/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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: Keith Whitwell <keith@tungstengraphics.com>
+/* Authors: Keith Whitwell <keithw@vmware.com>
*/
#include "pipe/p_state.h"
#include "util/u_inlines.h"
+#include "util/u_framebuffer.h"
#include "util/u_surface.h"
#include "lp_context.h"
#include "lp_scene.h"
#include "draw/draw_context.h"
-#include "util/u_format.h"
+#include "util/format/u_format.h"
/**
struct llvmpipe_context *lp = llvmpipe_context(pipe);
boolean changed = !util_framebuffer_state_equal(&lp->framebuffer, fb);
+ unsigned i;
- assert(fb->width <= MAXWIDTH);
- assert(fb->height <= MAXHEIGHT);
+ assert(fb->width <= LP_MAX_WIDTH);
+ assert(fb->height <= LP_MAX_HEIGHT);
if (changed) {
+ /*
+ * If no depth buffer is bound, send the utility function the default
+ * format for no bound depth (PIPE_FORMAT_NONE).
+ */
+ enum pipe_format depth_format = fb->zsbuf ?
+ fb->zsbuf->format : PIPE_FORMAT_NONE;
+ const struct util_format_description *depth_desc =
+ util_format_description(depth_format);
+
+ if (lp->framebuffer.zsbuf && lp->framebuffer.zsbuf->context != pipe) {
+ debug_printf("Illegal setting of fb state with zsbuf created in "
+ "another context\n");
+ }
+ for (i = 0; i < fb->nr_cbufs; i++) {
+ if (lp->framebuffer.cbufs[i] &&
+ lp->framebuffer.cbufs[i]->context != pipe) {
+ debug_printf("Illegal setting of fb state with cbuf %d created in "
+ "another context\n", i);
+ }
+ }
util_copy_framebuffer_state(&lp->framebuffer, fb);
- /* Tell draw module how deep the Z/depth buffer is */
- if (lp->framebuffer.zsbuf) {
- int depth_bits;
- double mrd;
- depth_bits = util_format_get_component_bits(lp->framebuffer.zsbuf->format,
- UTIL_FORMAT_COLORSPACE_ZS,
- 0);
- if (depth_bits > 16) {
- mrd = 0.0000001;
- }
- else {
- mrd = 0.00002;
- }
- draw_set_mrd(lp->draw, mrd);
+ if (LP_PERF & PERF_NO_DEPTH) {
+ pipe_surface_reference(&lp->framebuffer.zsbuf, NULL);
}
+ /*
+ * Calculate the floating point depth sense and Minimum Resolvable Depth
+ * value for the llvmpipe module. This is separate from the draw module.
+ */
+ lp->floating_point_depth =
+ (util_get_depth_format_type(depth_desc) == UTIL_FORMAT_TYPE_FLOAT);
+
+ lp->mrd = util_get_depth_format_mrd(depth_desc);
+
+ /* Tell the draw module how deep the Z/depth buffer is. */
+ draw_set_zs_format(lp->draw, depth_format);
+
lp_setup_bind_framebuffer( lp->setup, &lp->framebuffer );
lp->dirty |= LP_NEW_FRAMEBUFFER;