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move headless to their own files

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This commit is contained in:
Konstantin Käfer
2014-07-07 13:51:06 -07:00
parent 59967fd709
commit 9b61e39ef3
4 changed files with 162 additions and 115 deletions
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117
common/headless_view.cpp Normal file
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@@ -0,0 +1,117 @@
#include "headless_view.hpp"
#include <llmr/util/timer.hpp>
#include <llmr/platform/platform.hpp>
namespace llmr {
namespace platform {
void notify_map_change(MapChange change) {
// no-op
}
}
HeadlessView::HeadlessView() {
// 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();
}
void HeadlessView::resize(int width, int height) {
clear_buffers();
// 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;
}
}
void HeadlessView::clear_buffers() {
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
if (fbo) {
glDeleteFramebuffersEXT(1, &fbo);
fbo = 0;
}
if (fbo_color) {
glDeleteTextures(1, &fbo_color);
fbo_color = 0;
}
if (fbo_depth_stencil) {
glDeleteRenderbuffersEXT(1, &fbo_depth_stencil);
fbo_depth_stencil = 0;
}
}
HeadlessView::~HeadlessView() {
clear_buffers();
CGLDestroyContext(gl_context);
}
void HeadlessView::make_active() {
CGLError error = CGLSetCurrentContext(gl_context);
if (error) {
fprintf(stderr, "Switching OpenGL context failed\n");
}
}
void HeadlessView::swap() {}
unsigned int HeadlessView::root_fbo() {
return fbo;
}
}

33
common/headless_view.hpp Normal file
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@@ -0,0 +1,33 @@
#ifndef LLMR_COMMON_HEADLESS_CGL
#define LLMR_COMMON_HEADLESS_CGL
#include <llmr/map/view.hpp>
#include <llmr/platform/gl.hpp>
namespace llmr {
class HeadlessView : public View {
public:
HeadlessView();
~HeadlessView();
void resize(int width, int height);
void make_active();
void swap();
unsigned int root_fbo();
private:
void clear_buffers();
private:
CGLContextObj gl_context;
GLuint fbo = 0;
GLuint fbo_depth_stencil = 0;
GLuint fbo_color = 0;
};
}
#endif

125
test/headless.cpp
View File

@@ -1,131 +1,30 @@
#include "gtest/gtest.h"
#include <llmr/llmr.hpp>
#include <llmr/map/map.hpp>
#include <llmr/util/image.hpp>
#include <llmr/util/io.hpp>
#include <llmr/util/timer.hpp>
#include <uv.h>
#include "../common/headless_view.hpp"
#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) {
const int width = 1024;
const int height = 768;
llmr::util::timer timer;
int width = 1024;
int height = 768;
// Setup OpenGL
View view(width, height);
timer.report("gl setup");
llmr::HeadlessView view;
llmr::Map map(view);
view.resize(width, height);
map.resize(width, height);
timer.report("map setup");
std::ifstream stylefile("./style.min.js");
ASSERT_TRUE(stylefile.good());
std::stringstream stylejson;
@@ -137,7 +36,7 @@ TEST(Headless, initialize) {
map.setAngle(0);
map.setDebug(false);
timer.report("map resize");
timer.report("map style");
// Run the loop. It will terminate when we don't have any further listeners.
map.run();
@@ -146,8 +45,6 @@ TEST(Headless, initialize) {
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");
@@ -160,9 +57,7 @@ TEST(Headless, initialize) {
timer.report("save file");
delete[] pixels;
glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0);
timer.report("destruct");
}

2
test/test.gyp
View File

@@ -138,6 +138,8 @@
"sources": [
"./main.cpp",
"./headless.cpp",
"../common/headless_view.hpp",
"../common/headless_view.cpp",
"../common/curl_request.hpp",
"../common/curl_request.cpp",
],