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/*
* 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 "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);
radeonContextPtr radeon = &context->radeon;
__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;
}
radeon_prepare_render(radeon);
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);
}
}
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