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/*
Copy from https://docs.rs/crate/glenum/0.1.1/source/src/lib.rs
Documentation taken from https://developer.mozilla.org/en-US/docs/Web/API/WebGL_API/Constants
*/
/// Constants passed to WebGLRenderingContext.vertexAttribPointer()
#[derive(Debug, Clone, Copy)]
pub enum AttributeSize {
One = 1,
Two = 2,
Three = 3,
Four = 4,
}
/// Constants passed to WebGLRenderingContext.createShader()
#[derive(Debug, Clone, Copy)]
pub enum ShaderKind {
/// Passed to createShader to define a fragment shader.
Fragment = 0x8B30,
/// Passed to createShader to define a vertex shader
Vertex = 0x8B31,
}
/// Constants passed to WebGLRenderingContext.createShader()
#[derive(Debug, Clone, Copy)]
pub enum ShaderParameter {
/// Passed to getShaderParamter to get the status of the compilation. Returns false if the shader was not compiled. You can then query getShaderInfoLog to find the exact error
CompileStatus = 0x8B81,
/// Passed to getShaderParamter to determine if a shader was deleted via deleteShader. Returns true if it was, false otherwise.
DeleteStatus = 0x8B80,
/// Passed to getProgramParameter after calling linkProgram to determine if a program was linked correctly. Returns false if there were errors. Use getProgramInfoLog to find the exact error.
LinkStatus = 0x8B82,
/// Passed to getProgramParameter after calling validateProgram to determine if it is valid. Returns false if errors were found.
ValidateStatus = 0x8B83,
/// Passed to getProgramParameter after calling attachShader to determine if the shader was attached correctly. Returns false if errors occurred.
AttachedShaders = 0x8B85,
/// Passed to getProgramParameter to get the number of attributes active in a program.
ActiveAttributes = 0x8B89,
/// Passed to getProgramParamter to get the number of uniforms active in a program.
ActiveUniforms = 0x8B86,
/// The maximum number of entries possible in the vertex attribute list.
MaxVertexAttribs = 0x8869,
///
MaxVertexUniformVectors = 0x8DFB,
///
MaxVaryingVectors = 0x8DFC,
///
MaxCombinedTextureImageUnits = 0x8B4D,
///
MaxVertexTextureImageUnits = 0x8B4C,
/// Implementation dependent number of maximum texture units. At least 8.
MaxTextureImageUnits = 0x8872,
///
MaxFragmentUniformVectors = 0x8DFD,
///
ShaderType = 0x8B4F,
///
ShadingLanguageVersion = 0x8B8C,
///
CurrentProgram = 0x8B8D,
}
/// Passed to bindBuffer or bufferData to specify the type of buffer being used.
#[derive(Debug, Clone, Copy)]
pub enum BufferKind {
/// to store vertex attributes
Array = 0x8892,
/// to store vertex array indices
ElementArray = 0x8893,
}
#[derive(Debug, Clone, Copy)]
pub enum DrawMode {
/// Passed to bufferData as a hint about whether the contents of the buffer are likely to be used often and not change often.
Static = 0x88E4,
/// Passed to bufferData as a hint about whether the contents of the buffer are likely to be used often and change often.
Dynamic = 0x88E8,
/// Passed to bufferData as a hint about whether the contents of the buffer are likely to not be used often.
Stream = 0x88E0,
}
#[derive(Debug, Clone, Copy)]
pub enum BufferParameter {
/// Passed to getBufferParameter to get a buffer's size.
Size = 0x8764,
/// Passed to getBufferParameter to get the hint for the buffer passed in when it was created.
Usage = 0x8765,
}
#[derive(Debug, Clone, Copy)]
pub enum DataType {
I8 = 0x1400,
U8 = 0x1401,
I16 = 0x1402,
U16 = 0x1403,
I32 = 0x1404,
U32 = 0x1405,
Float = 0x1406,
}
#[derive(Debug, Clone, Copy)]
pub enum Flag {
/// Passed to enable/disable to turn on/off blending. Can also be used with getParameter to find the current blending method.
Blend = 0x0BE2,
/// Passed to enable/disable to turn on/off the depth test. Can also be used with getParameter to query the depth test.
DepthTest = 0x0B71,
/// Passed to enable/disable to turn on/off dithering. Can also be used with getParameter to find the current dithering method.
Dither = 0x0BD0,
/// Passed to enable/disable to turn on/off the polygon offset. Useful for rendering hidden-line images, decals, and or solids with highlighted edges. Can also be used with getParameter to query the scissor test.
PolygonOffsetFill = 0x8037,
/// Passed to enable/disable to turn on/off the alpha to coverage. Used in multi-sampling alpha channels.
SampleAlphaToCoverage = 0x809E,
/// Passed to enable/disable to turn on/off the sample coverage. Used in multi-sampling.
SampleCoverage = 0x80A0,
/// Passed to enable/disable to turn on/off the scissor test. Can also be used with getParameter to query the scissor test.
ScissorTest = 0x0C11,
/// Passed to enable/disable to turn on/off the stencil test. Can also be used with getParameter to query the stencil test.
StencilTest = 0x0B90,
}
#[derive(Debug, Clone, Copy)]
pub enum BufferBit {
/// Passed to clear to clear the current depth buffer.
Depth = 0x00000100,
/// Passed to clear to clear the current stencil buffer.
Stencil = 0x00000400,
/// Passed to clear to clear the current color buffer.
Color = 0x00004000,
}
/// Passed to drawElements or drawArrays to draw primitives.
#[derive(Debug, Clone, Copy)]
pub enum Primitives {
/// Passed to drawElements or drawArrays to draw single points.
Points = 0x0000,
/// Passed to drawElements or drawArrays to draw lines. Each vertex connects to the one after it.
Lines = 0x0001,
/// Passed to drawElements or drawArrays to draw lines. Each set of two vertices is treated as a separate line segment.
LineLoop = 0x0002,
/// Passed to drawElements or drawArrays to draw a connected group of line segments from the first vertex to the last.
LineStrip = 0x0003,
/// Passed to drawElements or drawArrays to draw triangles. Each set of three vertices creates a separate triangle.
Triangles = 0x0004,
/// Passed to drawElements or drawArrays to draw a connected group of triangles.
TriangleStrip = 0x0005,
/// Passed to drawElements or drawArrays to draw a connected group of triangles. Each vertex connects to the previous and the first vertex in the fan.
TriangleFan = 0x0006,
}
/// Constants passed to WebGLRenderingContext.blendFunc() or WebGLRenderingContext.blendFuncSeparate() to specify the blending mode (for both, RBG and alpha, or separately).
#[derive(Debug, Clone, Copy)]
pub enum BlendMode {
/// Passed to blendFunc or blendFuncSeparate to turn off a component.
Zero = 0,
/// Passed to blendFunc or blendFuncSeparate to turn on a component.
One = 1,
/// Passed to blendFunc or blendFuncSeparate to multiply a component by the source elements color.
SrcColor = 0x0300,
/// Passed to blendFunc or blendFuncSeparate to multiply a component by one minus the source elements color.
OneMinusSrcColor = 0x0301,
/// Passed to blendFunc or blendFuncSeparate to multiply a component by the source's alpha.
SrcAlpha = 0x0302,
/// Passed to blendFunc or blendFuncSeparate to multiply a component by one minus the source's alpha.
OneMinusSrcAlpha = 0x0303,
/// Passed to blendFunc or blendFuncSeparate to multiply a component by the destination's alpha.
DstAlpha = 0x0304,
/// Passed to blendFunc or blendFuncSeparate to multiply a component by one minus the destination's alpha.
OneMinusDstAlpha = 0x0305,
/// Passed to blendFunc or blendFuncSeparate to multiply a component by the destination's color.
DstColor = 0x0306,
/// Passed to blendFunc or blendFuncSeparate to multiply a component by one minus the destination's color.
OneMinusDstColor = 0x0307,
/// Passed to blendFunc or blendFuncSeparate to multiply a component by the minimum of source's alpha or one minus the destination's alpha.
SrcAlphaSaturate = 0x0308,
/// Passed to blendFunc or blendFuncSeparate to specify a constant color blend function.
ConstantColor = 0x8001,
/// Passed to blendFunc or blendFuncSeparate to specify one minus a constant color blend function.
OneMinusConstantColor = 0x8002,
/// Passed to blendFunc or blendFuncSeparate to specify a constant alpha blend function.
ConstantAlpha = 0x8003,
/// Passed to blendFunc or blendFuncSeparate to specify one minus a constant alpha blend function.
OneMinusConstantAlpha = 0x8004,
}
/// Constants passed to WebGLRenderingContext.blendEquation()
/// or WebGLRenderingContext.blendEquationSeparate() to control
/// how the blending is calculated (for both, RBG and alpha, or separately).
#[derive(Debug, Clone, Copy)]
pub enum BlendEquation {
/// Passed to blendEquation or blendEquationSeparate to set an addition blend function.
FuncAdd = 0x8006,
/// Passed to blendEquation or blendEquationSeparate to specify a subtraction blend function (source - destination).
FuncSubstract = 0x800A,
/// Passed to blendEquation or blendEquationSeparate to specify a reverse subtraction blend function (destination - source).
FuncReverseSubtract = 0x800B,
}
/// Constants passed to WebGLRenderingContext.getParameter() to specify what information to return.
#[derive(Debug, Clone, Copy)]
pub enum Parameter {
/// Passed to getParameter to get the current RGB blend function. same as BlendEquationRgb
BlendEquation = 0x8009,
/// Passed to getParameter to get the current alpha blend function. Same as BLEND_EQUATION
BlendEquationAlpha = 0x883D,
/// Passed to getParameter to get the current destination RGB blend function.
BlendDstRgb = 0x80C8,
/// Passed to getParameter to get the current destination RGB blend function.
BlendSrcRgb = 0x80C9,
/// Passed to getParameter to get the current destination alpha blend function.
BlendDstAlpha = 0x80CA,
/// Passed to getParameter to get the current source alpha blend function.
BlendSrcAlpha = 0x80CB,
/// Passed to getParameter to return a the current blend color.
BlendColor = 0x8005,
/// Passed to getParameter to get the array buffer binding.
ArrayBufferBinding = 0x8894,
/// Passed to getParameter to get the current element array buffer.
ElementArrayBufferBinding = 0x8895,
/// Passed to getParameter to get the current lineWidth (set by the lineWidth method).
LineWidth = 0x0B21,
/// Passed to getParameter to get the current size of a point drawn with gl.POINTS
AliasedPointSizeRange = 0x846D,
/// Passed to getParameter to get the range of available widths for a line. Returns a length-2 array with the lo value at 0, and hight at 1.
AliasedLineWidthRange = 0x846E,
/// Passed to getParameter to get the current value of cullFace. Should return FRONT, BACK, or FRONT_AND_BACK
CullFaceMode = 0x0B45,
/// Passed to getParameter to determine the current value of frontFace. Should return CW or CCW.
FrontFace = 0x0B46,
/// Passed to getParameter to return a length-2 array of floats giving the current depth range.
DepthRange = 0x0B70,
/// Passed to getParameter to determine if the depth write mask is enabled.
DepthWritemask = 0x0B72,
/// Passed to getParameter to determine the current depth clear value.
DepthClearValue = 0x0B73,
/// Passed to getParameter to get the current depth function. Returns NEVER, ALWAYS, LESS, EQUAL, LEQUAL, GREATER, GEQUAL, or NOTEQUAL.
DepthFunc = 0x0B74,
/// Passed to getParameter to get the value the stencil will be cleared to.
StencilClearValue = 0x0B91,
/// Passed to getParameter to get the current stencil function. Returns NEVER, ALWAYS, LESS, EQUAL, LEQUAL, GREATER, GEQUAL, or NOTEQUAL.
StencilFunc = 0x0B92,
/// Passed to getParameter to get the current stencil fail function. Should return KEEP, REPLACE, INCR, DECR, INVERT, INCR_WRAP, or DECR_WRAP.
StencilFail = 0x0B94,
/// Passed to getParameter to get the current stencil fail function should the depth buffer test fail. Should return KEEP, REPLACE, INCR, DECR, INVERT, INCR_WRAP, or DECR_WRAP.
StencilPassDepthFail = 0x0B95,
/// Passed to getParameter to get the current stencil fail function should the depth buffer test pass. Should return KEEP, REPLACE, INCR, DECR, INVERT, INCR_WRAP, or DECR_WRAP.
StencilPassDepthPass = 0x0B96,
/// Passed to getParameter to get the reference value used for stencil tests.
StencilRef = 0x0B97,
///
StencilValueMask = 0x0B93,
///
StencilWritemask = 0x0B98,
///
StencilBackFunc = 0x8800,
///
StencilBackFail = 0x8801,
///
StencilBackPassDepthFail = 0x8802,
///
StencilBackPassDepthPass = 0x8803,
///
StencilBackRef = 0x8CA3,
///
StencilBackValueMask = 0x8CA4,
///
StencilBackWritemask = 0x8CA5,
/// Returns an Int32Array with four elements for the current viewport dimensions.
Viewport = 0x0BA2,
/// Returns an Int32Array with four elements for the current scissor box dimensions.
ScissorBox = 0x0C10,
///
ColorClearValue = 0x0C22,
///
ColorWritemask = 0x0C23,
///
UnpackAlignment = 0x0CF5,
///
PackAlignment = 0x0D05,
///
MaxTextureSize = 0x0D33,
///
MaxViewportDims = 0x0D3A,
///
SubpixelBits = 0x0D50,
///
RedBits = 0x0D52,
///
GreenBits = 0x0D53,
///
BlueBits = 0x0D54,
///
AlphaBits = 0x0D55,
///
DepthBits = 0x0D56,
///
StencilBits = 0x0D57,
///
PolygonOffsetUnits = 0x2A00,
///
PolygonOffsetFactor = 0x8038,
///
TextureBinding2d = 0x8069,
///
SampleBuffers = 0x80A8,
///
Samples = 0x80A9,
///
SampleCoverageValue = 0x80AA,
///
SampleCoverageInvert = 0x80AB,
///
CompressedTextureFormats = 0x86A3,
///
Vendor = 0x1F00,
///
Renderer = 0x1F01,
///
Version = 0x1F02,
///
ImplementationColorReadType = 0x8B9A,
///
ImplementationColorReadFormat = 0x8B9B,
///
BrowserDefaultWebgl = 0x9244,
///
TextureBindingCubeMap = 0x8514,
///
MaxCubeMapTextureSize = 0x851C,
}
/// Constants passed to WebGLRenderingContext.getVertexAttrib().
#[derive(Debug, Clone, Copy)]
pub enum VertexAttrib {
/// Passed to getVertexAttrib to read back the current vertex attribute.
Current = 0x8626,
///
ArrayEnabled = 0x8622,
///
ArraySize = 0x8623,
///
ArrayStride = 0x8624,
///
ArrayType = 0x8625,
///
ArrayNormalized = 0x886A,
///
ArrayPointer = 0x8645,
///
ArrayBufferBinding = 0x889F,
}
/// Constants passed to WebGLRenderingContext.cullFace().
#[derive(Debug, Clone, Copy)]
pub enum Culling {
/// Passed to enable/disable to turn on/off culling. Can also be used with getParameter to find the current culling method.
CullFace = 0x0B44,
/// Passed to cullFace to specify that only front faces should be drawn.
Front = 0x0404,
/// Passed to cullFace to specify that only back faces should be drawn.
Back = 0x0405,
/// Passed to cullFace to specify that front and back faces should be drawn.
FrontAndBack = 0x0408,
}
/// Constants returned from WebGLRenderingContext.getError().
#[derive(Debug, Clone, Copy)]
pub enum Error {
/// Returned from getError.
NoError = 0,
/// Returned from getError.
InvalidEnum = 0x0500,
/// Returned from getError.
InvalidValue = 0x0501,
/// Returned from getError.
InvalidOperation = 0x0502,
/// Returned from getError.
OutOfMemory = 0x0505,
/// Returned from getError.
ContextLostWebgl = 0x9242,
}
/// Constants passed to WebGLRenderingContext.frontFace().
#[derive(Debug, Clone, Copy)]
pub enum FrontFaceDirection {
/// Passed to frontFace to specify the front face of a polygon is drawn in the clockwise direction
CW = 0x0900,
/// Passed to frontFace to specify the front face of a polygon is drawn in the counter clockwise direction
CCW = 0x0901,
}
/// Constants passed to WebGLRenderingContext.depthFunc().
#[derive(Debug, Clone, Copy)]
pub enum DepthTest {
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will never pass. i.e. Nothing will be drawn.
Never = 0x0200,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will always pass. i.e. Pixels will be drawn in the order they are drawn.
Always = 0x0207,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is less than the stored value.
Less = 0x0201,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is equals to the stored value.
Equal = 0x0202,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is less than or equal to the stored value.
Lequal = 0x0203,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is greater than the stored value.
Greater = 0x0204,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is greater than or equal to the stored value.
Gequal = 0x0206,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is not equal to the stored value.
Notequal = 0x0205,
}
/// Constants passed to WebGLRenderingContext.stencilFunc().
#[derive(Debug, Clone, Copy)]
pub enum StencilTest {
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will never pass. i.e. Nothing will be drawn.
Never = 0x0200,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will always pass. i.e. Pixels will be drawn in the order they are drawn.
Always = 0x0207,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is less than the stored value.
Less = 0x0201,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is equals to the stored value.
Equal = 0x0202,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is less than or equal to the stored value.
Lequal = 0x0203,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is greater than the stored value.
Greater = 0x0204,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is greater than or equal to the stored value.
Gequal = 0x0206,
/// Passed to depthFunction or stencilFunction to specify depth or stencil tests will pass if the new depth value is not equal to the stored value.
Notequal = 0x0205,
}
/// Constants passed to WebGLRenderingContext.stencilOp().
#[derive(Debug, Clone, Copy)]
pub enum StencilAction {
///
Keep = 0x1E00,
///
Replace = 0x1E01,
///
Incr = 0x1E02,
///
Decr = 0x1E03,
///
Invert = 0x150A,
///
IncrWrap = 0x8507,
///
DecrWrap = 0x8508,
}
#[derive(Debug, Clone, Copy)]
pub enum PixelType {
///
UnsignedByte = 0x1401,
///
UnsignedShort4444 = 0x8033,
///
UnsignedShort5551 = 0x8034,
///
UnsignedShort565 = 0x8363,
///
UnsignedShort = 0x1403,
///
UnsignedInt = 0x1405,
///
UnsignedInt24 = 0x84FA,
///
Float = 0x1406,
}
#[derive(Debug, Clone, Copy)]
pub enum PixelFormat {
///
DepthComponent = 0x1902,
///
Alpha = 0x1906,
///
Rgb = 0x1907,
///
Rgba = 0x1908,
///
Luminance = 0x1909,
///
LuminanceAlpha = 0x190A,
}
/// Constants passed to WebGLRenderingContext.hint()
#[derive(Debug, Clone, Copy)]
pub enum Hint {
/// There is no preference for this behavior.
DontCare = 0x1100,
/// The most efficient behavior should be used.
Fastest = 0x1101,
/// The most correct or the highest quality option should be used.
Nicest = 0x1102,
/// Hint for the quality of filtering when generating mipmap images with WebGLRenderingContext.generateMipmap().
GenerateMipmapHint = 0x8192,
}
/// WebGLRenderingContext.texParameter[fi]() or WebGLRenderingContext.bindTexture() "target" parameter
#[derive(Debug, Clone, Copy)]
pub enum TextureKind {
///
Texture2d = 0x0DE1,
///
TextureCubeMap = 0x8513,
}
/// WebGLRenderingContext.texParameter[fi]() "pname" parameter
#[derive(Debug, Clone, Copy)]
pub enum TextureParameter {
///
TextureMagFilter = 0x2800,
///
TextureMinFilter = 0x2801,
///
TextureWrapS = 0x2802,
///
TextureWrapT = 0x2803,
///
BorderColor = 0x1004,
/// WebGL 2.0 only
TextureWrapR = 32882,
}
/// WebGLRenderingContext.texImage2D() "target" parameter
#[derive(Debug, Clone, Copy)]
pub enum TextureBindPoint {
///
Texture2d = 0x0DE1,
///
TextureCubeMapPositiveX = 0x8515,
///
TextureCubeMapNegativeX = 0x8516,
///
TextureCubeMapPositiveY = 0x8517,
///
TextureCubeMapNegativeY = 0x8518,
///
TextureCubeMapPositiveZ = 0x8519,
///
TextureCubeMapNegativeZ = 0x851A,
}
/// WebGLRenderingContext.texParameter[fi]() "param" parameter
#[derive(Debug, Clone, Copy)]
pub enum TextureMagFilter {
///
Nearest = 0x2600,
///
Linear = 0x2601,
}
/// WebGLRenderingContext.texParameter[fi]() "param" parameter
#[derive(Debug, Clone, Copy)]
pub enum TextureMinFilter {
///
Nearest = 0x2600,
///
Linear = 0x2601,
///
NearestMipmapNearest = 0x2700,
///
LinearMipmapNearest = 0x2701,
///
NearestMipmapLinear = 0x2702,
///
LinearMipmapLinear = 0x2703,
}
/// WebGLRenderingContext.texParameter[fi]() "param" parameter
#[derive(Debug, Clone, Copy, PartialEq)]
pub enum TextureWrap {
///
Repeat = 0x2901,
///
ClampToEdge = 0x812F,
///
MirroredRepeat = 0x8370,
}
/// Constants passed to WebGLRenderingContext.hint()
#[derive(Debug, Clone, Copy)]
pub enum Buffers {
///
Framebuffer = 0x8D40,
///
Renderbuffer = 0x8D41,
///
Rgba4 = 0x8056,
///
Rgb5A1 = 0x8057,
///
Rgb565 = 0x8D62,
///
DepthComponent16 = 0x81A5,
///
StencilIndex = 0x1901,
///
StencilIndex8 = 0x8D48,
///
DepthStencil = 0x84F9,
///
RenderbufferWidth = 0x8D42,
///
RenderbufferHeight = 0x8D43,
///
RenderbufferInternalFormat = 0x8D44,
///
RenderbufferRedSize = 0x8D50,
///
RenderbufferGreenSize = 0x8D51,
///
RenderbufferBlueSize = 0x8D52,
///
RenderbufferAlphaSize = 0x8D53,
///
RenderbufferDepthSize = 0x8D54,
///
RenderbufferStencilSize = 0x8D55,
///
FramebufferAttachmentObjectType = 0x8CD0,
///
FramebufferAttachmentObjectName = 0x8CD1,
///
FramebufferAttachmentTextureLevel = 0x8CD2,
///
FramebufferAttachmentTextureCubeMapFace = 0x8CD3,
///
ColorAttachment0 = 0x8CE0,
///
DepthAttachment = 0x8D00,
///
StencilAttachment = 0x8D20,
///
DepthStencilAttachment = 0x821A,
///
None = 0,
///
FramebufferComplete = 0x8CD5,
///
FramebufferIncompleteAttachment = 0x8CD6,
///
FramebufferIncompleteMissingAttachment = 0x8CD7,
///
FramebufferIncompleteDimensions = 0x8CD9,
///
FramebufferUnsupported = 0x8CDD,
///
FramebufferBinding = 0x8CA6,
///
RenderbufferBinding = 0x8CA7,
///
MaxRenderbufferSize = 0x84E8,
///
InvalidFramebufferOperation = 0x0506,
}
/// Constants passed to WebGLRenderingContext.hint()
#[derive(Debug, Clone, Copy)]
pub enum PixelStorageMode {
///
UnpackFlipYWebgl = 0x9240,
///
UnpackPremultiplyAlphaWebgl = 0x9241,
///
UnpackColorspaceConversionWebgl = 0x9243,
/// Packing of pixel data into memory.
/// Can be 1, 2, 4, 8 defaults to 4
PackAlignment = 0x0D05,
/// Unpacking of pixel data from memory
/// Can be 1, 2, 4, 8 defaults to 4
UnpackAlignment = 0x0CF5,
}
///
#[derive(Debug, Clone, Copy)]
pub enum ShaderPrecision {
///
LowFloat = 0x8DF0,
///
MediumFloat = 0x8DF1,
///
HighFloat = 0x8DF2,
///
LowInt = 0x8DF3,
///
MediumInt = 0x8DF4,
///
HighInt = 0x8DF5,
}
/// Constants passed to WebGLRenderingContext.hint()
#[derive(Debug, Clone, Copy)]
pub enum UniformType {
///
FloatVec2 = 0x8B50,
///
FloatVec3 = 0x8B51,
///
FloatVec4 = 0x8B52,
///
IntVec2 = 0x8B53,
///
IntVec3 = 0x8B54,
///
IntVec4 = 0x8B55,
///
Bool = 0x8B56,
///
BoolVec2 = 0x8B57,
///
BoolVec3 = 0x8B58,
///
BoolVec4 = 0x8B59,
///
FloatMat2 = 0x8B5A,
///
FloatMat3 = 0x8B5B,
///
FloatMat4 = 0x8B5C,
///
Sampler2d = 0x8B5E,
///
SamplerCube = 0x8B60,
}
///
#[derive(Debug, Clone, Copy)]
pub enum TextureCompression {
/// A DXT1-compressed image in an RGB image format.
RgbDxt1 = 0x83F0,
/// A DXT1-compressed image in an RGB image format with a simple on/off alpha value.
RgbaDxt1 = 0x83F1,
/// A DXT3-compressed image in an RGBA image format.
/// Compared to a 32-bit RGBA texture, it offers 4:1 compression.
RgbaDxt3 = 0x83F2,
/// A DXT5-compressed image in an RGBA image format.
/// It also provides a 4:1 compression,
/// but differs to the DXT3 compression in how the alpha compression is done.
RgbaDxt5 = 0x83F3,
}
///
#[derive(Debug, Clone, Copy)]
pub enum ColorBuffer {
None = 0,
Back = 0x0405,
ColorAttachment0 = 0x8CE0,
ColorAttachment1 = 0x8CE1,
ColorAttachment2 = 0x8CE2,
ColorAttachment3 = 0x8CE3,
ColorAttachment4 = 0x8CE4,
ColorAttachment5 = 0x8CE5,
ColorAttachment6 = 0x8CE6,
ColorAttachment7 = 0x8CE7,
ColorAttachment8 = 0x8CE8,
}