mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-08-15 02:29:04 +00:00
147 lines
4.1 KiB
C++
147 lines
4.1 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
|
|
/* 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"
|
|
|
|
namespace mozilla {
|
|
|
|
bool WebGL2Context::ValidateClearBuffer(const char* info, GLenum buffer, GLint drawbuffer, size_t elemCount)
|
|
{
|
|
size_t requiredElements = -1;
|
|
GLint maxDrawbuffer = -1;
|
|
switch (buffer) {
|
|
case LOCAL_GL_COLOR:
|
|
case LOCAL_GL_FRONT:
|
|
case LOCAL_GL_BACK:
|
|
case LOCAL_GL_LEFT:
|
|
case LOCAL_GL_RIGHT:
|
|
case LOCAL_GL_FRONT_AND_BACK:
|
|
requiredElements = 4;
|
|
maxDrawbuffer = mGLMaxDrawBuffers - 1;
|
|
break;
|
|
|
|
case LOCAL_GL_DEPTH:
|
|
case LOCAL_GL_STENCIL:
|
|
requiredElements = 1;
|
|
maxDrawbuffer = 0;
|
|
break;
|
|
|
|
default:
|
|
ErrorInvalidEnumInfo(info, buffer);
|
|
return false;
|
|
}
|
|
|
|
if (drawbuffer < 0 || drawbuffer > maxDrawbuffer) {
|
|
ErrorInvalidValue("%s: invalid drawbuffer %d. This buffer only supports drawbuffer values between 0 and %d",
|
|
info, drawbuffer, maxDrawbuffer);
|
|
return false;
|
|
}
|
|
|
|
if (elemCount < requiredElements) {
|
|
ErrorInvalidValue("%s: Not enough elements. Require %u. Given %u.",
|
|
info, requiredElements, elemCount);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
// Common base functionality. These a good candidates to be moved into WebGLContextUnchecked.cpp
|
|
void
|
|
WebGL2Context::ClearBufferiv_base(GLenum buffer, GLint drawbuffer, const GLint* value)
|
|
{
|
|
MakeContextCurrent();
|
|
gl->fClearBufferiv(buffer, drawbuffer, value);
|
|
}
|
|
|
|
void
|
|
WebGL2Context::ClearBufferuiv_base(GLenum buffer, GLint drawbuffer, const GLuint* value)
|
|
{
|
|
MakeContextCurrent();
|
|
gl->fClearBufferuiv(buffer, drawbuffer, value);
|
|
}
|
|
|
|
void
|
|
WebGL2Context::ClearBufferfv_base(GLenum buffer, GLint drawbuffer, const GLfloat* value)
|
|
{
|
|
MakeContextCurrent();
|
|
gl->fClearBufferfv(buffer, drawbuffer, value);
|
|
}
|
|
|
|
void
|
|
WebGL2Context::ClearBufferiv(GLenum buffer, GLint drawbuffer, const dom::Int32Array& value)
|
|
{
|
|
value.ComputeLengthAndData();
|
|
if (!ValidateClearBuffer("clearBufferiv", buffer, drawbuffer, value.Length())) {
|
|
return;
|
|
}
|
|
|
|
ClearBufferiv_base(buffer, drawbuffer, value.Data());
|
|
}
|
|
|
|
void
|
|
WebGL2Context::ClearBufferiv(GLenum buffer, GLint drawbuffer, const dom::Sequence<GLint>& value)
|
|
{
|
|
if (!ValidateClearBuffer("clearBufferiv", buffer, drawbuffer, value.Length())) {
|
|
return;
|
|
}
|
|
|
|
ClearBufferiv_base(buffer, drawbuffer, value.Elements());
|
|
}
|
|
|
|
void
|
|
WebGL2Context::ClearBufferuiv(GLenum buffer, GLint drawbuffer, const dom::Uint32Array& value)
|
|
{
|
|
value.ComputeLengthAndData();
|
|
if (!ValidateClearBuffer("clearBufferuiv", buffer, drawbuffer, value.Length())) {
|
|
return;
|
|
}
|
|
|
|
ClearBufferuiv_base(buffer, drawbuffer, value.Data());
|
|
}
|
|
|
|
void
|
|
WebGL2Context::ClearBufferuiv(GLenum buffer, GLint drawbuffer, const dom::Sequence<GLuint>& value)
|
|
{
|
|
if (!ValidateClearBuffer("clearBufferuiv", buffer, drawbuffer, value.Length())) {
|
|
return;
|
|
}
|
|
|
|
ClearBufferuiv_base(buffer, drawbuffer, value.Elements());
|
|
}
|
|
|
|
void
|
|
WebGL2Context::ClearBufferfv(GLenum buffer, GLint drawbuffer, const dom::Float32Array& value)
|
|
{
|
|
value.ComputeLengthAndData();
|
|
if (!ValidateClearBuffer("clearBufferfv", buffer, drawbuffer, value.Length())) {
|
|
return;
|
|
}
|
|
|
|
ClearBufferfv_base(buffer, drawbuffer, value.Data());
|
|
}
|
|
|
|
void
|
|
WebGL2Context::ClearBufferfv(GLenum buffer, GLint drawbuffer, const dom::Sequence<GLfloat>& value)
|
|
{
|
|
if (!ValidateClearBuffer("clearBufferfv", buffer, drawbuffer, value.Length())) {
|
|
return;
|
|
}
|
|
|
|
ClearBufferfv_base(buffer, drawbuffer, value.Elements());
|
|
}
|
|
|
|
void
|
|
WebGL2Context::ClearBufferfi(GLenum buffer, GLint drawbuffer, GLfloat depth, GLint stencil)
|
|
{
|
|
if (buffer != LOCAL_GL_DEPTH_STENCIL) {
|
|
return ErrorInvalidEnumInfo("clearBufferfi: buffer", buffer);
|
|
}
|
|
MakeContextCurrent();
|
|
gl->fClearBufferfi(buffer, drawbuffer, depth, stencil);
|
|
}
|
|
|
|
} // namespace mozilla
|