2014-09-18 02:08:41 +04:00
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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WebGL2Context.h"
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2016-07-22 09:25:41 +03:00
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2014-09-18 02:08:41 +04:00
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#include "GLContext.h"
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2016-07-22 09:25:41 +03:00
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#include "WebGLFramebuffer.h"
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2014-09-18 02:08:41 +04:00
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2015-07-15 03:37:28 +03:00
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namespace mozilla {
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2014-09-18 02:08:41 +04:00
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2016-10-14 02:25:11 +03:00
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bool
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2016-10-14 03:02:48 +03:00
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WebGL2Context::ValidateClearBuffer(const char* funcName, GLenum buffer, GLint drawBuffer,
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size_t availElemCount, GLuint elemOffset)
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2014-09-18 04:17:00 +04:00
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{
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2016-10-14 03:02:48 +03:00
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if (IsContextLost())
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return false;
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if (elemOffset > availElemCount) {
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ErrorInvalidValue("%s: Offset too big for list.", funcName);
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return false;
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}
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availElemCount -= elemOffset;
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////
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2016-10-14 02:25:11 +03:00
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size_t requiredElements;
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GLint maxDrawBuffer;
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switch (buffer) {
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case LOCAL_GL_COLOR:
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case LOCAL_GL_FRONT:
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case LOCAL_GL_BACK:
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case LOCAL_GL_LEFT:
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case LOCAL_GL_RIGHT:
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case LOCAL_GL_FRONT_AND_BACK:
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requiredElements = 4;
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maxDrawBuffer = mGLMaxDrawBuffers - 1;
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break;
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case LOCAL_GL_DEPTH:
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case LOCAL_GL_STENCIL:
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requiredElements = 1;
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maxDrawBuffer = 0;
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break;
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default:
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ErrorInvalidEnumInfo(funcName, buffer);
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return false;
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}
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2016-10-14 03:02:48 +03:00
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if (drawBuffer < 0 || drawBuffer > maxDrawBuffer) {
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ErrorInvalidValue("%s: Invalid drawbuffer %d. This buffer only supports"
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" `drawbuffer` values between 0 and %u.",
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funcName, drawBuffer, maxDrawBuffer);
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return false;
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}
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if (availElemCount < requiredElements) {
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ErrorInvalidValue("%s: Not enough elements. Require %u. Given %u.",
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funcName, requiredElements, availElemCount);
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return false;
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}
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2016-10-14 03:02:48 +03:00
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////
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2016-01-21 09:51:59 +03:00
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2014-09-18 04:17:00 +04:00
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MakeContextCurrent();
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if (mBoundDrawFramebuffer) {
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if (!mBoundDrawFramebuffer->ValidateAndInitAttachments(funcName))
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return false;
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2016-01-21 09:51:59 +03:00
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}
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2016-10-14 03:02:48 +03:00
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return true;
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2014-09-18 04:17:00 +04:00
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}
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2016-10-14 03:02:48 +03:00
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////
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2014-09-18 04:17:00 +04:00
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void
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WebGL2Context::ClearBufferfv(GLenum buffer, GLint drawBuffer, const Float32Arr& src,
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GLuint srcElemOffset)
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{
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const char funcName[] = "clearBufferfv";
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if (!ValidateClearBuffer(funcName, buffer, drawBuffer, src.elemCount, srcElemOffset))
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return;
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2016-12-21 10:31:22 +03:00
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ScopedDrawCallWrapper wrapper(*this);
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2016-10-14 03:02:48 +03:00
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const auto ptr = src.elemBytes + srcElemOffset;
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gl->fClearBufferfv(buffer, drawBuffer, ptr);
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2014-09-18 02:08:41 +04:00
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}
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void
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WebGL2Context::ClearBufferiv(GLenum buffer, GLint drawBuffer, const Int32Arr& src,
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GLuint srcElemOffset)
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2014-09-18 02:08:41 +04:00
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{
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2016-10-14 03:02:48 +03:00
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const char funcName[] = "clearBufferiv";
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if (!ValidateClearBuffer(funcName, buffer, drawBuffer, src.elemCount, srcElemOffset))
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2014-09-18 04:17:00 +04:00
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return;
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2016-12-21 10:31:22 +03:00
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ScopedDrawCallWrapper wrapper(*this);
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2016-10-14 03:02:48 +03:00
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const auto ptr = src.elemBytes + srcElemOffset;
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gl->fClearBufferiv(buffer, drawBuffer, ptr);
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2014-09-18 02:08:41 +04:00
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}
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void
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WebGL2Context::ClearBufferuiv(GLenum buffer, GLint drawBuffer, const Uint32Arr& src,
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GLuint srcElemOffset)
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2014-09-18 02:08:41 +04:00
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{
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const char funcName[] = "clearBufferuiv";
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if (!ValidateClearBuffer(funcName, buffer, drawBuffer, src.elemCount, srcElemOffset))
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2014-09-18 04:17:00 +04:00
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return;
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2016-12-21 10:31:22 +03:00
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ScopedDrawCallWrapper wrapper(*this);
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2016-10-14 03:02:48 +03:00
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const auto ptr = src.elemBytes + srcElemOffset;
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gl->fClearBufferuiv(buffer, drawBuffer, ptr);
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2014-09-18 02:08:41 +04:00
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}
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2016-10-14 03:02:48 +03:00
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////
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2014-09-18 02:08:41 +04:00
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void
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WebGL2Context::ClearBufferfi(GLenum buffer, GLint drawBuffer, GLfloat depth,
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GLint stencil)
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2014-09-18 02:08:41 +04:00
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{
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const char funcName[] = "clearBufferfi";
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if (!ValidateClearBuffer(funcName, LOCAL_GL_DEPTH, drawBuffer, 1, 0))
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2016-03-17 08:45:00 +03:00
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return;
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2016-10-14 03:02:48 +03:00
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if (buffer != LOCAL_GL_DEPTH_STENCIL)
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return ErrorInvalidEnumInfo(funcName, buffer);
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2014-09-18 04:17:00 +04:00
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2016-12-21 10:31:22 +03:00
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ScopedDrawCallWrapper wrapper(*this);
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2016-10-14 03:02:48 +03:00
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gl->fClearBufferfi(buffer, drawBuffer, depth, stencil);
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2014-09-18 02:08:41 +04:00
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}
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2015-07-15 03:37:28 +03:00
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} // namespace mozilla
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