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radeon: Expose a 32 bit RGBA fbconfig even when the screen depth is 16. 

Otherwise current xserver / libGL no longer expose a 32 bit RGBA GLX visual,
and compiz fails.

Fixes http://bugs.freedesktop.org/show_bug.cgi?id=20479 .
This commit is contained in:
Michel Dänzer 2009-04-06 08:59:57 +02:00
parent 36ae0766b9
commit e798bf8053
1 changed files with 20 additions and 15 deletions
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35
src/mesa/drivers/dri/radeon/radeon_screen.c
View File

@ -261,8 +261,6 @@ radeonFillInModes( __DRIscreenPrivate *psp,
__GLcontextModes *m;
unsigned depth_buffer_factor;
unsigned back_buffer_factor;
GLenum fb_format;
GLenum fb_type;
int i;
/* Right now GLX_SWAP_COPY_OML isn't supported, but it would be easy
@ -293,20 +291,27 @@ radeonFillInModes( __DRIscreenPrivate *psp,
depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
back_buffer_factor = (have_back_buffer) ? 2 : 1;
if ( pixel_bits == 16 ) {
fb_format = GL_RGB;
fb_type = GL_UNSIGNED_SHORT_5_6_5;
}
else {
fb_format = GL_BGRA;
fb_type = GL_UNSIGNED_INT_8_8_8_8_REV;
}
if (pixel_bits == 16) {
__DRIconfig **configs_a8r8g8b8;
__DRIconfig **configs_r5g6b5;
configs_r5g6b5 = driCreateConfigs(GL_RGB, GL_UNSIGNED_SHORT_5_6_5,
depth_bits_array, stencil_bits_array,
depth_buffer_factor, back_buffer_modes,
back_buffer_factor, msaa_samples_array,
1);
configs_a8r8g8b8 = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
depth_bits_array, stencil_bits_array,
1, back_buffer_modes, 1,
msaa_samples_array, 1);
configs = driConcatConfigs(configs_r5g6b5, configs_a8r8g8b8);
} else
configs = driCreateConfigs(GL_BGRA, GL_UNSIGNED_INT_8_8_8_8_REV,
depth_bits_array, stencil_bits_array,
depth_buffer_factor,
back_buffer_modes, back_buffer_factor,
msaa_samples_array, 1);
configs = driCreateConfigs(fb_format, fb_type,
depth_bits_array, stencil_bits_array,
depth_buffer_factor,
back_buffer_modes, back_buffer_factor,
msaa_samples_array, 1);
if (configs == NULL) {
fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
__func__, __LINE__ );