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
|
/*
* Copyright 2011-2013 Blender Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef __BUFFERS_H__
#define __BUFFERS_H__
#include "device/device_memory.h"
#include "render/film.h"
#include "kernel/kernel_types.h"
#include "util/util_half.h"
#include "util/util_string.h"
#include "util/util_thread.h"
#include "util/util_types.h"
CCL_NAMESPACE_BEGIN
class Device;
struct DeviceDrawParams;
struct float4;
/* Buffer Parameters
* Size of render buffer and how it fits in the full image (border render). */
class BufferParams {
public:
/* width/height of the physical buffer */
int width;
int height;
/* offset into and width/height of the full buffer */
int full_x;
int full_y;
int full_width;
int full_height;
/* passes */
array<Pass> passes;
bool denoising_data_pass;
/* If only some light path types should be denoised, an additional pass is needed. */
bool denoising_clean_pass;
/* functions */
BufferParams();
void get_offset_stride(int& offset, int& stride);
bool modified(const BufferParams& params);
void add_pass(PassType type);
int get_passes_size();
int get_denoising_offset();
};
/* Render Buffers */
class RenderBuffers {
public:
/* buffer parameters */
BufferParams params;
/* float buffer */
device_vector<float> buffer;
Device *device;
explicit RenderBuffers(Device *device);
~RenderBuffers();
void reset(Device *device, BufferParams& params);
bool copy_from_device(Device *from_device = NULL);
bool get_pass_rect(PassType type, float exposure, int sample, int components, float *pixels);
bool get_denoising_pass_rect(int offset, float exposure, int sample, int components, float *pixels);
protected:
void device_free();
};
/* Display Buffer
*
* The buffer used for drawing during render, filled by converting the render
* buffers to byte of half float storage */
class DisplayBuffer {
public:
/* buffer parameters */
BufferParams params;
/* dimensions for how much of the buffer is actually ready for display.
* with progressive render we can be using only a subset of the buffer.
* if these are zero, it means nothing can be drawn yet */
int draw_width, draw_height;
/* draw alpha channel? */
bool transparent;
/* use half float? */
bool half_float;
/* byte buffer for converted result */
device_vector<uchar4> rgba_byte;
device_vector<half4> rgba_half;
DisplayBuffer(Device *device, bool linear = false);
~DisplayBuffer();
void reset(Device *device, BufferParams& params);
void write(Device *device, const string& filename);
void draw_set(int width, int height);
void draw(Device *device, const DeviceDrawParams& draw_params);
bool draw_ready();
device_memory& rgba_data();
protected:
void device_free();
Device *device;
};
/* Render Tile
* Rendering task on a buffer */
class RenderTile {
public:
typedef enum { PATH_TRACE, DENOISE } Task;
Task task;
int x, y, w, h;
int start_sample;
int num_samples;
int sample;
int resolution;
int offset;
int stride;
int tile_index;
device_ptr buffer;
RenderBuffers *buffers;
RenderTile();
};
CCL_NAMESPACE_END
#endif /* __BUFFERS_H__ */
|