363 lines
11 KiB
C++
363 lines
11 KiB
C++
#include "rasterizer_gles3.h"
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#include "os/os.h"
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#include "global_config.h"
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#include "gl_context/context_gl.h"
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#include <string.h>
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RasterizerStorage *RasterizerGLES3::get_storage() {
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return storage;
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}
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RasterizerCanvas *RasterizerGLES3::get_canvas() {
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return canvas;
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}
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RasterizerScene *RasterizerGLES3::get_scene() {
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return scene;
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}
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#define _EXT_DEBUG_OUTPUT_SYNCHRONOUS_ARB 0x8242
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#define _EXT_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH_ARB 0x8243
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#define _EXT_DEBUG_CALLBACK_FUNCTION_ARB 0x8244
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#define _EXT_DEBUG_CALLBACK_USER_PARAM_ARB 0x8245
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#define _EXT_DEBUG_SOURCE_API_ARB 0x8246
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#define _EXT_DEBUG_SOURCE_WINDOW_SYSTEM_ARB 0x8247
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#define _EXT_DEBUG_SOURCE_SHADER_COMPILER_ARB 0x8248
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#define _EXT_DEBUG_SOURCE_THIRD_PARTY_ARB 0x8249
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#define _EXT_DEBUG_SOURCE_APPLICATION_ARB 0x824A
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#define _EXT_DEBUG_SOURCE_OTHER_ARB 0x824B
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#define _EXT_DEBUG_TYPE_ERROR_ARB 0x824C
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#define _EXT_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB 0x824D
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#define _EXT_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB 0x824E
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#define _EXT_DEBUG_TYPE_PORTABILITY_ARB 0x824F
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#define _EXT_DEBUG_TYPE_PERFORMANCE_ARB 0x8250
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#define _EXT_DEBUG_TYPE_OTHER_ARB 0x8251
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#define _EXT_MAX_DEBUG_MESSAGE_LENGTH_ARB 0x9143
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#define _EXT_MAX_DEBUG_LOGGED_MESSAGES_ARB 0x9144
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#define _EXT_DEBUG_LOGGED_MESSAGES_ARB 0x9145
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#define _EXT_DEBUG_SEVERITY_HIGH_ARB 0x9146
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#define _EXT_DEBUG_SEVERITY_MEDIUM_ARB 0x9147
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#define _EXT_DEBUG_SEVERITY_LOW_ARB 0x9148
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#define _EXT_DEBUG_OUTPUT 0x92E0
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#ifdef WINDOWS_ENABLED
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#define GLAPIENTRY APIENTRY
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#else
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#define GLAPIENTRY
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#endif
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static void GLAPIENTRY _gl_debug_print(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const GLvoid *userParam)
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{
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if (type==_EXT_DEBUG_TYPE_OTHER_ARB)
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return;
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print_line("mesege");
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char debSource[256], debType[256], debSev[256];
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if(source == _EXT_DEBUG_SOURCE_API_ARB)
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strcpy(debSource, "OpenGL");
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else if(source == _EXT_DEBUG_SOURCE_WINDOW_SYSTEM_ARB)
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strcpy(debSource, "Windows");
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else if(source == _EXT_DEBUG_SOURCE_SHADER_COMPILER_ARB)
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strcpy(debSource, "Shader Compiler");
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else if(source == _EXT_DEBUG_SOURCE_THIRD_PARTY_ARB)
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strcpy(debSource, "Third Party");
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else if(source == _EXT_DEBUG_SOURCE_APPLICATION_ARB)
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strcpy(debSource, "Application");
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else if(source == _EXT_DEBUG_SOURCE_OTHER_ARB)
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strcpy(debSource, "Other");
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if(type == _EXT_DEBUG_TYPE_ERROR_ARB)
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strcpy(debType, "Error");
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else if(type == _EXT_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB)
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strcpy(debType, "Deprecated behavior");
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else if(type == _EXT_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB)
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strcpy(debType, "Undefined behavior");
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else if(type == _EXT_DEBUG_TYPE_PORTABILITY_ARB)
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strcpy(debType, "Portability");
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else if(type == _EXT_DEBUG_TYPE_PERFORMANCE_ARB)
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strcpy(debType, "Performance");
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else if(type == _EXT_DEBUG_TYPE_OTHER_ARB)
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strcpy(debType, "Other");
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if(severity == _EXT_DEBUG_SEVERITY_HIGH_ARB)
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strcpy(debSev, "High");
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else if(severity == _EXT_DEBUG_SEVERITY_MEDIUM_ARB)
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strcpy(debSev, "Medium");
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else if(severity == _EXT_DEBUG_SEVERITY_LOW_ARB)
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strcpy(debSev, "Low");
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String output = String()+ "GL ERROR: Source: " + debSource + "\tType: " + debType + "\tID: " + itos(id) + "\tSeverity: " + debSev + "\tMessage: " + message;
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ERR_PRINTS(output);
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}
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typedef void (*DEBUGPROCARB)(GLenum source,
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GLenum type,
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GLuint id,
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GLenum severity,
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GLsizei length,
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const char* message,
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const void* userParam);
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typedef void (* DebugMessageCallbackARB) (DEBUGPROCARB callback, const void *userParam);
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void RasterizerGLES3::initialize() {
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if (OS::get_singleton()->is_stdout_verbose()) {
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print_line("Using GLES3 video driver");
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}
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#ifdef GLEW_ENABLED
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GLuint res = glewInit();
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ERR_FAIL_COND(res!=GLEW_OK);
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if (OS::get_singleton()->is_stdout_verbose()) {
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print_line(String("GLES2: Using GLEW ") + (const char*) glewGetString(GLEW_VERSION));
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}
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// Check for GL 2.1 compatibility, if not bail out
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if (!glewIsSupported("GL_VERSION_3_0")) {
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ERR_PRINT("Your system's graphic drivers seem not to support OpenGL 3.0+ / GLES 3.0, sorry :(\n"
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"Try a drivers update, buy a new GPU or try software rendering on Linux; Godot will now crash with a segmentation fault.");
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OS::get_singleton()->alert("Your system's graphic drivers seem not to support OpenGL 3.0+ / GLES 3.0, sorry :(\n"
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"Godot Engine will self-destruct as soon as you acknowledge this error message.",
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"Fatal error: Insufficient OpenGL / GLES drivers");
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// TODO: If it's even possible, we should stop the execution without segfault and memory leaks :)
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}
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#endif
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#ifdef GLAD_ENABLED
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if(!gladLoadGL()) {
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ERR_PRINT("Error initializing GLAD");
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}
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#ifdef __APPLE__
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// FIXME glDebugMessageCallbackARB does not seem to work on Mac OS X and opengl 3, this may be an issue with our opengl canvas..
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#else
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glEnable(_EXT_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
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glDebugMessageCallbackARB(_gl_debug_print, NULL);
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glEnable(_EXT_DEBUG_OUTPUT);
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#endif
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#endif
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/* glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_ERROR_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
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glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
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glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
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glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_PORTABILITY_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
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glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_PERFORMANCE_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
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glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_OTHER_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE);
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glDebugMessageInsertARB(
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GL_DEBUG_SOURCE_API_ARB,
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GL_DEBUG_TYPE_OTHER_ARB, 1,
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GL_DEBUG_SEVERITY_HIGH_ARB,5, "hello");
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*/
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storage->initialize();
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canvas->initialize();
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scene->initialize();
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}
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void RasterizerGLES3::begin_frame(){
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uint64_t tick = OS::get_singleton()->get_ticks_usec();
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double time_total = double(tick)/1000000.0;
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storage->frame.time[0]=time_total;
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storage->frame.time[1]=Math::fmod(time_total,3600);
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storage->frame.time[2]=Math::fmod(time_total,900);
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storage->frame.time[3]=Math::fmod(time_total,60);
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storage->frame.count++;
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storage->frame.delta = double(tick-storage->frame.prev_tick)/1000000.0;
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if (storage->frame.prev_tick==0) {
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//to avoid hiccups
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storage->frame.delta=0.001;
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}
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storage->frame.prev_tick=tick;
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storage->update_dirty_resources();
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storage->info.render_object_count=0;
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storage->info.render_material_switch_count=0;
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storage->info.render_surface_switch_count=0;
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storage->info.render_shader_rebind_count=0;
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storage->info.render_vertices_count=0;
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scene->iteration();
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}
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void RasterizerGLES3::set_current_render_target(RID p_render_target){
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if (!p_render_target.is_valid() && storage->frame.current_rt && storage->frame.clear_request) {
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//handle pending clear request, if the framebuffer was not cleared
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glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->fbo);
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print_line("unbind clear of: "+storage->frame.clear_request_color);
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glClearColor(
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storage->frame.clear_request_color.r,
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storage->frame.clear_request_color.g,
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storage->frame.clear_request_color.b,
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storage->frame.clear_request_color.a );
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glClear(GL_COLOR_BUFFER_BIT);
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}
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if (p_render_target.is_valid()) {
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RasterizerStorageGLES3::RenderTarget * rt = storage->render_target_owner.getornull(p_render_target);
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if (!rt) {
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storage->frame.current_rt=NULL;
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}
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ERR_FAIL_COND(!rt);
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storage->frame.current_rt=rt;
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storage->frame.clear_request=false;
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glViewport(0,0,rt->width,rt->height);
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} else {
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storage->frame.current_rt=NULL;
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storage->frame.clear_request=false;
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glViewport(0,0,OS::get_singleton()->get_window_size().width,OS::get_singleton()->get_window_size().height);
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glBindFramebuffer(GL_FRAMEBUFFER,RasterizerStorageGLES3::system_fbo);
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}
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}
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void RasterizerGLES3::restore_render_target() {
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ERR_FAIL_COND(storage->frame.current_rt==NULL);
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RasterizerStorageGLES3::RenderTarget * rt = storage->frame.current_rt;
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glBindFramebuffer(GL_FRAMEBUFFER,rt->fbo);
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glViewport(0,0,rt->width,rt->height);
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}
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void RasterizerGLES3::clear_render_target(const Color& p_color) {
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ERR_FAIL_COND(!storage->frame.current_rt);
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storage->frame.clear_request=true;
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storage->frame.clear_request_color=p_color;
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}
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void RasterizerGLES3::blit_render_target_to_screen(RID p_render_target,const Rect2& p_screen_rect,int p_screen){
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ERR_FAIL_COND( storage->frame.current_rt );
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RasterizerStorageGLES3::RenderTarget *rt = storage->render_target_owner.getornull(p_render_target);
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ERR_FAIL_COND(!rt);
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canvas->canvas_begin();
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glDisable(GL_BLEND);
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glBindFramebuffer(GL_FRAMEBUFFER,RasterizerStorageGLES3::system_fbo);
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D,rt->color);
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canvas->draw_generic_textured_rect(p_screen_rect,Rect2(0,0,1,-1));
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glBindTexture(GL_TEXTURE_2D,0);
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canvas->canvas_end();
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}
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void RasterizerGLES3::end_frame(){
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#if 0
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canvas->canvas_begin();
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glActiveTexture(GL_TEXTURE0);
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glBindTexture(GL_TEXTURE_2D,storage->resources.white_tex);
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glDisable(GL_BLEND);
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glDisable(GL_DEPTH_TEST);
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glDisable(GL_CULL_FACE);
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float vtx[8]={0,0,
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0,1,
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1,1,
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1,0
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};
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glBindBuffer(GL_ARRAY_BUFFER,0);
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glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0);
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glEnableVertexAttribArray(VS::ARRAY_VERTEX);
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glVertexAttribPointer( VS::ARRAY_VERTEX, 2 ,GL_FLOAT, false, 0, vtx );
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//glBindBuffer(GL_ARRAY_BUFFER,canvas->data.canvas_quad_vertices);
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//glEnableVertexAttribArray(VS::ARRAY_VERTEX);
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//glVertexAttribPointer( VS::ARRAY_VERTEX, 2 ,GL_FLOAT, false, 0, 0 );
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glBindVertexArray(canvas->data.canvas_quad_array);
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canvas->draw_generic_textured_rect(Rect2(0,0,15,15),Rect2(0,0,1,1));
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#endif
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OS::get_singleton()->swap_buffers();
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/* print_line("objects: "+itos(storage->info.render_object_count));
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print_line("material chages: "+itos(storage->info.render_material_switch_count));
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print_line("surface changes: "+itos(storage->info.render_surface_switch_count));
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print_line("shader changes: "+itos(storage->info.render_shader_rebind_count));
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print_line("vertices: "+itos(storage->info.render_vertices_count));
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*/
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}
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void RasterizerGLES3::finalize(){
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storage->finalize();
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canvas->finalize();
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}
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Rasterizer *RasterizerGLES3::_create_current() {
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return memnew( RasterizerGLES3 );
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}
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void RasterizerGLES3::make_current() {
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_create_func=_create_current;
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}
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void RasterizerGLES3::register_config() {
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GLOBAL_DEF("rendering/gles3/render_architecture",0);
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GlobalConfig::get_singleton()->set_custom_property_info("rendering/gles3/render_architecture",PropertyInfo(Variant::INT,"",PROPERTY_HINT_ENUM,"Desktop,Mobile"));
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GLOBAL_DEF("rendering/quality/use_nearest_mipmap_filter",false);
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GLOBAL_DEF("rendering/quality/anisotropic_filter_level",4.0);
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}
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RasterizerGLES3::RasterizerGLES3()
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{
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storage = memnew( RasterizerStorageGLES3 );
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canvas = memnew( RasterizerCanvasGLES3 );
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scene = memnew( RasterizerSceneGLES3 );
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canvas->storage=storage;
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storage->canvas=canvas;
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scene->storage=storage;
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storage->scene=scene;
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}
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RasterizerGLES3::~RasterizerGLES3() {
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memdelete(storage);
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memdelete(canvas);
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}
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