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Add Texture.canUse[Half]FloatingPointRTT(). #30

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Add Texture.canUse[Half]FloatingPointRTT(). #30

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14 changes: 14 additions & 0 deletions src/texture.js
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Original file line number Diff line number Diff line change
Expand Up @@ -207,6 +207,13 @@ Texture.canUseFloatingPointLinearFiltering = function() {
return !!gl.getExtension('OES_texture_float_linear');
};

// ### GL.Texture.canUseFloatingPointRTT()
//
// Returns false if float32 textures can't be rendered to.
Texture.canUseFloatingPointRTT = function() {
return !!gl.getExtension('WEBGL_color_buffer_float');
};

// ### GL.Texture.canUseFloatingPointTextures()
//
// Returns false if `gl.HALF_FLOAT_OES` is not supported as a texture type.
Expand All @@ -223,3 +230,10 @@ Texture.canUseHalfFloatingPointTextures = function() {
Texture.canUseHalfFloatingPointLinearFiltering = function() {
return !!gl.getExtension('OES_texture_half_float_linear');
};

// ### GL.Texture.canUseHalfFloatingPointRTT()
//
// Returns false if float16 textures can't be rendered to.
Texture.canUseHalfFloatingPointRTT = function() {
return !!gl.getExtension('EXT_color_buffer_half_float');
};