diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_clear.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_clear.c | 70 |
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 + } } |