1f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/********************************************************** 2f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Copyright 2008-2009 VMware, Inc. All rights reserved. 3f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 4f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Permission is hereby granted, free of charge, to any person 5f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * obtaining a copy of this software and associated documentation 6f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * files (the "Software"), to deal in the Software without 7f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * restriction, including without limitation the rights to use, copy, 8f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * modify, merge, publish, distribute, sublicense, and/or sell copies 9f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * of the Software, and to permit persons to whom the Software is 10f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * furnished to do so, subject to the following conditions: 11f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 12f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * The above copyright notice and this permission notice shall be 13f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * included in all copies or substantial portions of the Software. 14f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 15f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 18f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 19f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 20f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 21f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 22f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * SOFTWARE. 23f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * 24f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org **********************************************************/ 25f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 26f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "svga_cmd.h" 27f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "svga_debug.h" 28f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 29f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "pipe/p_defines.h" 30f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "util/u_pack_color.h" 31f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 32f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "svga_context.h" 33f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "svga_state.h" 34f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org#include "svga_surface.h" 35f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 36f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 37f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgstatic enum pipe_error 38f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgtry_clear(struct svga_context *svga, 39f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned buffers, 40f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const union pipe_color_union *color, 41f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org double depth, 42f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org unsigned stencil) 43f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 44f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum pipe_error ret = PIPE_OK; 45f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org SVGA3dRect rect = { 0, 0, 0, 0 }; 46f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org boolean restore_viewport = FALSE; 47f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org SVGA3dClearFlag flags = 0; 48f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct pipe_framebuffer_state *fb = &svga->curr.framebuffer; 49f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org union util_color uc = {0}; 50f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 51f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret = svga_update_state(svga, SVGA_STATE_HW_CLEAR); 52f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ret != PIPE_OK) 53f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return ret; 54f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 55f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (svga->rebind.rendertargets) { 56f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret = svga_reemit_framebuffer_bindings(svga); 57f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ret != PIPE_OK) { 58f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return ret; 59f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 60f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 61f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 62f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if ((buffers & PIPE_CLEAR_COLOR) && fb->cbufs[0]) { 63f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flags |= SVGA3D_CLEAR_COLOR; 64f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org util_pack_color(color->f, PIPE_FORMAT_B8G8R8A8_UNORM, &uc); 65f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 66f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rect.w = fb->cbufs[0]->width; 67f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rect.h = fb->cbufs[0]->height; 68f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 69f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 70f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && fb->zsbuf) { 71f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (buffers & PIPE_CLEAR_DEPTH) 72f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flags |= SVGA3D_CLEAR_DEPTH; 73f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 74f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if ((svga->curr.framebuffer.zsbuf->format == PIPE_FORMAT_S8_UINT_Z24_UNORM) && 75f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org (buffers & PIPE_CLEAR_STENCIL)) 76f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org flags |= SVGA3D_CLEAR_STENCIL; 77f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 78f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rect.w = MAX2(rect.w, fb->zsbuf->width); 79f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rect.h = MAX2(rect.h, fb->zsbuf->height); 80f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 81f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 82f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (memcmp(&rect, &svga->state.hw_clear.viewport, sizeof(rect)) != 0) { 83f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org restore_viewport = TRUE; 84f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret = SVGA3D_SetViewport(svga->swc, &rect); 85f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ret != PIPE_OK) 86f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return ret; 87f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 88f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 89f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret = SVGA3D_ClearRect(svga->swc, flags, uc.ui, depth, stencil, 90f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org rect.x, rect.y, rect.w, rect.h); 91f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ret != PIPE_OK) 92f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return ret; 93f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 94f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (restore_viewport) { 95f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org memcpy(&rect, &svga->state.hw_clear.viewport, sizeof rect); 96f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret = SVGA3D_SetViewport(svga->swc, &rect); 97f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 98f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 99f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org return ret; 100f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 101f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 102f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org/** 103f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Clear the given surface to the specified value. 104f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * No masking, no scissor (clear entire buffer). 105f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 106f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgvoid 107f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.orgsvga_clear(struct pipe_context *pipe, unsigned buffers, 108f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org const union pipe_color_union *color, 109f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org double depth, unsigned stencil) 110f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org{ 111f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org struct svga_context *svga = svga_context( pipe ); 112f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org enum pipe_error ret; 113f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 114f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (buffers & PIPE_CLEAR_COLOR) 115f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org SVGA_DBG(DEBUG_DMA, "clear sid %p\n", 116f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org svga_surface(svga->curr.framebuffer.cbufs[0])->handle); 117f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 118f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* flush any queued prims (don't want them to appear after the clear!) */ 119f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org svga_hwtnl_flush_retry(svga); 120f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 121f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret = try_clear( svga, buffers, color, depth, stencil ); 122f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 123f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org if (ret == PIPE_ERROR_OUT_OF_MEMORY) { 124f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* Flush command buffer and retry: 125f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 126f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org svga_context_flush( svga, NULL ); 127f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 128f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org ret = try_clear( svga, buffers, color, depth, stencil ); 129f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org } 130f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 131f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org /* 132f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * Mark target surfaces as dirty 133f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org * TODO Mark only cleared surfaces. 134f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org */ 135f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org svga_mark_surfaces_dirty(svga); 136f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org 137f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org assert (ret == PIPE_OK); 138f2ba7591b1407a7ee9209f842c50696914dc2dedkbr@chromium.org} 139