emscripten~

CMakeLists.txt

@@ -35,14 +35,14 @@ file(GLOB src
 
 add_executable(${PROJECT_NAME} ${src})
 
-set (CMAKE_C_FLAGS "-O2 -Wall -Wextra -pedantic -Wno-unused-variable -Wno-unused-parameter -Wno-discarded-qualifiers -Wno-parantheses")
+set (CMAKE_C_FLAGS "-O2 -Wall -Wextra -pedantic -Wno-unused-variable -Wno-unused-parameter -Wno-parentheses")
 
 if (EMSCRIPTEN)
 	set(CMAKE_EXECUTABLE_SUFFIX ".html")
-	set (CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -sMIN_WEBGL_VERSION=2 -sMAX_WEBGL_VERSION=2 -sFULL_ES2 -sFULL_ES3 -sUSE_SDL=2 -sUSE_SDL_IMAGE=2 -sSDL2_IMAGE_FORMATS='['png']' -sUSE_SDL_MIXER=2 -sSDL2_MIXER_FORMATS='['ogg']' -sUSE_SDL_TTF=2") 
+    	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -s USE_SDL=2 -s USE_SDL_IMAGE=2 -s SDL2_IMAGE_FORMATS='['png']' -s USE_SDL_MIXER=2 -s SDL2_MIXER_FORMATS='['ogg']' -s USE_SDL_TTF=2 -s ASSERTIONS=1 -s ALLOW_MEMORY_GROWTH=1 -Wno-strict-prototypes -Wno-incompatible-pointer-types-discards-qualifiers -Wno-unused-command-line-argument -Wno-ignored-qualifiers")
-	add_link_options(" --preload-file res --use-preload-plugins sNO_DYNAMIC_EXECUTION=1 -sALLOW_MEMORY_GROWTH=1 -sASSERTIONS=1 -sDISABLE_DEPRECATED_FIND_EVENT_TARGET_BEHAVIOR=0")
+	target_link_options(${PROJECT_NAME} PRIVATE --preload-file res -s USE_WEBGL2=1 )
 elseif (WIN32)
-	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mwindows")
+	set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -mwindows -Wno-discarded-qualifers")
 	target_link_libraries(${PROJECT_NAME} mingw32 m SDL2main SDL2 SDL2_image SDL2_mixer SDL2_ttf opengl32 glew32)
 elseif (UNIX)
 	target_link_libraries(${PROJECT_NAME} m SDL2 SDL2_image SDL2_mixer SDL2_ttf GL GLEW)

src/engine/camera.h

@@ -1,7 +1,11 @@
 #pragma once
 
+#ifdef EMSCRIPTEN
+#include <GLES3/gl32.h>
+#else
 #include <GL/glew.h>
 #include <GL/gl.h>
+#endif
 
 #include "window.h"
 

src/engine/rbo.h

@@ -1,7 +1,11 @@
 #pragma once
 
+#ifdef EMSCRIPTEN
+#include <GLES3/gl32.h>
+#else
 #include <GL/glew.h>
 #include <GL/gl.h>
+#endif
 
 #include "../COMMON.h"
 

src/engine/renderer.c

@@ -57,9 +57,21 @@ renderer_init(Renderer* self, Window* window, CameraType type, const ivec2* buff
 
 	self->window = window;
 
+#ifdef EMSCRIPTEN
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_ES);
+   	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
+   	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 0);
+
+	self->glContext = SDL_GL_CreateContext(self->window->sdl);
+#else
+	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
+   	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
+   	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
+
 	self->glContext = SDL_GL_CreateContext(self->window->sdl);
 
 	glew_init();
+#endif
 
 	vao_init(&self->vao);
 	vbo_init(&self->vbo, GL_ARRAY_BUFFER, true);
@@ -145,7 +157,9 @@ renderer_buffer_use(Renderer* self, RendererBuffer buffer)
 void
 renderer_buffer_clear(Renderer* self, RendererBuffer buffer)
 {
-	texture_clear(&self->fboTextures[buffer]);
+	fbo_bind(&self->fbos[buffer]);
+	glClearBufferfv(GL_COLOR, 0, TRANSPARENT);
+	fbo_unbind();
 }
 
 void

src/engine/renderer.h

@@ -1,7 +1,6 @@
 #pragma once
 
 #include "camera.h"
-#include "glew.h"
 #include "window.h"
 #include "shader.h"
 #include "vao.h"
@@ -10,6 +9,10 @@
 #include "vbo.h"
 #include "vertexattribute.h"
 
+#ifndef EMSCRIPTEN
+#include "glew.h"
+#endif
+
 #define RENDERER_BUFFER_COUNT RENDERER_BUFFER_CURSOR + 1
 typedef enum RendererBuffer
 {

src/engine/sdl.c

@@ -47,14 +47,6 @@ sdl_init(void)
 	SDL_GL_SetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, SDL_GL_CONTEXT_PROFILE_CORE);
    	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MAJOR_VERSION, 3);
    	SDL_GL_SetAttribute(SDL_GL_CONTEXT_MINOR_VERSION, 3);
-
-	/*
-	SDL_GL_SetAttribute(SDL_GL_RED_SIZE, 8);
-	SDL_GL_SetAttribute(SDL_GL_GREEN_SIZE, 8);
-	SDL_GL_SetAttribute(SDL_GL_BLUE_SIZE, 8);
-	SDL_GL_SetAttribute(SDL_GL_ALPHA_SIZE, 8);
-	SDL_GL_SetAttribute(SDL_GL_DOUBLEBUFFER, 1);
-	*/
 }
 
 /* Quits SDL. */

src/engine/texture.c

@@ -86,7 +86,11 @@ texture_free(Texture* self)
 void
 texture_clear(Texture* self)
 {
+	vec4 color = {1.0f, 0.0f, 0.0f, 1.0f};
+
 	texture_bind(self);
-	glClearTexImage(self->handle, 0, GL_RGBA, GL_UNSIGNED_BYTE, NULL);
+
+	glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, self->size[0], self->size[1], GL_RGBA, GL_FLOAT, color);
+	
 	texture_unbind();
 }

src/engine/texture.h

@@ -1,7 +1,13 @@
 #pragma once
 
+#ifdef EMSCRIPTEN
+#include <GLES3/gl32.h>
+#include <GL/gl.h>
+#else
 #include <GL/glew.h>
 #include <GL/gl.h>
+#endif
+
 #include <SDL2/SDL.h>
 #include <SDL2/SDL_image.h>
 

src/engine/vao.h

@@ -1,7 +1,11 @@
 #pragma once
 
+#ifdef EMSCRIPTEN
+#include <GLES3/gl32.h>
+#else
 #include <GL/glew.h>
 #include <GL/gl.h>
+#endif
 
 #include "../COMMON.h"
 

src/engine/vbo.h

@@ -1,7 +1,11 @@
 #pragma once
 
+#ifdef EMSCRIPTEN
+#include <GLES3/gl32.h>
+#else
 #include <GL/glew.h>
 #include <GL/gl.h>
+#endif
 
 #include "../COMMON.h"
 

src/engine/vertexattribute.c

@@ -12,9 +12,6 @@ vertex_attribute_set(GLuint index, GLint size, GLenum type, GLsizei stride, size
 		case GL_INT:
 		case GL_UNSIGNED_INT:
 		case GL_INT_2_10_10_10_REV:
-		case GL_UNSIGNED_INT_2_10_10_10_REV:
-			glVertexAttribIPointer(index, size, type, stride, (void*)offset);
-			break;
 		default:
 			glVertexAttribPointer(index, size, type, GL_FALSE, stride, (void*)offset);
 			break;

src/engine/vertexattribute.h

@@ -1,7 +1,11 @@
 #pragma once
 
+#ifdef EMSCRIPTEN
+#include <GLES3/gl32.h>
+#else
 #include <GL/glew.h>
 #include <GL/gl.h>
+#endif
 
 #include "../COMMON.h"
 

src/game/game.c

@@ -69,7 +69,7 @@ _game_draw(Game* self)
 	renderer_clear(&self->renderer);
 
 	for (s32 i = 0; i < RENDERER_BUFFER_COUNT; i++)
-		renderer_buffer_clear(&self->renderer, (RendererBuffer)i);
+		renderer_buffer_init(&self->renderer, (RendererBuffer)i);
 
 	ecs_draw(&self->ecs);
 
@@ -85,6 +85,9 @@ _game_draw(Game* self)
 	}
 
 	renderer_present(&self->renderer);
+
+	for (s32 i = 0; i < RENDERER_BUFFER_COUNT; i++)
+		renderer_buffer_free(&self->renderer, (RendererBuffer)i);
 }
 void
 game_init(Game* self)

src/game/resource/RESOURCE_COMMON.h

@@ -21,10 +21,19 @@ typedef struct ShaderPaths
 
 static const ShaderPaths SHADER_PATHS[SHADER_COUNT] =
 {
+
+#ifdef EMSCRIPTEN
+	{
+		.vertex = "res/shader/texture_quad_es.vs",
+		.fragment = "res/shader/texture_quad_es.fs"
+	}
+#else
 	{
 		.vertex = "res/shader/texture_quad.vs",
 		.fragment = "res/shader/texture_quad.fs"
 	}
+#endif
+
 };
 
 #define TEXTURE_COUNT TEXTURE_ENDING_THREE + 1

src/main.c

@@ -12,7 +12,7 @@ main(s32 argc, char** argv)
 	game_init(&game);
 
 #ifdef EMSCRIPTEN
-	emscripten_set_main_loop(loop, 60, true);
+	emscripten_set_main_loop(loop, -1, true);
 #else
 	while (true)
 		loop();