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uniform_buffer.h
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/*
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** ClanLib SDK
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** Copyright (c) 1997-2013 The ClanLib Team
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**
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** This software is provided 'as-is', without any express or implied
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** warranty. In no event will the authors be held liable for any damages
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** arising from the use of this software.
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**
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** Permission is granted to anyone to use this software for any purpose,
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** including commercial applications, and to alter it and redistribute it
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** freely, subject to the following restrictions:
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**
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** 1. The origin of this software must not be misrepresented; you must not
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** claim that you wrote the original software. If you use this software
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** in a product, an acknowledgment in the product documentation would be
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** appreciated but is not required.
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** 2. Altered source versions must be plainly marked as such, and must not be
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** misrepresented as being the original software.
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** 3. This notice may not be removed or altered from any source distribution.
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**
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** Note: Some of the libraries ClanLib may link to may have additional
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** requirements or restrictions.
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**
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** File Author(s):
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**
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** Magnus Norddahl
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*/
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#pragma once
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#include <memory>
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#include "../api_display.h"
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#include "../Image/buffer_usage.h"
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namespace
clan
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{
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class
GraphicContext;
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class
TransferBuffer;
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class
UniformBufferProvider;
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class
UniformBuffer_Impl;
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class
ProgramObject;
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class
CL_API_DISPLAY
UniformBuffer
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{
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public
:
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UniformBuffer
();
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UniformBuffer
(
GraphicContext
&gc,
int
block_size,
BufferUsage
usage =
usage_dynamic_draw
);
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UniformBuffer
(
GraphicContext
&gc,
const
void
*data,
int
size,
BufferUsage
usage =
usage_dynamic_draw
);
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UniformBuffer
(
GraphicContext
&gc,
ProgramObject
&program,
const
std::string &name,
int
num_blocks = 1,
BufferUsage
usage =
usage_dynamic_draw
);
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public
:
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bool
is_null
()
const
{
return
!impl; }
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void
throw_if_null()
const
;
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UniformBufferProvider
*get_provider()
const
;
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public
:
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bool
operator==(
const
UniformBuffer
&other)
const
;
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void
upload_data(
GraphicContext
&gc,
const
void
*data,
int
size);
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void
copy_from(
GraphicContext
&gc,
TransferBuffer
&buffer,
int
dest_pos = 0,
int
src_pos = 0,
int
size = -1);
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void
copy_to(
GraphicContext
&gc,
TransferBuffer
&buffer,
int
dest_pos = 0,
int
src_pos = 0,
int
size = -1);
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private
:
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std::shared_ptr<UniformBuffer_Impl> impl;
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};
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}
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clan::usage_dynamic_draw
Definition:
buffer_usage.h:49
clan::BufferUsage
BufferUsage
Array Buffer usage enum.
Definition:
buffer_usage.h:41
clan::UniformBuffer::is_null
bool is_null() const
Returns true if this object is invalid.
Definition:
uniform_buffer.h:83
clan::UniformBuffer
Uniform Buffer.
Definition:
uniform_buffer.h:48
clan::GraphicContext
Interface to drawing graphics.
Definition:
graphic_context.h:257
clan::ProgramObject
Program Object.
Definition:
program_object.h:70
clan::UniformBufferProvider
Uniform Buffer provider.
Definition:
uniform_buffer_provider.h:40
clan::TransferBuffer
Transfer Buffer.
Definition:
transfer_buffer.h:46