Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 416 insertions, 0 deletions

diff --git a/gfx/angle/checkout/src/libANGLE/Config.cpp b/gfx/angle/checkout/src/libANGLE/Config.cpp
new file mode 100644
index 0000000000..127480db1f
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/Config.cpp
@@ -0,0 +1,416 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// Config.cpp: Implements the egl::Config class, describing the format, type
+// and size for an egl::Surface. Implements EGLConfig and related functionality.
+// [EGL 1.5] section 3.4 page 19.
+
+#include "libANGLE/Config.h"
+#include "libANGLE/AttributeMap.h"
+
+#include <algorithm>
+#include <vector>
+
+#include <EGL/eglext.h>
+#include "angle_gl.h"
+
+#include "common/debug.h"
+
+namespace egl
+{
+
+Config::Config()
+    : renderTargetFormat(GL_NONE),
+      depthStencilFormat(GL_NONE),
+      bufferSize(0),
+      redSize(0),
+      greenSize(0),
+      blueSize(0),
+      luminanceSize(0),
+      alphaSize(0),
+      alphaMaskSize(0),
+      bindToTextureRGB(EGL_FALSE),
+      bindToTextureRGBA(EGL_FALSE),
+      bindToTextureTarget(EGL_TEXTURE_2D),
+      colorBufferType(EGL_RGB_BUFFER),
+      configCaveat(EGL_NONE),
+      configID(0),
+      conformant(0),
+      depthSize(0),
+      level(0),
+      matchNativePixmap(EGL_FALSE),
+      maxPBufferWidth(0),
+      maxPBufferHeight(0),
+      maxPBufferPixels(0),
+      maxSwapInterval(0),
+      minSwapInterval(0),
+      nativeRenderable(EGL_FALSE),
+      nativeVisualID(0),
+      nativeVisualType(0),
+      renderableType(0),
+      sampleBuffers(0),
+      samples(0),
+      stencilSize(0),
+      surfaceType(0),
+      transparentType(EGL_NONE),
+      transparentRedValue(0),
+      transparentGreenValue(0),
+      transparentBlueValue(0),
+      optimalOrientation(0),
+      colorComponentType(EGL_COLOR_COMPONENT_TYPE_FIXED_EXT),
+      recordable(EGL_FALSE),
+      framebufferTarget(EGL_FALSE),  // TODO: http://anglebug.com/4208
+      yInverted(EGL_FALSE)
+{}
+
+Config::~Config() {}
+
+Config::Config(const Config &other) = default;
+
+Config &Config::operator=(const Config &other) = default;
+
+ConfigSet::ConfigSet() = default;
+
+ConfigSet::ConfigSet(const ConfigSet &other) = default;
+
+ConfigSet &ConfigSet::operator=(const ConfigSet &other) = default;
+
+ConfigSet::~ConfigSet() = default;
+
+EGLint ConfigSet::add(const Config &config)
+{
+    // Set the config's ID to a small number that starts at 1 ([EGL 1.5] section 3.4)
+    EGLint id = static_cast<EGLint>(mConfigs.size()) + 1;
+
+    Config copyConfig(config);
+    copyConfig.configID = id;
+    mConfigs.insert(std::make_pair(id, copyConfig));
+
+    return id;
+}
+
+const Config &ConfigSet::get(EGLint id) const
+{
+    ASSERT(mConfigs.find(id) != mConfigs.end());
+    return mConfigs.find(id)->second;
+}
+
+void ConfigSet::clear()
+{
+    mConfigs.clear();
+}
+
+size_t ConfigSet::size() const
+{
+    return mConfigs.size();
+}
+
+bool ConfigSet::contains(const Config *config) const
+{
+    for (auto i = mConfigs.begin(); i != mConfigs.end(); i++)
+    {
+        const Config &item = i->second;
+        if (config == &item)
+        {
+            return true;
+        }
+    }
+
+    return false;
+}
+
+// Function object used by STL sorting routines for ordering Configs according to [EGL 1.5]
+// section 3.4.1.2 page 28.
+class ConfigSorter
+{
+  public:
+    explicit ConfigSorter(const AttributeMap &attributeMap)
+        : mWantRed(false),
+          mWantGreen(false),
+          mWantBlue(false),
+          mWantAlpha(false),
+          mWantLuminance(false)
+    {
+        scanForWantedComponents(attributeMap);
+    }
+
+    bool operator()(const Config *x, const Config *y) const { return (*this)(*x, *y); }
+
+    bool operator()(const Config &x, const Config &y) const
+    {
+#define SORT(attribute)                       \
+    do                                        \
+    {                                         \
+        if (x.attribute != y.attribute)       \
+            return x.attribute < y.attribute; \
+    } while (0)
+
+        static_assert(EGL_NONE < EGL_SLOW_CONFIG && EGL_SLOW_CONFIG < EGL_NON_CONFORMANT_CONFIG,
+                      "Unexpected EGL enum value.");
+        SORT(configCaveat);
+
+        static_assert(EGL_COLOR_COMPONENT_TYPE_FIXED_EXT < EGL_COLOR_COMPONENT_TYPE_FLOAT_EXT,
+                      "Unexpected order of EGL enums.");
+        SORT(colorComponentType);
+
+        static_assert(EGL_RGB_BUFFER < EGL_LUMINANCE_BUFFER, "Unexpected EGL enum value.");
+        SORT(colorBufferType);
+
+        // By larger total number of color bits, only considering those that are requested to be >
+        // 0.
+        EGLint xComponentsSize = wantedComponentsSize(x);
+        EGLint yComponentsSize = wantedComponentsSize(y);
+        if (xComponentsSize != yComponentsSize)
+        {
+            return xComponentsSize > yComponentsSize;
+        }
+
+        SORT(bufferSize);
+        SORT(sampleBuffers);
+        SORT(samples);
+        SORT(depthSize);
+        SORT(stencilSize);
+        SORT(alphaMaskSize);
+        SORT(nativeVisualType);
+        SORT(configID);
+
+#undef SORT
+
+        return false;
+    }
+
+  private:
+    static bool wantsComponent(const AttributeMap &attributeMap, EGLAttrib component)
+    {
+        // [EGL 1.5] section 3.4.1.2 page 30
+        // Sorting rule #3: by larger total number of color bits, not considering
+        // components that are 0 or don't-care.
+        EGLAttrib value = attributeMap.get(component, 0);
+        return value != 0 && value != EGL_DONT_CARE;
+    }
+
+    void scanForWantedComponents(const AttributeMap &attributeMap)
+    {
+        mWantRed       = wantsComponent(attributeMap, EGL_RED_SIZE);
+        mWantGreen     = wantsComponent(attributeMap, EGL_GREEN_SIZE);
+        mWantBlue      = wantsComponent(attributeMap, EGL_BLUE_SIZE);
+        mWantAlpha     = wantsComponent(attributeMap, EGL_ALPHA_SIZE);
+        mWantLuminance = wantsComponent(attributeMap, EGL_LUMINANCE_SIZE);
+    }
+
+    EGLint wantedComponentsSize(const Config &config) const
+    {
+        EGLint total = 0;
+
+        if (mWantRed)
+            total += config.redSize;
+        if (mWantGreen)
+            total += config.greenSize;
+        if (mWantBlue)
+            total += config.blueSize;
+        if (mWantAlpha)
+            total += config.alphaSize;
+        if (mWantLuminance)
+            total += config.luminanceSize;
+
+        return total;
+    }
+
+    bool mWantRed;
+    bool mWantGreen;
+    bool mWantBlue;
+    bool mWantAlpha;
+    bool mWantLuminance;
+};
+
+std::vector<const Config *> ConfigSet::filter(const AttributeMap &attributeMap) const
+{
+    std::vector<const Config *> result;
+    result.reserve(mConfigs.size());
+
+    for (auto configIter = mConfigs.begin(); configIter != mConfigs.end(); configIter++)
+    {
+        const Config &config = configIter->second;
+        bool match           = true;
+
+        for (auto attribIter = attributeMap.begin(); attribIter != attributeMap.end(); attribIter++)
+        {
+            EGLAttrib attributeKey   = attribIter->first;
+            EGLAttrib attributeValue = attribIter->second;
+
+            if (attributeValue == EGL_DONT_CARE)
+            {
+                continue;
+            }
+
+            switch (attributeKey)
+            {
+                case EGL_BUFFER_SIZE:
+                    match = config.bufferSize >= attributeValue;
+                    break;
+                case EGL_ALPHA_SIZE:
+                    match = config.alphaSize >= attributeValue;
+                    break;
+                case EGL_BLUE_SIZE:
+                    match = config.blueSize >= attributeValue;
+                    break;
+                case EGL_GREEN_SIZE:
+                    match = config.greenSize >= attributeValue;
+                    break;
+                case EGL_RED_SIZE:
+                    match = config.redSize >= attributeValue;
+                    break;
+                case EGL_DEPTH_SIZE:
+                    match = config.depthSize >= attributeValue;
+                    break;
+                case EGL_STENCIL_SIZE:
+                    match = config.stencilSize >= attributeValue;
+                    break;
+                case EGL_CONFIG_CAVEAT:
+                    match = config.configCaveat == static_cast<EGLenum>(attributeValue);
+                    break;
+                case EGL_CONFIG_ID:
+                    match = config.configID == attributeValue;
+                    break;
+                case EGL_LEVEL:
+                    match = config.level == attributeValue;
+                    break;
+                case EGL_NATIVE_RENDERABLE:
+                    match = config.nativeRenderable == static_cast<EGLBoolean>(attributeValue);
+                    break;
+                case EGL_NATIVE_VISUAL_TYPE:
+                    match = config.nativeVisualType == attributeValue;
+                    break;
+                case EGL_SAMPLES:
+                    match = config.samples >= attributeValue;
+                    break;
+                case EGL_SAMPLE_BUFFERS:
+                    match = config.sampleBuffers >= attributeValue;
+                    break;
+                case EGL_SURFACE_TYPE:
+                    match = (config.surfaceType & attributeValue) == attributeValue;
+                    break;
+                case EGL_TRANSPARENT_TYPE:
+                    match = config.transparentType == static_cast<EGLenum>(attributeValue);
+                    break;
+                case EGL_TRANSPARENT_BLUE_VALUE:
+                    if (attributeMap.get(EGL_TRANSPARENT_TYPE, EGL_NONE) != EGL_NONE)
+                    {
+                        match = config.transparentBlueValue == attributeValue;
+                    }
+                    break;
+                case EGL_TRANSPARENT_GREEN_VALUE:
+                    if (attributeMap.get(EGL_TRANSPARENT_TYPE, EGL_NONE) != EGL_NONE)
+                    {
+                        match = config.transparentGreenValue == attributeValue;
+                    }
+                    break;
+                case EGL_TRANSPARENT_RED_VALUE:
+                    if (attributeMap.get(EGL_TRANSPARENT_TYPE, EGL_NONE) != EGL_NONE)
+                    {
+                        match = config.transparentRedValue == attributeValue;
+                    }
+                    break;
+                case EGL_BIND_TO_TEXTURE_RGB:
+                    match = config.bindToTextureRGB == static_cast<EGLBoolean>(attributeValue);
+                    break;
+                case EGL_BIND_TO_TEXTURE_RGBA:
+                    match = config.bindToTextureRGBA == static_cast<EGLBoolean>(attributeValue);
+                    break;
+                case EGL_BIND_TO_TEXTURE_TARGET_ANGLE:
+                    match = config.bindToTextureTarget == static_cast<EGLenum>(attributeValue);
+                    break;
+                case EGL_MIN_SWAP_INTERVAL:
+                    match = config.minSwapInterval == attributeValue;
+                    break;
+                case EGL_MAX_SWAP_INTERVAL:
+                    match = config.maxSwapInterval == attributeValue;
+                    break;
+                case EGL_LUMINANCE_SIZE:
+                    match = config.luminanceSize >= attributeValue;
+                    break;
+                case EGL_ALPHA_MASK_SIZE:
+                    match = config.alphaMaskSize >= attributeValue;
+                    break;
+                case EGL_COLOR_BUFFER_TYPE:
+                    match = config.colorBufferType == static_cast<EGLenum>(attributeValue);
+                    break;
+                case EGL_RENDERABLE_TYPE:
+                    match = (config.renderableType & attributeValue) == attributeValue;
+                    break;
+                case EGL_MATCH_NATIVE_PIXMAP:
+                    match = false;
+                    UNIMPLEMENTED();
+                    break;
+                case EGL_CONFORMANT:
+                    match = (config.conformant & attributeValue) == attributeValue;
+                    break;
+                case EGL_MAX_PBUFFER_WIDTH:
+                    match = config.maxPBufferWidth >= attributeValue;
+                    break;
+                case EGL_MAX_PBUFFER_HEIGHT:
+                    match = config.maxPBufferHeight >= attributeValue;
+                    break;
+                case EGL_MAX_PBUFFER_PIXELS:
+                    match = config.maxPBufferPixels >= attributeValue;
+                    break;
+                case EGL_OPTIMAL_SURFACE_ORIENTATION_ANGLE:
+                    match = config.optimalOrientation == attributeValue;
+                    break;
+                case EGL_COLOR_COMPONENT_TYPE_EXT:
+                    match = config.colorComponentType == static_cast<EGLenum>(attributeValue);
+                    break;
+                case EGL_RECORDABLE_ANDROID:
+                    match = config.recordable == static_cast<EGLBoolean>(attributeValue);
+                    break;
+                case EGL_FRAMEBUFFER_TARGET_ANDROID:
+                    match = config.framebufferTarget == static_cast<EGLBoolean>(attributeValue);
+                    break;
+                case EGL_Y_INVERTED_NOK:
+                    match = config.yInverted == static_cast<EGLBoolean>(attributeValue);
+                    break;
+                case EGL_MATCH_FORMAT_KHR:
+                    if (attributeValue == EGL_NONE)
+                    {
+                        match = (config.surfaceType & EGL_LOCK_SURFACE_BIT_KHR) == 0;
+                    }
+                    else
+                    {
+                        match = config.matchFormat == attributeValue;
+                    }
+                    break;
+                default:
+                    UNREACHABLE();
+            }
+
+            if (!match)
+            {
+                break;
+            }
+        }
+
+        if (match)
+        {
+            result.push_back(&config);
+        }
+    }
+
+    // Sort the result
+    std::sort(result.begin(), result.end(), ConfigSorter(attributeMap));
+
+    return result;
+}
+
+ConfigSet::ConfigMap::iterator ConfigSet::begin()
+{
+    return mConfigs.begin();
+}
+
+ConfigSet::ConfigMap::iterator ConfigSet::end()
+{
+    return mConfigs.end();
+}
+}  // namespace egl