Add m-esr52 at 52.6.0

1 files changed, 415 insertions, 0 deletions

diff --git a/dom/canvas/WebGLContextTextures.cpp b/dom/canvas/WebGLContextTextures.cpp
new file mode 100644
index 000000000..30716438f
--- /dev/null
+++ b/dom/canvas/WebGLContextTextures.cpp
@@ -0,0 +1,415 @@
+/* -*- 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 "WebGLContext.h"
+#include "WebGLContextUtils.h"
+#include "WebGLBuffer.h"
+#include "WebGLVertexAttribData.h"
+#include "WebGLShader.h"
+#include "WebGLProgram.h"
+#include "WebGLUniformLocation.h"
+#include "WebGLFramebuffer.h"
+#include "WebGLRenderbuffer.h"
+#include "WebGLShaderPrecisionFormat.h"
+#include "WebGLTexture.h"
+#include "WebGLExtensions.h"
+#include "WebGLVertexArray.h"
+
+#include "nsString.h"
+#include "nsDebug.h"
+#include "nsReadableUtils.h"
+
+#include "gfxContext.h"
+#include "gfxPlatform.h"
+#include "GLContext.h"
+
+#include "nsContentUtils.h"
+#include "nsError.h"
+#include "nsLayoutUtils.h"
+
+#include "CanvasUtils.h"
+#include "gfxUtils.h"
+
+#include "jsfriendapi.h"
+
+#include "WebGLTexelConversions.h"
+#include "WebGLValidateStrings.h"
+#include <algorithm>
+
+// needed to check if current OS is lower than 10.7
+#if defined(MOZ_WIDGET_COCOA)
+#include "nsCocoaFeatures.h"
+#endif
+
+#include "mozilla/DebugOnly.h"
+#include "mozilla/dom/BindingUtils.h"
+#include "mozilla/dom/ImageData.h"
+#include "mozilla/dom/ToJSValue.h"
+#include "mozilla/EndianUtils.h"
+
+namespace mozilla {
+
+static bool
+IsValidTexTarget(WebGLContext* webgl, uint8_t funcDims, GLenum rawTexTarget,
+                 TexTarget* const out)
+{
+    uint8_t targetDims;
+
+    switch (rawTexTarget) {
+    case LOCAL_GL_TEXTURE_2D:
+    case LOCAL_GL_TEXTURE_CUBE_MAP:
+        targetDims = 2;
+        break;
+
+    case LOCAL_GL_TEXTURE_3D:
+    case LOCAL_GL_TEXTURE_2D_ARRAY:
+        if (!webgl->IsWebGL2())
+            return false;
+
+        targetDims = 3;
+        break;
+
+    default:
+        return false;
+    }
+
+    // Some funcs (like GenerateMipmap) doesn't know the dimension, so don't check it.
+    if (funcDims && targetDims != funcDims)
+        return false;
+
+    *out = rawTexTarget;
+    return true;
+}
+
+static bool
+IsValidTexImageTarget(WebGLContext* webgl, uint8_t funcDims, GLenum rawTexImageTarget,
+                      TexImageTarget* const out)
+{
+    uint8_t targetDims;
+
+    switch (rawTexImageTarget) {
+    case LOCAL_GL_TEXTURE_2D:
+    case LOCAL_GL_TEXTURE_CUBE_MAP_POSITIVE_X:
+    case LOCAL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
+    case LOCAL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
+    case LOCAL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
+    case LOCAL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
+    case LOCAL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
+        targetDims = 2;
+        break;
+
+    case LOCAL_GL_TEXTURE_3D:
+    case LOCAL_GL_TEXTURE_2D_ARRAY:
+        if (!webgl->IsWebGL2())
+            return false;
+
+        targetDims = 3;
+        break;
+
+    default:
+        return false;
+    }
+
+    if (targetDims != funcDims)
+        return false;
+
+    *out = rawTexImageTarget;
+    return true;
+}
+
+bool
+ValidateTexTarget(WebGLContext* webgl, const char* funcName, uint8_t funcDims,
+                  GLenum rawTexTarget, TexTarget* const out_texTarget,
+                  WebGLTexture** const out_tex)
+{
+    if (webgl->IsContextLost())
+        return false;
+
+    TexTarget texTarget;
+    if (!IsValidTexTarget(webgl, funcDims, rawTexTarget, &texTarget)) {
+        webgl->ErrorInvalidEnum("%s: Invalid texTarget.", funcName);
+        return false;
+    }
+
+    WebGLTexture* tex = webgl->ActiveBoundTextureForTarget(texTarget);
+    if (!tex) {
+        webgl->ErrorInvalidOperation("%s: No texture is bound to this target.", funcName);
+        return false;
+    }
+
+    *out_texTarget = texTarget;
+    *out_tex = tex;
+    return true;
+}
+
+bool
+ValidateTexImageTarget(WebGLContext* webgl, const char* funcName, uint8_t funcDims,
+                       GLenum rawTexImageTarget, TexImageTarget* const out_texImageTarget,
+                       WebGLTexture** const out_tex)
+{
+    if (webgl->IsContextLost())
+        return false;
+
+    TexImageTarget texImageTarget;
+    if (!IsValidTexImageTarget(webgl, funcDims, rawTexImageTarget, &texImageTarget)) {
+        webgl->ErrorInvalidEnum("%s: Invalid texImageTarget.", funcName);
+        return false;
+    }
+
+    WebGLTexture* tex = webgl->ActiveBoundTextureForTexImageTarget(texImageTarget);
+    if (!tex) {
+        webgl->ErrorInvalidOperation("%s: No texture is bound to this target.", funcName);
+        return false;
+    }
+
+    *out_texImageTarget = texImageTarget;
+    *out_tex = tex;
+    return true;
+}
+
+/*virtual*/ bool
+WebGLContext::IsTexParamValid(GLenum pname) const
+{
+    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:
+        return true;
+
+    case LOCAL_GL_TEXTURE_MAX_ANISOTROPY_EXT:
+        return IsExtensionEnabled(WebGLExtensionID::EXT_texture_filter_anisotropic);
+
+    default:
+        return false;
+    }
+}
+
+void
+WebGLContext::InvalidateResolveCacheForTextureWithTexUnit(const GLuint texUnit)
+{
+    if (mBound2DTextures[texUnit])
+        mBound2DTextures[texUnit]->InvalidateResolveCache();
+    if (mBoundCubeMapTextures[texUnit])
+        mBoundCubeMapTextures[texUnit]->InvalidateResolveCache();
+    if (mBound3DTextures[texUnit])
+        mBound3DTextures[texUnit]->InvalidateResolveCache();
+    if (mBound2DArrayTextures[texUnit])
+        mBound2DArrayTextures[texUnit]->InvalidateResolveCache();
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+// GL calls
+
+void
+WebGLContext::BindTexture(GLenum rawTarget, WebGLTexture* newTex)
+{
+    if (IsContextLost())
+        return;
+
+     if (newTex && !ValidateObject("bindTexture", *newTex))
+        return;
+
+    // Need to check rawTarget first before comparing against newTex->Target() as
+    // newTex->Target() returns a TexTarget, which will assert on invalid value.
+    WebGLRefPtr<WebGLTexture>* currentTexPtr = nullptr;
+    switch (rawTarget) {
+    case LOCAL_GL_TEXTURE_2D:
+        currentTexPtr = &mBound2DTextures[mActiveTexture];
+        break;
+
+   case LOCAL_GL_TEXTURE_CUBE_MAP:
+        currentTexPtr = &mBoundCubeMapTextures[mActiveTexture];
+        break;
+
+   case LOCAL_GL_TEXTURE_3D:
+        if (IsWebGL2())
+            currentTexPtr = &mBound3DTextures[mActiveTexture];
+        break;
+
+   case LOCAL_GL_TEXTURE_2D_ARRAY:
+        if (IsWebGL2())
+            currentTexPtr = &mBound2DArrayTextures[mActiveTexture];
+        break;
+    }
+
+    if (!currentTexPtr) {
+        ErrorInvalidEnumInfo("bindTexture: target", rawTarget);
+        return;
+    }
+
+    const TexTarget texTarget(rawTarget);
+
+    MakeContextCurrent();
+
+    if (newTex) {
+        if (!newTex->BindTexture(texTarget))
+            return;
+    } else {
+        gl->fBindTexture(texTarget.get(), 0);
+    }
+
+    *currentTexPtr = newTex;
+}
+
+void
+WebGLContext::GenerateMipmap(GLenum rawTexTarget)
+{
+    const char funcName[] = "generateMipmap";
+    const uint8_t funcDims = 0;
+
+    TexTarget texTarget;
+    WebGLTexture* tex;
+    if (!ValidateTexTarget(this, funcName, funcDims, rawTexTarget, &texTarget, &tex))
+        return;
+
+    tex->GenerateMipmap(texTarget);
+}
+
+JS::Value
+WebGLContext::GetTexParameter(GLenum rawTexTarget, GLenum pname)
+{
+    const char funcName[] = "getTexParameter";
+    const uint8_t funcDims = 0;
+
+    TexTarget texTarget;
+    WebGLTexture* tex;
+    if (!ValidateTexTarget(this, funcName, funcDims, rawTexTarget, &texTarget, &tex))
+        return JS::NullValue();
+
+    if (!IsTexParamValid(pname)) {
+        ErrorInvalidEnumInfo("getTexParameter: pname", pname);
+        return JS::NullValue();
+    }
+
+    return tex->GetTexParameter(texTarget, pname);
+}
+
+bool
+WebGLContext::IsTexture(WebGLTexture* tex)
+{
+    if (!ValidateIsObject("isTexture", tex))
+        return false;
+
+    return tex->IsTexture();
+}
+
+void
+WebGLContext::TexParameter_base(GLenum rawTexTarget, GLenum pname,
+                                const FloatOrInt& param)
+{
+    const char funcName[] = "texParameter";
+    const uint8_t funcDims = 0;
+
+    TexTarget texTarget;
+    WebGLTexture* tex;
+    if (!ValidateTexTarget(this, funcName, funcDims, rawTexTarget, &texTarget, &tex))
+        return;
+
+    tex->TexParameter(texTarget, pname, param);
+}
+
+//////////////////////////////////////////////////////////////////////////////////////////
+// Uploads
+
+void
+WebGLContext::CompressedTexImage(const char* funcName, uint8_t funcDims, GLenum rawTarget,
+                                 GLint level, GLenum internalFormat, GLsizei width,
+                                 GLsizei height, GLsizei depth, GLint border,
+                                 const TexImageSource& src)
+{
+    TexImageTarget target;
+    WebGLTexture* tex;
+    if (!ValidateTexImageTarget(this, funcName, funcDims, rawTarget, &target, &tex))
+        return;
+
+    tex->CompressedTexImage(funcName, target, level, internalFormat, width, height, depth,
+                            border, src);
+}
+
+void
+WebGLContext::CompressedTexSubImage(const char* funcName, uint8_t funcDims,
+                                    GLenum rawTarget, GLint level, GLint xOffset,
+                                    GLint yOffset, GLint zOffset, GLsizei width,
+                                    GLsizei height, GLsizei depth, GLenum unpackFormat,
+                                    const TexImageSource& src)
+{
+    TexImageTarget target;
+    WebGLTexture* tex;
+    if (!ValidateTexImageTarget(this, funcName, funcDims, rawTarget, &target, &tex))
+        return;
+
+    tex->CompressedTexSubImage(funcName, target, level, xOffset, yOffset, zOffset, width,
+                               height, depth, unpackFormat, src);
+}
+
+////
+
+void
+WebGLContext::CopyTexImage2D(GLenum rawTarget, GLint level, GLenum internalFormat,
+                             GLint x, GLint y, GLsizei width, GLsizei height,
+                             GLint border)
+{
+    const char funcName[] = "copyTexImage2D";
+    const uint8_t funcDims = 2;
+
+    TexImageTarget target;
+    WebGLTexture* tex;
+    if (!ValidateTexImageTarget(this, funcName, funcDims, rawTarget, &target, &tex))
+        return;
+
+    tex->CopyTexImage2D(target, level, internalFormat, x, y, width, height, border);
+}
+
+void
+WebGLContext::CopyTexSubImage(const char* funcName, uint8_t funcDims, GLenum rawTarget,
+                              GLint level, GLint xOffset, GLint yOffset, GLint zOffset,
+                              GLint x, GLint y, GLsizei width, GLsizei height)
+{
+    TexImageTarget target;
+    WebGLTexture* tex;
+    if (!ValidateTexImageTarget(this, funcName, funcDims, rawTarget, &target, &tex))
+        return;
+
+    tex->CopyTexSubImage(funcName, target, level, xOffset, yOffset, zOffset, x, y, width,
+                         height);
+}
+
+////
+
+void
+WebGLContext::TexImage(const char* funcName, uint8_t funcDims, GLenum rawTarget,
+                       GLint level, GLenum internalFormat, GLsizei width, GLsizei height,
+                       GLsizei depth, GLint border, GLenum unpackFormat,
+                       GLenum unpackType, const TexImageSource& src)
+{
+    TexImageTarget target;
+    WebGLTexture* tex;
+    if (!ValidateTexImageTarget(this, funcName, funcDims, rawTarget, &target, &tex))
+        return;
+
+    const webgl::PackingInfo pi = {unpackFormat, unpackType};
+    tex->TexImage(funcName, target, level, internalFormat, width, height, depth, border,
+                  pi, src);
+}
+
+void
+WebGLContext::TexSubImage(const char* funcName, uint8_t funcDims, GLenum rawTarget,
+                          GLint level, GLint xOffset, GLint yOffset, GLint zOffset,
+                          GLsizei width, GLsizei height, GLsizei depth,
+                          GLenum unpackFormat, GLenum unpackType,
+                          const TexImageSource& src)
+{
+    TexImageTarget target;
+    WebGLTexture* tex;
+    if (!ValidateTexImageTarget(this, funcName, funcDims, rawTarget, &target, &tex))
+        return;
+
+    const webgl::PackingInfo pi = {unpackFormat, unpackType};
+    tex->TexSubImage(funcName, target, level, xOffset, yOffset, zOffset, width, height,
+                     depth, pi, src);
+}
+
+} // namespace mozilla