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      1 /*-------------------------------------------------------------------------
      2  * drawElements Quality Program EGL Module
      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 EGL image tests.
     22  *//*--------------------------------------------------------------------*/
     23 
     24 #include "teglImageFormatTests.hpp"
     25 
     26 #include "deStringUtil.hpp"
     27 #include "deSTLUtil.hpp"
     28 
     29 #include "tcuTestLog.hpp"
     30 #include "tcuSurface.hpp"
     31 #include "tcuTexture.hpp"
     32 #include "tcuTextureUtil.hpp"
     33 #include "tcuImageCompare.hpp"
     34 #include "tcuCommandLine.hpp"
     35 
     36 #include "egluNativeDisplay.hpp"
     37 #include "egluNativeWindow.hpp"
     38 #include "egluNativePixmap.hpp"
     39 #include "egluConfigFilter.hpp"
     40 #include "egluUnique.hpp"
     41 #include "egluUtil.hpp"
     42 
     43 #include "eglwLibrary.hpp"
     44 #include "eglwEnums.hpp"
     45 
     46 #include "gluCallLogWrapper.hpp"
     47 #include "gluShaderProgram.hpp"
     48 #include "gluStrUtil.hpp"
     49 #include "gluTexture.hpp"
     50 #include "gluPixelTransfer.hpp"
     51 #include "gluObjectWrapper.hpp"
     52 #include "gluTextureUtil.hpp"
     53 
     54 #include "glwEnums.hpp"
     55 #include "glwFunctions.hpp"
     56 
     57 #include "teglImageUtil.hpp"
     58 #include "teglAndroidUtil.hpp"
     59 
     60 #include <vector>
     61 #include <string>
     62 #include <set>
     63 
     64 using std::vector;
     65 using std::set;
     66 using std::string;
     67 
     68 using de::MovePtr;
     69 using de::UniquePtr;
     70 
     71 using glu::Framebuffer;
     72 using glu::Renderbuffer;
     73 using glu::Texture;
     74 
     75 using eglu::UniqueImage;
     76 
     77 using tcu::ConstPixelBufferAccess;
     78 
     79 using namespace glw;
     80 using namespace eglw;
     81 
     82 namespace deqp
     83 {
     84 namespace egl
     85 {
     86 
     87 namespace
     88 {
     89 
     90 glu::ProgramSources programSources (const string& vertexSource, const string& fragmentSource)
     91 {
     92 	glu::ProgramSources sources;
     93 
     94 	sources << glu::VertexSource(vertexSource) << glu::FragmentSource(fragmentSource);
     95 
     96 	return sources;
     97 }
     98 
     99 class Program : public glu::ShaderProgram
    100 {
    101 public:
    102 	Program (const glw::Functions& gl, const char* vertexSource, const char* fragmentSource)
    103 		: glu::ShaderProgram(gl, programSources(vertexSource, fragmentSource)) {}
    104 };
    105 
    106 } // anonymous
    107 
    108 namespace Image
    109 {
    110 
    111 class ImageApi;
    112 
    113 class IllegalRendererException : public std::exception
    114 {
    115 };
    116 
    117 class Action
    118 {
    119 public:
    120 	virtual			~Action					(void) {}
    121 	virtual bool	invoke					(ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& refImg) const = 0;
    122 	virtual string	getRequiredExtension	(void) const = 0;
    123 };
    124 
    125 struct TestSpec
    126 {
    127 	std::string name;
    128 	std::string desc;
    129 
    130 	enum ApiContext
    131 	{
    132 		API_GLES2 = 0,
    133 		//API_VG
    134 		//API_GLES1
    135 
    136 		API_LAST
    137 	};
    138 
    139 	struct Operation
    140 	{
    141 		Operation (int apiIndex_, const Action& action_) : apiIndex(apiIndex_), action(&action_) {}
    142 		int				apiIndex;
    143 		const Action*	action;
    144 	};
    145 
    146 	vector<ApiContext>	contexts;
    147 	vector<Operation>	operations;
    148 
    149 };
    150 
    151 class ImageApi
    152 {
    153 public:
    154 					ImageApi		(const Library& egl, int contextId, EGLDisplay display, EGLSurface surface);
    155 	virtual 		~ImageApi		(void) {}
    156 
    157 protected:
    158 	const Library&	m_egl;
    159 	int				m_contextId;
    160 	EGLDisplay		m_display;
    161 	EGLSurface		m_surface;
    162 };
    163 
    164 ImageApi::ImageApi (const Library& egl, int contextId, EGLDisplay display, EGLSurface surface)
    165 	: m_egl				(egl)
    166 	, m_contextId		(contextId)
    167 	, m_display			(display)
    168 	, m_surface			(surface)
    169 {
    170 }
    171 
    172 class GLES2ImageApi : public ImageApi, private glu::CallLogWrapper
    173 {
    174 public:
    175 	class GLES2Action : public Action
    176 	{
    177 	public:
    178 		bool				invoke					(ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const;
    179 		virtual bool		invokeGLES2				(GLES2ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const = 0;
    180 	};
    181 
    182 	class Create : public GLES2Action
    183 	{
    184 	public:
    185 								Create					(MovePtr<ImageSource> imgSource) : m_imgSource(imgSource) {}
    186 		string					getRequiredExtension	(void) const { return m_imgSource->getRequiredExtension(); }
    187 		bool					invokeGLES2				(GLES2ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const;
    188 		glw::GLenum				getFormat				(void) const { return m_imgSource->getFormat(); }
    189 
    190 	private:
    191 		UniquePtr<ImageSource>	m_imgSource;
    192 	};
    193 
    194 	class Render : public GLES2Action
    195 	{
    196 	public:
    197 		string				getRequiredExtension	(void) const { return "GL_OES_EGL_image"; }
    198 	};
    199 
    200 	class RenderTexture2D				: public Render { public: bool invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const; };
    201 	class RenderTextureCubemap			: public Render { public: bool invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const; };
    202 	class RenderReadPixelsRenderbuffer	: public Render { public: bool invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const; };
    203 	class RenderDepthbuffer				: public Render { public: bool invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const; };
    204 	class RenderStencilbuffer			: public Render { public: bool invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const; };
    205 	class RenderTryAll					: public Render { public: bool invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const; };
    206 
    207 	class Modify : public GLES2Action
    208 	{
    209 	public:
    210 		string				getRequiredExtension	(void) const { return "GL_OES_EGL_image"; }
    211 	};
    212 
    213 	class ModifyTexSubImage : public Modify
    214 	{
    215 	public:
    216 							ModifyTexSubImage		(GLenum format, GLenum type) : m_format(format), m_type(type) {}
    217 		bool				invokeGLES2				(GLES2ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const;
    218 		GLenum				getFormat				(void) const { return m_format; }
    219 
    220 	private:
    221 		GLenum				m_format;
    222 		GLenum				m_type;
    223 	};
    224 
    225 	class ModifyRenderbuffer : public Modify
    226 	{
    227 	public:
    228 		bool				invokeGLES2				(GLES2ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const;
    229 
    230 	protected:
    231 		virtual void		initializeRbo			(GLES2ImageApi& api, GLuint rbo, tcu::Texture2D& ref) const = 0;
    232 	};
    233 
    234 	class ModifyRenderbufferClearColor : public ModifyRenderbuffer
    235 	{
    236 	public:
    237 					ModifyRenderbufferClearColor	(tcu::Vec4 color) : m_color(color) {}
    238 
    239 	protected:
    240 		void		initializeRbo					(GLES2ImageApi& api, GLuint rbo, tcu::Texture2D& ref) const;
    241 
    242 		tcu::Vec4	m_color;
    243 	};
    244 
    245 	class ModifyRenderbufferClearDepth : public ModifyRenderbuffer
    246 	{
    247 	public:
    248 					ModifyRenderbufferClearDepth	(GLfloat depth) : m_depth(depth) {}
    249 
    250 	protected:
    251 		void		initializeRbo					(GLES2ImageApi& api, GLuint rbo, tcu::Texture2D& ref) const;
    252 
    253 		GLfloat		m_depth;
    254 	};
    255 
    256 	class ModifyRenderbufferClearStencil : public ModifyRenderbuffer
    257 	{
    258 	public:
    259 					ModifyRenderbufferClearStencil	(GLint stencil) : m_stencil(stencil) {}
    260 
    261 	protected:
    262 		void		initializeRbo					(GLES2ImageApi& api, GLuint rbo, tcu::Texture2D& ref) const;
    263 
    264 		GLint		m_stencil;
    265 	};
    266 
    267 					GLES2ImageApi					(const Library& egl, const glw::Functions& gl, int contextId, tcu::TestLog& log, EGLDisplay display, EGLSurface surface, EGLConfig config);
    268 					~GLES2ImageApi					(void);
    269 
    270 private:
    271 	EGLContext					m_context;
    272 	const glw::Functions&		m_gl;
    273 
    274 	MovePtr<UniqueImage>		createImage			(const ImageSource& source, const ClientBuffer& buffer) const;
    275 };
    276 
    277 GLES2ImageApi::GLES2ImageApi (const Library& egl, const glw::Functions& gl, int contextId, tcu::TestLog& log, EGLDisplay display, EGLSurface surface, EGLConfig config)
    278 	: ImageApi				(egl, contextId, display, surface)
    279 	, glu::CallLogWrapper	(gl, log)
    280 	, m_context				(DE_NULL)
    281 	, m_gl					(gl)
    282 {
    283 	const EGLint attriblist[] =
    284 	{
    285 		EGL_CONTEXT_CLIENT_VERSION, 2,
    286 		EGL_NONE
    287 	};
    288 
    289 	EGLint configId = -1;
    290 	EGLU_CHECK_CALL(m_egl, getConfigAttrib(m_display, config, EGL_CONFIG_ID, &configId));
    291 	getLog() << tcu::TestLog::Message << "Creating gles2 context with config id: " << configId << " context: " << m_contextId << tcu::TestLog::EndMessage;
    292 	egl.bindAPI(EGL_OPENGL_ES_API);
    293 	m_context = m_egl.createContext(m_display, config, EGL_NO_CONTEXT, attriblist);
    294 	EGLU_CHECK_MSG(m_egl, "Failed to create GLES2 context");
    295 
    296 	egl.makeCurrent(display, m_surface, m_surface, m_context);
    297 	EGLU_CHECK_MSG(m_egl, "Failed to make context current");
    298 }
    299 
    300 GLES2ImageApi::~GLES2ImageApi (void)
    301 {
    302 	m_egl.makeCurrent(m_display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
    303 	m_egl.destroyContext(m_display, m_context);
    304 }
    305 
    306 bool GLES2ImageApi::GLES2Action::invoke (ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const
    307 {
    308 	GLES2ImageApi& gles2Api = dynamic_cast<GLES2ImageApi&>(api);
    309 
    310 	gles2Api.m_egl.makeCurrent(gles2Api.m_display, gles2Api.m_surface, gles2Api.m_surface, gles2Api.m_context);
    311 	return invokeGLES2(gles2Api, image, ref);
    312 }
    313 
    314 
    315 bool GLES2ImageApi::Create::invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& image, tcu::Texture2D& ref) const
    316 {
    317 	de::UniquePtr<ClientBuffer>	buffer	(m_imgSource->createBuffer(api.m_gl, &ref));
    318 	image = api.createImage(*m_imgSource, *buffer);
    319 	return true;
    320 }
    321 
    322 MovePtr<UniqueImage> GLES2ImageApi::createImage (const ImageSource& source, const ClientBuffer& buffer) const
    323 {
    324 	const EGLImageKHR image = source.createImage(m_egl, m_display, m_context, buffer.get());
    325 	return MovePtr<UniqueImage>(new UniqueImage(m_egl, m_display, image));
    326 }
    327 
    328 static void imageTargetTexture2D (const Library& egl, const glw::Functions& gl, GLeglImageOES img)
    329 {
    330 	gl.eglImageTargetTexture2DOES(GL_TEXTURE_2D, img);
    331 	{
    332 		const GLenum error = gl.getError();
    333 
    334 		if (error == GL_INVALID_OPERATION)
    335 			TCU_THROW(NotSupportedError, "Creating texture2D from EGLImage type not supported");
    336 
    337 		GLU_EXPECT_NO_ERROR(error, "glEGLImageTargetTexture2DOES()");
    338 		EGLU_CHECK_MSG(egl, "glEGLImageTargetTexture2DOES()");
    339 	}
    340 }
    341 
    342 static void imageTargetRenderbuffer (const Library& egl, const glw::Functions& gl, GLeglImageOES img)
    343 {
    344 	gl.eglImageTargetRenderbufferStorageOES(GL_RENDERBUFFER, img);
    345 	{
    346 		const GLenum error = gl.getError();
    347 
    348 		if (error == GL_INVALID_OPERATION)
    349 			TCU_THROW(NotSupportedError, "Creating renderbuffer from EGLImage type not supported");
    350 
    351 		GLU_EXPECT_NO_ERROR(error, "glEGLImageTargetRenderbufferStorageOES()");
    352 		EGLU_CHECK_MSG(egl, "glEGLImageTargetRenderbufferStorageOES()");
    353 	}
    354 }
    355 
    356 static void framebufferRenderbuffer (const glw::Functions& gl, GLenum attachment, GLuint rbo)
    357 {
    358 	GLU_CHECK_GLW_CALL(gl, framebufferRenderbuffer(GL_FRAMEBUFFER, attachment, GL_RENDERBUFFER, rbo));
    359 	TCU_CHECK_AND_THROW(NotSupportedError,
    360 						gl.checkFramebufferStatus(GL_FRAMEBUFFER) == GL_FRAMEBUFFER_COMPLETE,
    361 						("EGLImage as " + string(glu::getFramebufferAttachmentName(attachment)) + " not supported").c_str());
    362 }
    363 
    364 static const float squareTriangleCoords[] =
    365 {
    366 	-1.0, -1.0,
    367 	1.0, -1.0,
    368 	1.0,  1.0,
    369 
    370 	1.0,  1.0,
    371 	-1.0,  1.0,
    372 	-1.0, -1.0
    373 };
    374 
    375 bool GLES2ImageApi::RenderTexture2D::invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& img, tcu::Texture2D& reference) const
    376 {
    377 	const glw::Functions&	gl		= api.m_gl;
    378 	tcu::TestLog&			log		= api.getLog();
    379 	Texture					srcTex	(gl);
    380 
    381 	// Branch only taken in TryAll case
    382 	if (reference.getFormat().order == tcu::TextureFormat::DS || reference.getFormat().order == tcu::TextureFormat::D)
    383 		throw IllegalRendererException(); // Skip, GLES2 does not support sampling depth textures
    384 	if (reference.getFormat().order == tcu::TextureFormat::S)
    385 		throw IllegalRendererException(); // Skip, GLES2 does not support sampling stencil textures
    386 
    387 	gl.clearColor(0.0, 0.0, 0.0, 0.0);
    388 	gl.viewport(0, 0, reference.getWidth(), reference.getHeight());
    389 	gl.clear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);
    390 	gl.disable(GL_DEPTH_TEST);
    391 
    392 	log << tcu::TestLog::Message << "Rendering EGLImage as GL_TEXTURE_2D in context: " << api.m_contextId << tcu::TestLog::EndMessage;
    393 	TCU_CHECK(**img != EGL_NO_IMAGE_KHR);
    394 
    395 	GLU_CHECK_GLW_CALL(gl, bindTexture(GL_TEXTURE_2D, *srcTex));
    396 	imageTargetTexture2D(api.m_egl, gl, **img);
    397 
    398 	GLU_CHECK_GLW_CALL(gl, texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST));
    399 	GLU_CHECK_GLW_CALL(gl, texParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST));
    400 	GLU_CHECK_GLW_CALL(gl, texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE));
    401 	GLU_CHECK_GLW_CALL(gl, texParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE));
    402 
    403 	const char* const vertexShader =
    404 		"attribute highp vec2 a_coord;\n"
    405 		"varying mediump vec2 v_texCoord;\n"
    406 		"void main(void) {\n"
    407 		"\tv_texCoord = vec2((a_coord.x + 1.0) * 0.5, (a_coord.y + 1.0) * 0.5);\n"
    408 		"\tgl_Position = vec4(a_coord, -0.1, 1.0);\n"
    409 		"}\n";
    410 
    411 	const char* const fragmentShader =
    412 		"varying mediump vec2 v_texCoord;\n"
    413 		"uniform sampler2D u_sampler;\n"
    414 		"void main(void) {\n"
    415 		"\tmediump vec4 texColor = texture2D(u_sampler, v_texCoord);\n"
    416 		"\tgl_FragColor = vec4(texColor);\n"
    417 		"}";
    418 
    419 	Program program(gl, vertexShader, fragmentShader);
    420 	TCU_CHECK(program.isOk());
    421 
    422 	GLuint glProgram = program.getProgram();
    423 	GLU_CHECK_GLW_CALL(gl, useProgram(glProgram));
    424 
    425 	GLuint coordLoc = gl.getAttribLocation(glProgram, "a_coord");
    426 	TCU_CHECK_MSG((int)coordLoc != -1, "Couldn't find attribute a_coord");
    427 
    428 	GLuint samplerLoc = gl.getUniformLocation(glProgram, "u_sampler");
    429 	TCU_CHECK_MSG((int)samplerLoc != (int)-1, "Couldn't find uniform u_sampler");
    430 
    431 	GLU_CHECK_GLW_CALL(gl, bindTexture(GL_TEXTURE_2D, *srcTex));
    432 	GLU_CHECK_GLW_CALL(gl, uniform1i(samplerLoc, 0));
    433 	GLU_CHECK_GLW_CALL(gl, enableVertexAttribArray(coordLoc));
    434 	GLU_CHECK_GLW_CALL(gl, vertexAttribPointer(coordLoc, 2, GL_FLOAT, GL_FALSE, 0, squareTriangleCoords));
    435 
    436 	GLU_CHECK_GLW_CALL(gl, drawArrays(GL_TRIANGLES, 0, 6));
    437 	GLU_CHECK_GLW_CALL(gl, disableVertexAttribArray(coordLoc));
    438 	GLU_CHECK_GLW_CALL(gl, bindTexture(GL_TEXTURE_2D, 0));
    439 
    440 	tcu::Surface refSurface	(reference.getWidth(), reference.getHeight());
    441 	tcu::Surface screen		(reference.getWidth(), reference.getHeight());
    442 	GLU_CHECK_GLW_CALL(gl, readPixels(0, 0, screen.getWidth(), screen.getHeight(), GL_RGBA, GL_UNSIGNED_BYTE, screen.getAccess().getDataPtr()));
    443 
    444 	tcu::copy(refSurface.getAccess(), reference.getLevel(0));
    445 
    446 	float	threshold	= 0.05f;
    447 	bool	match		= tcu::fuzzyCompare(log, "ComparisonResult", "Image comparison result", refSurface, screen, threshold, tcu::COMPARE_LOG_RESULT);
    448 
    449 	return match;
    450 }
    451 
    452 bool GLES2ImageApi::RenderDepthbuffer::invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& img, tcu::Texture2D& reference) const
    453 {
    454 	const glw::Functions&	gl					= api.m_gl;
    455 	tcu::TestLog&			log					= api.getLog();
    456 	Framebuffer				framebuffer			(gl);
    457 	Renderbuffer			renderbufferColor	(gl);
    458 	Renderbuffer			renderbufferDepth	(gl);
    459 	const tcu::RGBA			compareThreshold	(32, 32, 32, 32); // layer colors are far apart, large thresholds are ok
    460 
    461 	// Branch only taken in TryAll case
    462 	if (reference.getFormat().order != tcu::TextureFormat::DS && reference.getFormat().order != tcu::TextureFormat::D)
    463 		throw IllegalRendererException(); // Skip, interpreting non-depth data as depth data is not meaningful
    464 
    465 	log << tcu::TestLog::Message << "Rendering with depth buffer" << tcu::TestLog::EndMessage;
    466 
    467 	GLU_CHECK_GLW_CALL(gl, bindFramebuffer(GL_FRAMEBUFFER, *framebuffer));
    468 
    469 	GLU_CHECK_GLW_CALL(gl, bindRenderbuffer(GL_RENDERBUFFER, *renderbufferColor));
    470 	GLU_CHECK_GLW_CALL(gl, renderbufferStorage(GL_RENDERBUFFER, GL_RGBA4, reference.getWidth(), reference.getHeight()));
    471 	framebufferRenderbuffer(gl, GL_COLOR_ATTACHMENT0, *renderbufferColor);
    472 
    473 	GLU_CHECK_GLW_CALL(gl, bindRenderbuffer(GL_RENDERBUFFER, *renderbufferDepth));
    474 	imageTargetRenderbuffer(api.m_egl, gl, **img);
    475 	framebufferRenderbuffer(gl, GL_DEPTH_ATTACHMENT, *renderbufferDepth);
    476 	GLU_CHECK_GLW_CALL(gl, bindRenderbuffer(GL_RENDERBUFFER, 0));
    477 
    478 	GLU_CHECK_GLW_CALL(gl, viewport(0, 0, reference.getWidth(), reference.getHeight()));
    479 
    480 	// Render
    481 	const char* vertexShader =
    482 		"attribute highp vec2 a_coord;\n"
    483 		"uniform highp float u_depth;\n"
    484 		"void main(void) {\n"
    485 		"\tgl_Position = vec4(a_coord, u_depth, 1.0);\n"
    486 		"}\n";
    487 
    488 	const char* fragmentShader =
    489 		"uniform mediump vec4 u_color;\n"
    490 		"void main(void) {\n"
    491 		"\tgl_FragColor = u_color;\n"
    492 		"}";
    493 
    494 	Program program(gl, vertexShader, fragmentShader);
    495 	TCU_CHECK(program.isOk());
    496 
    497 	GLuint glProgram = program.getProgram();
    498 	GLU_CHECK_GLW_CALL(gl, useProgram(glProgram));
    499 
    500 	GLuint coordLoc = gl.getAttribLocation(glProgram, "a_coord");
    501 	TCU_CHECK_MSG((int)coordLoc != -1, "Couldn't find attribute a_coord");
    502 
    503 	GLuint colorLoc = gl.getUniformLocation(glProgram, "u_color");
    504 	TCU_CHECK_MSG((int)colorLoc != (int)-1, "Couldn't find uniform u_color");
    505 
    506 	GLuint depthLoc = gl.getUniformLocation(glProgram, "u_depth");
    507 	TCU_CHECK_MSG((int)depthLoc != (int)-1, "Couldn't find uniform u_depth");
    508 
    509 	GLU_CHECK_GLW_CALL(gl, clearColor(0.5f, 1.0f, 0.5f, 1.0f));
    510 	GLU_CHECK_GLW_CALL(gl, clear(GL_COLOR_BUFFER_BIT));
    511 
    512 	tcu::Vec4 depthLevelColors[] = {
    513 		tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f),
    514 		tcu::Vec4(0.0f, 1.0f, 0.0f, 1.0f),
    515 		tcu::Vec4(1.0f, 1.0f, 0.0f, 1.0f),
    516 		tcu::Vec4(0.0f, 0.0f, 1.0f, 1.0f),
    517 		tcu::Vec4(1.0f, 0.0f, 1.0f, 1.0f),
    518 
    519 		tcu::Vec4(1.0f, 1.0f, 0.0f, 1.0f),
    520 		tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f),
    521 		tcu::Vec4(0.5f, 0.0f, 0.0f, 1.0f),
    522 		tcu::Vec4(0.0f, 0.5f, 0.0f, 1.0f),
    523 		tcu::Vec4(0.5f, 0.5f, 0.0f, 1.0f)
    524 	};
    525 
    526 	GLU_CHECK_GLW_CALL(gl, enableVertexAttribArray(coordLoc));
    527 	GLU_CHECK_GLW_CALL(gl, vertexAttribPointer(coordLoc, 2, GL_FLOAT, GL_FALSE, 0, squareTriangleCoords));
    528 
    529 	GLU_CHECK_GLW_CALL(gl, enable(GL_DEPTH_TEST));
    530 	GLU_CHECK_GLW_CALL(gl, depthFunc(GL_LESS));
    531 	GLU_CHECK_GLW_CALL(gl, depthMask(GL_FALSE));
    532 
    533 	for (int level = 0; level < DE_LENGTH_OF_ARRAY(depthLevelColors); level++)
    534 	{
    535 		const tcu::Vec4	color		= depthLevelColors[level];
    536 		const float		clipDepth	= ((level + 1) * 0.1f) * 2.0f - 1.0f; // depth in clip coords
    537 
    538 		GLU_CHECK_GLW_CALL(gl, uniform4f(colorLoc, color.x(), color.y(), color.z(), color.w()));
    539 		GLU_CHECK_GLW_CALL(gl, uniform1f(depthLoc, clipDepth));
    540 		GLU_CHECK_GLW_CALL(gl, drawArrays(GL_TRIANGLES, 0, 6));
    541 	}
    542 
    543 	GLU_CHECK_GLW_CALL(gl, depthMask(GL_TRUE));
    544 	GLU_CHECK_GLW_CALL(gl, disable(GL_DEPTH_TEST));
    545 	GLU_CHECK_GLW_CALL(gl, disableVertexAttribArray(coordLoc));
    546 
    547 	const ConstPixelBufferAccess&	refAccess		= reference.getLevel(0);
    548 	tcu::Surface					screen			(reference.getWidth(), reference.getHeight());
    549 	tcu::Surface					referenceScreen	(reference.getWidth(), reference.getHeight());
    550 
    551 	gl.readPixels(0, 0, screen.getWidth(), screen.getHeight(), GL_RGBA, GL_UNSIGNED_BYTE, screen.getAccess().getDataPtr());
    552 
    553 	for (int y = 0; y < reference.getHeight(); y++)
    554 	{
    555 		for (int x = 0; x < reference.getWidth(); x++)
    556 		{
    557 			tcu::Vec4 result = tcu::Vec4(0.5f, 1.0f, 0.5f, 1.0f);
    558 
    559 			for (int level = 0; level < DE_LENGTH_OF_ARRAY(depthLevelColors); level++)
    560 			{
    561 				if ((level + 1) * 0.1f < refAccess.getPixDepth(x, y))
    562 					result = depthLevelColors[level];
    563 			}
    564 
    565 			referenceScreen.getAccess().setPixel(result, x, y);
    566 		}
    567 	}
    568 
    569 	GLU_CHECK_GLW_CALL(gl, bindFramebuffer(GL_FRAMEBUFFER, 0));
    570 	GLU_CHECK_GLW_CALL(gl, finish());
    571 
    572 	return tcu::pixelThresholdCompare(log, "Depth buffer rendering result", "Result from rendering with depth buffer", referenceScreen, screen, compareThreshold, tcu::COMPARE_LOG_RESULT);
    573 }
    574 
    575 bool GLES2ImageApi::RenderStencilbuffer::invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& img, tcu::Texture2D& reference) const
    576 {
    577 	// Branch only taken in TryAll case
    578 	if (reference.getFormat().order != tcu::TextureFormat::DS && reference.getFormat().order != tcu::TextureFormat::S)
    579 		throw IllegalRendererException(); // Skip, interpreting non-stencil data as stencil data is not meaningful
    580 
    581 	const glw::Functions&	gl					= api.m_gl;
    582 	tcu::TestLog&			log					= api.getLog();
    583 	Framebuffer				framebuffer			(gl);
    584 	Renderbuffer			renderbufferColor	(gl);
    585 	Renderbuffer			renderbufferStencil (gl);
    586 	const tcu::RGBA			compareThreshold	(32, 32, 32, 32); // layer colors are far apart, large thresholds are ok
    587 	const deUint32			numStencilBits		= tcu::getTextureFormatBitDepth(tcu::getEffectiveDepthStencilTextureFormat(reference.getLevel(0).getFormat(), tcu::Sampler::MODE_STENCIL)).x();
    588 	const deUint32			maxStencil			= deBitMask32(0, numStencilBits);
    589 
    590 	log << tcu::TestLog::Message << "Rendering with stencil buffer" << tcu::TestLog::EndMessage;
    591 
    592 	GLU_CHECK_GLW_CALL(gl, bindFramebuffer(GL_FRAMEBUFFER, *framebuffer));
    593 
    594 	GLU_CHECK_GLW_CALL(gl, bindRenderbuffer(GL_RENDERBUFFER, *renderbufferColor));
    595 	GLU_CHECK_GLW_CALL(gl, renderbufferStorage(GL_RENDERBUFFER, GL_RGBA4, reference.getWidth(), reference.getHeight()));
    596 	framebufferRenderbuffer(gl, GL_COLOR_ATTACHMENT0, *renderbufferColor);
    597 
    598 	GLU_CHECK_GLW_CALL(gl, bindRenderbuffer(GL_RENDERBUFFER, *renderbufferStencil));
    599 	imageTargetRenderbuffer(api.m_egl, gl, **img);
    600 	framebufferRenderbuffer(gl, GL_STENCIL_ATTACHMENT, *renderbufferStencil);
    601 	GLU_CHECK_GLW_CALL(gl, bindRenderbuffer(GL_RENDERBUFFER, 0));
    602 
    603 	GLU_CHECK_GLW_CALL(gl, viewport(0, 0, reference.getWidth(), reference.getHeight()));
    604 
    605 	// Render
    606 	const char* vertexShader =
    607 		"attribute highp vec2 a_coord;\n"
    608 		"void main(void) {\n"
    609 		"\tgl_Position = vec4(a_coord, 0.0, 1.0);\n"
    610 		"}\n";
    611 
    612 	const char* fragmentShader =
    613 		"uniform mediump vec4 u_color;\n"
    614 		"void main(void) {\n"
    615 		"\tgl_FragColor = u_color;\n"
    616 		"}";
    617 
    618 	Program program(gl, vertexShader, fragmentShader);
    619 	TCU_CHECK(program.isOk());
    620 
    621 	GLuint glProgram = program.getProgram();
    622 	GLU_CHECK_GLW_CALL(gl, useProgram(glProgram));
    623 
    624 	GLuint coordLoc = gl.getAttribLocation(glProgram, "a_coord");
    625 	TCU_CHECK_MSG((int)coordLoc != -1, "Couldn't find attribute a_coord");
    626 
    627 	GLuint colorLoc = gl.getUniformLocation(glProgram, "u_color");
    628 	TCU_CHECK_MSG((int)colorLoc != (int)-1, "Couldn't find uniform u_color");
    629 
    630 	GLU_CHECK_GLW_CALL(gl, clearColor(0.5f, 1.0f, 0.5f, 1.0f));
    631 	GLU_CHECK_GLW_CALL(gl, clear(GL_COLOR_BUFFER_BIT));
    632 
    633 	tcu::Vec4 stencilLevelColors[] = {
    634 		tcu::Vec4(1.0f, 0.0f, 0.0f, 1.0f),
    635 		tcu::Vec4(0.0f, 1.0f, 0.0f, 1.0f),
    636 		tcu::Vec4(1.0f, 1.0f, 0.0f, 1.0f),
    637 		tcu::Vec4(0.0f, 0.0f, 1.0f, 1.0f),
    638 		tcu::Vec4(1.0f, 0.0f, 1.0f, 1.0f),
    639 
    640 		tcu::Vec4(1.0f, 1.0f, 0.0f, 1.0f),
    641 		tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f),
    642 		tcu::Vec4(0.5f, 0.0f, 0.0f, 1.0f),
    643 		tcu::Vec4(0.0f, 0.5f, 0.0f, 1.0f),
    644 		tcu::Vec4(0.5f, 0.5f, 0.0f, 1.0f)
    645 	};
    646 
    647 	GLU_CHECK_GLW_CALL(gl, enableVertexAttribArray(coordLoc));
    648 	GLU_CHECK_GLW_CALL(gl, vertexAttribPointer(coordLoc, 2, GL_FLOAT, GL_FALSE, 0, squareTriangleCoords));
    649 
    650 	GLU_CHECK_GLW_CALL(gl, enable(GL_STENCIL_TEST));
    651 	GLU_CHECK_GLW_CALL(gl, stencilOp(GL_KEEP, GL_KEEP, GL_KEEP));
    652 
    653 	for (int level = 0; level < DE_LENGTH_OF_ARRAY(stencilLevelColors); level++)
    654 	{
    655 		const tcu::Vec4	color	= stencilLevelColors[level];
    656 		const int		stencil	= (int)(((level + 1) * 0.1f) * maxStencil);
    657 
    658 		GLU_CHECK_GLW_CALL(gl, stencilFunc(GL_LESS, stencil, 0xFFFFFFFFu));
    659 		GLU_CHECK_GLW_CALL(gl, uniform4f(colorLoc, color.x(), color.y(), color.z(), color.w()));
    660 		GLU_CHECK_GLW_CALL(gl, drawArrays(GL_TRIANGLES, 0, 6));
    661 	}
    662 
    663 	GLU_CHECK_GLW_CALL(gl, disable(GL_STENCIL_TEST));
    664 	GLU_CHECK_GLW_CALL(gl, disableVertexAttribArray(coordLoc));
    665 
    666 	const ConstPixelBufferAccess&	refAccess		= reference.getLevel(0);
    667 	tcu::Surface					screen			(reference.getWidth(), reference.getHeight());
    668 	tcu::Surface					referenceScreen	(reference.getWidth(), reference.getHeight());
    669 
    670 	gl.readPixels(0, 0, screen.getWidth(), screen.getHeight(), GL_RGBA, GL_UNSIGNED_BYTE, screen.getAccess().getDataPtr());
    671 
    672 	for (int y = 0; y < reference.getHeight(); y++)
    673 	for (int x = 0; x < reference.getWidth(); x++)
    674 	{
    675 		tcu::Vec4 result = tcu::Vec4(0.5f, 1.0f, 0.5f, 1.0f);
    676 
    677 		for (int level = 0; level < DE_LENGTH_OF_ARRAY(stencilLevelColors); level++)
    678 		{
    679 			const int levelStencil = (int)(((level + 1) * 0.1f) * maxStencil);
    680 			if (levelStencil < refAccess.getPixStencil(x, y))
    681 				result = stencilLevelColors[level];
    682 		}
    683 
    684 		referenceScreen.getAccess().setPixel(result, x, y);
    685 	}
    686 
    687 	GLU_CHECK_GLW_CALL(gl, bindFramebuffer(GL_FRAMEBUFFER, 0));
    688 	GLU_CHECK_GLW_CALL(gl, finish());
    689 
    690 	return tcu::pixelThresholdCompare(log, "StencilResult", "Result from rendering with stencil buffer", referenceScreen, screen, compareThreshold, tcu::COMPARE_LOG_RESULT);
    691 }
    692 
    693 bool GLES2ImageApi::RenderReadPixelsRenderbuffer::invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& img, tcu::Texture2D& reference) const
    694 {
    695 	const glw::Functions&	gl				= api.m_gl;
    696 	const tcu::IVec4		bitDepth		= tcu::getTextureFormatMantissaBitDepth(reference.getFormat());
    697 	const tcu::IVec4		threshold		(2 * (tcu::IVec4(1) << (tcu::IVec4(8) - bitDepth)));
    698 	const tcu::RGBA			threshold8		((deUint8)(de::clamp(threshold[0], 0, 255)), (deUint8)(de::clamp(threshold[1], 0, 255)), (deUint8)(de::clamp(threshold[2], 0, 255)), (deUint8)(de::clamp(threshold[3], 0, 255)));
    699 	tcu::TestLog&			log				= api.getLog();
    700 	Framebuffer				framebuffer		(gl);
    701 	Renderbuffer			renderbuffer	(gl);
    702 	tcu::Surface			screen			(reference.getWidth(), reference.getHeight());
    703 	tcu::Surface			refSurface		(reference.getWidth(), reference.getHeight());
    704 
    705 	// Branch only taken in TryAll case
    706 	if (reference.getFormat().order == tcu::TextureFormat::DS || reference.getFormat().order == tcu::TextureFormat::D)
    707 		throw IllegalRendererException(); // Skip, GLES2 does not support ReadPixels for depth attachments
    708 	if (reference.getFormat().order == tcu::TextureFormat::S)
    709 		throw IllegalRendererException(); // Skip, GLES2 does not support ReadPixels for stencil attachments
    710 
    711 	log << tcu::TestLog::Message << "Reading with ReadPixels from renderbuffer" << tcu::TestLog::EndMessage;
    712 
    713 	GLU_CHECK_GLW_CALL(gl, bindFramebuffer(GL_FRAMEBUFFER, *framebuffer));
    714 	GLU_CHECK_GLW_CALL(gl, bindRenderbuffer(GL_RENDERBUFFER, *renderbuffer));
    715 	imageTargetRenderbuffer(api.m_egl, gl, **img);
    716 	framebufferRenderbuffer(gl, GL_COLOR_ATTACHMENT0, *renderbuffer);
    717 
    718 	GLU_CHECK_GLW_CALL(gl, viewport(0, 0, reference.getWidth(), reference.getHeight()));
    719 
    720 	gl.readPixels(0, 0, screen.getWidth(), screen.getHeight(), GL_RGBA, GL_UNSIGNED_BYTE, screen.getAccess().getDataPtr());
    721 
    722 	GLU_CHECK_GLW_CALL(gl, bindFramebuffer(GL_FRAMEBUFFER, 0));
    723 	GLU_CHECK_GLW_CALL(gl, bindRenderbuffer(GL_RENDERBUFFER, 0));
    724 	GLU_CHECK_GLW_CALL(gl, finish());
    725 
    726 	tcu::copy(refSurface.getAccess(), reference.getLevel(0));
    727 
    728 	return tcu::pixelThresholdCompare(log, "Renderbuffer read", "Result from reading renderbuffer", refSurface, screen, threshold8, tcu::COMPARE_LOG_RESULT);
    729 
    730 }
    731 
    732 bool GLES2ImageApi::RenderTryAll::invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& img, tcu::Texture2D& reference) const
    733 {
    734 	bool										foundSupported			= false;
    735 	tcu::TestLog&								log						= api.getLog();
    736 	GLES2ImageApi::RenderTexture2D				renderTex2D;
    737 	GLES2ImageApi::RenderReadPixelsRenderbuffer	renderReadPixels;
    738 	GLES2ImageApi::RenderDepthbuffer			renderDepth;
    739 	GLES2ImageApi::RenderStencilbuffer			renderStencil;
    740 	Action*										actions[] 				= { &renderTex2D, &renderReadPixels, &renderDepth, &renderStencil };
    741 
    742 	for (int ndx = 0; ndx < DE_LENGTH_OF_ARRAY(actions); ++ndx)
    743 	{
    744 		try
    745 		{
    746 			if (!actions[ndx]->invoke(api, img, reference))
    747 				return false;
    748 
    749 			foundSupported = true;
    750 		}
    751 		catch (const tcu::NotSupportedError& error)
    752 		{
    753 			log << tcu::TestLog::Message << error.what() << tcu::TestLog::EndMessage;
    754 		}
    755 		catch (const IllegalRendererException&)
    756 		{
    757 			// not valid renderer
    758 		}
    759 	}
    760 
    761 	if (!foundSupported)
    762 		throw tcu::NotSupportedError("Rendering not supported", "", __FILE__, __LINE__);
    763 
    764 	return true;
    765 }
    766 
    767 bool GLES2ImageApi::ModifyTexSubImage::invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& img, tcu::Texture2D& reference) const
    768 {
    769 	const glw::Functions&	gl		= api.m_gl;
    770 	tcu::TestLog&			log		= api.getLog();
    771 	glu::Texture			srcTex	(gl);
    772 	const int				xOffset	= 8;
    773 	const int				yOffset	= 16;
    774 	const int				xSize	= de::clamp(16, 0, reference.getWidth() - xOffset);
    775 	const int				ySize	= de::clamp(16, 0, reference.getHeight() - yOffset);
    776 	tcu::Texture2D			src		(glu::mapGLTransferFormat(m_format, m_type), xSize, ySize);
    777 
    778 	log << tcu::TestLog::Message << "Modifying EGLImage with gl.texSubImage2D" << tcu::TestLog::EndMessage;
    779 
    780 	src.allocLevel(0);
    781 	tcu::fillWithComponentGradients(src.getLevel(0), tcu::Vec4(0.0f, 0.0f, 0.0f, 0.0f), tcu::Vec4(1.0f, 1.0f, 1.0f, 1.0f));
    782 
    783 	GLU_CHECK_GLW_CALL(gl, bindTexture(GL_TEXTURE_2D, *srcTex));
    784 	imageTargetTexture2D(api.m_egl, gl, **img);
    785 	GLU_CHECK_GLW_CALL(gl, texSubImage2D(GL_TEXTURE_2D, 0, xOffset, yOffset, src.getWidth(), src.getHeight(), m_format, m_type, src.getLevel(0).getDataPtr()));
    786 	GLU_CHECK_GLW_CALL(gl, bindTexture(GL_TEXTURE_2D, 0));
    787 	GLU_CHECK_GLW_CALL(gl, finish());
    788 
    789 	tcu::copy(tcu::getSubregion(reference.getLevel(0), xOffset, yOffset, 0, xSize, ySize, 1), src.getLevel(0));
    790 
    791 	return true;
    792 }
    793 
    794 bool GLES2ImageApi::ModifyRenderbuffer::invokeGLES2 (GLES2ImageApi& api, MovePtr<UniqueImage>& img, tcu::Texture2D& reference) const
    795 {
    796 	const glw::Functions&	gl				= api.m_gl;
    797 	tcu::TestLog&			log				= api.getLog();
    798 	glu::Framebuffer		framebuffer		(gl);
    799 	glu::Renderbuffer		renderbuffer	(gl);
    800 
    801 	log << tcu::TestLog::Message << "Modifying EGLImage with glClear to renderbuffer" << tcu::TestLog::EndMessage;
    802 
    803 	GLU_CHECK_GLW_CALL(gl, bindFramebuffer(GL_FRAMEBUFFER, *framebuffer));
    804 	GLU_CHECK_GLW_CALL(gl, bindRenderbuffer(GL_RENDERBUFFER, *renderbuffer));
    805 
    806 	imageTargetRenderbuffer(api.m_egl, gl, **img);
    807 
    808 	initializeRbo(api, *renderbuffer, reference);
    809 
    810 	GLU_CHECK_GLW_CALL(gl, bindFramebuffer(GL_FRAMEBUFFER, 0));
    811 	GLU_CHECK_GLW_CALL(gl, bindRenderbuffer(GL_RENDERBUFFER, 0));
    812 
    813 	GLU_CHECK_GLW_CALL(gl, finish());
    814 
    815 	return true;
    816 }
    817 
    818 void GLES2ImageApi::ModifyRenderbufferClearColor::initializeRbo (GLES2ImageApi& api, GLuint renderbuffer, tcu::Texture2D& reference) const
    819 {
    820 	const glw::Functions&	gl		= api.m_gl;
    821 
    822 	framebufferRenderbuffer(gl, GL_COLOR_ATTACHMENT0, renderbuffer);
    823 
    824 	GLU_CHECK_GLW_CALL(gl, viewport(0, 0, reference.getWidth(), reference.getHeight()));
    825 	GLU_CHECK_GLW_CALL(gl, clearColor(m_color.x(), m_color.y(), m_color.z(), m_color.w()));
    826 	GLU_CHECK_GLW_CALL(gl, clear(GL_COLOR_BUFFER_BIT));
    827 
    828 	tcu::clear(reference.getLevel(0), m_color);
    829 }
    830 
    831 void GLES2ImageApi::ModifyRenderbufferClearDepth::initializeRbo (GLES2ImageApi& api, GLuint renderbuffer, tcu::Texture2D& reference) const
    832 {
    833 	const glw::Functions&	gl		= api.m_gl;
    834 
    835 	framebufferRenderbuffer(gl, GL_DEPTH_ATTACHMENT, renderbuffer);
    836 
    837 	GLU_CHECK_GLW_CALL(gl, viewport(0, 0, reference.getWidth(), reference.getHeight()));
    838 	GLU_CHECK_GLW_CALL(gl, clearDepthf(m_depth));
    839 	GLU_CHECK_GLW_CALL(gl, clear(GL_DEPTH_BUFFER_BIT));
    840 
    841 	tcu::clearDepth(reference.getLevel(0), m_depth);
    842 }
    843 
    844 void GLES2ImageApi::ModifyRenderbufferClearStencil::initializeRbo (GLES2ImageApi& api, GLuint renderbuffer, tcu::Texture2D& reference) const
    845 {
    846 	const glw::Functions&	gl		= api.m_gl;
    847 
    848 	framebufferRenderbuffer(gl, GL_STENCIL_ATTACHMENT, renderbuffer);
    849 
    850 	GLU_CHECK_GLW_CALL(gl, viewport(0, 0, reference.getWidth(), reference.getHeight()));
    851 	GLU_CHECK_GLW_CALL(gl, clearStencil(m_stencil));
    852 	GLU_CHECK_GLW_CALL(gl, clear(GL_STENCIL_BUFFER_BIT));
    853 
    854 	tcu::clearStencil(reference.getLevel(0), m_stencil);
    855 }
    856 
    857 class ImageFormatCase : public TestCase, private glu::CallLogWrapper
    858 {
    859 public:
    860 						ImageFormatCase		(EglTestContext& eglTestCtx, const TestSpec& spec);
    861 						~ImageFormatCase	(void);
    862 
    863 	void				init				(void);
    864 	void				deinit				(void);
    865 	IterateResult		iterate				(void);
    866 	void				checkExtensions		(void);
    867 
    868 private:
    869 	EGLConfig			getConfig			(void);
    870 
    871 	const TestSpec		m_spec;
    872 
    873 	vector<ImageApi*>	m_apiContexts;
    874 
    875 	EGLDisplay			m_display;
    876 	eglu::NativeWindow*	m_window;
    877 	EGLSurface			m_surface;
    878 	EGLConfig			m_config;
    879 	int					m_curIter;
    880 	MovePtr<UniqueImage>m_img;
    881 	tcu::Texture2D		m_refImg;
    882 	glw::Functions		m_gl;
    883 };
    884 
    885 EGLConfig ImageFormatCase::getConfig (void)
    886 {
    887 	const EGLint attribList[] =
    888 	{
    889 		EGL_RENDERABLE_TYPE, 	EGL_OPENGL_ES2_BIT,
    890 		EGL_SURFACE_TYPE,	 	EGL_WINDOW_BIT,
    891 		EGL_RED_SIZE,			8,
    892 		EGL_BLUE_SIZE,			8,
    893 		EGL_GREEN_SIZE,			8,
    894 		EGL_ALPHA_SIZE,			8,
    895 		EGL_DEPTH_SIZE,			8,
    896 		EGL_NONE
    897 	};
    898 
    899 	return eglu::chooseSingleConfig(m_eglTestCtx.getLibrary(), m_display, attribList);
    900 }
    901 
    902 ImageFormatCase::ImageFormatCase (EglTestContext& eglTestCtx, const TestSpec& spec)
    903 	: TestCase				(eglTestCtx, spec.name.c_str(), spec.desc.c_str())
    904 	, glu::CallLogWrapper	(m_gl, eglTestCtx.getTestContext().getLog())
    905 	, m_spec				(spec)
    906 	, m_display				(EGL_NO_DISPLAY)
    907 	, m_window				(DE_NULL)
    908 	, m_surface				(EGL_NO_SURFACE)
    909 	, m_config				(0)
    910 	, m_curIter				(0)
    911 	, m_refImg				(tcu::TextureFormat(tcu::TextureFormat::RGBA, tcu::TextureFormat::UNORM_INT8), 1, 1)
    912 {
    913 }
    914 
    915 ImageFormatCase::~ImageFormatCase (void)
    916 {
    917 	deinit();
    918 }
    919 
    920 void ImageFormatCase::checkExtensions (void)
    921 {
    922 	const Library&			egl		= m_eglTestCtx.getLibrary();
    923 	const EGLDisplay		dpy		= m_display;
    924 	set<string>				exts;
    925 	const vector<string>	glExts	= de::splitString((const char*) m_gl.getString(GL_EXTENSIONS));
    926 	const vector<string>	eglExts	= eglu::getClientExtensions(egl, dpy);
    927 
    928 	exts.insert(glExts.begin(), glExts.end());
    929 	exts.insert(eglExts.begin(), eglExts.end());
    930 
    931 	if (eglu::getVersion(egl, dpy) >= eglu::Version(1, 5))
    932 	{
    933 		// EGL 1.5 has built-in support for EGLImage and GL sources
    934 		exts.insert("EGL_KHR_image_base");
    935 		exts.insert("EGL_KHR_gl_texture_2D_image");
    936 		exts.insert("EGL_KHR_gl_texture_cubemap_image");
    937 		exts.insert("EGL_KHR_gl_renderbuffer_image");
    938 	}
    939 
    940 	if (!de::contains(exts, "EGL_KHR_image_base") && !de::contains(exts, "EGL_KHR_image"))
    941 	{
    942 		getLog() << tcu::TestLog::Message
    943 				 << "EGL version is under 1.5 and neither EGL_KHR_image nor EGL_KHR_image_base is supported."
    944 				 << "One should be supported."
    945 				 << tcu::TestLog::EndMessage;
    946 		TCU_THROW(NotSupportedError, "Extension not supported: EGL_KHR_image_base");
    947 	}
    948 
    949 	for (int operationNdx = 0; operationNdx < (int)m_spec.operations.size(); operationNdx++)
    950 	{
    951 		const TestSpec::Operation&	op	= m_spec.operations[operationNdx];
    952 		const string				ext	= op.action->getRequiredExtension();
    953 
    954 		if (!de::contains(exts, ext))
    955 			TCU_THROW_EXPR(NotSupportedError, "Extension not supported", ext.c_str());
    956 	}
    957 }
    958 
    959 void ImageFormatCase::init (void)
    960 {
    961 	const Library&						egl				= m_eglTestCtx.getLibrary();
    962 	const eglu::NativeWindowFactory&	windowFactory	= eglu::selectNativeWindowFactory(m_eglTestCtx.getNativeDisplayFactory(), m_testCtx.getCommandLine());
    963 
    964 	try
    965 	{
    966 		m_display	= eglu::getAndInitDisplay(m_eglTestCtx.getNativeDisplay());
    967 		m_config	= getConfig();
    968 		m_window	= windowFactory.createWindow(&m_eglTestCtx.getNativeDisplay(), m_display, m_config, DE_NULL, eglu::WindowParams(480, 480, eglu::parseWindowVisibility(m_testCtx.getCommandLine())));
    969 		m_surface	= eglu::createWindowSurface(m_eglTestCtx.getNativeDisplay(), *m_window, m_display, m_config, DE_NULL);
    970 
    971 		{
    972 			const char* extensions[] = { "GL_OES_EGL_image" };
    973 			m_eglTestCtx.initGLFunctions(&m_gl, glu::ApiType::es(2, 0), DE_LENGTH_OF_ARRAY(extensions), &extensions[0]);
    974 		}
    975 
    976 		for (int contextNdx = 0; contextNdx < (int)m_spec.contexts.size(); contextNdx++)
    977 		{
    978 			ImageApi* api = DE_NULL;
    979 			switch (m_spec.contexts[contextNdx])
    980 			{
    981 				case TestSpec::API_GLES2:
    982 				{
    983 					api = new GLES2ImageApi(egl, m_gl, contextNdx, getLog(), m_display, m_surface, m_config);
    984 					break;
    985 				}
    986 
    987 				default:
    988 					DE_ASSERT(false);
    989 					break;
    990 			}
    991 			m_apiContexts.push_back(api);
    992 		}
    993 		checkExtensions();
    994 	}
    995 	catch (...)
    996 	{
    997 		deinit();
    998 		throw;
    999 	}
   1000 }
   1001 
   1002 void ImageFormatCase::deinit (void)
   1003 {
   1004 	const Library& egl = m_eglTestCtx.getLibrary();
   1005 
   1006 	for (int contexNdx = 0 ; contexNdx < (int)m_apiContexts.size(); contexNdx++)
   1007 		delete m_apiContexts[contexNdx];
   1008 
   1009 	m_apiContexts.clear();
   1010 
   1011 	if (m_surface != EGL_NO_SURFACE)
   1012 	{
   1013 		egl.destroySurface(m_display, m_surface);
   1014 		m_surface = EGL_NO_SURFACE;
   1015 	}
   1016 
   1017 	delete m_window;
   1018 	m_window = DE_NULL;
   1019 
   1020 	if (m_display != EGL_NO_DISPLAY)
   1021 	{
   1022 		egl.terminate(m_display);
   1023 		m_display = EGL_NO_DISPLAY;
   1024 	}
   1025 }
   1026 
   1027 TestCase::IterateResult ImageFormatCase::iterate (void)
   1028 {
   1029 	const TestSpec::Operation&	op		= m_spec.operations[m_curIter++];
   1030 	ImageApi&					api		= *m_apiContexts[op.apiIndex];
   1031 	const bool					isOk	= op.action->invoke(api, m_img, m_refImg);
   1032 
   1033 	if (isOk && m_curIter < (int)m_spec.operations.size())
   1034 		return CONTINUE;
   1035 	else if (isOk)
   1036 		m_testCtx.setTestResult(QP_TEST_RESULT_PASS, "Pass");
   1037 	else
   1038 		m_testCtx.setTestResult(QP_TEST_RESULT_FAIL, "Fail");
   1039 
   1040 	return STOP;
   1041 }
   1042 
   1043 struct LabeledAction
   1044 {
   1045 	string			label;
   1046 	MovePtr<Action>	action;
   1047 };
   1048 
   1049 // A simple vector mockup that we need because MovePtr isn't copy-constructible.
   1050 struct LabeledActions
   1051 {
   1052 					LabeledActions	(void) : m_numActions(0){}
   1053 	LabeledAction&	operator[]		(int ndx)				{ DE_ASSERT(0 <= ndx && ndx < m_numActions); return m_actions[ndx]; }
   1054 	void			add				(const string& label, MovePtr<Action> action);
   1055 	int				size			(void) const			{ return m_numActions; }
   1056 private:
   1057 	LabeledAction	m_actions[32];
   1058 	int				m_numActions;
   1059 };
   1060 
   1061 void LabeledActions::add (const string& label, MovePtr<Action> action)
   1062 {
   1063 	DE_ASSERT(m_numActions < DE_LENGTH_OF_ARRAY(m_actions));
   1064 	m_actions[m_numActions].label = label;
   1065 	m_actions[m_numActions].action = action;
   1066 	++m_numActions;
   1067 }
   1068 
   1069 class ImageTests : public TestCaseGroup
   1070 {
   1071 protected:
   1072 					ImageTests						(EglTestContext& eglTestCtx, const string& name, const string& desc)
   1073 						: TestCaseGroup(eglTestCtx, name.c_str(), desc.c_str()) {}
   1074 
   1075 	void			addCreateTexture				(const string& name, EGLenum source, GLenum format, GLenum type);
   1076 	void			addCreateRenderbuffer			(const string& name, GLenum format);
   1077 	void			addCreateAndroidNative			(const string& name, GLenum format);
   1078 	void			addCreateTexture2DActions		(const string& prefix);
   1079 	void			addCreateTextureCubemapActions	(const string& suffix, GLenum format, GLenum type);
   1080 	void			addCreateRenderbufferActions	(void);
   1081 	void			addCreateAndroidNativeActions	(void);
   1082 
   1083 	LabeledActions	m_createActions;
   1084 };
   1085 
   1086 void ImageTests::addCreateTexture (const string& name, EGLenum source, GLenum format, GLenum type)
   1087 {
   1088 	m_createActions.add(name, MovePtr<Action>(new GLES2ImageApi::Create(createTextureImageSource(source, format, type))));
   1089 }
   1090 
   1091 void ImageTests::addCreateRenderbuffer (const string& name, GLenum format)
   1092 {
   1093 	m_createActions.add(name, MovePtr<Action>(new GLES2ImageApi::Create(createRenderbufferImageSource(format))));
   1094 }
   1095 
   1096 void ImageTests::addCreateAndroidNative (const string& name, GLenum format)
   1097 {
   1098 	m_createActions.add(name, MovePtr<Action>(new GLES2ImageApi::Create(createAndroidNativeImageSource(format))));
   1099 }
   1100 
   1101 void ImageTests::addCreateTexture2DActions (const string& prefix)
   1102 {
   1103 	addCreateTexture(prefix + "rgb8", 		EGL_GL_TEXTURE_2D_KHR,	GL_RGB,		GL_UNSIGNED_BYTE);
   1104 	addCreateTexture(prefix + "rgb565",		EGL_GL_TEXTURE_2D_KHR,	GL_RGB,		GL_UNSIGNED_SHORT_5_6_5);
   1105 	addCreateTexture(prefix + "rgba8",		EGL_GL_TEXTURE_2D_KHR,	GL_RGBA,	GL_UNSIGNED_BYTE);
   1106 	addCreateTexture(prefix + "rgba5_a1",	EGL_GL_TEXTURE_2D_KHR,	GL_RGBA,	GL_UNSIGNED_SHORT_5_5_5_1);
   1107 	addCreateTexture(prefix + "rgba4",		EGL_GL_TEXTURE_2D_KHR,	GL_RGBA,	GL_UNSIGNED_SHORT_4_4_4_4);
   1108 }
   1109 
   1110 void ImageTests::addCreateTextureCubemapActions (const string& suffix, GLenum format, GLenum type)
   1111 {
   1112 	addCreateTexture("cubemap_positive_x" + suffix,	EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_X_KHR,	format,	type);
   1113 	addCreateTexture("cubemap_positive_y" + suffix,	EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y_KHR,	format,	type);
   1114 	addCreateTexture("cubemap_positive_z" + suffix,	EGL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z_KHR,	format,	type);
   1115 	addCreateTexture("cubemap_negative_x" + suffix,	EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X_KHR,	format,	type);
   1116 	addCreateTexture("cubemap_negative_y" + suffix,	EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y_KHR,	format,	type);
   1117 	addCreateTexture("cubemap_negative_z" + suffix,	EGL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z_KHR,	format,	type);
   1118 }
   1119 
   1120 void ImageTests::addCreateRenderbufferActions (void)
   1121 {
   1122 	addCreateRenderbuffer("renderbuffer_rgba4",		GL_RGBA4);
   1123 	addCreateRenderbuffer("renderbuffer_rgb5_a1",	GL_RGB5_A1);
   1124 	addCreateRenderbuffer("renderbuffer_rgb565",	GL_RGB565);
   1125 	addCreateRenderbuffer("renderbuffer_depth16",	GL_DEPTH_COMPONENT16);
   1126 	addCreateRenderbuffer("renderbuffer_stencil",	GL_STENCIL_INDEX8);
   1127 }
   1128 
   1129 void ImageTests::addCreateAndroidNativeActions (void)
   1130 {
   1131 	addCreateAndroidNative("android_native_rgb565",		GL_RGB565);
   1132 	addCreateAndroidNative("android_native_rgb8",		GL_RGB8);
   1133 	addCreateAndroidNative("android_native_rgba4",		GL_RGBA4);
   1134 	addCreateAndroidNative("android_native_rgb5_a1",	GL_RGB5_A1);
   1135 	addCreateAndroidNative("android_native_rgba8",		GL_RGBA8);
   1136 }
   1137 
   1138 class RenderTests : public ImageTests
   1139 {
   1140 protected:
   1141 											RenderTests				(EglTestContext& eglTestCtx, const string& name, const string& desc)
   1142 												: ImageTests			(eglTestCtx, name, desc) {}
   1143 
   1144 	void									addRenderActions		(void);
   1145 	LabeledActions							m_renderActions;
   1146 };
   1147 
   1148 void RenderTests::addRenderActions (void)
   1149 {
   1150 	m_renderActions.add("texture",			MovePtr<Action>(new GLES2ImageApi::RenderTexture2D()));
   1151 	m_renderActions.add("read_pixels",		MovePtr<Action>(new GLES2ImageApi::RenderReadPixelsRenderbuffer()));
   1152 	m_renderActions.add("depth_buffer",		MovePtr<Action>(new GLES2ImageApi::RenderDepthbuffer()));
   1153 	m_renderActions.add("stencil_buffer",	MovePtr<Action>(new GLES2ImageApi::RenderStencilbuffer()));
   1154 }
   1155 
   1156 class SimpleCreationTests : public RenderTests
   1157 {
   1158 public:
   1159 			SimpleCreationTests		(EglTestContext& eglTestCtx, const string& name, const string& desc) : RenderTests(eglTestCtx, name, desc) {}
   1160 	void	init					(void);
   1161 };
   1162 
   1163 bool isDepthFormat (GLenum format)
   1164 {
   1165 	switch (format)
   1166 	{
   1167 		case GL_RGB:
   1168 		case GL_RGB8:
   1169 		case GL_RGB565:
   1170 		case GL_RGBA:
   1171 		case GL_RGBA4:
   1172 		case GL_RGBA8:
   1173 		case GL_RGB5_A1:
   1174 			return false;
   1175 
   1176 		case GL_DEPTH_COMPONENT16:
   1177 			return true;
   1178 
   1179 		case GL_STENCIL_INDEX8:
   1180 			return false;
   1181 
   1182 		default:
   1183 			DE_ASSERT(false);
   1184 			return false;
   1185 	}
   1186 }
   1187 
   1188 bool isStencilFormat (GLenum format)
   1189 {
   1190 	switch (format)
   1191 	{
   1192 		case GL_RGB:
   1193 		case GL_RGB8:
   1194 		case GL_RGB565:
   1195 		case GL_RGBA:
   1196 		case GL_RGBA4:
   1197 		case GL_RGBA8:
   1198 		case GL_RGB5_A1:
   1199 			return false;
   1200 
   1201 		case GL_DEPTH_COMPONENT16:
   1202 			return false;
   1203 
   1204 		case GL_STENCIL_INDEX8:
   1205 			return true;
   1206 
   1207 		default:
   1208 			DE_ASSERT(false);
   1209 			return false;
   1210 	}
   1211 }
   1212 
   1213 bool isCompatibleCreateAndRenderActions (const Action& create, const Action& render)
   1214 {
   1215 	if (const GLES2ImageApi::Create* gles2Create = dynamic_cast<const GLES2ImageApi::Create*>(&create))
   1216 	{
   1217 		const GLenum createFormat = gles2Create->getFormat();
   1218 
   1219 		if (dynamic_cast<const GLES2ImageApi::RenderTexture2D*>(&render))
   1220 		{
   1221 			// GLES2 does not have depth or stencil textures
   1222 			if (isDepthFormat(createFormat) || isStencilFormat(createFormat))
   1223 				return false;
   1224 		}
   1225 
   1226 		if (dynamic_cast<const GLES2ImageApi::RenderReadPixelsRenderbuffer*>(&render))
   1227 		{
   1228 			// GLES2 does not support readPixels for depth or stencil
   1229 			if (isDepthFormat(createFormat) || isStencilFormat(createFormat))
   1230 				return false;
   1231 		}
   1232 
   1233 		if (dynamic_cast<const GLES2ImageApi::RenderDepthbuffer*>(&render))
   1234 		{
   1235 			// Copying non-depth data to depth renderbuffer and expecting meaningful
   1236 			// results just doesn't make any sense.
   1237 			if (!isDepthFormat(createFormat))
   1238 				return false;
   1239 		}
   1240 
   1241 		if (dynamic_cast<const GLES2ImageApi::RenderStencilbuffer*>(&render))
   1242 		{
   1243 			// Copying non-stencil data to stencil renderbuffer and expecting meaningful
   1244 			// results just doesn't make any sense.
   1245 			if (!isStencilFormat(createFormat))
   1246 				return false;
   1247 		}
   1248 
   1249 		return true;
   1250 	}
   1251 	else
   1252 		DE_ASSERT(false);
   1253 
   1254 	return false;
   1255 }
   1256 
   1257 void SimpleCreationTests::init (void)
   1258 {
   1259 	addCreateTexture2DActions("texture_");
   1260 	addCreateTextureCubemapActions("_rgba", GL_RGBA, GL_UNSIGNED_BYTE);
   1261 	addCreateTextureCubemapActions("_rgb", GL_RGB, GL_UNSIGNED_BYTE);
   1262 	addCreateRenderbufferActions();
   1263 	addCreateAndroidNativeActions();
   1264 	addRenderActions();
   1265 
   1266 	for (int createNdx = 0; createNdx < m_createActions.size(); createNdx++)
   1267 	{
   1268 		const LabeledAction& createAction = m_createActions[createNdx];
   1269 
   1270 		for (int renderNdx = 0; renderNdx < m_renderActions.size(); renderNdx++)
   1271 		{
   1272 			const LabeledAction&	renderAction	= m_renderActions[renderNdx];
   1273 			TestSpec				spec;
   1274 
   1275 			if (!isCompatibleCreateAndRenderActions(*createAction.action, *renderAction.action))
   1276 				continue;
   1277 
   1278 			spec.name = std::string("gles2_") + createAction.label + "_" + renderAction.label;
   1279 			spec.desc = spec.name;
   1280 			spec.contexts.push_back(TestSpec::API_GLES2);
   1281 			spec.operations.push_back(TestSpec::Operation(0, *createAction.action));
   1282 			spec.operations.push_back(TestSpec::Operation(0, *renderAction.action));
   1283 
   1284 			addChild(new ImageFormatCase(m_eglTestCtx, spec));
   1285 		}
   1286 	}
   1287 }
   1288 
   1289 TestCaseGroup* createSimpleCreationTests (EglTestContext& eglTestCtx, const string& name, const string& desc)
   1290 {
   1291 	return new SimpleCreationTests(eglTestCtx, name, desc);
   1292 }
   1293 
   1294 bool isCompatibleFormats (GLenum createFormat, GLenum modifyFormat)
   1295 {
   1296 	switch (createFormat)
   1297 	{
   1298 		case GL_RGB:
   1299 		case GL_RGB8:
   1300 		case GL_RGB565:
   1301 			if (modifyFormat == GL_RGB
   1302 				|| modifyFormat == GL_RGB8
   1303 				|| modifyFormat == GL_RGB565)
   1304 				return true;
   1305 			else
   1306 				return false;
   1307 
   1308 		case GL_RGBA:
   1309 		case GL_RGBA4:
   1310 		case GL_RGBA8:
   1311 		case GL_RGB5_A1:
   1312 			if (modifyFormat == GL_RGBA
   1313 				|| modifyFormat == GL_RGBA8
   1314 				|| modifyFormat == GL_RGBA4
   1315 				|| modifyFormat == GL_RGB5_A1)
   1316 				return true;
   1317 			else
   1318 				return false;
   1319 
   1320 		case GL_DEPTH_COMPONENT16:
   1321 		case GL_STENCIL_INDEX8:
   1322 			return false;
   1323 
   1324 		default:
   1325 			DE_ASSERT(false);
   1326 			return false;
   1327 	}
   1328 }
   1329 
   1330 bool isCompatibleCreateAndModifyActions (const Action& create, const Action& modify)
   1331 {
   1332 	if (const GLES2ImageApi::Create* gles2Create = dynamic_cast<const GLES2ImageApi::Create*>(&create))
   1333 	{
   1334 		const GLenum createFormat = gles2Create->getFormat();
   1335 
   1336 		if (const GLES2ImageApi::ModifyTexSubImage* gles2TexSubImageModify = dynamic_cast<const GLES2ImageApi::ModifyTexSubImage*>(&modify))
   1337 		{
   1338 			const GLenum modifyFormat  = gles2TexSubImageModify->getFormat();
   1339 
   1340 			return isCompatibleFormats(createFormat, modifyFormat);
   1341 		}
   1342 
   1343 		if (dynamic_cast<const GLES2ImageApi::ModifyRenderbufferClearColor*>(&modify))
   1344 		{
   1345 			// reintepreting color as non-color is not meaningful
   1346 			if (isDepthFormat(createFormat) || isStencilFormat(createFormat))
   1347 				return false;
   1348 		}
   1349 
   1350 		if (dynamic_cast<const GLES2ImageApi::ModifyRenderbufferClearDepth*>(&modify))
   1351 		{
   1352 			// reintepreting depth as non-depth is not meaningful
   1353 			if (!isDepthFormat(createFormat))
   1354 				return false;
   1355 		}
   1356 
   1357 		if (dynamic_cast<const GLES2ImageApi::ModifyRenderbufferClearStencil*>(&modify))
   1358 		{
   1359 			// reintepreting stencil as non-stencil is not meaningful
   1360 			if (!isStencilFormat(createFormat))
   1361 				return false;
   1362 		}
   1363 
   1364 		return true;
   1365 	}
   1366 	else
   1367 		DE_ASSERT(false);
   1368 
   1369 	return false;
   1370 }
   1371 
   1372 class MultiContextRenderTests : public RenderTests
   1373 {
   1374 public:
   1375 					MultiContextRenderTests		(EglTestContext& eglTestCtx, const string& name, const string& desc);
   1376 	void			init						(void);
   1377 	void			addClearActions				(void);
   1378 private:
   1379 	LabeledActions	m_clearActions;
   1380 };
   1381 
   1382 MultiContextRenderTests::MultiContextRenderTests (EglTestContext& eglTestCtx, const string& name, const string& desc)
   1383 	: RenderTests	(eglTestCtx, name, desc)
   1384 {
   1385 }
   1386 
   1387 void MultiContextRenderTests::addClearActions (void)
   1388 {
   1389 	m_clearActions.add("renderbuffer_clear_color",		MovePtr<Action>(new GLES2ImageApi::ModifyRenderbufferClearColor(tcu::Vec4(0.8f, 0.2f, 0.9f, 1.0f))));
   1390 	m_clearActions.add("renderbuffer_clear_depth",		MovePtr<Action>(new GLES2ImageApi::ModifyRenderbufferClearDepth(0.75f)));
   1391 	m_clearActions.add("renderbuffer_clear_stencil",	MovePtr<Action>(new GLES2ImageApi::ModifyRenderbufferClearStencil(97)));
   1392 }
   1393 
   1394 void MultiContextRenderTests::init (void)
   1395 {
   1396 	addCreateTexture2DActions("texture_");
   1397 	addCreateTextureCubemapActions("_rgba8", GL_RGBA, GL_UNSIGNED_BYTE);
   1398 	addCreateTextureCubemapActions("_rgb8", GL_RGB, GL_UNSIGNED_BYTE);
   1399 	addCreateRenderbufferActions();
   1400 	addCreateAndroidNativeActions();
   1401 	addRenderActions();
   1402 	addClearActions();
   1403 
   1404 	for (int createNdx = 0; createNdx < m_createActions.size(); createNdx++)
   1405 	for (int renderNdx = 0; renderNdx < m_renderActions.size(); renderNdx++)
   1406 	for (int clearNdx = 0; clearNdx < m_clearActions.size(); clearNdx++)
   1407 	{
   1408 		const LabeledAction&	createAction	= m_createActions[createNdx];
   1409 		const LabeledAction&	renderAction	= m_renderActions[renderNdx];
   1410 		const LabeledAction&	clearAction		= m_clearActions[clearNdx];
   1411 		TestSpec				spec;
   1412 
   1413 		if (!isCompatibleCreateAndRenderActions(*createAction.action, *renderAction.action))
   1414 			continue;
   1415 		if (!isCompatibleCreateAndModifyActions(*createAction.action, *clearAction.action))
   1416 			continue;
   1417 
   1418 		spec.name = std::string("gles2_") + createAction.label + "_" + renderAction.label;
   1419 		spec.desc = spec.name;
   1420 
   1421 		spec.contexts.push_back(TestSpec::API_GLES2);
   1422 		spec.contexts.push_back(TestSpec::API_GLES2);
   1423 
   1424 		spec.operations.push_back(TestSpec::Operation(0, *createAction.action));
   1425 		spec.operations.push_back(TestSpec::Operation(0, *renderAction.action));
   1426 		spec.operations.push_back(TestSpec::Operation(0, *clearAction.action));
   1427 		spec.operations.push_back(TestSpec::Operation(1, *createAction.action));
   1428 		spec.operations.push_back(TestSpec::Operation(0, *renderAction.action));
   1429 		spec.operations.push_back(TestSpec::Operation(1, *renderAction.action));
   1430 
   1431 		addChild(new ImageFormatCase(m_eglTestCtx, spec));
   1432 	}
   1433 }
   1434 
   1435 TestCaseGroup* createMultiContextRenderTests (EglTestContext& eglTestCtx, const string& name, const string& desc)
   1436 {
   1437 	return new MultiContextRenderTests(eglTestCtx, name, desc);
   1438 }
   1439 
   1440 class ModifyTests : public ImageTests
   1441 {
   1442 public:
   1443 								ModifyTests		(EglTestContext& eglTestCtx, const string& name, const string& desc)
   1444 									: ImageTests(eglTestCtx, name, desc) {}
   1445 
   1446 	void						init			(void);
   1447 
   1448 protected:
   1449 	void						addModifyActions(void);
   1450 
   1451 	LabeledActions				m_modifyActions;
   1452 	GLES2ImageApi::RenderTryAll	m_renderAction;
   1453 };
   1454 
   1455 void ModifyTests::addModifyActions (void)
   1456 {
   1457 	m_modifyActions.add("tex_subimage_rgb8",			MovePtr<Action>(new GLES2ImageApi::ModifyTexSubImage(GL_RGB,	GL_UNSIGNED_BYTE)));
   1458 	m_modifyActions.add("tex_subimage_rgb565",			MovePtr<Action>(new GLES2ImageApi::ModifyTexSubImage(GL_RGB, 	GL_UNSIGNED_SHORT_5_6_5)));
   1459 	m_modifyActions.add("tex_subimage_rgba8",			MovePtr<Action>(new GLES2ImageApi::ModifyTexSubImage(GL_RGBA,	GL_UNSIGNED_BYTE)));
   1460 	m_modifyActions.add("tex_subimage_rgba5_a1",		MovePtr<Action>(new GLES2ImageApi::ModifyTexSubImage(GL_RGBA,	GL_UNSIGNED_SHORT_5_5_5_1)));
   1461 	m_modifyActions.add("tex_subimage_rgba4",			MovePtr<Action>(new GLES2ImageApi::ModifyTexSubImage(GL_RGBA,	GL_UNSIGNED_SHORT_4_4_4_4)));
   1462 
   1463 	m_modifyActions.add("renderbuffer_clear_color",		MovePtr<Action>(new GLES2ImageApi::ModifyRenderbufferClearColor(tcu::Vec4(0.3f, 0.5f, 0.3f, 1.0f))));
   1464 	m_modifyActions.add("renderbuffer_clear_depth",		MovePtr<Action>(new GLES2ImageApi::ModifyRenderbufferClearDepth(0.7f)));
   1465 	m_modifyActions.add("renderbuffer_clear_stencil",	MovePtr<Action>(new GLES2ImageApi::ModifyRenderbufferClearStencil(78)));
   1466 }
   1467 
   1468 void ModifyTests::init (void)
   1469 {
   1470 	addCreateTexture2DActions("tex_");
   1471 	addCreateRenderbufferActions();
   1472 	addCreateAndroidNativeActions();
   1473 	addModifyActions();
   1474 
   1475 	for (int createNdx = 0; createNdx < m_createActions.size(); createNdx++)
   1476 	{
   1477 		LabeledAction& createAction = m_createActions[createNdx];
   1478 
   1479 		for (int modifyNdx = 0; modifyNdx < m_modifyActions.size(); modifyNdx++)
   1480 		{
   1481 			LabeledAction& modifyAction = m_modifyActions[modifyNdx];
   1482 
   1483 			if (!isCompatibleCreateAndModifyActions(*createAction.action, *modifyAction.action))
   1484 				continue;
   1485 
   1486 			TestSpec spec;
   1487 			spec.name = createAction.label + "_" + modifyAction.label;
   1488 			spec.desc = "gles2_tex_sub_image";
   1489 
   1490 			spec.contexts.push_back(TestSpec::API_GLES2);
   1491 
   1492 			spec.operations.push_back(TestSpec::Operation(0, *createAction.action));
   1493 			spec.operations.push_back(TestSpec::Operation(0, m_renderAction));
   1494 			spec.operations.push_back(TestSpec::Operation(0, *modifyAction.action));
   1495 			spec.operations.push_back(TestSpec::Operation(0, m_renderAction));
   1496 
   1497 			addChild(new ImageFormatCase(m_eglTestCtx, spec));
   1498 		}
   1499 	}
   1500 }
   1501 
   1502 TestCaseGroup* createModifyTests (EglTestContext& eglTestCtx, const string& name, const string& desc)
   1503 {
   1504 	return new ModifyTests(eglTestCtx, name, desc);
   1505 }
   1506 
   1507 } // Image
   1508 } // egl
   1509 } // deqp
   1510