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Implement instanced WebGL drawing calls (part of #20791)

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This commit is contained in:
Anthony Ramine 2018-03-20 10:11:46 +01:00
parent 0aefffc5bf
commit 4e6eea221a
12 changed files with 432 additions and 125 deletions
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15
components/script/dom/webidls/ANGLEInstancedArrays.webidl Normal file
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@ -0,0 +1,15 @@
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
/*
* WebGL IDL definitions from the Khronos specification:
* https://www.khronos.org/registry/webgl/extensions/ANGLE_instanced_arrays/
*/
[NoInterfaceObject]
interface ANGLEInstancedArrays {
const GLenum VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE = 0x88FE;
void drawArraysInstancedANGLE(GLenum mode, GLint first, GLsizei count, GLsizei primcount);
void drawElementsInstancedANGLE(GLenum mode, GLsizei count, GLenum type, GLintptr offset, GLsizei primcount);
void vertexAttribDivisorANGLE(GLuint index, GLuint divisor);
};

6
components/script/dom/webidls/WebGL2RenderingContext.webidl
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@ -502,9 +502,9 @@ interface WebGL2RenderingContextBase
// void vertexAttribIPointer(GLuint index, GLint size, GLenum type, GLsizei stride, GLintptr offset);
/* Writing to the drawing buffer */
// void vertexAttribDivisor(GLuint index, GLuint divisor);
// void drawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei instanceCount);
// void drawElementsInstanced(GLenum mode, GLsizei count, GLenum type, GLintptr offset, GLsizei instanceCount);
void vertexAttribDivisor(GLuint index, GLuint divisor);
void drawArraysInstanced(GLenum mode, GLint first, GLsizei count, GLsizei instanceCount);
void drawElementsInstanced(GLenum mode, GLsizei count, GLenum type, GLintptr offset, GLsizei instanceCount);
// void drawRangeElements(GLenum mode, GLuint start, GLuint end, GLsizei count, GLenum type, GLintptr offset);
/* Reading back pixels */