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Commit e448dd1a authored by Jason Sams's avatar Jason Sams
Browse files

Remove points from fixed function.

Add basic GL performance test.

Change-Id: I421a41b6683b2c5f70045cdd0f610a6939105fee
parent 2a86f3ab
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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)
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/*
 * 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;
}
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/*
 * 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);
}