dlls/ddraw/opengl_private.h

   1 /* MESA private include file
   2  * Copyright (c) 1998 Lionel ULMER
   3  *
   4  * This file contains all structures that are not exported
   5  * through d3d.h and all common macros.
   6  *
   7  * This library is free software; you can redistribute it and/or
   8  * modify it under the terms of the GNU Lesser General Public
   9  * License as published by the Free Software Foundation; either
  10  * version 2.1 of the License, or (at your option) any later version.
  11  *
  12  * This library is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  15  * Lesser General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU Lesser General Public
  18  * License along with this library; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #ifndef __GRAPHICS_WINE_MESA_PRIVATE_H
  23 #define __GRAPHICS_WINE_MESA_PRIVATE_H
  24
  25 #include "d3d_private.h"
  26
  27 #ifdef HAVE_OPENGL
  28
  29 #include "gl_private.h"
  30
  31 /* X11 locking */
  32
  33 extern void (*wine_tsx11_lock_ptr)(void);
  34 extern void (*wine_tsx11_unlock_ptr)(void);
  35
  36 /* As GLX relies on X, this is needed */
  37 #define ENTER_GL() wine_tsx11_lock_ptr()
  38 #define LEAVE_GL() wine_tsx11_unlock_ptr()
  39
  40 extern const GUID IID_D3DDEVICE_OpenGL;
  41
  42 typedef enum {
  43     SURFACE_GL,
  44     SURFACE_MEMORY,
  45     SURFACE_MEMORY_DIRTY
  46 } SURFACE_STATE;
  47
  48 /* This structure is used for the 'd3d_private' field of the IDirectDraw structure */
  49 typedef struct IDirect3DGLImpl
  50 {
  51     DWORD free_lights;
  52     void (*light_released)(IDirectDrawImpl *, GLenum light_num);
  53 } IDirect3DGLImpl;
  54
  55 typedef struct IDirect3DLightGLImpl
  56 {
  57     struct IDirect3DLightImpl parent;
  58     GLenum light_num;
  59 } IDirect3DLightGLImpl;
  60
  61 /* This structure is used for the 'private' field of the IDirectDrawSurfaceImpl structure */
  62 typedef struct IDirect3DTextureGLImpl
  63 {
  64     GLuint tex_name;
  65     BOOLEAN loaded; /* For the moment, this is here.. Should be part of surface management though */
  66     IDirectDrawSurfaceImpl *main; /* Pointer to the 'main' surface of the mip-map set */
  67
  68     /* Texture upload management */
  69     BOOLEAN initial_upload_done;
  70     SURFACE_STATE dirty_flag;
  71
  72     /* This is used to optimize dirty checking in case of mipmapping.
  73        Note that a bitmap could have been used but it was not worth the pain as it will be very rare
  74        to have only one mipmap level change...
  75
  76        The __global_dirty_flag will only be set for the main mipmap level.
  77     */
  78     SURFACE_STATE __global_dirty_flag;
  79     SURFACE_STATE *global_dirty_flag;
  80
  81     /* This is to optimize the 'per-texture' parameters. */
  82     DWORD *tex_parameters;
  83
  84     /* Surface optimization */
  85     void *surface_ptr;
  86
  87     /* Used to detect a change in internal format when going from non-CK texture to CK-ed texture */
  88     GLenum current_internal_format;
  89
  90     /* This is for now used to override 'standard' surface stuff to be as transparent as possible */
  91     void (*final_release)(struct IDirectDrawSurfaceImpl *This);
  92     void (*lock_update)(IDirectDrawSurfaceImpl* This, LPCRECT pRect, DWORD dwFlags);
  93     void (*unlock_update)(IDirectDrawSurfaceImpl* This, LPCRECT pRect);
  94     void (*set_palette)(IDirectDrawSurfaceImpl* This, IDirectDrawPaletteImpl* pal);
  95 } IDirect3DTextureGLImpl;
  96
  97 typedef enum {
  98     GL_TRANSFORM_NONE = 0,
  99     GL_TRANSFORM_ORTHO,
 100     GL_TRANSFORM_NORMAL,
 101     GL_TRANSFORM_VERTEXBUFFER
 102 } GL_TRANSFORM_STATE;
 103
 104 typedef enum {
 105     WINE_GL_BUFFER_BACK = 0,
 106     WINE_GL_BUFFER_FRONT
 107 } WINE_GL_BUFFER_TYPE;
 108
 109 typedef struct IDirect3DDeviceGLImpl
 110 {
 111     struct IDirect3DDeviceImpl parent;
 112
 113     GLXContext gl_context;
 114
 115     /* This stores the textures which are actually bound to the GL context */
 116     IDirectDrawSurfaceImpl *current_bound_texture[MAX_TEXTURES];
 117
 118     /* The last type of vertex drawn */
 119     GL_TRANSFORM_STATE transform_state;
 120
 121     /* Used to handle fogging faster... */
 122     BYTE fog_table[3 * 0x10000]; /* 3 is for R, G and B
 123                                     0x10000 is 0xFF for the vertex color and
 124                                                0xFF for the fog intensity */
 125
 126     Display  *display;
 127     Drawable drawable;
 128
 129     /* Variables used for the flush to frame-buffer code using the texturing code */
 130     GLuint unlock_tex;
 131     void *surface_ptr;
 132     GLenum current_internal_format;
 133
 134     /* 0 is back-buffer, 1 is front-buffer */
 135     SURFACE_STATE state[2];
 136     IDirectDrawSurfaceImpl *lock_surf[2];
 137     RECT lock_rect[2];
 138     /* This is just here to print-out a nice warning if we have two successive locks */
 139     BOOLEAN lock_rect_valid[2];
 140
 141     /* This is used to optimize some stuff */
 142     DWORD prev_clear_color;
 143     DWORD prev_clear_stencil;
 144     D3DVALUE prev_clear_Z;
 145     BOOLEAN depth_mask, depth_test, alpha_test, stencil_test, cull_face, lighting, blending, fogging;
 146     GLenum current_alpha_test_func;
 147     GLclampf current_alpha_test_ref;
 148     GLenum current_tex_env;
 149     GLenum current_active_tex_unit;
 150 } IDirect3DDeviceGLImpl;
 151
 152 /* This is for the OpenGL additions... */
 153 typedef struct {
 154     struct IDirect3DVertexBufferImpl parent;
 155
 156     DWORD dwVertexTypeDesc;
 157     D3DMATRIX world_mat, view_mat, proj_mat;
 158     LPVOID vertices;
 159 } IDirect3DVertexBufferGLImpl;
 160
 161 /* This is for GL extension support.
 162
 163    This can contain either only a boolean if no function pointer exists or a set
 164    of function pointers.
 165 */
 166 typedef struct {
 167     /* Mirrored Repeat */
 168     BOOLEAN mirrored_repeat;
 169     /* Mipmap lod-bias */
 170     BOOLEAN mipmap_lodbias;
 171     /* Multi-texturing */
 172     GLint max_texture_units;
 173     void (*glActiveTexture)(GLenum texture);
 174     void (*glMultiTexCoord[4])(GLenum target, const GLfloat *v);
 175     void (*glClientActiveTexture)(GLenum texture);
 176     /* S3TC/DXTN compressed texture */
 177     BOOLEAN s3tc_compressed_texture;
 178     void (*glCompressedTexImage2D)(GLenum target, GLint level, GLenum internalformat, GLsizei width,
 179                                  GLsizei height, GLint border, GLsizei imageSize, const GLvoid *data);
 180     void (*glCompressedTexSubImage2D)(GLenum target, GLint level, GLint xoffset, GLint yoffset,
 181                                     GLsizei width, GLsizei height, GLsizei imageSize, const GLvoid *data);
 182 } GL_EXTENSIONS_LIST;
 183 extern GL_EXTENSIONS_LIST GL_extensions;
 184
 185 /* All non-static functions 'exported' by various sub-objects */
 186 extern HRESULT direct3d_create(IDirectDrawImpl *This);
 187 extern HRESULT d3dtexture_create(IDirectDrawImpl *d3d, IDirectDrawSurfaceImpl *surf, BOOLEAN at_creation, IDirectDrawSurfaceImpl *main_surf);
 188 extern HRESULT d3dlight_create(IDirect3DLightImpl **obj, IDirectDrawImpl *d3d, GLenum light_num);
 189 extern HRESULT d3dexecutebuffer_create(IDirect3DExecuteBufferImpl **obj, IDirectDrawImpl *d3d, IDirect3DDeviceImpl *d3ddev, LPD3DEXECUTEBUFFERDESC lpDesc);
 190 extern HRESULT d3dmaterial_create(IDirect3DMaterialImpl **obj, IDirectDrawImpl *d3d);
 191 extern HRESULT d3dviewport_create(IDirect3DViewportImpl **obj, IDirectDrawImpl *d3d);
 192 extern HRESULT d3dvertexbuffer_create(IDirect3DVertexBufferImpl **obj, IDirectDrawImpl *d3d, LPD3DVERTEXBUFFERDESC lpD3DVertBufDesc, DWORD dwFlags);
 193 extern HRESULT d3ddevice_create(IDirect3DDeviceImpl **obj, IDirectDrawImpl *d3d, IDirectDrawSurfaceImpl *surface, int version);
 194
 195 /* Used for Direct3D to request the device to enumerate itself */
 196 extern HRESULT d3ddevice_enumerate(LPD3DENUMDEVICESCALLBACK cb, LPVOID context, DWORD version) ;
 197 extern HRESULT d3ddevice_enumerate7(LPD3DENUMDEVICESCALLBACK7 cb, LPVOID context) ;
 198 extern HRESULT d3ddevice_find(IDirectDrawImpl *d3d, LPD3DFINDDEVICESEARCH lpD3DDFS, LPD3DFINDDEVICERESULT lplpD3DDevice);
 199
 200 /* Used by the DLL init routine to set-up the GL context and stuff properly */
 201 extern BOOL d3ddevice_init_at_startup(void *gl_handle);
 202
 203 /* Used to upload the texture */
 204 extern HRESULT gltex_upload_texture(IDirectDrawSurfaceImpl *This, IDirect3DDeviceImpl *d3ddev, DWORD stage) ;
 205
 206 /* Used to get the texture name */
 207 extern GLuint gltex_get_tex_name(IDirectDrawSurfaceImpl *This) ;
 208
 209 /* Used to set-up our orthographic projection */
 210 extern void d3ddevice_set_ortho(IDirect3DDeviceImpl *This) ;
 211
 212 /* Rendering state management functions */
 213 extern void set_render_state(IDirect3DDeviceImpl* This, D3DRENDERSTATETYPE dwRenderStateType, STATEBLOCK *lpStateBlock);
 214 extern void store_render_state(IDirect3DDeviceImpl *This, D3DRENDERSTATETYPE dwRenderStateType, DWORD dwRenderState, STATEBLOCK* lpStateBlock);
 215 extern void get_render_state(IDirect3DDeviceImpl *This, D3DRENDERSTATETYPE dwRenderStateType, LPDWORD lpdwRenderState, STATEBLOCK* lpStateBlock);
 216 extern void apply_render_state(IDirect3DDeviceImpl* This, STATEBLOCK* lpStateBlock);
 217
 218 /* Memory to texture conversion code. Split in three functions to do some optimizations. */
 219 extern HRESULT upload_surface_to_tex_memory_init(IDirectDrawSurfaceImpl *surface, GLuint level, GLenum *prev_internal_format,
 220                                                  BOOLEAN need_to_alloc, BOOLEAN need_alpha_ck, DWORD tex_width, DWORD tex_height);
 221 extern HRESULT upload_surface_to_tex_memory(RECT *rect, DWORD xoffset, DWORD yoffset, void **temp_buffer);
 222 extern HRESULT upload_surface_to_tex_memory_release(void);
 223
 224 /* Some utilities functions needed to be shared.. */
 225 extern GLenum convert_D3D_compare_to_GL(D3DCMPFUNC dwRenderState) ;
 226
 227 #endif /* HAVE_OPENGL */
 228
 229 #endif /* __GRAPHICS_WINE_MESA_PRIVATE_H */