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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 19:33:14 +0000 |
commit | 36d22d82aa202bb199967e9512281e9a53db42c9 (patch) | |
tree | 105e8c98ddea1c1e4784a60a5a6410fa416be2de /dom/canvas/WebGLSampler.cpp | |
parent | Initial commit. (diff) | |
download | firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.tar.xz firefox-esr-36d22d82aa202bb199967e9512281e9a53db42c9.zip |
Adding upstream version 115.7.0esr.upstream/115.7.0esr
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/WebGLSampler.cpp')
-rw-r--r-- | dom/canvas/WebGLSampler.cpp | 168 |
1 files changed, 168 insertions, 0 deletions
diff --git a/dom/canvas/WebGLSampler.cpp b/dom/canvas/WebGLSampler.cpp new file mode 100644 index 0000000000..5ab179e4b5 --- /dev/null +++ b/dom/canvas/WebGLSampler.cpp @@ -0,0 +1,168 @@ +/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* 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 "WebGLSampler.h" + +#include "GLContext.h" +#include "mozilla/dom/WebGL2RenderingContextBinding.h" +#include "WebGLContext.h" + +namespace mozilla { + +WebGLSampler::WebGLSampler(WebGLContext* const webgl) + : WebGLContextBoundObject(webgl), mGLName([&]() { + GLuint ret = 0; + webgl->gl->fGenSamplers(1, &ret); + return ret; + }()) {} + +WebGLSampler::~WebGLSampler() { + if (!mContext) return; + mContext->gl->fDeleteSamplers(1, &mGLName); +} + +static bool ValidateSamplerParameterParams(WebGLContext* webgl, GLenum pname, + const FloatOrInt& param) { + const auto& paramInt = param.i; + bool pnameValid = true; + switch (pname) { + case LOCAL_GL_TEXTURE_MIN_FILTER: + switch (paramInt) { + case LOCAL_GL_NEAREST: + case LOCAL_GL_LINEAR: + case LOCAL_GL_NEAREST_MIPMAP_NEAREST: + case LOCAL_GL_NEAREST_MIPMAP_LINEAR: + case LOCAL_GL_LINEAR_MIPMAP_NEAREST: + case LOCAL_GL_LINEAR_MIPMAP_LINEAR: + return true; + + default: + break; + } + break; + + case LOCAL_GL_TEXTURE_MAG_FILTER: + switch (paramInt) { + case LOCAL_GL_NEAREST: + case LOCAL_GL_LINEAR: + return true; + + default: + break; + } + break; + + case LOCAL_GL_TEXTURE_WRAP_S: + case LOCAL_GL_TEXTURE_WRAP_T: + case LOCAL_GL_TEXTURE_WRAP_R: + switch (paramInt) { + case LOCAL_GL_CLAMP_TO_EDGE: + case LOCAL_GL_REPEAT: + case LOCAL_GL_MIRRORED_REPEAT: + return true; + + default: + break; + } + break; + + case LOCAL_GL_TEXTURE_MIN_LOD: + case LOCAL_GL_TEXTURE_MAX_LOD: + return true; + + case LOCAL_GL_TEXTURE_COMPARE_MODE: + switch (paramInt) { + case LOCAL_GL_NONE: + case LOCAL_GL_COMPARE_REF_TO_TEXTURE: + return true; + + default: + break; + } + break; + + case LOCAL_GL_TEXTURE_COMPARE_FUNC: + switch (paramInt) { + case LOCAL_GL_LEQUAL: + case LOCAL_GL_GEQUAL: + case LOCAL_GL_LESS: + case LOCAL_GL_GREATER: + case LOCAL_GL_EQUAL: + case LOCAL_GL_NOTEQUAL: + case LOCAL_GL_ALWAYS: + case LOCAL_GL_NEVER: + return true; + + default: + break; + } + break; + + case LOCAL_GL_TEXTURE_MAX_ANISOTROPY: + if (webgl->IsExtensionEnabled( + WebGLExtensionID::EXT_texture_filter_anisotropic)) { + return true; + } + pnameValid = false; + break; + + default: + pnameValid = false; + break; + } + + if (!pnameValid) { + webgl->ErrorInvalidEnumInfo("pname", pname); + return false; + } + + webgl->ErrorInvalidEnumInfo("param", paramInt); + return false; +} + +void WebGLSampler::SamplerParameter(GLenum pname, const FloatOrInt& param) { + if (!ValidateSamplerParameterParams(mContext, pname, param)) return; + + bool invalidate = true; + switch (pname) { + case LOCAL_GL_TEXTURE_MIN_FILTER: + mState.minFilter = param.i; + break; + + case LOCAL_GL_TEXTURE_MAG_FILTER: + mState.magFilter = param.i; + break; + + case LOCAL_GL_TEXTURE_WRAP_S: + mState.wrapS = param.i; + break; + + case LOCAL_GL_TEXTURE_WRAP_T: + mState.wrapT = param.i; + break; + + case LOCAL_GL_TEXTURE_COMPARE_MODE: + mState.compareMode = param.i; + break; + + default: + invalidate = false; + break; + } + + if (invalidate) { + InvalidateCaches(); + } + + //// + + if (param.isFloat) { + mContext->gl->fSamplerParameterf(mGLName, pname, param.f); + } else { + mContext->gl->fSamplerParameteri(mGLName, pname, param.i); + } +} + +} // namespace mozilla |