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#include "gtest/gtest.h"
#include <llmr/llmr.hpp>
#include <llmr/util/image.hpp>
#include <llmr/util/io.hpp>
#include <llmr/util/timer.hpp>
#include <uv.h>
#include <iostream>
#include <fstream>
#include <sstream>
namespace llmr {
namespace platform {
void notify_map_change(MapChange change) {
// no-op
}
}}
class View : public llmr::View {
public:
View(int width, int height) {
// TODO: test if OpenGL 4.1 with GL_ARB_ES2_compatibility is supported
// If it is, use kCGLOGLPVersion_3_2_Core and enable that extension.
CGLPixelFormatAttribute attributes[] = {
kCGLPFAOpenGLProfile,
(CGLPixelFormatAttribute) kCGLOGLPVersion_Legacy,
kCGLPFAAccelerated,
(CGLPixelFormatAttribute) 0
};
CGLPixelFormatObj pixelFormat;
GLint num;
CGLError error = CGLChoosePixelFormat(attributes, &pixelFormat, &num);
if (error) {
fprintf(stderr, "Error pixel format\n");
return;
}
error = CGLCreateContext(pixelFormat, NULL, &gl_context);
CGLDestroyPixelFormat(pixelFormat);
if (error) {
fprintf(stderr, "Error creating GL context object\n");
return;
}
make_active();
// Create depth/stencil buffer
glGenRenderbuffersEXT(1, &fbo_depth_stencil);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, fbo_depth_stencil);
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_DEPTH24_STENCIL8_EXT, width, height);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
glGenRenderbuffersEXT(1, &fbo_color);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, fbo_color);
glRenderbufferStorageEXT(GL_RENDERBUFFER_EXT, GL_RGBA8, width, height);
glBindRenderbufferEXT(GL_RENDERBUFFER_EXT, 0);
glGenFramebuffersEXT(1, &fbo);
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, fbo);
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_RENDERBUFFER_EXT, fbo_color);
glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, GL_DEPTH_STENCIL_ATTACHMENT, GL_RENDERBUFFER_EXT, fbo_depth_stencil);
GLenum status = glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT);
if (status != GL_FRAMEBUFFER_COMPLETE_EXT) {
fprintf(stderr, "Couldn't create framebuffer: ");
switch (status) {
case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT: fprintf(stderr, "incomplete attachment\n"); break;
case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT: fprintf(stderr, "incomplete missing attachment\n"); break;
case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT: fprintf(stderr, "incomplete draw buffer\n"); break;
case GL_FRAMEBUFFER_UNSUPPORTED: fprintf(stderr, "unsupported\n"); break;
default: fprintf(stderr, "other\n"); break;
}
return;
}
}
~View() {
glDeleteFramebuffersEXT(1, &fbo);
glDeleteTextures(1, &fbo_color);
glDeleteRenderbuffersEXT(1, &fbo_depth_stencil);
CGLDestroyContext(gl_context);
}
void make_active() {
CGLError error = CGLSetCurrentContext(gl_context);
if (error) {
fprintf(stderr, "Switching OpenGL context failed\n");
}
}
void swap() {}
unsigned int root_fbo() {
return fbo;
}
private:
CGLContextObj gl_context;
GLuint fbo = 0;
GLuint fbo_depth_stencil = 0;
GLuint fbo_color = 0;
};
TEST(Headless, initialize) {
llmr::util::timer timer;
int width = 1024;
int height = 768;
// Setup OpenGL
View view(width, height);
timer.report("gl setup");
llmr::Map map(view);
map.resize(width, height);
std::ifstream stylefile("./style.min.js");
ASSERT_TRUE(stylefile.good());
std::stringstream stylejson;
stylejson << stylefile.rdbuf();
map.setStyleJSON(stylejson.str());
map.setLonLatZoom(0, 0, 2);
map.setAngle(0);
map.setDebug(false);
timer.report("map resize");
// Run the loop. It will terminate when we don't have any further listeners.
map.run();
timer.report("map loop");
uint32_t *pixels = new uint32_t[width * height];
view.make_active();
glReadPixels(0, 0, width, height, GL_RGBA, GL_UNSIGNED_BYTE, pixels);
timer.report("gl readpixels");
std::string result = llmr::util::compress_png(width, height, pixels, true);
timer.report("compress png");
llmr::util::write_file("out.png", result);
timer.report("save file");
delete[] pixels;
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
timer.report("destruct");
}
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