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      1 /*-------------------------------------------------------------------------
      2  * drawElements Quality Program Tester Core
      3  * ----------------------------------------
      4  *
      5  * Copyright 2014 The Android Open Source Project
      6  *
      7  * Licensed under the Apache License, Version 2.0 (the "License");
      8  * you may not use this file except in compliance with the License.
      9  * You may obtain a copy of the License at
     10  *
     11  *      http://www.apache.org/licenses/LICENSE-2.0
     12  *
     13  * Unless required by applicable law or agreed to in writing, software
     14  * distributed under the License is distributed on an "AS IS" BASIS,
     15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     16  * See the License for the specific language governing permissions and
     17  * limitations under the License.
     18  *
     19  *//*!
     20  * \file
     21  * \brief Raspberry PI platform.
     22  *//*--------------------------------------------------------------------*/
     23 
     24 #include "tcuRaspiPlatform.hpp"
     25 #include "egluNativeDisplay.hpp"
     26 #include "egluNativeWindow.hpp"
     27 #include "egluGLContextFactory.hpp"
     28 #include "deMemory.h"
     29 
     30 tcu::Platform* createPlatform (void)
     31 {
     32 	return new tcu::rpi::Platform();
     33 }
     34 
     35 namespace tcu
     36 {
     37 namespace rpi
     38 {
     39 
     40 enum
     41 {
     42 	DEFAULT_WINDOW_WIDTH	= 400,
     43 	DEFAULT_WINDOW_HEIGHT	= 300
     44 };
     45 
     46 static const eglu::NativeDisplay::Capability	DISPLAY_CAPABILITIES	= eglu::NativeDisplay::CAPABILITY_GET_DISPLAY_LEGACY;
     47 static const eglu::NativeWindow::Capability		WINDOW_CAPABILITIES		= eglu::NativeWindow::CAPABILITY_CREATE_SURFACE_LEGACY;
     48 
     49 class Display : public eglu::NativeDisplay
     50 {
     51 public:
     52 								Display				(void) : eglu::NativeDisplay(DISPLAY_CAPABILITIES) {}
     53 								~Display			(void) {}
     54 
     55 	EGLNativeDisplayType		getLegacyNative		(void) { return EGL_DEFAULT_DISPLAY; }
     56 };
     57 
     58 class DisplayFactory : public eglu::NativeDisplayFactory
     59 {
     60 public:
     61 								DisplayFactory		(void);
     62 								~DisplayFactory		(void) {}
     63 
     64 	eglu::NativeDisplay*		createDisplay		(const EGLAttrib* attribList) const;
     65 };
     66 
     67 class Window : public eglu::NativeWindow
     68 {
     69 public:
     70 								Window				(int width, int height);
     71 								~Window				(void);
     72 
     73 	EGLNativeWindowType			getLegacyNative		(void) { return &m_nativeWindow; }
     74 
     75 	IVec2						getSize				(void) const;
     76 
     77 private:
     78 	DISPMANX_DISPLAY_HANDLE_T	m_dispmanDisplay;
     79 	DISPMANX_ELEMENT_HANDLE_T	m_dispmanElement;
     80 	EGL_DISPMANX_WINDOW_T		m_nativeWindow;
     81 };
     82 
     83 class WindowFactory : public eglu::NativeWindowFactory
     84 {
     85 public:
     86 								WindowFactory		(void) : eglu::NativeWindowFactory("dispman", "Dispman Window", WINDOW_CAPABILITIES) {}
     87 								~WindowFactory		(void) {}
     88 
     89 	eglu::NativeWindow*			createWindow		(eglu::NativeDisplay* display, const eglu::WindowParams& params) const;
     90 };
     91 
     92 // DisplayFactory
     93 
     94 DisplayFactory::DisplayFactory (void)
     95 	: eglu::NativeDisplayFactory("default", "EGL_DEFAULT_DISPLAY", DISPLAY_CAPABILITIES)
     96 {
     97 	m_nativeWindowRegistry.registerFactory(new WindowFactory());
     98 }
     99 
    100 eglu::NativeDisplay* DisplayFactory::createDisplay (const EGLAttrib*) const
    101 {
    102 	return new Display();
    103 }
    104 
    105 // WindowFactory
    106 
    107 eglu::NativeWindow* WindowFactory::createWindow (eglu::NativeDisplay*, const eglu::WindowParams& params) const
    108 {
    109 	const int	width	= params.width	!= eglu::WindowParams::SIZE_DONT_CARE ? params.width	: DEFAULT_WINDOW_WIDTH;
    110 	const int	height	= params.height	!= eglu::WindowParams::SIZE_DONT_CARE ? params.height	: DEFAULT_WINDOW_HEIGHT;
    111 
    112 	return new Window(width, height);
    113 }
    114 
    115 // Window
    116 
    117 Window::Window (int width, int height)
    118 	: eglu::NativeWindow(WINDOW_CAPABILITIES)
    119 	, m_dispmanDisplay	(0)
    120 	, m_dispmanElement	(0)
    121 {
    122 	DISPMANX_UPDATE_HANDLE_T dispmanUpdate = 0;
    123 
    124 	// \todo [pyry] Error handling.
    125 	deMemset(&m_nativeWindow, 0, sizeof(m_nativeWindow));
    126 
    127 	VC_RECT_T dstRect, srcRect;
    128 
    129 	dstRect.x = 0;
    130 	dstRect.y = 0;
    131 	dstRect.width = width;
    132 	dstRect.height = height;
    133 
    134 	srcRect.x = 0;
    135 	srcRect.y = 0;
    136 	srcRect.width = width << 16;
    137 	srcRect.height = height << 16;
    138 
    139 	m_dispmanDisplay = vc_dispmanx_display_open(0);
    140 	TCU_CHECK(m_dispmanDisplay);
    141 
    142 	dispmanUpdate = vc_dispmanx_update_start(0);
    143 	TCU_CHECK(dispmanUpdate);
    144 
    145 	m_dispmanElement = vc_dispmanx_element_add(dispmanUpdate, m_dispmanDisplay, 0/*layer*/, &dstRect, 0/*src*/, &srcRect, DISPMANX_PROTECTION_NONE, 0/*alpha*/, 0/*clamp*/, DISPMANX_NO_ROTATE);
    146 	TCU_CHECK(m_dispmanElement);
    147 
    148 	vc_dispmanx_update_submit_sync(dispmanUpdate);
    149 
    150 	m_nativeWindow.element	= m_dispmanElement;
    151 	m_nativeWindow.width	= width;
    152 	m_nativeWindow.height	= height;
    153 }
    154 
    155 Window::~Window (void)
    156 {
    157 	DISPMANX_UPDATE_HANDLE_T dispmanUpdate = 0;
    158 	dispmanUpdate = vc_dispmanx_update_start(0);
    159 	if (dispmanUpdate)
    160 	{
    161 		vc_dispmanx_element_remove(dispmanUpdate, m_dispmanElement);
    162 		vc_dispmanx_update_submit_sync(dispmanUpdate);
    163 	}
    164 
    165 	vc_dispmanx_display_close(m_dispmanDisplay);
    166 }
    167 
    168 IVec2 Window::getSize (void) const
    169 {
    170 	return IVec2(m_nativeWindow.width, m_nativeWindow.height);
    171 }
    172 
    173 // Platform
    174 
    175 Platform::Platform (void)
    176 {
    177 	bcm_host_init();
    178 
    179 	m_nativeDisplayFactoryRegistry.registerFactory(new DisplayFactory());
    180 	m_contextFactoryRegistry.registerFactory(new eglu::GLContextFactory(m_nativeDisplayFactoryRegistry));
    181 }
    182 
    183 Platform::~Platform (void)
    184 {
    185 }
    186 
    187 } // rpi
    188 } // tcu
    189