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authormarha <marha@users.sourceforge.net>2009-10-08 13:15:52 +0000
committermarha <marha@users.sourceforge.net>2009-10-08 13:15:52 +0000
commita0c4815433ccd57322f4f7703ca35e9ccfa59250 (patch)
treef5213802ec12adb86ec3136001c1c29fe5343700 /mesalib/src/mesa/drivers/windows/gldirect/dglcontext.h
parentc73dc01b6de45612b24dc2dd34fba24d81ebf46c (diff)
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Added MesaLib-7.6
Diffstat (limited to 'mesalib/src/mesa/drivers/windows/gldirect/dglcontext.h')
-rw-r--r--mesalib/src/mesa/drivers/windows/gldirect/dglcontext.h281
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diff --git a/mesalib/src/mesa/drivers/windows/gldirect/dglcontext.h b/mesalib/src/mesa/drivers/windows/gldirect/dglcontext.h
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@@ -0,0 +1,281 @@
+/****************************************************************************
+*
+* Mesa 3-D graphics library
+* Direct3D Driver Interface
+*
+* ========================================================================
+*
+* Copyright (C) 1991-2004 SciTech Software, Inc. All rights reserved.
+*
+* Permission is hereby granted, free of charge, to any person obtaining a
+* copy of this software and associated documentation files (the "Software"),
+* to deal in the Software without restriction, including without limitation
+* the rights to use, copy, modify, merge, publish, distribute, sublicense,
+* and/or sell copies of the Software, and to permit persons to whom the
+* Software is furnished to do so, subject to the following conditions:
+*
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+* SCITECH SOFTWARE INC BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF
+* OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+* SOFTWARE.
+*
+* ======================================================================
+*
+* Language: ANSI C
+* Environment: Windows 9x (Win32)
+*
+* Description: OpenGL context handling.
+*
+****************************************************************************/
+
+#ifndef __DGLCONTEXT_H
+#define __DGLCONTEXT_H
+
+// Disable compiler complaints about DLL linkage
+#pragma warning (disable:4273)
+
+// Macros to control compilation
+#ifndef STRICT
+#define STRICT
+#endif // STRICT
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <GL\gl.h>
+
+#ifdef _USE_GLD3_WGL
+ #include "dglmacros.h"
+ #include "dglglobals.h"
+ #include "pixpack.h"
+ #include "ddlog.h"
+ #include "dglpf.h"
+ #include "context.h" // Mesa context
+#else
+ #include <ddraw.h>
+ #include <d3d.h>
+
+ #include "dglmacros.h"
+ #include "dglglobals.h"
+ #include "pixpack.h"
+ #include "ddlog.h"
+ #include "dglpf.h"
+ #include "d3dvertex.h"
+
+ #include "DirectGL.h"
+
+ #include "context.h" // Mesa context
+ #include "vb.h" // Mesa vertex buffer
+#endif // _USE_GLD3_WGL
+
+/*---------------------- Macros and type definitions ----------------------*/
+
+// TODO: Use a list instead of this constant!
+#define DGL_MAX_CONTEXTS 32
+
+// Structure for describing an OpenGL context
+#ifdef _USE_GLD3_WGL
+typedef struct {
+ BOOL bHasBeenCurrent;
+ DGL_pixelFormat *lpPF;
+
+ // Pointer to private driver data (this also contains the drawable).
+ void *glPriv;
+
+ // Mesa vars:
+ GLcontext *glCtx; // The core Mesa context
+ GLvisual *glVis; // Describes the color buffer
+ GLframebuffer *glBuffer; // Ancillary buffers
+
+ GLuint ClearIndex;
+ GLuint CurrentIndex;
+ GLubyte ClearColor[4];
+ GLubyte CurrentColor[4];
+
+ BOOL EmulateSingle; // Emulate single-buffering
+ BOOL bDoubleBuffer;
+ BOOL bDepthBuffer;
+
+ // Shared driver vars:
+ BOOL bAllocated;
+ BOOL bFullscreen; // Is this a fullscreen context?
+ BOOL bSceneStarted; // Has a lpDev->BeginScene been issued?
+ BOOL bCanRender; // Flag: states whether rendering is OK
+ BOOL bFrameStarted; // Has frame update started at all?
+ BOOL bStencil; // TRUE if this context has stencil
+ BOOL bGDIEraseBkgnd; // GDI Erase Background command
+
+ // Window information
+ HWND hWnd; // Window handle
+ HDC hDC; // Windows' Device Context of the window
+ DWORD dwWidth; // Window width
+ DWORD dwHeight; // Window height
+ DWORD dwBPP; // Window bits-per-pixel;
+ RECT rcScreenRect; // Screen rectangle
+ DWORD dwModeWidth; // Display mode width
+ DWORD dwModeHeight; // Display mode height
+ float dvClipX;
+ float dvClipY;
+ LONG lpfnWndProc; // window message handler function
+
+} DGL_ctx;
+
+#define GLD_context DGL_ctx
+#define GLD_GET_CONTEXT(c) (GLD_context*)(c)->DriverCtx
+
+#else // _USE_GLD3_WGL
+
+typedef struct {
+ BOOL bHasBeenCurrent;
+ DGL_pixelFormat *lpPF;
+ //
+ // Mesa context vars:
+ //
+ GLcontext *glCtx; // The core Mesa context
+ GLvisual *glVis; // Describes the color buffer
+ GLframebuffer *glBuffer; // Ancillary buffers
+
+ GLuint ClearIndex;
+ GLuint CurrentIndex;
+ GLubyte ClearColor[4];
+ GLubyte CurrentColor[4];
+
+ BOOL EmulateSingle; // Emulate single-buffering
+ BOOL bDoubleBuffer;
+ BOOL bDepthBuffer;
+ int iZBufferPF; // Index of Zbuffer pixel format
+
+ // Vertex buffer: one-to-one correlation with Mesa's vertex buffer.
+ // This will be filled by our setup function (see d3dvsetup.c)
+ DGL_TLvertex gWin[VB_SIZE]; // Transformed and lit vertices
+// DGL_Lvertex gObj[VB_SIZE]; // Lit vertices in object coordinates.
+
+ // Indices for DrawIndexedPrimitive.
+ // Clipped quads are drawn seperately, so use VB_SIZE.
+ // 6 indices are needed to make 2 triangles for each possible quad
+// WORD wIndices[(VB_SIZE / 4) * 6];
+ WORD wIndices[32768];
+
+ //
+ // Device driver vars:
+ //
+ BOOL bAllocated;
+ BOOL bFullscreen; // Is this a fullscreen context?
+ BOOL bSceneStarted; // Has a lpDev->BeginScene been issued?
+ BOOL bCanRender; // Flag: states whether rendering is OK
+ BOOL bFrameStarted; // Has frame update started at all?
+
+ // DirectX COM interfaces, postfixed with the interface number
+ IDirectDraw *lpDD1;
+ IDirectDraw4 *lpDD4;
+ IDirect3D3 *lpD3D3;
+ IDirect3DDevice3 *lpDev3;
+ IDirect3DViewport3 *lpViewport3;
+ IDirectDrawSurface4 *lpFront4;
+ IDirectDrawSurface4 *lpBack4;
+ IDirectDrawSurface4 *lpDepth4;
+
+ // Vertex buffers
+ BOOL bD3DPipeline; // True if using D3D geometry pipeline
+ IDirect3DVertexBuffer *m_vbuf; // Unprocessed vertices
+ IDirect3DVertexBuffer *m_pvbuf; // Processed vertices ready to be rendered
+
+ D3DTEXTUREOP ColorOp[MAX_TEXTURE_UNITS]; // Used for re-enabling texturing
+ D3DTEXTUREOP AlphaOp[MAX_TEXTURE_UNITS]; // Used for re-enabling texturing
+ struct gl_texture_object *tObj[MAX_TEXTURE_UNITS];
+
+ DDCAPS ddCaps; // DirectDraw caps
+ D3DDEVICEDESC D3DDevDesc; // Direct3D Device description
+
+ DDPIXELFORMAT ddpfRender; // Pixel format of the render buffer
+ DDPIXELFORMAT ddpfDepth; // Pixel format of the depth buffer
+
+ BOOL bStencil; // TRUE is this context has stencil
+
+ PX_packFunc fnPackFunc; // Pixel packing function for SW
+ PX_unpackFunc fnUnpackFunc; // Pixel unpacking function for SW
+ PX_packSpanFunc fnPackSpanFunc; // Pixel span packer
+
+ D3DVIEWPORT2 d3dViewport; // D3D Viewport object
+
+ D3DCULL cullmode; // Direct3D cull mode
+ D3DCOLOR curcolor; // Current color
+ DWORD dwColorPF; // Current color, in format of target surface
+ D3DCOLOR d3dClearColor; // Clear color
+ D3DCOLOR ConstantColor; // For flat shading
+ DWORD dwClearColorPF; // Clear color, in format of target surface
+ BOOL bGDIEraseBkgnd; // GDI Erase Background command
+
+ // Primitive caches
+// DGL_vertex LineCache[DGL_MAX_LINE_VERTS];
+// DGL_vertex TriCache[DGL_MAX_TRI_VERTS];
+// DWORD dwNextLineVert;
+// DWORD dwNextTriVert;
+
+ // Window information
+ HWND hWnd; // Window handle
+ HDC hDC; // Windows' Device Context of the window
+ DWORD dwWidth; // Window width
+ DWORD dwHeight; // Window height
+ DWORD dwBPP; // Window bits-per-pixel;
+ RECT rcScreenRect; // Screen rectangle
+ DWORD dwModeWidth; // Display mode width
+ DWORD dwModeHeight; // Display mode height
+ float dvClipX;
+ float dvClipY;
+ LONG lpfnWndProc; // window message handler function
+
+ // Shared texture palette
+ IDirectDrawPalette *lpGlobalPalette;
+
+ // Usage counters.
+ // One of these counters will be incremented when we choose
+ // between hardware and software rendering functions.
+// DWORD dwHWUsageCount; // Hardware usage count
+// DWORD dwSWUsageCount; // Software usage count
+
+ // Texture state flags.
+// BOOL m_texturing; // TRUE is texturing
+// BOOL m_mtex; // TRUE if multitexture
+// BOOL m_texHandleValid; // TRUE if tex state valid
+
+ // Renderstate caches to ensure no redundant state changes
+ DWORD dwRS[256]; // Renderstates
+ DWORD dwTSS[2][24]; // Texture-stage states
+ LPDIRECT3DTEXTURE2 lpTex[2]; // Texture (1 per stage)
+
+ DWORD dwMaxTextureSize; // Max texture size:
+ // clamped to 1024.
+
+} DGL_ctx;
+#endif // _USE_GLD3_WGL
+
+/*------------------------- Function Prototypes ---------------------------*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+HHOOK hKeyHook;
+LRESULT CALLBACK dglKeyProc(int code,WPARAM wParam,LPARAM lParam);
+
+void dglInitContextState();
+void dglDeleteContextState();
+BOOL dglIsValidContext(HGLRC a);
+DGL_ctx* dglGetContextAddress(const HGLRC a);
+HDC dglGetCurrentDC(void);
+HGLRC dglGetCurrentContext(void);
+HGLRC dglCreateContext(HDC a, const DGL_pixelFormat *lpPF);
+BOOL dglMakeCurrent(HDC a, HGLRC b);
+BOOL dglDeleteContext(HGLRC a);
+BOOL dglSwapBuffers(HDC hDC);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif