/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
* Copyright 2008 VMware, Inc. All rights reserved.
*
* 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.
};
-/** cast wrapper */
-static INLINE struct quad_shade_stage *
-quad_shade_stage(struct quad_stage *qs)
-{
- return (struct quad_shade_stage *) qs;
-}
-
-
/**
* Execute fragment shader for the four fragments in the quad.
* \return TRUE if quad is alive, FALSE if all four pixels are killed
*/
-static INLINE boolean
+static inline boolean
shade_quad(struct quad_stage *qs, struct quad_header *quad)
{
struct softpipe_context *softpipe = qs->softpipe;
struct tgsi_exec_machine *machine = softpipe->fs_machine;
+ if (softpipe->active_statistics_queries) {
+ softpipe->pipeline_statistics.ps_invocations +=
+ util_bitcount(quad->inout.mask);
+ }
+
/* run shader */
- return softpipe->fs_variant->run( softpipe->fs_variant, machine, quad );
+ machine->flatshade_color = softpipe->rasterizer->flatshade ? TRUE : FALSE;
+ return softpipe->fs_variant->run( softpipe->fs_variant, machine, quad, softpipe->early_depth );
}
for (cbuf = 0; cbuf < softpipe->framebuffer.nr_cbufs; cbuf++) {
float (*quadColor)[4] = quad->output.color[cbuf];
unsigned j;
- for (j = 0; j < QUAD_SIZE; j++) {
+ for (j = 0; j < TGSI_QUAD_SIZE; j++) {
assert(quad->input.coverage[j] >= 0.0);
assert(quad->input.coverage[j] <= 1.0);
quadColor[3][j] *= quad->input.coverage[j];
machine->InterpCoefs = quads[0]->coef;
for (i = 0; i < nr; i++) {
- if (!shade_quad(qs, quads[i]))
+ /* Only omit this quad from the output list if all the fragments
+ * are killed _AND_ it's not the first quad in the list.
+ * The first quad is special in the (optimized) depth-testing code:
+ * the quads' Z coordinates are step-wise interpolated with respect
+ * to the first quad in the list.
+ * For multi-pass algorithms we need to produce exactly the same
+ * Z values in each pass. If interpolation starts with different quads
+ * we can get different Z values for the same (x,y).
+ */
+ if (!shade_quad(qs, quads[i]) && i > 0)
continue; /* quad totally culled/killed */
if (/*do_coverage*/ 0)
static void
shade_begin(struct quad_stage *qs)
{
- struct softpipe_context *softpipe = qs->softpipe;
-
- softpipe->fs_variant->prepare( softpipe->fs_variant,
- softpipe->fs_machine,
- (struct tgsi_sampler **)
- softpipe->tgsi.frag_samplers_list );
-
qs->next->begin(qs->next);
}