1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
#define VL_INTERNAL
#include "vl_context.h"
#include <assert.h>
#include <pipe/p_context.h>
#include <pipe/p_state.h>
#include <util/u_memory.h>
#include "vl_render.h"
#include "vl_r16snorm_mc_buf.h"
#include "vl_csc.h"
#include "vl_basic_csc.h"
static int vlInitCommon(struct vlContext *context)
{
struct pipe_context *pipe;
struct pipe_rasterizer_state rast;
struct pipe_blend_state blend;
struct pipe_depth_stencil_alpha_state dsa;
unsigned int i;
assert(context);
pipe = context->pipe;
rast.flatshade = 1;
rast.flatshade_first = 0;
rast.light_twoside = 0;
rast.front_winding = PIPE_WINDING_CCW;
rast.cull_mode = PIPE_WINDING_CW;
rast.fill_cw = PIPE_POLYGON_MODE_FILL;
rast.fill_ccw = PIPE_POLYGON_MODE_FILL;
rast.offset_cw = 0;
rast.offset_ccw = 0;
rast.scissor = 0;
rast.poly_smooth = 0;
rast.poly_stipple_enable = 0;
rast.point_sprite = 0;
rast.point_size_per_vertex = 0;
rast.multisample = 0;
rast.line_smooth = 0;
rast.line_stipple_enable = 0;
rast.line_stipple_factor = 0;
rast.line_stipple_pattern = 0;
rast.line_last_pixel = 0;
rast.bypass_vs_clip_and_viewport = 0;
rast.line_width = 1;
rast.point_smooth = 0;
rast.point_size = 1;
rast.offset_units = 1;
rast.offset_scale = 1;
/*rast.sprite_coord_mode[i] = ;*/
context->raster = pipe->create_rasterizer_state(pipe, &rast);
pipe->bind_rasterizer_state(pipe, context->raster);
blend.blend_enable = 0;
blend.rgb_func = PIPE_BLEND_ADD;
blend.rgb_src_factor = PIPE_BLENDFACTOR_ONE;
blend.rgb_dst_factor = PIPE_BLENDFACTOR_ONE;
blend.alpha_func = PIPE_BLEND_ADD;
blend.alpha_src_factor = PIPE_BLENDFACTOR_ONE;
blend.alpha_dst_factor = PIPE_BLENDFACTOR_ONE;
blend.logicop_enable = 0;
blend.logicop_func = PIPE_LOGICOP_CLEAR;
/* Needed to allow color writes to FB, even if blending disabled */
blend.colormask = PIPE_MASK_RGBA;
blend.dither = 0;
context->blend = pipe->create_blend_state(pipe, &blend);
pipe->bind_blend_state(pipe, context->blend);
dsa.depth.enabled = 0;
dsa.depth.writemask = 0;
dsa.depth.func = PIPE_FUNC_ALWAYS;
dsa.depth.occlusion_count = 0;
for (i = 0; i < 2; ++i)
{
dsa.stencil[i].enabled = 0;
dsa.stencil[i].func = PIPE_FUNC_ALWAYS;
dsa.stencil[i].fail_op = PIPE_STENCIL_OP_KEEP;
dsa.stencil[i].zpass_op = PIPE_STENCIL_OP_KEEP;
dsa.stencil[i].zfail_op = PIPE_STENCIL_OP_KEEP;
dsa.stencil[i].ref_value = 0;
dsa.stencil[i].valuemask = 0;
dsa.stencil[i].writemask = 0;
}
dsa.alpha.enabled = 0;
dsa.alpha.func = PIPE_FUNC_ALWAYS;
dsa.alpha.ref_value = 0;
context->dsa = pipe->create_depth_stencil_alpha_state(pipe, &dsa);
pipe->bind_depth_stencil_alpha_state(pipe, context->dsa);
return 0;
}
int vlCreateContext
(
struct vlScreen *screen,
struct pipe_context *pipe,
unsigned int picture_width,
unsigned int picture_height,
enum vlFormat picture_format,
enum vlProfile profile,
enum vlEntryPoint entry_point,
struct vlContext **context
)
{
struct vlContext *ctx;
assert(screen);
assert(context);
assert(pipe);
ctx = CALLOC_STRUCT(vlContext);
if (!ctx)
return 1;
ctx->screen = screen;
ctx->pipe = pipe;
ctx->picture_width = picture_width;
ctx->picture_height = picture_height;
ctx->picture_format = picture_format;
ctx->profile = profile;
ctx->entry_point = entry_point;
vlInitCommon(ctx);
vlCreateR16SNormBufferedMC(pipe, picture_width, picture_height, picture_format, &ctx->render);
vlCreateBasicCSC(pipe, &ctx->csc);
*context = ctx;
return 0;
}
int vlDestroyContext
(
struct vlContext *context
)
{
assert(context);
/* XXX: Must unbind shaders before we can delete them for some reason */
context->pipe->bind_vs_state(context->pipe, NULL);
context->pipe->bind_fs_state(context->pipe, NULL);
context->render->vlDestroy(context->render);
context->csc->vlDestroy(context->csc);
context->pipe->delete_blend_state(context->pipe, context->blend);
context->pipe->delete_rasterizer_state(context->pipe, context->raster);
context->pipe->delete_depth_stencil_alpha_state(context->pipe, context->dsa);
FREE(context);
return 0;
}
struct vlScreen* vlContextGetScreen
(
struct vlContext *context
)
{
assert(context);
return context->screen;
}
struct pipe_context* vlGetPipeContext
(
struct vlContext *context
)
{
assert(context);
return context->pipe;
}
unsigned int vlGetPictureWidth
(
struct vlContext *context
)
{
assert(context);
return context->picture_width;
}
unsigned int vlGetPictureHeight
(
struct vlContext *context
)
{
assert(context);
return context->picture_height;
}
enum vlFormat vlGetPictureFormat
(
struct vlContext *context
)
{
assert(context);
return context->picture_format;
}
|