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Support for device surface locking.

This commit is contained in:
Lionel Ulmer 2003-05-17 18:41:26 +00:00 committed by Alexandre Julliard
parent 9489f8bdc0
commit 783b3236f5
5 changed files with 246 additions and 62 deletions
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1
dlls/ddraw/d3d_private.h
View File

@ -244,6 +244,7 @@ struct IDirect3DDeviceImpl
void (*matrices_updated)(IDirect3DDeviceImpl *This, DWORD matrices);
void (*set_matrices)(IDirect3DDeviceImpl *This, DWORD matrices,
D3DMATRIX *world_mat, D3DMATRIX *view_mat, D3DMATRIX *proj_mat);
void (*flush_to_framebuffer)(IDirect3DDeviceImpl *This, LPCRECT pRect);
STATEBLOCK state_block;

284
dlls/ddraw/d3ddevice/mesa.c
View File

@ -105,11 +105,19 @@ inline static Drawable get_drawable( HDC hdc )
}
static BOOL opengl_flip( LPVOID display, LPVOID drawable)
static BOOL opengl_flip( LPVOID dev, LPVOID drawable)
{
TRACE("(%p, %ld)\n",(Display*)display,(Drawable)drawable);
IDirect3DDeviceImpl *d3d_dev = (IDirect3DDeviceImpl *) dev;
IDirect3DDeviceGLImpl *gl_d3d_dev = (IDirect3DDeviceGLImpl *) dev;
TRACE("(%p, %ld)\n", gl_d3d_dev->display,(Drawable)drawable);
ENTER_GL();
glXSwapBuffers((Display*)display,(Drawable)drawable);
if (gl_d3d_dev->state == SURFACE_MEMORY) {
d3d_dev->flush_to_framebuffer(d3d_dev, NULL);
}
gl_d3d_dev->state = SURFACE_GL;
gl_d3d_dev->front_state = SURFACE_GL;
glXSwapBuffers(gl_d3d_dev->display, (Drawable)drawable);
LEAVE_GL();
return TRUE;
}
@ -331,12 +339,38 @@ GL_IDirect3DDeviceImpl_7_3T_2T_1T_Release(LPDIRECT3DDEVICE7 iface)
TRACE("(%p/%p)->() decrementing from %lu.\n", This, iface, This->ref);
if (!--(This->ref)) {
int i;
IDirectDrawSurfaceImpl *surface = This->surface, *surf;
/* Release texture associated with the device */
for (i = 0; i < MAX_TEXTURES; i++)
if (This->current_texture[i] != NULL)
IDirectDrawSurface7_Release(ICOM_INTERFACE(This->current_texture[i], IDirectDrawSurface7));
/* TODO: remove the 'callbacks' for Flip and Lock/Unlock */
/* Look for the front buffer and override its surface's Flip method (if in double buffering) */
for (surf = surface; surf != NULL; surf = surf->surface_owner) {
if ((surf->surface_desc.ddsCaps.dwCaps&(DDSCAPS_FLIP|DDSCAPS_FRONTBUFFER)) == (DDSCAPS_FLIP|DDSCAPS_FRONTBUFFER)) {
surf->aux_ctx = NULL;
surf->aux_data = NULL;
surf->aux_flip = NULL;
break;
}
}
for (surf = surface; surf != NULL; surf = surf->surface_owner) {
IDirectDrawSurfaceImpl *surf2;
for (surf2 = surf; surf2->prev_attached != NULL; surf2 = surf2->prev_attached) ;
for (; surf2 != NULL; surf2 = surf2->next_attached) {
if (((surf2->surface_desc.ddsCaps.dwCaps & (DDSCAPS_3DDEVICE)) == (DDSCAPS_3DDEVICE)) &&
((surf2->surface_desc.ddsCaps.dwCaps & (DDSCAPS_ZBUFFER)) != (DDSCAPS_ZBUFFER))) {
/* Override the Lock / Unlock function for all these surfaces */
surf2->lock_update = surf2->lock_update_prev;
surf2->unlock_update = surf2->unlock_update_prev;;
/* And install also the blt / bltfast overrides */
surf2->aux_blt = NULL;
surf2->aux_bltfast = NULL;
}
surf2->d3ddevice = NULL;
}
}
/* And warn the D3D object that this device is no longer active... */
This->d3d->removed_device(This->d3d, This);
@ -348,6 +382,8 @@ GL_IDirect3DDeviceImpl_7_3T_2T_1T_Release(LPDIRECT3DDEVICE7 iface)
DeleteCriticalSection(&(This->crit));
ENTER_GL();
if (glThis->unlock_tex)
glDeleteTextures(1, &(glThis->unlock_tex));
glXDestroyContext(glThis->display, glThis->gl_context);
LEAVE_GL();
HeapFree(GetProcessHeap(), 0, This->clipping_planes);
@ -1087,6 +1123,14 @@ static void draw_primitive_strided(IDirect3DDeviceImpl *This,
IDirect3DDeviceGLImpl* glThis = (IDirect3DDeviceGLImpl*) This;
int num_active_stages = 0;
ENTER_GL();
if (glThis->state == SURFACE_MEMORY) {
This->flush_to_framebuffer(This, NULL);
}
LEAVE_GL();
glThis->state = SURFACE_GL;
/* Compute the number of active texture stages */
while (This->current_texture[num_active_stages] != NULL) num_active_stages++;
@ -2541,39 +2585,59 @@ d3ddevice_matrices_updated(IDirect3DDeviceImpl *This, DWORD matrices)
*/
static void d3ddevice_lock_update(IDirectDrawSurfaceImpl* This, LPCRECT pRect, DWORD dwFlags)
{
/* Try to acquire the device critical section */
EnterCriticalSection(&(This->d3ddevice->crit));
IDirect3DDeviceImpl *d3d_dev = This->d3ddevice;
IDirect3DDeviceGLImpl* gl_d3d_dev = (IDirect3DDeviceGLImpl*) d3d_dev;
BOOLEAN is_front;
/* Then check if we need to do anything */
if ((This->lastlocktype & DDLOCK_WRITEONLY) == 0) {
if ((This->surface_desc.ddsCaps.dwCaps & (DDSCAPS_FRONTBUFFER|DDSCAPS_PRIMARYSURFACE)) != 0) {
is_front = TRUE;
} else if ((This->surface_desc.ddsCaps.dwCaps & (DDSCAPS_BACKBUFFER)) == (DDSCAPS_BACKBUFFER)) {
is_front = FALSE;
} else {
ERR("Wrong surface type for locking !\n");
return;
}
/* Try to acquire the device critical section */
EnterCriticalSection(&(d3d_dev->crit));
if (((is_front == TRUE) && (gl_d3d_dev->front_state != SURFACE_MEMORY)) ||
((is_front == FALSE) && (gl_d3d_dev->state != SURFACE_MEMORY))) {
/* If the surface is already in memory, no need to do anything here... */
GLenum buffer_type;
GLenum prev_read;
RECT loc_rect;
int y;
char *dst;
WARN(" application does a lock on a 3D surface - expect slow downs.\n");
TRACE(" copying frame buffer to main memory.\n");
/* Note that here we cannot do 'optmizations' about the WriteOnly flag... Indeed, a game
may only write to the device... But when we will blit it back to the screen, we need
also to blit correctly the parts the application did not overwrite... */
ENTER_GL();
glGetIntegerv(GL_READ_BUFFER, &prev_read);
glFlush();
if ((This->surface_desc.ddsCaps.dwCaps & (DDSCAPS_FRONTBUFFER|DDSCAPS_PRIMARYSURFACE)) != 0) {
if (is_front == TRUE)
/* Application wants to lock the front buffer */
glReadBuffer(GL_FRONT);
} else if ((This->surface_desc.ddsCaps.dwCaps & (DDSCAPS_BACKBUFFER)) == (DDSCAPS_BACKBUFFER)) {
else
/* Application wants to lock the back buffer */
glReadBuffer(GL_BACK);
} else {
WARN(" do not support 3D surface locking for this surface type - trying to use default buffer.\n");
}
if (This->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount == 16) {
buffer_type = GL_UNSIGNED_SHORT_5_6_5;
} else {
WARN(" unsupported pixel format.\n");
ERR(" unsupported pixel format at device locking.\n");
LEAVE_GL();
return;
}
/* Just a hack while waiting for proper rectangle support */
pRect = NULL;
if (pRect == NULL) {
loc_rect.top = 0;
loc_rect.left = 0;
@ -2582,62 +2646,161 @@ static void d3ddevice_lock_update(IDirectDrawSurfaceImpl* This, LPCRECT pRect, D
} else {
loc_rect = *pRect;
}
#if 0
glReadPixels(loc_rect.left, loc_rect.top, loc_rect.right, loc_rect.bottom,
GL_RGB, buffer_type, ((char *)This->surface_desc.lpSurface
+ loc_rect.top * This->surface_desc.u1.lPitch
+ loc_rect.left * GET_BPP(This->surface_desc)));
#endif
dst = ((char *)This->surface_desc.lpSurface) +
(loc_rect.top * This->surface_desc.u1.lPitch) + (loc_rect.left * GET_BPP(This->surface_desc));
for (y = (This->surface_desc.dwHeight - loc_rect.top - 1);
y >= ((int) This->surface_desc.dwHeight - (int) loc_rect.bottom);
y--) {
glReadPixels(loc_rect.left, y,
loc_rect.right - loc_rect.left, 1,
GL_RGB, buffer_type, dst);
dst += This->surface_desc.u1.lPitch;
}
glReadBuffer(prev_read);
if (is_front)
gl_d3d_dev->front_state = SURFACE_MEMORY;
else
gl_d3d_dev->state = SURFACE_MEMORY;
LEAVE_GL();
}
}
#define UNLOCK_TEX_SIZE 256
static void d3ddevice_flush_to_frame_buffer(IDirect3DDeviceImpl *d3d_dev, LPCRECT pRect) {
GLenum buffer_type;
RECT loc_rect;
IDirectDrawSurfaceImpl *surf = d3d_dev->surface;
IDirect3DDeviceGLImpl* gl_d3d_dev = (IDirect3DDeviceGLImpl*) d3d_dev;
GLint depth_test, alpha_test, cull_face, lighting, min_tex, max_tex, tex_env;
GLuint initial_texture;
GLint tex_state;
int x, y;
loc_rect.top = 0;
loc_rect.left = 0;
loc_rect.bottom = surf->surface_desc.dwHeight;
loc_rect.right = surf->surface_desc.dwWidth;
TRACE(" flushing memory back to the frame-buffer.\n");
glGetIntegerv(GL_DEPTH_TEST, &depth_test);
glGetIntegerv(GL_ALPHA_TEST, &alpha_test);
glGetIntegerv(GL_CULL_FACE, &cull_face);
glGetIntegerv(GL_LIGHTING, &lighting);
glGetIntegerv(GL_TEXTURE_BINDING_2D, &initial_texture);
glGetIntegerv(GL_TEXTURE_2D, &tex_state);
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, &max_tex);
glGetTexParameteriv(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, &min_tex);
glGetTexEnviv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, &tex_env);
/* TODO: scissor test if ever we use it ! */
if (surf->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount == 16) {
buffer_type = GL_UNSIGNED_SHORT_5_6_5;
} else {
WARN(" unsupported pixel format.\n");
return;
}
gl_d3d_dev->transform_state = GL_TRANSFORM_ORTHO;
d3ddevice_set_ortho(d3d_dev);
glDisable(GL_DEPTH_TEST);
glEnable(GL_TEXTURE_2D);
glEnable(GL_SCISSOR_TEST);
glScissor(loc_rect.left, surf->surface_desc.dwHeight - loc_rect.bottom,
loc_rect.right - loc_rect.left, loc_rect.bottom - loc_rect.top);
if (gl_d3d_dev->unlock_tex == 0) {
glGenTextures(1, &gl_d3d_dev->unlock_tex);
glBindTexture(GL_TEXTURE_2D, gl_d3d_dev->unlock_tex);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB,
UNLOCK_TEX_SIZE, UNLOCK_TEX_SIZE, 0,
GL_RGB, buffer_type, NULL);
} else {
glBindTexture(GL_TEXTURE_2D, gl_d3d_dev->unlock_tex);
}
glPixelStorei(GL_UNPACK_ROW_LENGTH, surf->surface_desc.dwWidth);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE);
glDisable(GL_LIGHTING);
glDisable(GL_CULL_FACE);
glDisable(GL_ALPHA_TEST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
for (x = loc_rect.left; x < loc_rect.right; x += UNLOCK_TEX_SIZE) {
for (y = loc_rect.top; y < loc_rect.bottom; y += UNLOCK_TEX_SIZE) {
/* First, upload the texture... */
int w = (x + UNLOCK_TEX_SIZE > surf->surface_desc.dwWidth) ? (surf->surface_desc.dwWidth - x) : UNLOCK_TEX_SIZE;
int h = (y + UNLOCK_TEX_SIZE > surf->surface_desc.dwHeight) ? (surf->surface_desc.dwHeight - y) : UNLOCK_TEX_SIZE;
glTexSubImage2D(GL_TEXTURE_2D,
0,
0, 0,
w, h,
GL_RGB,
buffer_type,
((char *) surf->surface_desc.lpSurface) + (x * GET_BPP(surf->surface_desc)) + (y * surf->surface_desc.u1.lPitch));
glBegin(GL_QUADS);
glColor3ub(0xFF, 0xFF, 0xFF);
glTexCoord2f(0.0, 0.0);
glVertex3d(x, y, 0.5);
glTexCoord2f(1.0, 0.0);
glVertex3d(x + UNLOCK_TEX_SIZE, y, 0.5);
glTexCoord2f(1.0, 1.0);
glVertex3d(x + UNLOCK_TEX_SIZE, y + UNLOCK_TEX_SIZE, 0.5);
glTexCoord2f(0.0, 1.0);
glVertex3d(x, y + UNLOCK_TEX_SIZE, 0.5);
glEnd();
}
}
/* And restore all the various states modified by this code */
if (depth_test != 0) glEnable(GL_DEPTH_TEST);
if (lighting != 0) glEnable(GL_LIGHTING);
if (alpha_test != 0) glEnable(GL_ALPHA_TEST);
if (cull_face != 0) glEnable(GL_CULL_FACE);
glBindTexture(GL_TEXTURE_2D, initial_texture);
if (tex_state == 0) glDisable(GL_TEXTURE_2D);
glDisable(GL_SCISSOR_TEST);
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, max_tex);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, min_tex);
glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, tex_env);
}
static void d3ddevice_unlock_update(IDirectDrawSurfaceImpl* This, LPCRECT pRect)
{
/* First, check if we need to do anything */
if ((This->lastlocktype & DDLOCK_READONLY) == 0) {
GLenum buffer_type;
GLenum prev_draw;
WARN(" application does an unlock on a 3D surface - expect slow downs.\n");
BOOLEAN is_front;
IDirect3DDeviceImpl *d3d_dev = This->d3ddevice;
if ((This->surface_desc.ddsCaps.dwCaps & (DDSCAPS_FRONTBUFFER|DDSCAPS_PRIMARYSURFACE)) != 0) {
is_front = TRUE;
} else if ((This->surface_desc.ddsCaps.dwCaps & (DDSCAPS_BACKBUFFER)) == (DDSCAPS_BACKBUFFER)) {
is_front = FALSE;
} else {
ERR("Wrong surface type for locking !\n");
return;
}
/* First, check if we need to do anything. For the backbuffer, flushing is done at the next 3D activity. */
if (((This->lastlocktype & DDLOCK_READONLY) == 0) &&
(is_front == TRUE)) {
GLenum prev_draw;
ENTER_GL();
glGetIntegerv(GL_DRAW_BUFFER, &prev_draw);
if ((This->surface_desc.ddsCaps.dwCaps & (DDSCAPS_FRONTBUFFER|DDSCAPS_PRIMARYSURFACE)) != 0) {
/* Application wants to lock the front buffer */
glDrawBuffer(GL_FRONT);
} else if ((This->surface_desc.ddsCaps.dwCaps & (DDSCAPS_BACKBUFFER)) == (DDSCAPS_BACKBUFFER)) {
/* Application wants to lock the back buffer */
glDrawBuffer(GL_BACK);
} else {
WARN(" do not support 3D surface unlocking for this surface type - trying to use default buffer.\n");
}
if (This->surface_desc.u4.ddpfPixelFormat.u1.dwRGBBitCount == 16) {
buffer_type = GL_UNSIGNED_SHORT_5_6_5;
} else {
WARN(" unsupported pixel format.\n");
LEAVE_GL();
/* And 'frees' the device critical section */
LeaveCriticalSection(&(This->d3ddevice->crit));
return;
}
glRasterPos2f(0.0, 0.0);
#if 0
glDrawPixels(This->surface_desc.dwWidth, This->surface_desc.dwHeight,
GL_RGB, buffer_type, This->surface_desc.lpSurface);
#endif
glDrawBuffer(GL_FRONT);
d3d_dev->flush_to_framebuffer(d3d_dev, pRect);
glDrawBuffer(prev_draw);
LEAVE_GL();
}
}
/* And 'frees' the device critical section */
LeaveCriticalSection(&(This->d3ddevice->crit));
LeaveCriticalSection(&(d3d_dev->crit));
}
static void
@ -2682,6 +2845,7 @@ d3ddevice_create(IDirect3DDeviceImpl **obj, IDirect3DImpl *d3d, IDirectDrawSurfa
object->clear = d3ddevice_clear;
object->set_matrices = d3ddevice_set_matrices;
object->matrices_updated = d3ddevice_matrices_updated;
object->flush_to_framebuffer = d3ddevice_flush_to_frame_buffer;
InitializeCriticalSection(&(object->crit));
@ -2719,7 +2883,7 @@ d3ddevice_create(IDirect3DDeviceImpl **obj, IDirect3DImpl *d3d, IDirectDrawSurfa
/* Look for the front buffer and override its surface's Flip method (if in double buffering) */
for (surf = surface; surf != NULL; surf = surf->surface_owner) {
if ((surf->surface_desc.ddsCaps.dwCaps&(DDSCAPS_FLIP|DDSCAPS_FRONTBUFFER)) == (DDSCAPS_FLIP|DDSCAPS_FRONTBUFFER)) {
surf->aux_ctx = (LPVOID) gl_object->display;
surf->aux_ctx = (LPVOID) object;
surf->aux_data = (LPVOID) gl_object->drawable;
surf->aux_flip = opengl_flip;
buffer = GL_BACK;
@ -2740,7 +2904,9 @@ d3ddevice_create(IDirect3DDeviceImpl **obj, IDirect3DImpl *d3d, IDirectDrawSurfa
if (((surf2->surface_desc.ddsCaps.dwCaps & (DDSCAPS_3DDEVICE)) == (DDSCAPS_3DDEVICE)) &&
((surf2->surface_desc.ddsCaps.dwCaps & (DDSCAPS_ZBUFFER)) != (DDSCAPS_ZBUFFER))) {
/* Override the Lock / Unlock function for all these surfaces */
surf2->lock_update_prev = surf2->lock_update;
surf2->lock_update = d3ddevice_lock_update;
surf2->unlock_update_prev = surf2->unlock_update;
surf2->unlock_update = d3ddevice_unlock_update;
/* And install also the blt / bltfast overrides */
surf2->aux_blt = d3ddevice_blt;
@ -2798,6 +2964,8 @@ d3ddevice_create(IDirect3DDeviceImpl **obj, IDirect3DImpl *d3d, IDirectDrawSurfa
/* glDisable(GL_DEPTH_TEST); Need here to check for the presence of a ZBuffer and to reenable it when the ZBuffer is attached */
LEAVE_GL();
gl_object->state = SURFACE_GL;
/* fill_device_capabilities(d3d->ddraw); */
ICOM_INIT_INTERFACE(object, IDirect3DDevice, VTABLE_IDirect3DDevice);

5
dlls/ddraw/d3dexecutebuffer.c
View File

@ -207,6 +207,11 @@ static void execute(IDirect3DExecuteBufferImpl *This,
ENTER_GL();
if (((IDirect3DDeviceGLImpl *) lpDevice)->state == SURFACE_MEMORY) {
lpDevice->flush_to_framebuffer(lpDevice, NULL);
}
((IDirect3DDeviceGLImpl *) lpDevice)->state = SURFACE_GL;
while (1) {
LPD3DINSTRUCTION current = (LPD3DINSTRUCTION) instr;
BYTE size;

2
dlls/ddraw/ddraw_private.h
View File

@ -303,6 +303,8 @@ struct IDirectDrawSurfaceImpl
IDirectDrawSurfaceImpl *mip_main;
int mipmap_level;
LPVOID tex_private;
void (*lock_update_prev)(IDirectDrawSurfaceImpl* This, LPCRECT pRect, DWORD dwFlags);
void (*unlock_update_prev)(IDirectDrawSurfaceImpl* This, LPCRECT pRect);
};
/*****************************************************************************

8
dlls/ddraw/mesa_private.h
View File

@ -95,6 +95,11 @@ typedef enum {
GL_TRANSFORM_VERTEXBUFFER
} GL_TRANSFORM_STATE;
typedef enum {
SURFACE_GL,
SURFACE_MEMORY
} SURFACE_STATE;
typedef struct IDirect3DDeviceGLImpl
{
struct IDirect3DDeviceImpl parent;
@ -111,6 +116,9 @@ typedef struct IDirect3DDeviceGLImpl
Display *display;
Drawable drawable;
GLuint unlock_tex;
SURFACE_STATE state, front_state;
} IDirect3DDeviceGLImpl;
/* This is for the OpenGL additions... */