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authorJakob Bornecrantz <jakob@vmware.com>2009-11-10 07:00:21 +0100
committerJakob Bornecrantz <jakob@vmware.com>2009-11-10 08:29:41 +0100
commit4c54f8e9aa0aae570c21c57427fb51c70517e0a9 (patch)
tree45af30c67d4af9f96b6fafee26cb2dc641ec16ac
parentd2c886c8caf52c1e3581af350fd23ecf839a2491 (diff)
st/egl: Probe hardware for depth stencil format
-rw-r--r--src/gallium/state_trackers/egl/egl_surface.c76
1 files changed, 52 insertions, 24 deletions
diff --git a/src/gallium/state_trackers/egl/egl_surface.c b/src/gallium/state_trackers/egl/egl_surface.c
index 71c013756d..a4493e2637 100644
--- a/src/gallium/state_trackers/egl/egl_surface.c
+++ b/src/gallium/state_trackers/egl/egl_surface.c
@@ -35,34 +35,62 @@ drm_find_mode(drmModeConnectorPtr connector, _EGLMode *mode)
}
static struct st_framebuffer *
-drm_create_framebuffer(const __GLcontextModes *visual,
+drm_create_framebuffer(struct pipe_screen *screen,
+ const __GLcontextModes *visual,
unsigned width,
unsigned height,
void *priv)
{
- enum pipe_format colorFormat, depthFormat, stencilFormat;
-
- if (visual->redBits == 5)
- colorFormat = PIPE_FORMAT_R5G6B5_UNORM;
- else
- colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM;
-
- if (visual->depthBits == 16)
- depthFormat = PIPE_FORMAT_Z16_UNORM;
- else if (visual->depthBits == 24)
- depthFormat = PIPE_FORMAT_S8Z24_UNORM;
- else
- depthFormat = PIPE_FORMAT_NONE;
+ enum pipe_format color_format, depth_stencil_format;
+ boolean d_depth_bits_last;
+ boolean ds_depth_bits_last;
+
+ d_depth_bits_last =
+ screen->is_format_supported(screen, PIPE_FORMAT_X8Z24_UNORM,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+ ds_depth_bits_last =
+ screen->is_format_supported(screen, PIPE_FORMAT_S8Z24_UNORM,
+ PIPE_TEXTURE_2D,
+ PIPE_TEXTURE_USAGE_DEPTH_STENCIL, 0);
+
+ if (visual->redBits == 8) {
+ if (visual->alphaBits == 8)
+ color_format = PIPE_FORMAT_A8R8G8B8_UNORM;
+ else
+ color_format = PIPE_FORMAT_X8R8G8B8_UNORM;
+ } else {
+ color_format = PIPE_FORMAT_R5G6B5_UNORM;
+ }
- if (visual->stencilBits == 8)
- stencilFormat = PIPE_FORMAT_S8Z24_UNORM;
- else
- stencilFormat = PIPE_FORMAT_NONE;
+ switch(visual->depthBits) {
+ default:
+ case 0:
+ depth_stencil_format = PIPE_FORMAT_NONE;
+ break;
+ case 16:
+ depth_stencil_format = PIPE_FORMAT_Z16_UNORM;
+ break;
+ case 24:
+ if (visual->stencilBits == 0) {
+ depth_stencil_format = (d_depth_bits_last) ?
+ PIPE_FORMAT_X8Z24_UNORM:
+ PIPE_FORMAT_Z24X8_UNORM;
+ } else {
+ depth_stencil_format = (ds_depth_bits_last) ?
+ PIPE_FORMAT_S8Z24_UNORM:
+ PIPE_FORMAT_Z24S8_UNORM;
+ }
+ break;
+ case 32:
+ depth_stencil_format = PIPE_FORMAT_Z32_UNORM;
+ break;
+ }
return st_create_framebuffer(visual,
- colorFormat,
- depthFormat,
- stencilFormat,
+ color_format,
+ depth_stencil_format,
+ depth_stencil_format,
width,
height,
priv);
@@ -176,6 +204,7 @@ _EGLSurface *
drm_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
const EGLint *attrib_list)
{
+ struct drm_device *dev = lookup_drm_device(dpy);
int i;
int width = -1;
int height = -1;
@@ -212,9 +241,8 @@ drm_create_pbuffer_surface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLConfig *conf,
surf->h = height;
visual = drm_visual_from_config(conf);
- surf->stfb = drm_create_framebuffer(visual,
- width,
- height,
+ surf->stfb = drm_create_framebuffer(dev->screen, visual,
+ width, height,
(void*)surf);
drm_visual_modes_destroy(visual);