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GUI: DirectX 11 render backend, part 8 

updateTexture for dynamic textures
This commit is contained in:
tildearrow 2023-06-14 14:50:39 -05:00
parent 6933446d8a
commit 83ad6e0894
1 changed files with 24 additions and 2 deletions
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26
src/gui/render/renderDX11.cpp
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@ -74,12 +74,14 @@ struct FurnaceDXTexture {
ID3D11ShaderResourceView* view;
int width, height;
unsigned char* lockedData;
bool dynamic;
FurnaceDXTexture():
tex(NULL),
view(NULL),
width(0),
height(0),
lockedData(NULL) {}
lockedData(NULL),
dynamic(false) {}
};
bool FurnaceGUIRenderDX11::destroyRenderTarget() {
@ -173,7 +175,26 @@ bool FurnaceGUIRenderDX11::unlockTexture(void* which) {
bool FurnaceGUIRenderDX11::updateTexture(void* which, void* data, int pitch) {
FurnaceDXTexture* t=(FurnaceDXTexture*)which;
context->UpdateSubresource(t->tex,D3D11CalcSubresource(0,0,1),NULL,data,pitch,pitch*t->height);
if (t->dynamic) {
unsigned char* d=NULL;
int p=0;
if (!lockTexture(t,&d,&p)) return false;
if (p==pitch) {
memcpy(d,data,p*t->height);
} else {
unsigned char* ucData=(unsigned char*)data;
int srcPos=0;
int destPos=0;
for (int i=0; i<t->height; i++) {
memcpy(&d[destPos],&ucData[srcPos],pitch);
srcPos+=pitch;
destPos+=p;
}
}
unlockTexture(t);
} else {
context->UpdateSubresource(t->tex,D3D11CalcSubresource(0,0,1),NULL,data,pitch,pitch*t->height);
}
return true;
}
@ -222,6 +243,7 @@ void* FurnaceGUIRenderDX11::createTexture(bool dynamic, int width, int height) {
ret->height=height;
ret->tex=tex;
ret->view=view;
ret->dynamic=dynamic;
textures.push_back(ret);
return ret;
}