1 /****************************************************************************
2 * Copyright (C) 2015 Intel Corporation. All Rights Reserved.
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 (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
22 ***************************************************************************/
24 #include "swr_context.h"
25 #include "swr_query.h"
28 swr_clear(struct pipe_context
*pipe
,
30 const union pipe_color_union
*color
,
34 struct swr_context
*ctx
= swr_context(pipe
);
35 struct pipe_framebuffer_state
*fb
= &ctx
->framebuffer
;
40 if (!swr_check_render_cond(pipe
))
43 swr_update_derived(pipe
);
45 if (buffers
& PIPE_CLEAR_COLOR
&& fb
->nr_cbufs
) {
46 for (unsigned i
= 0; i
< fb
->nr_cbufs
; ++i
)
47 if (fb
->cbufs
[i
] && (buffers
& (PIPE_CLEAR_COLOR0
<< i
))) {
48 clearMask
|= (SWR_ATTACHMENT_COLOR0_BIT
<< i
);
49 layers
= std::max(layers
, fb
->cbufs
[i
]->u
.tex
.last_layer
-
50 fb
->cbufs
[i
]->u
.tex
.first_layer
+ 1u);
54 if (buffers
& PIPE_CLEAR_DEPTH
&& fb
->zsbuf
) {
55 clearMask
|= SWR_ATTACHMENT_DEPTH_BIT
;
56 layers
= std::max(layers
, fb
->zsbuf
->u
.tex
.last_layer
-
57 fb
->zsbuf
->u
.tex
.first_layer
+ 1u);
60 if (buffers
& PIPE_CLEAR_STENCIL
&& fb
->zsbuf
) {
61 clearMask
|= SWR_ATTACHMENT_STENCIL_BIT
;
62 layers
= std::max(layers
, fb
->zsbuf
->u
.tex
.last_layer
-
63 fb
->zsbuf
->u
.tex
.first_layer
+ 1u);
66 #if 0 // XXX HACK, override clear color alpha. On ubuntu, clears are
68 ((union pipe_color_union
*)color
)->f
[3] = 1.0; /* cast off your const'd-ness */
72 /* If enabled, clear to scissor; otherwise clear full surface */
73 if (ctx
->rasterizer
&& ctx
->rasterizer
->scissor
) {
74 clear_rect
= ctx
->swr_scissors
[0];
76 clear_rect
= {0, 0, (int32_t)fb
->width
, (int32_t)fb
->height
};
79 for (unsigned i
= 0; i
< layers
; ++i
) {
80 swr_update_draw_context(ctx
);
81 ctx
->api
.pfnSwrClearRenderTarget(ctx
->swrContext
, clearMask
, i
,
82 color
->f
, depth
, stencil
,
85 // Mask out the attachments that are out of layers.
87 (fb
->zsbuf
->u
.tex
.last_layer
<= fb
->zsbuf
->u
.tex
.first_layer
+ i
))
88 clearMask
&= ~(SWR_ATTACHMENT_DEPTH_BIT
| SWR_ATTACHMENT_STENCIL_BIT
);
89 for (unsigned c
= 0; c
< fb
->nr_cbufs
; ++c
) {
90 const struct pipe_surface
*sf
= fb
->cbufs
[c
];
91 if (sf
&& (sf
->u
.tex
.last_layer
<= sf
->u
.tex
.first_layer
+ i
))
92 clearMask
&= ~(SWR_ATTACHMENT_COLOR0_BIT
<< c
);
98 #if 0 // XXX, these don't get called. how to get these called? Do we need
101 swr_clear_render_target(struct pipe_context
*pipe
, struct pipe_surface
*ps
,
102 const union pipe_color_union
*color
,
103 unsigned x
, unsigned y
, unsigned w
, unsigned h
,
104 bool render_condition_enabled
)
106 struct swr_context
*ctx
= swr_context(pipe
);
107 fprintf(stderr
, "SWR swr_clear_render_target!\n");
109 ctx
->dirty
|= SWR_NEW_FRAMEBUFFER
| SWR_NEW_SCISSOR
;
113 swr_clear_depth_stencil(struct pipe_context
*pipe
, struct pipe_surface
*ps
,
114 unsigned buffers
, double depth
, unsigned stencil
,
115 unsigned x
, unsigned y
, unsigned w
, unsigned h
,
116 bool render_condition_enabled
)
118 struct swr_context
*ctx
= swr_context(pipe
);
119 fprintf(stderr
, "SWR swr_clear_depth_stencil!\n");
121 ctx
->dirty
|= SWR_NEW_FRAMEBUFFER
| SWR_NEW_SCISSOR
;
125 swr_clear_buffer(struct pipe_context
*pipe
,
126 struct pipe_resource
*res
,
127 unsigned offset
, unsigned size
,
128 const void *data
, int data_size
)
130 fprintf(stderr
, "SWR swr_clear_buffer!\n");
131 struct swr_context
*ctx
= swr_context(pipe
);
132 struct swr_resource
*buf
= swr_resource(res
);
133 union pipe_color_union color
;
134 enum pipe_format dst_fmt
;
135 unsigned width
, height
, elements
;
137 assert(res
->target
== PIPE_BUFFER
);
139 assert(size
% data_size
== 0);
141 SWR_SURFACE_STATE
&swr_buffer
= buf
->swr
;
143 ctx
->dirty
|= SWR_NEW_FRAMEBUFFER
| SWR_NEW_SCISSOR
;
149 swr_clear_init(struct pipe_context
*pipe
)
151 pipe
->clear
= swr_clear
;
152 #if 0 // XXX, these don't get called. how to get these called? Do we need
154 pipe
->clear_render_target
= swr_clear_render_target
;
155 pipe
->clear_depth_stencil
= swr_clear_depth_stencil
;
156 pipe
->clear_buffer
= swr_clear_buffer
;