public void SetDepthMask(bool write)
{
DepthFunc depthFunc = this.Context.GetDepthFunc();
depthFunc.WriteMask = write;
this.Context.SetDepthFunc(depthFunc);
}
public RenderState(Framebuffer fbuf,
ShaderProgram prog,
StorageBuffer[] ssboBindings,
UniformBuffer[] uboBindings,
bool dWrite,
bool colorWrite,
DepthFunc dTest,
float far,
float near,
BlendFactor src,
BlendFactor dst,
Vector4 ClearColor,
float ClearDepth,
CullFaceMode cullMode,
IndexBuffer iBuffer = null,
Vector4[] viewports = null)
{
Framebuffer = fbuf;
ShaderProgram = prog;
DepthWrite = dWrite;
ColorWrite = colorWrite;
DepthTest = dTest;
FarPlane = far;
NearPlane = near;
Src = src;
Dst = dst;
this.ClearColor = ClearColor;
this.ClearDepth = ClearDepth;
CullMode = cullMode;
ShaderStorageBufferBindings = ssboBindings;
UniformBufferBindings = uboBindings;
IndexBuffer = iBuffer;
if (viewports == null)
{
Viewports = new Vector4[] { new Vector4(0, 0, Framebuffer == null ? 0 : Framebuffer.Width, Framebuffer == null ? 0 : Framebuffer.Height) }
}
;
else
{
Viewports = viewports;
}
}
private void LoadGLEntryPoints()
{
/* Basic entry points. If you don't have these, you're screwed. */
try
{
INTERNAL_glGetString = (GetString) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetString"),
typeof(GetString)
);
glGetIntegerv = (GetIntegerv) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetIntegerv"),
typeof(GetIntegerv)
);
glEnable = (Enable) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEnable"),
typeof(Enable)
);
glDisable = (Disable) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDisable"),
typeof(Disable)
);
glViewport = (G_Viewport) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glViewport"),
typeof(G_Viewport)
);
glDepthRange = (DepthRange) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthRange"),
typeof(DepthRange)
);
glScissor = (Scissor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glScissor"),
typeof(Scissor)
);
glBlendColor = (BlendColor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendColor"),
typeof(BlendColor)
);
glBlendFuncSeparate = (BlendFuncSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendFuncSeparate"),
typeof(BlendFuncSeparate)
);
glBlendEquationSeparate = (BlendEquationSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendEquationSeparate"),
typeof(BlendEquationSeparate)
);
glColorMask = (ColorMask) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glColorMask"),
typeof(ColorMask)
);
glDepthMask = (DepthMask) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthMask"),
typeof(DepthMask)
);
glDepthFunc = (DepthFunc) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthFunc"),
typeof(DepthFunc)
);
glStencilMask = (StencilMask) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilMask"),
typeof(StencilMask)
);
glStencilFuncSeparate = (StencilFuncSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilFuncSeparate"),
typeof(StencilFuncSeparate)
);
glStencilOpSeparate = (StencilOpSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilOpSeparate"),
typeof(StencilOpSeparate)
);
glStencilFunc = (StencilFunc) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilFunc"),
typeof(StencilFunc)
);
glStencilOp = (StencilOp) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilOp"),
typeof(StencilOp)
);
glCullFace = (CullFace) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCullFace"),
typeof(CullFace)
);
glFrontFace = (FrontFace) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glFrontFace"),
typeof(FrontFace)
);
glPolygonMode = (PolygonMode) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPolygonMode"),
typeof(PolygonMode)
);
glPolygonOffset = (PolygonOffset) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPolygonOffset"),
typeof(PolygonOffset)
);
glGenTextures = (GenTextures) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenTextures"),
typeof(GenTextures)
);
glDeleteTextures = (DeleteTextures) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteTextures"),
typeof(DeleteTextures)
);
glBindTexture = (G_BindTexture) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindTexture"),
typeof(G_BindTexture)
);
glTexImage2D = (TexImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexImage2D"),
typeof(TexImage2D)
);
glTexSubImage2D = (TexSubImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexSubImage2D"),
typeof(TexSubImage2D)
);
glCompressedTexImage2D = (CompressedTexImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCompressedTexImage2D"),
typeof(CompressedTexImage2D)
);
glCompressedTexSubImage2D = (CompressedTexSubImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCompressedTexSubImage2D"),
typeof(CompressedTexSubImage2D)
);
glTexImage3D = (TexImage3D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexImage3D"),
typeof(TexImage3D)
);
glTexSubImage3D = (TexSubImage3D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexSubImage3D"),
typeof(TexSubImage3D)
);
glGetTexImage = (GetTexImage) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetTexImage"),
typeof(GetTexImage)
);
glTexParameteri = (TexParameteri) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexParameteri"),
typeof(TexParameteri)
);
glTexParameterf = (TexParameterf) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexParameterf"),
typeof(TexParameterf)
);
glActiveTexture = (ActiveTexture) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glActiveTexture"),
typeof(ActiveTexture)
);
glPixelStorei = (PixelStorei) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPixelStorei"),
typeof(PixelStorei)
);
glGenBuffers = (GenBuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenBuffers"),
typeof(GenBuffers)
);
glDeleteBuffers = (DeleteBuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteBuffers"),
typeof(DeleteBuffers)
);
glBindBuffer = (BindBuffer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindBuffer"),
typeof(BindBuffer)
);
glBufferData = (BufferData) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBufferData"),
typeof(BufferData)
);
glBufferSubData = (BufferSubData) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBufferSubData"),
typeof(BufferSubData)
);
glMapBuffer = (MapBuffer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glMapBuffer"),
typeof(MapBuffer)
);
glUnmapBuffer = (UnmapBuffer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glUnmapBuffer"),
typeof(UnmapBuffer)
);
glClearColor = (ClearColor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearColor"),
typeof(ClearColor)
);
glClearDepth = (ClearDepth) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearDepth"),
typeof(ClearDepth)
);
glClearStencil = (ClearStencil) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearStencil"),
typeof(ClearStencil)
);
glClear = (G_Clear) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClear"),
typeof(G_Clear)
);
glDrawBuffers = (DrawBuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawBuffers"),
typeof(DrawBuffers)
);
glReadPixels = (ReadPixels) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glReadPixels"),
typeof(ReadPixels)
);
glVertexAttribPointer = (VertexAttribPointer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glVertexAttribPointer"),
typeof(VertexAttribPointer)
);
glEnableVertexAttribArray = (EnableVertexAttribArray) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEnableVertexAttribArray"),
typeof(EnableVertexAttribArray)
);
glDisableVertexAttribArray = (DisableVertexAttribArray) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDisableVertexAttribArray"),
typeof(DisableVertexAttribArray)
);
glDrawRangeElements = (DrawRangeElements) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawRangeElements"),
typeof(DrawRangeElements)
);
glDrawArrays = (DrawArrays) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawArrays"),
typeof(DrawArrays)
);
glGenQueries = (GenQueries) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenQueries"),
typeof(GenQueries)
);
glDeleteQueries = (DeleteQueries) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteQueries"),
typeof(DeleteQueries)
);
glBeginQuery = (BeginQuery) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBeginQuery"),
typeof(BeginQuery)
);
glEndQuery = (EndQuery) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEndQuery"),
typeof(EndQuery)
);
glGetQueryObjectiv = (GetQueryObjectiv) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetQueryObjectiv"),
typeof(GetQueryObjectiv)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException("OpenGL 2.1 support is required!");
}
/* ARB_framebuffer_object. We're flexible, but not _that_ flexible. */
try
{
glGenFramebuffers = (GenFramebuffers) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glGenFramebuffers"),
typeof(GenFramebuffers)
);
glDeleteFramebuffers = (DeleteFramebuffers) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glDeleteFramebuffers"),
typeof(DeleteFramebuffers)
);
glBindFramebuffer = (G_BindFramebuffer) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glBindFramebuffer"),
typeof(G_BindFramebuffer)
);
glFramebufferTexture2D = (FramebufferTexture2D) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glFramebufferTexture2D"),
typeof(FramebufferTexture2D)
);
glFramebufferRenderbuffer = (FramebufferRenderbuffer) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glFramebufferRenderbuffer"),
typeof(FramebufferRenderbuffer)
);
glGenerateMipmap = (GenerateMipmap) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glGenerateMipmap"),
typeof(GenerateMipmap)
);
#if !DISABLE_FAUXBACKBUFFER
glBlitFramebuffer = (BlitFramebuffer) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glBlitFramebuffer"),
typeof(BlitFramebuffer)
);
#endif
glGenRenderbuffers = (GenRenderbuffers) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glGenRenderbuffers"),
typeof(GenRenderbuffers)
);
glDeleteRenderbuffers = (DeleteRenderbuffers) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glDeleteRenderbuffers"),
typeof(DeleteRenderbuffers)
);
glBindRenderbuffer = (BindRenderbuffer) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glBindRenderbuffer"),
typeof(BindRenderbuffer)
);
glRenderbufferStorage = (RenderbufferStorage) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glRenderbufferStorage"),
typeof(RenderbufferStorage)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException("OpenGL framebuffer support is required!");
}
/* ARB_instanced_arrays/ARB_draw_instanced are almost optional. */
SupportsHardwareInstancing = true;
try
{
glVertexAttribDivisor = (VertexAttribDivisor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glVertexAttribDivisor"),
typeof(VertexAttribDivisor)
);
glDrawElementsInstanced = (DrawElementsInstanced) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawElementsInstanced"),
typeof(DrawElementsInstanced)
);
}
catch
{
SupportsHardwareInstancing = false;
}
/* EXT_draw_buffers2 is probably used by nobody. */
try
{
glColorMaskIndexedEXT = (ColorMaskIndexedEXT) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glColorMaskIndexedEXT"),
typeof(ColorMaskIndexedEXT)
);
}
catch
{
// FIXME: SupportsIndependentWriteMasks? -flibit
}
/* EXT_framebuffer_multisample/ARB_texture_multisample is glitter -flibit */
supportsMultisampling = true;
try
{
glRenderbufferStorageMultisample = (RenderbufferStorageMultisample) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glRenderbufferStorageMultisample"),
typeof(RenderbufferStorageMultisample)
);
glSampleMaski = (SampleMaski) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glSampleMaski"),
typeof(SampleMaski)
);
}
catch
{
supportsMultisampling = false;
}
if (useCoreProfile)
{
try
{
INTERNAL_glGetStringi = (GetStringi) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetStringi"),
typeof(GetStringi)
);
glGenVertexArrays = (GenVertexArrays) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenVertexArrays"),
typeof(GenVertexArrays)
);
glDeleteVertexArrays = (DeleteVertexArrays) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteVertexArrays"),
typeof(DeleteVertexArrays)
);
glBindVertexArray = (BindVertexArray) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindVertexArray"),
typeof(BindVertexArray)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException("OpenGL 3.2 support is required!");
}
}
#if DEBUG
/* ARB_debug_output, for debug contexts */
IntPtr messageCallback = SDL.SDL_GL_GetProcAddress("glDebugMessageCallbackARB");
IntPtr messageControl = SDL.SDL_GL_GetProcAddress("glDebugMessageControlARB");
if (messageCallback == IntPtr.Zero || messageControl == IntPtr.Zero)
{
System.Console.WriteLine("ARB_debug_output not supported!");
}
else
{
glDebugMessageCallbackARB = (DebugMessageCallback) Marshal.GetDelegateForFunctionPointer(
messageCallback,
typeof(DebugMessageCallback)
);
glDebugMessageControlARB = (DebugMessageControl) Marshal.GetDelegateForFunctionPointer(
messageControl,
typeof(DebugMessageControl)
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DONT_CARE,
GLenum.GL_DONT_CARE,
0,
IntPtr.Zero,
true
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DEBUG_TYPE_OTHER_ARB,
GLenum.GL_DEBUG_SEVERITY_LOW_ARB,
0,
IntPtr.Zero,
false
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DEBUG_TYPE_OTHER_ARB,
GLenum.GL_DEBUG_SEVERITY_NOTIFICATION_ARB,
0,
IntPtr.Zero,
false
);
glDebugMessageCallbackARB(DebugCall, IntPtr.Zero);
}
/* GREMEDY_string_marker, for apitrace */
IntPtr stringMarkerCallback = SDL.SDL_GL_GetProcAddress("glStringMarkerGREMEDY");
if (stringMarkerCallback == IntPtr.Zero)
{
System.Console.WriteLine("GREMEDY_string_marker not supported!");
}
else
{
glStringMarkerGREMEDY = (StringMarkerGREMEDY) Marshal.GetDelegateForFunctionPointer(
stringMarkerCallback,
typeof(StringMarkerGREMEDY)
);
}
#endif
}
/* END STRING MARKER FUNCTIONS */
#endif
private void LoadGLEntryPoints()
{
string baseErrorString;
if (useES2)
{
baseErrorString = "OpenGL ES 2.0";
}
else
{
baseErrorString = "OpenGL 2.1";
}
baseErrorString += " support is required!";
/* Basic entry points. If you don't have these, you're screwed. */
try
{
INTERNAL_glGetString = (GetString) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetString"),
typeof(GetString)
);
glGetIntegerv = (GetIntegerv) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetIntegerv"),
typeof(GetIntegerv)
);
glEnable = (Enable) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEnable"),
typeof(Enable)
);
glDisable = (Disable) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDisable"),
typeof(Disable)
);
glViewport = (G_Viewport) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glViewport"),
typeof(G_Viewport)
);
glScissor = (Scissor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glScissor"),
typeof(Scissor)
);
glBlendColor = (BlendColor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendColor"),
typeof(BlendColor)
);
glBlendFuncSeparate = (BlendFuncSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendFuncSeparate"),
typeof(BlendFuncSeparate)
);
glBlendEquationSeparate = (BlendEquationSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendEquationSeparate"),
typeof(BlendEquationSeparate)
);
glColorMask = (ColorMask) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glColorMask"),
typeof(ColorMask)
);
glDepthMask = (DepthMask) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthMask"),
typeof(DepthMask)
);
glDepthFunc = (DepthFunc) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthFunc"),
typeof(DepthFunc)
);
glStencilMask = (StencilMask) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilMask"),
typeof(StencilMask)
);
glStencilFuncSeparate = (StencilFuncSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilFuncSeparate"),
typeof(StencilFuncSeparate)
);
glStencilOpSeparate = (StencilOpSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilOpSeparate"),
typeof(StencilOpSeparate)
);
glStencilFunc = (StencilFunc) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilFunc"),
typeof(StencilFunc)
);
glStencilOp = (StencilOp) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilOp"),
typeof(StencilOp)
);
glFrontFace = (FrontFace) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glFrontFace"),
typeof(FrontFace)
);
glPolygonOffset = (PolygonOffset) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPolygonOffset"),
typeof(PolygonOffset)
);
glGenTextures = (GenTextures) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenTextures"),
typeof(GenTextures)
);
glDeleteTextures = (DeleteTextures) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteTextures"),
typeof(DeleteTextures)
);
glBindTexture = (G_BindTexture) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindTexture"),
typeof(G_BindTexture)
);
glTexImage2D = (TexImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexImage2D"),
typeof(TexImage2D)
);
glTexSubImage2D = (TexSubImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexSubImage2D"),
typeof(TexSubImage2D)
);
glCompressedTexImage2D = (CompressedTexImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCompressedTexImage2D"),
typeof(CompressedTexImage2D)
);
glCompressedTexSubImage2D = (CompressedTexSubImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCompressedTexSubImage2D"),
typeof(CompressedTexSubImage2D)
);
glTexParameteri = (TexParameteri) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexParameteri"),
typeof(TexParameteri)
);
glTexParameterf = (TexParameterf) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexParameterf"),
typeof(TexParameterf)
);
glActiveTexture = (ActiveTexture) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glActiveTexture"),
typeof(ActiveTexture)
);
glPixelStorei = (PixelStorei) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPixelStorei"),
typeof(PixelStorei)
);
glGenBuffers = (GenBuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenBuffers"),
typeof(GenBuffers)
);
glDeleteBuffers = (DeleteBuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteBuffers"),
typeof(DeleteBuffers)
);
glBindBuffer = (BindBuffer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindBuffer"),
typeof(BindBuffer)
);
glBufferData = (BufferData) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBufferData"),
typeof(BufferData)
);
glBufferSubData = (BufferSubData) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBufferSubData"),
typeof(BufferSubData)
);
glClearColor = (ClearColor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearColor"),
typeof(ClearColor)
);
glClearStencil = (ClearStencil) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearStencil"),
typeof(ClearStencil)
);
glClear = (G_Clear) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClear"),
typeof(G_Clear)
);
glDrawBuffers = (DrawBuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawBuffers"),
typeof(DrawBuffers)
);
glReadPixels = (ReadPixels) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glReadPixels"),
typeof(ReadPixels)
);
glVertexAttribPointer = (VertexAttribPointer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glVertexAttribPointer"),
typeof(VertexAttribPointer)
);
glEnableVertexAttribArray = (EnableVertexAttribArray) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEnableVertexAttribArray"),
typeof(EnableVertexAttribArray)
);
glDisableVertexAttribArray = (DisableVertexAttribArray) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDisableVertexAttribArray"),
typeof(DisableVertexAttribArray)
);
glDrawArrays = (DrawArrays) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawArrays"),
typeof(DrawArrays)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException(baseErrorString);
}
/* ARB_draw_elements_base_vertex is ideal! */
IntPtr ep = SDL.SDL_GL_GetProcAddress("glDrawRangeElementsBaseVertex");
supportsBaseVertex = ep != IntPtr.Zero;
if (supportsBaseVertex)
{
glDrawRangeElementsBaseVertex = (DrawRangeElementsBaseVertex) Marshal.GetDelegateForFunctionPointer(
ep,
typeof(DrawRangeElementsBaseVertex)
);
glDrawRangeElements = (DrawRangeElements) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawRangeElements"),
typeof(DrawRangeElements)
);
}
else
{
/* DrawRangeElements is better, but some ES2 targets don't have it. */
ep = SDL.SDL_GL_GetProcAddress("glDrawRangeElements");
if (ep != IntPtr.Zero)
{
glDrawRangeElements = (DrawRangeElements) Marshal.GetDelegateForFunctionPointer(
ep,
typeof(DrawRangeElements)
);
glDrawRangeElementsBaseVertex = DrawRangeElementsNoBase;
}
else
{
ep = SDL.SDL_GL_GetProcAddress("glDrawElements");
if (ep == IntPtr.Zero)
{
throw new NoSuitableGraphicsDeviceException(baseErrorString);
}
glDrawElements = (DrawElements) Marshal.GetDelegateForFunctionPointer(
ep,
typeof(DrawElements)
);
glDrawRangeElements = DrawRangeElementsUnchecked;
glDrawRangeElementsBaseVertex = DrawRangeElementsNoBaseUnchecked;
}
}
/* These functions are NOT supported in ES.
* NVIDIA or desktop ES might, but real scenarios where you need ES
* will certainly not have these.
* -flibit
*/
if (useES2)
{
ep = SDL.SDL_GL_GetProcAddress("glPolygonMode");
if (ep != IntPtr.Zero)
{
glPolygonMode = (PolygonMode) Marshal.GetDelegateForFunctionPointer(
ep,
typeof(PolygonMode)
);
}
else
{
glPolygonMode = PolygonModeESError;
}
ep = SDL.SDL_GL_GetProcAddress("glGetTexImage");
if (ep != IntPtr.Zero)
{
glGetTexImage = (GetTexImage) Marshal.GetDelegateForFunctionPointer(
ep,
typeof(GetTexImage)
);
}
else
{
glGetTexImage = GetTexImageESError;
}
ep = SDL.SDL_GL_GetProcAddress("glGetBufferSubData");
if (ep != IntPtr.Zero)
{
glGetBufferSubData = (GetBufferSubData) Marshal.GetDelegateForFunctionPointer(
ep,
typeof(GetBufferSubData)
);
}
else
{
glGetBufferSubData = GetBufferSubDataESError;
}
}
else
{
try
{
glPolygonMode = (PolygonMode) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPolygonMode"),
typeof(PolygonMode)
);
glGetTexImage = (GetTexImage) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetTexImage"),
typeof(GetTexImage)
);
glGetBufferSubData = (GetBufferSubData) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetBufferSubData"),
typeof(GetBufferSubData)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException(baseErrorString);
}
}
/* We need _some_ form of depth range, ES... */
IntPtr drPtr = SDL.SDL_GL_GetProcAddress("glDepthRange");
if (drPtr != IntPtr.Zero)
{
glDepthRange = (DepthRange) Marshal.GetDelegateForFunctionPointer(
drPtr,
typeof(DepthRange)
);
}
else
{
drPtr = SDL.SDL_GL_GetProcAddress("glDepthRangef");
if (drPtr == IntPtr.Zero)
{
throw new NoSuitableGraphicsDeviceException(baseErrorString);
}
glDepthRangef = (DepthRangef) Marshal.GetDelegateForFunctionPointer(
drPtr,
typeof(DepthRangef)
);
glDepthRange = DepthRangeFloat;
}
drPtr = SDL.SDL_GL_GetProcAddress("glClearDepth");
if (drPtr != IntPtr.Zero)
{
glClearDepth = (ClearDepth) Marshal.GetDelegateForFunctionPointer(
drPtr,
typeof(ClearDepth)
);
}
else
{
drPtr = SDL.SDL_GL_GetProcAddress("glClearDepthf");
if (drPtr == IntPtr.Zero)
{
throw new NoSuitableGraphicsDeviceException(baseErrorString);
}
glClearDepthf = (ClearDepthf) Marshal.GetDelegateForFunctionPointer(
drPtr,
typeof(ClearDepthf)
);
glClearDepth = ClearDepthFloat;
}
/* Silently fail if using GLES. You didn't need these, right...? >_> */
try
{
glTexImage3D = (TexImage3D) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glTexImage3D", "OES"),
typeof(TexImage3D)
);
glTexSubImage3D = (TexSubImage3D) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glTexSubImage3D", "OES"),
typeof(TexSubImage3D)
);
glGenQueries = (GenQueries) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenQueries"),
typeof(GenQueries)
);
glDeleteQueries = (DeleteQueries) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteQueries"),
typeof(DeleteQueries)
);
glBeginQuery = (BeginQuery) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBeginQuery"),
typeof(BeginQuery)
);
glEndQuery = (EndQuery) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEndQuery"),
typeof(EndQuery)
);
glGetQueryObjectuiv = (GetQueryObjectuiv) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetQueryObjectuiv"),
typeof(GetQueryObjectuiv)
);
}
catch
{
if (useES2)
{
FNAPlatform.Log("Some non-ES functions failed to load. Beware...");
}
else
{
throw new NoSuitableGraphicsDeviceException(baseErrorString);
}
}
/* ARB_framebuffer_object. We're flexible, but not _that_ flexible. */
try
{
glGenFramebuffers = (GenFramebuffers) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glGenFramebuffers"),
typeof(GenFramebuffers)
);
glDeleteFramebuffers = (DeleteFramebuffers) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glDeleteFramebuffers"),
typeof(DeleteFramebuffers)
);
glBindFramebuffer = (G_BindFramebuffer) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glBindFramebuffer"),
typeof(G_BindFramebuffer)
);
glFramebufferTexture2D = (FramebufferTexture2D) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glFramebufferTexture2D"),
typeof(FramebufferTexture2D)
);
glFramebufferRenderbuffer = (FramebufferRenderbuffer) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glFramebufferRenderbuffer"),
typeof(FramebufferRenderbuffer)
);
glGenerateMipmap = (GenerateMipmap) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glGenerateMipmap"),
typeof(GenerateMipmap)
);
glGenRenderbuffers = (GenRenderbuffers) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glGenRenderbuffers"),
typeof(GenRenderbuffers)
);
glDeleteRenderbuffers = (DeleteRenderbuffers) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glDeleteRenderbuffers"),
typeof(DeleteRenderbuffers)
);
glBindRenderbuffer = (BindRenderbuffer) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glBindRenderbuffer"),
typeof(BindRenderbuffer)
);
glRenderbufferStorage = (RenderbufferStorage) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glRenderbufferStorage"),
typeof(RenderbufferStorage)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException("OpenGL framebuffer support is required!");
}
/* EXT_framebuffer_blit (or ARB_framebuffer_object) is needed by the faux-backbuffer. */
supportsFauxBackbuffer = true;
try
{
glBlitFramebuffer = (BlitFramebuffer) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glBlitFramebuffer"),
typeof(BlitFramebuffer)
);
}
catch
{
supportsFauxBackbuffer = false;
}
/* ARB_instanced_arrays/ARB_draw_instanced are almost optional. */
SupportsHardwareInstancing = true;
try
{
glVertexAttribDivisor = (VertexAttribDivisor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glVertexAttribDivisor"),
typeof(VertexAttribDivisor)
);
/* The likelihood of someone having BaseVertex but not Instanced is 0...? */
if (supportsBaseVertex)
{
glDrawElementsInstancedBaseVertex = (DrawElementsInstancedBaseVertex) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawElementsInstancedBaseVertex"),
typeof(DrawElementsInstancedBaseVertex)
);
}
else
{
glDrawElementsInstanced = (DrawElementsInstanced) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawElementsInstanced"),
typeof(DrawElementsInstanced)
);
glDrawElementsInstancedBaseVertex = DrawElementsInstancedNoBase;
}
}
catch
{
SupportsHardwareInstancing = false;
}
/* EXT_draw_buffers2 is probably used by nobody. */
try
{
glColorMaskIndexedEXT = (ColorMaskIndexedEXT) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glColorMaskIndexedEXT"),
typeof(ColorMaskIndexedEXT)
);
}
catch
{
// FIXME: SupportsIndependentWriteMasks? -flibit
}
/* EXT_framebuffer_multisample/ARB_texture_multisample is glitter -flibit */
supportsMultisampling = true;
try
{
glRenderbufferStorageMultisample = (RenderbufferStorageMultisample) Marshal.GetDelegateForFunctionPointer(
TryGetEPEXT("glRenderbufferStorageMultisample"),
typeof(RenderbufferStorageMultisample)
);
glSampleMaski = (SampleMaski) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glSampleMaski"),
typeof(SampleMaski)
);
}
catch
{
supportsMultisampling = false;
}
if (useCoreProfile)
{
try
{
INTERNAL_glGetStringi = (GetStringi) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetStringi"),
typeof(GetStringi)
);
glGenVertexArrays = (GenVertexArrays) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenVertexArrays"),
typeof(GenVertexArrays)
);
glDeleteVertexArrays = (DeleteVertexArrays) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteVertexArrays"),
typeof(DeleteVertexArrays)
);
glBindVertexArray = (BindVertexArray) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindVertexArray"),
typeof(BindVertexArray)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException("OpenGL 3.2 support is required!");
}
}
#if DEBUG
/* ARB_debug_output, for debug contexts */
IntPtr messageCallback = SDL.SDL_GL_GetProcAddress("glDebugMessageCallbackARB");
IntPtr messageControl = SDL.SDL_GL_GetProcAddress("glDebugMessageControlARB");
if (messageCallback == IntPtr.Zero || messageControl == IntPtr.Zero)
{
FNAPlatform.Log("ARB_debug_output not supported!");
}
else
{
glDebugMessageCallbackARB = (DebugMessageCallback) Marshal.GetDelegateForFunctionPointer(
messageCallback,
typeof(DebugMessageCallback)
);
glDebugMessageControlARB = (DebugMessageControl) Marshal.GetDelegateForFunctionPointer(
messageControl,
typeof(DebugMessageControl)
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DONT_CARE,
GLenum.GL_DONT_CARE,
0,
IntPtr.Zero,
true
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DEBUG_TYPE_OTHER_ARB,
GLenum.GL_DEBUG_SEVERITY_LOW_ARB,
0,
IntPtr.Zero,
false
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DEBUG_TYPE_OTHER_ARB,
GLenum.GL_DEBUG_SEVERITY_NOTIFICATION_ARB,
0,
IntPtr.Zero,
false
);
glDebugMessageCallbackARB(DebugCall, IntPtr.Zero);
}
/* GREMEDY_string_marker, for apitrace */
IntPtr stringMarkerCallback = SDL.SDL_GL_GetProcAddress("glStringMarkerGREMEDY");
if (stringMarkerCallback == IntPtr.Zero)
{
FNAPlatform.Log("GREMEDY_string_marker not supported!");
}
else
{
glStringMarkerGREMEDY = (StringMarkerGREMEDY) Marshal.GetDelegateForFunctionPointer(
stringMarkerCallback,
typeof(StringMarkerGREMEDY)
);
}
#endif
}
public void DepthFunc(DepthFunc depthFunc)
{
GlBindings.DepthFunc(depthFunc);
}
/* END STRING MARKER FUNCTIONS */
#endif
private void LoadGLEntryPoints()
{
/* Basic entry points. If you don't have these, you're screwed. */
try
{
INTERNAL_glGetString = (GetString)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetString"),
typeof(GetString)
);
glGetIntegerv = (GetIntegerv)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetIntegerv"),
typeof(GetIntegerv)
);
glEnable = (Enable)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEnable"),
typeof(Enable)
);
glDisable = (Disable)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDisable"),
typeof(Disable)
);
glViewport = (G_Viewport)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glViewport"),
typeof(G_Viewport)
);
glDepthRange = (DepthRange)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthRange"),
typeof(DepthRange)
);
glScissor = (Scissor)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glScissor"),
typeof(Scissor)
);
glBlendColor = (BlendColor)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendColor"),
typeof(BlendColor)
);
glBlendFuncSeparate = (BlendFuncSeparate)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendFuncSeparate"),
typeof(BlendFuncSeparate)
);
glBlendEquationSeparate = (BlendEquationSeparate)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendEquationSeparate"),
typeof(BlendEquationSeparate)
);
glColorMask = (ColorMask)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glColorMask"),
typeof(ColorMask)
);
glDepthMask = (DepthMask)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthMask"),
typeof(DepthMask)
);
glDepthFunc = (DepthFunc)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthFunc"),
typeof(DepthFunc)
);
glStencilMask = (StencilMask)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilMask"),
typeof(StencilMask)
);
glStencilFuncSeparate = (StencilFuncSeparate)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilFuncSeparate"),
typeof(StencilFuncSeparate)
);
glStencilOpSeparate = (StencilOpSeparate)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilOpSeparate"),
typeof(StencilOpSeparate)
);
glStencilFunc = (StencilFunc)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilFunc"),
typeof(StencilFunc)
);
glStencilOp = (StencilOp)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilOp"),
typeof(StencilOp)
);
glCullFace = (CullFace)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCullFace"),
typeof(CullFace)
);
glFrontFace = (FrontFace)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glFrontFace"),
typeof(FrontFace)
);
glPolygonMode = (PolygonMode)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPolygonMode"),
typeof(PolygonMode)
);
glPolygonOffset = (PolygonOffset)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPolygonOffset"),
typeof(PolygonOffset)
);
glGenTextures = (GenTextures)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenTextures"),
typeof(GenTextures)
);
glDeleteTextures = (DeleteTextures)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteTextures"),
typeof(DeleteTextures)
);
glBindTexture = (G_BindTexture)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindTexture"),
typeof(G_BindTexture)
);
glTexImage2D = (TexImage2D)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexImage2D"),
typeof(TexImage2D)
);
glTexSubImage2D = (TexSubImage2D)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexSubImage2D"),
typeof(TexSubImage2D)
);
glCompressedTexImage2D = (CompressedTexImage2D)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCompressedTexImage2D"),
typeof(CompressedTexImage2D)
);
glCompressedTexSubImage2D = (CompressedTexSubImage2D)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCompressedTexSubImage2D"),
typeof(CompressedTexSubImage2D)
);
glTexImage3D = (TexImage3D)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexImage3D"),
typeof(TexImage3D)
);
glTexSubImage3D = (TexSubImage3D)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexSubImage3D"),
typeof(TexSubImage3D)
);
glGetTexImage = (GetTexImage)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetTexImage"),
typeof(GetTexImage)
);
glTexParameteri = (TexParameteri)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexParameteri"),
typeof(TexParameteri)
);
glTexParameterf = (TexParameterf)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexParameterf"),
typeof(TexParameterf)
);
glActiveTexture = (ActiveTexture)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glActiveTexture"),
typeof(ActiveTexture)
);
glPixelStorei = (PixelStorei)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPixelStorei"),
typeof(PixelStorei)
);
glGenBuffers = (GenBuffers)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenBuffers"),
typeof(GenBuffers)
);
glDeleteBuffers = (DeleteBuffers)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteBuffers"),
typeof(DeleteBuffers)
);
glBindBuffer = (BindBuffer)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindBuffer"),
typeof(BindBuffer)
);
glBufferData = (BufferData)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBufferData"),
typeof(BufferData)
);
glBufferSubData = (BufferSubData)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBufferSubData"),
typeof(BufferSubData)
);
glMapBuffer = (MapBuffer)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glMapBuffer"),
typeof(MapBuffer)
);
glUnmapBuffer = (UnmapBuffer)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glUnmapBuffer"),
typeof(UnmapBuffer)
);
glClearColor = (ClearColor)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearColor"),
typeof(ClearColor)
);
glClearDepth = (ClearDepth)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearDepth"),
typeof(ClearDepth)
);
glClearStencil = (ClearStencil)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearStencil"),
typeof(ClearStencil)
);
glClear = (G_Clear)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClear"),
typeof(G_Clear)
);
glDrawBuffers = (DrawBuffers)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawBuffers"),
typeof(DrawBuffers)
);
glReadPixels = (ReadPixels)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glReadPixels"),
typeof(ReadPixels)
);
glDrawRangeElements = (DrawRangeElements)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawRangeElements"),
typeof(DrawRangeElements)
);
glDrawArrays = (DrawArrays)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawArrays"),
typeof(DrawArrays)
);
glGenQueries = (GenQueries)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenQueries"),
typeof(GenQueries)
);
glDeleteQueries = (DeleteQueries)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteQueries"),
typeof(DeleteQueries)
);
glBeginQuery = (BeginQuery)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBeginQuery"),
typeof(BeginQuery)
);
glEndQuery = (EndQuery)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEndQuery"),
typeof(EndQuery)
);
glGetQueryObjectiv = (GetQueryObjectiv)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetQueryObjectiv"),
typeof(GetQueryObjectiv)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException("OpenGL 2.1 support is required!");
}
/* ARB_framebuffer_object. We're flexible, but not _that_ flexible. */
try
{
glGenFramebuffers = (GenFramebuffers)Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glGenFramebuffers"),
typeof(GenFramebuffers)
);
glDeleteFramebuffers = (DeleteFramebuffers)Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glDeleteFramebuffers"),
typeof(DeleteFramebuffers)
);
glBindFramebuffer = (G_BindFramebuffer)Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glBindFramebuffer"),
typeof(G_BindFramebuffer)
);
glFramebufferTexture2D = (FramebufferTexture2D)Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glFramebufferTexture2D"),
typeof(FramebufferTexture2D)
);
glFramebufferRenderbuffer = (FramebufferRenderbuffer)Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glFramebufferRenderbuffer"),
typeof(FramebufferRenderbuffer)
);
glGenerateMipmap = (GenerateMipmap)Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glGenerateMipmap"),
typeof(GenerateMipmap)
);
#if !DISABLE_FAUXBACKBUFFER
glBlitFramebuffer = (BlitFramebuffer)Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glBlitFramebuffer"),
typeof(BlitFramebuffer)
);
#endif
glGenRenderbuffers = (GenRenderbuffers)Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glGenRenderbuffers"),
typeof(GenRenderbuffers)
);
glDeleteRenderbuffers = (DeleteRenderbuffers)Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glDeleteRenderbuffers"),
typeof(DeleteRenderbuffers)
);
glBindRenderbuffer = (BindRenderbuffer)Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glBindRenderbuffer"),
typeof(BindRenderbuffer)
);
glRenderbufferStorage = (RenderbufferStorage)Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glRenderbufferStorage"),
typeof(RenderbufferStorage)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException("OpenGL framebuffer support is required!");
}
/* ARB_instanced_arrays/ARB_draw_instanced are almost optional.
* While we do not directly call glVertexAttribDivisor ourselves,
* we still need to check for ARB_instanced_arrays support.
* -flibit
*/
SupportsHardwareInstancing = SDL.SDL_GL_GetProcAddress("glVertexAttribDivisor") != IntPtr.Zero;
try
{
glDrawElementsInstanced = (DrawElementsInstanced)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawElementsInstanced"),
typeof(DrawElementsInstanced)
);
}
catch
{
SupportsHardwareInstancing = false;
}
/* EXT_draw_buffers2 is probably used by nobody. */
try
{
glColorMaskIndexedEXT = (ColorMaskIndexedEXT)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glColorMaskIndexedEXT"),
typeof(ColorMaskIndexedEXT)
);
}
catch
{
// FIXME: SupportsIndependentWriteMasks? -flibit
}
/* EXT_framebuffer_multisample/ARB_texture_multisample is glitter -flibit */
supportsMultisampling = true;
try
{
glRenderbufferStorageMultisample = (RenderbufferStorageMultisample)Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glRenderbufferStorageMultisample"),
typeof(RenderbufferStorageMultisample)
);
glSampleMaski = (SampleMaski)Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glSampleMaski"),
typeof(SampleMaski)
);
}
catch
{
supportsMultisampling = false;
}
#if DEBUG
/* ARB_debug_output, for debug contexts */
IntPtr messageCallback = SDL.SDL_GL_GetProcAddress("glDebugMessageCallbackARB");
IntPtr messageControl = SDL.SDL_GL_GetProcAddress("glDebugMessageControlARB");
if (messageCallback == IntPtr.Zero || messageControl == IntPtr.Zero)
{
System.Console.WriteLine("ARB_debug_output not supported!");
}
else
{
glDebugMessageCallbackARB = (DebugMessageCallback)Marshal.GetDelegateForFunctionPointer(
messageCallback,
typeof(DebugMessageCallback)
);
glDebugMessageControlARB = (DebugMessageControl)Marshal.GetDelegateForFunctionPointer(
messageControl,
typeof(DebugMessageControl)
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DONT_CARE,
GLenum.GL_DONT_CARE,
0,
IntPtr.Zero,
true
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DEBUG_TYPE_OTHER_ARB,
GLenum.GL_DEBUG_SEVERITY_LOW_ARB,
0,
IntPtr.Zero,
false
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DEBUG_TYPE_OTHER_ARB,
GLenum.GL_DEBUG_SEVERITY_NOTIFICATION_ARB,
0,
IntPtr.Zero,
false
);
glDebugMessageCallbackARB(DebugCall, IntPtr.Zero);
}
/* GREMEDY_string_marker, for apitrace */
IntPtr stringMarkerCallback = SDL.SDL_GL_GetProcAddress("glStringMarkerGREMEDY");
if (stringMarkerCallback == IntPtr.Zero)
{
System.Console.WriteLine("GREMEDY_string_marker not supported!");
}
else
{
glStringMarkerGREMEDY = (StringMarkerGREMEDY)Marshal.GetDelegateForFunctionPointer(
stringMarkerCallback,
typeof(StringMarkerGREMEDY)
);
}
#endif
}
public static Scene MakeMultiTouchScene()
{
Trail <Vector2>[] touch = new Trail <Vector2> [Input2.Touch.MaxTouch];
Grid[] trail_polys = new Grid[Input2.Touch.MaxTouch];
for (int i = 0; i < touch.Length; ++i)
{
touch[i] = new Trail <Vector2>(16);
}
Vector2i grid_size = new Vector2i(20, 24);
for (int i = 0; i < trail_polys.Length; ++i)
{
trail_polys[i] = new Grid(grid_size);
}
Vector2[] curve_points = new Vector2[grid_size.Y];
Vector2[] circle_points = new Vector2[grid_size.X];
for (int i = 0; i < circle_points.Length; ++i)
{
circle_points[i] = Vector2.Rotation(Math.TwicePi * (float)i / (float)(circle_points.Length - 1));
}
List <Vector2> control_points = new List <Vector2>();
Vector4[] colors =
{
// Colors.Black,
Colors.Red,
Colors.Green,
Colors.Yellow,
Colors.Blue,
Colors.Magenta,
Colors.Cyan,
Colors.White,
Colors.Lime,
Colors.LightBlue,
Colors.Pink,
Colors.Orange,
Colors.LightCyan,
Colors.Purple,
};
var scene = new Scene();
{
var info = new Label();
info.Camera = UICamera;
info.Position = UICamera.CalcBounds().Point00;
info.FontMap = UIFontMap;
info.HeightScale = UICamera.GetPixelSize();
info.Text = "try touch the screen at multiple points at the same time";
scene.AddChild(info);
}
scene.OnExitEvents += () => {
foreach (Grid grid in trail_polys)
{
grid.Dispose();
}
trail_polys = null;
};
scene.AdHocDraw += () =>
{
BlendFunc blend_func = Director.Instance.GL.Context.GetBlendFunc();
DepthFunc depth_func = Director.Instance.GL.Context.GetDepthFunc();
for (int k = 0; k < touch.Length; ++k)
{
bool down = Input2.Touch.GetData(0)[k].Down;
bool press = Input2.Touch.GetData(0)[k].Press;
Vector2 p = Director.Instance.CurrentScene.GetTouchPos(k);
if (!down)
{
continue;
}
// press means a new touch data has just been "created"
// -> fill the whole trail to the new position
if (press)
{
touch[k].Fill(p);
}
touch[k].Add(p);
control_points.Clear();
control_points.Add(touch[k].At(0));
for (int i = 0; i < touch[k].Count; ++i)
{
control_points.Add(touch[k].At(i));
}
{
Vector4 start_color = colors[k];
Vector4 end_color = Math.SetAlpha(start_color, 0.0f);
float start_radius = 2.0f;
float end_radius = 1.8f;
Grid grid = trail_polys[k];
for (int i = 0; i < curve_points.Length; ++i)
{
curve_points[i] = Curves.CatmullRom((float)i / (float)(curve_points.Length - 1), control_points, false);
}
for (int j = 0; j < grid.Size.Y; ++j)
{
float y = (float)j / (float)(grid.Size.Y - 1);
for (int i = 0; i < grid.Size.X; ++i)
{
grid.TmpVertices[i + j * grid.Size.X] = new DrawHelpers.Vertex((curve_points[j] + circle_points[i] * Math.Lerp(start_radius, end_radius, y)).Xy01
, Math.Lerp(start_color, end_color, y));
}
}
grid.VertexBuffer.SetVertices(grid.TmpVertices, 0, 0, grid.NumVertices);
Director.Instance.GL.SetBlendMode(BlendMode.Normal);
Director.Instance.DrawHelpers.ShaderPush();
grid.Draw();
{
Director.Instance.DrawHelpers.ImmBegin(DrawMode.TriangleFan, (uint)grid.Size.X);
for (int i = 0; i < grid.Size.X; ++i)
{
Director.Instance.DrawHelpers.ImmVertex(new DrawHelpers.Vertex((curve_points[0] + circle_points[i] * start_radius).Xy01
, start_color));
}
Director.Instance.DrawHelpers.ImmEnd();
}
Director.Instance.DrawHelpers.ShaderPop();
}
}
// restore states
Director.Instance.GL.Context.Disable(EnableMode.DepthTest);
Director.Instance.GL.Context.SetDepthFunc(depth_func);
Director.Instance.GL.Context.SetBlendFunc(blend_func);
};
return(scene);
}
public static void SetDepthFunc(DepthFunc func)
{
glDepthFunc((int)func);
}
public override void Draw()
{
DepthFunc depth_func = Director.Instance.GL.Context.GetDepthFunc();
Director.Instance.GL.Context.Disable(EnableMode.DepthTest);
if (!m_select_tile_screen)
{
// DrawExampleSourceImage();
DrawWorld();
if (!is_erase_mode() && !navigating)
{
DrawBrush();
}
DrawIsometricTilesRulers();
{
m_gui_camera.SetViewFromViewport();
m_gui_camera.Push();
float h = m_gui_camera.GetPixelSize() * EmbeddedDebugFontData.CharSizei.Y;
Vector2 line_incr = new Vector2(0, (EmbeddedDebugFontData.CharSizei.Y + 1) * m_gui_camera.GetPixelSize());
Vector2 pos = line_incr * 9;
Vector3i coord = m_world_edit_cell;
string text = "";
text += "commands:\n";
text += "- triangle/W + drag : zoom\n";
text += "- square/A + drag : translate\n";
text += "- hold cross/S : bring tile image select screen\n";
text += "- hold circle/D + touch/drag : put tile at selected world cell\n";
text += "- up : increment edit z\n";
text += "- down : decrement edit z\n";
text += "- right : toggle secondary object\n";
text += "SECOND OBJECT=" + m_second_object + "\n";
if (IsValidIndex(coord))
{
text += "SELECTED TILE=" + coord + "\n";
}
Director.Instance.GL.SetBlendMode(BlendMode.Normal);
Director.Instance.SpriteRenderer.DrawTextDebug(text, pos, h);
m_gui_camera.Pop();
}
}
else
{
DrawTilesForSelection();
{
m_gui_camera.SetViewFromViewport();
m_gui_camera.Push();
float h = m_gui_camera.GetPixelSize() * EmbeddedDebugFontData.CharSizei.Y;
Vector2 line_incr = new Vector2(0, (EmbeddedDebugFontData.CharSizei.Y + 1) * m_gui_camera.GetPixelSize());
Vector2 pos = line_incr * 4;
Director.Instance.GL.SetBlendMode(BlendMode.Normal);
string text = "";
text += "commands:\n";
text += "- touch : scroll the tile map and select a tile\n";
text += "- touch empty space : set erase mode\n";
text += "- release cross/S : back to world edit screen\n";
text += "SELECTED TILE=" + m_selected_tile + "\n";
Director.Instance.SpriteRenderer.DrawTextDebug(text, pos, h);
m_gui_camera.Pop();
}
}
Director.Instance.GL.Context.SetDepthFunc(depth_func);
}
public void LoadGLEntryPoints()
{
/* Basic entry points. If you don't have these, you're screwed. */
try
{
INTERNAL_glGetString = (GetString) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetString"),
typeof(GetString)
);
glGetIntegerv = (GetIntegerv) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetIntegerv"),
typeof(GetIntegerv)
);
glEnable = (Enable) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEnable"),
typeof(Enable)
);
glDisable = (Disable) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDisable"),
typeof(Disable)
);
glViewport = (G_Viewport) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glViewport"),
typeof(G_Viewport)
);
glDepthRange = (DepthRange) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthRange"),
typeof(DepthRange)
);
glScissor = (Scissor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glScissor"),
typeof(Scissor)
);
glBlendColor = (BlendColor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendColor"),
typeof(BlendColor)
);
glBlendFuncSeparate = (BlendFuncSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendFuncSeparate"),
typeof(BlendFuncSeparate)
);
glBlendEquationSeparate = (BlendEquationSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBlendEquationSeparate"),
typeof(BlendEquationSeparate)
);
glColorMask = (ColorMask) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glColorMask"),
typeof(ColorMask)
);
glDepthMask = (DepthMask) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthMask"),
typeof(DepthMask)
);
glDepthFunc = (DepthFunc) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDepthFunc"),
typeof(DepthFunc)
);
glStencilMask = (StencilMask) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilMask"),
typeof(StencilMask)
);
glStencilFuncSeparate = (StencilFuncSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilFuncSeparate"),
typeof(StencilFuncSeparate)
);
glStencilOpSeparate = (StencilOpSeparate) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilOpSeparate"),
typeof(StencilOpSeparate)
);
glStencilFunc = (StencilFunc) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilFunc"),
typeof(StencilFunc)
);
glStencilOp = (StencilOp) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glStencilOp"),
typeof(StencilOp)
);
glCullFace = (CullFace) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCullFace"),
typeof(CullFace)
);
glFrontFace = (FrontFace) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glFrontFace"),
typeof(FrontFace)
);
glPolygonMode = (PolygonMode) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPolygonMode"),
typeof(PolygonMode)
);
glPolygonOffset = (PolygonOffset) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPolygonOffset"),
typeof(PolygonOffset)
);
glGenTextures = (GenTextures) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenTextures"),
typeof(GenTextures)
);
glDeleteTextures = (DeleteTextures) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteTextures"),
typeof(DeleteTextures)
);
glBindTexture = (G_BindTexture) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindTexture"),
typeof(G_BindTexture)
);
glTexImage2D = (TexImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexImage2D"),
typeof(TexImage2D)
);
glTexSubImage2D = (TexSubImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexSubImage2D"),
typeof(TexSubImage2D)
);
glCompressedTexImage2D = (CompressedTexImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCompressedTexImage2D"),
typeof(CompressedTexImage2D)
);
glCompressedTexSubImage2D = (CompressedTexSubImage2D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCompressedTexSubImage2D"),
typeof(CompressedTexSubImage2D)
);
glTexImage3D = (TexImage3D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexImage3D"),
typeof(TexImage3D)
);
glTexSubImage3D = (TexSubImage3D) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexSubImage3D"),
typeof(TexSubImage3D)
);
glGetTexImage = (GetTexImage) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetTexImage"),
typeof(GetTexImage)
);
glTexParameteri = (TexParameteri) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexParameteri"),
typeof(TexParameteri)
);
glTexParameterf = (TexParameterf) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glTexParameterf"),
typeof(TexParameterf)
);
glActiveTexture = (ActiveTexture) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glActiveTexture"),
typeof(ActiveTexture)
);
glGetTexLevelParameteriv = (GetTexLevelParameteriv) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetTexLevelParameteriv"),
typeof(GetTexLevelParameteriv)
);
glPixelStorei = (PixelStorei) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glPixelStorei"),
typeof(PixelStorei)
);
glGenBuffers = (GenBuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenBuffers"),
typeof(GenBuffers)
);
glDeleteBuffers = (DeleteBuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteBuffers"),
typeof(DeleteBuffers)
);
glBindBuffer = (BindBuffer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindBuffer"),
typeof(BindBuffer)
);
glBufferData = (BufferData) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBufferData"),
typeof(BufferData)
);
glBufferSubData = (BufferSubData) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBufferSubData"),
typeof(BufferSubData)
);
glMapBuffer = (MapBuffer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glMapBuffer"),
typeof(MapBuffer)
);
glUnmapBuffer = (UnmapBuffer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glUnmapBuffer"),
typeof(UnmapBuffer)
);
glEnableVertexAttribArray = (EnableVertexAttribArray) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEnableVertexAttribArray"),
typeof(EnableVertexAttribArray)
);
glDisableVertexAttribArray = (DisableVertexAttribArray) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDisableVertexAttribArray"),
typeof(DisableVertexAttribArray)
);
glVertexAttribPointer = (G_VertexAttribPointer) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glVertexAttribPointer"),
typeof(G_VertexAttribPointer)
);
glClearColor = (ClearColor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearColor"),
typeof(ClearColor)
);
glClearDepth = (ClearDepth) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearDepth"),
typeof(ClearDepth)
);
glClearStencil = (ClearStencil) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClearStencil"),
typeof(ClearStencil)
);
glClear = (G_Clear) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glClear"),
typeof(G_Clear)
);
glDrawBuffers = (DrawBuffers) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawBuffers"),
typeof(DrawBuffers)
);
glReadPixels = (ReadPixels) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glReadPixels"),
typeof(ReadPixels)
);
glDrawRangeElements = (DrawRangeElements) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawRangeElements"),
typeof(DrawRangeElements)
);
glDrawArrays = (DrawArrays) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawArrays"),
typeof(DrawArrays)
);
glGenQueries = (GenQueries) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGenQueries"),
typeof(GenQueries)
);
glDeleteQueries = (DeleteQueries) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteQueries"),
typeof(DeleteQueries)
);
glBeginQuery = (BeginQuery) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBeginQuery"),
typeof(BeginQuery)
);
glEndQuery = (EndQuery) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glEndQuery"),
typeof(EndQuery)
);
glGetQueryObjectiv = (GetQueryObjectiv) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetQueryObjectiv"),
typeof(GetQueryObjectiv)
);
glCreateShader = (CreateShader) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCreateShader"),
typeof(CreateShader)
);
glDeleteShader = (DeleteShader) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteShader"),
typeof(DeleteShader)
);
glShaderSource = (ShaderSource) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glShaderSource"),
typeof(ShaderSource)
);
glCompileShader = (CompileShader) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCompileShader"),
typeof(CompileShader)
);
glCreateProgram = (CreateProgram) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glCreateProgram"),
typeof(CreateProgram)
);
glDeleteProgram = (DeleteProgram) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDeleteProgram"),
typeof(DeleteProgram)
);
glAttachShader = (AttachShader) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glAttachShader"),
typeof(AttachShader)
);
glDetachShader = (DetachShader) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDetachShader"),
typeof(DetachShader)
);
glLinkProgram = (LinkProgram) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glLinkProgram"),
typeof(LinkProgram)
);
glUseProgram = (UseProgram) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glUseProgram"),
typeof(UseProgram)
);
glUniform1i = (Uniform1i) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glUniform1i"),
typeof(Uniform1i)
);
glUniform4fv = (Uniform4fv) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glUniform4fv"),
typeof(Uniform4fv)
);
glGetShaderiv = (GetShaderiv) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetShaderiv"),
typeof(GetShaderiv)
);
glGetProgramiv = (GetProgramiv) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetProgramiv"),
typeof(GetProgramiv)
);
glGetUniformLocation = (GetUniformLocation) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetUniformLocation"),
typeof(GetUniformLocation)
);
glGetAttribLocation = (GetAttribLocation) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetAttribLocation"),
typeof(GetAttribLocation)
);
glBindAttribLocation = (BindAttribLocation) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glBindAttribLocation"),
typeof(BindAttribLocation)
);
glIsShader = (IsShader) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glIsShader"),
typeof(IsShader)
);
glIsProgram = (IsProgram) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glIsProgram"),
typeof(IsProgram)
);
glGetShaderInfoLog = (GetShaderInfoLog) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetShaderInfoLog"),
typeof(GetShaderInfoLog)
);
glGetProgramInfoLog = (GetProgramInfoLog) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glGetProgramInfoLog"),
typeof(GetProgramInfoLog)
);
glFlush = (Flush) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glFlush"),
typeof(Flush)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException("OpenGL 2.1 support is required!");
}
/* ARB_framebuffer_object. We're flexible, but not _that_ flexible. */
try
{
glGenFramebuffers = (GenFramebuffers) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glGenFramebuffers"),
typeof(GenFramebuffers)
);
glDeleteFramebuffers = (DeleteFramebuffers) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glDeleteFramebuffers"),
typeof(DeleteFramebuffers)
);
glBindFramebuffer = (G_BindFramebuffer) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glBindFramebuffer"),
typeof(G_BindFramebuffer)
);
glFramebufferTexture2D = (FramebufferTexture2D) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glFramebufferTexture2D"),
typeof(FramebufferTexture2D)
);
glFramebufferRenderbuffer = (FramebufferRenderbuffer) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glFramebufferRenderbuffer"),
typeof(FramebufferRenderbuffer)
);
#if !DISABLE_FAUXBACKBUFFER
glBlitFramebuffer = (BlitFramebuffer) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glBlitFramebuffer"),
typeof(BlitFramebuffer)
);
#endif
glGenRenderbuffers = (GenRenderbuffers) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glGenRenderbuffers"),
typeof(GenRenderbuffers)
);
glDeleteRenderbuffers = (DeleteRenderbuffers) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glDeleteRenderbuffers"),
typeof(DeleteRenderbuffers)
);
glBindRenderbuffer = (BindRenderbuffer) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glBindRenderbuffer"),
typeof(BindRenderbuffer)
);
glRenderbufferStorage = (RenderbufferStorage) Marshal.GetDelegateForFunctionPointer(
TryGetFramebufferEP("glRenderbufferStorage"),
typeof(RenderbufferStorage)
);
}
catch
{
throw new NoSuitableGraphicsDeviceException("OpenGL framebuffer support is required!");
}
/* ARB_instanced_arrays/ARB_draw_instanced are almost optional. */
SupportsHardwareInstancing = true;
try
{
glVertexAttribDivisor = (VertexAttribDivisor) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glVertexAttribDivisor"),
typeof(VertexAttribDivisor)
);
glDrawElementsInstanced = (DrawElementsInstanced) Marshal.GetDelegateForFunctionPointer(
SDL.SDL_GL_GetProcAddress("glDrawElementsInstanced"),
typeof(DrawElementsInstanced)
);
}
catch
{
SupportsHardwareInstancing = false;
}
#if DEBUG
/* ARB_debug_output, for debug contexts */
IntPtr messageCallback = SDL.SDL_GL_GetProcAddress("glDebugMessageCallbackARB");
IntPtr messageControl = SDL.SDL_GL_GetProcAddress("glDebugMessageControlARB");
if (messageCallback == IntPtr.Zero || messageControl == IntPtr.Zero)
{
System.Console.WriteLine("ARB_debug_output not supported!");
}
else
{
glDebugMessageCallbackARB = (DebugMessageCallback) Marshal.GetDelegateForFunctionPointer(
messageCallback,
typeof(DebugMessageCallback)
);
glDebugMessageControlARB = (DebugMessageControl) Marshal.GetDelegateForFunctionPointer(
messageControl,
typeof(DebugMessageControl)
);
glDebugMessageCallbackARB(DebugCall, IntPtr.Zero);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DONT_CARE,
GLenum.GL_DONT_CARE,
0,
IntPtr.Zero,
true
);
glDebugMessageControlARB(
GLenum.GL_DONT_CARE,
GLenum.GL_DEBUG_TYPE_OTHER_ARB,
GLenum.GL_DEBUG_SEVERITY_LOW_ARB,
0,
IntPtr.Zero,
false
);
}
/* GREMEDY_string_marker, for apitrace */
IntPtr stringMarkerCallback = SDL.SDL_GL_GetProcAddress("glStringMarkerGREMEDY");
if (stringMarkerCallback == IntPtr.Zero)
{
System.Console.WriteLine("GREMEDY_string_marker not supported!");
}
else
{
glStringMarkerGREMEDY = (StringMarkerGREMEDY) Marshal.GetDelegateForFunctionPointer(
stringMarkerCallback,
typeof(StringMarkerGREMEDY)
);
}
#endif
}
/// <summary>
/// Initializes a new instance of the <see cref="DepthState"/> class.
/// </summary>
/// <param name="enableDepthTest">if set to <c>true</c> [enable depth test].</param>
/// <param name="enableDepthWrite">if set to <c>true</c> [enable depth write].</param>
/// <param name="depthFunc">The depth function.</param>
public DepthState(bool enableDepthTest = true, bool enableDepthWrite = true, DepthFunc depthFunc = DepthFunc.Less)
{
EnableDepthTest = enableDepthTest;
EnableDepthWrite = enableDepthWrite;
DepthFunc = depthFunc;
}
internal void TextureParameter(uint texture, TextureParameters parameter, DepthFunc value)
{
_glTextureParameteri(texture, parameter, (int)value);
CheckForError();
}
internal void TexParameter(TextureTarget target, TextureParameters parameter, DepthFunc value)
{
NativeMethods.TexParameter(target, parameter, (int)value);
CheckForError();
}