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switch to using driFillInModes fix depthbuffer = 0

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This commit is contained in:
Dave Airlie
2004-06-16 12:31:23 +00:00
parent 6d43ce5402
commit 1a544b0500
1 changed files with 26 additions and 20 deletions
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src/mesa/drivers/dri/i830/i830_screen.c
+26 -20
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@@ -52,6 +52,7 @@
#include "i830_dri.h"
#include "utils.h"
#include "xmlpool.h"
const char __driConfigOptions[] =
@@ -462,7 +463,8 @@ i830FillInModes( unsigned pixel_bits, unsigned depth_bits,
unsigned num_modes;
unsigned depth_buffer_factor;
unsigned back_buffer_factor;
unsigned i;
GLenum fb_format;
GLenum fb_type;
/* GLX_SWAP_COPY_OML is only supported because the MGA driver doesn't
* support pageflipping at all.
@@ -471,42 +473,46 @@ i830FillInModes( unsigned pixel_bits, unsigned depth_bits,
GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML
};
int depth_buffer_modes[2][2];
uint8_t depth_bits_array[2];
uint8_t stencil_bits_array[2];
depth_buffer_modes[0][0] = depth_bits;
depth_buffer_modes[1][0] = depth_bits;
depth_bits_array[0] = 0;
depth_bits_array[1] = depth_bits;
/* Just like with the accumulation buffer, always provide some modes
* with a stencil buffer. It will be a sw fallback, but some apps won't
* care about that.
*/
depth_buffer_modes[0][1] = 0;
depth_buffer_modes[1][1] = (stencil_bits == 0) ? 8 : stencil_bits;
stencil_bits_array[0] = 0;
stencil_bits_array[1] = (stencil_bits == 0) ? 8 : stencil_bits;
depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 2 : 1;
back_buffer_factor = (have_back_buffer) ? 3 : 1;
num_modes = depth_buffer_factor * back_buffer_factor * 4;
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;
}
modes = (*create_context_modes)( num_modes, sizeof( __GLcontextModes ) );
m = modes;
for ( i = 0 ; i < depth_buffer_factor ; i++ ) {
m = fill_in_modes( m, pixel_bits,
depth_buffer_modes[i][0], depth_buffer_modes[i][1],
back_buffer_modes, back_buffer_factor,
GLX_TRUE_COLOR );
}
if ( ! driFillInModes( & m, fb_format, fb_type,
depth_bits_array, stencil_bits_array, depth_buffer_factor,
back_buffer_modes, back_buffer_factor,
GLX_TRUE_COLOR ) ) {
fprintf( stderr, "[%s:%u] Error creating FBConfig!\n",
__func__, __LINE__ );
return NULL;
}
/* There's no direct color modes on i830? */
#if 0
for ( i = 0 ; i < depth_buffer_factor ; i++ ) {
m = fill_in_modes( m, pixel_bits,
depth_buffer_modes[i][0], depth_buffer_modes[i][1],
back_buffer_modes, back_buffer_factor,
GLX_DIRECT_COLOR );
}
#endif
/* Mark the visual as slow if there are "fake" stencil bits.
*/