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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /dom/canvas/WebGLSampler.cpp
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'dom/canvas/WebGLSampler.cpp')
-rw-r--r--dom/canvas/WebGLSampler.cpp168
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