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egl_softpipe: Add support for pbuffer binding. 

This adds support for eglBindTexImage and eglReleaseTexImage.  They rely
on the state tracker to do the real work.

Signed-off-by: Chia-I Wu <olvaffe@gmail.com>
This commit is contained in:
Chia-I Wu 2009-08-05 16:08:07 -06:00 committed by Brian Paul
parent 0153614cb0
commit 6f97a41964
1 changed files with 84 additions and 0 deletions
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84
src/gallium/winsys/egl_xlib/egl_xlib.c
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@ -182,6 +182,8 @@ create_configs(_EGLDriver *drv, EGLDisplay dpy)
SET_CONFIG_ATTRIB(config, EGL_CONFORMANT, all_apis);
SET_CONFIG_ATTRIB(config, EGL_RENDERABLE_TYPE, all_apis);
SET_CONFIG_ATTRIB(config, EGL_SURFACE_TYPE, EGL_WINDOW_BIT | EGL_PBUFFER_BIT);
SET_CONFIG_ATTRIB(config, EGL_BIND_TO_TEXTURE_RGBA, EGL_TRUE);
SET_CONFIG_ATTRIB(config, EGL_BIND_TO_TEXTURE_RGB, EGL_TRUE);
_eglAddConfig(disp, config);
}
@ -639,6 +641,86 @@ xlib_eglDestroySurface(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface)
}
static EGLBoolean
xlib_eglBindTexImage(_EGLDriver *drv, EGLDisplay dpy,
EGLSurface surface, EGLint buffer)
{
struct xlib_egl_surface *xsurf = lookup_surface(surface);
struct xlib_egl_context *xctx;
struct pipe_surface *psurf;
enum pipe_format format;
int target;
if (!xsurf || xsurf->Base.Type != EGL_PBUFFER_BIT)
return _eglError(EGL_BAD_SURFACE, "eglBindTexImage");
if (buffer != EGL_BACK_BUFFER)
return _eglError(EGL_BAD_PARAMETER, "eglBindTexImage");
if (xsurf->Base.BoundToTexture)
return _eglError(EGL_BAD_ACCESS, "eglBindTexImage");
/* this should be updated when choose_color_format is */
switch (xsurf->Base.TextureFormat) {
case EGL_TEXTURE_RGB:
format = PIPE_FORMAT_R8G8B8_UNORM;
break;
case EGL_TEXTURE_RGBA:
format = PIPE_FORMAT_A8R8G8B8_UNORM;
break;
default:
return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
}
switch (xsurf->Base.TextureTarget) {
case EGL_TEXTURE_2D:
target = ST_TEXTURE_2D;
break;
default:
return _eglError(EGL_BAD_MATCH, "eglBindTexImage");
}
/* flush properly */
if (eglGetCurrentSurface(EGL_DRAW) == surface) {
xctx = lookup_context(eglGetCurrentContext());
st_flush(xctx->Context, PIPE_FLUSH_RENDER_CACHE | PIPE_FLUSH_FRAME,
NULL);
}
else if (_eglIsSurfaceBound(&xsurf->Base)) {
xctx = lookup_context(_eglGetContextHandle(xsurf->Base.Binding));
if (xctx)
st_finish(xctx->Context);
}
st_get_framebuffer_surface(xsurf->Framebuffer, ST_SURFACE_BACK_LEFT,
&psurf);
st_bind_texture_surface(psurf, target, xsurf->Base.MipmapLevel, format);
xsurf->Base.BoundToTexture = EGL_TRUE;
return EGL_TRUE;
}
static EGLBoolean
xlib_eglReleaseTexImage(_EGLDriver *drv, EGLDisplay dpy, EGLSurface surface,
EGLint buffer)
{
struct xlib_egl_surface *xsurf = lookup_surface(surface);
struct pipe_surface *psurf;
if (!xsurf || xsurf->Base.Type != EGL_PBUFFER_BIT ||
!xsurf->Base.BoundToTexture)
return _eglError(EGL_BAD_SURFACE, "eglReleaseTexImage");
if (buffer != EGL_BACK_BUFFER)
return _eglError(EGL_BAD_PARAMETER, "eglReleaseTexImage");
st_get_framebuffer_surface(xsurf->Framebuffer, ST_SURFACE_BACK_LEFT,
&psurf);
st_unbind_texture_surface(psurf, ST_TEXTURE_2D, xsurf->Base.MipmapLevel);
xsurf->Base.BoundToTexture = EGL_FALSE;
return EGL_TRUE;
}
static EGLBoolean
xlib_eglSwapBuffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw)
{
@ -725,6 +807,8 @@ _eglMain(_EGLDisplay *dpy, const char *args)
xdrv->Base.API.CreateWindowSurface = xlib_eglCreateWindowSurface;
xdrv->Base.API.CreatePbufferSurface = xlib_eglCreatePbufferSurface;
xdrv->Base.API.DestroySurface = xlib_eglDestroySurface;
xdrv->Base.API.BindTexImage = xlib_eglBindTexImage;
xdrv->Base.API.ReleaseTexImage = xlib_eglReleaseTexImage;
xdrv->Base.API.MakeCurrent = xlib_eglMakeCurrent;
xdrv->Base.API.SwapBuffers = xlib_eglSwapBuffers;