public RenderTargetBinding(RenderTargetIdentifier[] colorRenderTargets, RenderBufferLoadAction[] colorLoadActions, RenderBufferStoreAction[] colorStoreActions, RenderTargetIdentifier depthRenderTarget, RenderBufferLoadAction depthLoadAction, RenderBufferStoreAction depthStoreAction)
{
this.m_ColorRenderTargets = colorRenderTargets;
this.m_DepthRenderTarget = depthRenderTarget;
this.m_ColorLoadActions = colorLoadActions;
this.m_ColorStoreActions = colorStoreActions;
this.m_DepthLoadAction = depthLoadAction;
this.m_DepthStoreAction = depthStoreAction;
this.m_Flags = RenderTargetFlags.None;
}
public RenderTargetBinding(RenderTargetSetup setup)
{
this.m_ColorRenderTargets = new RenderTargetIdentifier[setup.color.Length];
for (int i = 0; i < this.m_ColorRenderTargets.Length; i++)
{
this.m_ColorRenderTargets[i] = new RenderTargetIdentifier(setup.color[i], setup.mipLevel, setup.cubemapFace, setup.depthSlice);
}
this.m_DepthRenderTarget = setup.depth;
this.m_ColorLoadActions = (RenderBufferLoadAction[])setup.colorLoad.Clone();
this.m_ColorStoreActions = (RenderBufferStoreAction[])setup.colorStore.Clone();
this.m_DepthLoadAction = setup.depthLoad;
this.m_DepthStoreAction = setup.depthStore;
this.m_Flags = RenderTargetFlags.None;
}
public unsafe RenderTarget(int width, int height, RenderTargetFlags flags,
TextureWraps wrap = TextureWraps.Repeat, TextureFilters filter = TextureFilters.Nearest) :
base(width, height)
{
fixed(uint *address = &framebufferId)
{
glGenFramebuffers(1, address);
}
glBindFramebuffer(GL_FRAMEBUFFER, framebufferId);
uint id;
glGenTextures(1, &id);
glBindTexture(GL_TEXTURE_2D, id);
Id = id;
var isColorEnabled = (flags & RenderTargetFlags.Color) > 0;
var isDepthEnabled = (flags & RenderTargetFlags.Depth) > 0;
var isStencilEnabled = (flags & RenderTargetFlags.Stencil) > 0;
uint texFormat;
uint texType;
uint texAttachment;
if (isColorEnabled)
{
texFormat = GL_RGBA;
texType = GL_UNSIGNED_BYTE;
texAttachment = GL_COLOR_ATTACHMENT0;
}
else
{
texFormat = GL_DEPTH_COMPONENT;
texType = GL_FLOAT;
texAttachment = GL_DEPTH_ATTACHMENT;
}
glTexImage2D(GL_TEXTURE_2D, 0, (int)texFormat, (uint)width, (uint)height, 0, texFormat, texType, null);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, (int)filter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, (int)filter);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, (int)wrap);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, (int)wrap);
glFramebufferTexture2D(GL_FRAMEBUFFER, texAttachment, GL_TEXTURE_2D, id, 0);
if (!isColorEnabled)
{
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
}
else if (isDepthEnabled)
{
var format = (uint)(isStencilEnabled ? GL_DEPTH24_STENCIL8 : GL_DEPTH_COMPONENT);
var attachment = (uint)(isStencilEnabled ? GL_DEPTH_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT);
fixed(uint *address = &renderbufferId)
{
glGenRenderbuffers(1, address);
}
glBindRenderbuffer(GL_RENDERBUFFER, renderbufferId);
glRenderbufferStorage(GL_RENDERBUFFER, format, (uint)width, (uint)height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, attachment, GL_RENDERBUFFER, renderbufferId);
glBindRenderbuffer(GL_RENDERBUFFER, 0);
}
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
{
Debug.Fail("Error creating render target.");
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
if (isColorEnabled)
{
clearBits |= GL_COLOR_BUFFER_BIT;
}
if (isDepthEnabled)
{
clearBits |= GL_DEPTH_BUFFER_BIT;
}
if (isStencilEnabled)
{
clearBits |= GL_STENCIL_BUFFER_BIT;
}
}
public RenderTarget(ivec2 dimensions, RenderTargetFlags flags, TextureWraps wrap = TextureWraps.Repeat,
TextureFilters filter = TextureFilters.Nearest) :
this(dimensions.x, dimensions.y, flags, wrap, filter)
{
}
public unsafe RenderTarget(int width, int height, RenderTargetFlags flags) : base(width, height)
{
fixed(uint *address = &framebufferId)
{
glGenFramebuffers(1, address);
}
glBindFramebuffer(GL_FRAMEBUFFER, framebufferId);
fixed(uint *address = &textureId)
{
glGenTextures(1, address);
}
glBindTexture(GL_TEXTURE_2D, textureId);
Id = textureId;
bool colorEnabled = (flags & RenderTargetFlags.Color) > 0;
bool depthEnabled = (flags & RenderTargetFlags.Depth) > 0;
bool stencilEnabled = (flags & RenderTargetFlags.Stencil) > 0;
uint texFormat;
uint texType;
uint texAttachment;
if (colorEnabled)
{
texFormat = GL_RGBA;
texType = GL_UNSIGNED_BYTE;
texAttachment = GL_COLOR_ATTACHMENT0;
}
else
{
texFormat = GL_DEPTH_COMPONENT;
texType = GL_FLOAT;
texAttachment = GL_DEPTH_ATTACHMENT;
}
glTexImage2D(GL_TEXTURE_2D, 0, (int)texFormat, (uint)width, (uint)height, 0, texFormat, texType, null);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
glFramebufferTexture2D(GL_FRAMEBUFFER, texAttachment, GL_TEXTURE_2D, textureId, 0);
if (!colorEnabled)
{
glDrawBuffer(GL_NONE);
glReadBuffer(GL_NONE);
}
else if (depthEnabled)
{
uint format = (uint)(stencilEnabled ? GL_DEPTH24_STENCIL8 : GL_DEPTH_COMPONENT);
uint attachment = (uint)(stencilEnabled ? GL_DEPTH_STENCIL_ATTACHMENT : GL_DEPTH_ATTACHMENT);
fixed(uint *address = &renderbufferId)
{
glGenRenderbuffers(1, address);
}
glBindRenderbuffer(GL_RENDERBUFFER, renderbufferId);
glRenderbufferStorage(GL_RENDERBUFFER, format, (uint)width, (uint)height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, attachment, GL_RENDERBUFFER, renderbufferId);
glBindRenderbuffer(GL_RENDERBUFFER, 0);
}
if (glCheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
{
throw new RenderTargetException("Error creating render target.");
}
glBindFramebuffer(GL_FRAMEBUFFER, 0);
if (colorEnabled)
{
clearBits |= GL_COLOR_BUFFER_BIT;
}
if (depthEnabled)
{
clearBits |= GL_DEPTH_BUFFER_BIT;
}
if (stencilEnabled)
{
clearBits |= GL_STENCIL_BUFFER_BIT;
}
}
public RenderTarget(ivec2 dimensions, RenderTargetFlags flags) : this(dimensions.x, dimensions.y, flags)
{
}