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Backed out changeset: 455175ba6c2e

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--HG--
branch : opengl3
hg/feature/opengl3
kaetemi 11 years ago
parent ec190696ad
commit 07269aea3e
6 changed files with 114 additions and 71 deletions
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13
code/nel/src/3d/driver/opengl3/driver_opengl.h
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@ -75,19 +75,6 @@
// For optimisation consideration, allow 256 lightmaps at max.
#define NL3D_DRV_MAX_LIGHTMAP 256
/*
#define CHECK_GL_ERROR { \
GLenum error = glGetError(); \
if (error != GL_NO_ERROR)\
{\
displayGLError(error);\
nlassert(0);\
}\
}
*/
#define UNSUPPORTED_INDEX_OFFSET_MSG "Unsupported by driver, check IDriver::supportIndexOffset."
using NLMISC::CMatrix;

88
code/nel/src/3d/driver/opengl3/driver_opengl_extension.cpp
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@ -64,6 +64,8 @@ void (*nglGetProcAddress(const char *procName))()
// The exported function names
// Core 3.30
PFNGLGETSTRINGIPROC nglGetStringi;
PFNGLATTACHSHADERPROC nglAttachShader;
PFNGLCOMPILESHADERPROC nglCompileShader;
PFNGLCREATEPROGRAMPROC nglCreateProgram;
@ -245,6 +247,9 @@ PFNWGLGETSWAPINTERVALEXTPROC nwglGetSwapIntervalEXT;
// WGL_ARB_extensions_string
PFNWGLGETEXTENSIONSSTRINGARBPROC nwglGetExtensionsStringARB;
// WGL_ARB_create_context_profile
PFNWGLCREATECONTEXTATTRIBSARBPROC nwglCreateContextAttribsARB;
#elif defined(NL_OS_MAC)
#elif defined(NL_OS_UNIX)
@ -276,6 +281,19 @@ namespace NLDRIVERGL3 {
#define CHECK_EXT(ext_str) \
if (strstr(glext, ext_str)==NULL) { nlwarning("3D: OpengGL extension '%s' was not found", ext_str); return false; } else { nldebug("3D: OpengGL Extension '%s' found", ext_str); }
bool checkExt2(std::vector<const char *> &glext, const char *ext_str)
{
for (int i = 0; i < glext.size(); ++i)
{
if (strcmp(glext[i], ext_str) == 0)
return true;
}
return false;
}
#define CHECK_EXT_2(ext_str) \
if (!checkExt2(glext, ext_str)) { nlwarning("3D: OpengGL extension '%s' was not found", ext_str); return false; } else { nldebug("3D: OpengGL Extension '%s' found", ext_str); }
// Debug: don't return false if the procaddr returns 0
// It means that it can crash if nel calls this extension but at least we have a warning to know why the extension is available but not the procaddr
#define CHECK_ADDRESS(type, ext) \
@ -286,11 +304,11 @@ namespace NLDRIVERGL3 {
// Extensions registrations, and Windows function Registration.
// *********************************
static bool setupEXTTextureCompressionS3TC(const char *glext)
static bool setupEXTTextureCompressionS3TC(std::vector<const char *> &glext)
{
H_AUTO_OGL(setupEXTTextureCompressionS3TC);
CHECK_EXT("GL_EXT_texture_compression_s3tc");
CHECK_EXT_2("GL_EXT_texture_compression_s3tc");
// TODO: check also for GL_S3_s3tc, GL_EXT_texture_compression_dxt1
return true;
@ -329,14 +347,14 @@ static bool setupWGLARBPixelFormat (const char *glext)
#endif
// ***************************************************************************
static bool setupEXTTextureFilterAnisotropic(const char *glext)
static bool setupEXTTextureFilterAnisotropic(std::vector<const char *> &glext)
{
H_AUTO_OGL(setupEXTTextureFilterAnisotropic);
CHECK_EXT("GL_EXT_texture_filter_anisotropic");
CHECK_EXT_2("GL_EXT_texture_filter_anisotropic");
return true;
}
static bool setupGLCore(const char *glext)
static bool setupGLCore(std::vector<const char *> &glext)
{
CHECK_ADDRESS(PFNGLATTACHSHADERPROC, glAttachShader);
CHECK_ADDRESS(PFNGLCOMPILESHADERPROC, glCompileShader);
@ -437,9 +455,9 @@ static bool setupGLCore(const char *glext)
return true;
}
static bool setupARBSeparateShaderObjects(const char *glext)
static bool setupARBSeparateShaderObjects(std::vector<const char *> &glext)
{
CHECK_EXT("GL_ARB_separate_shader_objects");
CHECK_EXT_2("GL_ARB_separate_shader_objects");
CHECK_ADDRESS(PFNGLUSEPROGRAMSTAGESPROC, glUseProgramStages);
CHECK_ADDRESS(PFNGLACTIVESHADERPROGRAMPROC, glActiveShaderProgram);
@ -507,10 +525,12 @@ static bool setupARBSeparateShaderObjects(const char *glext)
// ***************************************************************************
// Extension Check.
void registerGlExtensions(CGlExtensions &ext)
bool registerGlExtensions(CGlExtensions &ext)
{
H_AUTO_OGL(registerGlExtensions);
nldebug("Register OpenGL extensions");
const char *nglVersion= (const char *)glGetString (GL_VERSION);
sint a=0, b=0;
@ -522,20 +542,36 @@ void registerGlExtensions(CGlExtensions &ext)
nlassert(false);
}
nldebug("OpenGL version is OK");
// Extensions.
const char *glext= (const char*)glGetString(GL_EXTENSIONS);
GLint ntext;
/*const char *glext= (const char*)glGetString(GL_EXTENSIONS);
GLint ntext;*/
// Get proc address
CHECK_ADDRESS(PFNGLGETSTRINGIPROC, glGetStringi);
nldebug("GL3: glGetStringi found!");
std::vector<const char *> glext;
GLint numExt;
glGetIntegerv(GL_NUM_EXTENSIONS, &numExt);
nldebug("GL3: GL_NUM_EXTENSIONS = %i", numExt);
glext.resize(numExt);
for (GLint i = 0; i < numExt; ++i)
{
glext[i] = static_cast<const char *>(static_cast<const void *>(nglGetStringi(GL_EXTENSIONS, i)));
}
nldebug("3D: Available OpenGL Extensions:");
if (DebugLog)
{
vector<string> exts;
explode(string(glext), string(" "), exts);
for (uint i = 0; i < exts.size(); i++)
//vector<string> exts;
//explode(string(glext), string(" "), exts);
for (uint i = 0; i < glext.size(); i++)
{
if (i%5==0) DebugLog->displayRaw("3D: ");
DebugLog->displayRaw(string(exts[i]+" ").c_str());
DebugLog->displayRaw(string(string(glext[i]) + " ").c_str());
if (i%5==4) DebugLog->displayRaw("\n");
}
DebugLog->displayRaw("\n");
@ -562,6 +598,8 @@ void registerGlExtensions(CGlExtensions &ext)
GLint nbFragmentTextureUnits;
glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, &nbFragmentTextureUnits);
ext.NbFragmentTextureUnits = (nbFragmentTextureUnits > IDRV_MAT_MAXTEXTURES) ? IDRV_MAT_MAXTEXTURES : nbFragmentTextureUnits; // FIXME GL3
return true;
}
@ -579,6 +617,19 @@ static bool setupWGLEXTSwapControl(const char *glext)
return true;
}
// *********************************
static bool setupWGLARBCreateContextProfile(const char *glext)
{
H_AUTO_OGL(setupWGLARBCreateContextProfile);
CHECK_EXT("WGL_ARB_create_context_profile");
#ifdef NL_OS_WINDOWS
CHECK_ADDRESS(PFNWGLCREATECONTEXTATTRIBSARBPROC, wglCreateContextAttribsARB);
#endif
return true;
}
// *********************************
static bool setupGLXEXTSwapControl(const char *glext)
{
@ -652,13 +703,16 @@ bool registerWGlExtensions(CGlExtensions &ext, HDC hDC)
}
// Check for pbuffer
ext.WGLARBPBuffer= setupWGLARBPBuffer(glext);
ext.WGLARBPBuffer = setupWGLARBPBuffer(glext);
// Check for pixel format
ext.WGLARBPixelFormat= setupWGLARBPixelFormat(glext);
ext.WGLARBPixelFormat = setupWGLARBPixelFormat(glext);
// Check for swap control
ext.WGLEXTSwapControl= setupWGLEXTSwapControl(glext);
ext.WGLEXTSwapControl = setupWGLEXTSwapControl(glext);
// Check for create context profile
ext.WGLARBCreateContextProfile = setupWGLARBCreateContextProfile(glext);
return true;
}

14
code/nel/src/3d/driver/opengl3/driver_opengl_extension.h
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@ -52,6 +52,7 @@ struct CGlExtensions
bool WGLARBPBuffer;
bool WGLARBPixelFormat;
bool WGLEXTSwapControl;
bool WGLARBCreateContextProfile;
// GLX extensions, true if supported
bool GLXEXTSwapControl;
@ -75,6 +76,7 @@ public:
WGLARBPBuffer = false;
WGLARBPixelFormat = false;
WGLEXTSwapControl = false;
WGLARBCreateContextProfile = false;
GLXEXTSwapControl = false;
GLXSGISwapControl = false;
@ -105,6 +107,7 @@ public:
result += WGLARBPBuffer ? "WGLARBPBuffer " : "";
result += WGLARBPixelFormat ? "WGLARBPixelFormat " : "";
result += WGLEXTSwapControl ? "WGLEXTSwapControl " : "";
result += WGLARBCreateContextProfile ? "WGLARBCreateContextProfile" : "";
#elif defined(NL_OS_MAC)
#elif defined(NL_OS_UNIX)
result += "\n GLX: ";
@ -130,7 +133,7 @@ bool registerGlXExtensions(CGlExtensions &ext, Display *dpy, sint screen);
#endif // NL_OS_WINDOWS
/// This function test and register the extensions for the current GL context.
void registerGlExtensions(CGlExtensions &ext);
bool registerGlExtensions(CGlExtensions &ext);
#ifdef NL_STATIC
} // NLDRIVERGL3
@ -148,6 +151,8 @@ void registerGlExtensions(CGlExtensions &ext);
*/
// Core 3.30
extern PFNGLGETSTRINGIPROC nglGetStringi;
extern PFNGLATTACHSHADERPROC nglAttachShader;
extern PFNGLCOMPILESHADERPROC nglCompileShader;
extern PFNGLCREATEPROGRAMPROC nglCreateProgram;
@ -329,9 +334,12 @@ extern PFNWGLCHOOSEPIXELFORMATARBPROC nwglChoosePixelFormatARB;
extern PFNWGLSWAPINTERVALEXTPROC nwglSwapIntervalEXT;
extern PFNWGLGETSWAPINTERVALEXTPROC nwglGetSwapIntervalEXT;
// WGL_ARB_extensions_string
extern PFNWGLGETEXTENSIONSSTRINGARBPROC nwglGetExtensionsStringARB;
extern PFNWGLGETEXTENSIONSSTRINGARBPROC nwglGetExtensionsStringARB;
// WGL_ARB_create_context_profile
extern PFNWGLCREATECONTEXTATTRIBSARBPROC nwglCreateContextAttribsARB;
#elif defined(NL_OS_MAC)
#elif defined(NL_OS_UNIX)

26
code/nel/src/3d/driver/opengl3/driver_opengl_program.cpp
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@ -104,7 +104,6 @@ bool CDriverGL3::compileVertexProgram(CVertexProgram *program)
return false;
const char *s = src->SourcePtr;
glGetError();
unsigned int id = nglCreateShaderProgramv(GL_VERTEX_SHADER, 1, &s);
if (id == 0)
@ -135,10 +134,6 @@ bool CDriverGL3::compileVertexProgram(CVertexProgram *program)
}
}
GLenum error = glGetError();
if (error != GL_NO_ERROR)
return false;
ItGPUPrgDrvInfoPtrList it = _GPUPrgDrvInfos.insert(_GPUPrgDrvInfos.end(),(NL3D::IProgramDrvInfos*)NULL);
CProgramDrvInfosGL3 *drvInfo = new CProgramDrvInfosGL3(this, it);
*it = drvInfo;
@ -180,16 +175,8 @@ bool CDriverGL3::activeVertexProgram(CVertexProgram *program, bool driver)
m_DriverVertexProgram = NULL;
return false;
}
glGetError();
nglUseProgramStages(ppoId, GL_VERTEX_SHADER_BIT, drvInfo->getProgramId());
GLenum error = glGetError();
if (error != GL_NO_ERROR)
{
m_UserVertexProgram = NULL;
m_DriverVertexProgram = NULL;
return false;
}
if (!driver) m_UserVertexProgram = program;
m_DriverVertexProgram = program;
@ -224,7 +211,6 @@ bool CDriverGL3::compilePixelProgram(CPixelProgram *program)
return false;
const char *s = src->SourcePtr;
glGetError();
unsigned int id = nglCreateShaderProgramv(GL_FRAGMENT_SHADER, 1, &s);
if (id == 0)
return false;
@ -254,10 +240,6 @@ bool CDriverGL3::compilePixelProgram(CPixelProgram *program)
}
}
GLenum error = glGetError();
if (error != GL_NO_ERROR)
return false;
ItGPUPrgDrvInfoPtrList it = _GPUPrgDrvInfos.insert(_GPUPrgDrvInfos.end(), (NL3D::IProgramDrvInfos*)NULL);
CProgramDrvInfosGL3 *drvInfo = new CProgramDrvInfosGL3(this, it);
*it = drvInfo;
@ -306,16 +288,8 @@ bool CDriverGL3::activePixelProgram(CPixelProgram *program, bool driver)
m_DriverPixelProgram = NULL;
return false;
}
glGetError();
nglUseProgramStages(ppoId, GL_FRAGMENT_SHADER_BIT, drvInfo->getProgramId());
GLenum error = glGetError();
if (error != GL_NO_ERROR)
{
m_UserPixelProgram = NULL;
m_DriverPixelProgram = NULL;
return false;
}
if (!driver) m_UserPixelProgram = program;
m_DriverPixelProgram = program;

10
code/nel/src/3d/driver/opengl3/driver_opengl_vertex_buffer_hard.cpp
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@ -75,11 +75,7 @@ IVertexBufferHardGL *CVertexArrayRange::createVBHardGL(uint size, CVertexBuffer
// create a ARB VBHard
GLuint vertexBufferID;
glGetError();
nglGenBuffers(1, &vertexBufferID);
if (glGetError() != GL_NO_ERROR) return NULL;
_Driver->_DriverGLStates.forceBindARBVertexBuffer(vertexBufferID);
switch(_VBType)
{
@ -96,11 +92,6 @@ IVertexBufferHardGL *CVertexArrayRange::createVBHardGL(uint size, CVertexBuffer
nlassert(0);
break;
}
if (glGetError() != GL_NO_ERROR)
{
nglDeleteBuffers(1, &vertexBufferID);
return NULL;
}
CVertexBufferHard *newVbHard= new CVertexBufferHard(_Driver, vb);
newVbHard->initGL(vertexBufferID, this, _VBType);
_Driver->_DriverGLStates.forceBindARBVertexBuffer(0);
@ -223,6 +214,7 @@ void *CVertexBufferHard::lock()
// recreate a vb
GLuint vertexBufferID;
glGetError();
nglGenBuffers(1, &vertexBufferID);
if (glGetError() != GL_NO_ERROR)

32
code/nel/src/3d/driver/opengl3/driver_opengl_window.cpp
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@ -2373,9 +2373,37 @@ bool CDriverGL3::createContext()
{
return false;
}
_hRC=wglCreateContext(_hDC);
wglMakeCurrent(_hDC,_hRC);
bool hasRegularHRC = !_Extensions.WGLARBCreateContextProfile;
if (hasRegularHRC)
{
nldebug("Create regular OpenGL context");
_hRC = wglCreateContext(_hDC);
wglMakeCurrent(_hDC,_hRC);
}
nldebug("Register WGL extensions");
registerWGlExtensions(_Extensions, _hDC);
if (_Extensions.WGLARBCreateContextProfile)
{
if (hasRegularHRC)
{
nldebug("Delete regular OpenGL context");
wglMakeCurrent(_hDC, NULL);
wglDeleteContext(_hRC);
_hRC = NULL;
}
nldebug("Create OpenGL context for Core 3.30 profile");
int attribList[] = {
WGL_CONTEXT_MAJOR_VERSION_ARB, 3,
WGL_CONTEXT_MINOR_VERSION_ARB, 3,
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
0, 0
};
_hRC = nwglCreateContextAttribsARB(_hDC, 0, attribList);
nldebug("Make current");
wglMakeCurrent(_hDC,_hRC);
}
#endif
return true;

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