Remove points from fixed function.
Add basic GL performance test.
Change-Id: I421a41b6683b2c5f70045cdd0f610a6939105fee
diff --git a/opengl/tests/gl_perf/Android.mk b/opengl/tests/gl_perf/Android.mk
new file mode 100644
index 0000000..37647ca
--- /dev/null
+++ b/opengl/tests/gl_perf/Android.mk
@@ -0,0 +1,20 @@
+LOCAL_PATH:= $(call my-dir)
+include $(CLEAR_VARS)
+
+LOCAL_SRC_FILES:= \
+ gl2_perf.cpp \
+ filltest.cpp
+
+LOCAL_SHARED_LIBRARIES := \
+ libcutils \
+ libEGL \
+ libGLESv2 \
+ libui
+
+LOCAL_MODULE:= test-opengl-gl2_perf
+
+LOCAL_MODULE_TAGS := optional
+
+LOCAL_CFLAGS := -DGL_GLEXT_PROTOTYPES
+
+include $(BUILD_EXECUTABLE)
diff --git a/opengl/tests/gl_perf/filltest.cpp b/opengl/tests/gl_perf/filltest.cpp
new file mode 100644
index 0000000..ef85807
--- /dev/null
+++ b/opengl/tests/gl_perf/filltest.cpp
@@ -0,0 +1,382 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * 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 <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <sched.h>
+#include <sys/resource.h>
+
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+#include <utils/Timers.h>
+#include <EGL/egl.h>
+
+
+using namespace android;
+
+static void checkGlError(const char* op) {
+ for (GLint error = glGetError(); error; error
+ = glGetError()) {
+ fprintf(stderr, "after %s() glError (0x%x)\n", op, error);
+ }
+}
+
+GLuint loadShader(GLenum shaderType, const char* pSource) {
+ GLuint shader = glCreateShader(shaderType);
+ if (shader) {
+ glShaderSource(shader, 1, &pSource, NULL);
+ glCompileShader(shader);
+ GLint compiled = 0;
+ glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled);
+ if (!compiled) {
+ GLint infoLen = 0;
+ glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLen);
+ if (infoLen) {
+ char* buf = (char*) malloc(infoLen);
+ if (buf) {
+ glGetShaderInfoLog(shader, infoLen, NULL, buf);
+ fprintf(stderr, "Could not compile shader %d:\n%s\n",
+ shaderType, buf);
+ free(buf);
+ }
+ glDeleteShader(shader);
+ shader = 0;
+ }
+ }
+ }
+ return shader;
+}
+
+enum {
+ A_POS,
+ A_COLOR,
+ A_TEX0,
+ A_TEX1
+};
+
+GLuint createProgram(const char* pVertexSource, const char* pFragmentSource) {
+ GLuint vertexShader = loadShader(GL_VERTEX_SHADER, pVertexSource);
+ if (!vertexShader) {
+ return 0;
+ }
+
+ GLuint pixelShader = loadShader(GL_FRAGMENT_SHADER, pFragmentSource);
+ if (!pixelShader) {
+ return 0;
+ }
+
+ GLuint program = glCreateProgram();
+ if (program) {
+ glAttachShader(program, vertexShader);
+ checkGlError("glAttachShader v");
+ glAttachShader(program, pixelShader);
+ checkGlError("glAttachShader p");
+
+ glBindAttribLocation(program, A_POS, "a_pos");
+ glBindAttribLocation(program, A_COLOR, "a_color");
+ glBindAttribLocation(program, A_TEX0, "a_tex0");
+ glBindAttribLocation(program, A_TEX1, "a_tex1");
+ glLinkProgram(program);
+ GLint linkStatus = GL_FALSE;
+ glGetProgramiv(program, GL_LINK_STATUS, &linkStatus);
+ if (linkStatus != GL_TRUE) {
+ GLint bufLength = 0;
+ glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength);
+ if (bufLength) {
+ char* buf = (char*) malloc(bufLength);
+ if (buf) {
+ glGetProgramInfoLog(program, bufLength, NULL, buf);
+ printf("Could not link program:\n%s\n", buf);
+ free(buf);
+ }
+ }
+ glDeleteProgram(program);
+ program = 0;
+ }
+ }
+ checkGlError("createProgram");
+ glUseProgram(program);
+ return program;
+}
+
+uint64_t getTime() {
+ struct timespec t;
+ clock_gettime(CLOCK_MONOTONIC, &t);
+ return t.tv_nsec + ((uint64_t)t.tv_sec * 1000 * 1000 * 1000);
+}
+
+uint64_t gTime;
+void startTimer() {
+ gTime = getTime();
+}
+
+void endTimer(const char *str, int w, int h, double dc, int count) {
+ uint64_t t2 = getTime();
+ double delta = ((double)(t2 - gTime)) / 1000000000;
+ double pixels = dc * (w * h) * count;
+ double mpps = pixels / delta / 1000000;
+ double dc60 = pixels / delta / (w * h) / 60;
+
+ printf("test %s, Mpps %f, dc = %f\n", str, mpps, dc60);
+}
+
+static const char gVertexShader[] =
+ "attribute vec4 a_pos;\n"
+ "attribute vec4 a_color;\n"
+ "attribute vec2 a_tex0;\n"
+ "attribute vec2 a_tex1;\n"
+ "varying vec4 v_color;\n"
+ "varying vec2 v_tex0;\n"
+ "varying vec2 v_tex1;\n"
+
+ "void main() {\n"
+ " v_color = a_color;\n"
+ " v_tex0 = a_tex0;\n"
+ " v_tex1 = a_tex1;\n"
+ " gl_Position = a_pos;\n"
+ "}\n";
+
+static const char gShaderPrefix[] =
+ "precision mediump float;\n"
+ "uniform vec4 u_color;\n"
+ "uniform vec4 u_0;\n"
+ "uniform vec4 u_1;\n"
+ "uniform vec4 u_2;\n"
+ "uniform vec4 u_3;\n"
+ "varying vec4 v_color;\n"
+ "varying vec2 v_tex0;\n"
+ "varying vec2 v_tex1;\n"
+ "uniform sampler2D u_tex0;\n"
+ "uniform sampler2D u_tex1;\n"
+ "void main() {\n";
+
+static const char gShaderPostfix[] =
+ " gl_FragColor = c;\n"
+ "}\n";
+
+
+static char * append(char *d, const char *s) {
+ size_t len = strlen(s);
+ memcpy(d, s, len);
+ return d + len;
+}
+
+static char * genShader(
+ bool useVarColor,
+ int texCount,
+ bool modulateFirstTex,
+ int extraMath)
+{
+ char *str = (char *)calloc(16 * 1024, 1);
+ char *tmp = append(str, gShaderPrefix);
+
+ if (modulateFirstTex || !texCount) {
+ if (useVarColor) {
+ tmp = append(tmp, " vec4 c = v_color;\n");
+ } else {
+ tmp = append(tmp, " vec4 c = u_color;\n");
+ }
+ } else {
+ tmp = append(tmp, " vec4 c = texture2D(u_tex0, v_tex0);\n");
+ }
+
+ if (modulateFirstTex && texCount) {
+ tmp = append(tmp, " c *= texture2D(u_tex0, v_tex0);\n");
+ }
+ if (texCount > 1) {
+ tmp = append(tmp, " c *= texture2D(u_tex1, v_tex1);\n");
+ }
+
+ if (extraMath > 0) {
+ tmp = append(tmp, " c *= u_0;\n");
+ }
+ if (extraMath > 1) {
+ tmp = append(tmp, " c *= u_1;\n");
+ }
+ if (extraMath > 2) {
+ tmp = append(tmp, " c *= u_2;\n");
+ }
+ if (extraMath > 3) {
+ tmp = append(tmp, " c *= u_3;\n");
+ }
+
+
+ tmp = append(tmp, gShaderPostfix);
+ tmp[0] = 0;
+
+ //printf("%s", str);
+ return str;
+}
+
+static void setupVA() {
+ static const float vtx[] = {
+ -2.0f,-1.0f,
+ 1.0f,-1.0f,
+ -2.0f, 1.0f,
+ 1.0f, 1.0f };
+ static const float color[] = {
+ 1.0f,0.0f,1.0f,1.0f,
+ 0.0f,0.0f,1.0f,1.0f,
+ 1.0f,1.0f,0.0f,1.0f,
+ 1.0f,1.0f,1.0f,1.0f };
+ static const float tex0[] = {
+ 0.0f,0.0f,
+ 1.0f,0.0f,
+ 1.0f,1.0f,
+ 0.0f,1.0f };
+ static const float tex1[] = {
+ 1.0f,0.0f,
+ 1.0f,1.0f,
+ 0.0f,1.0f,
+ 0.0f,0.0f };
+
+ glEnableVertexAttribArray(A_POS);
+ glEnableVertexAttribArray(A_COLOR);
+ glEnableVertexAttribArray(A_TEX0);
+ glEnableVertexAttribArray(A_TEX1);
+
+ glVertexAttribPointer(A_POS, 2, GL_FLOAT, false, 8, vtx);
+ glVertexAttribPointer(A_COLOR, 4, GL_FLOAT, false, 16, color);
+ glVertexAttribPointer(A_TEX0, 2, GL_FLOAT, false, 8, tex0);
+ glVertexAttribPointer(A_TEX1, 2, GL_FLOAT, false, 8, tex1);
+}
+
+//////////////////////////
+
+void ptSwap();
+
+static void doLoop(uint32_t w, uint32_t h, const char *str) {
+ glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+ ptSwap();
+ glFinish();
+
+ startTimer();
+ glClear(GL_DEPTH_BUFFER_BIT | GL_COLOR_BUFFER_BIT);
+ for (int ct=0; ct < 100; ct++) {
+ glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
+ }
+ ptSwap();
+ glFinish();
+ endTimer(str, w, h, 1, 100);
+}
+
+static void doSingleTest(uint32_t w, uint32_t h,
+ bool useVarColor,
+ int texCount,
+ bool modulateFirstTex,
+ int extraMath,
+ int tex0, int tex1) {
+ char *pgmTxt = genShader(useVarColor, texCount, modulateFirstTex, extraMath);
+ int pgm = createProgram(gVertexShader, pgmTxt);
+ if (!pgm) {
+ printf("error running test\n");
+ return;
+ }
+ int loc = glGetUniformLocation(pgm, "u_tex0");
+ //printf("loc = %i \n", loc);
+ if (loc >= 0) glUniform1i(loc, 0);
+ loc = glGetUniformLocation(pgm, "u_tex1");
+ if (loc >= 0) glUniform1i(loc, 1);
+
+ loc = glGetUniformLocation(pgm, "u_color");
+ if (loc >= 0) glUniform4f(loc, 1.f, 0.4f, 0.6f, 0.8f);
+
+ loc = glGetUniformLocation(pgm, "u_0");
+ if (loc >= 0) glUniform4f(loc, 1.f, 0.4f, 0.6f, 0.8f);
+
+ loc = glGetUniformLocation(pgm, "u_1");
+ if (loc >= 0) glUniform4f(loc, 0.7f, 0.8f, 0.6f, 0.8f);
+
+ loc = glGetUniformLocation(pgm, "u_2");
+ if (loc >= 0) glUniform4f(loc, 0.9f, 0.6f, 0.7f, 1.0f);
+
+ loc = glGetUniformLocation(pgm, "u_3");
+ if (loc >= 0) glUniform4f(loc, 0.88f, 0.2f, 0.4f, 0.2f);
+
+ glActiveTexture(GL_TEXTURE0);
+ glBindTexture(GL_TEXTURE_2D, tex0);
+ glActiveTexture(GL_TEXTURE1);
+ glBindTexture(GL_TEXTURE_2D, tex1);
+ glActiveTexture(GL_TEXTURE0);
+
+ char str2[1024];
+
+ glBlendFunc(GL_ONE, GL_ONE);
+ glDisable(GL_BLEND);
+ sprintf(str2, "Test varColor=%i, texCount=%i, modulate=%i, extraMath=%i, texSize=%i, blend=0",
+ useVarColor, texCount, modulateFirstTex, extraMath, tex0);
+ doLoop(w, h, str2);
+
+ glEnable(GL_BLEND);
+ sprintf(str2, "Test varColor=%i, texCount=%i, modulate=%i, extraMath=%i, texSize=%i, blend=1",
+ useVarColor, texCount, modulateFirstTex, extraMath, tex0);
+ doLoop(w, h, str2);
+}
+
+void genTextures() {
+ uint32_t *m = (uint32_t *)malloc(1024*1024*4);
+ for (int y=0; y < 1024; y++){
+ for (int x=0; x < 1024; x++){
+ m[y*1024 + x] = 0xff0000ff | ((x & 0xff) << 8) | (y << 16);
+ }
+ }
+ glBindTexture(GL_TEXTURE_2D, 1);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 1024, 1024, 0, GL_RGBA, GL_UNSIGNED_BYTE, m);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+ for (int y=0; y < 16; y++){
+ for (int x=0; x < 16; x++){
+ m[y*16 + x] = 0xff0000ff | (x<<12) | (y<<20);
+ }
+ }
+ glBindTexture(GL_TEXTURE_2D, 2);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, 16, 16, 0, GL_RGBA, GL_UNSIGNED_BYTE, m);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
+ glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
+
+}
+
+bool doTest(uint32_t w, uint32_t h) {
+ setupVA();
+ genTextures();
+
+ for (int texCount = 0; texCount < 3; texCount++) {
+ for (int extraMath = 0; extraMath < 5; extraMath++) {
+
+ doSingleTest(w, h, false, texCount, false, extraMath, 1, 1);
+ doSingleTest(w, h, true, texCount, false, extraMath, 1, 1);
+ if (texCount) {
+ doSingleTest(w, h, false, texCount, true, extraMath, 1, 1);
+ doSingleTest(w, h, true, texCount, true, extraMath, 1, 1);
+
+ doSingleTest(w, h, false, texCount, false, extraMath, 2, 2);
+ doSingleTest(w, h, true, texCount, false, extraMath, 2, 2);
+ doSingleTest(w, h, false, texCount, true, extraMath, 2, 2);
+ doSingleTest(w, h, true, texCount, true, extraMath, 2, 2);
+ }
+ }
+ }
+
+ exit(0);
+ return true;
+}
diff --git a/opengl/tests/gl_perf/gl2_perf.cpp b/opengl/tests/gl_perf/gl2_perf.cpp
new file mode 100644
index 0000000..ef30289
--- /dev/null
+++ b/opengl/tests/gl_perf/gl2_perf.cpp
@@ -0,0 +1,242 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * 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 <stdlib.h>
+#include <stdio.h>
+#include <time.h>
+#include <sched.h>
+#include <sys/resource.h>
+
+#include <EGL/egl.h>
+#include <GLES2/gl2.h>
+#include <GLES2/gl2ext.h>
+
+#include <utils/Timers.h>
+
+#include <ui/FramebufferNativeWindow.h>
+#include <ui/EGLUtils.h>
+
+using namespace android;
+
+static void printGLString(const char *name, GLenum s) {
+ // fprintf(stderr, "printGLString %s, %d\n", name, s);
+ const char *v = (const char *) glGetString(s);
+ // int error = glGetError();
+ // fprintf(stderr, "glGetError() = %d, result of glGetString = %x\n", error,
+ // (unsigned int) v);
+ // if ((v < (const char*) 0) || (v > (const char*) 0x10000))
+ // fprintf(stderr, "GL %s = %s\n", name, v);
+ // else
+ // fprintf(stderr, "GL %s = (null) 0x%08x\n", name, (unsigned int) v);
+ fprintf(stderr, "GL %s = %s\n", name, v);
+}
+
+static void checkEglError(const char* op, EGLBoolean returnVal = EGL_TRUE) {
+ if (returnVal != EGL_TRUE) {
+ fprintf(stderr, "%s() returned %d\n", op, returnVal);
+ }
+
+ for (EGLint error = eglGetError(); error != EGL_SUCCESS; error
+ = eglGetError()) {
+ fprintf(stderr, "after %s() eglError %s (0x%x)\n", op, EGLUtils::strerror(error),
+ error);
+ }
+}
+
+static void checkGlError(const char* op) {
+ for (GLint error = glGetError(); error; error
+ = glGetError()) {
+ fprintf(stderr, "after %s() glError (0x%x)\n", op, error);
+ }
+}
+
+void printEGLConfiguration(EGLDisplay dpy, EGLConfig config) {
+
+#define X(VAL) {VAL, #VAL}
+ struct {EGLint attribute; const char* name;} names[] = {
+ X(EGL_BUFFER_SIZE),
+ X(EGL_ALPHA_SIZE),
+ X(EGL_BLUE_SIZE),
+ X(EGL_GREEN_SIZE),
+ X(EGL_RED_SIZE),
+ X(EGL_DEPTH_SIZE),
+ X(EGL_STENCIL_SIZE),
+ X(EGL_CONFIG_CAVEAT),
+ X(EGL_CONFIG_ID),
+ X(EGL_LEVEL),
+ X(EGL_MAX_PBUFFER_HEIGHT),
+ X(EGL_MAX_PBUFFER_PIXELS),
+ X(EGL_MAX_PBUFFER_WIDTH),
+ X(EGL_NATIVE_RENDERABLE),
+ X(EGL_NATIVE_VISUAL_ID),
+ X(EGL_NATIVE_VISUAL_TYPE),
+ X(EGL_SAMPLES),
+ X(EGL_SAMPLE_BUFFERS),
+ X(EGL_SURFACE_TYPE),
+ X(EGL_TRANSPARENT_TYPE),
+ X(EGL_TRANSPARENT_RED_VALUE),
+ X(EGL_TRANSPARENT_GREEN_VALUE),
+ X(EGL_TRANSPARENT_BLUE_VALUE),
+ X(EGL_BIND_TO_TEXTURE_RGB),
+ X(EGL_BIND_TO_TEXTURE_RGBA),
+ X(EGL_MIN_SWAP_INTERVAL),
+ X(EGL_MAX_SWAP_INTERVAL),
+ X(EGL_LUMINANCE_SIZE),
+ X(EGL_ALPHA_MASK_SIZE),
+ X(EGL_COLOR_BUFFER_TYPE),
+ X(EGL_RENDERABLE_TYPE),
+ X(EGL_CONFORMANT),
+ };
+#undef X
+
+ for (size_t j = 0; j < sizeof(names) / sizeof(names[0]); j++) {
+ EGLint value = -1;
+ EGLint returnVal = eglGetConfigAttrib(dpy, config, names[j].attribute, &value);
+ EGLint error = eglGetError();
+ if (returnVal && error == EGL_SUCCESS) {
+ printf(" %s: ", names[j].name);
+ printf("%d (0x%x)", value, value);
+ }
+ }
+ printf("\n");
+}
+
+int printEGLConfigurations(EGLDisplay dpy) {
+ EGLint numConfig = 0;
+ EGLint returnVal = eglGetConfigs(dpy, NULL, 0, &numConfig);
+ checkEglError("eglGetConfigs", returnVal);
+ if (!returnVal) {
+ return false;
+ }
+
+ printf("Number of EGL configuration: %d\n", numConfig);
+
+ EGLConfig* configs = (EGLConfig*) malloc(sizeof(EGLConfig) * numConfig);
+ if (! configs) {
+ printf("Could not allocate configs.\n");
+ return false;
+ }
+
+ returnVal = eglGetConfigs(dpy, configs, numConfig, &numConfig);
+ checkEglError("eglGetConfigs", returnVal);
+ if (!returnVal) {
+ free(configs);
+ return false;
+ }
+
+ for(int i = 0; i < numConfig; i++) {
+ printf("Configuration %d\n", i);
+ printEGLConfiguration(dpy, configs[i]);
+ }
+
+ free(configs);
+ return true;
+}
+
+bool doTest(uint32_t w, uint32_t h);
+
+static EGLDisplay dpy;
+static EGLSurface surface;
+
+int main(int argc, char** argv) {
+ EGLBoolean returnValue;
+ EGLConfig myConfig = {0};
+
+ EGLint context_attribs[] = { EGL_CONTEXT_CLIENT_VERSION, 2, EGL_NONE };
+ EGLint s_configAttribs[] = {
+ EGL_SURFACE_TYPE, EGL_WINDOW_BIT,
+ EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT,
+ EGL_NONE };
+ EGLint majorVersion;
+ EGLint minorVersion;
+ EGLContext context;
+ EGLint w, h;
+
+
+ checkEglError("<init>");
+ dpy = eglGetDisplay(EGL_DEFAULT_DISPLAY);
+ checkEglError("eglGetDisplay");
+ if (dpy == EGL_NO_DISPLAY) {
+ printf("eglGetDisplay returned EGL_NO_DISPLAY.\n");
+ return 0;
+ }
+
+ returnValue = eglInitialize(dpy, &majorVersion, &minorVersion);
+ checkEglError("eglInitialize", returnValue);
+ fprintf(stderr, "EGL version %d.%d\n", majorVersion, minorVersion);
+ if (returnValue != EGL_TRUE) {
+ printf("eglInitialize failed\n");
+ return 0;
+ }
+
+ EGLNativeWindowType window = android_createDisplaySurface();
+ returnValue = EGLUtils::selectConfigForNativeWindow(dpy, s_configAttribs, window, &myConfig);
+ if (returnValue) {
+ printf("EGLUtils::selectConfigForNativeWindow() returned %d", returnValue);
+ return 0;
+ }
+
+ checkEglError("EGLUtils::selectConfigForNativeWindow");
+
+ printf("Chose this configuration:\n");
+ printEGLConfiguration(dpy, myConfig);
+
+ surface = eglCreateWindowSurface(dpy, myConfig, window, NULL);
+ checkEglError("eglCreateWindowSurface");
+ if (surface == EGL_NO_SURFACE) {
+ printf("gelCreateWindowSurface failed.\n");
+ return 0;
+ }
+
+ context = eglCreateContext(dpy, myConfig, EGL_NO_CONTEXT, context_attribs);
+ checkEglError("eglCreateContext");
+ if (context == EGL_NO_CONTEXT) {
+ printf("eglCreateContext failed\n");
+ return 0;
+ }
+ returnValue = eglMakeCurrent(dpy, surface, surface, context);
+ checkEglError("eglMakeCurrent", returnValue);
+ if (returnValue != EGL_TRUE) {
+ return 0;
+ }
+ eglQuerySurface(dpy, surface, EGL_WIDTH, &w);
+ checkEglError("eglQuerySurface");
+ eglQuerySurface(dpy, surface, EGL_HEIGHT, &h);
+ checkEglError("eglQuerySurface");
+ GLint dim = w < h ? w : h;
+
+ fprintf(stderr, "Window dimensions: %d x %d\n", w, h);
+
+ printGLString("Version", GL_VERSION);
+ printGLString("Vendor", GL_VENDOR);
+ printGLString("Renderer", GL_RENDERER);
+ printGLString("Extensions", GL_EXTENSIONS);
+
+ glViewport(0, 0, w, h);
+
+ for (;;) {
+ doTest(w, h);
+ eglSwapBuffers(dpy, surface);
+ checkEglError("eglSwapBuffers");
+ }
+
+ return 0;
+}
+
+void ptSwap() {
+ eglSwapBuffers(dpy, surface);
+}
+