diff options
| -rw-r--r-- | src/gallium/state_trackers/wgl/shared/stw_framebuffer.c | 42 |
1 files changed, 37 insertions, 5 deletions
diff --git a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c index 4641884f95..c289a8aeff 100644 --- a/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c +++ b/src/gallium/state_trackers/wgl/shared/stw_framebuffer.c @@ -70,6 +70,14 @@ window_proc( } static INLINE boolean +stw_is_supported_color(enum pipe_format format) +{ + struct pipe_screen *screen = stw_dev->screen; + return screen->is_format_supported(screen, format, PIPE_TEXTURE_2D, + PIPE_TEXTURE_USAGE_RENDER_TARGET, 0); +} + +static INLINE boolean stw_is_supported_depth_stencil(enum pipe_format format) { struct pipe_screen *screen = stw_dev->screen; @@ -89,13 +97,33 @@ framebuffer_create( struct stw_framebuffer *fb; enum pipe_format colorFormat, depthFormat, stencilFormat; - fb = CALLOC_STRUCT( stw_framebuffer ); - if (fb == NULL) - return NULL; - /* Determine PIPE_FORMATs for buffers. */ - colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM; + + if(visual->alphaBits <= 0 && visual->redBits <= 5 && visual->blueBits <= 6 && visual->greenBits <= 5 && + stw_is_supported_color(PIPE_FORMAT_R5G6B5_UNORM)) { + colorFormat = PIPE_FORMAT_R5G6B5_UNORM; + } + else if(visual->alphaBits <= 0 && visual->redBits <= 8 && visual->blueBits <= 8 && visual->greenBits <= 8 && + stw_is_supported_color(PIPE_FORMAT_X8R8G8B8_UNORM)) { + colorFormat = PIPE_FORMAT_X8R8G8B8_UNORM; + } + else if(visual->alphaBits <= 1 && visual->redBits <= 5 && visual->blueBits <= 5 && visual->greenBits <= 5 && + stw_is_supported_color(PIPE_FORMAT_A1R5G5B5_UNORM)) { + colorFormat = PIPE_FORMAT_A1R5G5B5_UNORM; + } + else if(visual->alphaBits <= 4 && visual->redBits <= 4 && visual->blueBits <= 4 && visual->greenBits <= 4 && + stw_is_supported_color(PIPE_FORMAT_A4R4G4B4_UNORM)) { + colorFormat = PIPE_FORMAT_A4R4G4B4_UNORM; + } + else if(visual->alphaBits <= 8 && visual->redBits <= 8 && visual->blueBits <= 8 && visual->greenBits <= 8 && + stw_is_supported_color(PIPE_FORMAT_A8R8G8B8_UNORM)) { + colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM; + } + else { + assert(0); + return NULL; + } if (visual->depthBits == 0) depthFormat = PIPE_FORMAT_NONE; @@ -141,6 +169,10 @@ framebuffer_create( stencilFormat = PIPE_FORMAT_NONE; } + fb = CALLOC_STRUCT( stw_framebuffer ); + if (fb == NULL) + return NULL; + fb->stfb = st_create_framebuffer( visual, colorFormat, |