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st/egl: Add support for swap interval and swap behavior.

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The value of EGL_MAX_SWAP_INTERVAL and whether
EGL_SWAP_BEHAVIOR_PRESERVED_BIT is set will depend on the native
backend used.
This commit is contained in:
Chia-I Wu
2010-11-03 16:20:26 +08:00
parent 828d944fd6
commit b8cb14209a
2 changed files with 22 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/gallium/state_trackers/egl/common/egl_g3d.c
+19 -4
View File
@@ -156,7 +156,8 @@ egl_g3d_add_screens(_EGLDriver *drv, _EGLDisplay *dpy)
*/
static EGLBoolean
init_config_attributes(_EGLConfig *conf, const struct native_config *nconf,
EGLint api_mask, enum pipe_format depth_stencil_format)
EGLint api_mask, enum pipe_format depth_stencil_format,
EGLBoolean preserve_buffer, EGLint max_swap_interval)
{
uint rgba[4], depth_stencil[2], buffer_size;
EGLint surface_type;
@@ -238,6 +239,11 @@ init_config_attributes(_EGLConfig *conf, const struct native_config *nconf,
conf->TransparentBlueValue = nconf->transparent_rgb_values[2];
}
conf->MinSwapInterval = 0;
conf->MaxSwapInterval = max_swap_interval;
if (preserve_buffer)
conf->SurfaceType |= EGL_SWAP_BEHAVIOR_PRESERVED_BIT;
return _eglValidateConfig(conf, EGL_FALSE);
}
@@ -247,7 +253,8 @@ init_config_attributes(_EGLConfig *conf, const struct native_config *nconf,
static EGLBoolean
egl_g3d_init_config(_EGLDriver *drv, _EGLDisplay *dpy,
_EGLConfig *conf, const struct native_config *nconf,
enum pipe_format depth_stencil_format)
enum pipe_format depth_stencil_format,
int preserve_buffer, int max_swap_interval)
{
struct egl_g3d_config *gconf = egl_g3d_config(conf);
EGLint buffer_mask, api_mask;
@@ -288,7 +295,8 @@ egl_g3d_init_config(_EGLDriver *drv, _EGLDisplay *dpy,
}
valid = init_config_attributes(&gconf->base,
nconf, api_mask, depth_stencil_format);
nconf, api_mask, depth_stencil_format,
preserve_buffer, max_swap_interval);
if (!valid) {
_eglLog(_EGL_DEBUG, "skip invalid config 0x%x", nconf->native_visual_id);
return EGL_FALSE;
@@ -349,6 +357,7 @@ egl_g3d_add_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint id)
const struct native_config **native_configs;
enum pipe_format depth_stencil_formats[8];
int num_formats, num_configs, i, j;
int preserve_buffer, max_swap_interval;
native_configs = gdpy->native->get_configs(gdpy->native, &num_configs);
if (!num_configs) {
@@ -357,6 +366,11 @@ egl_g3d_add_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint id)
return id;
}
preserve_buffer =
gdpy->native->get_param(gdpy->native, NATIVE_PARAM_PRESERVE_BUFFER);
max_swap_interval =
gdpy->native->get_param(gdpy->native, NATIVE_PARAM_MAX_SWAP_INTERVAL);
num_formats = egl_g3d_fill_depth_stencil_formats(dpy,
depth_stencil_formats);
@@ -368,7 +382,8 @@ egl_g3d_add_configs(_EGLDriver *drv, _EGLDisplay *dpy, EGLint id)
if (gconf) {
_eglInitConfig(&gconf->base, dpy, id);
if (!egl_g3d_init_config(drv, dpy, &gconf->base,
native_configs[i], depth_stencil_formats[j])) {
native_configs[i], depth_stencil_formats[j],
preserve_buffer, max_swap_interval)) {
FREE(gconf);
break;
}
src/gallium/state_trackers/egl/common/egl_g3d_api.c
+3 -1
View File
@@ -540,7 +540,9 @@ egl_g3d_swap_buffers(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surf)
}
return gsurf->native->present(gsurf->native,
NATIVE_ATTACHMENT_BACK_LEFT, FALSE, 0);
NATIVE_ATTACHMENT_BACK_LEFT,
gsurf->base.SwapBehavior == EGL_BUFFER_PRESERVED,
gsurf->base.SwapInterval);
}
/**