/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=8 sts=2 et sw=2 tw=80: */ /* 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/. */ #include "WebGL2Context.h" #include "GLContext.h" #include "WebGLVertexArray.h" #include "WebGLVertexAttribData.h" #include "mozilla/Casting.h" namespace mozilla { bool WebGL2Context::ValidateAttribPointerType(bool integerMode, GLenum type, uint32_t* out_alignment, const char* info) { MOZ_ASSERT(out_alignment); switch (type) { case LOCAL_GL_BYTE: case LOCAL_GL_UNSIGNED_BYTE: *out_alignment = 1; return true; case LOCAL_GL_SHORT: case LOCAL_GL_UNSIGNED_SHORT: *out_alignment = 2; return true; case LOCAL_GL_INT: case LOCAL_GL_UNSIGNED_INT: *out_alignment = 4; return true; } if (!integerMode) { switch (type) { case LOCAL_GL_HALF_FLOAT: *out_alignment = 2; return true; case LOCAL_GL_FLOAT: case LOCAL_GL_FIXED: case LOCAL_GL_INT_2_10_10_10_REV: case LOCAL_GL_UNSIGNED_INT_2_10_10_10_REV: *out_alignment = 4; return true; } } ErrorInvalidEnum("%s: invalid enum value 0x%x", info, type); return false; } // ------------------------------------------------------------------------- // Vertex Attributes void WebGL2Context::VertexAttribIPointer(GLuint index, GLint size, GLenum type, GLsizei stride, GLintptr offset) { if (IsContextLost()) return; if (!ValidateAttribIndex(index, "vertexAttribIPointer")) return; if (!ValidateAttribPointer(true, index, size, type, LOCAL_GL_FALSE, stride, offset, "vertexAttribIPointer")) { return; } MOZ_ASSERT(mBoundVertexArray); InvalidateBufferFetching(); MakeContextCurrent(); gl->fVertexAttribIPointer(index, size, type, stride, reinterpret_cast<void*>(offset)); WebGLVertexAttribData& vd = mBoundVertexArray->mAttribs[index]; const bool integerFunc = true; const bool normalized = false; vd.VertexAttribPointer(integerFunc, mBoundArrayBuffer, size, type, normalized, stride, offset); } } // namespace mozilla