summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/softpipe/sp_quad_bufloop.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_quad_bufloop.c')
-rw-r--r--src/gallium/drivers/softpipe/sp_quad_bufloop.c74
1 files changed, 0 insertions, 74 deletions
diff --git a/src/gallium/drivers/softpipe/sp_quad_bufloop.c b/src/gallium/drivers/softpipe/sp_quad_bufloop.c
deleted file mode 100644
index 953d8516b9..0000000000
--- a/src/gallium/drivers/softpipe/sp_quad_bufloop.c
+++ /dev/null
@@ -1,74 +0,0 @@
-
-#include "util/u_memory.h"
-#include "sp_context.h"
-#include "sp_quad.h"
-#include "sp_surface.h"
-#include "sp_quad_pipe.h"
-
-
-/**
- * Loop over colorbuffers, passing quad to next stage each time.
- */
-static void
-cbuf_loop_quad(struct quad_stage *qs, struct quad_header *quad)
-{
- struct softpipe_context *softpipe = qs->softpipe;
- float tmp[PIPE_MAX_COLOR_BUFS][4][QUAD_SIZE];
- unsigned i;
-
- assert(sizeof(quad->outputs.color) == sizeof(tmp));
- assert(softpipe->framebuffer.nr_cbufs <= PIPE_MAX_COLOR_BUFS);
-
- /* make copy of original colors since they can get modified
- * by blending and masking.
- * XXX we won't have to do this if the fragment program actually emits
- * N separate colors and we're drawing to N color buffers (MRT).
- * But if we emitted one color and glDrawBuffer(GL_FRONT_AND_BACK) is
- * in effect, we need to save/restore colors like this.
- */
- memcpy(tmp, quad->outputs.color, sizeof(tmp));
-
- for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
- /* set current cbuffer */
-#if 0 /* obsolete & going away */
- softpipe->current_cbuf = i;
-#endif
-
- /* pass blended quad to next stage */
- qs->next->run(qs->next, quad);
-
- /* restore quad's colors for next buffer */
- memcpy(quad->outputs.color, tmp, sizeof(tmp));
- }
-}
-
-
-static void cbuf_loop_begin(struct quad_stage *qs)
-{
- qs->next->begin(qs->next);
-}
-
-
-static void cbuf_loop_destroy(struct quad_stage *qs)
-{
- FREE( qs );
-}
-
-
-/**
- * Create the colorbuffer loop stage.
- * This is used to implement multiple render targets and GL_FRONT_AND_BACK
- * rendering.
- */
-struct quad_stage *sp_quad_bufloop_stage( struct softpipe_context *softpipe )
-{
- struct quad_stage *stage = CALLOC_STRUCT(quad_stage);
-
- stage->softpipe = softpipe;
- stage->begin = cbuf_loop_begin;
- stage->run = cbuf_loop_quad;
- stage->destroy = cbuf_loop_destroy;
-
- return stage;
-}
-