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Update Mirror Window context creation

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Bastien
2018-09-21 13:05:42 +02:00
parent 547d9ccaa2
commit 50ce9dc871
1 changed files with 5 additions and 84 deletions
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89
examples/opengl/gl.c
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@@ -17,6 +17,8 @@
#include <xcb/xcb.h>
#include "context.inl"
#ifdef __unix
#include <signal.h>
#endif
@@ -118,82 +120,6 @@ static const EGLint egl_surface_attribs[] = {
EGL_NONE,
};
void CreateContext(
EGLint api,
EGLNativeWindowType native_window,
EGLDisplay* out_display,
EGLConfig* out_config,
EGLContext* out_context,
EGLSurface* out_window_surface) {
EGLint ignore;
EGLBoolean ok;
ok = eglBindAPI(api);
if (!ok)
exit(-1);
EGLDisplay display = eglGetDisplay(EGL_DEFAULT_DISPLAY);
if (display == EGL_NO_DISPLAY)
exit(-1);
ok = eglInitialize(display, &ignore, &ignore);
if (!ok)
exit(-1);
EGLint configs_size = 256;
EGLConfig configs [configs_size];
EGLint num_configs;
ok = eglChooseConfig(
display,
egl_config_attribs,
configs,
configs_size, // num requested configs
&num_configs); // num returned configs
if (!ok)
exit(-1);
if (num_configs == 0)
exit(-1);
EGLConfig config = configs[0];
EGLContext context = eglCreateContext(
display,
config,
EGL_NO_CONTEXT, // can't share between 2 different drivers
egl_context_attribs);
if (!context)
exit(-1);
EGLSurface surface = eglCreateWindowSurface(
display,
config,
native_window,
egl_surface_attribs);
if (!surface)
exit(-1);
ok = eglMakeCurrent(display, surface, surface, context);
if (!ok)
exit(-1);
// Check if surface is double buffered.
EGLint render_buffer;
ok = eglQueryContext(
display,
context,
EGL_RENDER_BUFFER,
&render_buffer);
if (!ok)
exit(-1);
if (render_buffer == EGL_SINGLE_BUFFER)
printf("warn: EGL surface is single buffered\n");
*out_display = display;
*out_config = config;
*out_context = context;
*out_window_surface = surface;
}
void init_gl(gl_ctx* ctx, int w, int h)
{
memset(ctx, 0, sizeof(gl_ctx));
@@ -217,16 +143,11 @@ void init_gl(gl_ctx* ctx, int w, int h)
ctx->h = h;
ctx->is_fullscreen = 0;
CreateContext(EGL_OPENGL_API,
ctx->x_window,
&ctx->egl_display,
&ctx->egl_config,
&ctx->egl_context,
&ctx->egl_surface);
bool bContextCreated = create_context(EGL_DEFAULT_DISPLAY, ctx->x_window, egl_config_attribs, egl_context_attribs, egl_surface_attribs, &ctx->egl_display, &ctx->egl_context, &ctx->egl_surface);
if(ctx->egl_context == EGL_NO_CONTEXT)
if(!bContextCreated || ctx->egl_context == EGL_NO_CONTEXT)
{
printf("CreateContext\n");
printf("CreateContext failed\n");
exit(-1);
}