diff options
author | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
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committer | José Fonseca <jfonseca@vmware.com> | 2010-01-08 15:42:57 +0000 |
commit | 080c40ab32b2abd6d8381b4a0cc143d36a1652b2 (patch) | |
tree | e173767ebc5a82d81b9fc086449d915e29348976 /src/gallium/drivers/svga/svga_pipe_clear.c | |
parent | 9cdf6f025b2ed55cfb13dd09f870f01d0c7947d3 (diff) | |
parent | a1de400e8de06a80ab140bb0fa950e990607572d (diff) |
Merge remote branch 'origin/master' into lp-binning
Conflicts:
src/gallium/auxiliary/util/u_surface.c
src/gallium/drivers/llvmpipe/Makefile
src/gallium/drivers/llvmpipe/SConscript
src/gallium/drivers/llvmpipe/lp_bld_arit.c
src/gallium/drivers/llvmpipe/lp_bld_flow.c
src/gallium/drivers/llvmpipe/lp_bld_interp.c
src/gallium/drivers/llvmpipe/lp_clear.c
src/gallium/drivers/llvmpipe/lp_context.c
src/gallium/drivers/llvmpipe/lp_context.h
src/gallium/drivers/llvmpipe/lp_draw_arrays.c
src/gallium/drivers/llvmpipe/lp_jit.c
src/gallium/drivers/llvmpipe/lp_jit.h
src/gallium/drivers/llvmpipe/lp_prim_vbuf.c
src/gallium/drivers/llvmpipe/lp_setup.c
src/gallium/drivers/llvmpipe/lp_setup_point.c
src/gallium/drivers/llvmpipe/lp_state.h
src/gallium/drivers/llvmpipe/lp_state_blend.c
src/gallium/drivers/llvmpipe/lp_state_derived.c
src/gallium/drivers/llvmpipe/lp_state_fs.c
src/gallium/drivers/llvmpipe/lp_state_sampler.c
src/gallium/drivers/llvmpipe/lp_state_surface.c
src/gallium/drivers/llvmpipe/lp_tex_cache.c
src/gallium/drivers/llvmpipe/lp_tex_cache.h
src/gallium/drivers/llvmpipe/lp_tex_sample.h
src/gallium/drivers/llvmpipe/lp_tile_cache.c
Diffstat (limited to 'src/gallium/drivers/svga/svga_pipe_clear.c')
-rw-r--r-- | src/gallium/drivers/svga/svga_pipe_clear.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/src/gallium/drivers/svga/svga_pipe_clear.c b/src/gallium/drivers/svga/svga_pipe_clear.c new file mode 100644 index 0000000000..409b3b41cb --- /dev/null +++ b/src/gallium/drivers/svga/svga_pipe_clear.c @@ -0,0 +1,125 @@ +/********************************************************** + * Copyright 2008-2009 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 "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, copy, + * modify, merge, publish, distribute, sublicense, 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 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 + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS + * 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 "svga_cmd.h" +#include "svga_debug.h" + +#include "pipe/p_defines.h" +#include "util/u_pack_color.h" + +#include "svga_context.h" +#include "svga_state.h" +#include "svga_screen_texture.h" + + +static enum pipe_error +try_clear(struct svga_context *svga, + unsigned buffers, + const float *rgba, + double depth, + unsigned stencil) +{ + int ret = PIPE_OK; + SVGA3dRect rect = { 0, 0, 0, 0 }; + boolean restore_viewport = FALSE; + SVGA3dClearFlag flags = 0; + struct pipe_framebuffer_state *fb = &svga->curr.framebuffer; + union util_color uc; + + ret = svga_update_state(svga, SVGA_STATE_HW_CLEAR); + if (ret) + return ret; + + if ((buffers & PIPE_CLEAR_COLOR) && fb->cbufs[0]) { + flags |= SVGA3D_CLEAR_COLOR; + util_pack_color(rgba, PIPE_FORMAT_A8R8G8B8_UNORM, &uc); + + rect.w = fb->cbufs[0]->width; + rect.h = fb->cbufs[0]->height; + } + + if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && fb->zsbuf) { + flags |= SVGA3D_CLEAR_DEPTH; + + if (svga->curr.framebuffer.zsbuf->format == PIPE_FORMAT_Z24S8_UNORM) + flags |= SVGA3D_CLEAR_STENCIL; + + rect.w = MAX2(rect.w, fb->zsbuf->width); + rect.h = MAX2(rect.h, fb->zsbuf->height); + } + + if (memcmp(&rect, &svga->state.hw_clear.viewport, sizeof(rect)) != 0) { + restore_viewport = TRUE; + ret = SVGA3D_SetViewport(svga->swc, &rect); + if (ret) + return ret; + } + + ret = SVGA3D_ClearRect(svga->swc, flags, uc.ui, depth, stencil, + rect.x, rect.y, rect.w, rect.h); + if (ret != PIPE_OK) + return ret; + + if (restore_viewport) { + memcpy(&rect, &svga->state.hw_clear.viewport, sizeof rect); + ret = SVGA3D_SetViewport(svga->swc, &rect); + } + + return ret; +} + +/** + * Clear the given surface to the specified value. + * No masking, no scissor (clear entire buffer). + */ +void +svga_clear(struct pipe_context *pipe, unsigned buffers, const float *rgba, + double depth, unsigned stencil) +{ + struct svga_context *svga = svga_context( pipe ); + int ret; + + if (buffers & PIPE_CLEAR_COLOR) + SVGA_DBG(DEBUG_DMA, "clear sid %p\n", + svga_surface(svga->curr.framebuffer.cbufs[0])->handle); + + ret = try_clear( svga, buffers, rgba, depth, stencil ); + + if (ret == PIPE_ERROR_OUT_OF_MEMORY) { + /* Flush command buffer and retry: + */ + svga_context_flush( svga, NULL ); + + ret = try_clear( svga, buffers, rgba, depth, stencil ); + } + + /* + * Mark target surfaces as dirty + * TODO Mark only cleared surfaces. + */ + svga_mark_surfaces_dirty(svga); + + assert (ret == PIPE_OK); +} |