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eliminate dummy window egl setup

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This commit is contained in:
Ryan Fleury
2025-05-12 17:20:46 -07:00
parent d564184d31
commit 533136875e
1 changed files with 58 additions and 55 deletions
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src/render/opengl/linux/egl/render_opengl_linux_egl.c
+51 -48
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@@ -52,6 +52,53 @@ r_ogl_os_init(CmdLine *cmdln)
os_abort(1); os_abort(1);
} }
//- rjf: construct context
{
B32 debug_mode = cmd_line_has_flag(cmdln, str8_lit("opengl_debug"));
#if BUILD_DEBUG
debug_mode = 1;
#endif
EGLint options[] =
{
EGL_CONTEXT_MAJOR_VERSION, 3,
EGL_CONTEXT_MINOR_VERSION, 3,
EGL_CONTEXT_OPENGL_PROFILE_MASK, EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
debug_mode ? EGL_CONTEXT_OPENGL_DEBUG : EGL_NONE, EGL_TRUE,
EGL_NONE,
};
r_ogl_lnx_state->context = eglCreateContext(r_ogl_lnx_state->display, 0, EGL_NO_CONTEXT, options);
if(r_ogl_lnx_state->context == EGL_NO_CONTEXT)
{
os_graphical_message(1, str8_lit("Fatal Error"), str8_lit("Couldn't create OpenGL context with EGL."));
os_abort(1);
}
}
eglMakeCurrent(r_ogl_lnx_state->display, 0, 0, r_ogl_lnx_state->context);
glDrawBuffer(GL_BACK);
}
internal R_Handle
r_ogl_os_window_equip(OS_Handle window)
{
OS_LNX_Window *window_os = (OS_LNX_Window *)window.u64[0];
R_OGL_LNX_Window *w = r_ogl_lnx_state->free_window;
if(w != 0)
{
SLLStackPop(r_ogl_lnx_state->free_window);
}
else
{
w = push_array(r_ogl_lnx_state->arena, R_OGL_LNX_Window, 1);
}
{
EGLint surface_options[] =
{
EGL_GL_COLORSPACE, EGL_GL_COLORSPACE_SRGB,
EGL_NONE,
};
if(r_ogl_lnx_state->config == 0)
{
//- rjf: get all EGL configs //- rjf: get all EGL configs
EGLConfig configs[256] = {0}; EGLConfig configs[256] = {0};
EGLint configs_count = 0; EGLint configs_count = 0;
@@ -80,19 +127,17 @@ r_ogl_os_init(CmdLine *cmdln)
//- rjf: actually choose the egl config //- rjf: actually choose the egl config
{ {
Window dummy_window = XCreateWindow(os_lnx_gfx_state->display, XDefaultRootWindow(os_lnx_gfx_state->display), 0, 0, 100, 100, 0, CopyFromParent, InputOutput, CopyFromParent, 0, 0); EGLint config_options[] =
EGLint options[] =
{ {
EGL_GL_COLORSPACE, EGL_GL_COLORSPACE_SRGB, EGL_GL_COLORSPACE, EGL_GL_COLORSPACE_SRGB,
EGL_NONE, EGL_NONE,
}; };
for(U32 idx = 0; idx < configs_count; idx += 1) for(U32 idx = 0; idx < configs_count; idx += 1)
{ {
EGLSurface *dummy_surface = eglCreateWindowSurface(r_ogl_lnx_state->display, configs[idx], dummy_window, options); w->surface = eglCreateWindowSurface(r_ogl_lnx_state->display, configs[idx], window_os->window, config_options);
if(dummy_surface != EGL_NO_SURFACE) if(w->surface != EGL_NO_SURFACE)
{ {
r_ogl_lnx_state->config = configs[idx]; r_ogl_lnx_state->config = configs[idx];
eglDestroySurface(r_ogl_lnx_state->display, dummy_surface);
break; break;
} }
} }
@@ -101,54 +146,12 @@ r_ogl_os_init(CmdLine *cmdln)
os_graphical_message(1, str8_lit("Fatal Error"), str8_lit("Couldn't find a suitable EGL configuration.")); os_graphical_message(1, str8_lit("Fatal Error"), str8_lit("Couldn't find a suitable EGL configuration."));
os_abort(1); os_abort(1);
} }
XDestroyWindow(os_lnx_gfx_state->display, dummy_window);
} }
//- rjf: construct context
{
B32 debug_mode = cmd_line_has_flag(cmdln, str8_lit("opengl_debug"));
#if BUILD_DEBUG
debug_mode = 1;
#endif
EGLint options[] =
{
EGL_CONTEXT_MAJOR_VERSION, 3,
EGL_CONTEXT_MINOR_VERSION, 3,
EGL_CONTEXT_OPENGL_PROFILE_MASK, EGL_CONTEXT_OPENGL_CORE_PROFILE_BIT,
debug_mode ? EGL_CONTEXT_OPENGL_DEBUG : EGL_NONE, EGL_TRUE,
EGL_NONE,
};
r_ogl_lnx_state->context = eglCreateContext(r_ogl_lnx_state->display, r_ogl_lnx_state->config, EGL_NO_CONTEXT, options);
if(r_ogl_lnx_state->context == EGL_NO_CONTEXT)
{
os_graphical_message(1, str8_lit("Fatal Error"), str8_lit("Couldn't create OpenGL context with EGL."));
os_abort(1);
}
}
eglMakeCurrent(r_ogl_lnx_state->display, 0, 0, r_ogl_lnx_state->context);
}
internal R_Handle
r_ogl_os_window_equip(OS_Handle window)
{
OS_LNX_Window *window_os = (OS_LNX_Window *)window.u64[0];
R_OGL_LNX_Window *w = r_ogl_lnx_state->free_window;
if(w != 0)
{
SLLStackPop(r_ogl_lnx_state->free_window);
} }
else else
{ {
w = push_array(r_ogl_lnx_state->arena, R_OGL_LNX_Window, 1); w->surface = eglCreateWindowSurface(r_ogl_lnx_state->display, r_ogl_lnx_state->config, window_os->window, surface_options);
} }
{
EGLint options[] =
{
EGL_GL_COLORSPACE, EGL_GL_COLORSPACE_SRGB,
EGL_NONE,
};
w->surface = eglCreateWindowSurface(r_ogl_lnx_state->display, r_ogl_lnx_state->config, window_os->window, options);
if(w->surface == EGL_NO_SURFACE) if(w->surface == EGL_NO_SURFACE)
{ {
os_graphical_message(1, str8_lit("Fatal Error"), str8_lit("Couldn't create EGL surface.")); os_graphical_message(1, str8_lit("Fatal Error"), str8_lit("Couldn't create EGL surface."));