mirror of
https://github.com/mozilla/gecko-dev.git
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143 lines
3.4 KiB
C++
143 lines
3.4 KiB
C++
/* -*- 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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#include "WebGLSampler.h"
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#include "GLContext.h"
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namespace mozilla {
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already_AddRefed<WebGLSampler>
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WebGL2Context::CreateSampler()
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{
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if (IsContextLost())
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return nullptr;
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GLuint sampler;
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gl->fGenSamplers(1, &sampler);
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RefPtr<WebGLSampler> globj = new WebGLSampler(this, sampler);
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return globj.forget();
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}
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void
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WebGL2Context::DeleteSampler(WebGLSampler* sampler)
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{
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if (!ValidateDeleteObject("deleteSampler", sampler))
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return;
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for (uint32_t n = 0; n < mGLMaxTextureUnits; n++) {
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if (mBoundSamplers[n] == sampler) {
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mBoundSamplers[n] = nullptr;
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InvalidateResolveCacheForTextureWithTexUnit(n);
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}
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}
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sampler->RequestDelete();
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}
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bool
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WebGL2Context::IsSampler(const WebGLSampler* sampler)
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{
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if (!ValidateIsObject("isSampler", sampler))
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return false;
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return gl->fIsSampler(sampler->mGLName);
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}
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void
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WebGL2Context::BindSampler(GLuint unit, WebGLSampler* sampler)
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{
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if (IsContextLost())
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return;
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if (sampler && !ValidateObject("bindSampler", *sampler))
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return;
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if (unit >= mGLMaxTextureUnits)
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return ErrorInvalidValue("bindSampler: unit must be < %u", mGLMaxTextureUnits);
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////
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gl->fBindSampler(unit, sampler ? sampler->mGLName : 0);
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InvalidateResolveCacheForTextureWithTexUnit(unit);
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mBoundSamplers[unit] = sampler;
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}
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void
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WebGL2Context::SamplerParameteri(WebGLSampler& sampler, GLenum pname, GLint param)
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{
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const char funcName[] = "samplerParameteri";
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if (IsContextLost())
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return;
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if (!ValidateObject(funcName, sampler))
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return;
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sampler.SamplerParameter(funcName, pname, FloatOrInt(param));
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}
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void
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WebGL2Context::SamplerParameterf(WebGLSampler& sampler, GLenum pname, GLfloat param)
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{
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const char funcName[] = "samplerParameterf";
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if (IsContextLost())
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return;
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if (!ValidateObject(funcName, sampler))
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return;
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sampler.SamplerParameter(funcName, pname, FloatOrInt(param));
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}
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void
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WebGL2Context::GetSamplerParameter(JSContext*, const WebGLSampler& sampler, GLenum pname,
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JS::MutableHandleValue retval)
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{
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const char funcName[] = "getSamplerParameter";
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retval.setNull();
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if (IsContextLost())
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return;
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if (!ValidateObject(funcName, sampler))
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return;
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////
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switch (pname) {
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case LOCAL_GL_TEXTURE_MIN_FILTER:
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case LOCAL_GL_TEXTURE_MAG_FILTER:
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case LOCAL_GL_TEXTURE_WRAP_S:
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case LOCAL_GL_TEXTURE_WRAP_T:
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case LOCAL_GL_TEXTURE_WRAP_R:
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case LOCAL_GL_TEXTURE_COMPARE_MODE:
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case LOCAL_GL_TEXTURE_COMPARE_FUNC:
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{
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GLint param = 0;
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gl->fGetSamplerParameteriv(sampler.mGLName, pname, ¶m);
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retval.set(JS::Int32Value(param));
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}
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return;
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case LOCAL_GL_TEXTURE_MIN_LOD:
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case LOCAL_GL_TEXTURE_MAX_LOD:
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{
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GLfloat param = 0;
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gl->fGetSamplerParameterfv(sampler.mGLName, pname, ¶m);
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retval.set(JS::Float32Value(param));
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}
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return;
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default:
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ErrorInvalidEnumArg(funcName, "pname", pname);
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return;
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}
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}
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} // namespace mozilla
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