1 /**************************************************************************
3 * Copyright 2010 Jakob Bornecrantz
4 * Copyright 2011 Lauri Kasanen
7 * Permission is hereby granted, free of charge, to any person obtaining a
8 * copy of this software and associated documentation files (the
9 * "Software"), to deal in the Software without restriction, including
10 * without limitation the rights to use, copy, modify, merge, publish,
11 * distribute, sub license, and/or sell copies of the Software, and to
12 * permit persons to whom the Software is furnished to do so, subject to
13 * the following conditions:
15 * The above copyright notice and this permission notice (including the
16 * next paragraph) shall be included in all copies or substantial portions
19 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
20 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
21 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
22 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR
23 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
24 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
25 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 **************************************************************************/
29 #include "postprocess/postprocess.h"
30 #include "postprocess/pp_private.h"
32 #include "cso_cache/cso_context.h"
33 #include "pipe/p_screen.h"
34 #include "pipe/p_context.h"
35 #include "pipe/p_state.h"
36 #include "pipe/p_shader_tokens.h"
37 #include "util/u_inlines.h"
38 #include "util/u_simple_shaders.h"
39 #include "util/u_memory.h"
41 /** Initialize the internal details */
43 pp_init_prog(struct pp_queue_t
*ppq
, struct pipe_context
*pipe
,
44 struct cso_context
*cso
)
48 pp_debug("Initializing program\n");
52 p
= CALLOC(1, sizeof(struct pp_program
));
56 p
->screen
= pipe
->screen
;
61 static const float verts
[4][2][4] = {
63 {1.0f
, 1.0f
, 0.0f
, 1.0f
},
64 {1.0f
, 1.0f
, 0.0f
, 1.0f
}
67 {-1.0f
, 1.0f
, 0.0f
, 1.0f
},
68 {0.0f
, 1.0f
, 0.0f
, 1.0f
}
71 {-1.0f
, -1.0f
, 0.0f
, 1.0f
},
72 {0.0f
, 0.0f
, 0.0f
, 1.0f
}
75 {1.0f
, -1.0f
, 0.0f
, 1.0f
},
76 {1.0f
, 0.0f
, 0.0f
, 1.0f
}
80 p
->vbuf
= pipe_buffer_create(pipe
->screen
, PIPE_BIND_VERTEX_BUFFER
,
81 PIPE_USAGE_DEFAULT
, sizeof(verts
));
82 pipe_buffer_write(p
->pipe
, p
->vbuf
, 0, sizeof(verts
), verts
);
85 p
->blend
.rt
[0].colormask
= PIPE_MASK_RGBA
;
86 p
->blend
.rt
[0].rgb_src_factor
= p
->blend
.rt
[0].alpha_src_factor
=
87 PIPE_BLENDFACTOR_SRC_ALPHA
;
88 p
->blend
.rt
[0].rgb_dst_factor
= p
->blend
.rt
[0].alpha_dst_factor
=
89 PIPE_BLENDFACTOR_INV_SRC_ALPHA
;
91 p
->rasterizer
.cull_face
= PIPE_FACE_NONE
;
92 p
->rasterizer
.half_pixel_center
= 1;
93 p
->rasterizer
.bottom_edge_rule
= 1;
94 p
->rasterizer
.depth_clip
= 1;
96 p
->sampler
.wrap_s
= p
->sampler
.wrap_t
= p
->sampler
.wrap_r
=
97 PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
99 p
->sampler
.min_mip_filter
= PIPE_TEX_MIPFILTER_NONE
;
100 p
->sampler
.min_img_filter
= p
->sampler
.mag_img_filter
=
101 PIPE_TEX_FILTER_LINEAR
;
102 p
->sampler
.normalized_coords
= 1;
104 p
->sampler_point
.wrap_s
= p
->sampler_point
.wrap_t
=
105 p
->sampler_point
.wrap_r
= PIPE_TEX_WRAP_CLAMP_TO_EDGE
;
106 p
->sampler_point
.min_mip_filter
= PIPE_TEX_MIPFILTER_NONE
;
107 p
->sampler_point
.min_img_filter
= p
->sampler_point
.mag_img_filter
=
108 PIPE_TEX_FILTER_NEAREST
;
109 p
->sampler_point
.normalized_coords
= 1;
111 p
->velem
[0].src_offset
= 0;
112 p
->velem
[0].instance_divisor
= 0;
113 p
->velem
[0].vertex_buffer_index
= 0;
114 p
->velem
[0].src_format
= PIPE_FORMAT_R32G32B32A32_FLOAT
;
115 p
->velem
[1].src_offset
= 1 * 4 * sizeof(float);
116 p
->velem
[1].instance_divisor
= 0;
117 p
->velem
[1].vertex_buffer_index
= 0;
118 p
->velem
[1].src_format
= PIPE_FORMAT_R32G32B32A32_FLOAT
;
120 if (!p
->screen
->is_format_supported(p
->screen
,
121 PIPE_FORMAT_R32G32B32A32_FLOAT
,
123 PIPE_BIND_VERTEX_BUFFER
))
124 pp_debug("Vertex buf format fail\n");
128 const uint semantic_names
[] = { TGSI_SEMANTIC_POSITION
,
129 TGSI_SEMANTIC_GENERIC
131 const uint semantic_indexes
[] = { 0, 0 };
132 p
->passvs
= util_make_vertex_passthrough_shader(p
->pipe
, 2,
134 semantic_indexes
, FALSE
);
137 p
->framebuffer
.nr_cbufs
= 1;
139 p
->surf
.format
= PIPE_FORMAT_B8G8R8A8_UNORM
;