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libEGL: Add wrappers for partial update functions 

This adds EGL wrapper functions for the following EGL extensions:
    EGL_EXT_buffer_age
    EGL_KHR_partial_update
    EGL_KHR_swap_buffers_with_damage

Change-Id: I407acda1e0310f7f01a5efe9c915721a941138a4
This commit is contained in:
Dan Stoza 2015-02-19 15:27:36 -08:00
parent f9ab2ad2d5
commit a894d082cf
3 changed files with 97 additions and 3 deletions
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17
opengl/include/EGL/eglext.h
View File

@ -176,6 +176,15 @@ typedef EGLBoolean (EGLAPIENTRYP PFNEGLGETSYNCATTRIBKHRPROC) (EGLDisplay dpy, EG
#define EGL_BITMAP_PIXEL_SIZE_KHR 0x3110
#endif
#ifndef EGL_KHR_partial_update
#define EGL_KHR_partial_update 1
#define EGL_BUFFER_AGE_KHR 0x313D
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSETDAMAGEREGIONKHRPROC) (EGLDisplay dpy, EGLSurface surface, EGLint *rects, EGLint n_rects);
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglSetDamageRegionKHR (EGLDisplay dpy, EGLSurface surface, EGLint *rects, EGLint n_rects);
#endif
#endif /* EGL_KHR_partial_update */
#ifndef EGL_NV_coverage_sample
#define EGL_NV_coverage_sample 1
#define EGL_COVERAGE_BUFFERS_NV 0x30E0
@ -440,6 +449,14 @@ typedef EGLBoolean (EGLAPIENTRYP PFNEGLQUERYSTREAMTIMEKHRPROC)(EGLDisplay dpy, E
/* No tokens/entry points, just relaxes an error condition */
#endif
#ifndef EGL_KHR_swap_buffers_with_damage
#define EGL_KHR_swap_buffers_with_damage 1
typedef EGLBoolean (EGLAPIENTRYP PFNEGLSWAPBUFFERSWITHDAMAGEKHRPROC) (EGLDisplay dpy, EGLSurface surface, EGLint *rects, EGLint n_rects);
#ifdef EGL_EGLEXT_PROTOTYPES
EGLAPI EGLBoolean EGLAPIENTRY eglSwapBuffersWithDamageKHR (EGLDisplay dpy, EGLSurface surface, EGLint *rects, EGLint n_rects);
#endif
#endif /* EGL_KHR_swap_buffers_with_damage */
#ifdef EGL_KHR_stream /* Requires KHR_stream extension */
#ifndef EGL_KHR_stream_cross_process_fd
#define EGL_KHR_stream_cross_process_fd 1

76
opengl/libs/EGL/eglApi.cpp
View File

@ -80,6 +80,7 @@ struct extention_map_t {
extern char const * const gBuiltinExtensionString =
"EGL_KHR_get_all_proc_addresses "
"EGL_ANDROID_presentation_time "
"EGL_KHR_swap_buffers_with_damage "
;
extern char const * const gExtensionString =
"EGL_KHR_image " // mandatory
@ -100,6 +101,8 @@ extern char const * const gExtensionString =
"EGL_ANDROID_image_native_buffer " // mandatory
"EGL_KHR_wait_sync " // strongly recommended
"EGL_ANDROID_recordable " // mandatory
"EGL_KHR_partial_update " // strongly recommended
"EGL_EXT_buffer_age " // strongly recommended with partial_update
;
// extensions not exposed to applications but used by the ANDROID system
@ -152,6 +155,14 @@ static const extention_map_t sExtensionMap[] = {
// EGL_ANDROID_presentation_time
{ "eglPresentationTimeANDROID",
(__eglMustCastToProperFunctionPointerType)&eglPresentationTimeANDROID },
// EGL_KHR_swap_buffers_with_damage
{ "eglSwapBuffersWithDamageKHR",
(__eglMustCastToProperFunctionPointerType)&eglSwapBuffersWithDamageKHR },
// EGL_KHR_partial_update
{ "eglSetDamageRegionKHR",
(__eglMustCastToProperFunctionPointerType)&eglSetDamageRegionKHR },
};
/*
@ -1021,7 +1032,8 @@ private:
Mutex mMutex;
};
EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw)
EGLBoolean eglSwapBuffersWithDamageKHR(EGLDisplay dpy, EGLSurface draw,
EGLint *rects, EGLint n_rects)
{
ATRACE_CALL();
clearError();
@ -1080,7 +1092,38 @@ EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface draw)
}
}
return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
if (n_rects == 0) {
return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
}
Vector<android_native_rect_t> androidRects;
for (int r = 0; r < n_rects; ++r) {
int offset = r * 4;
int x = rects[offset];
int y = rects[offset + 1];
int width = rects[offset + 2];
int height = rects[offset + 3];
android_native_rect_t androidRect;
androidRect.left = x;
androidRect.top = y + height;
androidRect.right = x + width;
androidRect.bottom = y;
androidRects.push_back(androidRect);
}
native_window_set_surface_damage(s->win.get(), androidRects.array(),
androidRects.size());
if (s->cnx->egl.eglSwapBuffersWithDamageKHR) {
return s->cnx->egl.eglSwapBuffersWithDamageKHR(dp->disp.dpy, s->surface,
rects, n_rects);
} else {
return s->cnx->egl.eglSwapBuffers(dp->disp.dpy, s->surface);
}
}
EGLBoolean eglSwapBuffers(EGLDisplay dpy, EGLSurface surface)
{
return eglSwapBuffersWithDamageKHR(dpy, surface, NULL, 0);
}
EGLBoolean eglCopyBuffers( EGLDisplay dpy, EGLSurface surface,
@ -1569,3 +1612,32 @@ EGLuint64NV eglGetSystemTimeNV()
return setErrorQuiet(EGL_BAD_DISPLAY, 0);
}
// ----------------------------------------------------------------------------
// Partial update extension
// ----------------------------------------------------------------------------
EGLBoolean eglSetDamageRegionKHR(EGLDisplay dpy, EGLSurface surface,
EGLint *rects, EGLint n_rects)
{
clearError();
const egl_display_ptr dp = validate_display(dpy);
if (!dp) {
setError(EGL_BAD_DISPLAY, EGL_FALSE);
return EGL_FALSE;
}
SurfaceRef _s(dp.get(), surface);
if (!_s.get()) {
setError(EGL_BAD_SURFACE, EGL_FALSE);
return EGL_FALSE;
}
egl_surface_t const * const s = get_surface(surface);
if (s->cnx->egl.eglSetDamageRegionKHR) {
return s->cnx->egl.eglSetDamageRegionKHR(dp->disp.dpy, s->surface,
rects, n_rects);
}
return EGL_FALSE;
}

7
opengl/libs/EGL/egl_entries.in
View File

@ -89,4 +89,9 @@ EGL_ENTRY(EGLuint64NV, eglGetSystemTimeNV, void)
/* IMG extensions */
EGL_ENTRY(EGLBoolean, eglHibernateProcessIMG, void)
EGL_ENTRY(EGLBoolean, eglAwakenProcessIMG, void)
EGL_ENTRY(EGLBoolean, eglAwakenProcessIMG, void)
/* Partial update extensions */
EGL_ENTRY(EGLBoolean, eglSwapBuffersWithDamageKHR, EGLDisplay, EGLSurface, EGLint *, EGLint)
EGL_ENTRY(EGLBoolean, eglSetDamageRegionKHR, EGLDisplay, EGLSurface, EGLint *, EGLint)