#include "bufferbuilder.h"
#include "shaderprogram.h"
+
+
#define BASICTEX_VERT "shaders/basictex_vert.glsl"
#define BASICTEX_FRAG "shaders/basictex_frag.glsl"
using namespace IPDF;
using namespace std;
+#ifndef __MINGW32__
static void opengl_debug_callback(GLenum source, GLenum type, GLuint id, GLenum severity, GLsizei length, const GLchar* msg, const void *data)
{
// Don't print out gl Errors we generated.
if (source == GL_DEBUG_SOURCE_APPLICATION) return;
- Error("OpenGL Error (%d): %s", id, msg);
+ //Error("OpenGL Error (%d): %s", id, msg);
+ // Spams this message on fglrx, disabling for now because it's damn annoying.
+ // ERROR: opengl_debug_callback (screen.cpp:21) - OpenGL Error (1011): glObjectLabel failed because (depending on the operation) a referenced binding point is empty; a referenced name is not the name of an object; or the given name is otherwise not valid to this operation (GL_INVALID_VALUE)
}
+#endif
-
-Screen::Screen()
+Screen::Screen(bool visible)
{
SDL_Init(SDL_INIT_VIDEO);
+ uint32_t flags = SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE;
+ if (!visible)
+ flags |= SDL_WINDOW_HIDDEN;
+
m_window = SDL_CreateWindow("IPDF", SDL_WINDOWPOS_UNDEFINED, SDL_WINDOWPOS_UNDEFINED,
- 800, 600, SDL_WINDOW_OPENGL | SDL_WINDOW_RESIZABLE);
+ 800, 600, flags);
if (!m_window)
{
- Fatal("Couldn't create window!");
+ Error("Couldn't create window!");
+ return;
}
SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
- SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 1);
+ SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_FLAGS, SDL_GL_CONTEXT_DEBUG_FLAG);
SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
ogl_LoadFunctions();
// Why is this so horribly broken?
- if (ogl_IsVersionGEQ(3,0))
+ if (ogl_IsVersionGEQ(3,2))
{
- Fatal("We require OpenGL 3.1, but you have version %d.%d!",ogl_GetMajorVersion(), ogl_GetMinorVersion());
+ Error("We require OpenGL 3.3, but you have version %d.%d!",ogl_GetMajorVersion(), ogl_GetMinorVersion());
}
if (!SDL_GL_ExtensionSupported("GL_ARB_shading_language_420pack"))
{
- Fatal("Your system does not support the ARB_shading_language_420pack extension, which is required.");
+ Error("Your system does not support the ARB_shading_language_420pack extension, which is required.");
}
if (!SDL_GL_ExtensionSupported("GL_ARB_explicit_attrib_location"))
{
- Fatal("Your system does not support the ARB_explicit_attrib_location extension, which is required.");
+ Error("Your system does not support the ARB_explicit_attrib_location extension, which is required.");
}
m_frame_begin_time = SDL_GetPerformanceCounter();
m_last_frame_time = 0;
m_last_frame_gpu_timer = 0;
+
glGenQueries(1, &m_frame_gpu_timer);
glBeginQuery(GL_TIME_ELAPSED, m_frame_gpu_timer);
-
+ #ifndef __MINGW32__
glDebugMessageCallback(opengl_debug_callback, 0);
+ #endif
GLuint default_vao;
glGenVertexArrays(1, &default_vao);
m_viewport_ubo.SetType(GraphicsBuffer::BufferTypeUniform);
m_debug_font_atlas = 0;
-
+ m_no_quit_requested = true;
+ m_show_debug_font = true;
m_view = NULL;
ResizeViewport(800, 600);
-
+
+
+
Clear();
Present();
Screen::~Screen()
{
+ if (!Valid())
+ return;
SDL_GL_DeleteContext(m_gl_context);
SDL_DestroyWindow(m_window);
SDL_Quit();
void Screen::Clear(float r, float g, float b, float a)
{
+ if (!Valid())
+ return;
glClearColor(r,g,b,a);
glClear(GL_COLOR_BUFFER_BIT);
DebugFontClear();
bool Screen::PumpEvents()
{
+ if (!Valid())
+ return true;
+
SDL_Event evt;
- bool no_quit_requested = true;
+
while (SDL_PollEvent(&evt))
{
switch (evt.type)
{
case SDL_QUIT:
- no_quit_requested = false;
+ m_no_quit_requested = false;
break;
case SDL_WINDOWEVENT:
switch (evt.window.event)
break;
}
}
- return no_quit_requested;
+ return m_no_quit_requested;
}
void Screen::SetMouseCursor(Screen::MouseCursors cursor)
void Screen::Present()
{
+ if (!Valid())
+ return;
+
if (m_debug_font_atlas)
DebugFontFlush();
+
m_last_frame_time = SDL_GetPerformanceCounter() - m_frame_begin_time;
glEndQuery(GL_TIME_ELAPSED);
SDL_GL_SwapWindow(m_window);
m_last_frame_gpu_timer = m_frame_gpu_timer;
glGenQueries(1, &m_frame_gpu_timer);
glBeginQuery(GL_TIME_ELAPSED, m_frame_gpu_timer);
+
+
}
double Screen::GetLastFrameTimeGPU() const
{
- if (!m_last_frame_gpu_timer)
+ if (!Valid() || !m_last_frame_gpu_timer)
return 0;
uint64_t frame_time_ns;
glGetQueryObjectui64v(m_last_frame_gpu_timer, GL_QUERY_RESULT, &frame_time_ns);
void Screen::ScreenShot(const char * filename) const
{
+ if (!Valid()) return;
Debug("Attempting to save BMP to file %s", filename);
int w = ViewportWidth();
*/
void Screen::RenderBMP(const char * filename) const
{
+ if (!Valid()) return;
if (access(filename, R_OK) == -1)
{
Error("No such file \"%s\" - Nothing to render - You might have done this deliberately?", filename);
void Screen::DebugFontInit(const char *name, float font_size)
{
+ if (!Valid()) return;
+
unsigned char font_atlas_data[1024*1024];
FILE *font_file = fopen(name, "rb");
fseek(font_file, 0, SEEK_END);
void Screen::DebugFontClear()
{
+ if (!Valid()) return;
m_debug_font_x = m_debug_font_y = 0;
if (!m_debug_font_atlas) return;
DebugFontPrint("\n");
void Screen::DebugFontFlush()
{
+ if (!Valid()) return;
glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 40, -1, "Screen::DebugFontFlush()");
glEnable(GL_BLEND);
void Screen::DebugFontPrint(const char* str)
{
- if (!m_debug_font_atlas) return;
+ if (!Valid()) return;
+ if (!m_debug_font_atlas || !m_show_debug_font) return;
glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 41, -1, "Screen::DebugFontPrint()");
git.ucc.asn.au / ipdf / code.git / blobdiff
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