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UWP: Add support for GLES2 driver

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This commit is contained in:
George Marques 2018-07-12 16:21:35 -03:00
parent ed55fb538a
commit a684e853ab
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GPG Key ID: 046BD46A3201E43D
5 changed files with 58 additions and 46 deletions
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15
platform/uwp/app.cpp
View File

@ -143,14 +143,13 @@ void App::SetWindow(CoreWindow ^ p_window) {
window->KeyUp +=
ref new TypedEventHandler<CoreWindow ^, KeyEventArgs ^>(this, &App::OnKeyUp);
os->set_window(window);
unsigned int argc;
char **argv = get_command_line(&argc);
Main::setup("uwp", argc, argv, false);
// The CoreWindow has been created, so EGL can be initialized.
ContextEGL *context = memnew(ContextEGL(window));
os->set_gl_context(context);
UpdateWindowSize(Size(window->Bounds.Width, window->Bounds.Height));
Main::setup2();
@ -513,7 +512,7 @@ char **App::get_command_line(unsigned int *out_argc) {
if (f == NULL) {
wprintf(L"Couldn't open command line file.");
wprintf(L"Couldn't open command line file.\n");
return fail_cl;
}
@ -527,7 +526,7 @@ char **App::get_command_line(unsigned int *out_argc) {
if (r < 4) {
fclose(f);
wprintf(L"Wrong cmdline length.");
wprintf(L"Wrong cmdline length.\n");
return (fail_cl);
}
@ -539,7 +538,7 @@ char **App::get_command_line(unsigned int *out_argc) {
if (r < 4) {
fclose(f);
wprintf(L"Wrong cmdline param length.");
wprintf(L"Wrong cmdline param length.\n");
return (fail_cl);
}
@ -547,7 +546,7 @@ char **App::get_command_line(unsigned int *out_argc) {
if (strlen > CMD_MAX_LEN) {
fclose(f);
wprintf(L"Wrong command length.");
wprintf(L"Wrong command length.\n");
return (fail_cl);
}
@ -568,7 +567,7 @@ char **App::get_command_line(unsigned int *out_argc) {
delete[] arg;
fclose(f);
wprintf(L"Error reading command.");
wprintf(L"Error reading command.\n");
return (fail_cl);
}
}

30
platform/uwp/gl_context_egl.cpp
View File

@ -93,12 +93,26 @@ Error ContextEGL::initialize() {
EGLint numConfigs = 0;
EGLint majorVersion = 1;
EGLint minorVersion = 0;
EGLint minorVersion;
if (driver == GLES_2_0) {
minorVersion = 0;
} else {
minorVersion = 5;
}
EGLDisplay display = EGL_NO_DISPLAY;
EGLContext context = EGL_NO_CONTEXT;
EGLSurface surface = EGL_NO_SURFACE;
EGLConfig config = nullptr;
EGLint contextAttribs[] = { EGL_CONTEXT_CLIENT_VERSION, 3, EGL_NONE, EGL_NONE };
EGLint contextAttribs[3];
if (driver == GLES_2_0) {
contextAttribs[0] = EGL_CONTEXT_CLIENT_VERSION;
contextAttribs[1] = 2;
contextAttribs[2] = EGL_NONE;
} else {
contextAttribs[0] = EGL_CONTEXT_CLIENT_VERSION;
contextAttribs[1] = 3;
contextAttribs[2] = EGL_NONE;
}
try {
@ -114,7 +128,8 @@ Error ContextEGL::initialize() {
// EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER is an optimization that can have large performance benefits on mobile devices.
// Its syntax is subject to change, though. Please update your Visual Studio templates if you experience compilation issues with it.
//EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER, EGL_TRUE,
EGL_ANGLE_DISPLAY_ALLOW_RENDER_TO_BACK_BUFFER,
EGL_TRUE,
// EGL_PLATFORM_ANGLE_ENABLE_AUTOMATIC_TRIM_ANGLE is an option that enables ANGLE to automatically call
// the IDXGIDevice3::Trim method on behalf of the application when it gets suspended.
@ -193,13 +208,12 @@ void ContextEGL::cleanup() {
}
};
ContextEGL::ContextEGL(CoreWindow ^ p_window) :
ContextEGL::ContextEGL(CoreWindow ^ p_window, Driver p_driver) :
mEglDisplay(EGL_NO_DISPLAY),
mEglContext(EGL_NO_CONTEXT),
mEglSurface(EGL_NO_SURFACE) {
window = p_window;
};
mEglSurface(EGL_NO_SURFACE),
driver(p_driver),
window(p_window) {}
ContextEGL::~ContextEGL() {

11
platform/uwp/gl_context_egl.h
View File

@ -42,6 +42,13 @@ using namespace Windows::UI::Core;
class ContextEGL : public ContextGL {
public:
enum Driver {
GLES_2_0,
GLES_3_0,
};
private:
CoreWindow ^ window;
EGLDisplay mEglDisplay;
@ -53,6 +60,8 @@ class ContextEGL : public ContextGL {
bool vsync;
Driver driver;
public:
virtual void release_current();
@ -70,7 +79,7 @@ public:
void cleanup();
ContextEGL(CoreWindow ^ p_window);
ContextEGL(CoreWindow ^ p_window, Driver p_driver);
~ContextEGL();
};

41
platform/uwp/os_uwp.cpp
View File

@ -30,6 +30,7 @@
#include "os_uwp.h"
#include "drivers/gles2/rasterizer_gles2.h"
#include "drivers/gles3/rasterizer_gles3.h"
#include "drivers/unix/ip_unix.h"
#include "drivers/windows/dir_access_windows.h"
@ -66,12 +67,7 @@ using namespace Windows::ApplicationModel::DataTransfer;
using namespace concurrency;
int OSUWP::get_video_driver_count() const {
return 1;
}
const char *OSUWP::get_video_driver_name(int p_driver) const {
return "GLES3";
return 2;
}
Size2 OSUWP::get_window_size() const {
@ -133,18 +129,6 @@ void OSUWP::set_keep_screen_on(bool p_enabled) {
OS::set_keep_screen_on(p_enabled);
}
int OSUWP::get_audio_driver_count() const {
return AudioDriverManager::get_driver_count();
}
const char *OSUWP::get_audio_driver_name(int p_driver) const {
AudioDriver *driver = AudioDriverManager::get_driver(p_driver);
ERR_FAIL_COND_V(!driver, "");
return AudioDriverManager::get_driver(p_driver)->get_name();
}
void OSUWP::initialize_core() {
last_button_state = 0;
@ -185,10 +169,9 @@ bool OSUWP::can_draw() const {
return !minimized;
};
void OSUWP::set_gl_context(ContextEGL *p_context) {
gl_context = p_context;
};
void OSUWP::set_window(Windows::UI::Core::CoreWindow ^ p_window) {
window = p_window;
}
void OSUWP::screen_size_changed() {
@ -200,6 +183,11 @@ Error OSUWP::initialize(const VideoMode &p_desired, int p_video_driver, int p_au
main_loop = NULL;
outside = true;
if (p_video_driver == VIDEO_DRIVER_GLES2) {
gl_context = memnew(ContextEGL(window, ContextEGL::GLES_2_0));
} else {
gl_context = memnew(ContextEGL(window, ContextEGL::GLES_3_0));
}
gl_context->initialize();
VideoMode vm;
vm.width = gl_context->get_window_width();
@ -240,8 +228,13 @@ Error OSUWP::initialize(const VideoMode &p_desired, int p_video_driver, int p_au
gl_context->make_current();
RasterizerGLES3::register_config();
RasterizerGLES3::make_current();
if (p_video_driver == VIDEO_DRIVER_GLES2) {
RasterizerGLES2::register_config();
RasterizerGLES2::make_current();
} else {
RasterizerGLES3::register_config();
RasterizerGLES3::make_current();
}
gl_context->set_use_vsync(vm.use_vsync);
visual_server = memnew(VisualServerRaster);

7
platform/uwp/os_uwp.h
View File

@ -96,6 +96,7 @@ private:
int pressrc;
ContextEGL *gl_context;
Windows::UI::Core::CoreWindow ^ window;
VideoMode video_mode;
@ -153,10 +154,6 @@ private:
// functions used by main to initialize/deintialize the OS
protected:
virtual int get_video_driver_count() const;
virtual const char *get_video_driver_name(int p_driver) const;
virtual int get_audio_driver_count() const;
virtual const char *get_audio_driver_name(int p_driver) const;
virtual void initialize_core();
virtual Error initialize(const VideoMode &p_desired, int p_video_driver, int p_audio_driver);
@ -231,7 +228,7 @@ public:
virtual bool _check_internal_feature_support(const String &p_feature);
void set_gl_context(ContextEGL *p_context);
void set_window(Windows::UI::Core::CoreWindow ^ p_window);
void screen_size_changed();
virtual void release_rendering_thread();