C++ (Cpp) _get_depth_stencil_format示例

示例#1

文件： cairo-gl-device.c 项目： NicoK78/Colory

static cairo_bool_t
_cairo_gl_ensure_depth_stencil_buffer (cairo_gl_context_t *ctx,
				       cairo_gl_surface_t *surface)
{
    cairo_gl_dispatch_t *dispatch = &ctx->dispatch;

    if (surface->depth_stencil)
	return TRUE;

    _cairo_gl_ensure_framebuffer (ctx, surface);

    dispatch->GenRenderbuffers (1, &surface->depth_stencil);
    dispatch->BindRenderbuffer (GL_RENDERBUFFER, surface->depth_stencil);
    dispatch->RenderbufferStorage (GL_RENDERBUFFER,
				   _get_depth_stencil_format (ctx),
				   surface->width, surface->height);

    dispatch->FramebufferRenderbuffer (GL_FRAMEBUFFER, GL_STENCIL_ATTACHMENT,
				       GL_RENDERBUFFER, surface->depth_stencil);
    dispatch->FramebufferRenderbuffer (GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT,
				       GL_RENDERBUFFER, surface->depth_stencil);
    if (dispatch->CheckFramebufferStatus (GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
	dispatch->DeleteRenderbuffers (1, &surface->depth_stencil);
	surface->depth_stencil = 0;
	return FALSE;
    }

    return TRUE;
}

示例#2

文件： cairo-gl-device.c 项目： NicoK78/Colory

static cairo_bool_t
_cairo_gl_ensure_msaa_depth_stencil_buffer (cairo_gl_context_t *ctx,
					    cairo_gl_surface_t *surface)
{
    cairo_gl_dispatch_t *dispatch = &ctx->dispatch;
    if (surface->msaa_depth_stencil)
	return TRUE;

    _cairo_gl_ensure_framebuffer (ctx, surface);
#if CAIRO_HAS_GL_SURFACE
    if (ctx->gl_flavor == CAIRO_GL_FLAVOR_DESKTOP)
	_cairo_gl_ensure_multisampling (ctx, surface);
#endif

    dispatch->GenRenderbuffers (1, &surface->msaa_depth_stencil);
    dispatch->BindRenderbuffer (GL_RENDERBUFFER,
			        surface->msaa_depth_stencil);

    dispatch->RenderbufferStorageMultisample (GL_RENDERBUFFER,
					      ctx->num_samples,
					      _get_depth_stencil_format (ctx),
					      surface->width,
					      surface->height);

#if CAIRO_HAS_GL_SURFACE
    if (ctx->gl_flavor == CAIRO_GL_FLAVOR_DESKTOP) {
	dispatch->FramebufferRenderbuffer (GL_FRAMEBUFFER,
					   GL_DEPTH_STENCIL_ATTACHMENT,
					   GL_RENDERBUFFER,
					   surface->msaa_depth_stencil);
    }
#endif

#if CAIRO_HAS_GLESV2_SURFACE
    if (ctx->gl_flavor == CAIRO_GL_FLAVOR_ES) {
	dispatch->FramebufferRenderbuffer (GL_FRAMEBUFFER,
					   GL_DEPTH_ATTACHMENT,
					   GL_RENDERBUFFER,
					   surface->msaa_depth_stencil);
	dispatch->FramebufferRenderbuffer (GL_FRAMEBUFFER,
					   GL_STENCIL_ATTACHMENT,
					   GL_RENDERBUFFER,
					   surface->msaa_depth_stencil);
    }
#endif

    if (dispatch->CheckFramebufferStatus (GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE) {
	dispatch->DeleteRenderbuffers (1, &surface->msaa_depth_stencil);
	surface->msaa_depth_stencil = 0;
	return FALSE;
    }

    return TRUE;
}

示例#3

文件： cairo-gl-device.c 项目： csyuschmjuh/apl

static void
_cairo_gl_replace_depth_stencil_buffer (cairo_gl_context_t *ctx,
					int width,
					int height)
{
    cairo_gl_dispatch_t *dispatch = &ctx->dispatch;

    if (ctx->shared_depth_stencil)
	dispatch->DeleteRenderbuffers (1, &ctx->shared_depth_stencil);

    dispatch->GenRenderbuffers (1, &ctx->shared_depth_stencil);
    dispatch->BindRenderbuffer (GL_RENDERBUFFER, ctx->shared_depth_stencil);
    dispatch->RenderbufferStorage (GL_RENDERBUFFER,
				   _get_depth_stencil_format (ctx),
				   width, height);
    ctx->shared_depth_stencil_width = width;
    ctx->shared_depth_stencil_height = height;
}