| // SwiftShader Software Renderer |
| // |
| // Copyright(c) 2005-2012 TransGaming Inc. |
| // |
| // All rights reserved. No part of this software may be copied, distributed, transmitted, |
| // transcribed, stored in a retrieval system, translated into any human or computer |
| // language by any means, or disclosed to third parties without the explicit written |
| // agreement of TransGaming Inc. Without such an agreement, no rights or licenses, express |
| // or implied, including but not limited to any patent rights, are granted to you. |
| // |
| |
| // Display.cpp: Implements the egl::Display class, representing the abstract |
| // display on which graphics are drawn. Implements EGLDisplay. |
| // [EGL 1.4] section 2.1.2 page 3. |
| |
| #include "Display.h" |
| |
| #include "main.h" |
| #include "libGLESv2/mathutil.h" |
| #include "libGLESv2/Device.hpp" |
| #include "common/debug.h" |
| |
| #include <algorithm> |
| #include <vector> |
| #include <map> |
| |
| namespace egl |
| { |
| typedef std::map<EGLNativeDisplayType, Display*> DisplayMap; |
| DisplayMap displays; |
| |
| egl::Display *Display::getDisplay(EGLNativeDisplayType displayId) |
| { |
| if(displays.find(displayId) != displays.end()) |
| { |
| return displays[displayId]; |
| } |
| |
| egl::Display *display = NULL; |
| |
| if(displayId == EGL_DEFAULT_DISPLAY) |
| { |
| display = new egl::Display(displayId); |
| } |
| else |
| { |
| // FIXME: Check if displayId is a valid display device context |
| |
| display = new egl::Display(displayId); |
| } |
| |
| displays[displayId] = display; |
| return display; |
| } |
| |
| Display::Display(EGLNativeDisplayType displayId) : displayId(displayId) |
| { |
| mDevice = NULL; |
| |
| mMinSwapInterval = 1; |
| mMaxSwapInterval = 1; |
| } |
| |
| Display::~Display() |
| { |
| terminate(); |
| |
| displays.erase(displayId); |
| } |
| |
| static bool detectSSE() |
| { |
| #if defined(_WIN32) && _M_IX86 >= 500 |
| int registers[4]; |
| __cpuid(registers, 1); |
| return (registers[3] & 0x02000000) != 0; |
| #else |
| #error Unimplemented platform |
| #endif |
| } |
| |
| bool Display::initialize() |
| { |
| if(isInitialized()) |
| { |
| return true; |
| } |
| |
| if(!detectSSE()) |
| { |
| return false; |
| } |
| |
| mMinSwapInterval = 0; |
| mMaxSwapInterval = 4; |
| |
| const sw::Format renderTargetFormats[] = |
| { |
| sw::FORMAT_A1R5G5B5, |
| // sw::FORMAT_A2R10G10B10, // The color_ramp conformance test uses ReadPixels with UNSIGNED_BYTE causing it to think that rendering skipped a colour value. |
| sw::FORMAT_A8R8G8B8, |
| sw::FORMAT_R5G6B5, |
| // sw::FORMAT_X1R5G5B5, // Has no compatible OpenGL ES renderbuffer format |
| sw::FORMAT_X8R8G8B8 |
| }; |
| |
| const sw::Format depthStencilFormats[] = |
| { |
| sw::FORMAT_NULL, |
| // sw::FORMAT_D16_LOCKABLE, |
| sw::FORMAT_D32, |
| // sw::FORMAT_D15S1, |
| sw::FORMAT_D24S8, |
| sw::FORMAT_D24X8, |
| // sw::FORMAT_D24X4S4, |
| sw::FORMAT_D16, |
| // sw::FORMAT_D32F_LOCKABLE, |
| // sw::FORMAT_D24FS8 |
| }; |
| |
| DisplayMode currentDisplayMode = {0}; |
| |
| HDC deviceContext = GetDC(0); |
| |
| currentDisplayMode.width = ::GetDeviceCaps(deviceContext, HORZRES); |
| currentDisplayMode.height = ::GetDeviceCaps(deviceContext, VERTRES); |
| unsigned int bpp = ::GetDeviceCaps(deviceContext, BITSPIXEL); |
| |
| switch(bpp) |
| { |
| case 32: currentDisplayMode.format = sw::FORMAT_X8R8G8B8; break; |
| case 24: currentDisplayMode.format = sw::FORMAT_R8G8B8; break; |
| case 16: currentDisplayMode.format = sw::FORMAT_R5G6B5; break; |
| default: |
| ASSERT(false); // Unexpected display mode color depth |
| } |
| |
| ReleaseDC(0, deviceContext); |
| |
| ConfigSet configSet; |
| |
| for(int formatIndex = 0; formatIndex < sizeof(renderTargetFormats) / sizeof(sw::Format); formatIndex++) |
| { |
| sw::Format renderTargetFormat = renderTargetFormats[formatIndex]; |
| |
| for(int depthStencilIndex = 0; depthStencilIndex < sizeof(depthStencilFormats) / sizeof(sw::Format); depthStencilIndex++) |
| { |
| sw::Format depthStencilFormat = depthStencilFormats[depthStencilIndex]; |
| |
| // FIXME: enumerate multi-sampling |
| |
| configSet.add(currentDisplayMode, mMinSwapInterval, mMaxSwapInterval, renderTargetFormat, depthStencilFormat, 0); |
| } |
| } |
| |
| // Give the sorted configs a unique ID and store them internally |
| EGLint index = 1; |
| for(ConfigSet::Iterator config = configSet.mSet.begin(); config != configSet.mSet.end(); config++) |
| { |
| Config configuration = *config; |
| configuration.mConfigID = index; |
| index++; |
| |
| mConfigSet.mSet.insert(configuration); |
| } |
| |
| if(!isInitialized()) |
| { |
| terminate(); |
| |
| return false; |
| } |
| |
| initExtensionString(); |
| |
| return true; |
| } |
| |
| void Display::terminate() |
| { |
| while(!mSurfaceSet.empty()) |
| { |
| destroySurface(*mSurfaceSet.begin()); |
| } |
| |
| while(!mContextSet.empty()) |
| { |
| destroyContext(*mContextSet.begin()); |
| } |
| |
| delete mDevice; |
| mDevice = NULL; |
| } |
| |
| bool Display::getConfigs(EGLConfig *configs, const EGLint *attribList, EGLint configSize, EGLint *numConfig) |
| { |
| return mConfigSet.getConfigs(configs, attribList, configSize, numConfig); |
| } |
| |
| bool Display::getConfigAttrib(EGLConfig config, EGLint attribute, EGLint *value) |
| { |
| const egl::Config *configuration = mConfigSet.get(config); |
| |
| switch (attribute) |
| { |
| case EGL_BUFFER_SIZE: *value = configuration->mBufferSize; break; |
| case EGL_ALPHA_SIZE: *value = configuration->mAlphaSize; break; |
| case EGL_BLUE_SIZE: *value = configuration->mBlueSize; break; |
| case EGL_GREEN_SIZE: *value = configuration->mGreenSize; break; |
| case EGL_RED_SIZE: *value = configuration->mRedSize; break; |
| case EGL_DEPTH_SIZE: *value = configuration->mDepthSize; break; |
| case EGL_STENCIL_SIZE: *value = configuration->mStencilSize; break; |
| case EGL_CONFIG_CAVEAT: *value = configuration->mConfigCaveat; break; |
| case EGL_CONFIG_ID: *value = configuration->mConfigID; break; |
| case EGL_LEVEL: *value = configuration->mLevel; break; |
| case EGL_NATIVE_RENDERABLE: *value = configuration->mNativeRenderable; break; |
| case EGL_NATIVE_VISUAL_TYPE: *value = configuration->mNativeVisualType; break; |
| case EGL_SAMPLES: *value = configuration->mSamples; break; |
| case EGL_SAMPLE_BUFFERS: *value = configuration->mSampleBuffers; break; |
| case EGL_SURFACE_TYPE: *value = configuration->mSurfaceType; break; |
| case EGL_TRANSPARENT_TYPE: *value = configuration->mTransparentType; break; |
| case EGL_TRANSPARENT_BLUE_VALUE: *value = configuration->mTransparentBlueValue; break; |
| case EGL_TRANSPARENT_GREEN_VALUE: *value = configuration->mTransparentGreenValue; break; |
| case EGL_TRANSPARENT_RED_VALUE: *value = configuration->mTransparentRedValue; break; |
| case EGL_BIND_TO_TEXTURE_RGB: *value = configuration->mBindToTextureRGB; break; |
| case EGL_BIND_TO_TEXTURE_RGBA: *value = configuration->mBindToTextureRGBA; break; |
| case EGL_MIN_SWAP_INTERVAL: *value = configuration->mMinSwapInterval; break; |
| case EGL_MAX_SWAP_INTERVAL: *value = configuration->mMaxSwapInterval; break; |
| case EGL_LUMINANCE_SIZE: *value = configuration->mLuminanceSize; break; |
| case EGL_ALPHA_MASK_SIZE: *value = configuration->mAlphaMaskSize; break; |
| case EGL_COLOR_BUFFER_TYPE: *value = configuration->mColorBufferType; break; |
| case EGL_RENDERABLE_TYPE: *value = configuration->mRenderableType; break; |
| case EGL_MATCH_NATIVE_PIXMAP: *value = false; UNIMPLEMENTED(); break; |
| case EGL_CONFORMANT: *value = configuration->mConformant; break; |
| case EGL_MAX_PBUFFER_WIDTH: *value = configuration->mMaxPBufferWidth; break; |
| case EGL_MAX_PBUFFER_HEIGHT: *value = configuration->mMaxPBufferHeight; break; |
| case EGL_MAX_PBUFFER_PIXELS: *value = configuration->mMaxPBufferPixels; break; |
| default: |
| return false; |
| } |
| |
| return true; |
| } |
| |
| bool Display::createDevice() |
| { |
| mDevice = ::createDevice(); |
| |
| if(!mDevice) |
| { |
| return error(EGL_BAD_ALLOC, false); |
| } |
| |
| // Permanent non-default states |
| mDevice->setPointSpriteEnable(true); |
| |
| return true; |
| } |
| |
| EGLSurface Display::createWindowSurface(HWND window, EGLConfig config, const EGLint *attribList) |
| { |
| const Config *configuration = mConfigSet.get(config); |
| |
| if(attribList) |
| { |
| while(*attribList != EGL_NONE) |
| { |
| switch (attribList[0]) |
| { |
| case EGL_RENDER_BUFFER: |
| switch (attribList[1]) |
| { |
| case EGL_BACK_BUFFER: |
| break; |
| case EGL_SINGLE_BUFFER: |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); // Rendering directly to front buffer not supported |
| default: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| break; |
| case EGL_VG_COLORSPACE: |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| case EGL_VG_ALPHA_FORMAT: |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| default: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| |
| attribList += 2; |
| } |
| } |
| |
| if(hasExistingWindowSurface(window)) |
| { |
| return error(EGL_BAD_ALLOC, EGL_NO_SURFACE); |
| } |
| |
| Surface *surface = new Surface(this, configuration, window); |
| |
| if(!surface->initialize()) |
| { |
| delete surface; |
| return EGL_NO_SURFACE; |
| } |
| |
| mSurfaceSet.insert(surface); |
| |
| return success(surface); |
| } |
| |
| EGLSurface Display::createOffscreenSurface(EGLConfig config, HANDLE shareHandle, const EGLint *attribList) |
| { |
| EGLint width = 0, height = 0; |
| EGLenum textureFormat = EGL_NO_TEXTURE; |
| EGLenum textureTarget = EGL_NO_TEXTURE; |
| const Config *configuration = mConfigSet.get(config); |
| |
| if(attribList) |
| { |
| while(*attribList != EGL_NONE) |
| { |
| switch (attribList[0]) |
| { |
| case EGL_WIDTH: |
| width = attribList[1]; |
| break; |
| case EGL_HEIGHT: |
| height = attribList[1]; |
| break; |
| case EGL_LARGEST_PBUFFER: |
| if(attribList[1] != EGL_FALSE) |
| UNIMPLEMENTED(); // FIXME |
| break; |
| case EGL_TEXTURE_FORMAT: |
| switch (attribList[1]) |
| { |
| case EGL_NO_TEXTURE: |
| case EGL_TEXTURE_RGB: |
| case EGL_TEXTURE_RGBA: |
| textureFormat = attribList[1]; |
| break; |
| default: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| break; |
| case EGL_TEXTURE_TARGET: |
| switch (attribList[1]) |
| { |
| case EGL_NO_TEXTURE: |
| case EGL_TEXTURE_2D: |
| textureTarget = attribList[1]; |
| break; |
| default: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| break; |
| case EGL_MIPMAP_TEXTURE: |
| if(attribList[1] != EGL_FALSE) |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| break; |
| case EGL_VG_COLORSPACE: |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| case EGL_VG_ALPHA_FORMAT: |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| default: |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| |
| attribList += 2; |
| } |
| } |
| |
| if(width < 0 || height < 0) |
| { |
| return error(EGL_BAD_PARAMETER, EGL_NO_SURFACE); |
| } |
| |
| if(width == 0 || height == 0) |
| { |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| |
| if((textureFormat != EGL_NO_TEXTURE && textureTarget == EGL_NO_TEXTURE) || |
| (textureFormat == EGL_NO_TEXTURE && textureTarget != EGL_NO_TEXTURE)) |
| { |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| } |
| |
| if(!(configuration->mSurfaceType & EGL_PBUFFER_BIT)) |
| { |
| return error(EGL_BAD_MATCH, EGL_NO_SURFACE); |
| } |
| |
| if((textureFormat == EGL_TEXTURE_RGB && configuration->mBindToTextureRGB != EGL_TRUE) || |
| (textureFormat == EGL_TEXTURE_RGBA && configuration->mBindToTextureRGBA != EGL_TRUE)) |
| { |
| return error(EGL_BAD_ATTRIBUTE, EGL_NO_SURFACE); |
| } |
| |
| Surface *surface = new Surface(this, configuration, width, height, textureFormat, textureTarget); |
| |
| if(!surface->initialize()) |
| { |
| delete surface; |
| return EGL_NO_SURFACE; |
| } |
| |
| mSurfaceSet.insert(surface); |
| |
| return success(surface); |
| } |
| |
| EGLContext Display::createContext(EGLConfig configHandle, const gl::Context *shareContext) |
| { |
| if(!mDevice) |
| { |
| if(!createDevice()) |
| { |
| return NULL; |
| } |
| } |
| |
| const egl::Config *config = mConfigSet.get(configHandle); |
| |
| gl::Context *context = glCreateContext(config, shareContext); |
| mContextSet.insert(context); |
| |
| return context; |
| } |
| |
| void Display::destroySurface(egl::Surface *surface) |
| { |
| delete surface; |
| mSurfaceSet.erase(surface); |
| } |
| |
| void Display::destroyContext(gl::Context *context) |
| { |
| glDestroyContext(context); |
| mContextSet.erase(context); |
| } |
| |
| bool Display::isInitialized() const |
| { |
| return mConfigSet.size() > 0; |
| } |
| |
| bool Display::isValidConfig(EGLConfig config) |
| { |
| return mConfigSet.get(config) != NULL; |
| } |
| |
| bool Display::isValidContext(gl::Context *context) |
| { |
| return mContextSet.find(context) != mContextSet.end(); |
| } |
| |
| bool Display::isValidSurface(egl::Surface *surface) |
| { |
| return mSurfaceSet.find(surface) != mSurfaceSet.end(); |
| } |
| |
| bool Display::hasExistingWindowSurface(HWND window) |
| { |
| for(SurfaceSet::iterator surface = mSurfaceSet.begin(); surface != mSurfaceSet.end(); surface++) |
| { |
| if((*surface)->getWindowHandle() == window) |
| { |
| return true; |
| } |
| } |
| |
| return false; |
| } |
| |
| EGLint Display::getMinSwapInterval() |
| { |
| return mMinSwapInterval; |
| } |
| |
| EGLint Display::getMaxSwapInterval() |
| { |
| return mMaxSwapInterval; |
| } |
| |
| gl::Device *Display::getDevice() |
| { |
| if(!mDevice) |
| { |
| if(!createDevice()) |
| { |
| return NULL; |
| } |
| } |
| |
| return mDevice; |
| } |
| |
| void Display::initExtensionString() |
| { |
| mExtensionString += "EGL_ANGLE_query_surface_pointer "; |
| |
| std::string::size_type end = mExtensionString.find_last_not_of(' '); |
| if(end != std::string::npos) |
| { |
| mExtensionString.resize(end + 1); |
| } |
| } |
| |
| const char *Display::getExtensionString() const |
| { |
| return mExtensionString.c_str(); |
| } |
| |
| } |
