->configs[i], GLX_DEPTH_SIZE, &depth );
+ glXGetFBConfigAttrib( local->display, local->configs[i], GLX_BUFFER_SIZE, &buffer_size );
- D_DEBUG_AT( GLX_Surfaces, " [%2d] ID 0x%02lx, depth %d, RGB 0x%06lx/0x%06lx/0x%06lx {%d}, class %d, z %d\n",
- i, info->visualid, info->depth,
+ D_DEBUG_AT( GLX_Surfaces, " [%2d] ID 0x%02lx, buffer_size %d, RGB 0x%06lx/0x%06lx/0x%06lx {%d}, class %d, z %d\n",
+ i, info->visualid, buffer_size,
info->red_mask, info->green_mask, info->blue_mask,
- info->bits_per_rgb, info->class, depth );
+ info->bits_per_rgb, info->class, info->depth );
- if (depth >= 8 && info->class == TrueColor) {
- switch (info->depth) {
+ if (info->class == TrueColor) {
+ switch (buffer_size) {
case 32:
local->config32 = local->configs[i];
local->visual32 = info->visual;
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