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No need to flush the surface back if last lock was a RO lock.

This commit is contained in:
Lionel Ulmer 2003-05-20 04:21:46 +00:00 committed by Alexandre Julliard
parent 9bf3ac619e
commit c577c27e2b
3 changed files with 28 additions and 15 deletions
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24
dlls/ddraw/d3ddevice/mesa.c
View File

@ -112,7 +112,7 @@ static BOOL opengl_flip( LPVOID dev, LPVOID drawable)
TRACE("(%p, %ld)\n", gl_d3d_dev->display,(Drawable)drawable);
ENTER_GL();
if (gl_d3d_dev->state == SURFACE_MEMORY) {
if (gl_d3d_dev->state == SURFACE_MEMORY_DIRTY) {
d3d_dev->flush_to_framebuffer(d3d_dev, NULL);
}
gl_d3d_dev->state = SURFACE_GL;
@ -1127,7 +1127,7 @@ static void draw_primitive_strided(IDirect3DDeviceImpl *This,
int num_active_stages = 0;
ENTER_GL();
if (glThis->state == SURFACE_MEMORY) {
if (glThis->state == SURFACE_MEMORY_DIRTY) {
This->flush_to_framebuffer(This, NULL);
}
LEAVE_GL();
@ -2431,6 +2431,7 @@ static HRESULT d3ddevice_clear(IDirect3DDeviceImpl *This,
D3DVALUE dvZ,
DWORD dwStencil)
{
IDirect3DDeviceGLImpl *glThis = (IDirect3DDeviceGLImpl *) This;
GLboolean ztest;
GLfloat old_z_clear_value;
GLbitfield bitfield = 0;
@ -2462,6 +2463,13 @@ static HRESULT d3ddevice_clear(IDirect3DDeviceImpl *This,
/* Clears the screen */
ENTER_GL();
if (glThis->state == SURFACE_MEMORY_DIRTY) {
/* TODO: optimize here the case where Clear changes all the screen... */
This->flush_to_framebuffer(This, NULL);
}
glThis->state = SURFACE_GL;
if (dwFlags & D3DCLEAR_ZBUFFER) {
bitfield |= GL_DEPTH_BUFFER_BIT;
glGetBooleanv(GL_DEPTH_WRITEMASK, &ztest);
@ -2740,8 +2748,8 @@ static void d3ddevice_lock_update(IDirectDrawSurfaceImpl* This, LPCRECT pRect, D
/* 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 (((is_front == TRUE) && (gl_d3d_dev->front_state == SURFACE_GL)) ||
((is_front == FALSE) && (gl_d3d_dev->state == SURFACE_GL))) {
/* If the surface is already in memory, no need to do anything here... */
GLenum buffer_type;
GLenum buffer_color;
@ -2991,6 +2999,7 @@ static void d3ddevice_unlock_update(IDirectDrawSurfaceImpl* This, LPCRECT pRect)
{
BOOLEAN is_front;
IDirect3DDeviceImpl *d3d_dev = This->d3ddevice;
IDirect3DDeviceGLImpl* gl_d3d_dev = (IDirect3DDeviceGLImpl*) d3d_dev;
if ((This->surface_desc.ddsCaps.dwCaps & (DDSCAPS_FRONTBUFFER|DDSCAPS_PRIMARYSURFACE)) != 0) {
is_front = TRUE;
@ -3001,8 +3010,8 @@ static void d3ddevice_unlock_update(IDirectDrawSurfaceImpl* This, LPCRECT pRect)
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)) {
if ((This->lastlocktype & DDLOCK_READONLY) == 0) {
if (is_front == TRUE) {
GLenum prev_draw;
ENTER_GL();
glGetIntegerv(GL_DRAW_BUFFER, &prev_draw);
@ -3010,6 +3019,9 @@ static void d3ddevice_unlock_update(IDirectDrawSurfaceImpl* This, LPCRECT pRect)
d3d_dev->flush_to_framebuffer(d3d_dev, pRect);
glDrawBuffer(prev_draw);
LEAVE_GL();
} else {
gl_d3d_dev->state = SURFACE_MEMORY_DIRTY;
}
}
/* And 'frees' the device critical section */

2
dlls/ddraw/d3dexecutebuffer.c
View File

@ -207,7 +207,7 @@ static void execute(IDirect3DExecuteBufferImpl *This,
ENTER_GL();
if (((IDirect3DDeviceGLImpl *) lpDevice)->state == SURFACE_MEMORY) {
if (((IDirect3DDeviceGLImpl *) lpDevice)->state == SURFACE_MEMORY_DIRTY) {
lpDevice->flush_to_framebuffer(lpDevice, NULL);
}
((IDirect3DDeviceGLImpl *) lpDevice)->state = SURFACE_GL;

3
dlls/ddraw/mesa_private.h
View File

@ -100,7 +100,8 @@ typedef enum {
typedef enum {
SURFACE_GL,
SURFACE_MEMORY
SURFACE_MEMORY,
SURFACE_MEMORY_DIRTY
} SURFACE_STATE;
typedef struct IDirect3DDeviceGLImpl