diff options
| -rw-r--r-- | src/gallium/state_trackers/egl/x11/native_dri2.c | 118 |
1 files changed, 67 insertions, 51 deletions
diff --git a/src/gallium/state_trackers/egl/x11/native_dri2.c b/src/gallium/state_trackers/egl/x11/native_dri2.c index feae025dcc7..f4072bb0cda 100644 --- a/src/gallium/state_trackers/egl/x11/native_dri2.c +++ b/src/gallium/state_trackers/egl/x11/native_dri2.c @@ -98,65 +98,23 @@ dri2_config(const struct native_config *nconf) } /** - * Get the buffers from the server. + * Process the buffers returned by the server. */ static void -dri2_surface_get_buffers(struct native_surface *nsurf, uint buffer_mask) +dri2_surface_process_drawable_buffers(struct native_surface *nsurf, + struct x11_drawable_buffer *xbufs, + int num_xbufs) { struct dri2_surface *dri2surf = dri2_surface(nsurf); struct dri2_display *dri2dpy = dri2surf->dri2dpy; - unsigned int dri2atts[NUM_NATIVE_ATTACHMENTS]; - int num_ins, num_outs, att, i; - struct x11_drawable_buffer *xbufs; struct pipe_texture templ; uint valid_mask; + int i; - /* prepare the attachments */ - num_ins = 0; - for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) { - if (native_attachment_mask_test(buffer_mask, att)) { - unsigned int dri2att; - - switch (att) { - case NATIVE_ATTACHMENT_FRONT_LEFT: - dri2att = DRI2BufferFrontLeft; - break; - case NATIVE_ATTACHMENT_BACK_LEFT: - dri2att = DRI2BufferBackLeft; - break; - case NATIVE_ATTACHMENT_FRONT_RIGHT: - dri2att = DRI2BufferFrontRight; - break; - case NATIVE_ATTACHMENT_BACK_RIGHT: - dri2att = DRI2BufferBackRight; - break; - default: - assert(0); - dri2att = 0; - break; - } - - dri2atts[num_ins] = dri2att; - num_ins++; - } - } - - xbufs = x11_drawable_get_buffers(dri2dpy->xscr, dri2surf->drawable, - &dri2surf->width, &dri2surf->height, - dri2atts, FALSE, num_ins, &num_outs); - - /* we should be able to do better... */ - if (xbufs && dri2surf->last_num_xbufs == num_outs && - memcmp(dri2surf->last_xbufs, xbufs, sizeof(*xbufs) * num_outs) == 0) { - free(xbufs); - return; - } - - /* free the old buffers */ + /* free the old textures */ for (i = 0; i < NUM_NATIVE_ATTACHMENTS; i++) pipe_texture_reference(&dri2surf->textures[i], NULL); dri2surf->valid_mask = 0x0; - dri2surf->sequence_number++; dri2surf->have_back = FALSE; dri2surf->have_fake = FALSE; @@ -174,7 +132,7 @@ dri2_surface_get_buffers(struct native_surface *nsurf, uint buffer_mask) templ.tex_usage = PIPE_TEXTURE_USAGE_RENDER_TARGET; valid_mask = 0x0; - for (i = 0; i < num_outs; i++) { + for (i = 0; i < num_xbufs; i++) { struct x11_drawable_buffer *xbuf = &xbufs[i]; const char *desc; enum native_attachment natt; @@ -214,12 +172,70 @@ dri2_surface_get_buffers(struct native_surface *nsurf, uint buffer_mask) valid_mask |= 1 << natt; } + dri2surf->valid_mask = valid_mask; +} + +/** + * Get the buffers from the server. + */ +static void +dri2_surface_get_buffers(struct native_surface *nsurf, uint buffer_mask) +{ + struct dri2_surface *dri2surf = dri2_surface(nsurf); + struct dri2_display *dri2dpy = dri2surf->dri2dpy; + unsigned int dri2atts[NUM_NATIVE_ATTACHMENTS]; + int num_ins, num_outs, att; + struct x11_drawable_buffer *xbufs; + + /* prepare the attachments */ + num_ins = 0; + for (att = 0; att < NUM_NATIVE_ATTACHMENTS; att++) { + if (native_attachment_mask_test(buffer_mask, att)) { + unsigned int dri2att; + + switch (att) { + case NATIVE_ATTACHMENT_FRONT_LEFT: + dri2att = DRI2BufferFrontLeft; + break; + case NATIVE_ATTACHMENT_BACK_LEFT: + dri2att = DRI2BufferBackLeft; + break; + case NATIVE_ATTACHMENT_FRONT_RIGHT: + dri2att = DRI2BufferFrontRight; + break; + case NATIVE_ATTACHMENT_BACK_RIGHT: + dri2att = DRI2BufferBackRight; + break; + default: + assert(0); + dri2att = 0; + break; + } + + dri2atts[num_ins] = dri2att; + num_ins++; + } + } + + xbufs = x11_drawable_get_buffers(dri2dpy->xscr, dri2surf->drawable, + &dri2surf->width, &dri2surf->height, + dri2atts, FALSE, num_ins, &num_outs); + + /* we should be able to do better... */ + if (xbufs && dri2surf->last_num_xbufs == num_outs && + memcmp(dri2surf->last_xbufs, xbufs, sizeof(*xbufs) * num_outs) == 0) { + free(xbufs); + return; + } + + dri2_surface_process_drawable_buffers(&dri2surf->base, xbufs, num_outs); + + dri2surf->sequence_number++; + if (dri2surf->last_xbufs) free(dri2surf->last_xbufs); dri2surf->last_xbufs = xbufs; dri2surf->last_num_xbufs = num_outs; - - dri2surf->valid_mask = valid_mask; } /** |