[Mesa-dev] [PATCH 1/3] egl: add EGL_NV_post_sub_buffer
Fredrik Höglund
fredrik at kde.org
Wed Dec 14 12:24:09 PST 2011
v2: Handle EGL_POST_SUB_BUFFER_SUPPORTED_NV in
_eglParseSurfaceAttribList()
Signed-off-by: Fredrik Höglund <fredrik at kde.org>
---
include/EGL/eglext.h | 9 +++++++++
src/egl/main/eglapi.c | 24 ++++++++++++++++++++++++
src/egl/main/eglapi.h | 8 ++++++++
src/egl/main/egldisplay.h | 2 ++
src/egl/main/eglmisc.c | 2 ++
src/egl/main/eglsurface.c | 23 +++++++++++++++++++++++
src/egl/main/eglsurface.h | 4 ++++
7 files changed, 72 insertions(+), 0 deletions(-)
diff --git a/include/EGL/eglext.h b/include/EGL/eglext.h
index 9484b83..d03a24d 100644
--- a/include/EGL/eglext.h
+++ b/include/EGL/eglext.h
@@ -144,6 +144,15 @@ typedef EGLImageKHR (EGLAPIENTRYP PFNEGLCREATEDRMIMAGEMESA) (EGLDisplay dpy, con
typedef EGLBoolean (EGLAPIENTRYP PFNEGLEXPORTDRMIMAGEMESA) (EGLDisplay dpy, EGLImageKHR image, EGLint *name, EGLint *handle, EGLint *stride);
#endif
+#ifndef EGL_NV_post_sub_buffer
+#define EGL_NV_post_sub_buffer 1
+#define EGL_POST_SUB_BUFFER_SUPPORTED_NV 0x30BE
+#ifdef EGL_EGLEXT_PROTOTYPES
+EGLAPI EGLBoolean EGLAPIENTRY eglPostSubBufferNV(EGLDisplay dpy, EGLSurface surface, EGLint x, EGLint y, EGLint width, EGLint height);
+#endif /* EGL_EGLEXT_PROTOTYPES */
+typedef EGLBoolean (EGLAPIENTRYP PFNEGLPOSTSUBBUFFERNVPROC) (EGLDisplay dpy, EGLSurface surface, EGLint x, EGLint y, EGLint width, EGLint height);
+#endif
+
#ifndef EGL_WL_bind_wayland_display
#define EGL_WL_bind_wayland_display 1
diff --git a/src/egl/main/eglapi.c b/src/egl/main/eglapi.c
index 3cb1a5b..ff15476 100644
--- a/src/egl/main/eglapi.c
+++ b/src/egl/main/eglapi.c
@@ -951,6 +951,9 @@ eglGetProcAddress(const char *procname)
#ifdef EGL_ANDROID_swap_rectangle
{ "eglSetSwapRectangleANDROID", (_EGLProc) eglSetSwapRectangleANDROID },
#endif
+#ifdef EGL_NV_post_sub_buffer
+ { "eglPostSubBufferNV", (_EGLProc) eglPostSubBufferNV },
+#endif
{ NULL, NULL }
};
EGLint i;
@@ -1590,3 +1593,24 @@ eglSetSwapRectangleANDROID(EGLDisplay dpy, EGLSurface draw,
RETURN_EGL_EVAL(disp, ret);
}
#endif
+
+#ifdef EGL_NV_post_sub_buffer
+EGLBoolean EGLAPIENTRY
+eglPostSubBufferNV(EGLDisplay dpy, EGLSurface surface,
+ EGLint x, EGLint y, EGLint width, EGLint height)
+{
+ _EGLDisplay *disp = _eglLockDisplay(dpy);
+ _EGLSurface *surf = _eglLookupSurface(surface, disp);
+ _EGLDriver *drv;
+ EGLBoolean ret;
+
+ _EGL_CHECK_SURFACE(disp, surf, EGL_FALSE, drv);
+
+ if (!disp->Extensions.NV_post_sub_buffer)
+ RETURN_EGL_EVAL(disp, EGL_FALSE);
+
+ ret = drv->API.PostSubBufferNV(drv, disp, surf, x, y, width, height);
+
+ RETURN_EGL_EVAL(disp, ret);
+}
+#endif
diff --git a/src/egl/main/eglapi.h b/src/egl/main/eglapi.h
index 1e0aef6..f374273 100644
--- a/src/egl/main/eglapi.h
+++ b/src/egl/main/eglapi.h
@@ -135,6 +135,10 @@ typedef EGLBoolean (*UnbindWaylandDisplayWL_t)(_EGLDriver *drv, _EGLDisplay *dis
typedef EGLBoolean (*SetSwapRectangleANDROID_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *draw, EGLint left, EGLint top, EGLint width, EGLint height);
#endif
+#ifdef EGL_NV_post_sub_buffer
+typedef EGLBoolean (*PostSubBufferNV_t)(_EGLDriver *drv, _EGLDisplay *disp, _EGLSurface *surface, EGLint x, EGLint y, EGLint width, EGLint height);
+#endif
+
/**
* The API dispatcher jumps through these functions
*/
@@ -218,6 +222,10 @@ struct _egl_api
#ifdef EGL_ANDROID_swap_rectangle
SetSwapRectangleANDROID_t SetSwapRectangleANDROID;
#endif
+
+#ifdef EGL_NV_post_sub_buffer
+ PostSubBufferNV_t PostSubBufferNV;
+#endif
};
#endif /* EGLAPI_INCLUDED */
diff --git a/src/egl/main/egldisplay.h b/src/egl/main/egldisplay.h
index 67a2e24..8f737df 100644
--- a/src/egl/main/egldisplay.h
+++ b/src/egl/main/egldisplay.h
@@ -112,6 +112,8 @@ struct _egl_extensions
EGLBoolean ANDROID_image_native_buffer;
EGLBoolean ANDROID_swap_rectangle;
+
+ EGLBoolean NV_post_sub_buffer;
};
diff --git a/src/egl/main/eglmisc.c b/src/egl/main/eglmisc.c
index ab48bc6..30cd04e 100644
--- a/src/egl/main/eglmisc.c
+++ b/src/egl/main/eglmisc.c
@@ -116,6 +116,8 @@ _eglUpdateExtensionsString(_EGLDisplay *dpy)
_EGL_CHECK_EXTENSION(ANDROID_image_native_buffer);
_EGL_CHECK_EXTENSION(ANDROID_swap_rectangle);
+
+ _EGL_CHECK_EXTENSION(NV_post_sub_buffer);
#undef _EGL_CHECK_EXTENSION
}
diff --git a/src/egl/main/eglsurface.c b/src/egl/main/eglsurface.c
index 3564ecd..2db801a 100644
--- a/src/egl/main/eglsurface.c
+++ b/src/egl/main/eglsurface.c
@@ -170,6 +170,20 @@ _eglParseSurfaceAttribList(_EGLSurface *surf, const EGLint *attrib_list)
}
surf->RenderBuffer = val;
break;
+#ifdef EGL_NV_post_sub_buffer
+ case EGL_POST_SUB_BUFFER_SUPPORTED_NV:
+ if (!dpy->Extensions.NV_post_sub_buffer ||
+ type != EGL_WINDOW_BIT) {
+ err = EGL_BAD_ATTRIBUTE;
+ break;
+ }
+ if (val != EGL_TRUE && val != EGL_FALSE) {
+ err = EGL_BAD_PARAMETER;
+ break;
+ }
+ surf->PostSubBufferSupportedNV = val;
+ break;
+#endif
/* pbuffer surface attributes */
case EGL_WIDTH:
if (type != EGL_PBUFFER_BIT) {
@@ -323,6 +337,10 @@ _eglInitSurface(_EGLSurface *surf, _EGLDisplay *dpy, EGLint type,
surf->VerticalResolution = EGL_UNKNOWN;
surf->AspectRatio = EGL_UNKNOWN;
+#ifdef EGL_NV_post_sub_buffer
+ surf->PostSubBufferSupportedNV = EGL_FALSE;
+#endif
+
/* the default swap interval is 1 */
_eglClampSwapInterval(surf, 1);
@@ -392,6 +410,11 @@ _eglQuerySurface(_EGLDriver *drv, _EGLDisplay *dpy, _EGLSurface *surface,
case EGL_VG_COLORSPACE:
*value = surface->VGColorspace;
break;
+#ifdef EGL_NV_post_sub_buffer
+ case EGL_POST_SUB_BUFFER_SUPPORTED_NV:
+ *value = surface->PostSubBufferSupportedNV;
+ break;
+#endif
default:
_eglError(EGL_BAD_ATTRIBUTE, "eglQuerySurface");
return EGL_FALSE;
diff --git a/src/egl/main/eglsurface.h b/src/egl/main/eglsurface.h
index 0541ff4..7b774da 100644
--- a/src/egl/main/eglsurface.h
+++ b/src/egl/main/eglsurface.h
@@ -73,6 +73,10 @@ struct _egl_surface
/* True if the surface is bound to an OpenGL ES texture */
EGLBoolean BoundToTexture;
+
+#ifdef EGL_NV_post_sub_buffer
+ EGLBoolean PostSubBufferSupportedNV;
+#endif
};
--
1.7.7.3
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