gecko-dev/dom/canvas/WebGL2ContextSamplers.cpp

229 строки
6.3 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 "WebGLSampler.h"
#include "GLContext.h"
namespace mozilla {
already_AddRefed<WebGLSampler>
WebGL2Context::CreateSampler()
{
if (IsContextLost())
return nullptr;
GLuint sampler;
MakeContextCurrent();
gl->fGenSamplers(1, &sampler);
nsRefPtr<WebGLSampler> globj = new WebGLSampler(this, sampler);
return globj.forget();
}
void
WebGL2Context::DeleteSampler(WebGLSampler* sampler)
{
if (IsContextLost())
return;
if (!ValidateObjectAllowDeletedOrNull("deleteSampler", sampler))
return;
if (!sampler || sampler->IsDeleted())
return;
for (int n = 0; n < mGLMaxTextureUnits; n++) {
if (mBoundSamplers[n] == sampler) {
mBoundSamplers[n] = nullptr;
}
}
sampler->RequestDelete();
}
bool
WebGL2Context::IsSampler(WebGLSampler* sampler)
{
if (IsContextLost())
return false;
if (!sampler)
return false;
if (!ValidateObjectAllowDeleted("isSampler", sampler))
return false;
if (sampler->IsDeleted())
return false;
MakeContextCurrent();
return gl->fIsSampler(sampler->mGLName);
}
void
WebGL2Context::BindSampler(GLuint unit, WebGLSampler* sampler)
{
if (IsContextLost())
return;
if (!ValidateObjectAllowDeletedOrNull("bindSampler", sampler))
return;
if (GLint(unit) >= mGLMaxTextureUnits)
return ErrorInvalidValue("bindSampler: unit must be < %d", mGLMaxTextureUnits);
if (sampler && sampler->IsDeleted())
return ErrorInvalidOperation("bindSampler: binding deleted sampler");
WebGLContextUnchecked::BindSampler(unit, sampler);
mBoundSamplers[unit] = sampler;
}
void
WebGL2Context::SamplerParameteri(WebGLSampler* sampler, GLenum pname, GLint param)
{
if (IsContextLost())
return;
if (!sampler || sampler->IsDeleted())
return ErrorInvalidOperation("samplerParameteri: invalid sampler");
if (!ValidateSamplerParameterParams(pname, WebGLIntOrFloat(param), "samplerParameteri"))
return;
WebGLContextUnchecked::SamplerParameteri(sampler, pname, param);
}
void
WebGL2Context::SamplerParameteriv(WebGLSampler* sampler, GLenum pname, const dom::Int32Array& param)
{
if (IsContextLost())
return;
if (!sampler || sampler->IsDeleted())
return ErrorInvalidOperation("samplerParameteriv: invalid sampler");
param.ComputeLengthAndData();
if (param.Length() < 1)
return /* TODO(djg): Error message */;
/* TODO(djg): All of these calls in ES3 only take 1 param */
if (!ValidateSamplerParameterParams(pname, WebGLIntOrFloat(param.Data()[0]), "samplerParameteriv"))
return;
WebGLContextUnchecked::SamplerParameteriv(sampler, pname, param.Data());
}
void
WebGL2Context::SamplerParameteriv(WebGLSampler* sampler, GLenum pname, const dom::Sequence<GLint>& param)
{
if (IsContextLost())
return;
if (!sampler || sampler->IsDeleted())
return ErrorInvalidOperation("samplerParameteriv: invalid sampler");
if (param.Length() < 1)
return /* TODO(djg): Error message */;
/* TODO(djg): All of these calls in ES3 only take 1 param */
if (!ValidateSamplerParameterParams(pname, WebGLIntOrFloat(param[0]), "samplerParameteriv"))
return;
WebGLContextUnchecked::SamplerParameteriv(sampler, pname, param.Elements());
}
void
WebGL2Context::SamplerParameterf(WebGLSampler* sampler, GLenum pname, GLfloat param)
{
if (IsContextLost())
return;
if (!sampler || sampler->IsDeleted())
return ErrorInvalidOperation("samplerParameterf: invalid sampler");
if (!ValidateSamplerParameterParams(pname, WebGLIntOrFloat(param), "samplerParameterf"))
return;
WebGLContextUnchecked::SamplerParameterf(sampler, pname, param);
}
void
WebGL2Context::SamplerParameterfv(WebGLSampler* sampler, GLenum pname, const dom::Float32Array& param)
{
if (IsContextLost())
return;
if (!sampler || sampler->IsDeleted())
return ErrorInvalidOperation("samplerParameterfv: invalid sampler");
param.ComputeLengthAndData();
if (param.Length() < 1)
return /* TODO(djg): Error message */;
/* TODO(djg): All of these calls in ES3 only take 1 param */
if (!ValidateSamplerParameterParams(pname, WebGLIntOrFloat(param.Data()[0]), "samplerParameterfv"))
return;
WebGLContextUnchecked::SamplerParameterfv(sampler, pname, param.Data());
}
void
WebGL2Context::SamplerParameterfv(WebGLSampler* sampler, GLenum pname, const dom::Sequence<GLfloat>& param)
{
if (IsContextLost())
return;
if (!sampler || sampler->IsDeleted())
return ErrorInvalidOperation("samplerParameterfv: invalid sampler");
if (param.Length() < 1)
return /* TODO(djg): Error message */;
/* TODO(djg): All of these calls in ES3 only take 1 param */
if (!ValidateSamplerParameterParams(pname, WebGLIntOrFloat(param[0]), "samplerParameterfv"))
return;
WebGLContextUnchecked::SamplerParameterfv(sampler, pname, param.Elements());
}
void
WebGL2Context::GetSamplerParameter(JSContext*, WebGLSampler* sampler, GLenum pname, JS::MutableHandleValue retval)
{
if (IsContextLost())
return;
if (!sampler || sampler->IsDeleted())
return ErrorInvalidOperation("getSamplerParameter: invalid sampler");
if (!ValidateSamplerParameterName(pname, "getSamplerParameter"))
return;
retval.set(JS::NullValue());
switch (pname) {
case LOCAL_GL_TEXTURE_MIN_FILTER:
case LOCAL_GL_TEXTURE_MAG_FILTER:
case LOCAL_GL_TEXTURE_WRAP_S:
case LOCAL_GL_TEXTURE_WRAP_T:
case LOCAL_GL_TEXTURE_WRAP_R:
case LOCAL_GL_TEXTURE_COMPARE_MODE:
case LOCAL_GL_TEXTURE_COMPARE_FUNC:
retval.set(JS::Int32Value(
WebGLContextUnchecked::GetSamplerParameteriv(sampler, pname)));
return;
case LOCAL_GL_TEXTURE_MIN_LOD:
case LOCAL_GL_TEXTURE_MAX_LOD:
retval.set(JS::Float32Value(
WebGLContextUnchecked::GetSamplerParameterfv(sampler, pname)));
return;
}
}
} // namespace mozilla