Adding upstream version 115.8.0esr.upstream/115.8.0esr

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

1 files changed, 609 insertions, 0 deletions

diff --git a/gfx/angle/checkout/src/libANGLE/GLES1State.cpp b/gfx/angle/checkout/src/libANGLE/GLES1State.cpp
new file mode 100644
index 0000000000..17ad0de3ad
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/GLES1State.cpp
@@ -0,0 +1,609 @@
+//
+// Copyright 2018 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.
+//
+
+// GLES1State.cpp: Implements the GLES1State class, tracking state
+// for GLES1 contexts.
+
+#include "libANGLE/GLES1State.h"
+
+#include "libANGLE/Context.h"
+#include "libANGLE/GLES1Renderer.h"
+
+namespace gl
+{
+
+TextureCoordF::TextureCoordF() = default;
+
+TextureCoordF::TextureCoordF(float _s, float _t, float _r, float _q) : s(_s), t(_t), r(_r), q(_q) {}
+
+bool TextureCoordF::operator==(const TextureCoordF &other) const
+{
+    return s == other.s && t == other.t && r == other.r && q == other.q;
+}
+
+MaterialParameters::MaterialParameters() = default;
+
+LightModelParameters::LightModelParameters() = default;
+
+LightParameters::LightParameters() = default;
+
+LightParameters::LightParameters(const LightParameters &other) = default;
+
+FogParameters::FogParameters() = default;
+
+TextureEnvironmentParameters::TextureEnvironmentParameters() = default;
+
+TextureEnvironmentParameters::TextureEnvironmentParameters(
+    const TextureEnvironmentParameters &other) = default;
+
+PointParameters::PointParameters() = default;
+
+PointParameters::PointParameters(const PointParameters &other) = default;
+
+ClipPlaneParameters::ClipPlaneParameters() = default;
+
+ClipPlaneParameters::ClipPlaneParameters(bool enabled, const angle::Vector4 &equation)
+    : enabled(enabled), equation(equation)
+{}
+
+ClipPlaneParameters::ClipPlaneParameters(const ClipPlaneParameters &other) = default;
+
+ClipPlaneParameters &ClipPlaneParameters::operator=(const ClipPlaneParameters &other) = default;
+
+GLES1State::GLES1State()
+    : mGLState(nullptr),
+      mVertexArrayEnabled(false),
+      mNormalArrayEnabled(false),
+      mColorArrayEnabled(false),
+      mPointSizeArrayEnabled(false),
+      mLineSmoothEnabled(false),
+      mPointSmoothEnabled(false),
+      mPointSpriteEnabled(false),
+      mAlphaTestEnabled(false),
+      mLogicOpEnabled(false),
+      mLightingEnabled(false),
+      mFogEnabled(false),
+      mRescaleNormalEnabled(false),
+      mNormalizeEnabled(false),
+      mColorMaterialEnabled(false),
+      mReflectionMapEnabled(false),
+      mCurrentColor({0.0f, 0.0f, 0.0f, 0.0f}),
+      mCurrentNormal({0.0f, 0.0f, 0.0f}),
+      mClientActiveTexture(0),
+      mMatrixMode(MatrixType::Modelview),
+      mShadeModel(ShadingModel::Smooth),
+      mAlphaTestFunc(AlphaTestFunc::AlwaysPass),
+      mAlphaTestRef(0.0f),
+      mLogicOp(LogicalOperation::Copy),
+      mLineSmoothHint(HintSetting::DontCare),
+      mPointSmoothHint(HintSetting::DontCare),
+      mPerspectiveCorrectionHint(HintSetting::DontCare),
+      mFogHint(HintSetting::DontCare)
+{}
+
+GLES1State::~GLES1State() = default;
+
+// Taken from the GLES 1.x spec which specifies all initial state values.
+void GLES1State::initialize(const Context *context, const State *state)
+{
+    mGLState = state;
+
+    const Caps &caps = context->getCaps();
+
+    mTexUnitEnables.resize(caps.maxMultitextureUnits);
+    for (auto &enables : mTexUnitEnables)
+    {
+        enables.reset();
+    }
+
+    mVertexArrayEnabled    = false;
+    mNormalArrayEnabled    = false;
+    mColorArrayEnabled     = false;
+    mPointSizeArrayEnabled = false;
+    mTexCoordArrayEnabled.resize(caps.maxMultitextureUnits, false);
+
+    mLineSmoothEnabled    = false;
+    mPointSmoothEnabled   = false;
+    mPointSpriteEnabled   = false;
+    mLogicOpEnabled       = false;
+    mAlphaTestEnabled     = false;
+    mLightingEnabled      = false;
+    mFogEnabled           = false;
+    mRescaleNormalEnabled = false;
+    mNormalizeEnabled     = false;
+    mColorMaterialEnabled = false;
+    mReflectionMapEnabled = false;
+
+    mMatrixMode = MatrixType::Modelview;
+
+    mCurrentColor  = {1.0f, 1.0f, 1.0f, 1.0f};
+    mCurrentNormal = {0.0f, 0.0f, 1.0f};
+    mCurrentTextureCoords.resize(caps.maxMultitextureUnits);
+    mClientActiveTexture = 0;
+
+    mTextureEnvironments.resize(caps.maxMultitextureUnits);
+
+    mModelviewMatrices.push_back(angle::Mat4());
+    mProjectionMatrices.push_back(angle::Mat4());
+    mTextureMatrices.resize(caps.maxMultitextureUnits);
+    for (auto &stack : mTextureMatrices)
+    {
+        stack.push_back(angle::Mat4());
+    }
+
+    mMaterial.ambient  = {0.2f, 0.2f, 0.2f, 1.0f};
+    mMaterial.diffuse  = {0.8f, 0.8f, 0.8f, 1.0f};
+    mMaterial.specular = {0.0f, 0.0f, 0.0f, 1.0f};
+    mMaterial.emissive = {0.0f, 0.0f, 0.0f, 1.0f};
+
+    mMaterial.specularExponent = 0.0f;
+
+    mLightModel.color    = {0.2f, 0.2f, 0.2f, 1.0f};
+    mLightModel.twoSided = false;
+
+    mLights.resize(caps.maxLights);
+
+    // GL_LIGHT0 is special and has default state that avoids all-black renderings.
+    mLights[0].diffuse  = {1.0f, 1.0f, 1.0f, 1.0f};
+    mLights[0].specular = {1.0f, 1.0f, 1.0f, 1.0f};
+
+    mFog.mode    = FogMode::Exp;
+    mFog.density = 1.0f;
+    mFog.start   = 0.0f;
+    mFog.end     = 1.0f;
+
+    mFog.color = {0.0f, 0.0f, 0.0f, 0.0f};
+
+    mShadeModel = ShadingModel::Smooth;
+
+    mAlphaTestFunc = AlphaTestFunc::AlwaysPass;
+    mAlphaTestRef  = 0.0f;
+
+    mLogicOp = LogicalOperation::Copy;
+
+    mClipPlanes.resize(caps.maxClipPlanes,
+                       ClipPlaneParameters(false, angle::Vector4(0.0f, 0.0f, 0.0f, 0.0f)));
+
+    mLineSmoothHint            = HintSetting::DontCare;
+    mPointSmoothHint           = HintSetting::DontCare;
+    mPerspectiveCorrectionHint = HintSetting::DontCare;
+    mFogHint                   = HintSetting::DontCare;
+
+    // The user-specified point size, GL_POINT_SIZE_MAX,
+    // is initially equal to the implementation maximum.
+    mPointParameters.pointSizeMax = caps.maxAliasedPointSize;
+
+    mDirtyBits.set();
+}
+
+void GLES1State::setAlphaFunc(AlphaTestFunc func, GLfloat ref)
+{
+    setDirty(DIRTY_GLES1_ALPHA_TEST);
+    mAlphaTestFunc = func;
+    mAlphaTestRef  = ref;
+}
+
+void GLES1State::setClientTextureUnit(unsigned int unit)
+{
+    setDirty(DIRTY_GLES1_CLIENT_ACTIVE_TEXTURE);
+    mClientActiveTexture = unit;
+}
+
+unsigned int GLES1State::getClientTextureUnit() const
+{
+    return mClientActiveTexture;
+}
+
+void GLES1State::setCurrentColor(const ColorF &color)
+{
+    setDirty(DIRTY_GLES1_CURRENT_VECTOR);
+    mCurrentColor = color;
+
+    // > When enabled, both the ambient (acm) and diffuse (dcm) properties of both the front and
+    // > back material are immediately set to the value of the current color, and will track changes
+    // > to the current color resulting from either the Color commands or drawing vertex arrays with
+    // > the color array enabled.
+    // > The replacements made to material properties are permanent; the replaced values remain
+    // > until changed by either sending a new color or by setting a new material value when
+    // > COLOR_MATERIAL is not currently enabled, to override that particular value.
+    if (isColorMaterialEnabled())
+    {
+        mMaterial.ambient = color;
+        mMaterial.diffuse = color;
+    }
+}
+
+const ColorF &GLES1State::getCurrentColor() const
+{
+    return mCurrentColor;
+}
+
+void GLES1State::setCurrentNormal(const angle::Vector3 &normal)
+{
+    setDirty(DIRTY_GLES1_CURRENT_VECTOR);
+    mCurrentNormal = normal;
+}
+
+const angle::Vector3 &GLES1State::getCurrentNormal() const
+{
+    return mCurrentNormal;
+}
+
+bool GLES1State::shouldHandleDirtyProgram()
+{
+    bool ret = isDirty(DIRTY_GLES1_PROGRAM);
+    clearDirtyBits(DIRTY_GLES1_PROGRAM);
+    return ret;
+}
+
+void GLES1State::setCurrentTextureCoords(unsigned int unit, const TextureCoordF &coords)
+{
+    setDirty(DIRTY_GLES1_CURRENT_VECTOR);
+    mCurrentTextureCoords[unit] = coords;
+}
+
+const TextureCoordF &GLES1State::getCurrentTextureCoords(unsigned int unit) const
+{
+    return mCurrentTextureCoords[unit];
+}
+
+void GLES1State::setMatrixMode(MatrixType mode)
+{
+    setDirty(DIRTY_GLES1_MATRICES);
+    mMatrixMode = mode;
+}
+
+MatrixType GLES1State::getMatrixMode() const
+{
+    return mMatrixMode;
+}
+
+GLint GLES1State::getCurrentMatrixStackDepth(GLenum queryType) const
+{
+    switch (queryType)
+    {
+        case GL_MODELVIEW_STACK_DEPTH:
+            return clampCast<GLint>(mModelviewMatrices.size());
+        case GL_PROJECTION_STACK_DEPTH:
+            return clampCast<GLint>(mProjectionMatrices.size());
+        case GL_TEXTURE_STACK_DEPTH:
+            return clampCast<GLint>(mTextureMatrices[mGLState->getActiveSampler()].size());
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+void GLES1State::pushMatrix()
+{
+    setDirty(DIRTY_GLES1_MATRICES);
+    auto &stack = currentMatrixStack();
+    stack.push_back(stack.back());
+}
+
+void GLES1State::popMatrix()
+{
+    setDirty(DIRTY_GLES1_MATRICES);
+    auto &stack = currentMatrixStack();
+    stack.pop_back();
+}
+
+GLES1State::MatrixStack &GLES1State::currentMatrixStack()
+{
+    setDirty(DIRTY_GLES1_MATRICES);
+    switch (mMatrixMode)
+    {
+        case MatrixType::Modelview:
+            return mModelviewMatrices;
+        case MatrixType::Projection:
+            return mProjectionMatrices;
+        case MatrixType::Texture:
+            return mTextureMatrices[mGLState->getActiveSampler()];
+        default:
+            UNREACHABLE();
+            return mModelviewMatrices;
+    }
+}
+
+const angle::Mat4 &GLES1State::getModelviewMatrix() const
+{
+    return mModelviewMatrices.back();
+}
+
+const GLES1State::MatrixStack &GLES1State::getMatrixStack(MatrixType mode) const
+{
+    switch (mode)
+    {
+        case MatrixType::Modelview:
+            return mModelviewMatrices;
+        case MatrixType::Projection:
+            return mProjectionMatrices;
+        case MatrixType::Texture:
+            return mTextureMatrices[mGLState->getActiveSampler()];
+        default:
+            UNREACHABLE();
+            return mModelviewMatrices;
+    }
+}
+
+const GLES1State::MatrixStack &GLES1State::currentMatrixStack() const
+{
+    return getMatrixStack(mMatrixMode);
+}
+
+void GLES1State::loadMatrix(const angle::Mat4 &m)
+{
+    setDirty(DIRTY_GLES1_MATRICES);
+    currentMatrixStack().back() = m;
+}
+
+void GLES1State::multMatrix(const angle::Mat4 &m)
+{
+    setDirty(DIRTY_GLES1_MATRICES);
+    angle::Mat4 currentMatrix   = currentMatrixStack().back();
+    currentMatrixStack().back() = currentMatrix.product(m);
+}
+
+void GLES1State::setLogicOpEnabled(bool enabled)
+{
+    setDirty(DIRTY_GLES1_LOGIC_OP);
+    mLogicOpEnabled = enabled;
+}
+
+void GLES1State::setLogicOp(LogicalOperation opcodePacked)
+{
+    setDirty(DIRTY_GLES1_LOGIC_OP);
+    mLogicOp = opcodePacked;
+}
+
+void GLES1State::setClientStateEnabled(ClientVertexArrayType clientState, bool enable)
+{
+    setDirty(DIRTY_GLES1_CLIENT_STATE_ENABLE);
+    switch (clientState)
+    {
+        case ClientVertexArrayType::Vertex:
+            mVertexArrayEnabled = enable;
+            break;
+        case ClientVertexArrayType::Normal:
+            mNormalArrayEnabled = enable;
+            break;
+        case ClientVertexArrayType::Color:
+            mColorArrayEnabled = enable;
+            break;
+        case ClientVertexArrayType::PointSize:
+            mPointSizeArrayEnabled = enable;
+            break;
+        case ClientVertexArrayType::TextureCoord:
+            mTexCoordArrayEnabled[mClientActiveTexture] = enable;
+            break;
+        default:
+            UNREACHABLE();
+            break;
+    }
+}
+
+void GLES1State::setTexCoordArrayEnabled(unsigned int unit, bool enable)
+{
+    setDirty(DIRTY_GLES1_CLIENT_STATE_ENABLE);
+    mTexCoordArrayEnabled[unit] = enable;
+}
+
+bool GLES1State::isClientStateEnabled(ClientVertexArrayType clientState) const
+{
+    switch (clientState)
+    {
+        case ClientVertexArrayType::Vertex:
+            return mVertexArrayEnabled;
+        case ClientVertexArrayType::Normal:
+            return mNormalArrayEnabled;
+        case ClientVertexArrayType::Color:
+            return mColorArrayEnabled;
+        case ClientVertexArrayType::PointSize:
+            return mPointSizeArrayEnabled;
+        case ClientVertexArrayType::TextureCoord:
+            return mTexCoordArrayEnabled[mClientActiveTexture];
+        default:
+            UNREACHABLE();
+            return false;
+    }
+}
+
+bool GLES1State::isTexCoordArrayEnabled(unsigned int unit) const
+{
+    ASSERT(unit < mTexCoordArrayEnabled.size());
+    return mTexCoordArrayEnabled[unit];
+}
+
+bool GLES1State::isTextureTargetEnabled(unsigned int unit, const TextureType type) const
+{
+    if (mTexUnitEnables.empty())
+    {
+        return false;
+    }
+    return mTexUnitEnables[unit].test(type);
+}
+
+LightModelParameters &GLES1State::lightModelParameters()
+{
+    setDirty(DIRTY_GLES1_LIGHTS);
+    return mLightModel;
+}
+
+const LightModelParameters &GLES1State::lightModelParameters() const
+{
+    return mLightModel;
+}
+
+LightParameters &GLES1State::lightParameters(unsigned int light)
+{
+    setDirty(DIRTY_GLES1_LIGHTS);
+    return mLights[light];
+}
+
+const LightParameters &GLES1State::lightParameters(unsigned int light) const
+{
+    return mLights[light];
+}
+
+MaterialParameters &GLES1State::materialParameters()
+{
+    setDirty(DIRTY_GLES1_MATERIAL);
+    return mMaterial;
+}
+
+const MaterialParameters &GLES1State::materialParameters() const
+{
+    return mMaterial;
+}
+
+bool GLES1State::isColorMaterialEnabled() const
+{
+    return mColorMaterialEnabled;
+}
+
+void GLES1State::setShadeModel(ShadingModel model)
+{
+    setDirty(DIRTY_GLES1_SHADE_MODEL);
+    mShadeModel = model;
+}
+
+void GLES1State::setClipPlane(unsigned int plane, const GLfloat *equation)
+{
+    setDirty(DIRTY_GLES1_CLIP_PLANES);
+    assert(plane < mClipPlanes.size());
+    mClipPlanes[plane].equation[0] = equation[0];
+    mClipPlanes[plane].equation[1] = equation[1];
+    mClipPlanes[plane].equation[2] = equation[2];
+    mClipPlanes[plane].equation[3] = equation[3];
+}
+
+void GLES1State::getClipPlane(unsigned int plane, GLfloat *equation) const
+{
+    assert(plane < mClipPlanes.size());
+    equation[0] = mClipPlanes[plane].equation[0];
+    equation[1] = mClipPlanes[plane].equation[1];
+    equation[2] = mClipPlanes[plane].equation[2];
+    equation[3] = mClipPlanes[plane].equation[3];
+}
+
+FogParameters &GLES1State::fogParameters()
+{
+    setDirty(DIRTY_GLES1_FOG);
+    return mFog;
+}
+
+const FogParameters &GLES1State::fogParameters() const
+{
+    return mFog;
+}
+
+TextureEnvironmentParameters &GLES1State::textureEnvironment(unsigned int unit)
+{
+    setDirty(DIRTY_GLES1_TEXTURE_ENVIRONMENT);
+    assert(unit < mTextureEnvironments.size());
+    return mTextureEnvironments[unit];
+}
+
+const TextureEnvironmentParameters &GLES1State::textureEnvironment(unsigned int unit) const
+{
+    assert(unit < mTextureEnvironments.size());
+    return mTextureEnvironments[unit];
+}
+
+bool operator==(const TextureEnvironmentParameters &a, const TextureEnvironmentParameters &b)
+{
+    return a.tie() == b.tie();
+}
+
+bool operator!=(const TextureEnvironmentParameters &a, const TextureEnvironmentParameters &b)
+{
+    return !(a == b);
+}
+
+PointParameters &GLES1State::pointParameters()
+{
+    setDirty(DIRTY_GLES1_POINT_PARAMETERS);
+    return mPointParameters;
+}
+
+const PointParameters &GLES1State::pointParameters() const
+{
+    return mPointParameters;
+}
+
+AttributesMask GLES1State::getVertexArraysAttributeMask() const
+{
+    AttributesMask attribsMask;
+
+    ClientVertexArrayType nonTexcoordArrays[] = {
+        ClientVertexArrayType::Vertex,
+        ClientVertexArrayType::Normal,
+        ClientVertexArrayType::Color,
+        ClientVertexArrayType::PointSize,
+    };
+
+    for (const ClientVertexArrayType attrib : nonTexcoordArrays)
+    {
+        attribsMask.set(GLES1Renderer::VertexArrayIndex(attrib, *this),
+                        isClientStateEnabled(attrib));
+    }
+
+    for (unsigned int i = 0; i < kTexUnitCount; i++)
+    {
+        attribsMask.set(GLES1Renderer::TexCoordArrayIndex(i), isTexCoordArrayEnabled(i));
+    }
+
+    return attribsMask;
+}
+
+AttributesMask GLES1State::getActiveAttributesMask() const
+{
+    // The program always has 8 attributes enabled.
+    return AttributesMask(0xFF);
+}
+
+void GLES1State::setHint(GLenum target, GLenum mode)
+{
+    setDirty(DIRTY_GLES1_HINT_SETTING);
+    HintSetting setting = FromGLenum<HintSetting>(mode);
+    switch (target)
+    {
+        case GL_PERSPECTIVE_CORRECTION_HINT:
+            mPerspectiveCorrectionHint = setting;
+            break;
+        case GL_POINT_SMOOTH_HINT:
+            mPointSmoothHint = setting;
+            break;
+        case GL_LINE_SMOOTH_HINT:
+            mLineSmoothHint = setting;
+            break;
+        case GL_FOG_HINT:
+            mFogHint = setting;
+            break;
+        default:
+            UNREACHABLE();
+    }
+}
+
+GLenum GLES1State::getHint(GLenum target) const
+{
+    switch (target)
+    {
+        case GL_PERSPECTIVE_CORRECTION_HINT:
+            return ToGLenum(mPerspectiveCorrectionHint);
+        case GL_POINT_SMOOTH_HINT:
+            return ToGLenum(mPointSmoothHint);
+        case GL_LINE_SMOOTH_HINT:
+            return ToGLenum(mLineSmoothHint);
+        case GL_FOG_HINT:
+            return ToGLenum(mFogHint);
+        default:
+            UNREACHABLE();
+            return 0;
+    }
+}
+
+}  // namespace gl