Adding upstream version 110.0.1.upstream/110.0.1upstream

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

1 files changed, 255 insertions, 0 deletions

diff --git a/gfx/layers/opengl/OGLShaderConfig.h b/gfx/layers/opengl/OGLShaderConfig.h
new file mode 100644
index 0000000000..f7c939aa98
--- /dev/null
+++ b/gfx/layers/opengl/OGLShaderConfig.h
@@ -0,0 +1,255 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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/. */
+
+#ifndef GFX_OGLSHADERCONFIG_H
+#define GFX_OGLSHADERCONFIG_H
+
+#include "gfxTypes.h"
+#include "ImageTypes.h"
+#include "mozilla/Assertions.h"  // for MOZ_ASSERT, etc
+#include "mozilla/RefPtr.h"      // for RefPtr
+#include "mozilla/gfx/Matrix.h"  // for Matrix4x4
+#include "mozilla/gfx/Rect.h"    // for Rect
+#include "mozilla/gfx/Types.h"
+#include "nsDebug.h"   // for NS_ASSERTION
+#include "nsPoint.h"   // for nsIntPoint
+#include "nsTArray.h"  // for nsTArray
+#include "mozilla/layers/CompositorTypes.h"
+
+namespace mozilla {
+namespace layers {
+
+enum ShaderFeatures {
+  ENABLE_RENDER_COLOR = 0x01,
+  ENABLE_TEXTURE_RECT = 0x02,
+  ENABLE_TEXTURE_EXTERNAL = 0x04,
+  ENABLE_TEXTURE_YCBCR = 0x08,
+  ENABLE_TEXTURE_NV12 = 0x10,
+  ENABLE_TEXTURE_COMPONENT_ALPHA = 0x20,
+  ENABLE_TEXTURE_NO_ALPHA = 0x40,
+  ENABLE_TEXTURE_RB_SWAP = 0x80,
+  ENABLE_OPACITY = 0x100,
+  ENABLE_BLUR = 0x200,
+  ENABLE_COLOR_MATRIX = 0x400,
+  ENABLE_MASK = 0x800,
+  ENABLE_NO_PREMUL_ALPHA = 0x1000,
+  ENABLE_DEAA = 0x2000,
+  ENABLE_DYNAMIC_GEOMETRY = 0x4000,
+  ENABLE_MASK_TEXTURE_RECT = 0x8000,
+  ENABLE_TEXTURE_NV12_GA_SWITCH = 0x10000,
+};
+
+class KnownUniform {
+ public:
+  // this needs to be kept in sync with strings in 'AddUniforms'
+  enum KnownUniformName {
+    NotAKnownUniform = -1,
+
+    LayerTransform = 0,
+    LayerTransformInverse,
+    MaskTransform,
+    BackdropTransform,
+    LayerRects,
+    MatrixProj,
+    TextureTransform,
+    TextureRects,
+    RenderTargetOffset,
+    LayerOpacity,
+    Texture,
+    YTexture,
+    CbTexture,
+    CrTexture,
+    RenderColor,
+    TexCoordMultiplier,
+    CbCrTexCoordMultiplier,
+    SSEdges,
+    ViewportSize,
+    VisibleCenter,
+    YuvColorMatrix,
+    YuvOffsetVector,
+
+    KnownUniformCount
+  };
+
+  KnownUniform() {
+    mName = NotAKnownUniform;
+    mNameString = nullptr;
+    mLocation = -1;
+    memset(&mValue, 0, sizeof(mValue));
+  }
+
+  bool UpdateUniform(int32_t i1) {
+    if (mLocation == -1) return false;
+    if (mValue.i1 != i1) {
+      mValue.i1 = i1;
+      return true;
+    }
+    return false;
+  }
+
+  bool UpdateUniform(float f1) {
+    if (mLocation == -1) return false;
+    if (mValue.f1 != f1) {
+      mValue.f1 = f1;
+      return true;
+    }
+    return false;
+  }
+
+  bool UpdateUniform(float f1, float f2) {
+    if (mLocation == -1) return false;
+    if (mValue.f16v[0] != f1 || mValue.f16v[1] != f2) {
+      mValue.f16v[0] = f1;
+      mValue.f16v[1] = f2;
+      return true;
+    }
+    return false;
+  }
+
+  bool UpdateUniform(float f1, float f2, float f3, float f4) {
+    if (mLocation == -1) return false;
+    if (mValue.f16v[0] != f1 || mValue.f16v[1] != f2 || mValue.f16v[2] != f3 ||
+        mValue.f16v[3] != f4) {
+      mValue.f16v[0] = f1;
+      mValue.f16v[1] = f2;
+      mValue.f16v[2] = f3;
+      mValue.f16v[3] = f4;
+      return true;
+    }
+    return false;
+  }
+
+  bool UpdateUniform(int cnt, const float* fp) {
+    if (mLocation == -1) return false;
+    switch (cnt) {
+      case 1:
+      case 2:
+      case 3:
+      case 4:
+      case 9:
+      case 16:
+        if (memcmp(mValue.f16v, fp, sizeof(float) * cnt) != 0) {
+          memcpy(mValue.f16v, fp, sizeof(float) * cnt);
+          return true;
+        }
+        return false;
+    }
+
+    MOZ_ASSERT_UNREACHABLE("cnt must be 1 2 3 4 9 or 16");
+    return false;
+  }
+
+  bool UpdateArrayUniform(int cnt, const float* fp) {
+    if (mLocation == -1) return false;
+    if (cnt > 16) {
+      return false;
+    }
+
+    if (memcmp(mValue.f16v, fp, sizeof(float) * cnt) != 0) {
+      memcpy(mValue.f16v, fp, sizeof(float) * cnt);
+      return true;
+    }
+    return false;
+  }
+
+  bool UpdateArrayUniform(int cnt, const gfx::Point3D* points) {
+    if (mLocation == -1) return false;
+    if (cnt > 4) {
+      return false;
+    }
+
+    float fp[12];
+    float* d = fp;
+    for (int i = 0; i < cnt; i++) {
+      // Note: Do not want to make assumptions about .x, .y, .z member packing.
+      // If gfx::Point3D is updated to make this guarantee, SIMD optimizations
+      // may be possible
+      *d++ = points[i].x;
+      *d++ = points[i].y;
+      *d++ = points[i].z;
+    }
+
+    if (memcmp(mValue.f16v, fp, sizeof(float) * cnt * 3) != 0) {
+      memcpy(mValue.f16v, fp, sizeof(float) * cnt * 3);
+      return true;
+    }
+    return false;
+  }
+
+  KnownUniformName mName;
+  const char* mNameString;
+  int32_t mLocation;
+
+  union {
+    int i1;
+    float f1;
+    float f16v[16];
+  } mValue;
+};
+
+class ShaderConfigOGL {
+ public:
+  ShaderConfigOGL()
+      : mFeatures(0),
+        mMultiplier(1),
+        mCompositionOp(gfx::CompositionOp::OP_OVER) {}
+
+  void SetRenderColor(bool aEnabled);
+  void SetTextureTarget(GLenum aTarget);
+  void SetMaskTextureTarget(GLenum aTarget);
+  void SetRBSwap(bool aEnabled);
+  void SetNoAlpha(bool aEnabled);
+  void SetOpacity(bool aEnabled);
+  void SetYCbCr(bool aEnabled);
+  void SetNV12(bool aEnabled);
+  void SetComponentAlpha(bool aEnabled);
+  void SetColorMatrix(bool aEnabled);
+  void SetBlur(bool aEnabled);
+  void SetMask(bool aEnabled);
+  void SetDEAA(bool aEnabled);
+  void SetCompositionOp(gfx::CompositionOp aOp);
+  void SetNoPremultipliedAlpha();
+  void SetDynamicGeometry(bool aEnabled);
+  void SetColorMultiplier(uint32_t aMultiplier);
+
+  bool operator<(const ShaderConfigOGL& other) const {
+    return mFeatures < other.mFeatures ||
+           (mFeatures == other.mFeatures &&
+            (int)mCompositionOp < (int)other.mCompositionOp) ||
+           (mFeatures == other.mFeatures &&
+            (int)mCompositionOp == (int)other.mCompositionOp &&
+            mMultiplier < other.mMultiplier);
+  }
+
+ public:
+  void SetFeature(int aBitmask, bool aState) {
+    if (aState)
+      mFeatures |= aBitmask;
+    else
+      mFeatures &= (~aBitmask);
+  }
+
+  int mFeatures;
+  uint32_t mMultiplier;
+  gfx::CompositionOp mCompositionOp;
+};
+
+static inline ShaderConfigOGL ShaderConfigFromTargetAndFormat(
+    GLenum aTarget, gfx::SurfaceFormat aFormat) {
+  ShaderConfigOGL config;
+  config.SetTextureTarget(aTarget);
+  config.SetRBSwap(aFormat == gfx::SurfaceFormat::B8G8R8A8 ||
+                   aFormat == gfx::SurfaceFormat::B8G8R8X8);
+  config.SetNoAlpha(aFormat == gfx::SurfaceFormat::B8G8R8X8 ||
+                    aFormat == gfx::SurfaceFormat::R8G8B8X8 ||
+                    aFormat == gfx::SurfaceFormat::R5G6B5_UINT16);
+  return config;
+}
+
+}  // namespace layers
+}  // namespace mozilla
+
+#endif  // GFX_OGLSHADERCONFIG_H