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Get the actual game rendering on cocoa backend

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This commit is contained in:
UnknownShadow200 2019-09-17 21:33:06 +10:00
parent 0503f354de
commit a60a502154
2 changed files with 129 additions and 10 deletions
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63
misc/Window.m
View File

@ -2,6 +2,7 @@
#include "Platform.h"
#include "Input.h"
#include "Event.h"
#include "Logger.h"
#import <Cocoa/Cocoa.h>
// this is the source used to generate the raw code used in window.c
@ -150,3 +151,65 @@ void Window_ProcessEvents1(void) {
[appHandle sendEvent:ev];
}
}
static NSOpenGLContext* ctxHandle;
static NSOpenGLPixelFormat* SelectPixelFormat(struct GraphicsMode* mode, bool fullscreen) {
NSOpenGLPixelFormat* fmt;
uint32_t attribs[7] = {
NSOpenGLPFAColorSize, 0,
NSOpenGLPFADepthSize, GLCONTEXT_DEFAULT_DEPTH,
NSOpenGLPFADoubleBuffer, 0, 0
};
attribs[1] = mode->R + mode->G + mode->B + mode->A;
attribs[5] = fullscreen ? NSOpenGLPFAFullScreen : 0;
fmt = [NSOpenGLPixelFormat alloc];
return [fmt initWithAttributes: attribs];
}
void GLContext_Init1(struct GraphicsMode* mode) {
NSView* view;
NSOpenGLPixelFormat* fmt;
fmt = SelectPixelFormat(mode, true);
if (!fmt) {
Platform_LogConst("Failed to create full screen pixel format.");
Platform_LogConst("Trying again to create a non-fullscreen pixel format.");
fmt = SelectPixelFormat(mode, false);
}
if (!fmt) Logger_Abort("Choosing pixel format");
ctxHandle = [NSOpenGLContext alloc];
ctxHandle = [ctxHandle initWithFormat:fmt shareContext:Nil];
if (!ctxHandle) Logger_Abort("Failed to create OpenGL context");
view = [winHandle contentView];
[ctxHandle setView:view];
/* TODO: Support high DPI OSX */
/* [ctxHandle setWantsBestResolutionOpenGLSurface:YES]; */
[fmt release];
[ctxHandle makeCurrentContext];
[ctxHandle update];
}
void GLContext_Update1(void) {
[ctxHandle update];
}
void GLContext_Free1(void) {
[NSOpenGLContext clearCurrentContext];
[ctxHandle clearDrawable];
[ctxHandle release];
}
bool GLContext_SwapBuffers1(void) {
[ctxHandle flushBuffer];
return true;
}
void GLContext_SetFpsLimit1(bool vsync, float minFrameMs) {
GLint value = vsync ? 1 : 0;
[ctxHandle setValues: &value forParameter: NSOpenGLCPSwapInterval];
}

76
src/Window.c
View File

@ -3691,11 +3691,6 @@ void Window_Init(void) {
void Window_Create(int width, int height) {
CGRect rect;
// TODO: don't set, RefreshBounds
Window_Width = width;
Window_Height = height;
Window_Exists = true;
rect.origin.x = Display_CentreX(width);
rect.origin.y = Display_CentreY(height);
rect.size.width = width;
@ -3704,6 +3699,7 @@ void Window_Create(int width, int height) {
winHandle = objc_msgSend((id)objc_getClass("NSWindow"), sel_registerName("alloc"));
objc_msgSend(winHandle, sel_registerName("initWithContentRect:styleMask:backing:defer:"), rect, (NSTitledWindowMask | NSClosableWindowMask | NSResizableWindowMask | NSMiniaturizableWindowMask), 0, false);
Window_Exists = true;
// TODO: move to setVisible
objc_msgSend(winHandle, sel_registerName("makeKeyAndOrderFront:"), appHandle);
@ -3892,9 +3888,69 @@ void Window_FreeFramebuffer(Bitmap* bmp) {
Mem_Free(bmp->Scan0);
}
void GLContext_Init(struct GraphicsMode* mode) { }
void GLContext_Update(void) { }
void GLContext_Free(void) { }
bool GLContext_SwapBuffers(void) { return true; }
void GLContext_SetFpsLimit(bool vsync, float minFrameMs) { }
#define NSOpenGLPFADoubleBuffer 5
#define NSOpenGLPFAColorSize 8
#define NSOpenGLPFADepthSize 12
#define NSOpenGLPFAStencilSize 13
#define NSOpenGLPFAFullScreen 54
#define NSOpenGLContextParameterSwapInterval 222
static id ctxHandle;
static id MakePixelFormat(struct GraphicsMode* mode, bool fullscreen) {
id fmt;
uint32_t attribs[7] = {
NSOpenGLPFAColorSize, 0,
NSOpenGLPFADepthSize, GLCONTEXT_DEFAULT_DEPTH,
NSOpenGLPFADoubleBuffer, 0, 0
};
attribs[1] = mode->R + mode->G + mode->B + mode->A;
attribs[5] = fullscreen ? NSOpenGLPFAFullScreen : 0;
fmt = objc_msgSend((id)objc_getClass("NSOpenGLPixelFormat"), sel_registerName("alloc"));
return objc_msgSend(fmt, sel_registerName("initWithAttributes:"), attribs);
}
void GLContext_Init(struct GraphicsMode* mode) {
id view, fmt;
fmt = MakePixelFormat(mode, true);
if (!fmt) {
Platform_LogConst("Failed to create full screen pixel format.");
Platform_LogConst("Trying again to create a non-fullscreen pixel format.");
fmt = MakePixelFormat(mode, false);
}
if (!fmt) Logger_Abort("Choosing pixel format");
ctxHandle = objc_msgSend((id)objc_getClass("NSOpenGLContext"), sel_registerName("alloc"));
ctxHandle = objc_msgSend(ctxHandle, sel_registerName("initWithFormat:shareContext:"), fmt, NULL);
if (!ctxHandle) Logger_Abort("Failed to create OpenGL context");
view = objc_msgSend(winHandle, sel_registerName("contentView"));
objc_msgSend(ctxHandle, sel_registerName("setView:"), view);
objc_msgSend(fmt, sel_registerName("release"));
objc_msgSend(ctxHandle, sel_registerName("makeCurrentContext"));
objc_msgSend(ctxHandle, sel_registerName("update"));
}
void GLContext_Update(void) {
objc_msgSend(ctxHandle, sel_registerName("update"));
}
void GLContext_Free(void) {
objc_msgSend((id)objc_getClass("NSOpenGLContext"), sel_registerName("clearCurrentContext"));
objc_msgSend(ctxHandle, sel_registerName("clearDrawable"));
objc_msgSend(ctxHandle, sel_registerName("release"));
}
bool GLContext_SwapBuffers(void) {
objc_msgSend(ctxHandle, sel_registerName("flushBuffer"));
return true;
}
void GLContext_SetFpsLimit(bool vsync, float minFrameMs) {
int value = vsync ? 1 : 0;
objc_msgSend(ctxHandle, sel_registerName("setValues:forParameter:"), &value, NSOpenGLContextParameterSwapInterval);
}
#endif