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WIP on eagl context

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This commit is contained in:
UnknownShadow200 2021-09-13 12:54:02 +10:00
parent 984943ee64
commit deb887ff8e
1 changed files with 43 additions and 3 deletions
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46
src/interop_ios.m
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@ -6,6 +6,8 @@
#include "Errors.h"
#include <UIKit/UIPasteboard.h>
#include <UIKit/UIKit.h>
#include <OpenGLES/ES2/gl.h>
#include <OpenGLES/ES2/glext.h>
@interface CCWindow : UIWindow
@end
@ -227,13 +229,51 @@ void Window_LockLandscapeOrientation(cc_bool lock) {
/*########################################################################################################################*
*--------------------------------------------------------GLContext--------------------------------------------------------*
*#########################################################################################################################*/
void GLContext_Create(void) { }
static EAGLContext* ctx_handle;
static GLuint framebuffer;
static GLuint color_renderbuffer, depth_renderbuffer;
static void CreateFramebuffer(void) {
glGenFramebuffers(1, &framebuffer);
glBindFramebuffer(GL_FRAMEBUFFER, framebuffer);
glGenRenderbuffers(1, &color_renderbuffer);
glBindRenderbuffer(GL_RENDERBUFFER, color_renderbuffer);
glRenderbufferStorage(GL_RENDERBUFFER, GL_RGBA8_OES, WindowInfo.Width, WindowInfo.Height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, color_renderbuffer);
glGenRenderbuffers(1, &depth_renderbuffer);
glBindRenderbuffer(GL_RENDERBUFFER, depth_renderbuffer);
glRenderbufferStorage(GL_RENDERBUFFER, GL_DEPTH_COMPONENT24_OES, WindowInfo.Width, WindowInfo.Height);
glFramebufferRenderbuffer(GL_FRAMEBUFFER, GL_DEPTH_ATTACHMENT, GL_RENDERBUFFER, depth_renderbuffer);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status != GL_FRAMEBUFFER_COMPLETE)
Logger_Abort2(status, "Failed to create renderbuffer");
}
void GLContext_Create(void) {
ctx_handle = [[EAGLContext alloc] initWithAPI:kEAGLRenderingAPIOpenGLES2];
[EAGLContext setCurrentContext:ctx_handle];
// unlike other platforms, have to manually setup render framebuffer
CreateFramebuffer();
}
void GLContext_Update(void) { }
cc_bool GLContext_TryRestore(void) { return false; }
void GLContext_Free(void) { }
void GLContext_Free(void) {
[EAGLContext setCurrentContext:Nil];
}
void* GLContext_GetAddress(const char* function) { return NULL; }
cc_bool GLContext_SwapBuffers(void) { return false; }
cc_bool GLContext_SwapBuffers(void) {
static GLenum discards[] = { GL_DEPTH_ATTACHMENT };
glDiscardFramebufferEXT(GL_FRAMEBUFFER, 1, discards);
[ctx_handle presentRenderbuffer:GL_RENDERBUFFER];
return true;
}
void GLContext_SetFpsLimit(cc_bool vsync, float minFrameMs) { }
void GLContext_GetApiInfo(cc_string* info) { }