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
206
|
/*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
* Copyright 2011, Blender Foundation.
*/
#include "COM_TextureOperation.h"
#include "COM_WorkScheduler.h"
#include "BKE_image.h"
#include "BKE_node.h"
#include "NOD_texture.h"
namespace blender::compositor {
TextureBaseOperation::TextureBaseOperation()
{
this->add_input_socket(DataType::Vector); // offset
this->add_input_socket(DataType::Vector); // size
texture_ = nullptr;
input_size_ = nullptr;
input_offset_ = nullptr;
rd_ = nullptr;
pool_ = nullptr;
scene_color_manage_ = false;
flags_.complex = true;
}
TextureOperation::TextureOperation() : TextureBaseOperation()
{
this->add_output_socket(DataType::Color);
}
TextureAlphaOperation::TextureAlphaOperation() : TextureBaseOperation()
{
this->add_output_socket(DataType::Value);
}
void TextureBaseOperation::init_execution()
{
input_offset_ = get_input_socket_reader(0);
input_size_ = get_input_socket_reader(1);
pool_ = BKE_image_pool_new();
if (texture_ != nullptr && texture_->nodetree != nullptr && texture_->use_nodes) {
ntreeTexBeginExecTree(texture_->nodetree);
}
NodeOperation::init_execution();
}
void TextureBaseOperation::deinit_execution()
{
input_size_ = nullptr;
input_offset_ = nullptr;
BKE_image_pool_free(pool_);
pool_ = nullptr;
if (texture_ != nullptr && texture_->use_nodes && texture_->nodetree != nullptr &&
texture_->nodetree->execdata != nullptr) {
ntreeTexEndExecTree(texture_->nodetree->execdata);
}
NodeOperation::deinit_execution();
}
void TextureBaseOperation::determine_canvas(const rcti &preferred_area, rcti &r_area)
{
r_area = preferred_area;
if (BLI_rcti_is_empty(&preferred_area)) {
int width = rd_->xsch * rd_->size / 100;
int height = rd_->ysch * rd_->size / 100;
r_area.xmax = preferred_area.xmin + width;
r_area.ymax = preferred_area.ymin + height;
}
if (execution_model_ == eExecutionModel::FullFrame) {
/* Determine inputs. */
rcti temp = COM_AREA_NONE;
NodeOperation::determine_canvas(r_area, temp);
}
}
void TextureAlphaOperation::execute_pixel_sampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
float color[4];
TextureBaseOperation::execute_pixel_sampled(color, x, y, sampler);
output[0] = color[3];
}
void TextureBaseOperation::execute_pixel_sampled(float output[4],
float x,
float y,
PixelSampler sampler)
{
TexResult texres = {0.0f};
float texture_size[4];
float texture_offset[4];
float vec[3];
int retval;
const float cx = this->get_width() / 2;
const float cy = this->get_height() / 2;
float u = (x - cx) / this->get_width() * 2;
float v = (y - cy) / this->get_height() * 2;
/* When no interpolation/filtering happens in multitex() force nearest interpolation.
* We do it here because (a) we can't easily say multitex() that we want nearest
* interpolation and (b) in such configuration multitex() simply floor's the value
* which often produces artifacts.
*/
if (texture_ != nullptr && (texture_->imaflag & TEX_INTERPOL) == 0) {
u += 0.5f / cx;
v += 0.5f / cy;
}
input_size_->read_sampled(texture_size, x, y, sampler);
input_offset_->read_sampled(texture_offset, x, y, sampler);
vec[0] = texture_size[0] * (u + texture_offset[0]);
vec[1] = texture_size[1] * (v + texture_offset[1]);
vec[2] = texture_size[2] * texture_offset[2];
const int thread_id = WorkScheduler::current_thread_id();
retval = multitex_ext(
texture_, vec, nullptr, nullptr, 0, &texres, thread_id, pool_, scene_color_manage_, false);
output[3] = texres.talpha ? texres.trgba[3] : texres.tin;
if (retval & TEX_RGB) {
copy_v3_v3(output, texres.trgba);
}
else {
output[0] = output[1] = output[2] = output[3];
}
}
void TextureBaseOperation::update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs)
{
const int op_width = this->get_width();
const int op_height = this->get_height();
const float center_x = op_width / 2;
const float center_y = op_height / 2;
TexResult tex_result = {0};
float vec[3];
const int thread_id = WorkScheduler::current_thread_id();
for (BuffersIterator<float> it = output->iterate_with(inputs, area); !it.is_end(); ++it) {
const float *tex_offset = it.in(0);
const float *tex_size = it.in(1);
float u = (it.x - center_x) / op_width * 2;
float v = (it.y - center_y) / op_height * 2;
/* When no interpolation/filtering happens in multitex() force nearest interpolation.
* We do it here because (a) we can't easily say multitex() that we want nearest
* interpolation and (b) in such configuration multitex() simply floor's the value
* which often produces artifacts.
*/
if (texture_ != nullptr && (texture_->imaflag & TEX_INTERPOL) == 0) {
u += 0.5f / center_x;
v += 0.5f / center_y;
}
vec[0] = tex_size[0] * (u + tex_offset[0]);
vec[1] = tex_size[1] * (v + tex_offset[1]);
vec[2] = tex_size[2] * tex_offset[2];
const int retval = multitex_ext(texture_,
vec,
nullptr,
nullptr,
0,
&tex_result,
thread_id,
pool_,
scene_color_manage_,
false);
it.out[3] = tex_result.talpha ? tex_result.trgba[3] : tex_result.tin;
if (retval & TEX_RGB) {
copy_v3_v3(it.out, tex_result.trgba);
}
else {
it.out[0] = it.out[1] = it.out[2] = it.out[3];
}
}
}
void TextureAlphaOperation::update_memory_buffer_partial(MemoryBuffer *output,
const rcti &area,
Span<MemoryBuffer *> inputs)
{
MemoryBuffer texture(DataType::Color, area);
TextureBaseOperation::update_memory_buffer_partial(&texture, area, inputs);
output->copy_from(&texture, area, 3, COM_DATA_TYPE_VALUE_CHANNELS, 0);
}
} // namespace blender::compositor
|
