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d3d_disp.cpp
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d3d_disp.cpp
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/* ______ ___ ___
* /\ _ \ /\_ \ /\_ \
* \ \ \L\ \\//\ \ \//\ \ __ __ _ __ ___
* \ \ __ \ \ \ \ \ \ \ /'__`\ /'_ `\/\`'__\/ __`\
* \ \ \/\ \ \_\ \_ \_\ \_/\ __//\ \L\ \ \ \//\ \L\ \
* \ \_\ \_\/\____\/\____\ \____\ \____ \ \_\\ \____/
* \/_/\/_/\/____/\/____/\/____/\/___L\ \/_/ \/___/
* /\____/
* \_/__/
*
* Direct3D display driver
*
* By Trent Gamblin.
*
*/
#include <windows.h>
#include <string.h>
#include <stdio.h>
#include <process.h>
#include <math.h>
#include "allegro5/allegro.h"
#include "allegro5/system.h"
#include "allegro5/internal/aintern.h"
#include "allegro5/internal/aintern_bitmap.h"
#include "allegro5/internal/aintern_display.h"
#include "allegro5/internal/aintern_pixels.h"
#include "allegro5/internal/aintern_system.h"
#include "allegro5/internal/aintern_thread.h"
#include "allegro5/internal/aintern_tri_soft.h" // For ALLEGRO_VERTEX
#include "allegro5/internal/aintern_vector.h"
#include "allegro5/internal/aintern_wclipboard.h"
#include "allegro5/platform/aintwin.h"
#include "d3d.h"
// Based on the code in <VersionHelpers.h> but that header is not
// available on Windows 7 SDK and earlier.
static BOOL is_windows_vista_or_greater() {
OSVERSIONINFOEX info;
ULONGLONG mask = 0;
VER_SET_CONDITION(mask, VER_MAJORVERSION, VER_GREATER_EQUAL);
VER_SET_CONDITION(mask, VER_MINORVERSION, VER_GREATER_EQUAL);
VER_SET_CONDITION(mask, VER_SERVICEPACKMAJOR, VER_GREATER_EQUAL);
memset(&info, 0, sizeof(info));
info.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
info.dwMajorVersion = 6;
return VerifyVersionInfo(&info, VER_MAJORVERSION | VER_MINORVERSION | VER_SERVICEPACKMAJOR, mask) != FALSE;
}
static void d3d_set_target_bitmap(ALLEGRO_DISPLAY *display, ALLEGRO_BITMAP *bitmap);
static void d3d_update_transformation(ALLEGRO_DISPLAY* disp, ALLEGRO_BITMAP *target);
static bool d3d_init_display();
// C++ needs to cast void pointers
#define get_extra(b) ((ALLEGRO_BITMAP_EXTRA_D3D *)\
(b->parent ? b->parent->extra : b->extra))
static const char* _al_d3d_module_name = "d3d9.dll";
ALLEGRO_DEBUG_CHANNEL("d3d")
static ALLEGRO_DISPLAY_INTERFACE *vt = 0;
static HMODULE _al_d3d_module = 0;
typedef LPDIRECT3D9 (WINAPI *DIRECT3DCREATE9PROC)(UINT);
static DIRECT3DCREATE9PROC _al_d3d_create = (DIRECT3DCREATE9PROC)NULL;
#ifdef ALLEGRO_CFG_D3D9EX
typedef HRESULT (WINAPI *DIRECT3DCREATE9EXPROC)(UINT, LPDIRECT3D9EX*);
static DIRECT3DCREATE9EXPROC _al_d3d_create_ex = (DIRECT3DCREATE9EXPROC)NULL;
#endif
LPDIRECT3D9 _al_d3d = 0;
static D3DPRESENT_PARAMETERS d3d_pp;
static HWND fullscreen_focus_window;
static bool ffw_set = false;
static bool d3d_can_wait_for_vsync;
static bool render_to_texture_supported = true;
static bool is_vista = false;
static int num_faux_fullscreen_windows = 0;
static bool already_fullscreen = false; /* real fullscreen */
static ALLEGRO_MUTEX *present_mutex;
ALLEGRO_MUTEX *_al_d3d_lost_device_mutex;
#define FOURCC(c0, c1, c2, c3) ((int)(c0) | ((int)(c1) << 8) | ((int)(c2) << 16) | ((int)(c3) << 24))
/*
* These parameters cannot be gotten by the display thread because
* they're thread local. We get them in the calling thread first.
*/
typedef struct D3D_DISPLAY_PARAMETERS {
ALLEGRO_DISPLAY_D3D *display;
volatile bool init_failed;
HANDLE AckEvent;
int window_x, window_y;
/* Not owned. */
const char *window_title;
} D3D_DISPLAY_PARAMETERS;
static int allegro_formats[] = {
ALLEGRO_PIXEL_FORMAT_ANY,
ALLEGRO_PIXEL_FORMAT_ANY_WITH_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_NO_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_15_NO_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_16_WITH_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_16_NO_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_24_NO_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_32_WITH_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_32_NO_ALPHA,
ALLEGRO_PIXEL_FORMAT_XRGB_8888,
ALLEGRO_PIXEL_FORMAT_ARGB_8888,
//ALLEGRO_PIXEL_FORMAT_ARGB_4444, this format seems not to be allowed
ALLEGRO_PIXEL_FORMAT_RGB_565,
//ALLEGRO_PIXEL_FORMAT_ARGB_1555, this format seems not to be allowed
ALLEGRO_PIXEL_FORMAT_ABGR_F32,
ALLEGRO_PIXEL_FORMAT_SINGLE_CHANNEL_8,
ALLEGRO_PIXEL_FORMAT_COMPRESSED_RGBA_DXT1,
ALLEGRO_PIXEL_FORMAT_COMPRESSED_RGBA_DXT3,
ALLEGRO_PIXEL_FORMAT_COMPRESSED_RGBA_DXT5,
-1
};
/* Mapping of Allegro formats to D3D formats */
static int d3d_formats[] = {
ALLEGRO_PIXEL_FORMAT_ANY,
ALLEGRO_PIXEL_FORMAT_ANY_WITH_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_NO_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_15_NO_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_16_WITH_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_16_NO_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_24_NO_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_32_WITH_ALPHA,
ALLEGRO_PIXEL_FORMAT_ANY_32_NO_ALPHA,
D3DFMT_X8R8G8B8,
D3DFMT_A8R8G8B8,
//D3DFMT_A4R4G4B4,
D3DFMT_R5G6B5,
//D3DFMT_A1R5G5B5,
D3DFMT_A32B32G32R32F,
D3DFMT_L8,
FOURCC('D', 'X', 'T', '1'),
FOURCC('D', 'X', 'T', '3'),
FOURCC('D', 'X', 'T', '5'),
-1
};
static void (*d3d_release_callback)(ALLEGRO_DISPLAY *display) = NULL;
static void (*d3d_restore_callback)(ALLEGRO_DISPLAY *display) = NULL;
#define ERR(e) case e: return #e;
static char const *_al_d3d_error_string(HRESULT e)
{
switch (e) {
ERR(D3D_OK)
ERR(D3DERR_NOTAVAILABLE)
ERR(D3DERR_DEVICELOST)
ERR(D3DERR_INVALIDCALL)
ERR(D3DERR_OUTOFVIDEOMEMORY)
ERR(E_OUTOFMEMORY)
}
return "UNKNOWN";
}
#undef ERR
static D3DFORMAT d3d_get_depth_stencil_format(ALLEGRO_EXTRA_DISPLAY_SETTINGS *settings)
{
struct DEPTH_STENCIL_DESC {
int d;
int s;
D3DFORMAT format;
};
DEPTH_STENCIL_DESC formats[] = {
{ 0, 0, (D3DFORMAT)0 },
{ 32, 0, D3DFMT_D32 },
{ 15, 1, D3DFMT_D15S1 },
{ 24, 8, D3DFMT_D24S8 },
{ 24, 0, D3DFMT_D24X8 },
{ 24, 4, D3DFMT_D24X4S4 },
{ 16, 0, D3DFMT_D16 },
{ -1, -1, (D3DFORMAT)0 }
};
for (int i = 0; formats[i].d >= 0; i++) {
if (settings->settings[ALLEGRO_DEPTH_SIZE] == formats[i].d &&
settings->settings[ALLEGRO_STENCIL_SIZE] == formats[i].s)
return formats[i].format;
}
return (D3DFORMAT)0;
}
static void d3d_call_callbacks(_AL_VECTOR *v, ALLEGRO_DISPLAY *display)
{
int i;
for (i = 0; i < (int)v->_size; i++) {
void (**callback)(ALLEGRO_DISPLAY *) = (void (**)(ALLEGRO_DISPLAY *))_al_vector_ref(v, i);
(*callback)(display);
}
}
/* Function: al_set_d3d_device_release_callback
*/
void al_set_d3d_device_release_callback(
void (*callback)(ALLEGRO_DISPLAY *display))
{
d3d_release_callback = callback;
}
/* Function: al_set_d3d_device_restore_callback
*/
void al_set_d3d_device_restore_callback(
void (*callback)(ALLEGRO_DISPLAY *display))
{
d3d_restore_callback = callback;
}
bool _al_d3d_supports_separate_alpha_blend(ALLEGRO_DISPLAY *display)
{
ALLEGRO_DISPLAY_D3D *d3d_disp = (ALLEGRO_DISPLAY_D3D *)display;
return d3d_disp->supports_separate_alpha_blend;
}
/* Function: al_have_d3d_non_pow2_texture_support
*/
bool al_have_d3d_non_pow2_texture_support(void)
{
D3DCAPS9 caps;
int adapter = al_get_new_display_adapter();
if (!_al_d3d && !d3d_init_display())
return false;
if (adapter < 0)
adapter = 0;
/* This might have to change for multihead */
if (_al_d3d->GetDeviceCaps(adapter, D3DDEVTYPE_HAL, &caps) != D3D_OK) {
if (_al_d3d->GetDeviceCaps(adapter, D3DDEVTYPE_REF, &caps) != D3D_OK) {
return false;
}
}
if ((caps.TextureCaps & D3DPTEXTURECAPS_POW2) == 0) {
return true;
}
return false;
}
static int d3d_get_max_texture_size(int adapter)
{
D3DCAPS9 caps;
if (!_al_d3d && !d3d_init_display())
return -1;
if (_al_d3d->GetDeviceCaps(adapter, D3DDEVTYPE_HAL, &caps) != D3D_OK) {
if (_al_d3d->GetDeviceCaps(adapter, D3DDEVTYPE_REF, &caps) != D3D_OK) {
return -1;
}
}
return _ALLEGRO_MIN(caps.MaxTextureWidth, caps.MaxTextureHeight);
}
/* Function: al_have_d3d_non_square_texture_support
*/
bool al_have_d3d_non_square_texture_support(void)
{
D3DCAPS9 caps;
int adapter = al_get_new_display_adapter();
if (!_al_d3d && !d3d_init_display())
return false;
if (adapter < 0)
adapter = 0;
/* This might have to change for multihead */
if (_al_d3d->GetDeviceCaps(adapter, D3DDEVTYPE_HAL, &caps) != D3D_OK) {
if (_al_d3d->GetDeviceCaps(adapter, D3DDEVTYPE_REF, &caps) != D3D_OK) {
return false;
}
}
if ((caps.TextureCaps & D3DPTEXTURECAPS_SQUAREONLY) == 0) {
return true;
}
return false;
}
int _al_pixel_format_to_d3d(int format)
{
int i;
for (i = 0; allegro_formats[i] >= 0; i++) {
if (!_al_pixel_format_is_real(allegro_formats[i]))
continue;
if (allegro_formats[i] == format) {
return d3d_formats[i];
}
}
//return D3DFMT_R5G6B5;
return -1;
}
int _al_d3d_format_to_allegro(int d3d_fmt)
{
int i;
for (i = 0; d3d_formats[i] >= 0; i++) {
if (!_al_pixel_format_is_real(allegro_formats[i]))
continue;
if (d3d_formats[i] == d3d_fmt) {
return allegro_formats[i];
}
}
return -1;
}
int _al_d3d_num_display_formats(void)
{
return sizeof(d3d_formats) / sizeof(d3d_formats[0]);
}
void _al_d3d_get_nth_format(int i, int *allegro, D3DFORMAT *d3d)
{
*allegro = allegro_formats[i];
*d3d = (D3DFORMAT)d3d_formats[i];
}
static void d3d_reset_state(ALLEGRO_DISPLAY_D3D *disp)
{
if (disp->device_lost)
return;
disp->blender_state_op = -1;
disp->blender_state_src = -1;
disp->blender_state_dst = -1;
disp->blender_state_alpha_op = -1;
disp->blender_state_alpha_src = -1;
disp->blender_state_alpha_dst = -1;
disp->scissor_state.bottom = -1;
disp->scissor_state.top = -1;
disp->scissor_state.left = -1;
disp->scissor_state.right = -1;
disp->device->SetRenderState(D3DRS_LIGHTING, FALSE);
disp->device->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
disp->device->SetRenderState(D3DRS_ALPHABLENDENABLE, TRUE);
_al_d3d_update_render_state((ALLEGRO_DISPLAY *)disp);
}
static bool d3d_display_mode_matches(D3DDISPLAYMODE *dm, int w, int h, int format, int refresh_rate)
{
if ((dm->Width == (unsigned int)w) &&
(dm->Height == (unsigned int)h) &&
((!refresh_rate) || (dm->RefreshRate == (unsigned int)refresh_rate)) &&
((int)dm->Format == (int)_al_pixel_format_to_d3d(format))) {
return true;
}
return false;
}
static bool d3d_check_mode(int w, int h, int format, int refresh_rate, UINT adapter)
{
UINT num_modes;
UINT i;
D3DDISPLAYMODE display_mode;
if (!_al_d3d && !d3d_init_display())
return false;
num_modes = _al_d3d->GetAdapterModeCount(adapter, (D3DFORMAT)_al_pixel_format_to_d3d(format));
for (i = 0; i < num_modes; i++) {
if (_al_d3d->EnumAdapterModes(adapter, (D3DFORMAT)_al_pixel_format_to_d3d(format), i, &display_mode) != D3D_OK) {
return false;
}
if (d3d_display_mode_matches(&display_mode, w, h, format, refresh_rate)) {
return true;
}
}
return false;
}
static int d3d_get_default_refresh_rate(UINT adapter)
{
D3DDISPLAYMODE d3d_dm;
if (!_al_d3d && !d3d_init_display())
return 0;
_al_d3d->GetAdapterDisplayMode(adapter, &d3d_dm);
return d3d_dm.RefreshRate;
}
static bool d3d_create_fullscreen_device(ALLEGRO_DISPLAY_D3D *d,
int format, int refresh_rate, int flags)
{
int ret;
bool reset_all = false;
ALLEGRO_DISPLAY_WIN *win_display = &d->win_display;
ALLEGRO_DISPLAY *al_display = &win_display->display;
(void)flags;
if (!d3d_check_mode(al_display->w, al_display->h, format, refresh_rate, win_display->adapter)) {
ALLEGRO_ERROR("d3d_create_fullscreen_device: Mode not supported.\n");
return 0;
}
ZeroMemory(&d3d_pp, sizeof(d3d_pp));
d3d_pp.BackBufferFormat = (D3DFORMAT)_al_pixel_format_to_d3d(format);
d3d_pp.BackBufferWidth = al_display->w;
d3d_pp.BackBufferHeight = al_display->h;
d3d_pp.BackBufferCount = 1;
d3d_pp.Windowed = 0;
if (d->vsync) {
d3d_pp.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
}
else {
d3d_pp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
}
if (d->depth_stencil_format) {
d3d_pp.EnableAutoDepthStencil = true;
d3d_pp.AutoDepthStencilFormat = d->depth_stencil_format;
}
if (d->samples) {
d3d_pp.MultiSampleType = D3DMULTISAMPLE_NONMASKABLE;
d3d_pp.MultiSampleQuality = d->samples;
}
else
d3d_pp.Flags = D3DPRESENTFLAG_LOCKABLE_BACKBUFFER;
if (d->single_buffer) {
d3d_pp.SwapEffect = D3DSWAPEFFECT_COPY;
}
else {
d3d_pp.SwapEffect = D3DSWAPEFFECT_DISCARD;
}
d3d_pp.hDeviceWindow = win_display->window;
if (refresh_rate) {
d3d_pp.FullScreen_RefreshRateInHz = refresh_rate;
}
else {
d3d_pp.FullScreen_RefreshRateInHz = d3d_get_default_refresh_rate(win_display->adapter);
al_display->refresh_rate = d3d_pp.FullScreen_RefreshRateInHz;
}
if (ffw_set == false) {
fullscreen_focus_window = win_display->window;
ffw_set = true;
}
else {
reset_all = true;
}
#ifdef ALLEGRO_CFG_D3D9EX
if (is_vista) {
D3DDISPLAYMODEEX mode;
IDirect3D9Ex *d3d = (IDirect3D9Ex *)_al_d3d;
mode.Size = sizeof(D3DDISPLAYMODEEX);
mode.Width = al_display->w;
mode.Height = al_display->h;
mode.RefreshRate = d3d_pp.FullScreen_RefreshRateInHz;
mode.Format = d3d_pp.BackBufferFormat;
mode.ScanLineOrdering = D3DSCANLINEORDERING_PROGRESSIVE;
if ((ret = d3d->CreateDeviceEx(win_display->adapter,
D3DDEVTYPE_HAL, fullscreen_focus_window,
D3DCREATE_HARDWARE_VERTEXPROCESSING|D3DCREATE_FPU_PRESERVE|D3DCREATE_MULTITHREADED|D3DCREATE_SCREENSAVER,
&d3d_pp, &mode, (IDirect3DDevice9Ex **)(&d->device))) != D3D_OK) {
if ((ret = d3d->CreateDeviceEx(win_display->adapter,
D3DDEVTYPE_HAL, fullscreen_focus_window,
D3DCREATE_SOFTWARE_VERTEXPROCESSING|D3DCREATE_FPU_PRESERVE|D3DCREATE_MULTITHREADED|D3DCREATE_SCREENSAVER,
&d3d_pp, &mode, (IDirect3DDevice9Ex **)(&d->device))) != D3D_OK) {
if ((ret = d3d->CreateDeviceEx(win_display->adapter,
D3DDEVTYPE_REF, fullscreen_focus_window,
D3DCREATE_HARDWARE_VERTEXPROCESSING|D3DCREATE_FPU_PRESERVE|D3DCREATE_MULTITHREADED|D3DCREATE_SCREENSAVER,
&d3d_pp, &mode, (IDirect3DDevice9Ex **)(&d->device))) != D3D_OK) {
if ((ret = d3d->CreateDeviceEx(win_display->adapter,
D3DDEVTYPE_REF, fullscreen_focus_window,
D3DCREATE_SOFTWARE_VERTEXPROCESSING|D3DCREATE_FPU_PRESERVE|D3DCREATE_MULTITHREADED|D3DCREATE_SCREENSAVER,
&d3d_pp, &mode, (IDirect3DDevice9Ex **)(&d->device))) != D3D_OK) {
switch (ret) {
case D3DERR_INVALIDCALL:
ALLEGRO_ERROR("D3DERR_INVALIDCALL in create_device.\n");
break;
case D3DERR_NOTAVAILABLE:
ALLEGRO_ERROR("D3DERR_NOTAVAILABLE in create_device.\n");
break;
case D3DERR_OUTOFVIDEOMEMORY:
ALLEGRO_ERROR("D3DERR_OUTOFVIDEOMEMORY in create_device.\n");
break;
case D3DERR_DEVICELOST:
ALLEGRO_ERROR("D3DERR_DEVICELOST in create_device.\n");
break;
default:
ALLEGRO_ERROR("Direct3D Device creation failed.\n");
break;
}
return 0;
} }
}
}
}
else
#endif
{
if ((ret = _al_d3d->CreateDevice(win_display->adapter,
D3DDEVTYPE_HAL, fullscreen_focus_window,
D3DCREATE_HARDWARE_VERTEXPROCESSING|D3DCREATE_FPU_PRESERVE|D3DCREATE_MULTITHREADED,
&d3d_pp, &d->device)) != D3D_OK) {
if ((ret = _al_d3d->CreateDevice(win_display->adapter,
D3DDEVTYPE_HAL, fullscreen_focus_window,
D3DCREATE_SOFTWARE_VERTEXPROCESSING|D3DCREATE_FPU_PRESERVE|D3DCREATE_MULTITHREADED,
&d3d_pp, &d->device)) != D3D_OK) {
if ((ret = _al_d3d->CreateDevice(win_display->adapter,
D3DDEVTYPE_REF, fullscreen_focus_window,
D3DCREATE_HARDWARE_VERTEXPROCESSING|D3DCREATE_FPU_PRESERVE|D3DCREATE_MULTITHREADED,
&d3d_pp, &d->device)) != D3D_OK) {
if ((ret = _al_d3d->CreateDevice(win_display->adapter,
D3DDEVTYPE_REF, fullscreen_focus_window,
D3DCREATE_SOFTWARE_VERTEXPROCESSING|D3DCREATE_FPU_PRESERVE|D3DCREATE_MULTITHREADED,
&d3d_pp, &d->device)) != D3D_OK) {
switch (ret) {
case D3DERR_INVALIDCALL:
ALLEGRO_ERROR("D3DERR_INVALIDCALL in create_device.\n");
break;
case D3DERR_NOTAVAILABLE:
ALLEGRO_ERROR("D3DERR_NOTAVAILABLE in create_device.\n");
break;
case D3DERR_OUTOFVIDEOMEMORY:
ALLEGRO_ERROR("D3DERR_OUTOFVIDEOMEMORY in create_device.\n");
break;
case D3DERR_DEVICELOST:
ALLEGRO_ERROR("D3DERR_DEVICELOST in create_device.\n");
break;
default:
ALLEGRO_ERROR("Direct3D Device creation failed.\n");
break;
}
return 0;
}
}
}
}
}
d->device->GetBackBuffer(0, 0, D3DBACKBUFFER_TYPE_MONO, &d->render_target);
ALLEGRO_INFO("Fullscreen Direct3D device created.\n");
d->device->BeginScene();
ALLEGRO_SYSTEM *system = (ALLEGRO_SYSTEM *)al_get_system_driver();
if (reset_all) {
int i;
for (i = 0; i < (int)system->displays._size; i++) {
ALLEGRO_DISPLAY_D3D **dptr = (ALLEGRO_DISPLAY_D3D **)_al_vector_ref(&system->displays, i);
ALLEGRO_DISPLAY_D3D *disp = *dptr;
if (disp != d) {
if (disp != d && (disp->win_display.display.flags & ALLEGRO_FULLSCREEN)) {
disp->do_reset = true;
while (!disp->reset_done) {
al_rest(0.001);
}
disp->reset_done = false;
}
}
}
}
return 1;
}
static void d3d_destroy_device(ALLEGRO_DISPLAY_D3D *disp)
{
while (disp->device->Release() != 0) {
ALLEGRO_WARN("d3d_destroy_device: ref count not 0\n");
}
disp->device = NULL;
}
bool _al_d3d_render_to_texture_supported(void)
{
return render_to_texture_supported;
}
static bool d3d_init_display()
{
D3DDISPLAYMODE d3d_dm;
_al_d3d_module = _al_win_safe_load_library(_al_d3d_module_name);
if (_al_d3d_module == NULL) {
ALLEGRO_ERROR("Failed to open '%s' library\n", _al_d3d_module_name);
return false;
}
is_vista = is_windows_vista_or_greater();
#ifdef ALLEGRO_CFG_D3D9EX
if (is_vista) {
_al_d3d_create_ex = (DIRECT3DCREATE9EXPROC)GetProcAddress(_al_d3d_module, "Direct3DCreate9Ex");
if (_al_d3d_create_ex != NULL) {
if (_al_d3d_create_ex(D3D_SDK_VERSION, (LPDIRECT3D9EX *)&_al_d3d) != D3D_OK) {
ALLEGRO_ERROR("Direct3DCreate9Ex failed\n");
FreeLibrary(_al_d3d_module);
return false;
}
}
else {
ALLEGRO_INFO("Direct3DCreate9Ex not in %s\n", _al_d3d_module_name);
is_vista = false;
}
}
if (!is_vista)
#endif
{
_al_d3d_create = (DIRECT3DCREATE9PROC)GetProcAddress(_al_d3d_module, "Direct3DCreate9");
if (_al_d3d_create != NULL) {
if ((_al_d3d = _al_d3d_create(D3D9b_SDK_VERSION)) == NULL) {
ALLEGRO_ERROR("Direct3DCreate9 failed.\n");
FreeLibrary(_al_d3d_module);
return false;
}
}
else {
ALLEGRO_ERROR("Direct3DCreate9 not in %s\n", _al_d3d_module_name);
FreeLibrary(_al_d3d_module);
return false;
}
}
_al_d3d->GetAdapterDisplayMode(D3DADAPTER_DEFAULT, &d3d_dm);
if (_al_d3d->CheckDeviceFormat(D3DADAPTER_DEFAULT,
D3DDEVTYPE_HAL, d3d_dm.Format, D3DUSAGE_RENDERTARGET,
D3DRTYPE_TEXTURE, d3d_dm.Format) != D3D_OK) {
if (_al_d3d->CheckDeviceFormat(D3DADAPTER_DEFAULT,
D3DDEVTYPE_REF, d3d_dm.Format, D3DUSAGE_RENDERTARGET,
D3DRTYPE_TEXTURE, d3d_dm.Format) != D3D_OK) {
render_to_texture_supported = false;
}
else
render_to_texture_supported = true;
}
else
render_to_texture_supported = true;
ALLEGRO_INFO("Render-to-texture: %d\n", render_to_texture_supported);
present_mutex = al_create_mutex();
_al_d3d_lost_device_mutex = al_create_mutex();
#ifdef ALLEGRO_CFG_SHADER_HLSL
_al_d3d_init_shaders();
#endif
return true;
}
static ALLEGRO_DISPLAY_D3D *d3d_create_display_internals(ALLEGRO_DISPLAY_D3D *d3d_display, bool free_on_error);
static void d3d_destroy_display_internals(ALLEGRO_DISPLAY_D3D *display);
static void d3d_make_faux_fullscreen_stage_one(ALLEGRO_DISPLAY_D3D *d3d_display)
{
ALLEGRO_SYSTEM *system = al_get_system_driver();
if (already_fullscreen || num_faux_fullscreen_windows) {
int i;
for (i = 0; i < (int)system->displays._size; i++) {
ALLEGRO_DISPLAY_D3D **dptr = (ALLEGRO_DISPLAY_D3D **)_al_vector_ref(&system->displays, i);
ALLEGRO_DISPLAY_D3D *disp = *dptr;
if (disp != d3d_display) {// && (disp->win_display.display.flags & ALLEGRO_FULLSCREEN)) {
d3d_destroy_display_internals(disp);
disp->win_display.end_thread = false;
disp->win_display.thread_ended = false;
}
}
}
}
static void d3d_make_faux_fullscreen_stage_two(ALLEGRO_DISPLAY_D3D *d3d_display)
{
ALLEGRO_SYSTEM *system = al_get_system_driver();
if (already_fullscreen || num_faux_fullscreen_windows) {
int i;
already_fullscreen = false;
for (i = 0; i < (int)system->displays._size; i++) {
ALLEGRO_DISPLAY_D3D **dptr = (ALLEGRO_DISPLAY_D3D **)_al_vector_ref(&system->displays, i);
ALLEGRO_DISPLAY_D3D *disp = *dptr;
if (disp != d3d_display) {// && (disp->win_display.display.flags & ALLEGRO_FULLSCREEN)) {
if (disp->win_display.display.flags & ALLEGRO_FULLSCREEN)
disp->faux_fullscreen = true;
disp = d3d_create_display_internals(disp, true);
if (!disp) {
ALLEGRO_ERROR("d3d_create_display_internals failed.\n");
/* XXX we don't try to recover from this yet */
abort();
}
ASSERT(disp);
_al_d3d_recreate_bitmap_textures(disp);
}
}
}
}
static bool d3d_create_device(ALLEGRO_DISPLAY_D3D *d,
int format, int refresh_rate, int flags, bool convert_to_faux)
{
HRESULT hr;
ALLEGRO_DISPLAY_WIN *win_display = &d->win_display;
ALLEGRO_DISPLAY *al_display = &win_display->display;
int adapter = win_display->adapter;
(void)refresh_rate;
(void)flags;
/* Ideally if you're targetting vanilla Direct3D 9 you should create
* your windowed displays before any fullscreen ones. If you don't,
* your fullscreen displays will be turned into "faux-fullscreen"
* displays, basically screen-filling windows set out in front of
* everything else.
*/
#ifdef ALLEGRO_CFG_D3D9EX
if (convert_to_faux)
d3d_make_faux_fullscreen_stage_one(d);
#else
(void)convert_to_faux;
#endif
ZeroMemory(&d3d_pp, sizeof(d3d_pp));
d3d_pp.BackBufferFormat = (D3DFORMAT)_al_pixel_format_to_d3d(format);
d3d_pp.BackBufferWidth = al_display->w;
d3d_pp.BackBufferHeight = al_display->h;
d3d_pp.BackBufferCount = 1;
d3d_pp.Windowed = 1;
if (d->vsync) {
d3d_pp.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
}
else {
d3d_pp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
}
if (d->depth_stencil_format) {
d3d_pp.EnableAutoDepthStencil = true;
d3d_pp.AutoDepthStencilFormat = d->depth_stencil_format;
ALLEGRO_INFO("Chose depth stencil format %d\n", d->depth_stencil_format);
}
else {
ALLEGRO_INFO("Using no depth stencil buffer\n");
}
if (d->samples) {
d3d_pp.MultiSampleType = D3DMULTISAMPLE_NONMASKABLE;
d3d_pp.MultiSampleQuality = d->samples;
}
else
d3d_pp.Flags = D3DPRESENTFLAG_LOCKABLE_BACKBUFFER;
if (d->single_buffer) {
d3d_pp.SwapEffect = D3DSWAPEFFECT_COPY;
}
else {
d3d_pp.SwapEffect = D3DSWAPEFFECT_DISCARD;
}
d3d_pp.hDeviceWindow = win_display->window;
if (!refresh_rate) {
al_display->refresh_rate = d3d_get_default_refresh_rate(win_display->adapter);
}
if (adapter < 0)
adapter = 0;
if ((hr = _al_d3d->CreateDevice(adapter,
D3DDEVTYPE_HAL, win_display->window,
D3DCREATE_HARDWARE_VERTEXPROCESSING|D3DCREATE_FPU_PRESERVE|D3DCREATE_MULTITHREADED,
&d3d_pp, (LPDIRECT3DDEVICE9 *)&d->device)) != D3D_OK) {
ALLEGRO_DEBUG("trying D3DCREATE_SOFTWARE_VERTEXPROCESSING\n");
if ((hr = _al_d3d->CreateDevice(adapter,
D3DDEVTYPE_HAL, win_display->window,
D3DCREATE_SOFTWARE_VERTEXPROCESSING|D3DCREATE_FPU_PRESERVE|D3DCREATE_MULTITHREADED,
&d3d_pp, (LPDIRECT3DDEVICE9 *)&d->device)) != D3D_OK) {
ALLEGRO_DEBUG("trying D3DDEVTYPE_REF\n");
if ((hr = _al_d3d->CreateDevice(adapter,
D3DDEVTYPE_REF, win_display->window,
D3DCREATE_HARDWARE_VERTEXPROCESSING|D3DCREATE_FPU_PRESERVE|D3DCREATE_MULTITHREADED,
&d3d_pp, (LPDIRECT3DDEVICE9 *)&d->device)) != D3D_OK) {
ALLEGRO_DEBUG("trying D3DDEVTYPE_REF|D3DCREATE_SOFTWARE_VERTEXPROCESSING\n");
if ((hr = _al_d3d->CreateDevice(adapter,
D3DDEVTYPE_REF, win_display->window,
D3DCREATE_SOFTWARE_VERTEXPROCESSING|D3DCREATE_FPU_PRESERVE|D3DCREATE_MULTITHREADED,
&d3d_pp, (LPDIRECT3DDEVICE9 *)&d->device)) != D3D_OK) {
ALLEGRO_ERROR("CreateDevice failed: %s\n", _al_d3d_error_string(hr));
return 0;
}
}
}
}
if (d->device->GetBackBuffer(0, 0, D3DBACKBUFFER_TYPE_MONO, &d->render_target) != D3D_OK) {
//if (d->device->GetRenderTarget(0, &d->render_target) != D3D_OK) {
ALLEGRO_ERROR("d3d_create_device: GetBackBuffer failed.\n");
return 0;
}
if (d->device->BeginScene() != D3D_OK) {
ALLEGRO_ERROR("BeginScene failed in create_device\n");
}
else {
ALLEGRO_DEBUG("BeginScene succeeded in create_device\n");
}
#ifdef ALLEGRO_CFG_D3D9EX
if (convert_to_faux)
d3d_make_faux_fullscreen_stage_two(d);
#endif
ALLEGRO_DEBUG("Success\n");
return 1;
}
/* When a display is destroyed, its bitmaps get converted
* to memory bitmaps
*/
static void d3d_release_bitmaps(ALLEGRO_DISPLAY *display)
{
while (display->bitmaps._size > 0) {
ALLEGRO_BITMAP **bptr = (ALLEGRO_BITMAP **)_al_vector_ref_back(&display->bitmaps);
ALLEGRO_BITMAP *b = *bptr;
_al_convert_to_memory_bitmap(b);
}
}
static void d3d_destroy_display_internals(ALLEGRO_DISPLAY_D3D *d3d_display)
{
ALLEGRO_DISPLAY *al_display = (ALLEGRO_DISPLAY *)d3d_display;
ALLEGRO_DISPLAY_WIN *win_display = &d3d_display->win_display;
if (d3d_display->device) {
#ifdef ALLEGRO_CFG_SHADER_HLSL
_al_remove_display_invalidated_callback(al_display, _al_d3d_on_lost_shaders);
_al_remove_display_validated_callback(al_display, _al_d3d_on_reset_shaders);
#endif
d3d_call_callbacks(&al_display->display_invalidated_callbacks, al_display);
#ifdef ALLEGRO_CFG_SHADER_HLSL
_al_add_display_invalidated_callback(al_display, _al_d3d_on_lost_shaders);
_al_add_display_validated_callback(al_display, _al_d3d_on_reset_shaders);
#endif
d3d_display->device->EndScene();
}
d3d_release_bitmaps((ALLEGRO_DISPLAY *)d3d_display);
ALLEGRO_DEBUG("waiting for display %p's thread to end\n", d3d_display);
if (win_display->window) {
SendMessage(win_display->window, _al_win_msg_suicide, 0, 0);
while (!win_display->thread_ended)
al_rest(0.001);
}
ASSERT(al_display->vt);
}
static void d3d_destroy_display(ALLEGRO_DISPLAY *display)
{
ALLEGRO_SYSTEM_WIN *system = (ALLEGRO_SYSTEM_WIN *)al_get_system_driver();
ALLEGRO_DISPLAY_D3D *d3d_display = (ALLEGRO_DISPLAY_D3D *)display;
ALLEGRO_DISPLAY *old_disp = al_get_current_display();
ALLEGRO_INFO("destroying display %p (current %p)\n", display, old_disp);
if (old_disp != display)
_al_set_current_display_only(display);
if (system->mouse_grab_display == display)
al_ungrab_mouse();
_al_win_destroy_display_icons(display);
d3d_destroy_display_internals(d3d_display);
_al_vector_free(&display->display_invalidated_callbacks);
_al_vector_free(&display->display_validated_callbacks);
_al_vector_find_and_delete(&system->system.displays, &display);
if (system->system.displays._size <= 0) {
ffw_set = false;
already_fullscreen = false;
}
if (d3d_display->es_inited) {
_al_event_source_free(&display->es);
d3d_display->es_inited = false;
}
_al_vector_free(&display->bitmaps);
_al_vector_free(&((ALLEGRO_DISPLAY_WIN*) display)->msg_callbacks);
if (old_disp != display)
_al_set_current_display_only(old_disp);
al_free(display->vertex_cache);
al_free(display);
}
void _al_d3d_prepare_for_reset(ALLEGRO_DISPLAY_D3D *disp)
{
ALLEGRO_DISPLAY *al_display = (ALLEGRO_DISPLAY *)disp;
if (d3d_release_callback) {
(*d3d_release_callback)(al_display);
}
d3d_call_callbacks(&al_display->display_invalidated_callbacks, al_display);
_al_d3d_release_default_pool_textures((ALLEGRO_DISPLAY *)disp);
while (disp->render_target && disp->render_target->Release() != 0) {
ALLEGRO_WARN("_al_d3d_prepare_for_reset: (bb) ref count not 0\n");
}
disp->render_target = NULL;
get_extra(al_get_backbuffer(al_display))->render_target = NULL;
}
static bool _al_d3d_reset_device(ALLEGRO_DISPLAY_D3D *d3d_display)
{
ALLEGRO_DISPLAY_WIN *win_display = &d3d_display->win_display;
ALLEGRO_DISPLAY *al_display = &win_display->display;
al_lock_mutex(_al_d3d_lost_device_mutex);
_al_d3d_prepare_for_reset(d3d_display);
if (al_display->flags & ALLEGRO_FULLSCREEN) {
HRESULT hr;
ZeroMemory(&d3d_pp, sizeof(d3d_pp));
d3d_pp.BackBufferFormat = (D3DFORMAT)_al_pixel_format_to_d3d(_al_deduce_color_format(&al_display->extra_settings));
d3d_pp.BackBufferWidth = al_display->w;
d3d_pp.BackBufferHeight = al_display->h;
d3d_pp.BackBufferCount = 1;
d3d_pp.Windowed = 0;
d3d_pp.SwapEffect = D3DSWAPEFFECT_DISCARD;
d3d_pp.hDeviceWindow = win_display->window;
if (d3d_display->vsync) {
d3d_pp.PresentationInterval = D3DPRESENT_INTERVAL_ONE;
}
else {
d3d_pp.PresentationInterval = D3DPRESENT_INTERVAL_IMMEDIATE;
}
if (d3d_display->depth_stencil_format) {
d3d_pp.EnableAutoDepthStencil = true;
d3d_pp.AutoDepthStencilFormat = d3d_display->depth_stencil_format;
}
if (d3d_display->samples) {
d3d_pp.MultiSampleType = D3DMULTISAMPLE_NONMASKABLE;
d3d_pp.MultiSampleQuality = d3d_display->samples;
}
else