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Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_atom_msaa.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_atom_msaa.c166
1 files changed, 83 insertions, 83 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_atom_msaa.c b/mesalib/src/mesa/state_tracker/st_atom_msaa.c
index 73f0ff160..ea9eb9a6d 100644
--- a/mesalib/src/mesa/state_tracker/st_atom_msaa.c
+++ b/mesalib/src/mesa/state_tracker/st_atom_msaa.c
@@ -1,83 +1,83 @@
-/**************************************************************************
- *
- * Copyright 2010 VMware, Inc.
- * All Rights Reserved.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the
- * "Software"), to deal in the Software without restriction, including
- * without limitation the rights to use, copy, modify, merge, publish,
- * distribute, sub license, and/or sell copies of the Software, and to
- * permit persons to whom the Software is furnished to do so, subject to
- * the following conditions:
- *
- * The above copyright notice and this permission notice (including the
- * next paragraph) 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, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL THE AUTHORS 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.
- *
- **************************************************************************/
-
-
-#include "st_context.h"
-#include "pipe/p_context.h"
-#include "st_atom.h"
-
-#include "cso_cache/cso_context.h"
-
-
-/* Second state atom for user clip planes:
- */
-static void update_sample_mask( struct st_context *st )
-{
- unsigned sample_mask = 0xffffffff;
- unsigned sample_count = 1;
- struct pipe_framebuffer_state *framebuffer = &st->state.framebuffer;
-
- /* dependency here on bound surface (or rather, sample count) is worrying */
- if (framebuffer->zsbuf)
- sample_count = framebuffer->zsbuf->texture->nr_samples;
- else if (framebuffer->cbufs[0])
- sample_count = framebuffer->cbufs[0]->texture->nr_samples;
-
- if (st->ctx->Multisample.Enabled && sample_count > 1) {
- /* unlike in gallium/d3d10 the mask is only active if msaa is enabled */
- if (st->ctx->Multisample.SampleCoverage) {
- unsigned nr_bits;
- nr_bits = st->ctx->Multisample.SampleCoverageValue * (float)sample_count;
- /* there's lot of ways how to do this. We just use first few bits,
- since we have no knowledge of sample positions here. When
- app-supplied mask though is used too might need to be smarter.
- Also, there's a interface restriction here in theory it is
- encouraged this mask not be the same at each pixel. */
- sample_mask = (1 << nr_bits) - 1;
- if (st->ctx->Multisample.SampleCoverageInvert)
- sample_mask = ~sample_mask;
- }
- /* TODO merge with app-supplied sample mask */
- }
-
- /* mask off unused bits or don't care? */
-
- if (sample_mask != st->state.sample_mask) {
- st->state.sample_mask = sample_mask;
- cso_set_sample_mask(st->cso_context, sample_mask);
- }
-}
-
-
-const struct st_tracked_state st_update_msaa = {
- "st_update_msaa", /* name */
- { /* dirty */
- (_NEW_MULTISAMPLE | _NEW_BUFFERS), /* mesa */
- ST_NEW_FRAMEBUFFER, /* st */
- },
- update_sample_mask /* update */
-};
+/**************************************************************************
+ *
+ * Copyright 2010 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the
+ * "Software"), to deal in the Software without restriction, including
+ * without limitation the rights to use, copy, modify, merge, publish,
+ * distribute, sub license, and/or sell copies of the Software, and to
+ * permit persons to whom the Software is furnished to do so, subject to
+ * the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the
+ * next paragraph) 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, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS 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.
+ *
+ **************************************************************************/
+
+
+#include "st_context.h"
+#include "pipe/p_context.h"
+#include "st_atom.h"
+
+#include "cso_cache/cso_context.h"
+
+
+/* Second state atom for user clip planes:
+ */
+static void update_sample_mask( struct st_context *st )
+{
+ unsigned sample_mask = 0xffffffff;
+ unsigned sample_count = 1;
+ struct pipe_framebuffer_state *framebuffer = &st->state.framebuffer;
+
+ /* dependency here on bound surface (or rather, sample count) is worrying */
+ if (framebuffer->zsbuf)
+ sample_count = framebuffer->zsbuf->texture->nr_samples;
+ else if (framebuffer->cbufs[0])
+ sample_count = framebuffer->cbufs[0]->texture->nr_samples;
+
+ if (st->ctx->Multisample.Enabled && sample_count > 1) {
+ /* unlike in gallium/d3d10 the mask is only active if msaa is enabled */
+ if (st->ctx->Multisample.SampleCoverage) {
+ unsigned nr_bits;
+ nr_bits = st->ctx->Multisample.SampleCoverageValue * (float)sample_count;
+ /* there's lot of ways how to do this. We just use first few bits,
+ since we have no knowledge of sample positions here. When
+ app-supplied mask though is used too might need to be smarter.
+ Also, there's a interface restriction here in theory it is
+ encouraged this mask not be the same at each pixel. */
+ sample_mask = (1 << nr_bits) - 1;
+ if (st->ctx->Multisample.SampleCoverageInvert)
+ sample_mask = ~sample_mask;
+ }
+ /* TODO merge with app-supplied sample mask */
+ }
+
+ /* mask off unused bits or don't care? */
+
+ if (sample_mask != st->state.sample_mask) {
+ st->state.sample_mask = sample_mask;
+ cso_set_sample_mask(st->cso_context, sample_mask);
+ }
+}
+
+
+const struct st_tracked_state st_update_msaa = {
+ "st_update_msaa", /* name */
+ { /* dirty */
+ (_NEW_MULTISAMPLE | _NEW_BUFFERS), /* mesa */
+ ST_NEW_FRAMEBUFFER, /* st */
+ },
+ update_sample_mask /* update */
+};