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Diffstat (limited to 'src/gallium/drivers/softpipe/sp_quad_coverage.c')
-rw-r--r--src/gallium/drivers/softpipe/sp_quad_coverage.c94
1 files changed, 0 insertions, 94 deletions
diff --git a/src/gallium/drivers/softpipe/sp_quad_coverage.c b/src/gallium/drivers/softpipe/sp_quad_coverage.c
deleted file mode 100644
index 4aeee85870..0000000000
--- a/src/gallium/drivers/softpipe/sp_quad_coverage.c
+++ /dev/null
@@ -1,94 +0,0 @@
-/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
- * 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 TUNGSTEN GRAPHICS 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.
- *
- **************************************************************************/
-
-
-/**
- * \brief Apply AA coverage to quad alpha valus
- * \author Brian Paul
- */
-
-
-#include "pipe/p_defines.h"
-#include "util/u_memory.h"
-#include "sp_context.h"
-#include "sp_quad.h"
-#include "sp_quad_pipe.h"
-
-
-/**
- * Multiply quad's alpha values by the fragment coverage.
- */
-static void
-coverage_quad(struct quad_stage *qs, struct quad_header *quad)
-{
- struct softpipe_context *softpipe = qs->softpipe;
- const uint prim = quad->input.prim;
-
- if ((softpipe->rasterizer->poly_smooth && prim == QUAD_PRIM_TRI) ||
- (softpipe->rasterizer->line_smooth && prim == QUAD_PRIM_LINE) ||
- (softpipe->rasterizer->point_smooth && prim == QUAD_PRIM_POINT)) {
- uint cbuf;
-
- /* loop over colorbuffer outputs */
- 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++) {
- assert(quad->input.coverage[j] >= 0.0);
- assert(quad->input.coverage[j] <= 1.0);
- quadColor[3][j] *= quad->input.coverage[j];
- }
- }
- }
-
- qs->next->run(qs->next, quad);
-}
-
-
-static void coverage_begin(struct quad_stage *qs)
-{
- qs->next->begin(qs->next);
-}
-
-
-static void coverage_destroy(struct quad_stage *qs)
-{
- FREE( qs );
-}
-
-
-struct quad_stage *sp_quad_coverage_stage( struct softpipe_context *softpipe )
-{
- struct quad_stage *stage = CALLOC_STRUCT(quad_stage);
-
- stage->softpipe = softpipe;
- stage->begin = coverage_begin;
- stage->run = coverage_quad;
- stage->destroy = coverage_destroy;
-
- return stage;
-}