2011-04-27 11:58:34 +00:00
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/*
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2013-08-18 14:16:15 +00:00
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* Copyright 2011-2013 Blender Foundation
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2011-04-27 11:58:34 +00:00
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*
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2013-08-18 14:16:15 +00:00
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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2011-04-27 11:58:34 +00:00
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*
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2013-08-18 14:16:15 +00:00
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* http://www.apache.org/licenses/LICENSE-2.0
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2011-04-27 11:58:34 +00:00
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*
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2013-08-18 14:16:15 +00:00
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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2014-12-25 01:50:24 +00:00
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* limitations under the License.
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2011-04-27 11:58:34 +00:00
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*/
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#include <stdlib.h>
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Cycles: Make all #include statements relative to cycles source directory
The idea is to make include statements more explicit and obvious where the
file is coming from, additionally reducing chance of wrong header being
picked up.
For example, it was not obvious whether bvh.h was refferring to builder
or traversal, whenter node.h is a generic graph node or a shader node
and cases like that.
Surely this might look obvious for the active developers, but after some
time of not touching the code it becomes less obvious where file is coming
from.
This was briefly mentioned in T50824 and seems @brecht is fine with such
explicitness, but need to agree with all active developers before committing
this.
Please note that this patch is lacking changes related on GPU/OpenCL
support. This will be solved if/when we all agree this is a good idea to move
forward.
Reviewers: brecht, lukasstockner97, maiself, nirved, dingto, juicyfruit, swerner
Reviewed By: lukasstockner97, maiself, nirved, dingto
Subscribers: brecht
Differential Revision: https://developer.blender.org/D2586
2017-03-28 18:39:14 +00:00
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#include "render/buffers.h"
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#include "device/device.h"
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#include "util/util_debug.h"
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#include "util/util_foreach.h"
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#include "util/util_hash.h"
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#include "util/util_image.h"
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#include "util/util_math.h"
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#include "util/util_opengl.h"
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#include "util/util_time.h"
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#include "util/util_types.h"
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2011-04-27 11:58:34 +00:00
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CCL_NAMESPACE_BEGIN
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Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
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/* Buffer Params */
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BufferParams::BufferParams()
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{
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width = 0;
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height = 0;
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full_x = 0;
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full_y = 0;
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full_width = 0;
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full_height = 0;
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Pass::add(PASS_COMBINED, passes);
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}
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void BufferParams::get_offset_stride(int& offset, int& stride)
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{
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offset = -(full_x + full_y*width);
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stride = width;
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}
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bool BufferParams::modified(const BufferParams& params)
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{
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return !(full_x == params.full_x
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&& full_y == params.full_y
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&& width == params.width
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&& height == params.height
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&& full_width == params.full_width
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&& full_height == params.full_height
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&& Pass::equals(passes, params.passes));
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}
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int BufferParams::get_passes_size()
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{
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int size = 0;
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2016-05-07 18:30:16 +00:00
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for(size_t i = 0; i < passes.size(); i++)
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size += passes[i].components;
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Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
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2012-01-27 13:58:32 +00:00
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return align_up(size, 4);
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Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
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}
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2012-09-04 13:29:07 +00:00
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/* Render Buffer Task */
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RenderTile::RenderTile()
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{
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x = 0;
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y = 0;
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w = 0;
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h = 0;
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2013-02-12 13:48:04 +00:00
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sample = 0;
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2012-09-04 13:29:07 +00:00
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start_sample = 0;
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num_samples = 0;
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resolution = 0;
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offset = 0;
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stride = 0;
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buffer = 0;
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rng_state = 0;
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buffers = NULL;
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}
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2011-04-27 11:58:34 +00:00
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/* Render Buffers */
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RenderBuffers::RenderBuffers(Device *device_)
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{
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2014-02-03 02:55:26 +00:00
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device = device_;
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2011-04-27 11:58:34 +00:00
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}
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RenderBuffers::~RenderBuffers()
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{
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device_free();
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}
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void RenderBuffers::device_free()
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{
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if(buffer.device_pointer) {
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device->mem_free(buffer);
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buffer.clear();
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}
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if(rng_state.device_pointer) {
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device->mem_free(rng_state);
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rng_state.clear();
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}
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}
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2011-12-20 12:25:37 +00:00
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void RenderBuffers::reset(Device *device, BufferParams& params_)
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2011-04-27 11:58:34 +00:00
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{
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2011-12-20 12:25:37 +00:00
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params = params_;
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2011-04-27 11:58:34 +00:00
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/* free existing buffers */
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device_free();
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/* allocate buffer */
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Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
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buffer.resize(params.width*params.height*params.get_passes_size());
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2016-12-14 01:45:09 +00:00
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device->mem_alloc("render_buffer", buffer, MEM_READ_WRITE);
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2011-04-27 11:58:34 +00:00
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device->mem_zero(buffer);
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/* allocate rng state */
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2011-12-20 12:25:37 +00:00
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rng_state.resize(params.width, params.height);
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2011-04-27 11:58:34 +00:00
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2016-12-14 01:45:09 +00:00
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device->mem_alloc("rng_state", rng_state, MEM_READ_WRITE);
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2011-04-27 11:58:34 +00:00
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}
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Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
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bool RenderBuffers::copy_from_device()
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2011-08-28 13:55:59 +00:00
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{
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if(!buffer.device_pointer)
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Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
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return false;
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2011-08-28 13:55:59 +00:00
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2012-01-26 19:07:01 +00:00
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device->mem_copy_from(buffer, 0, params.width, params.height, params.get_passes_size()*sizeof(float));
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2011-08-28 13:55:59 +00:00
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Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
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return true;
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}
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2012-09-04 13:29:07 +00:00
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bool RenderBuffers::get_pass_rect(PassType type, float exposure, int sample, int components, float *pixels)
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Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
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{
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int pass_offset = 0;
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2016-05-07 18:30:16 +00:00
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for(size_t j = 0; j < params.passes.size(); j++) {
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Pass& pass = params.passes[j];
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Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
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if(pass.type != type) {
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pass_offset += pass.components;
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continue;
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}
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float *in = (float*)buffer.data_pointer + pass_offset;
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int pass_stride = params.get_passes_size();
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float scale = (pass.filter)? 1.0f/(float)sample: 1.0f;
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float scale_exposure = (pass.exposure)? scale*exposure: scale;
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int size = params.width*params.height;
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if(components == 1) {
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assert(pass.components == components);
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/* scalar */
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2012-01-26 14:55:25 +00:00
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if(type == PASS_DEPTH) {
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for(int i = 0; i < size; i++, in += pass_stride, pixels++) {
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float f = *in;
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pixels[0] = (f == 0.0f)? 1e10f: f*scale_exposure;
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}
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}
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2013-10-18 23:44:25 +00:00
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else if(type == PASS_MIST) {
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for(int i = 0; i < size; i++, in += pass_stride, pixels++) {
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float f = *in;
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2015-04-27 19:13:03 +00:00
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pixels[0] = saturate(f*scale_exposure);
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2013-10-18 23:44:25 +00:00
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}
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}
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2014-10-04 13:00:26 +00:00
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#ifdef WITH_CYCLES_DEBUG
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2017-01-12 12:44:35 +00:00
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else if(type == PASS_BVH_TRAVERSED_NODES ||
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2017-01-12 12:32:13 +00:00
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type == PASS_BVH_TRAVERSED_INSTANCES ||
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2017-01-12 12:44:35 +00:00
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type == PASS_BVH_INTERSECTIONS ||
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2017-01-12 12:31:35 +00:00
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type == PASS_RAY_BOUNCES)
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{
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2015-06-11 08:42:38 +00:00
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for(int i = 0; i < size; i++, in += pass_stride, pixels++) {
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float f = *in;
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2016-05-13 09:21:00 +00:00
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pixels[0] = f*scale;
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2015-06-11 08:42:38 +00:00
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}
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}
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2014-10-04 13:00:26 +00:00
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#endif
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2012-01-26 14:55:25 +00:00
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else {
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for(int i = 0; i < size; i++, in += pass_stride, pixels++) {
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float f = *in;
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pixels[0] = f*scale_exposure;
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}
|
Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
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}
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}
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else if(components == 3) {
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assert(pass.components == 4);
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2012-09-28 13:41:34 +00:00
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/* RGBA */
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if(type == PASS_SHADOW) {
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for(int i = 0; i < size; i++, in += pass_stride, pixels += 3) {
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float4 f = make_float4(in[0], in[1], in[2], in[3]);
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float invw = (f.w > 0.0f)? 1.0f/f.w: 1.0f;
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pixels[0] = f.x*invw;
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pixels[1] = f.y*invw;
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pixels[2] = f.z*invw;
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}
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}
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else if(pass.divide_type != PASS_NONE) {
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2012-03-28 12:18:12 +00:00
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/* RGB lighting passes that need to divide out color */
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pass_offset = 0;
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2016-05-07 18:30:16 +00:00
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for(size_t k = 0; k < params.passes.size(); k++) {
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Pass& color_pass = params.passes[k];
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2012-03-28 12:18:12 +00:00
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if(color_pass.type == pass.divide_type)
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break;
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pass_offset += color_pass.components;
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}
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float *in_divide = (float*)buffer.data_pointer + pass_offset;
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for(int i = 0; i < size; i++, in += pass_stride, in_divide += pass_stride, pixels += 3) {
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float3 f = make_float3(in[0], in[1], in[2]);
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float3 f_divide = make_float3(in_divide[0], in_divide[1], in_divide[2]);
|
Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
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2013-07-08 23:31:45 +00:00
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f = safe_divide_even_color(f*exposure, f_divide);
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2012-03-28 12:18:12 +00:00
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pixels[0] = f.x;
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pixels[1] = f.y;
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pixels[2] = f.z;
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}
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}
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else {
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/* RGB/vector */
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for(int i = 0; i < size; i++, in += pass_stride, pixels += 3) {
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float3 f = make_float3(in[0], in[1], in[2]);
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pixels[0] = f.x*scale_exposure;
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pixels[1] = f.y*scale_exposure;
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pixels[2] = f.z*scale_exposure;
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}
|
Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
else if(components == 4) {
|
|
|
|
assert(pass.components == components);
|
|
|
|
|
|
|
|
/* RGBA */
|
2012-03-28 10:39:21 +00:00
|
|
|
if(type == PASS_SHADOW) {
|
|
|
|
for(int i = 0; i < size; i++, in += pass_stride, pixels += 4) {
|
|
|
|
float4 f = make_float4(in[0], in[1], in[2], in[3]);
|
|
|
|
float invw = (f.w > 0.0f)? 1.0f/f.w: 1.0f;
|
|
|
|
|
|
|
|
pixels[0] = f.x*invw;
|
|
|
|
pixels[1] = f.y*invw;
|
|
|
|
pixels[2] = f.z*invw;
|
|
|
|
pixels[3] = 1.0f;
|
|
|
|
}
|
|
|
|
}
|
2012-04-30 12:49:26 +00:00
|
|
|
else if(type == PASS_MOTION) {
|
|
|
|
/* need to normalize by number of samples accumulated for motion */
|
|
|
|
pass_offset = 0;
|
2016-05-07 18:30:16 +00:00
|
|
|
for(size_t k = 0; k < params.passes.size(); k++) {
|
|
|
|
Pass& color_pass = params.passes[k];
|
2012-04-30 12:49:26 +00:00
|
|
|
if(color_pass.type == PASS_MOTION_WEIGHT)
|
|
|
|
break;
|
|
|
|
pass_offset += color_pass.components;
|
|
|
|
}
|
|
|
|
|
|
|
|
float *in_weight = (float*)buffer.data_pointer + pass_offset;
|
|
|
|
|
|
|
|
for(int i = 0; i < size; i++, in += pass_stride, in_weight += pass_stride, pixels += 4) {
|
|
|
|
float4 f = make_float4(in[0], in[1], in[2], in[3]);
|
|
|
|
float w = in_weight[0];
|
|
|
|
float invw = (w > 0.0f)? 1.0f/w: 0.0f;
|
|
|
|
|
|
|
|
pixels[0] = f.x*invw;
|
|
|
|
pixels[1] = f.y*invw;
|
|
|
|
pixels[2] = f.z*invw;
|
|
|
|
pixels[3] = f.w*invw;
|
|
|
|
}
|
|
|
|
}
|
2012-03-28 10:39:21 +00:00
|
|
|
else {
|
|
|
|
for(int i = 0; i < size; i++, in += pass_stride, pixels += 4) {
|
|
|
|
float4 f = make_float4(in[0], in[1], in[2], in[3]);
|
2011-08-28 13:55:59 +00:00
|
|
|
|
2012-03-28 10:39:21 +00:00
|
|
|
pixels[0] = f.x*scale_exposure;
|
|
|
|
pixels[1] = f.y*scale_exposure;
|
|
|
|
pixels[2] = f.z*scale_exposure;
|
2011-08-28 13:55:59 +00:00
|
|
|
|
2012-03-28 10:39:21 +00:00
|
|
|
/* clamp since alpha might be > 1.0 due to russian roulette */
|
2015-04-27 19:13:03 +00:00
|
|
|
pixels[3] = saturate(f.w*scale);
|
2012-03-28 10:39:21 +00:00
|
|
|
}
|
Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
|
|
|
}
|
|
|
|
}
|
2011-08-28 13:55:59 +00:00
|
|
|
|
Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
|
|
|
return true;
|
2011-08-28 13:55:59 +00:00
|
|
|
}
|
|
|
|
|
Cycles: Render Passes
Currently supported passes:
* Combined, Z, Normal, Object Index, Material Index, Emission, Environment,
Diffuse/Glossy/Transmission x Direct/Indirect/Color
Not supported yet:
* UV, Vector, Mist
Only enabled for CPU devices at the moment, will do GPU tweaks tommorrow,
also for environment importance sampling.
Documentation:
http://wiki.blender.org/index.php/Doc:2.6/Manual/Render/Cycles/Passes
2012-01-25 17:23:52 +00:00
|
|
|
return false;
|
2011-08-28 13:55:59 +00:00
|
|
|
}
|
|
|
|
|
2011-04-27 11:58:34 +00:00
|
|
|
/* Display Buffer */
|
|
|
|
|
2013-08-30 23:49:38 +00:00
|
|
|
DisplayBuffer::DisplayBuffer(Device *device_, bool linear)
|
2011-04-27 11:58:34 +00:00
|
|
|
{
|
|
|
|
device = device_;
|
|
|
|
draw_width = 0;
|
|
|
|
draw_height = 0;
|
2011-08-28 13:55:59 +00:00
|
|
|
transparent = true; /* todo: determine from background */
|
2013-08-30 23:49:38 +00:00
|
|
|
half_float = linear;
|
2011-04-27 11:58:34 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
DisplayBuffer::~DisplayBuffer()
|
|
|
|
{
|
|
|
|
device_free();
|
|
|
|
}
|
|
|
|
|
|
|
|
void DisplayBuffer::device_free()
|
|
|
|
{
|
2013-08-30 23:49:38 +00:00
|
|
|
if(rgba_byte.device_pointer) {
|
|
|
|
device->pixels_free(rgba_byte);
|
|
|
|
rgba_byte.clear();
|
|
|
|
}
|
|
|
|
if(rgba_half.device_pointer) {
|
|
|
|
device->pixels_free(rgba_half);
|
|
|
|
rgba_half.clear();
|
2011-04-27 11:58:34 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
|
2011-12-20 12:25:37 +00:00
|
|
|
void DisplayBuffer::reset(Device *device, BufferParams& params_)
|
2011-04-27 11:58:34 +00:00
|
|
|
{
|
|
|
|
draw_width = 0;
|
|
|
|
draw_height = 0;
|
|
|
|
|
2011-12-20 12:25:37 +00:00
|
|
|
params = params_;
|
2011-04-27 11:58:34 +00:00
|
|
|
|
|
|
|
/* free existing buffers */
|
|
|
|
device_free();
|
|
|
|
|
|
|
|
/* allocate display pixels */
|
2013-08-30 23:49:38 +00:00
|
|
|
if(half_float) {
|
|
|
|
rgba_half.resize(params.width, params.height);
|
|
|
|
device->pixels_alloc(rgba_half);
|
|
|
|
}
|
|
|
|
else {
|
|
|
|
rgba_byte.resize(params.width, params.height);
|
|
|
|
device->pixels_alloc(rgba_byte);
|
|
|
|
}
|
2011-04-27 11:58:34 +00:00
|
|
|
}
|
|
|
|
|
2011-12-20 12:25:37 +00:00
|
|
|
void DisplayBuffer::draw_set(int width, int height)
|
2011-04-27 11:58:34 +00:00
|
|
|
{
|
2011-12-20 12:25:37 +00:00
|
|
|
assert(width <= params.width && height <= params.height);
|
2011-04-27 11:58:34 +00:00
|
|
|
|
2011-12-20 12:25:37 +00:00
|
|
|
draw_width = width;
|
|
|
|
draw_height = height;
|
2011-04-27 11:58:34 +00:00
|
|
|
}
|
|
|
|
|
2014-03-26 08:57:30 +00:00
|
|
|
void DisplayBuffer::draw(Device *device, const DeviceDrawParams& draw_params)
|
2011-04-27 11:58:34 +00:00
|
|
|
{
|
2012-06-06 23:27:43 +00:00
|
|
|
if(draw_width != 0 && draw_height != 0) {
|
2013-08-30 23:49:38 +00:00
|
|
|
device_memory& rgba = rgba_data();
|
2012-06-06 23:27:43 +00:00
|
|
|
|
2015-05-11 14:40:38 +00:00
|
|
|
device->draw_pixels(rgba, 0, draw_width, draw_height, params.full_x, params.full_y, params.width, params.height, transparent, draw_params);
|
2012-06-06 23:27:43 +00:00
|
|
|
}
|
2011-04-27 11:58:34 +00:00
|
|
|
}
|
|
|
|
|
|
|
|
bool DisplayBuffer::draw_ready()
|
|
|
|
{
|
|
|
|
return (draw_width != 0 && draw_height != 0);
|
|
|
|
}
|
|
|
|
|
|
|
|
void DisplayBuffer::write(Device *device, const string& filename)
|
|
|
|
{
|
|
|
|
int w = draw_width;
|
|
|
|
int h = draw_height;
|
|
|
|
|
|
|
|
if(w == 0 || h == 0)
|
|
|
|
return;
|
2013-08-30 23:49:38 +00:00
|
|
|
|
|
|
|
if(half_float)
|
|
|
|
return;
|
2011-04-27 11:58:34 +00:00
|
|
|
|
|
|
|
/* read buffer from device */
|
2013-08-30 23:49:38 +00:00
|
|
|
device_memory& rgba = rgba_data();
|
2011-04-27 11:58:34 +00:00
|
|
|
device->pixels_copy_from(rgba, 0, w, h);
|
|
|
|
|
|
|
|
/* write image */
|
|
|
|
ImageOutput *out = ImageOutput::create(filename);
|
|
|
|
ImageSpec spec(w, h, 4, TypeDesc::UINT8);
|
|
|
|
int scanlinesize = w*4*sizeof(uchar);
|
|
|
|
|
|
|
|
out->open(filename, spec);
|
|
|
|
|
|
|
|
/* conversion for different top/bottom convention */
|
|
|
|
out->write_image(TypeDesc::UINT8,
|
|
|
|
(uchar*)rgba.data_pointer + (h-1)*scanlinesize,
|
|
|
|
AutoStride,
|
|
|
|
-scanlinesize,
|
|
|
|
AutoStride);
|
|
|
|
|
|
|
|
out->close();
|
|
|
|
|
|
|
|
delete out;
|
|
|
|
}
|
|
|
|
|
2013-08-30 23:49:38 +00:00
|
|
|
device_memory& DisplayBuffer::rgba_data()
|
|
|
|
{
|
|
|
|
if(half_float)
|
|
|
|
return rgba_half;
|
|
|
|
else
|
|
|
|
return rgba_byte;
|
|
|
|
}
|
|
|
|
|
2011-04-27 11:58:34 +00:00
|
|
|
CCL_NAMESPACE_END
|
|
|
|
|