| /* |
| * Copyright (C) 2008-2009 Advanced Micro Devices, Inc. |
| * |
| * 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 COPYRIGHT HOLDER(S) 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. |
| */ |
| |
| /* |
| * Authors: |
| * Richard Li <RichardZ.Li@amd.com>, <richardradeon@gmail.com> |
| * CooperYuan <cooper.yuan@amd.com>, <cooperyuan@gmail.com> |
| */ |
| |
| #include "main/glheader.h" |
| #include "main/context.h" |
| #include "main/macros.h" |
| #include "main/imports.h" |
| #include "main/mtypes.h" |
| #include "main/enums.h" |
| #include "swrast/swrast.h" |
| |
| #include "radeon_lock.h" |
| #include "r600_context.h" |
| |
| #include "r700_shaderinst.h" |
| #include "r600_emit.h" |
| #include "r700_clear.h" |
| |
| static GLboolean r700ClearFast(context_t *context, GLbitfield mask) |
| { |
| /* TODO, fast clear need implementation */ |
| return GL_FALSE; |
| } |
| |
| void r700Clear(GLcontext * ctx, GLbitfield mask) |
| { |
| context_t *context = R700_CONTEXT(ctx); |
| __DRIdrawable *dPriv = radeon_get_drawable(&context->radeon); |
| const GLuint colorMask = *((GLuint *) & ctx->Color.ColorMask[0]); |
| GLbitfield swrast_mask = 0, tri_mask = 0; |
| int i; |
| struct gl_framebuffer *fb = ctx->DrawBuffer; |
| |
| radeon_print(RADEON_RENDER, RADEON_VERBOSE, "%s %x\n", __func__, mask); |
| |
| if (mask & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_FRONT_RIGHT)) { |
| context->radeon.front_buffer_dirty = GL_TRUE; |
| } |
| |
| if( GL_TRUE == r700ClearFast(context, mask) ) |
| { |
| return; |
| } |
| if (!context->radeon.radeonScreen->driScreen->dri2.enabled) { |
| LOCK_HARDWARE(&context->radeon); |
| UNLOCK_HARDWARE(&context->radeon); |
| if (dPriv->numClipRects == 0) |
| return; |
| } |
| |
| R600_NEWPRIM(context); |
| |
| if (colorMask == ~0) |
| tri_mask |= (mask & BUFFER_BITS_COLOR); |
| else |
| tri_mask |= (mask & (BUFFER_BIT_FRONT_LEFT | BUFFER_BIT_BACK_LEFT)); |
| |
| |
| /* HW stencil */ |
| if (mask & BUFFER_BIT_STENCIL) { |
| tri_mask |= BUFFER_BIT_STENCIL; |
| } |
| |
| /* HW depth */ |
| if (mask & BUFFER_BIT_DEPTH) { |
| tri_mask |= BUFFER_BIT_DEPTH; |
| } |
| |
| /* If we're doing a tri pass for depth/stencil, include a likely color |
| * buffer with it. |
| */ |
| |
| for (i = 0; i < BUFFER_COUNT; i++) { |
| GLuint bufBit = 1 << i; |
| if ((tri_mask) & bufBit) { |
| if (!fb->Attachment[i].Renderbuffer->ClassID) { |
| tri_mask &= ~bufBit; |
| swrast_mask |= bufBit; |
| } |
| } |
| } |
| |
| /* SW fallback clearing */ |
| swrast_mask = mask & ~tri_mask; |
| |
| if (tri_mask) { |
| radeonUserClear(ctx, tri_mask); |
| } |
| |
| if (swrast_mask) { |
| radeon_print(RADEON_FALLBACKS, RADEON_IMPORTANT, "%s: swrast clear, mask: %x\n", |
| __FUNCTION__, swrast_mask); |
| _swrast_Clear(ctx, swrast_mask); |
| } |
| |
| } |
| |
| |