wined3d_private.h

这是一个开放源代码的与WINNT/WIN2K/WIN2003兼容的操作系统

/*
 * Direct3D wine internal private include file
 *
 * Copyright 2002-2003 The wine-d3d team
 * Copyright 2002-2003 Raphael Junqueira
 * Copyright 2004 Jason Edmeades
 * Copyright 2005 Oliver Stieber
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifndef __WINE_WINED3D_PRIVATE_H
#define __WINE_WINED3D_PRIVATE_H

#include <stdarg.h>
#include <math.h>
#define NONAMELESSUNION
#define NONAMELESSSTRUCT
#define COBJMACROS
#include "windef.h"
#include "winbase.h"
#include "winreg.h"
#include "wingdi.h"
#include "winuser.h"
#include "wine/debug.h"
#include "wine/unicode.h"

#include "wined3d_private_types.h"
#include "wine/wined3d_interface.h"
#include "wine/wined3d_caps.h"
#include "wine/wined3d_gl.h"
#include "wine/list.h"

#define  ceilf(x) (float)ceil((double)x)
BOOL WINAPI
DllMain(IN HINSTANCE hinstDLL,
        IN DWORD dwReason,
        IN LPVOID lpvReserved);

/* Hash table functions */
typedef unsigned int (hash_function_t)(void *key);
typedef BOOL (compare_function_t)(void *keya, void *keyb);

typedef struct {
    void *key;
    void *value;
    unsigned int hash;
    struct list entry;
} hash_table_entry_t;

typedef struct {
    hash_function_t *hash_function;
    compare_function_t *compare_function;
    struct list *buckets;
    unsigned int bucket_count;
    hash_table_entry_t *entries;
    unsigned int entry_count;
    struct list free_entries;
    unsigned int count;
    unsigned int grow_size;
    unsigned int shrink_size;
} hash_table_t;

hash_table_t *hash_table_create(hash_function_t *hash_function, compare_function_t *compare_function);
void hash_table_destroy(hash_table_t *table);
void *hash_table_get(hash_table_t *table, void *key);
void hash_table_put(hash_table_t *table, void *key, void *value);
void hash_table_remove(hash_table_t *table, void *key);

/* Device caps */
#define MAX_PALETTES            256
#define MAX_STREAMS             16
#define MAX_TEXTURES            8
#define MAX_FRAGMENT_SAMPLERS   16
#define MAX_VERTEX_SAMPLERS     4
#define MAX_COMBINED_SAMPLERS   (MAX_FRAGMENT_SAMPLERS + MAX_VERTEX_SAMPLERS)
#define MAX_ACTIVE_LIGHTS       8
#define MAX_CLIPPLANES          WINED3DMAXUSERCLIPPLANES
#define MAX_LEVELS              256

#define MAX_CONST_I 16
#define MAX_CONST_B 16

/* Used for CreateStateBlock */
#define NUM_SAVEDPIXELSTATES_R     35
#define NUM_SAVEDPIXELSTATES_T     18
#define NUM_SAVEDPIXELSTATES_S     12
#define NUM_SAVEDVERTEXSTATES_R    31
#define NUM_SAVEDVERTEXSTATES_T    2
#define NUM_SAVEDVERTEXSTATES_S    1

extern const DWORD SavedPixelStates_R[NUM_SAVEDPIXELSTATES_R];
extern const DWORD SavedPixelStates_T[NUM_SAVEDPIXELSTATES_T];
extern const DWORD SavedPixelStates_S[NUM_SAVEDPIXELSTATES_S];
extern const DWORD SavedVertexStates_R[NUM_SAVEDVERTEXSTATES_R];
extern const DWORD SavedVertexStates_T[NUM_SAVEDVERTEXSTATES_T];
extern const DWORD SavedVertexStates_S[NUM_SAVEDVERTEXSTATES_S];

typedef enum _WINELOOKUP {
    WINELOOKUP_WARPPARAM = 0,
    WINELOOKUP_MAGFILTER = 1,
    MAX_LOOKUPS          = 2
} WINELOOKUP;

extern int minLookup[MAX_LOOKUPS];
extern int maxLookup[MAX_LOOKUPS];
extern DWORD *stateLookup[MAX_LOOKUPS];

extern DWORD minMipLookup[WINED3DTEXF_ANISOTROPIC + 1][WINED3DTEXF_LINEAR + 1];

typedef struct _WINED3DGLTYPE {
    int         d3dType;
    GLint       size;
    GLenum      glType;
    GLboolean   normalized;
    int         typesize;
} WINED3DGLTYPE;

/* NOTE: Make sure these are in the correct numerical order. (see /include/wined3d_types.h) */
static WINED3DGLTYPE const glTypeLookup[WINED3DDECLTYPE_UNUSED] = {
                                  {WINED3DDECLTYPE_FLOAT1,    1, GL_FLOAT           , GL_FALSE ,sizeof(float)},
                                  {WINED3DDECLTYPE_FLOAT2,    2, GL_FLOAT           , GL_FALSE ,sizeof(float)},
                                  {WINED3DDECLTYPE_FLOAT3,    3, GL_FLOAT           , GL_FALSE ,sizeof(float)},
                                  {WINED3DDECLTYPE_FLOAT4,    4, GL_FLOAT           , GL_FALSE ,sizeof(float)},
                                  {WINED3DDECLTYPE_D3DCOLOR,  4, GL_UNSIGNED_BYTE   , GL_TRUE  ,sizeof(BYTE)},
                                  {WINED3DDECLTYPE_UBYTE4,    4, GL_UNSIGNED_BYTE   , GL_FALSE ,sizeof(BYTE)},
                                  {WINED3DDECLTYPE_SHORT2,    2, GL_SHORT           , GL_FALSE ,sizeof(short int)},
                                  {WINED3DDECLTYPE_SHORT4,    4, GL_SHORT           , GL_FALSE ,sizeof(short int)},
                                  {WINED3DDECLTYPE_UBYTE4N,   4, GL_UNSIGNED_BYTE   , GL_TRUE  ,sizeof(BYTE)},
                                  {WINED3DDECLTYPE_SHORT2N,   2, GL_SHORT           , GL_TRUE  ,sizeof(short int)},
                                  {WINED3DDECLTYPE_SHORT4N,   4, GL_SHORT           , GL_TRUE  ,sizeof(short int)},
                                  {WINED3DDECLTYPE_USHORT2N,  2, GL_UNSIGNED_SHORT  , GL_TRUE  ,sizeof(short int)},
                                  {WINED3DDECLTYPE_USHORT4N,  4, GL_UNSIGNED_SHORT  , GL_TRUE  ,sizeof(short int)},
                                  {WINED3DDECLTYPE_UDEC3,     3, GL_UNSIGNED_SHORT  , GL_FALSE ,sizeof(short int)},
                                  {WINED3DDECLTYPE_DEC3N,     3, GL_SHORT           , GL_TRUE  ,sizeof(short int)},
                                  /* We should do an extension check for NV_HALF_FLOAT. However, without NV_HALF_FLOAT
                                   * we won't be able to load the data at all, so at least for the moment it wouldn't
                                   * gain us much. */
                                  {WINED3DDECLTYPE_FLOAT16_2, 2, GL_HALF_FLOAT_NV   , GL_FALSE ,sizeof(GLhalfNV)},
                                  {WINED3DDECLTYPE_FLOAT16_4, 4, GL_HALF_FLOAT_NV   , GL_FALSE ,sizeof(GLhalfNV)}};

#define WINED3D_ATR_TYPE(type)          glTypeLookup[type].d3dType
#define WINED3D_ATR_SIZE(type)          glTypeLookup[type].size
#define WINED3D_ATR_GLTYPE(type)        glTypeLookup[type].glType
#define WINED3D_ATR_NORMALIZED(type)    glTypeLookup[type].normalized
#define WINED3D_ATR_TYPESIZE(type)      glTypeLookup[type].typesize

/**
 * Settings 
 */
#define VS_NONE    0
#define VS_HW      1

#define PS_NONE    0
#define PS_HW      1

#define VBO_NONE   0
#define VBO_HW     1

#define NP2_NONE   0
#define NP2_REPACK 1
#define NP2_NATIVE 2

#define ORM_BACKBUFFER  0
#define ORM_PBUFFER     1
#define ORM_FBO         2

#define SHADER_ARB  1
#define SHADER_GLSL 2
#define SHADER_NONE 3

#define RTL_DISABLE   -1
#define RTL_AUTO       0
#define RTL_READDRAW   1
#define RTL_READTEX    2
#define RTL_TEXDRAW    3
#define RTL_TEXTEX     4

/* NOTE: When adding fields to this structure, make sure to update the default
 * values in wined3d_main.c as well. */
typedef struct wined3d_settings_s {
/* vertex and pixel shader modes */
  int vs_mode;
  int ps_mode;
  int vbo_mode;
/* Ideally, we don't want the user to have to request GLSL.  If the hardware supports GLSL,
    we should use it.  However, until it's fully implemented, we'll leave it as a registry
    setting for developers. */
  BOOL glslRequested;
  int offscreen_rendering_mode;
  int rendertargetlock_mode;
/* Memory tracking and object counting */
  unsigned int emulated_textureram;
} wined3d_settings_t;

extern wined3d_settings_t wined3d_settings;

/* Shader backends */

typedef struct {
    void (*shader_select)(IWineD3DDevice *iface, BOOL usePS, BOOL useVS);
    void (*shader_select_depth_blt)(IWineD3DDevice *iface);
    void (*shader_load_constants)(IWineD3DDevice *iface, char usePS, char useVS);
    void (*shader_cleanup)(IWineD3DDevice *iface);
} shader_backend_t;

extern const shader_backend_t glsl_shader_backend;
extern const shader_backend_t arb_program_shader_backend;
extern const shader_backend_t none_shader_backend;

/* X11 locking */

extern void (*wine_tsx11_lock_ptr)(void);
extern void (*wine_tsx11_unlock_ptr)(void);

/* As GLX relies on X, this is needed */
extern int num_lock;

#if 0
#define ENTER_GL() ++num_lock; if (num_lock > 1) FIXME("Recursive use of GL lock to: %d\n", num_lock); wine_tsx11_lock_ptr()
#define LEAVE_GL() if (num_lock != 1) FIXME("Recursive use of GL lock: %d\n", num_lock); --num_lock; wine_tsx11_unlock_ptr()
#else
#define ENTER_GL() wine_tsx11_lock_ptr()
#define LEAVE_GL() wine_tsx11_unlock_ptr()
#endif

/*****************************************************************************
 * Defines
 */

/* GL related defines */
/* ------------------ */
#define GL_SUPPORT(ExtName)           (GLINFO_LOCATION.supported[ExtName] != 0)
#define GL_LIMITS(ExtName)            (GLINFO_LOCATION.max_##ExtName)
#define GL_EXTCALL(FuncName)          (GLINFO_LOCATION.FuncName)
#define GL_VEND(_VendName)            (GLINFO_LOCATION.gl_vendor == VENDOR_##_VendName ? TRUE : FALSE)

#define D3DCOLOR_B_R(dw) (((dw) >> 16) & 0xFF)
#define D3DCOLOR_B_G(dw) (((dw) >>  8) & 0xFF)
#define D3DCOLOR_B_B(dw) (((dw) >>  0) & 0xFF)
#define D3DCOLOR_B_A(dw) (((dw) >> 24) & 0xFF)

#define D3DCOLOR_R(dw) (((float) (((dw) >> 16) & 0xFF)) / 255.0f)
#define D3DCOLOR_G(dw) (((float) (((dw) >>  8) & 0xFF)) / 255.0f)
#define D3DCOLOR_B(dw) (((float) (((dw) >>  0) & 0xFF)) / 255.0f)
#define D3DCOLOR_A(dw) (((float) (((dw) >> 24) & 0xFF)) / 255.0f)

#define D3DCOLORTOGLFLOAT4(dw, vec) \
  (vec)[0] = D3DCOLOR_R(dw); \
  (vec)[1] = D3DCOLOR_G(dw); \
  (vec)[2] = D3DCOLOR_B(dw); \
  (vec)[3] = D3DCOLOR_A(dw);

/* DirectX Device Limits */
/* --------------------- */
#define MAX_LEVELS  256  /* Maximum number of mipmap levels. Guessed at 256 */

#define MAX_STREAMS  16  /* Maximum possible streams - used for fixed size arrays
                            See MaxStreams in MSDN under GetDeviceCaps */
                         /* Maximum number of constants provided to the shaders */
#define HIGHEST_TRANSFORMSTATE 512 
                         /* Highest value in WINED3DTRANSFORMSTATETYPE */
#define MAX_PALETTES      256

/* Checking of API calls */
/* --------------------- */
#define checkGLcall(A)                                          \
{                                                               \
    GLint err = glGetError();                                   \
    if (err == GL_NO_ERROR) {                                   \
       TRACE("%s call ok %s / %d\n", A, __FILE__, __LINE__);    \
                                                                \
    } else do {                                                 \
        FIXME(">>>>>>>>>>>>>>>>> %s (%#x) from %s @ %s / %d\n", \
            debug_glerror(err), err, A, __FILE__, __LINE__);    \
       err = glGetError();                                      \
    } while (err != GL_NO_ERROR);                               \
} 

/* Trace routines / diagnostics */
/* ---------------------------- */

/* Dump out a matrix and copy it */
#define conv_mat(mat,gl_mat)                                                                \
do {                                                                                        \
    TRACE("%f %f %f %f\n", (mat)->u.s._11, (mat)->u.s._12, (mat)->u.s._13, (mat)->u.s._14); \
    TRACE("%f %f %f %f\n", (mat)->u.s._21, (mat)->u.s._22, (mat)->u.s._23, (mat)->u.s._24); \
    TRACE("%f %f %f %f\n", (mat)->u.s._31, (mat)->u.s._32, (mat)->u.s._33, (mat)->u.s._34); \
    TRACE("%f %f %f %f\n", (mat)->u.s._41, (mat)->u.s._42, (mat)->u.s._43, (mat)->u.s._44); \
    memcpy(gl_mat, (mat), 16 * sizeof(float));                                              \
} while (0)

/* Macro to dump out the current state of the light chain */
#define DUMP_LIGHT_CHAIN()                    \
{                                             \
  PLIGHTINFOEL *el = This->stateBlock->lights;\
  while (el) {                                \
    TRACE("Light %p (glIndex %ld, d3dIndex %ld, enabled %d)\n", el, el->glIndex, el->OriginalIndex, el->lightEnabled);\
    el = el->next;                            \
  }                                           \
}