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Added support for EGL/GLES2 on Windows.

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bkaradzic
2012-06-15 22:30:53 -07:00
parent 440be3caa8
commit ed383b0f1b
3 changed files with 1611 additions and 13 deletions
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69
src/renderer_gl.cpp
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@@ -16,12 +16,12 @@
namespace bgfx
{
#if BX_PLATFORM_WINDOWS
#if BGFX_USE_WGL
PFNWGLGETPROCADDRESSPROC wglGetProcAddress;
PFNWGLMAKECURRENTPROC wglMakeCurrent;
PFNWGLCREATECONTEXTPROC wglCreateContext;
PFNWGLDELETECONTEXTPROC wglDeleteContext;
#endif // BX_PLATFORM_WINDOWS
#endif // BGFX_USE_WGL
#define GL_IMPORT(_optional, _proto, _func) _proto _func
#include "glimports.h"
@@ -52,9 +52,13 @@ namespace bgfx
, m_instance(0)
, m_instInterface(NULL)
, m_graphicsInterface(NULL)
#elif BX_PLATFORM_WINDOWS
#elif BGFX_USE_WGL
, m_context(NULL)
, m_hdc(NULL)
#elif BGFX_USE_EGL
, m_context(NULL)
, m_display(NULL)
, m_surface(NULL)
#elif BX_PLATFORM_LINUX
, m_context(0)
, m_window(0)
@@ -118,7 +122,7 @@ namespace bgfx
m_graphicsInterface->ResizeBuffers(m_context, _width, _height);
}
#elif BX_PLATFORM_WINDOWS
#elif BGFX_USE_WGL
if (NULL == m_hdc)
{
m_opengl32dll = LoadLibrary("opengl32.dll");
@@ -306,6 +310,41 @@ namespace bgfx
{
XResizeWindow(m_display, m_window, _width, _height);
}
#elif BGFX_USE_EGL
if (NULL == m_context)
{
m_display = eglGetDisplay(NULL);
BGFX_FATAL(m_display != EGL_NO_DISPLAY, Fatal::OPENGL_UnableToCreateContext, "Failed to create display 0x%08x", m_display);
EGLint major = 0;
EGLint minor = 0;
EGLBoolean success = eglInitialize(m_display, &major, &minor);
BGFX_FATAL(success && major >= 1 && minor >= 4, Fatal::OPENGL_UnableToCreateContext, "Failed to initialize %d.%d", major, minor);
EGLint attrs[] =
{
# if BX_PLATFORM_ANDROID
EGL_DEPTH_SIZE, 16,
# else
EGL_DEPTH_SIZE, 24,
# endif // BX_PLATFORM_
EGL_NONE
};
EGLint numConfig = 0;
EGLConfig config = 0;
success = eglChooseConfig(m_display, attrs, &config, 1, &numConfig);
BGFX_FATAL(success, Fatal::OPENGL_UnableToCreateContext, "eglChooseConfig");
m_surface = eglCreateWindowSurface(m_display, config, (EGLNativeWindowType)g_bgfxHwnd, NULL);
BGFX_FATAL(m_surface != EGL_NO_SURFACE, Fatal::OPENGL_UnableToCreateContext, "Failed to create surface.");
m_context = eglCreateContext(m_display, config, EGL_NO_CONTEXT, NULL);
BGFX_FATAL(m_context != EGL_NO_CONTEXT, Fatal::OPENGL_UnableToCreateContext, "Failed to create context.");
success = eglMakeCurrent(m_display, m_surface, m_surface, m_context);
BGFX_FATAL(success, Fatal::OPENGL_UnableToCreateContext, "Failed to set context.");
}
#endif // BX_PLATFORM_
}
@@ -319,9 +358,12 @@ namespace bgfx
#if BX_PLATFORM_NACL
glSetCurrentContextPPAPI(m_context);
m_graphicsInterface->SwapBuffers(m_context, naclSwapComplete);
#elif BX_PLATFORM_WINDOWS
#elif BGFX_USE_WGL
wglMakeCurrent(m_hdc, m_context);
SwapBuffers(m_hdc);
#elif BGFX_USE_EGL
eglMakeCurrent(m_display, m_surface, m_surface, m_context);
eglSwapBuffers(m_display, m_surface);
#elif BX_PLATFORM_LINUX
glXSwapBuffers(m_display, m_window);
#endif // BX_PLATFORM_
@@ -350,15 +392,22 @@ namespace bgfx
void shutdown()
{
#if BX_PLATFORM_WINDOWS
#if BGFX_USE_WGL
if (NULL != m_hdc)
{
wglMakeCurrent(NULL, NULL);
wglDeleteContext(m_context);
m_context = NULL;
}
FreeLibrary(m_opengl32dll);
#endif // BX_PLATFORM_WINDOWS
#elif BGFX_USE_EGL
eglMakeCurrent(EGL_NO_DISPLAY, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT);
eglDestroyContext(m_display, m_context);
eglDestroySurface(m_display, m_surface);
eglTerminate(m_display);
m_context = NULL;
#endif // BGFX_USE_
}
IndexBuffer m_indexBuffers[BGFX_CONFIG_MAX_INDEX_BUFFERS];
@@ -386,10 +435,14 @@ namespace bgfx
PP_Instance m_instance;
const PPB_Instance* m_instInterface;
const PPB_Graphics3D* m_graphicsInterface;
#elif BX_PLATFORM_WINDOWS
#elif BGFX_USE_WGL
HMODULE m_opengl32dll;
HGLRC m_context;
HDC m_hdc;
#elif BGFX_USE_EGL
EGLContext m_context;
EGLDisplay m_display;
EGLSurface m_surface;
#elif BX_PLATFORM_LINUX
GLXContext m_context;
Window m_window;