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st/egl: Probe hardware for depth stencil format

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This commit is contained in:
Jakob Bornecrantz 2009-11-10 07:00:21 +01:00
parent d2c886c8ca
commit 4c54f8e9aa
1 changed files with 50 additions and 22 deletions
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72
src/gallium/state_trackers/egl/egl_surface.c
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@ -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;
enum pipe_format color_format, depth_stencil_format;
boolean d_depth_bits_last;
boolean ds_depth_bits_last;
if (visual->redBits == 5)
colorFormat = PIPE_FORMAT_R5G6B5_UNORM;
else
colorFormat = PIPE_FORMAT_A8R8G8B8_UNORM;
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->depthBits == 16)
depthFormat = PIPE_FORMAT_Z16_UNORM;
else if (visual->depthBits == 24)
depthFormat = PIPE_FORMAT_S8Z24_UNORM;
else
depthFormat = PIPE_FORMAT_NONE;
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);