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Diffstat (limited to 'intern/cycles/render/buffers.h')
-rw-r--r-- | intern/cycles/render/buffers.h | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/intern/cycles/render/buffers.h b/intern/cycles/render/buffers.h new file mode 100644 index 00000000000..f31ddd1e9bd --- /dev/null +++ b/intern/cycles/render/buffers.h @@ -0,0 +1,94 @@ +/* + * Copyright 2011, Blender Foundation. + * + * 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. + */ + +#ifndef __BUFFERS_H__ +#define __BUFFERS_H__ + +#include "device_memory.h" + +#include "util_string.h" +#include "util_thread.h" +#include "util_types.h" + +CCL_NAMESPACE_BEGIN + +class Device; +class float4; + +/* Render Buffers */ + +class RenderBuffers { +public: + /* buffer dimensions */ + int width, height; + /* float buffer */ + device_vector<float4> buffer; + /* random number generator state */ + device_vector<uint> rng_state; + /* mutex, must be locked manually by callers */ + thread_mutex mutex; + + RenderBuffers(Device *device); + ~RenderBuffers(); + + void reset(Device *device, int width, int height); + +protected: + void device_free(); + + Device *device; +}; + +/* Display Buffer + * + * The buffer used for drawing during render, filled by tonemapping the render + * buffers and converting to uchar4 storage. */ + +class DisplayBuffer { +public: + /* buffer dimensions */ + int width, height; + /* 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; + /* byte buffer for tonemapped result */ + device_vector<uchar4> rgba; + /* mutex, must be locked manually by callers */ + thread_mutex mutex; + + DisplayBuffer(Device *device); + ~DisplayBuffer(); + + void reset(Device *device, int width, int height); + void write(Device *device, const string& filename); + + void draw_set(int width, int height); + void draw(Device *device); + bool draw_ready(); + +protected: + void device_free(); + + Device *device; +}; + +CCL_NAMESPACE_END + +#endif /* __BUFFERS_H__ */ + |