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Add copy_texture_region function

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This commit is contained in:
BtbN
2014-04-09 20:04:58 +02:00
parent b312261abd
commit 97c94b183a
10 changed files with 135 additions and 48 deletions
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101
libobs-d3d11/d3d11-subsystem.cpp
View File

@@ -959,41 +959,88 @@ void device_setcuberendertarget(device_t device, texture_t tex, int side,
device->context->OMSetRenderTargets(1, &rt, zstencil->view);
}
inline void gs_device::CopyTex(ID3D11Texture2D *dst, texture_t src)
inline void gs_device::CopyTex(ID3D11Texture2D *dst, uint32_t dst_x, uint32_t dst_y,
texture_t src, uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h)
{
if (src->type != GS_TEXTURE_2D)
throw "Source texture must be a 2D texture";
gs_texture_2d *tex2d = static_cast<gs_texture_2d*>(src);
context->CopyResource(dst, tex2d->texture);
if(dst_x == 0 && dst_y == 0 && src_x == 0 && src_y == 0 && src_w == 0 && src_h == 0)
{
context->CopyResource(dst, tex2d->texture);
}
else
{
D3D11_BOX sbox;
sbox.left = src_x;
if(src_w > 0)
sbox.right = src_x + src_w;
else
sbox.right = tex2d->width - 1;
sbox.top = src_y;
if(src_h > 0)
sbox.bottom = src_y + src_h;
else
sbox.bottom = tex2d->height - 1;
sbox.front = 0;
sbox.back = 1;
context->CopySubresourceRegion(dst, 0, dst_x, dst_y, 0, tex2d->texture, 0, &sbox);
}
}
void device_copy_texture_region(device_t device,
texture_t dst, uint32_t dst_x, uint32_t dst_y,
texture_t src, uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h)
{
try
{
gs_texture_2d *src2d = static_cast<gs_texture_2d*>(src);
gs_texture_2d *dst2d = static_cast<gs_texture_2d*>(dst);
if(!src)
throw "Source texture is NULL";
if(!dst)
throw "Destination texture is NULL";
if(src->type != GS_TEXTURE_2D || dst->type != GS_TEXTURE_2D)
throw "Source and destination textures must be a 2D "
"textures";
if(dst->format != src->format)
throw "Source and destination formats do not match";
uint32_t nw = (uint32_t)src_w ? (uint32_t)src_w : (src2d->width - src_x);
uint32_t nh = (uint32_t)src_h ? (uint32_t)src_h : (src2d->height - src_y);
if(dst2d->width - dst_x < nw || dst2d->height - dst_y < nh)
throw "Destination texture region is not big "
"enough to hold the source region";
if(dst_x == 0 && dst_y == 0 && src_x == 0 && src_y == 0 && src_w == 0 && src_h == 0)
{
nw = 0;
nh = 0;
}
gs_texture_2d *tex2d = static_cast<gs_texture_2d*>(dst);
device->CopyTex(tex2d->texture, dst_x, dst_y, src, src_x, src_y, nw, nh);
}
catch(const char *error)
{
blog(LOG_ERROR, "device_copy_texture (D3D11): %s", error);
}
}
void device_copy_texture(device_t device, texture_t dst, texture_t src)
{
try {
gs_texture_2d *src2d = static_cast<gs_texture_2d*>(src);
gs_texture_2d *dst2d = static_cast<gs_texture_2d*>(dst);
if (!src)
throw "Source texture is NULL";
if (!dst)
throw "Destination texture is NULL";
if (src->type != GS_TEXTURE_2D || dst->type != GS_TEXTURE_2D)
throw "Source and destination textures must be a 2D "
"textures";
if (dst->format != src->format)
throw "Source and destination formats do not match";
if (dst2d->width != src2d->width ||
dst2d->height != src2d->height)
throw "Source and destination must have the same "
"dimensions";
gs_texture_2d *tex2d = static_cast<gs_texture_2d*>(dst);
device->CopyTex(tex2d->texture, src);
} catch (const char *error) {
blog(LOG_ERROR, "device_copy_texture (D3D11): %s", error);
}
device_copy_texture_region(device, dst, 0, 0, src, 0, 0, 0, 0);
}
void device_stage_texture(device_t device, stagesurf_t dst, texture_t src)
@@ -1014,7 +1061,7 @@ void device_stage_texture(device_t device, stagesurf_t dst, texture_t src)
throw "Source and destination must have the same "
"dimensions";
device->CopyTex(dst->texture, src);
device->CopyTex(dst->texture, 0, 0, src, 0, 0, 0, 0);
} catch (const char *error) {
blog(LOG_ERROR, "device_copy_texture (D3D11): %s", error);

4
libobs-d3d11/d3d11-subsystem.hpp
View File

@@ -618,7 +618,9 @@ struct gs_device {
void UpdateRasterState();
void UpdateBlendState();
inline void CopyTex(ID3D11Texture2D *dst, texture_t src);
inline void CopyTex(ID3D11Texture2D *dst, uint32_t dst_x, uint32_t dst_y,
texture_t src, uint32_t src_x, uint32_t src_y,
uint32_t src_w, uint32_t src_h);
void UpdateViewProjMatrix();