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Commit d1b638a3 authored by Steve Lhomme's avatar Steve Lhomme Committed by Jean-Baptiste Kempf
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direct3d11: handle picture cropping using RSSetViewports() 

fixes the cropping of offset_test.ogv
Signed-off-by: default avatarJean-Baptiste Kempf <jb@videolan.org>
parent d79b6589
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Showing with 78 additions and 84 deletions
modules/video_output/msw/common.h
View file @ d1b638a3
......@@ -66,6 +66,7 @@ typedef struct
ID3D11ShaderResourceView *d3dresViewY;
ID3D11ShaderResourceView *d3dresViewUV;
ID3D11PixelShader *d3dpixelShader;
D3D11_VIEWPORT cropViewport;
} d3d_quad_t;
#endif
......
modules/video_output/msw/direct3d11.c
View file @ d1b638a3
......@@ -146,7 +146,7 @@ static int AllocQuad(vout_display_t *, const video_format_t *, d3d_quad_t *,
d3d_quad_cfg_t *, ID3D11PixelShader *);
static void ReleaseQuad(d3d_quad_t *);
static void UpdatePicQuadPosition(vout_display_t *);
static void UpdateQuadPosition(vout_display_t *, const d3d_quad_t *, const RECT *, int w, int h, float o);
static void UpdateQuadOpacity(vout_display_t *, const d3d_quad_t *, float);
static void Manage(vout_display_t *vd);
......@@ -694,16 +694,6 @@ static HRESULT UpdateBackBuffer(vout_display_t *vd)
return hr;
}
D3D11_VIEWPORT vp;
vp.Width = (FLOAT)i_width;
vp.Height = (FLOAT)i_height;
vp.MinDepth = 0.0f;
vp.MaxDepth = 1.0f;
vp.TopLeftX = 0;
vp.TopLeftY = 0;
ID3D11DeviceContext_RSSetViewports(sys->d3dcontext, 1, &vp);
return S_OK;
}
......@@ -765,6 +755,7 @@ static void DisplayD3DPicture(vout_display_sys_t *sys, d3d_quad_t *quad)
UINT offset = 0;
/* Render the quad */
ID3D11DeviceContext_RSSetViewports(sys->d3dcontext, 1, &quad->cropViewport);
ID3D11DeviceContext_PSSetShader(sys->d3dcontext, quad->d3dpixelShader, NULL, 0);
ID3D11DeviceContext_PSSetShaderResources(sys->d3dcontext, 0, 1, &quad->d3dresViewY);
......@@ -1143,23 +1134,24 @@ static void UpdatePicQuadPosition(vout_display_t *vd)
vout_display_sys_t *sys = vd->sys;
int i_width = RECTWidth(sys->rect_dest_clipped);
int i_height = RECTHeight(sys->rect_dest_clipped);
#if VLC_WINSTORE_APP
UINT dataSize = sizeof(i_width);
HRESULT hr = IDXGISwapChain_GetPrivateData(sys->dxgiswapChain, &GUID_SWAPCHAIN_WIDTH, &dataSize, &i_width);
if (FAILED(hr)) {
msg_Err(vd, "Can't get swapchain width, size %d. (hr=0x%lX)", hr, dataSize);
return;
}
dataSize = sizeof(i_height);
hr = IDXGISwapChain_GetPrivateData(sys->dxgiswapChain, &GUID_SWAPCHAIN_HEIGHT, &dataSize, &i_height);
if (FAILED(hr)) {
msg_Err(vd, "Can't get swapchain height, size %d. (hr=0x%lX)", hr, dataSize);
return;
}
#endif
/* Map the subpicture to sys->rect_dest_clipped */
UpdateQuadPosition(vd, &sys->picQuad, &sys->rect_dest_clipped, i_width, i_height, 1.0f);
int i_top = sys->rect_src_clipped.top * i_height;
i_top /= vd->source.i_visible_height;
i_top -= sys->rect_dest_clipped.top;
int i_left = sys->rect_src_clipped.left * i_width;
i_left /= vd->source.i_visible_width;
i_left -= sys->rect_dest_clipped.left;
sys->picQuad.cropViewport.Width = (FLOAT) vd->source.i_width * i_width / vd->source.i_visible_width;
sys->picQuad.cropViewport.Height = (FLOAT) vd->source.i_height * i_height / vd->source.i_visible_height;
sys->picQuad.cropViewport.MinDepth = 0.0f;
sys->picQuad.cropViewport.MaxDepth = 1.0f;
sys->picQuad.cropViewport.TopLeftX = -i_left;
sys->picQuad.cropViewport.TopLeftY = -i_top;
#ifndef NDEBUG
msg_Dbg(vd, "picQuad position (%.02f,%.02f) %.02fx%.02f", sys->picQuad.cropViewport.TopLeftX, sys->picQuad.cropViewport.TopLeftY, sys->picQuad.cropViewport.Width, sys->picQuad.cropViewport.Height );
#endif
}
/* TODO : handle errors better
......@@ -1445,6 +1437,7 @@ static int AllocQuad(vout_display_t *vd, const video_format_t *fmt, d3d_quad_t *
d3d_quad_cfg_t *cfg, ID3D11PixelShader *d3dpixelShader)
{
vout_display_sys_t *sys = vd->sys;
D3D11_MAPPED_SUBRESOURCE mappedResource;
HRESULT hr;
D3D11_BUFFER_DESC bd;
......@@ -1503,6 +1496,53 @@ static int AllocQuad(vout_display_t *vd, const video_format_t *fmt, d3d_quad_t *
quad->d3dpixelShader = d3dpixelShader;
ID3D11PixelShader_AddRef(quad->d3dpixelShader);
float right = 1.0f;
float left = -1.0f;
float top = 1.0f;
float bottom = -1.0f;
hr = ID3D11DeviceContext_Map(sys->d3dcontext, (ID3D11Resource *)quad->pVertexBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
if (SUCCEEDED(hr)) {
d3d_vertex_t *dst_data = mappedResource.pData;
// bottom left
dst_data[0].position.x = left;
dst_data[0].position.y = bottom;
dst_data[0].position.z = 0.0f;
dst_data[0].texture.x = 0.0f;
dst_data[0].texture.y = 1.0f;
dst_data[0].opacity = 1.0f;
// bottom right
dst_data[1].position.x = right;
dst_data[1].position.y = bottom;
dst_data[1].position.z = 0.0f;
dst_data[1].texture.x = 1.0f;
dst_data[1].texture.y = 1.0f;
dst_data[1].opacity = 1.0f;
// top right
dst_data[2].position.x = right;
dst_data[2].position.y = top;
dst_data[2].position.z = 0.0f;
dst_data[2].texture.x = 1.0f;
dst_data[2].texture.y = 0.0f;
dst_data[2].opacity = 1.0f;
// top left
dst_data[3].position.x = left;
dst_data[3].position.y = top;
dst_data[3].position.z = 0.0f;
dst_data[3].texture.x = 0.0f;
dst_data[3].texture.y = 0.0f;
dst_data[3].opacity = 1.0f;
ID3D11DeviceContext_Unmap(sys->d3dcontext, (ID3D11Resource *)quad->pVertexBuffer, 0);
}
else {
msg_Err(vd, "Failed to lock the subpicture vertex buffer (hr=0x%lX)", hr);
}
return VLC_SUCCESS;
error:
......@@ -1578,51 +1618,18 @@ static void DestroyPictureQuad(picture_t *p_picture)
free( p_picture );
}
static void UpdateQuadPosition(vout_display_t *vd, const d3d_quad_t *quad, const RECT *dst, int i_width, int i_height, float opacity)
static void UpdateQuadOpacity(vout_display_t *vd, const d3d_quad_t *quad, float opacity)
{
vout_display_sys_t *sys = vd->sys;
D3D11_MAPPED_SUBRESOURCE mappedResource;
// adjust with the center at 0,0 and the edges at -1/1
float left = -1.0f + 2.0f * ((float) dst->left / i_width );
float right = -1.0f + 2.0f * ((float) dst->right / i_width );
float top = 1.0f - 2.0f * ((float) dst->top / i_height );
float bottom = 1.0f - 2.0f * ((float) dst->bottom / i_height );
HRESULT hr = ID3D11DeviceContext_Map(sys->d3dcontext, (ID3D11Resource *)quad->pVertexBuffer, 0, D3D11_MAP_WRITE_DISCARD, 0, &mappedResource);
HRESULT hr = ID3D11DeviceContext_Map(sys->d3dcontext, (ID3D11Resource *)quad->pVertexBuffer, 0, D3D11_MAP_WRITE_NO_OVERWRITE, 0, &mappedResource);
if (SUCCEEDED(hr)) {
d3d_vertex_t *dst_data = mappedResource.pData;
// bottom left
dst_data[0].position.x = left;
dst_data[0].position.y = bottom;
dst_data[0].position.z = 0.0f;
dst_data[0].texture.x = 0.0f;
dst_data[0].texture.y = 1.0f;
dst_data[0].opacity = opacity;
// bottom right
dst_data[1].position.x = right;
dst_data[1].position.y = bottom;
dst_data[1].position.z = 0.0f;
dst_data[1].texture.x = 1.0f;
dst_data[1].texture.y = 1.0f;
dst_data[1].opacity = opacity;
// top right
dst_data[2].position.x = right;
dst_data[2].position.y = top;
dst_data[2].position.z = 0.0f;
dst_data[2].texture.x = 1.0f;
dst_data[2].texture.y = 0.0f;
dst_data[2].opacity = opacity;
// top left
dst_data[3].position.x = left;
dst_data[3].position.y = top;
dst_data[3].position.z = 0.0f;
dst_data[3].texture.x = 0.0f;
dst_data[3].texture.y = 0.0f;
dst_data[3].opacity = opacity;
ID3D11DeviceContext_Unmap(sys->d3dcontext, (ID3D11Resource *)quad->pVertexBuffer, 0);
......@@ -1715,30 +1722,16 @@ static int Direct3D11MapSubpicture(vout_display_t *vd, int *subpicture_region_co
continue;
}
d3d_quad_t *quad = (d3d_quad_t *) quad_picture->p_sys;
/* Map the subpicture to sys->rect_dest */
const int i_original_width = subpicture->i_original_picture_width;
const int i_original_height = subpicture->i_original_picture_height;
quad->cropViewport.Width = (FLOAT) r->fmt.i_visible_width * RECTHeight(sys->rect_dest) / subpicture->i_original_picture_height;
quad->cropViewport.Height = (FLOAT) r->fmt.i_visible_height * RECTWidth(sys->rect_dest) / subpicture->i_original_picture_width;
quad->cropViewport.MinDepth = 0.0f;
quad->cropViewport.MaxDepth = 1.0f;
quad->cropViewport.TopLeftX = r->i_x * RECTHeight(sys->rect_dest) / subpicture->i_original_picture_height;
quad->cropViewport.TopLeftY = r->i_y * RECTWidth(sys->rect_dest) / subpicture->i_original_picture_width;
const RECT video = sys->rect_dest;
const float scale_w = (float)(video.right - video.left) / i_original_width;
const float scale_h = (float)(video.bottom - video.top) / i_original_height;
RECT dst;
dst.left = video.left + scale_w * r->i_x,
dst.right = dst.left + scale_w * r->fmt.i_visible_width,
dst.top = video.top + scale_h * r->i_y,
dst.bottom = dst.top + scale_h * r->fmt.i_visible_height;
float opacity = (float)r->i_alpha / 255.0f;
const RECT *p_viewport;
#if VLC_WINSTORE_APP
p_viewport = &sys->rect_display;
#else
p_viewport = &video;
#endif
UpdateQuadPosition(vd, (d3d_quad_t *)quad_picture->p_sys, &dst,
RECTWidth( *p_viewport ), RECTHeight( *p_viewport ), opacity );
UpdateQuadOpacity(vd, quad, r->i_alpha / 255.0f );
}
return VLC_SUCCESS;
}
......
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