// Copyright 2017 The SwiftShader Authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "gtest/gtest.h"
#include "gmock/gmock.h"
#include <EGL/egl.h>
#include <GLES2/gl2.h>
#include <GLES2/gl2ext.h>
#include <GLES3/gl3.h>
#if defined(_WIN32)
#include <Windows.h>
#endif
#define EXPECT_GLENUM_EQ(expected, actual) EXPECT_EQ(static_cast<GLenum>(expected), static_cast<GLenum>(actual))
class SwiftShaderTest : public testing::Test
{
protected:
void SetUp() override
{
#if defined(_WIN32) && !defined(STANDALONE)
// The DLLs are delay loaded (see BUILD.gn), so we can load
// the correct ones from Chrome's swiftshader subdirectory.
HMODULE libEGL = LoadLibraryA("swiftshader\\libEGL.dll");
EXPECT_NE((HMODULE)NULL, libEGL);
HMODULE libGLESv2 = LoadLibraryA("swiftshader\\libGLESv2.dll");
EXPECT_NE((HMODULE)NULL, libGLESv2);
#endif
}
void compareColor(unsigned char referenceColor[4])
{
unsigned char color[4] = { 0 };
glReadPixels(0, 0, 1, 1, GL_RGBA, GL_UNSIGNED_BYTE, &color);
EXPECT_EQ(color[0], referenceColor[0]);
EXPECT_EQ(color[1], referenceColor[1]);
EXPECT_EQ(color[2], referenceColor[2]);
EXPECT_EQ(color[3], referenceColor[3]);
}
void Initialize(int version, bool withChecks)
{
EXPECT_EQ(EGL_SUCCESS, eglGetError());
display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if(withChecks)
{
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_NE(EGL_NO_DISPLAY, display);
eglQueryString(display, EGL_VENDOR);
EXPECT_EQ(EGL_NOT_INITIALIZED, eglGetError());
}
EGLint major;
EGLint minor;
EGLBoolean initialized = eglInitialize(display, &major, &minor);
if(withChecks)
{
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ((EGLBoolean)EGL_TRUE, initialized);
EXPECT_EQ(1, major);
EXPECT_EQ(4, minor);
const char *eglVendor = eglQueryString(display, EGL_VENDOR);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_STREQ("Google Inc.", eglVendor);
const char *eglVersion = eglQueryString(display, EGL_VERSION);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_THAT(eglVersion, testing::HasSubstr("1.4 SwiftShader "));
}
eglBindAPI(EGL_OPENGL_ES_API);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
const EGLint configAttributes[] =
{
EGL_SURFACE_TYPE, EGL_PBUFFER_BIT,
EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
EGL_ALPHA_SIZE, 8,
EGL_NONE
};
EGLint num_config = -1;
EGLBoolean success = eglChooseConfig(display, configAttributes, &config, 1, &num_config);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(num_config, 1);
EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
if(withChecks)
{
EGLint conformant = 0;
eglGetConfigAttrib(display, config, EGL_CONFORMANT, &conformant);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_TRUE(conformant & EGL_OPENGL_ES2_BIT);
EGLint renderableType = 0;
eglGetConfigAttrib(display, config, EGL_RENDERABLE_TYPE, &renderableType);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_TRUE(renderableType & EGL_OPENGL_ES2_BIT);
EGLint surfaceType = 0;
eglGetConfigAttrib(display, config, EGL_RENDERABLE_TYPE, &surfaceType);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_TRUE(surfaceType & EGL_WINDOW_BIT);
}
EGLint surfaceAttributes[] =
{
EGL_WIDTH, 1920,
EGL_HEIGHT, 1080,
EGL_NONE
};
surface = eglCreatePbufferSurface(display, config, surfaceAttributes);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_NE(EGL_NO_SURFACE, surface);
EGLint contextAttributes[] =
{
EGL_CONTEXT_CLIENT_VERSION, version,
EGL_NONE
};
context = eglCreateContext(display, config, NULL, contextAttributes);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_NE(EGL_NO_CONTEXT, context);
success = eglMakeCurrent(display, surface, surface, context);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
if(withChecks)
{
EGLDisplay currentDisplay = eglGetCurrentDisplay();
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(display, currentDisplay);
EGLSurface currentDrawSurface = eglGetCurrentSurface(EGL_DRAW);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(surface, currentDrawSurface);
EGLSurface currentReadSurface = eglGetCurrentSurface(EGL_READ);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(surface, currentReadSurface);
EGLContext currentContext = eglGetCurrentContext();
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(context, currentContext);
}
EXPECT_GLENUM_EQ(GL_NO_ERROR, glGetError());
}
void Uninitialize()
{
EGLBoolean success = eglMakeCurrent(display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
EGLDisplay currentDisplay = eglGetCurrentDisplay();
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(EGL_NO_DISPLAY, currentDisplay);
EGLSurface currentDrawSurface = eglGetCurrentSurface(EGL_DRAW);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(EGL_NO_SURFACE, currentDrawSurface);
EGLSurface currentReadSurface = eglGetCurrentSurface(EGL_READ);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(EGL_NO_SURFACE, currentReadSurface);
EGLContext currentContext = eglGetCurrentContext();
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ(EGL_NO_CONTEXT, currentContext);
success = eglDestroyContext(display, context);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
success = eglDestroySurface(display, surface);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
success = eglTerminate(display);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
EXPECT_EQ((EGLBoolean)EGL_TRUE, success);
}
struct ProgramHandles {
GLuint program;
GLuint vsShader;
GLuint fsShader;
};
ProgramHandles createProgram(const std::string& vs, const std::string& fs)
{
ProgramHandles ph;
ph.program = glCreateProgram();
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
ph.vsShader = glCreateShader(GL_VERTEX_SHADER);
const char* vsSource[1] = { vs.c_str() };
glShaderSource(ph.vsShader, 1, vsSource, nullptr);
glCompileShader(ph.vsShader);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
ph.fsShader = glCreateShader(GL_FRAGMENT_SHADER);
const char* fsSource[1] = { fs.c_str() };
glShaderSource(ph.fsShader, 1, fsSource, nullptr);
glCompileShader(ph.fsShader);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
glAttachShader(ph.program, ph.vsShader);
glAttachShader(ph.program, ph.fsShader);
glLinkProgram(ph.program);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
return ph;
}
void deleteProgram(const ProgramHandles& ph)
{
glDeleteShader(ph.fsShader);
glDeleteShader(ph.vsShader);
glDeleteProgram(ph.program);
}
void drawQuad(GLuint program)
{
GLint prevProgram = 0;
glGetIntegerv(GL_CURRENT_PROGRAM, &prevProgram);
glUseProgram(program);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
GLint posLoc = glGetAttribLocation(program, "position");
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
GLint location = glGetUniformLocation(program, "tex");
ASSERT_NE(-1, location);
glUniform1i(location, 0);
float vertices[18] = { -1.0f, 1.0f, 0.5f,
-1.0f, -1.0f, 0.5f,
1.0f, -1.0f, 0.5f,
-1.0f, 1.0f, 0.5f,
1.0f, -1.0f, 0.5f,
1.0f, 1.0f, 0.5f };
glVertexAttribPointer(posLoc, 3, GL_FLOAT, GL_FALSE, 0, vertices);
glEnableVertexAttribArray(posLoc);
glDrawArrays(GL_TRIANGLES, 0, 6);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
glVertexAttribPointer(posLoc, 4, GL_FLOAT, GL_FALSE, 0, nullptr);
glDisableVertexAttribArray(posLoc);
glUseProgram(prevProgram);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
}
EGLDisplay getDisplay() const { return display; }
EGLConfig getConfig() const { return config; }
EGLSurface getSurface() const { return surface; }
EGLContext getContext() const { return context; }
private:
EGLDisplay display;
EGLConfig config;
EGLSurface surface;
EGLContext context;
};
TEST_F(SwiftShaderTest, Initalization)
{
Initialize(2, true);
const GLubyte *glVendor = glGetString(GL_VENDOR);
EXPECT_GLENUM_EQ(GL_NO_ERROR, glGetError());
EXPECT_STREQ("Google Inc.", (const char*)glVendor);
const GLubyte *glRenderer = glGetString(GL_RENDERER);
EXPECT_GLENUM_EQ(GL_NO_ERROR, glGetError());
EXPECT_STREQ("Google SwiftShader", (const char*)glRenderer);
const GLubyte *glVersion = glGetString(GL_VERSION);
EXPECT_GLENUM_EQ(GL_NO_ERROR, glGetError());
EXPECT_THAT((const char*)glVersion, testing::HasSubstr("OpenGL ES 2.0 SwiftShader "));
Uninitialize();
}
// Note: GL_ARB_texture_rectangle is part of gl2extchromium.h in the Chromium repo
// GL_ARB_texture_rectangle
#ifndef GL_ARB_texture_rectangle
#define GL_ARB_texture_rectangle 1
#ifndef GL_SAMPLER_2D_RECT_ARB
#define GL_SAMPLER_2D_RECT_ARB 0x8B63
#endif
#ifndef GL_TEXTURE_BINDING_RECTANGLE_ARB
#define GL_TEXTURE_BINDING_RECTANGLE_ARB 0x84F6
#endif
#ifndef GL_TEXTURE_RECTANGLE_ARB
#define GL_TEXTURE_RECTANGLE_ARB 0x84F5
#endif
#ifndef GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB
#define GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB 0x84F8
#endif
#endif // GL_ARB_texture_rectangle
// Test using TexImage2D to define a rectangle texture
TEST_F(SwiftShaderTest, TextureRectangle_TexImage2D)
{
Initialize(2, false);
GLuint tex = 1;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
// Defining level 0 is allowed
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 16, 16, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
// Defining level other than 0 is not allowed
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_RGBA, 16, 16, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
GLint maxSize = 0;
glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, &maxSize);
// Defining a texture of the max size is allowed
{
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, maxSize, maxSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
GLenum error = glGetError();
ASSERT_TRUE(error == GL_NO_ERROR || error == GL_OUT_OF_MEMORY);
}
// Defining a texture larger than the max size is disallowed
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, maxSize + 1, maxSize, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, maxSize, maxSize + 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
Uninitialize();
}
// Test using CompressedTexImage2D cannot be used on a retangle texture
TEST_F(SwiftShaderTest, TextureRectangle_CompressedTexImage2DDisallowed)
{
Initialize(2, false);
const char data[128] = { 0 };
// Control case: 2D texture
{
GLuint tex = 1;
glBindTexture(GL_TEXTURE_2D, tex);
glCompressedTexImage2D(GL_TEXTURE_2D, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 16, 16, 0, 128, data);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
}
// Rectangle textures cannot be compressed
{
GLuint tex = 2;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
glCompressedTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 16, 16, 0, 128, data);
EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
}
Uninitialize();
}
// Test using TexStorage2D to define a rectangle texture (ES3)
TEST_F(SwiftShaderTest, TextureRectangle_TexStorage2D)
{
Initialize(3, false);
// Defining one level is allowed
{
GLuint tex = 1;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
glTexStorage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_RGBA8UI, 16, 16);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
}
// Having more than one level is not allowed
{
GLuint tex = 2;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
// Use 5 levels because the EXT_texture_storage extension requires a mip chain all the way
// to a 1x1 mip.
glTexStorage2D(GL_TEXTURE_RECTANGLE_ARB, 5, GL_RGBA8UI, 16, 16);
EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
}
GLint maxSize = 0;
glGetIntegerv(GL_MAX_RECTANGLE_TEXTURE_SIZE_ARB, &maxSize);
// Defining a texture of the max size is allowed but still allow for OOM
{
GLuint tex = 3;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
glTexStorage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_RGBA8UI, maxSize, maxSize);
GLenum error = glGetError();
ASSERT_TRUE(error == GL_NO_ERROR || error == GL_OUT_OF_MEMORY);
}
// Defining a texture larger than the max size is disallowed
{
GLuint tex = 4;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
glTexStorage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_RGBA8UI, maxSize + 1, maxSize);
EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
glTexStorage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_RGBA8UI, maxSize, maxSize + 1);
EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
}
// Compressed formats are disallowed
GLuint tex = 5;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
glTexStorage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_COMPRESSED_RGBA_S3TC_DXT1_EXT, 16, 16);
EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
Uninitialize();
}
// Test validation of disallowed texture parameters
TEST_F(SwiftShaderTest, TextureRectangle_TexParameterRestriction)
{
Initialize(3, false);
GLuint tex = 1;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
// Only wrap mode CLAMP_TO_EDGE is supported
// Wrap S
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_REPEAT);
EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, GL_MIRRORED_REPEAT);
EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
// Wrap T
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_REPEAT);
EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, GL_MIRRORED_REPEAT);
EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
// Min filter has to be nearest or linear
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_NEAREST);
EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_LINEAR);
EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_NEAREST);
EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, GL_LINEAR_MIPMAP_LINEAR);
EXPECT_GLENUM_EQ(GL_INVALID_ENUM, glGetError());
// Base level has to be 0
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_BASE_LEVEL, 0);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
glTexParameteri(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_BASE_LEVEL, 1);
EXPECT_GLENUM_EQ(GL_INVALID_OPERATION, glGetError());
Uninitialize();
}
// Test validation of "level" in FramebufferTexture2D
TEST_F(SwiftShaderTest, TextureRectangle_FramebufferTexture2DLevel)
{
Initialize(3, false);
GLuint tex = 1;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 16, 16, 0, GL_RGBA, GL_UNSIGNED_BYTE, nullptr);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
GLuint fbo = 1;
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
// Using level 0 of a rectangle texture is valid.
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, tex, 0);
EXPECT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
// Setting level != 0 is invalid
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, tex, 1);
EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
Uninitialize();
}
// Test sampling from a rectangle texture
TEST_F(SwiftShaderTest, TextureRectangle_SamplingFromRectangle)
{
Initialize(3, false);
GLuint tex = 1;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
unsigned char green[4] = { 0, 255, 0, 255 };
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, green);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
const std::string vs =
"attribute vec4 position;\n"
"void main()\n"
"{\n"
" gl_Position = vec4(position.xy, 0.0, 1.0);\n"
"}\n";
const std::string fs =
"#extension GL_ARB_texture_rectangle : require\n"
"precision mediump float;\n"
"uniform sampler2DRect tex;\n"
"void main()\n"
"{\n"
" gl_FragColor = texture2DRect(tex, vec2(0, 0));\n"
"}\n";
const ProgramHandles ph = createProgram(vs, fs);
glUseProgram(ph.program);
GLint location = glGetUniformLocation(ph.program, "tex");
ASSERT_NE(-1, location);
glUniform1i(location, 0);
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
drawQuad(ph.program);
deleteProgram(ph);
compareColor(green);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
Uninitialize();
}
// Test sampling from a rectangle texture
TEST_F(SwiftShaderTest, TextureRectangle_SamplingFromRectangleESSL3)
{
Initialize(3, false);
GLuint tex = 1;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
unsigned char green[4] = { 0, 255, 0, 255 };
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, green);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
const std::string vs =
"#version 300 es\n"
"in vec4 position;\n"
"void main()\n"
"{\n"
" gl_Position = vec4(position.xy, 0.0, 1.0);\n"
"}\n";
const std::string fs =
"#version 300 es\n"
"#extension GL_ARB_texture_rectangle : require\n"
"precision mediump float;\n"
"uniform sampler2DRect tex;\n"
"out vec4 fragColor;\n"
"void main()\n"
"{\n"
" fragColor = texture(tex, vec2(0, 0));\n"
"}\n";
const ProgramHandles ph = createProgram(vs, fs);
glUseProgram(ph.program);
GLint location = glGetUniformLocation(ph.program, "tex");
ASSERT_NE(-1, location);
glUniform1i(location, 0);
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(GL_COLOR_BUFFER_BIT);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
drawQuad(ph.program);
deleteProgram(ph);
compareColor(green);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
Uninitialize();
}
// Test attaching a rectangle texture and rendering to it.
TEST_F(SwiftShaderTest, TextureRectangle_RenderToRectangle)
{
Initialize(3, false);
GLuint tex = 1;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
unsigned char black[4] = { 0, 0, 0, 255 };
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, black);
GLuint fbo = 1;
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, tex, 0);
EXPECT_GLENUM_EQ(GL_FRAMEBUFFER_COMPLETE, glCheckFramebufferStatus(GL_FRAMEBUFFER));
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
// Clearing a texture is just as good as checking we can render to it, right?
glClearColor(0.0, 1.0, 0.0, 1.0);
glClear(GL_COLOR_BUFFER_BIT);
unsigned char green[4] = { 0, 255, 0, 255 };
compareColor(green);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
Uninitialize();
}
TEST_F(SwiftShaderTest, TextureRectangle_DefaultSamplerParameters)
{
Initialize(3, false);
GLuint tex = 1;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
GLint minFilter = 0;
glGetTexParameteriv(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_MIN_FILTER, &minFilter);
EXPECT_GLENUM_EQ(GL_LINEAR, minFilter);
GLint wrapS = 0;
glGetTexParameteriv(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_S, &wrapS);
EXPECT_GLENUM_EQ(GL_CLAMP_TO_EDGE, wrapS);
GLint wrapT = 0;
glGetTexParameteriv(GL_TEXTURE_RECTANGLE_ARB, GL_TEXTURE_WRAP_T, &wrapT);
EXPECT_GLENUM_EQ(GL_CLAMP_TO_EDGE, wrapT);
Uninitialize();
}
// Test glCopyTexImage with rectangle textures (ES3)
TEST_F(SwiftShaderTest, TextureRectangle_CopyTexImage)
{
Initialize(3, false);
GLuint tex = 1;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glClearColor(0, 1, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
// Error case: level != 0
glCopyTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 1, GL_RGBA8, 0, 0, 1, 1, 0);
EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
// level = 0 works and defines the texture.
glCopyTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA8, 0, 0, 1, 1, 0);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
GLuint fbo = 1;
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, tex, 0);
unsigned char green[4] = { 0, 255, 0, 255 };
compareColor(green);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
Uninitialize();
}
// Test glCopyTexSubImage with rectangle textures (ES3)
TEST_F(SwiftShaderTest, TextureRectangle_CopyTexSubImage)
{
Initialize(3, false);
GLuint tex = 1;
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, tex);
unsigned char black[4] = { 0, 0, 0, 255 };
glTexImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, GL_RGBA, 1, 1, 0, GL_RGBA, GL_UNSIGNED_BYTE, black);
glBindFramebuffer(GL_FRAMEBUFFER, 0);
glClearColor(0, 1, 0, 1);
glClear(GL_COLOR_BUFFER_BIT);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
// Error case: level != 0
glCopyTexSubImage2D(GL_TEXTURE_RECTANGLE_ARB, 1, 0, 0, 0, 0, 1, 1);
EXPECT_GLENUM_EQ(GL_INVALID_VALUE, glGetError());
// level = 0 works and defines the texture.
glCopyTexSubImage2D(GL_TEXTURE_RECTANGLE_ARB, 0, 0, 0, 0, 0, 1, 1);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
GLuint fbo = 1;
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, tex, 0);
unsigned char green[4] = { 0, 255, 0, 255 };
compareColor(green);
EXPECT_GLENUM_EQ(GL_NONE, glGetError());
Uninitialize();
}
#ifndef EGL_ANGLE_iosurface_client_buffer
#define EGL_ANGLE_iosurface_client_buffer 1
#define EGL_IOSURFACE_ANGLE 0x3454
#define EGL_IOSURFACE_PLANE_ANGLE 0x345A
#define EGL_TEXTURE_RECTANGLE_ANGLE 0x345B
#define EGL_TEXTURE_TYPE_ANGLE 0x345C
#define EGL_TEXTURE_INTERNAL_FORMAT_ANGLE 0x345D
#endif /* EGL_ANGLE_iosurface_client_buffer */
#if defined(__APPLE__)
#include <CoreFoundation/CoreFoundation.h>
#include <IOSurface/IOSurface.h>
namespace
{
void AddIntegerValue(CFMutableDictionaryRef dictionary, const CFStringRef key, int32_t value)
{
CFNumberRef number = CFNumberCreate(nullptr, kCFNumberSInt32Type, &value);
CFDictionaryAddValue(dictionary, key, number);
CFRelease(number);
}
} // anonymous namespace
class EGLClientBufferWrapper
{
public:
EGLClientBufferWrapper(int width = 1, int height = 1)
{
// Create a 1 by 1 BGRA8888 IOSurface
ioSurface = nullptr;
CFMutableDictionaryRef dict = CFDictionaryCreateMutable(
kCFAllocatorDefault, 0, &kCFTypeDictionaryKeyCallBacks, &kCFTypeDictionaryValueCallBacks);
AddIntegerValue(dict, kIOSurfaceWidth, width);
AddIntegerValue(dict, kIOSurfaceHeight, height);
AddIntegerValue(dict, kIOSurfacePixelFormat, 'BGRA');
AddIntegerValue(dict, kIOSurfaceBytesPerElement, 4);
ioSurface = IOSurfaceCreate(dict);
CFRelease(dict);
EXPECT_NE(nullptr, ioSurface);
}
~EGLClientBufferWrapper()
{
IOSurfaceUnlock(ioSurface, kIOSurfaceLockReadOnly, nullptr);
CFRelease(ioSurface);
}
EGLClientBuffer getClientBuffer() const
{
return ioSurface;
}
const unsigned char* lockColor()
{
IOSurfaceLock(ioSurface, kIOSurfaceLockReadOnly, nullptr);
return reinterpret_cast<const unsigned char*>(IOSurfaceGetBaseAddress(ioSurface));
}
void unlockColor()
{
IOSurfaceUnlock(ioSurface, kIOSurfaceLockReadOnly, nullptr);
}
void writeColor(void* data, size_t dataSize)
{
// Write the data to the IOSurface
IOSurfaceLock(ioSurface, 0, nullptr);
memcpy(IOSurfaceGetBaseAddress(ioSurface), data, dataSize);
IOSurfaceUnlock(ioSurface, 0, nullptr);
}
private:
IOSurfaceRef ioSurface;
};
#else // __APPLE__
class EGLClientBufferWrapper
{
public:
EGLClientBufferWrapper(int width = 1, int height = 1)
{
clientBuffer = new unsigned char[4 * width * height];
}
~EGLClientBufferWrapper()
{
delete[] clientBuffer;
}
EGLClientBuffer getClientBuffer() const
{
return clientBuffer;
}
const unsigned char* lockColor()
{
return clientBuffer;
}
void unlockColor()
{
}
void writeColor(void* data, size_t dataSize)
{
memcpy(clientBuffer, data, dataSize);
}
private:
unsigned char* clientBuffer;
};
#endif
class IOSurfaceClientBufferTest : public SwiftShaderTest
{
protected:
EGLSurface createIOSurfacePbuffer(EGLClientBuffer buffer, EGLint width, EGLint height, EGLint plane, GLenum internalFormat, GLenum type) const
{
// Make a PBuffer from it using the EGL_ANGLE_iosurface_client_buffer extension
const EGLint attribs[] = {
EGL_WIDTH, width,
EGL_HEIGHT, height,
EGL_IOSURFACE_PLANE_ANGLE, plane,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, (EGLint)internalFormat,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, (EGLint)type,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, buffer, getConfig(), attribs);
EXPECT_NE(EGL_NO_SURFACE, pbuffer);
return pbuffer;
}
void bindIOSurfaceToTexture(EGLClientBuffer buffer, EGLint width, EGLint height, EGLint plane, GLenum internalFormat, GLenum type, EGLSurface *pbuffer, GLuint *texture) const
{
*pbuffer = createIOSurfacePbuffer(buffer, width, height, plane, internalFormat, type);
// Bind the pbuffer
glBindTexture(GL_TEXTURE_RECTANGLE_ARB, *texture);
EGLBoolean result = eglBindTexImage(getDisplay(), *pbuffer, EGL_BACK_BUFFER);
EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
}
void doClear(GLenum internalFormat, bool clearToZero)
{
if(internalFormat == GL_R16UI)
{
GLuint color = clearToZero ? 0 : 257;
glClearBufferuiv(GL_COLOR, 0, &color);
EXPECT_GLENUM_EQ(GL_NO_ERROR, glGetError());
}
else
{
glClearColor(clearToZero ? 0.0f : 1.0f / 255.0f,
clearToZero ? 0.0f : 2.0f / 255.0f,
clearToZero ? 0.0f : 3.0f / 255.0f,
clearToZero ? 0.0f : 4.0f / 255.0f);
EXPECT_GLENUM_EQ(GL_NO_ERROR, glGetError());
glClear(GL_COLOR_BUFFER_BIT);
EXPECT_GLENUM_EQ(GL_NO_ERROR, glGetError());
}
}
void doClearTest(EGLClientBufferWrapper& clientBufferWrapper, GLenum internalFormat, GLenum type, void *data, size_t dataSize)
{
ASSERT_TRUE(dataSize <= 4);
// Bind the IOSurface to a texture and clear it.
GLuint texture = 1;
EGLSurface pbuffer;
bindIOSurfaceToTexture(clientBufferWrapper.getClientBuffer(), 1, 1, 0, internalFormat, type, &pbuffer, &texture);
// glClear the pbuffer
GLuint fbo = 2;
glBindFramebuffer(GL_FRAMEBUFFER, fbo);
EXPECT_GLENUM_EQ(GL_NO_ERROR, glGetError());
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_RECTANGLE_ARB, texture, 0);
EXPECT_GLENUM_EQ(GL_NO_ERROR, glGetError());
EXPECT_GLENUM_EQ(glCheckFramebufferStatus(GL_FRAMEBUFFER), GL_FRAMEBUFFER_COMPLETE);
EXPECT_GLENUM_EQ(GL_NO_ERROR, glGetError());
doClear(internalFormat, false);
// Unbind pbuffer and check content.
EGLBoolean result = eglReleaseTexImage(getDisplay(), pbuffer, EGL_BACK_BUFFER);
EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
const unsigned char* color = clientBufferWrapper.lockColor();
for(size_t i = 0; i < dataSize; ++i)
{
EXPECT_EQ(color[i], reinterpret_cast<unsigned char*>(data)[i]);
}
result = eglDestroySurface(getDisplay(), pbuffer);
EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
}
void doSampleTest(EGLClientBufferWrapper& clientBufferWrapper, GLenum internalFormat, GLenum type, void *data, size_t dataSize)
{
ASSERT_TRUE(dataSize <= 4);
clientBufferWrapper.writeColor(data, dataSize);
// Bind the IOSurface to a texture and clear it.
GLuint texture = 1;
EGLSurface pbuffer;
bindIOSurfaceToTexture(clientBufferWrapper.getClientBuffer(), 1, 1, 0, internalFormat, type, &pbuffer, &texture);
doClear(internalFormat, true);
// Create program and draw quad using it
const std::string vs =
"attribute vec4 position;\n"
"void main()\n"
"{\n"
" gl_Position = vec4(position.xy, 0.0, 1.0);\n"
"}\n";
const std::string fs =
"#extension GL_ARB_texture_rectangle : require\n"
"precision mediump float;\n"
"uniform sampler2DRect tex;\n"
"void main()\n"
"{\n"
" gl_FragColor = texture2DRect(tex, vec2(0, 0));\n"
"}\n";
const ProgramHandles ph = createProgram(vs, fs);
drawQuad(ph.program);
deleteProgram(ph);
EXPECT_GLENUM_EQ(GL_NO_ERROR, glGetError());
// Unbind pbuffer and check content.
EGLBoolean result = eglReleaseTexImage(getDisplay(), pbuffer, EGL_BACK_BUFFER);
EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
const unsigned char* color = clientBufferWrapper.lockColor();
for(size_t i = 0; i < dataSize; ++i)
{
EXPECT_EQ(color[i], reinterpret_cast<unsigned char*>(data)[i]);
}
clientBufferWrapper.unlockColor();
}
};
// Tests for the EGL_ANGLE_iosurface_client_buffer extension
TEST_F(IOSurfaceClientBufferTest, RenderToBGRA8888IOSurface)
{
Initialize(3, false);
{ // EGLClientBufferWrapper scope
EGLClientBufferWrapper clientBufferWrapper;
unsigned char data[4] = { 3, 2, 1, 4 };
doClearTest(clientBufferWrapper, GL_BGRA_EXT, GL_UNSIGNED_BYTE, data, 4);
} // end of EGLClientBufferWrapper scope
Uninitialize();
}
// Test reading from BGRA8888 IOSurfaces
TEST_F(IOSurfaceClientBufferTest, ReadFromBGRA8888IOSurface)
{
Initialize(3, false);
{ // EGLClientBufferWrapper scope
EGLClientBufferWrapper clientBufferWrapper;
unsigned char data[4] = { 3, 2, 1, 4 };
doSampleTest(clientBufferWrapper, GL_BGRA_EXT, GL_UNSIGNED_BYTE, data, 4);
} // end of EGLClientBufferWrapper scope
Uninitialize();
}
// Test using RG88 IOSurfaces for rendering
TEST_F(IOSurfaceClientBufferTest, RenderToRG88IOSurface)
{
Initialize(3, false);
{ // EGLClientBufferWrapper scope
EGLClientBufferWrapper clientBufferWrapper;
unsigned char data[2] = { 1, 2 };
doClearTest(clientBufferWrapper, GL_RG, GL_UNSIGNED_BYTE, data, 2);
} // end of EGLClientBufferWrapper scope
Uninitialize();
}
// Test reading from RG88 IOSurfaces
TEST_F(IOSurfaceClientBufferTest, ReadFromRG88IOSurface)
{
Initialize(3, false);
{ // EGLClientBufferWrapper scope
EGLClientBufferWrapper clientBufferWrapper;
unsigned char data[2] = { 1, 2 };
doSampleTest(clientBufferWrapper, GL_RG, GL_UNSIGNED_BYTE, data, 2);
} // end of EGLClientBufferWrapper scope
Uninitialize();
}
// Test using R8 IOSurfaces for rendering
TEST_F(IOSurfaceClientBufferTest, RenderToR8IOSurface)
{
Initialize(3, false);
{ // EGLClientBufferWrapper scope
EGLClientBufferWrapper clientBufferWrapper;
unsigned char data[1] = { 1 };
doClearTest(clientBufferWrapper, GL_RED, GL_UNSIGNED_BYTE, data, 1);
} // end of EGLClientBufferWrapper scope
Uninitialize();
}
// Test reading from R8 IOSurfaces
TEST_F(IOSurfaceClientBufferTest, ReadFromR8IOSurface)
{
Initialize(3, false);
{ // EGLClientBufferWrapper scope
EGLClientBufferWrapper clientBufferWrapper;
unsigned char data[1] = { 1 };
doSampleTest(clientBufferWrapper, GL_RED, GL_UNSIGNED_BYTE, data, 1);
} // end of EGLClientBufferWrapper scope
Uninitialize();
}
// Test using R16 IOSurfaces for rendering
TEST_F(IOSurfaceClientBufferTest, RenderToR16IOSurface)
{
Initialize(3, false);
{ // EGLClientBufferWrapper scope
EGLClientBufferWrapper clientBufferWrapper;
uint16_t data[1] = { 257 };
doClearTest(clientBufferWrapper, GL_R16UI, GL_UNSIGNED_SHORT, data, 2);
} // end of EGLClientBufferWrapper scope
Uninitialize();
}
// Test reading from R8 IOSurfaces
TEST_F(IOSurfaceClientBufferTest, ReadFromR16IOSurface)
{
Initialize(3, false);
{ // EGLClientBufferWrapper scope
EGLClientBufferWrapper clientBufferWrapper;
uint16_t data[1] = { 257 };
doSampleTest(clientBufferWrapper, GL_R16UI, GL_UNSIGNED_SHORT, data, 1);
} // end of EGLClientBufferWrapper scope
Uninitialize();
}
// Test the validation errors for missing attributes for eglCreatePbufferFromClientBuffer with
// IOSurface
TEST_F(IOSurfaceClientBufferTest, NegativeValidationMissingAttributes)
{
Initialize(3, false);
{
EGLClientBufferWrapper clientBufferWrapper(10, 10);
// Success case
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_NE(EGL_NO_SURFACE, pbuffer);
EGLBoolean result = eglDestroySurface(getDisplay(), pbuffer);
EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
}
// Missing EGL_WIDTH
{
const EGLint attribs[] = {
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_PARAMETER, eglGetError());
}
// Missing EGL_HEIGHT
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_PARAMETER, eglGetError());
}
// Missing EGL_IOSURFACE_PLANE_ANGLE
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 10,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_PARAMETER, eglGetError());
}
// Missing EGL_TEXTURE_TARGET - EGL_BAD_MATCH from the base spec of
// eglCreatePbufferFromClientBuffer
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_MATCH, eglGetError());
}
// Missing EGL_TEXTURE_INTERNAL_FORMAT_ANGLE
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_PARAMETER, eglGetError());
}
// Missing EGL_TEXTURE_FORMAT - EGL_BAD_MATCH from the base spec of
// eglCreatePbufferFromClientBuffer
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_MATCH, eglGetError());
}
// Missing EGL_TEXTURE_TYPE_ANGLE
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_PARAMETER, eglGetError());
}
}
Uninitialize();
}
// Test the validation errors for bad parameters for eglCreatePbufferFromClientBuffer with IOSurface
TEST_F(IOSurfaceClientBufferTest, NegativeValidationBadAttributes)
{
Initialize(3, false);
{
EGLClientBufferWrapper clientBufferWrapper(10, 10);
// Success case
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_NE(EGL_NO_SURFACE, pbuffer);
EGLBoolean result = eglDestroySurface(getDisplay(), pbuffer);
EXPECT_EQ((EGLBoolean)EGL_TRUE, result);
EXPECT_EQ(EGL_SUCCESS, eglGetError());
}
// EGL_TEXTURE_FORMAT must be EGL_TEXTURE_RGBA
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGB,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
}
// EGL_WIDTH must be at least 1
{
const EGLint attribs[] = {
EGL_WIDTH, 0,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
}
// EGL_HEIGHT must be at least 1
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 0,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
}
#if defined(__APPLE__)
// EGL_WIDTH must be at most the width of the IOSurface
{
const EGLint attribs[] = {
EGL_WIDTH, 11,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
}
// EGL_HEIGHT must be at most the height of the IOSurface
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 11,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
}
// EGL_IOSURFACE_PLANE_ANGLE must less than the number of planes of the IOSurface
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 1,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
}
#endif
// EGL_TEXTURE_FORMAT must be at EGL_TEXTURE_RECTANGLE_ANGLE
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_2D,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
}
// EGL_IOSURFACE_PLANE_ANGLE must be at least 0
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, -1,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_BGRA_EXT,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
}
// The internal format / type most be listed in the table
{
const EGLint attribs[] = {
EGL_WIDTH, 10,
EGL_HEIGHT, 10,
EGL_IOSURFACE_PLANE_ANGLE, 0,
EGL_TEXTURE_TARGET, EGL_TEXTURE_RECTANGLE_ANGLE,
EGL_TEXTURE_INTERNAL_FORMAT_ANGLE, GL_RGBA,
EGL_TEXTURE_FORMAT, EGL_TEXTURE_RGBA,
EGL_TEXTURE_TYPE_ANGLE, GL_UNSIGNED_BYTE,
EGL_NONE, EGL_NONE,
};
EGLSurface pbuffer = eglCreatePbufferFromClientBuffer(getDisplay(), EGL_IOSURFACE_ANGLE, clientBufferWrapper.getClientBuffer(), getConfig(), attribs);
EXPECT_EQ(EGL_NO_SURFACE, pbuffer);
EXPECT_EQ(EGL_BAD_ATTRIBUTE, eglGetError());
}
}
Uninitialize();
}
// Test IOSurface pbuffers cannot be made current
TEST_F(IOSurfaceClientBufferTest, MakeCurrentDisallowed)
{
Initialize(3, false);
{
EGLClientBufferWrapper clientBufferWrapper(10, 10);
EGLSurface pbuffer = createIOSurfacePbuffer(clientBufferWrapper.getClientBuffer(), 10, 10, 0, GL_BGRA_EXT, GL_UNSIGNED_BYTE);
EGLBoolean result = eglMakeCurrent(getDisplay(), pbuffer, pbuffer, getContext());
EXPECT_EQ((EGLBoolean)EGL_FALSE, result);
EXPECT_EQ(EGL_BAD_SURFACE, eglGetError());
}
Uninitialize();
}