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only update textures if necessary

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This commit is contained in:
FunkyFr3sh 2018-07-04 23:27:12 +02:00
parent 4c2272a54e
commit a40392e11a
4 changed files with 19 additions and 4 deletions
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2
inc/main.h
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@ -73,6 +73,8 @@ typedef struct IDirectDrawImpl
DEVMODE mode;
struct { int width; int height; int x; int y; } viewport;
LONG paletteUpdated;
LONG surfaceUpdated;
} render;
HWND hWnd;

1
src/palette.c
View File

@ -62,6 +62,7 @@ HRESULT __stdcall ddraw_palette_SetEntries(IDirectDrawPaletteImpl *This, DWORD d
/* FIXME: only refresh the screen when the primary palette is changed */
if(ddraw->primary && ddraw->render.run)
{
InterlockedExchange(&ddraw->render.paletteUpdated, TRUE);
ReleaseSemaphore(ddraw->render.sem, 1, NULL);
}

12
src/render.c
View File

@ -477,10 +477,18 @@ DWORD WINAPI render_main(void)
if (paletteConvProgram)
{
glBindTexture(GL_TEXTURE_2D, paletteTexId);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 256, 1, GL_RGBA, GL_UNSIGNED_BYTE, ddraw->primary->palette->data_bgr);
if (InterlockedExchange(&ddraw->render.paletteUpdated, FALSE))
{
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 256, 1, GL_RGBA, GL_UNSIGNED_BYTE,
ddraw->primary->palette->data_bgr);
}
glBindTexture(GL_TEXTURE_2D, surfaceTexId);
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, ddraw->width, ddraw->height, surfaceFormat, GL_UNSIGNED_BYTE, ddraw->primary->surface);
if (InterlockedExchange(&ddraw->render.surfaceUpdated, FALSE))
{
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, ddraw->width, ddraw->height, surfaceFormat, GL_UNSIGNED_BYTE,
ddraw->primary->surface);
}
}
else
{

8
src/surface.c
View File

@ -107,11 +107,12 @@ HRESULT __stdcall ddraw_surface_Blt(IDirectDrawSurfaceImpl *This, LPRECT lpDestR
int dst_w = lpDestRect->right - lpDestRect->left;
int dst_h = lpDestRect->bottom - lpDestRect->top;
for (int y = 0; y < dst_h; y++)
int y, x;
for (y = 0; y < dst_h; y++)
{
int ydst = This->width * (y + lpDestRect->top);
for (int x = 0; x < dst_w; x++)
for (x = 0; x < dst_w; x++)
{
((unsigned char *)This->surface)[x + lpDestRect->left + ydst] = lpDDBltFx->dwFillColor;
}
@ -169,6 +170,7 @@ HRESULT __stdcall ddraw_surface_Blt(IDirectDrawSurfaceImpl *This, LPRECT lpDestR
if(This->caps & DDSCAPS_PRIMARYSURFACE && !(This->flags & DDSD_BACKBUFFERCOUNT) && ddraw->render.run)
{
InterlockedExchange(&ddraw->render.surfaceUpdated, TRUE);
ReleaseSemaphore(ddraw->render.sem, 1, NULL);
if (ddraw->renderer != render_main)
{
@ -255,6 +257,7 @@ HRESULT __stdcall ddraw_surface_Flip(IDirectDrawSurfaceImpl *This, LPDIRECTDRAWS
if(This->caps & DDSCAPS_PRIMARYSURFACE && ddraw->render.run)
{
InterlockedExchange(&ddraw->render.surfaceUpdated, TRUE);
ReleaseSemaphore(ddraw->render.sem, 1, NULL);
if (ddraw->renderer != render_main)
{
@ -430,6 +433,7 @@ HRESULT __stdcall ddraw_surface_Unlock(IDirectDrawSurfaceImpl *This, LPVOID lpRe
if(This->caps & DDSCAPS_PRIMARYSURFACE && !(This->flags & DDSD_BACKBUFFERCOUNT) && ddraw->render.run)
{
InterlockedExchange(&ddraw->render.surfaceUpdated, TRUE);
ReleaseSemaphore(ddraw->render.sem, 1, NULL);
}