X-Git-Url: https://git.ucc.asn.au/?p=ipdf%2Fcode.git;a=blobdiff_plain;f=src%2Fscreen.cpp;h=628a11adbe6add14b4d97dbad770b8f809c83c0b;hp=dc59de90904d684a6cc378283a1028bdafd783a1;hb=6c0dfe752994312ee58d307b383948bfeb2d6e2e;hpb=8942bd699d8e1ddede1127421ad18bed53232ff3 diff --git a/src/screen.cpp b/src/screen.cpp index dc59de9..628a11a 100644 --- a/src/screen.cpp +++ b/src/screen.cpp @@ -8,32 +8,44 @@ #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) { - Error("OpenGL Error (%d): %s", id, msg); + // Don't print out gl Errors we generated. + if (source == GL_DEBUG_SOURCE_APPLICATION) return; + //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); @@ -42,28 +54,30 @@ Screen::Screen() 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); @@ -88,9 +102,13 @@ Screen::Screen() 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(); @@ -99,6 +117,8 @@ Screen::Screen() Screen::~Screen() { + if (!Valid()) + return; SDL_GL_DeleteContext(m_gl_context); SDL_DestroyWindow(m_window); SDL_Quit(); @@ -106,6 +126,8 @@ Screen::~Screen() 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(); @@ -122,14 +144,17 @@ void Screen::ResizeViewport(int width, int height) 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) @@ -145,7 +170,7 @@ bool Screen::PumpEvents() m_last_mouse_y = evt.motion.y; if (m_mouse_handler) { - m_mouse_handler(evt.motion.x, evt.motion.y,evt.motion.state, 0); + m_mouse_handler(evt.motion.x, evt.motion.y,evt.motion.state, 0, this, m_view); } break; case SDL_MOUSEBUTTONDOWN: @@ -154,13 +179,13 @@ bool Screen::PumpEvents() m_last_mouse_y = evt.button.y; if (m_mouse_handler) { - m_mouse_handler(evt.button.x, evt.button.y, evt.button.state?evt.button.button:0, 0); + m_mouse_handler(evt.button.x, evt.button.y, evt.button.state?evt.button.button:0, 0, this, m_view); } break; case SDL_MOUSEWHEEL: if (m_mouse_handler) { - m_mouse_handler(m_last_mouse_x, m_last_mouse_y, 0, evt.wheel.y); + m_mouse_handler(m_last_mouse_x, m_last_mouse_y, 0, evt.wheel.y, this, m_view); } break; case SDL_KEYDOWN: @@ -178,7 +203,7 @@ bool Screen::PumpEvents() break; } } - return no_quit_requested; + return m_no_quit_requested; } void Screen::SetMouseCursor(Screen::MouseCursors cursor) @@ -200,8 +225,12 @@ 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); @@ -211,11 +240,13 @@ void Screen::Present() 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); @@ -266,6 +297,7 @@ void Screen::RenderPixels(int x, int y, int w, int h, uint8_t *pixels) const void Screen::ScreenShot(const char * filename) const { + if (!Valid()) return; Debug("Attempting to save BMP to file %s", filename); int w = ViewportWidth(); @@ -304,6 +336,7 @@ void Screen::ScreenShot(const char * filename) const */ 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); @@ -372,13 +405,15 @@ void Screen::RenderBMP(const char * filename) const 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); size_t font_file_size = ftell(font_file); fseek(font_file, 0, SEEK_SET); unsigned char *font_file_data = (unsigned char*)malloc(font_file_size); - fread(font_file_data, 1, font_file_size, font_file); + SDL_assert(fread(font_file_data, 1, font_file_size, font_file) == font_file_size); fclose(font_file); stbtt_BakeFontBitmap(font_file_data,0, font_size, font_atlas_data,1024,1024, 32,96, m_debug_font_rects); free(font_file_data); @@ -390,17 +425,20 @@ void Screen::DebugFontInit(const char *name, float font_size) m_debug_font_vertices.SetUsage(GraphicsBuffer::BufferUsageStreamDraw); m_debug_font_vertices.SetType(GraphicsBuffer::BufferTypeVertex); - m_debug_font_vertices.Upload(8192, nullptr); + m_debug_font_vertices.SetName("m_debug_font_vertices"); + m_debug_font_vertices.Upload(8192,NULL); m_debug_font_vertex_head = 0; m_debug_font_indices.SetUsage(GraphicsBuffer::BufferUsageStreamDraw); m_debug_font_indices.SetType(GraphicsBuffer::BufferTypeIndex); + m_debug_font_indices.SetName("m_debug_font_indices"); m_debug_font_indices.Resize(500); m_debug_font_index_head = 0; } void Screen::DebugFontClear() { + if (!Valid()) return; m_debug_font_x = m_debug_font_y = 0; if (!m_debug_font_atlas) return; DebugFontPrint("\n"); @@ -408,7 +446,8 @@ void Screen::DebugFontClear() void Screen::DebugFontFlush() { - + if (!Valid()) return; + glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 40, -1, "Screen::DebugFontFlush()"); glEnable(GL_BLEND); glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); @@ -436,16 +475,21 @@ void Screen::DebugFontFlush() m_debug_font_indices.Invalidate(); m_debug_font_vertex_head = 0; m_debug_font_index_head = 0; + + glPopDebugGroup(); } +struct fontvertex +{ + float x, y, s, t; +}; + 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; - struct fontvertex - { - float x, y, s, t; - }; + glPushDebugGroup(GL_DEBUG_SOURCE_APPLICATION, 41, -1, "Screen::DebugFontPrint()"); BufferBuilder vertexData(m_debug_font_vertices.MapRange(m_debug_font_vertex_head*sizeof(float), m_debug_font_vertices.GetSize() - m_debug_font_vertex_head*sizeof(float), false, true, true), m_debug_font_vertices.GetSize() - m_debug_font_vertex_head*sizeof(float)); BufferBuilder indexData(m_debug_font_indices.MapRange(m_debug_font_index_head*sizeof(uint16_t), m_debug_font_indices.GetSize() - m_debug_font_index_head*sizeof(uint16_t), false, true, true), m_debug_font_indices.GetSize() - m_debug_font_index_head*sizeof(uint16_t)); @@ -458,6 +502,7 @@ void Screen::DebugFontPrint(const char* str) m_debug_font_vertices.UnMap(); DebugFontFlush(); DebugFontPrint(str); + glPopDebugGroup(); return; } if (*str >= 32 && (unsigned char)(*str) < 128) { @@ -490,6 +535,7 @@ void Screen::DebugFontPrint(const char* str) } m_debug_font_indices.UnMap(); m_debug_font_vertices.UnMap(); + glPopDebugGroup(); //DebugFontFlush(); }