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-rw-r--r--src/gallium/drivers/softpipe/sp_clear.c70
1 files changed, 26 insertions, 44 deletions
diff --git a/src/gallium/drivers/softpipe/sp_clear.c b/src/gallium/drivers/softpipe/sp_clear.c
index ad108ec446d..fa59277438c 100644
--- a/src/gallium/drivers/softpipe/sp_clear.c
+++ b/src/gallium/drivers/softpipe/sp_clear.c
@@ -2,6 +2,7 @@
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
+ * Copyright 2009 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
@@ -27,6 +28,7 @@
/* Author:
* Brian Paul
+ * Michel Dänzer
*/
@@ -40,34 +42,15 @@
/**
- * Convert packed pixel from one format to another.
- */
-static unsigned
-convert_color(enum pipe_format srcFormat, unsigned srcColor,
- enum pipe_format dstFormat)
-{
- ubyte r, g, b, a;
- unsigned dstColor;
-
- util_unpack_color_ub(srcFormat, &srcColor, &r, &g, &b, &a);
- util_pack_color_ub(r, g, b, a, dstFormat, &dstColor);
-
- return dstColor;
-}
-
-
-
-/**
- * Clear the given surface to the specified value.
+ * Clear the given buffers to the specified values.
* No masking, no scissor (clear entire buffer).
- * Note: when clearing a color buffer, the clearValue is always
- * encoded as PIPE_FORMAT_A8R8G8B8_UNORM.
*/
void
-softpipe_clear(struct pipe_context *pipe, struct pipe_surface *ps,
- unsigned clearValue)
+softpipe_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba,
+ double depth, unsigned stencil)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
+ unsigned cv;
uint i;
if (softpipe->no_rast)
@@ -77,31 +60,30 @@ softpipe_clear(struct pipe_context *pipe, struct pipe_surface *ps,
softpipe_update_derived(softpipe); /* not needed?? */
#endif
- if (ps == sp_tile_cache_get_surface(softpipe->zsbuf_cache)) {
- sp_tile_cache_clear(softpipe->zsbuf_cache, clearValue);
- softpipe->framebuffer.zsbuf->status = PIPE_SURFACE_STATUS_CLEAR;
-#if TILE_CLEAR_OPTIMIZATION
- return;
-#endif
- }
+ if (buffers & PIPE_CLEAR_COLOR) {
+ for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
+ struct pipe_surface *ps = softpipe->framebuffer.cbufs[i];
- for (i = 0; i < softpipe->framebuffer.nr_cbufs; i++) {
- if (ps == sp_tile_cache_get_surface(softpipe->cbuf_cache[i])) {
- unsigned cv;
- if (ps->format != PIPE_FORMAT_A8R8G8B8_UNORM) {
- cv = convert_color(PIPE_FORMAT_A8R8G8B8_UNORM, clearValue,
- ps->format);
- }
- else {
- cv = clearValue;
- }
- sp_tile_cache_clear(softpipe->cbuf_cache[i], cv);
- softpipe->framebuffer.cbufs[i]->status = PIPE_SURFACE_STATUS_CLEAR;
+ util_pack_color(rgba, ps->format, &cv);
+ sp_tile_cache_clear(softpipe->cbuf_cache[i], rgba, cv);
+
+#if !TILE_CLEAR_OPTIMIZATION
+ /* non-cached surface */
+ pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, cv);
+#endif
}
}
+ if (buffers & PIPE_CLEAR_DEPTHSTENCIL) {
+ static const float zero[4] = { 0.0F, 0.0F, 0.0F, 0.0F };
+ struct pipe_surface *ps = softpipe->framebuffer.zsbuf;
+
+ cv = util_pack_z_stencil(ps->format, depth, stencil);
+ sp_tile_cache_clear(softpipe->zsbuf_cache, zero, cv);
+
#if !TILE_CLEAR_OPTIMIZATION
- /* non-cached surface */
- pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, clearValue);
+ /* non-cached surface */
+ pipe->surface_fill(pipe, ps, 0, 0, ps->width, ps->height, cv);
#endif
+ }
}