* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
*
* Authors:
* Chia-I Wu <olv@lunarg.com>
#include "xm_st.h"
struct xmesa_st_framebuffer {
- struct pipe_screen *screen;
+ XMesaDisplay display;
XMesaBuffer buffer;
+ struct pipe_screen *screen;
struct st_visual stvis;
unsigned texture_width, texture_height, texture_mask;
- struct pipe_texture *textures[ST_ATTACHMENT_COUNT];
+ struct pipe_resource *textures[ST_ATTACHMENT_COUNT];
struct pipe_surface *display_surface;
};
enum st_attachment_type statt)
{
struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
- struct pipe_texture *ptex = xstfb->textures[statt];
+ struct pipe_resource *ptex = xstfb->textures[statt];
struct pipe_surface *psurf;
if (!ptex)
pipe_surface_reference(&xstfb->display_surface, NULL);
psurf = xstfb->screen->get_tex_surface(xstfb->screen,
- ptex, 0, 0, 0, PIPE_BUFFER_USAGE_CPU_READ);
+ ptex, 0, 0, 0, PIPE_BIND_DISPLAY_TARGET);
if (!psurf)
return FALSE;
return TRUE;
}
+/**
+ * Copy the contents between the attachments.
+ */
+static void
+xmesa_st_framebuffer_copy_textures(struct st_framebuffer_iface *stfbi,
+ enum st_attachment_type src_statt,
+ enum st_attachment_type dst_statt,
+ unsigned x, unsigned y,
+ unsigned width, unsigned height)
+{
+ struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
+ struct pipe_resource *src_ptex = xstfb->textures[src_statt];
+ struct pipe_resource *dst_ptex = xstfb->textures[dst_statt];
+ struct pipe_surface *src, *dst;
+ struct pipe_context *pipe;
+
+ if (!src_ptex || !dst_ptex)
+ return;
+
+ pipe = xstfb->display->pipe;
+ if (!pipe) {
+ pipe = xstfb->screen->context_create(xstfb->screen, NULL);
+ if (!pipe)
+ return;
+ xstfb->display->pipe = pipe;
+ }
+
+ src = xstfb->screen->get_tex_surface(xstfb->screen,
+ src_ptex, 0, 0, 0, PIPE_BIND_BLIT_SOURCE);
+ dst = xstfb->screen->get_tex_surface(xstfb->screen,
+ dst_ptex, 0, 0, 0, PIPE_BIND_BLIT_DESTINATION);
+
+ if (src && dst)
+ pipe->surface_copy(pipe, dst, x, y, src, x, y, width, height);
+
+ pipe_surface_reference(&src, NULL);
+ pipe_surface_reference(&dst, NULL);
+}
+
/**
* Remove outdated textures and create the requested ones.
*/
unsigned mask)
{
struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
- struct pipe_texture templ;
+ struct pipe_resource templ;
unsigned i;
/* remove outdated textures */
if (xstfb->texture_width != width || xstfb->texture_height != height) {
for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
- pipe_texture_reference(&xstfb->textures[i], NULL);
+ pipe_resource_reference(&xstfb->textures[i], NULL);
}
memset(&templ, 0, sizeof(templ));
for (i = 0; i < ST_ATTACHMENT_COUNT; i++) {
enum pipe_format format;
- unsigned tex_usage;
+ unsigned bind;
/* the texture already exists or not requested */
if (xstfb->textures[i] || !(mask & (1 << i))) {
case ST_ATTACHMENT_FRONT_RIGHT:
case ST_ATTACHMENT_BACK_RIGHT:
format = xstfb->stvis.color_format;
- tex_usage = PIPE_TEXTURE_USAGE_DISPLAY_TARGET |
- PIPE_TEXTURE_USAGE_RENDER_TARGET;
+ bind = PIPE_BIND_DISPLAY_TARGET |
+ PIPE_BIND_RENDER_TARGET;
break;
case ST_ATTACHMENT_DEPTH_STENCIL:
format = xstfb->stvis.depth_stencil_format;
- tex_usage = PIPE_TEXTURE_USAGE_DEPTH_STENCIL;
+ bind = PIPE_BIND_DEPTH_STENCIL;
break;
default:
format = PIPE_FORMAT_NONE;
if (format != PIPE_FORMAT_NONE) {
templ.format = format;
- templ.tex_usage = tex_usage;
+ templ.bind = bind;
xstfb->textures[i] =
- xstfb->screen->texture_create(xstfb->screen, &templ);
+ xstfb->screen->resource_create(xstfb->screen, &templ);
}
}
xmesa_st_framebuffer_validate(struct st_framebuffer_iface *stfbi,
const enum st_attachment_type *statts,
unsigned count,
- struct pipe_texture **out)
+ struct pipe_resource **out)
{
struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
- unsigned statt_mask, i;
+ unsigned statt_mask, new_mask, i;
+ boolean resized;
statt_mask = 0x0;
for (i = 0; i < count; i++)
statt_mask |= 1 << statts[i];
+ /* record newly allocated textures */
+ new_mask = statt_mask & ~xstfb->texture_mask;
+
+ resized = (xstfb->buffer->width != xstfb->texture_width ||
+ xstfb->buffer->height != xstfb->texture_height);
/* revalidate textures */
- if (xstfb->buffer->width != xstfb->texture_width ||
- xstfb->buffer->height != xstfb->texture_height ||
- (xstfb->texture_mask & statt_mask) != statt_mask) {
+ if (resized || new_mask) {
xmesa_st_framebuffer_validate_textures(stfbi,
xstfb->buffer->width, xstfb->buffer->height, statt_mask);
+
+ if (!resized) {
+ enum st_attachment_type back, front;
+
+ back = ST_ATTACHMENT_BACK_LEFT;
+ front = ST_ATTACHMENT_FRONT_LEFT;
+ /* copy the contents if front is newly allocated and back is not */
+ if ((statt_mask & (1 << back)) &&
+ (new_mask & (1 << front)) &&
+ !(new_mask & (1 << back))) {
+ xmesa_st_framebuffer_copy_textures(stfbi, back, front,
+ 0, 0, xstfb->texture_width, xstfb->texture_height);
+ }
+ }
}
for (i = 0; i < count; i++) {
out[i] = NULL;
- pipe_texture_reference(&out[i], xstfb->textures[statts[i]]);
+ pipe_resource_reference(&out[i], xstfb->textures[statts[i]]);
}
return TRUE;
}
struct st_framebuffer_iface *
-xmesa_create_st_framebuffer(struct pipe_screen *screen, XMesaBuffer b)
+xmesa_create_st_framebuffer(XMesaDisplay xmdpy, XMesaBuffer b)
{
struct st_framebuffer_iface *stfbi;
struct xmesa_st_framebuffer *xstfb;
+ assert(xmdpy->display == b->xm_visual->display);
+
stfbi = CALLOC_STRUCT(st_framebuffer_iface);
xstfb = CALLOC_STRUCT(xmesa_st_framebuffer);
if (!stfbi || !xstfb) {
return NULL;
}
- xstfb->screen = screen;
+ xstfb->display = xmdpy;
xstfb->buffer = b;
+ xstfb->screen = xmdpy->screen;
xstfb->stvis = b->xm_visual->stvis;
stfbi->visual = &xstfb->stvis;
pipe_surface_reference(&xstfb->display_surface, NULL);
for (i = 0; i < ST_ATTACHMENT_COUNT; i++)
- pipe_texture_reference(&xstfb->textures[i], NULL);
+ pipe_resource_reference(&xstfb->textures[i], NULL);
FREE(xstfb);
FREE(stfbi);
ret = xmesa_st_framebuffer_display(stfbi, ST_ATTACHMENT_BACK_LEFT);
if (ret) {
- struct pipe_texture **front, **back, *tmp;
+ struct pipe_resource **front, **back, *tmp;
front = &xstfb->textures[ST_ATTACHMENT_FRONT_LEFT];
back = &xstfb->textures[ST_ATTACHMENT_BACK_LEFT];
enum st_attachment_type dst,
int x, int y, int w, int h)
{
- /* TODO */
+ xmesa_st_framebuffer_copy_textures(stfbi, src, dst, x, y, w, h);
+ if (dst == ST_ATTACHMENT_FRONT_LEFT)
+ xmesa_st_framebuffer_display(stfbi, dst);
}