diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/mesa/drivers/dri/mga/mga_xmesa.c | 117 |
1 files changed, 32 insertions, 85 deletions
diff --git a/src/mesa/drivers/dri/mga/mga_xmesa.c b/src/mesa/drivers/dri/mga/mga_xmesa.c index 083583e5e2a..8bed48c423e 100644 --- a/src/mesa/drivers/dri/mga/mga_xmesa.c +++ b/src/mesa/drivers/dri/mga/mga_xmesa.c @@ -94,74 +94,6 @@ int MGA_DEBUG = 0; static int getSwapInfo( __DRIdrawablePrivate *dPriv, __DRIswapInfo * sInfo ); #ifdef USE_NEW_INTERFACE -static __GLcontextModes * fill_in_modes( __GLcontextModes * modes, - unsigned pixel_bits, - unsigned depth_bits, - unsigned stencil_bits, - const GLenum * db_modes, - unsigned num_db_modes, - int visType ) -{ - static const uint8_t bits[2][4] = { - { 5, 6, 5, 0 }, - { 8, 8, 8, 0 } - }; - - static const uint32_t masks[2][4] = { - { 0x0000F800, 0x000007E0, 0x0000001F, 0x00000000 }, - { 0x00FF0000, 0x0000FF00, 0x000000FF, 0x00000000 } - }; - - unsigned i; - unsigned j; - const unsigned index = ((pixel_bits + 15) / 16) - 1; - - for ( i = 0 ; i < num_db_modes ; i++ ) { - for ( j = 0 ; j < 2 ; j++ ) { - - modes->redBits = bits[index][0]; - modes->greenBits = bits[index][1]; - modes->blueBits = bits[index][2]; - modes->alphaBits = bits[index][3]; - modes->redMask = masks[index][0]; - modes->greenMask = masks[index][1]; - modes->blueMask = masks[index][2]; - modes->alphaMask = masks[index][3]; - modes->rgbBits = modes->redBits + modes->greenBits - + modes->blueBits; - - modes->accumRedBits = 16 * j; - modes->accumGreenBits = 16 * j; - modes->accumBlueBits = 16 * j; - modes->accumAlphaBits = (masks[index][3] != 0) ? 16 * j : 0; - modes->visualRating = (j == 0) ? GLX_NONE : GLX_SLOW_CONFIG; - - modes->stencilBits = stencil_bits; - modes->depthBits = depth_bits; - - modes->visualType = visType; - modes->renderType = GLX_RGBA_BIT; - modes->drawableType = GLX_WINDOW_BIT; - modes->rgbMode = GL_TRUE; - - if ( db_modes[i] == GLX_NONE ) { - modes->doubleBufferMode = GL_FALSE; - } - else { - modes->doubleBufferMode = GL_TRUE; - modes->swapMethod = db_modes[i]; - } - - modes = modes->next; - } - } - - return modes; -} -#endif /* USE_NEW_INTERFACE */ - - -#ifdef USE_NEW_INTERFACE static __GLcontextModes * mgaFillInModes( unsigned pixel_bits, unsigned depth_bits, unsigned stencil_bits, GLboolean have_back_buffer ) @@ -171,7 +103,8 @@ mgaFillInModes( 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. @@ -180,40 +113,54 @@ mgaFillInModes( unsigned pixel_bits, unsigned depth_bits, GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML }; - int depth_buffer_modes[3][2]; - + uint8_t depth_bits_array[3]; + uint8_t stencil_bits_array[3]; - depth_buffer_modes[0][0] = 0; - depth_buffer_modes[1][0] = depth_bits; - depth_buffer_modes[2][0] = depth_bits; + depth_bits_array[0] = 0; + depth_bits_array[1] = depth_bits; + depth_bits_array[2] = 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] = 0; - depth_buffer_modes[2][1] = (stencil_bits == 0) ? 8 : stencil_bits; + stencil_bits_array[0] = 0; + stencil_bits_array[1] = 0; + stencil_bits_array[2] = (stencil_bits == 0) ? 8 : stencil_bits; depth_buffer_factor = ((depth_bits != 0) || (stencil_bits != 0)) ? 3 : 1; back_buffer_factor = (have_back_buffer) ? 2 : 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_BGR; + 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], + 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 ); + GLX_TRUE_COLOR ) ) { + fprintf( stderr, "[%s:%u] Error creating FBConfig!\n", + __func__, __LINE__ ); + return NULL; } - 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], + if ( ! driFillInModes( & m, fb_format, fb_type, + depth_bits_array, stencil_bits_array, depth_buffer_factor, back_buffer_modes, back_buffer_factor, - GLX_DIRECT_COLOR ); + GLX_DIRECT_COLOR ) ) { + fprintf( stderr, "[%s:%u] Error creating FBConfig!\n", + __func__, __LINE__ ); + return NULL; } /* Mark the visual as slow if there are "fake" stencil bits. |