mirror of
https://github.com/libretro/ppsspp.git
synced 2024-11-25 01:00:01 +00:00
272 lines
8.9 KiB
C++
272 lines
8.9 KiB
C++
#include "Common/CommonWindows.h"
|
|
#include "native/gfx_es2/gl_state.h"
|
|
#include "native/gfx/gl_common.h"
|
|
#include "GL/gl.h"
|
|
#include "GL/wglew.h"
|
|
#include "Core/Config.h"
|
|
#include "util/text/utf8.h"
|
|
#include "i18n/i18n.h"
|
|
|
|
#include "Windows/W32Util/Misc.h"
|
|
#include "Windows/OpenGLBase.h"
|
|
|
|
static HDC hDC; // Private GDI Device Context
|
|
static HGLRC hRC; // Permanent Rendering Context
|
|
static HWND hWnd; // Holds Our Window Handle
|
|
|
|
static int xres, yres;
|
|
|
|
// TODO: Make config?
|
|
static bool enableGLDebug = false;
|
|
|
|
void GL_SwapBuffers() {
|
|
SwapBuffers(hDC);
|
|
|
|
// According to some sources, doing this *after* swapbuffers can reduce frame latency
|
|
// at a large performance cost.
|
|
// glFinish();
|
|
}
|
|
|
|
void FormatDebugOutputARB(char outStr[], size_t outStrSize, GLenum source, GLenum type,
|
|
GLuint id, GLenum severity, const char *msg) {
|
|
char sourceStr[32];
|
|
const char *sourceFmt = "UNDEFINED(0x%04X)";
|
|
switch(source) {
|
|
case GL_DEBUG_SOURCE_API_ARB: sourceFmt = "API"; break;
|
|
case GL_DEBUG_SOURCE_WINDOW_SYSTEM_ARB: sourceFmt = "WINDOW_SYSTEM"; break;
|
|
case GL_DEBUG_SOURCE_SHADER_COMPILER_ARB: sourceFmt = "SHADER_COMPILER"; break;
|
|
case GL_DEBUG_SOURCE_THIRD_PARTY_ARB: sourceFmt = "THIRD_PARTY"; break;
|
|
case GL_DEBUG_SOURCE_APPLICATION_ARB: sourceFmt = "APPLICATION"; break;
|
|
case GL_DEBUG_SOURCE_OTHER_ARB: sourceFmt = "OTHER"; break;
|
|
}
|
|
_snprintf(sourceStr, 32, sourceFmt, source);
|
|
|
|
char typeStr[32];
|
|
const char *typeFmt = "UNDEFINED(0x%04X)";
|
|
switch(type) {
|
|
case GL_DEBUG_TYPE_ERROR_ARB: typeFmt = "ERROR"; break;
|
|
case GL_DEBUG_TYPE_DEPRECATED_BEHAVIOR_ARB: typeFmt = "DEPRECATED_BEHAVIOR"; break;
|
|
case GL_DEBUG_TYPE_UNDEFINED_BEHAVIOR_ARB: typeFmt = "UNDEFINED_BEHAVIOR"; break;
|
|
case GL_DEBUG_TYPE_PORTABILITY_ARB: typeFmt = "PORTABILITY"; break;
|
|
case GL_DEBUG_TYPE_PERFORMANCE_ARB: typeFmt = "PERFORMANCE"; break;
|
|
case GL_DEBUG_TYPE_OTHER_ARB: typeFmt = "OTHER"; break;
|
|
}
|
|
_snprintf(typeStr, 32, typeFmt, type);
|
|
|
|
char severityStr[32];
|
|
const char *severityFmt = "UNDEFINED";
|
|
switch(severity)
|
|
{
|
|
case GL_DEBUG_SEVERITY_HIGH_ARB: severityFmt = "HIGH"; break;
|
|
case GL_DEBUG_SEVERITY_MEDIUM_ARB: severityFmt = "MEDIUM"; break;
|
|
case GL_DEBUG_SEVERITY_LOW_ARB: severityFmt = "LOW"; break;
|
|
}
|
|
|
|
_snprintf(severityStr, 32, severityFmt, severity);
|
|
|
|
_snprintf(outStr, outStrSize, "OpenGL: %s [source=%s type=%s severity=%s id=%d]", msg, sourceStr, typeStr, severityStr, id);
|
|
}
|
|
|
|
void DebugCallbackARB(GLenum source, GLenum type, GLuint id, GLenum severity,
|
|
GLsizei length, const GLchar *message, GLvoid *userParam) {
|
|
(void)length;
|
|
FILE *outFile = (FILE*)userParam;
|
|
char finalMessage[256];
|
|
FormatDebugOutputARB(finalMessage, 256, source, type, id, severity, message);
|
|
OutputDebugStringA(finalMessage);
|
|
ERROR_LOG(G3D, "GL: %s", finalMessage);
|
|
}
|
|
|
|
bool GL_Init(HWND window, std::string *error_message) {
|
|
*error_message = "ok";
|
|
hWnd = window;
|
|
GLuint PixelFormat;
|
|
|
|
// TODO: Change to use WGL_ARB_pixel_format instead
|
|
static const PIXELFORMATDESCRIPTOR pfd = {
|
|
sizeof(PIXELFORMATDESCRIPTOR), // Size Of This Pixel Format Descriptor
|
|
1, // Version Number
|
|
PFD_DRAW_TO_WINDOW | // Format Must Support Window
|
|
PFD_SUPPORT_OPENGL | // Format Must Support OpenGL
|
|
PFD_DOUBLEBUFFER, // Must Support Double Buffering
|
|
PFD_TYPE_RGBA, // Request An RGBA Format
|
|
24, // Select Our Color Depth
|
|
0, 0, 0, 0, 0, 0, // Color Bits Ignored
|
|
8, // No Alpha Buffer
|
|
0, // Shift Bit Ignored
|
|
0, // No Accumulation Buffer
|
|
0, 0, 0, 0, // Accumulation Bits Ignored
|
|
16, // At least a 16Bit Z-Buffer (Depth Buffer)
|
|
8, // 8-bit Stencil Buffer
|
|
0, // No Auxiliary Buffer
|
|
PFD_MAIN_PLANE, // Main Drawing Layer
|
|
0, // Reserved
|
|
0, 0, 0 // Layer Masks Ignored
|
|
};
|
|
|
|
hDC = GetDC(hWnd);
|
|
|
|
if (!hDC) {
|
|
*error_message = "Failed to get a device context.";
|
|
return false; // Return FALSE
|
|
}
|
|
|
|
if (!(PixelFormat = ChoosePixelFormat(hDC, &pfd))) {
|
|
*error_message = "Can't find a suitable PixelFormat.";
|
|
return false;
|
|
}
|
|
|
|
if (!SetPixelFormat(hDC, PixelFormat, &pfd)) {
|
|
*error_message = "Can't set the PixelFormat.";
|
|
return false;
|
|
}
|
|
|
|
if (!(hRC = wglCreateContext(hDC))) {
|
|
*error_message = "Can't create a GL rendering context.";
|
|
return false;
|
|
}
|
|
|
|
if (!wglMakeCurrent(hDC, hRC)) {
|
|
*error_message = "Can't activate the GL rendering context.";
|
|
return false;
|
|
}
|
|
|
|
// Check for really old OpenGL drivers and refuse to run really early in some cases.
|
|
|
|
// TODO: Also either tell the user to give up or point the user to the right websites. Here's some collected
|
|
// information about a system that will not work:
|
|
|
|
// GL_VERSION GL_VENDOR GL_RENDERER
|
|
// "1.4.0 - Build 8.14.10.2364" "intel" intel Pineview Platform
|
|
I18NCategory *err = GetI18NCategory("Error");
|
|
|
|
std::string glVersion = (const char *)glGetString(GL_VERSION);
|
|
std::string glRenderer = (const char *)glGetString(GL_RENDERER);
|
|
const std::string openGL_1 = "1.";
|
|
|
|
if (glRenderer == "GDI Generic" || glVersion.substr(0, openGL_1.size()) == openGL_1) {
|
|
const char *defaultError = "Insufficient OpenGL driver support detected!\n\n"
|
|
"Your GPU reports that it does not support OpenGL 2.0. Would you like to try using DirectX 9 instead?\n\n"
|
|
"DirectX is currently compatible with less games, but on your GPU it may be the only choice.\n\n"
|
|
"Visit the forums at http://forums.ppsspp.org for more information.\n\n";
|
|
|
|
std::wstring versionDetected = ConvertUTF8ToWString(glVersion + "\n\n");
|
|
std::wstring error = ConvertUTF8ToWString(err->T("InsufficientOpenGLDriver", defaultError));
|
|
std::wstring title = ConvertUTF8ToWString(err->T("OpenGLDriverError", "OpenGL driver error"));
|
|
std::wstring combined = versionDetected + error;
|
|
|
|
bool yes = IDYES == MessageBox(hWnd, combined.c_str(), title.c_str(), MB_ICONERROR | MB_YESNO);
|
|
|
|
if (yes) {
|
|
// Change the config to D3D and restart.
|
|
g_Config.iGPUBackend = GPU_BACKEND_DIRECT3D9;
|
|
g_Config.Save();
|
|
|
|
W32Util::ExitAndRestart();
|
|
}
|
|
|
|
// Avoid further error messages. Let's just bail, it's safe, and we can't continue.
|
|
ExitProcess(1);
|
|
}
|
|
|
|
if (GLEW_OK != glewInit()) {
|
|
*error_message = "Failed to initialize GLEW.";
|
|
return false;
|
|
}
|
|
|
|
CheckGLExtensions();
|
|
|
|
int contextFlags = enableGLDebug ? WGL_CONTEXT_DEBUG_BIT_ARB : 0;
|
|
|
|
// Alright, now for the modernity. First try a 4.4, then 4.3, context, if that fails try 3.3.
|
|
// I can't seem to find a way that lets you simply request the newest version available.
|
|
const int attribs44[] = {
|
|
WGL_CONTEXT_MAJOR_VERSION_ARB, 4,
|
|
WGL_CONTEXT_MINOR_VERSION_ARB, 4,
|
|
WGL_CONTEXT_FLAGS_ARB, contextFlags,
|
|
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
|
|
0
|
|
};
|
|
const int attribs43[] = {
|
|
WGL_CONTEXT_MAJOR_VERSION_ARB, 4,
|
|
WGL_CONTEXT_MINOR_VERSION_ARB, 3,
|
|
WGL_CONTEXT_FLAGS_ARB, contextFlags,
|
|
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
|
|
0
|
|
};
|
|
const int attribs33[] = {
|
|
WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
|
|
WGL_CONTEXT_MINOR_VERSION_ARB, 3,
|
|
WGL_CONTEXT_FLAGS_ARB, contextFlags,
|
|
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB,
|
|
0
|
|
};
|
|
|
|
HGLRC m_hrc;
|
|
if(wglewIsSupported("WGL_ARB_create_context") == 1) {
|
|
m_hrc = wglCreateContextAttribsARB(hDC, 0, attribs44);
|
|
if (!m_hrc)
|
|
m_hrc = wglCreateContextAttribsARB(hDC, 0, attribs43);
|
|
if (!m_hrc)
|
|
m_hrc = wglCreateContextAttribsARB(hDC, 0, attribs33);
|
|
if (!m_hrc) {
|
|
// Fall back
|
|
m_hrc = hRC;
|
|
} else {
|
|
// Switch to the new ARB context.
|
|
wglMakeCurrent(NULL, NULL);
|
|
wglDeleteContext(hRC);
|
|
wglMakeCurrent(hDC, m_hrc);
|
|
}
|
|
} else {
|
|
// We can't make a GL 3.x context. Use an old style context (GL 2.1 and before)
|
|
m_hrc = hRC;
|
|
}
|
|
|
|
if (GLEW_OK != glewInit()) {
|
|
*error_message = "Failed to re-initialize GLEW.";
|
|
return false;
|
|
}
|
|
|
|
|
|
if (!m_hrc) {
|
|
*error_message = "No m_hrc";
|
|
return false;
|
|
}
|
|
|
|
hRC = m_hrc;
|
|
|
|
glstate.Initialize();
|
|
if (wglSwapIntervalEXT)
|
|
wglSwapIntervalEXT(0);
|
|
if (enableGLDebug && glewIsSupported("GL_ARB_debug_output")) {
|
|
glDebugMessageCallbackARB((GLDEBUGPROCARB)&DebugCallbackARB, 0); // print debug output to stderr
|
|
glEnable(GL_DEBUG_OUTPUT_SYNCHRONOUS_ARB);
|
|
}
|
|
return true; // Success
|
|
}
|
|
|
|
void GL_Shutdown() {
|
|
if (hRC) {
|
|
// Are we able to release the DC and RC contexts?
|
|
if (!wglMakeCurrent(NULL,NULL)) {
|
|
MessageBox(NULL,L"Release of DC and RC failed.", L"SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
|
|
}
|
|
|
|
// Are we able to delete the RC?
|
|
if (!wglDeleteContext(hRC)) {
|
|
MessageBox(NULL,L"Release rendering context failed.", L"SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
|
|
}
|
|
hRC = NULL;
|
|
}
|
|
|
|
if (hDC && !ReleaseDC(hWnd,hDC)) {
|
|
DWORD err = GetLastError();
|
|
if (err != ERROR_DC_NOT_FOUND) {
|
|
MessageBox(NULL,L"Release device context failed.", L"SHUTDOWN ERROR",MB_OK | MB_ICONINFORMATION);
|
|
}
|
|
hDC = NULL;
|
|
}
|
|
hWnd = NULL;
|
|
}
|