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Multi-window GL contexts.

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This commit is contained in:
Ben Vanik
2015-09-07 09:08:54 -07:00
parent 5411b67e05
commit 539f69f368
2 changed files with 9 additions and 6 deletions
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10
src/xenia/ui/gl/gl_context.cc
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@@ -59,9 +59,10 @@ void FatalGLError(std::string error) {
"of supported GPUs."); "of supported GPUs.");
} }
std::unique_ptr<GLContext> GLContext::Create(Window* target_window) { std::unique_ptr<GLContext> GLContext::Create(Window* target_window,
GLContext* share_context) {
auto context = std::unique_ptr<GLContext>(new GLContext(target_window)); auto context = std::unique_ptr<GLContext>(new GLContext(target_window));
if (!context->Initialize(target_window)) { if (!context->Initialize(target_window, share_context)) {
return nullptr; return nullptr;
} }
context->AssertExtensionsPresent(); context->AssertExtensionsPresent();
@@ -92,7 +93,7 @@ GLContext::~GLContext() {
} }
} }
bool GLContext::Initialize(Window* target_window) { bool GLContext::Initialize(Window* target_window, GLContext* share_context) {
target_window_ = target_window; target_window_ = target_window;
dc_ = GetDC(HWND(target_window_->native_handle())); dc_ = GetDC(HWND(target_window_->native_handle()));
@@ -152,7 +153,8 @@ bool GLContext::Initialize(Window* target_window) {
WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
0}; 0};
glrc_ = wglCreateContextAttribsARB(dc_, nullptr, attrib_list); glrc_ = wglCreateContextAttribsARB(
dc_, share_context ? share_context->glrc_ : nullptr, attrib_list);
wglMakeCurrent(nullptr, nullptr); wglMakeCurrent(nullptr, nullptr);
wglDeleteContext(temp_context); wglDeleteContext(temp_context);
if (!glrc_) { if (!glrc_) {

5
src/xenia/ui/gl/gl_context.h
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@@ -30,7 +30,8 @@ namespace gl {
class GLContext : public GraphicsContext { class GLContext : public GraphicsContext {
public: public:
static std::unique_ptr<GLContext> Create(Window* target_window); static std::unique_ptr<GLContext> Create(Window* target_window,
GLContext* share_context = nullptr);
~GLContext() override; ~GLContext() override;
@@ -53,7 +54,7 @@ class GLContext : public GraphicsContext {
explicit GLContext(Window* target_window); explicit GLContext(Window* target_window);
GLContext(Window* target_window, HGLRC glrc); GLContext(Window* target_window, HGLRC glrc);
bool Initialize(Window* target_window); bool Initialize(Window* target_window, GLContext* share_context);
void AssertExtensionsPresent(); void AssertExtensionsPresent();
void SetupDebugging(); void SetupDebugging();