2 * Copyright (C) 2008-2009 Advanced Micro Devices, Inc.
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included
12 * in all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
15 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18 * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 * Richard Li <RichardZ.Li@amd.com>, <richardradeon@gmail.com>
25 * CooperYuan <cooper.yuan@amd.com>, <cooperyuan@gmail.com>
28 #include "main/glheader.h"
29 #include "main/context.h"
30 #include "main/macros.h"
31 #include "main/imports.h"
32 #include "main/mtypes.h"
33 #include "main/enums.h"
34 #include "swrast/swrast.h"
36 #include "radeon_lock.h"
37 #include "r600_context.h"
39 #include "r700_shaderinst.h"
40 #include "r700_clear.h"
42 static GLboolean
r700ClearFast(context_t
*context
, GLbitfield mask
)
44 /* TODO, fast clear need implementation */
48 void r700Clear(struct gl_context
* ctx
, GLbitfield mask
)
50 context_t
*context
= R700_CONTEXT(ctx
);
51 radeonContextPtr radeon
= &context
->radeon
;
52 __DRIdrawable
*dPriv
= radeon_get_drawable(&context
->radeon
);
53 const GLuint colorMask
= *((GLuint
*) & ctx
->Color
.ColorMask
[0]);
54 GLbitfield swrast_mask
= 0, tri_mask
= 0;
56 struct gl_framebuffer
*fb
= ctx
->DrawBuffer
;
58 radeon_print(RADEON_RENDER
, RADEON_VERBOSE
, "%s %x\n", __func__
, mask
);
60 if (mask
& (BUFFER_BIT_FRONT_LEFT
| BUFFER_BIT_FRONT_RIGHT
)) {
61 context
->radeon
.front_buffer_dirty
= GL_TRUE
;
64 radeon_prepare_render(radeon
);
66 if( GL_TRUE
== r700ClearFast(context
, mask
) )
70 if (!context
->radeon
.radeonScreen
->driScreen
->dri2
.enabled
) {
71 LOCK_HARDWARE(&context
->radeon
);
72 UNLOCK_HARDWARE(&context
->radeon
);
73 if (dPriv
->numClipRects
== 0)
77 R600_NEWPRIM(context
);
80 tri_mask
|= (mask
& BUFFER_BITS_COLOR
);
82 tri_mask
|= (mask
& (BUFFER_BIT_FRONT_LEFT
| BUFFER_BIT_BACK_LEFT
));
86 if (mask
& BUFFER_BIT_STENCIL
) {
87 tri_mask
|= BUFFER_BIT_STENCIL
;
91 if (mask
& BUFFER_BIT_DEPTH
) {
92 tri_mask
|= BUFFER_BIT_DEPTH
;
95 /* If we're doing a tri pass for depth/stencil, include a likely color
99 for (i
= 0; i
< BUFFER_COUNT
; i
++) {
100 GLuint bufBit
= 1 << i
;
101 if ((tri_mask
) & bufBit
) {
102 if (!fb
->Attachment
[i
].Renderbuffer
->ClassID
) {
104 swrast_mask
|= bufBit
;
109 /* SW fallback clearing */
110 swrast_mask
= mask
& ~tri_mask
;
113 radeonUserClear(ctx
, tri_mask
);
117 radeon_print(RADEON_FALLBACKS
, RADEON_IMPORTANT
, "%s: swrast clear, mask: %x\n",
118 __FUNCTION__
, swrast_mask
);
119 _swrast_Clear(ctx
, swrast_mask
);