diff options
Diffstat (limited to 'drivers/gles3/rasterizer_gles3.cpp')
| -rw-r--r-- | drivers/gles3/rasterizer_gles3.cpp | 362 |
1 files changed, 362 insertions, 0 deletions
diff --git a/drivers/gles3/rasterizer_gles3.cpp b/drivers/gles3/rasterizer_gles3.cpp new file mode 100644 index 0000000000..0998d9c423 --- /dev/null +++ b/drivers/gles3/rasterizer_gles3.cpp @@ -0,0 +1,362 @@ +#include "rasterizer_gles3.h" +#include "os/os.h" +#include "globals.h" +#include "gl_context/context_gl.h" +#include <string.h> +RasterizerStorage *RasterizerGLES3::get_storage() { + + return storage; +} + +RasterizerCanvas *RasterizerGLES3::get_canvas() { + + return canvas; +} + +RasterizerScene *RasterizerGLES3::get_scene() { + + return scene; +} + +#define _EXT_DEBUG_OUTPUT_SYNCHRONOUS_ARB 0x8242 +#define _EXT_DEBUG_NEXT_LOGGED_MESSAGE_LENGTH_ARB 0x8243 +#define _EXT_DEBUG_CALLBACK_FUNCTION_ARB 0x8244 +#define _EXT_DEBUG_CALLBACK_USER_PARAM_ARB 0x8245 +#define _EXT_DEBUG_SOURCE_API_ARB 0x8246 +#define _EXT_DEBUG_SOURCE_WINDOW_SYSTEM_ARB 0x8247 +#define _EXT_DEBUG_SOURCE_SHADER_COMPILER_ARB 0x8248 +#define _EXT_DEBUG_SOURCE_THIRD_PARTY_ARB 0x8249 +#define _EXT_DEBUG_SOURCE_APPLICATION_ARB 0x824A +#define _EXT_DEBUG_SOURCE_OTHER_ARB 0x824B +#define _EXT_DEBUG_TYPE_ERROR_ARB 0x824C +#define _EXT_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB 0x824D +#define _EXT_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB 0x824E +#define _EXT_DEBUG_TYPE_PORTABILITY_ARB 0x824F +#define _EXT_DEBUG_TYPE_PERFORMANCE_ARB 0x8250 +#define _EXT_DEBUG_TYPE_OTHER_ARB 0x8251 +#define _EXT_MAX_DEBUG_MESSAGE_LENGTH_ARB 0x9143 +#define _EXT_MAX_DEBUG_LOGGED_MESSAGES_ARB 0x9144 +#define _EXT_DEBUG_LOGGED_MESSAGES_ARB 0x9145 +#define _EXT_DEBUG_SEVERITY_HIGH_ARB 0x9146 +#define _EXT_DEBUG_SEVERITY_MEDIUM_ARB 0x9147 +#define _EXT_DEBUG_SEVERITY_LOW_ARB 0x9148 +#define _EXT_DEBUG_OUTPUT 0x92E0 + +#ifdef WINDOWS_ENABLED +#define GLAPIENTRY APIENTRY +#else +#define GLAPIENTRY +#endif + +static void GLAPIENTRY _gl_debug_print(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const GLvoid *userParam) +{ + + if (type==_EXT_DEBUG_TYPE_OTHER_ARB) + return; + + print_line("mesege"); + char debSource[256], debType[256], debSev[256]; + if(source == _EXT_DEBUG_SOURCE_API_ARB) + strcpy(debSource, "OpenGL"); + else if(source == _EXT_DEBUG_SOURCE_WINDOW_SYSTEM_ARB) + strcpy(debSource, "Windows"); + else if(source == _EXT_DEBUG_SOURCE_SHADER_COMPILER_ARB) + strcpy(debSource, "Shader Compiler"); + else if(source == _EXT_DEBUG_SOURCE_THIRD_PARTY_ARB) + strcpy(debSource, "Third Party"); + else if(source == _EXT_DEBUG_SOURCE_APPLICATION_ARB) + strcpy(debSource, "Application"); + else if(source == _EXT_DEBUG_SOURCE_OTHER_ARB) + strcpy(debSource, "Other"); + + if(type == _EXT_DEBUG_TYPE_ERROR_ARB) + strcpy(debType, "Error"); + else if(type == _EXT_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB) + strcpy(debType, "Deprecated behavior"); + else if(type == _EXT_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB) + strcpy(debType, "Undefined behavior"); + else if(type == _EXT_DEBUG_TYPE_PORTABILITY_ARB) + strcpy(debType, "Portability"); + else if(type == _EXT_DEBUG_TYPE_PERFORMANCE_ARB) + strcpy(debType, "Performance"); + else if(type == _EXT_DEBUG_TYPE_OTHER_ARB) + strcpy(debType, "Other"); + + if(severity == _EXT_DEBUG_SEVERITY_HIGH_ARB) + strcpy(debSev, "High"); + else if(severity == _EXT_DEBUG_SEVERITY_MEDIUM_ARB) + strcpy(debSev, "Medium"); + else if(severity == _EXT_DEBUG_SEVERITY_LOW_ARB) + strcpy(debSev, "Low"); + + String output = String()+ "GL ERROR: Source: " + debSource + "\tType: " + debType + "\tID: " + itos(id) + "\tSeverity: " + debSev + "\tMessage: " + message; + + ERR_PRINTS(output); + +} + + +typedef void (*DEBUGPROCARB)(GLenum source, + GLenum type, + GLuint id, + GLenum severity, + GLsizei length, + const char* message, + const void* userParam); + +typedef void (* DebugMessageCallbackARB) (DEBUGPROCARB callback, const void *userParam); + +void RasterizerGLES3::initialize() { + + if (OS::get_singleton()->is_stdout_verbose()) { + print_line("Using GLES3 video driver"); + } + +#ifdef GLEW_ENABLED + GLuint res = glewInit(); + ERR_FAIL_COND(res!=GLEW_OK); + if (OS::get_singleton()->is_stdout_verbose()) { + print_line(String("GLES2: Using GLEW ") + (const char*) glewGetString(GLEW_VERSION)); + } + + // Check for GL 2.1 compatibility, if not bail out + if (!glewIsSupported("GL_VERSION_3_0")) { + ERR_PRINT("Your system's graphic drivers seem not to support OpenGL 3.0+ / GLES 3.0, sorry :(\n" + "Try a drivers update, buy a new GPU or try software rendering on Linux; Godot will now crash with a segmentation fault."); + OS::get_singleton()->alert("Your system's graphic drivers seem not to support OpenGL 3.0+ / GLES 3.0, sorry :(\n" + "Godot Engine will self-destruct as soon as you acknowledge this error message.", + "Fatal error: Insufficient OpenGL / GLES drivers"); + // TODO: If it's even possible, we should stop the execution without segfault and memory leaks :) + } +#endif + +#ifdef GLAD_ENABLED + + if(!gladLoadGL()) { + ERR_PRINT("Error initializing GLAD"); + } + + glEnable(_EXT_DEBUG_OUTPUT_SYNCHRONOUS_ARB); + glDebugMessageCallbackARB(_gl_debug_print, NULL); + glEnable(_EXT_DEBUG_OUTPUT); + +#endif + + +/* glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_ERROR_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE); + glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE); + glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE); + glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_PORTABILITY_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE); + glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_PERFORMANCE_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE); + glDebugMessageControlARB(GL_DEBUG_SOURCE_API_ARB,GL_DEBUG_TYPE_OTHER_ARB,GL_DEBUG_SEVERITY_HIGH_ARB,0,NULL,GL_TRUE); + glDebugMessageInsertARB( + + GL_DEBUG_SOURCE_API_ARB, + GL_DEBUG_TYPE_OTHER_ARB, 1, + GL_DEBUG_SEVERITY_HIGH_ARB,5, "hello"); + +*/ + storage->initialize(); + canvas->initialize(); + scene->initialize(); +} + +void RasterizerGLES3::begin_frame(){ + + uint64_t tick = OS::get_singleton()->get_ticks_usec(); + + double time_total = double(tick)/1000000.0; + + storage->frame.time[0]=time_total; + storage->frame.time[1]=Math::fmod(time_total,3600); + storage->frame.time[2]=Math::fmod(time_total,900); + storage->frame.time[3]=Math::fmod(time_total,60); + storage->frame.count++; + storage->frame.delta = double(tick-storage->frame.prev_tick)/1000000.0; + if (storage->frame.prev_tick==0) { + //to avoid hiccups + storage->frame.delta=0.001; + } + + storage->frame.prev_tick=tick; + + + + storage->update_dirty_multimeshes(); + storage->update_dirty_skeletons(); + storage->update_dirty_shaders(); + storage->update_dirty_materials(); + storage->update_particles(); + + storage->info.render_object_count=0; + storage->info.render_material_switch_count=0; + storage->info.render_surface_switch_count=0; + storage->info.render_shader_rebind_count=0; + storage->info.render_vertices_count=0; + + + scene->iteration(); + + + + +} + +void RasterizerGLES3::set_current_render_target(RID p_render_target){ + + if (!p_render_target.is_valid() && storage->frame.current_rt && storage->frame.clear_request) { + //handle pending clear request, if the framebuffer was not cleared + glBindFramebuffer(GL_FRAMEBUFFER,storage->frame.current_rt->fbo); + print_line("unbind clear of: "+storage->frame.clear_request_color); + glClearColor( + storage->frame.clear_request_color.r, + storage->frame.clear_request_color.g, + storage->frame.clear_request_color.b, + storage->frame.clear_request_color.a ); + + glClear(GL_COLOR_BUFFER_BIT); + + } + + if (p_render_target.is_valid()) { + RasterizerStorageGLES3::RenderTarget * rt = storage->render_target_owner.getornull(p_render_target); + if (!rt) { + storage->frame.current_rt=NULL; + } + ERR_FAIL_COND(!rt); + storage->frame.current_rt=rt; + storage->frame.clear_request=false; + + glViewport(0,0,rt->width,rt->height); + + } else { + storage->frame.current_rt=NULL; + storage->frame.clear_request=false; + glViewport(0,0,OS::get_singleton()->get_window_size().width,OS::get_singleton()->get_window_size().height); + glBindFramebuffer(GL_FRAMEBUFFER,storage->config.system_fbo); + } +} + +void RasterizerGLES3::restore_render_target() { + + ERR_FAIL_COND(storage->frame.current_rt==NULL); + RasterizerStorageGLES3::RenderTarget * rt = storage->frame.current_rt; + glBindFramebuffer(GL_FRAMEBUFFER,rt->fbo); + glViewport(0,0,rt->width,rt->height); + +} + +void RasterizerGLES3::clear_render_target(const Color& p_color) { + + ERR_FAIL_COND(!storage->frame.current_rt); + + storage->frame.clear_request=true; + storage->frame.clear_request_color=p_color; + +} + +void RasterizerGLES3::blit_render_target_to_screen(RID p_render_target,const Rect2& p_screen_rect,int p_screen){ + + ERR_FAIL_COND( storage->frame.current_rt ); + + RasterizerStorageGLES3::RenderTarget *rt = storage->render_target_owner.getornull(p_render_target); + ERR_FAIL_COND(!rt); + + canvas->canvas_begin(); + glDisable(GL_BLEND); + glBindFramebuffer(GL_FRAMEBUFFER,storage->config.system_fbo); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,rt->color); + canvas->draw_generic_textured_rect(p_screen_rect,Rect2(0,0,1,-1)); + glBindTexture(GL_TEXTURE_2D,0); + canvas->canvas_end(); +} + +void RasterizerGLES3::end_frame(){ + +#if 0 + canvas->canvas_begin(); + glActiveTexture(GL_TEXTURE0); + glBindTexture(GL_TEXTURE_2D,storage->resources.white_tex); + glDisable(GL_BLEND); + glDisable(GL_DEPTH_TEST); + glDisable(GL_CULL_FACE); + + + float vtx[8]={0,0, + 0,1, + 1,1, + 1,0 + }; + + glBindBuffer(GL_ARRAY_BUFFER,0); + glBindBuffer(GL_ELEMENT_ARRAY_BUFFER,0); + + glEnableVertexAttribArray(VS::ARRAY_VERTEX); + glVertexAttribPointer( VS::ARRAY_VERTEX, 2 ,GL_FLOAT, false, 0, vtx ); + + +// glBindBuffer(GL_ARRAY_BUFFER,canvas->data.canvas_quad_vertices); +// glEnableVertexAttribArray(VS::ARRAY_VERTEX); +// glVertexAttribPointer( VS::ARRAY_VERTEX, 2 ,GL_FLOAT, false, 0, 0 ); + + glBindVertexArray(canvas->data.canvas_quad_array); + + canvas->draw_generic_textured_rect(Rect2(0,0,15,15),Rect2(0,0,1,1)); +#endif + OS::get_singleton()->swap_buffers(); + +/* print_line("objects: "+itos(storage->info.render_object_count)); + print_line("material chages: "+itos(storage->info.render_material_switch_count)); + print_line("surface changes: "+itos(storage->info.render_surface_switch_count)); + print_line("shader changes: "+itos(storage->info.render_shader_rebind_count)); + print_line("vertices: "+itos(storage->info.render_vertices_count)); +*/ +} + +void RasterizerGLES3::finalize(){ + + storage->finalize(); + canvas->finalize(); +} + + +Rasterizer *RasterizerGLES3::_create_current() { + + return memnew( RasterizerGLES3 ); +} + +void RasterizerGLES3::make_current() { + _create_func=_create_current; +} + + +void RasterizerGLES3::register_config() { + + GLOBAL_DEF("rendering/gles3/render_architecture",0); + Globals::get_singleton()->set_custom_property_info("rendering/gles3/render_architecture",PropertyInfo(Variant::INT,"",PROPERTY_HINT_ENUM,"Desktop,Mobile")); + GLOBAL_DEF("rendering/gles3/use_nearest_mipmap_filter",false); + GLOBAL_DEF("rendering/gles3/anisotropic_filter_level",4.0); + +} + +RasterizerGLES3::RasterizerGLES3() +{ + + storage = memnew( RasterizerStorageGLES3 ); + canvas = memnew( RasterizerCanvasGLES3 ); + scene = memnew( RasterizerSceneGLES3 ); + canvas->storage=storage; + storage->canvas=canvas; + scene->storage=storage; + storage->scene=scene; + + + +} + +RasterizerGLES3::~RasterizerGLES3() { + + memdelete(storage); + memdelete(canvas); +} |