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| -rw-r--r-- | gfx/angle/checkout/src/libANGLE/Config.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/Config.h b/gfx/angle/checkout/src/libANGLE/Config.h new file mode 100644 index 0000000000..7901c793ee --- /dev/null +++ b/gfx/angle/checkout/src/libANGLE/Config.h @@ -0,0 +1,115 @@ +// +// 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.h: Defines 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. + +#ifndef INCLUDE_CONFIG_H_ +#define INCLUDE_CONFIG_H_ + +#include "libANGLE/AttributeMap.h" + +#include "common/angleutils.h" + +#include <EGL/egl.h> +#include <GLES2/gl2.h> + +#include <map> +#include <vector> + +namespace egl +{ + +struct Config +{ + Config(); + ~Config(); + Config(const Config &other); + Config &operator=(const Config &other); + + GLenum renderTargetFormat; // TODO(geofflang): remove this + GLenum depthStencilFormat; // TODO(geofflang): remove this + + EGLint bufferSize; // Depth of the color buffer + EGLint redSize; // Bits of Red in the color buffer + EGLint greenSize; // Bits of Green in the color buffer + EGLint blueSize; // Bits of Blue in the color buffer + EGLint luminanceSize; // Bits of Luminance in the color buffer + EGLint alphaSize; // Bits of Alpha in the color buffer + EGLint alphaMaskSize; // Bits of Alpha Mask in the mask buffer + EGLBoolean bindToTextureRGB; // True if bindable to RGB textures. + EGLBoolean bindToTextureRGBA; // True if bindable to RGBA textures. + EGLenum bindToTextureTarget; // Which texture target should be used for pbuffers + EGLenum colorBufferType; // Color buffer type + EGLenum configCaveat; // Any caveats for the configuration + EGLint configID; // Unique EGLConfig identifier + EGLint conformant; // Whether contexts created with this config are conformant + EGLint depthSize; // Bits of Z in the depth buffer + EGLint level; // Frame buffer level + EGLBoolean matchNativePixmap; // Match the native pixmap format + EGLint maxPBufferWidth; // Maximum width of pbuffer + EGLint maxPBufferHeight; // Maximum height of pbuffer + EGLint maxPBufferPixels; // Maximum size of pbuffer + EGLint maxSwapInterval; // Maximum swap interval + EGLint minSwapInterval; // Minimum swap interval + EGLBoolean nativeRenderable; // EGL_TRUE if native rendering APIs can render to surface + EGLint nativeVisualID; // Handle of corresponding native visual + EGLint nativeVisualType; // Native visual type of the associated visual + EGLint renderableType; // Which client rendering APIs are supported. + EGLint sampleBuffers; // Number of multisample buffers + EGLint samples; // Number of samples per pixel + EGLint stencilSize; // Bits of Stencil in the stencil buffer + EGLint surfaceType; // Which types of EGL surfaces are supported. + EGLenum transparentType; // Type of transparency supported + EGLint transparentRedValue; // Transparent red value + EGLint transparentGreenValue; // Transparent green value + EGLint transparentBlueValue; // Transparent blue value + EGLint optimalOrientation; // Optimal window surface orientation + EGLenum colorComponentType; // Color component type + EGLBoolean recordable; // EGL_TRUE if a surface can support recording on Android + EGLBoolean framebufferTarget; // EGL_TRUE if the config supports rendering to a ANativeWindow + // for which the buffers are passed to the HWComposer HAL as a + // framebuffer target layer. + EGLBoolean yInverted; // True if the drawable's framebuffer is y-inverted. This can be used to + // determine if y-inverted texture coordinates need to be used when + // texturing from this drawable when it is bound to a texture target. + EGLint matchFormat; // LockSurface match format. +}; + +class ConfigSet +{ + private: + typedef std::map<EGLint, Config> ConfigMap; + + public: + ConfigSet(); + ConfigSet(const ConfigSet &other); + ~ConfigSet(); + ConfigSet &operator=(const ConfigSet &other); + + EGLint add(const Config &config); + const Config &get(EGLint id) const; + + void clear(); + + size_t size() const; + + bool contains(const Config *config) const; + + // Filter configurations based on the table in [EGL 1.5] section 3.4.1.2 page 29 + std::vector<const Config *> filter(const AttributeMap &attributeMap) const; + + ConfigMap::iterator begin(); + ConfigMap::iterator end(); + + private: + ConfigMap mConfigs; +}; + +} // namespace egl + +#endif // INCLUDE_CONFIG_H_ |