void d3dview_on_draw( sgui_widget* subview )
{
sgui_window* window = sgui_subview_get_window( subview );
sgui_d3d11_context* ctx =
(sgui_d3d11_context*)sgui_window_get_context( window );
FLOAT bg[4] = { 0.0f, 0.0f, 0.0f, 1.0f };
bg[0] = (float)(rand( ) % 256) / 255.0f;
bg[1] = (float)(rand( ) % 256) / 255.0f;
bg[2] = (float)(rand( ) % 256) / 255.0f;
/* draw frame */
ID3D11DeviceContext_ClearRenderTargetView(ctx->ctx, ctx->backbuffer, bg);
ID3D11DeviceContext_ClearDepthStencilView( ctx->ctx, ctx->dsv,
D3D11_CLEAR_DEPTH,
1.0f, 0x00 );
ID3D11DeviceContext_Draw( ctx->ctx, 3, 0 );
}
int main( void )
{
FLOAT bg[4] = { 0.0f, 0.2f, 0.4f, 1.0f };
int r=0, g=0, b=0, dr=1, dg=0, db=0;
D3D11_SUBRESOURCE_DATA InitData;
sgui_window_description desc;
ID3DBlob *vsblob, *psblob;
sgui_d3d11_context* ctx;
ID3D11VertexShader* vs;
ID3D11PixelShader* ps;
ID3D11InputLayout* il;
D3D11_BUFFER_DESC bd;
UINT stride, offset;
ID3D11Buffer* vbo;
sgui_window* wnd;
sgui_init( );
/* create a window. See gl1.c for further explanation */
desc.parent = NULL;
desc.share = NULL;
desc.width = 300;
desc.height = 300;
desc.flags = SGUI_DOUBLEBUFFERED;
desc.backend = SGUI_DIRECT3D_11;
desc.bits_per_pixel = 32;
desc.depth_bits = 16;
desc.stencil_bits = 0;
desc.samples = 4;
wnd = sgui_window_create_desc( &desc );
if( !wnd )
{
fprintf( stderr, "Could not create Direct3D 11 window!\n" );
return -1;
}
/* make the window visible and get the context */
sgui_window_set_title( wnd, "Direct3D 11 Sample" );
sgui_window_move_center( wnd );
sgui_window_set_visible( wnd, SGUI_VISIBLE );
sgui_window_set_vsync( wnd, 1 );
ctx = (sgui_d3d11_context*)sgui_window_get_context( wnd );
/* compile shaders, create shader objects */
D3DCompile( vsh, strlen(vsh), NULL, NULL, NULL, "main", "vs_4_0",
0, 0, &vsblob, NULL );
D3DCompile( psh, strlen(psh), NULL, NULL, NULL, "main", "ps_4_0",
0, 0, &psblob, NULL );
ID3D11Device_CreateVertexShader( ctx->dev,
vsblob->lpVtbl->GetBufferPointer(vsblob),
vsblob->lpVtbl->GetBufferSize(vsblob),
NULL, &vs );
ID3D11Device_CreatePixelShader( ctx->dev,
psblob->lpVtbl->GetBufferPointer(psblob),
psblob->lpVtbl->GetBufferSize(psblob),
NULL, &ps );
/* create an input layout */
ID3D11Device_CreateInputLayout( ctx->dev, layout, LAYOUTCOUNT,
vsblob->lpVtbl->GetBufferPointer(vsblob),
vsblob->lpVtbl->GetBufferSize(vsblob),
&il );
/* create a vertex buffer */
memset( &bd, 0, sizeof(bd) );
bd.Usage = D3D11_USAGE_DEFAULT;
bd.BindFlags = D3D11_BIND_VERTEX_BUFFER;
bd.ByteWidth = sizeof(vertices);
memset( &InitData, 0, sizeof(InitData) );
InitData.pSysMem = vertices;
ID3D11Device_CreateBuffer( ctx->dev, &bd, &InitData, &vbo );
/* configure input assembler */
ID3D11DeviceContext_IASetInputLayout( ctx->ctx, il );
stride = 3 * sizeof(float);
offset = 0;
ID3D11DeviceContext_IASetVertexBuffers( ctx->ctx, 0, 1, &vbo,
&stride, &offset );
ID3D11DeviceContext_IASetPrimitiveTopology(
ctx->ctx, D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST );
/* set shaders */
ID3D11DeviceContext_VSSetShader( ctx->ctx, vs, NULL, 0 );
ID3D11DeviceContext_PSSetShader( ctx->ctx, ps, NULL, 0 );
/* main loop. See gl1.c for further explanation */
while( sgui_main_loop_step( ) )
{
/* background color animation */
r += dr;
g += dg;
b += db;
if( r==0xFF && dr>0 ) { dr= 0; dg=1; db=0; }
if( g==0xFF && dg>0 ) { dr= 0; dg=0; db=1; }
if( b==0xFF && db>0 ) { dr=-1; dg=0; db=0; }
if( r==0 && dr<0 ) { dr=0; dg=-1; db= 0; }
if( g==0 && dg<0 ) { dr=0; dg= 0; db=-1; }
if( b==0 && db<0 ) { dr=1; dg= 0; db= 0; }
bg[0] = ((float)r) / ((float)255.0f);
bg[1] = ((float)g) / ((float)255.0f);
bg[2] = ((float)b) / ((float)255.0f);
/* draw scene */
ID3D11DeviceContext_ClearRenderTargetView( ctx->ctx, ctx->backbuffer,
bg );
ID3D11DeviceContext_ClearDepthStencilView( ctx->ctx, ctx->dsv,
D3D11_CLEAR_DEPTH,
1.0f, 0x00 );
ID3D11DeviceContext_Draw( ctx->ctx, 3, 0 );
/* swap front and back buffer */
sgui_window_swap_buffers( wnd );
}
/* clean up */
ID3D11Buffer_Release( vbo );
ID3D11InputLayout_Release( il );
ID3D11VertexShader_Release( vs );
ID3D11PixelShader_Release( ps );
vsblob->lpVtbl->Release( vsblob );
psblob->lpVtbl->Release( psblob );
sgui_window_destroy( wnd );
sgui_deinit( );
return 0;
}
qboolean D3D11_BeginShadowMap(int id, int w, int h)
{
D3D11_TEXTURE2D_DESC texdesc;
HRESULT hr;
if (!shadowmap_dsview[id] && !shadowmap_rtview[id])
{
memset(&texdesc, 0, sizeof(texdesc));
texdesc.Width = w;
texdesc.Height = h;
texdesc.MipLevels = 1;
texdesc.ArraySize = 1;
texdesc.Format = shadowfmts[shadowfmt][1];
texdesc.SampleDesc.Count = 1;
texdesc.SampleDesc.Quality = 0;
texdesc.Usage = D3D11_USAGE_DEFAULT;
texdesc.BindFlags = D3D11_BIND_DEPTH_STENCIL | D3D11_BIND_SHADER_RESOURCE;
texdesc.CPUAccessFlags = 0;
texdesc.MiscFlags = 0;
if (shadowfmt == 2)
texdesc.BindFlags = D3D11_BIND_RENDER_TARGET | D3D11_BIND_SHADER_RESOURCE;
// Create the texture
if (!shadowmap_texture[id].ptr)
{
hr = ID3D11Device_CreateTexture2D(pD3DDev11, &texdesc, NULL, (ID3D11Texture2D **)&shadowmap_texture[id].ptr);
if (FAILED(hr))
return false;
}
if (shadowfmt == 2)
{
hr = ID3D11Device_CreateRenderTargetView(pD3DDev11, (ID3D11Resource *)shadowmap_texture[id].ptr, NULL, &shadowmap_rtview[id]);
}
else
{
D3D11_DEPTH_STENCIL_VIEW_DESC rtdesc;
rtdesc.Format = shadowfmts[shadowfmt][2];
rtdesc.Flags = 0;
rtdesc.ViewDimension = D3D11_DSV_DIMENSION_TEXTURE2D;
rtdesc.Texture2D.MipSlice = 0;
hr = ID3D11Device_CreateDepthStencilView(pD3DDev11, (ID3D11Resource *)shadowmap_texture[id].ptr, &rtdesc, &shadowmap_dsview[id]);
}
if (FAILED(hr))
return false;
}
D3D11BE_UnbindAllTextures();
if (shadowfmt == 2)
{
float colours[4] = {0, 1, 0, 0};
colours[0] = frandom();
colours[1] = frandom();
colours[2] = frandom();
ID3D11DeviceContext_OMSetRenderTargets(d3ddevctx, 1, &shadowmap_rtview[id], shadowmap_dsview[id]);
ID3D11DeviceContext_ClearRenderTargetView(d3ddevctx, shadowmap_rtview[id], colours);
}
else
{
ID3D11DeviceContext_OMSetRenderTargets(d3ddevctx, 0, NULL, shadowmap_dsview[id]);
ID3D11DeviceContext_ClearDepthStencilView(d3ddevctx, shadowmap_dsview[id], D3D11_CLEAR_DEPTH, 1.0f, 0);
}
return true;
}
DWORD __stdcall d3d11_drawing_thread( LPVOID arg )
{
FLOAT bg[4] = { 0.0f, 0.2f, 0.4f, 1.0f };
int r=0, g=0, b=0, dr=1, dg=0, db=0;
D3D11_SUBRESOURCE_DATA InitData;
ID3DBlob *vsblob, *psblob;
sgui_d3d11_context* ctx;
ID3D11VertexShader* vs;
ID3D11PixelShader* ps;
ID3D11InputLayout* il;
D3D11_BUFFER_DESC bd;
UINT stride, offset;
sgui_window* window;
ID3D11Buffer* vbo;
(void)arg;
/* get window and context object from sub-view widget */
window = sgui_subview_get_window( subview );
ctx = (sgui_d3d11_context*)sgui_window_get_context( window );
/* compile shaders, create shader objects */
D3DCompile( vsh, strlen(vsh), NULL, NULL, NULL, "main", "vs_4_0",
0, 0, &vsblob, NULL );
D3DCompile( psh, strlen(psh), NULL, NULL, NULL, "main", "ps_4_0",
0, 0, &psblob, NULL );
ID3D11Device_CreateVertexShader( ctx->dev,
vsblob->lpVtbl->GetBufferPointer(vsblob),
vsblob->lpVtbl->GetBufferSize(vsblob),
NULL, &vs );
ID3D11Device_CreatePixelShader( ctx->dev,
psblob->lpVtbl->GetBufferPointer(psblob),
psblob->lpVtbl->GetBufferSize(psblob),
NULL, &ps );
/* create an input layout */
ID3D11Device_CreateInputLayout( ctx->dev, layout, LAYOUTCOUNT,
vsblob->lpVtbl->GetBufferPointer(vsblob),
vsblob->lpVtbl->GetBufferSize(vsblob),
&il );
/* create a vertex buffer */
memset( &bd, 0, sizeof(bd) );
bd.Usage = D3D11_USAGE_DEFAULT;
bd.BindFlags = D3D11_BIND_VERTEX_BUFFER;
bd.ByteWidth = sizeof(vertices);
memset( &InitData, 0, sizeof(InitData) );
InitData.pSysMem = vertices;
ID3D11Device_CreateBuffer( ctx->dev, &bd, &InitData, &vbo );
/* configure input assembler */
ID3D11DeviceContext_IASetInputLayout( ctx->ctx, il );
stride = 3 * sizeof(float);
offset = 0;
ID3D11DeviceContext_IASetVertexBuffers( ctx->ctx, 0, 1, &vbo,
&stride, &offset );
ID3D11DeviceContext_IASetPrimitiveTopology(
ctx->ctx, D3D11_PRIMITIVE_TOPOLOGY_TRIANGLELIST );
/* set shaders */
ID3D11DeviceContext_VSSetShader( ctx->ctx, vs, NULL, 0 );
ID3D11DeviceContext_PSSetShader( ctx->ctx, ps, NULL, 0 );
/* drawing loop */
while( running )
{
/* background color animation */
r += dr;
g += dg;
b += db;
if( r==0xFF && dr>0 ) { dr= 0; dg=1; db=0; }
if( g==0xFF && dg>0 ) { dr= 0; dg=0; db=1; }
if( b==0xFF && db>0 ) { dr=-1; dg=0; db=0; }
if( r==0 && dr<0 ) { dr=0; dg=-1; db= 0; }
if( g==0 && dg<0 ) { dr=0; dg= 0; db=-1; }
if( b==0 && db<0 ) { dr=1; dg= 0; db= 0; }
bg[0] = ((float)r) / ((float)255.0f);
bg[1] = ((float)g) / ((float)255.0f);
bg[2] = ((float)b) / ((float)255.0f);
/* draw scene */
ID3D11DeviceContext_ClearRenderTargetView( ctx->ctx, ctx->backbuffer,
bg );
ID3D11DeviceContext_ClearDepthStencilView( ctx->ctx, ctx->dsv,
D3D11_CLEAR_DEPTH,
1.0f, 0x00 );
ID3D11DeviceContext_Draw( ctx->ctx, 3, 0 );
sgui_window_swap_buffers( window );
Sleep( 20 );
}
/* cleanup */
ID3D11Buffer_Release( vbo );
ID3D11InputLayout_Release( il );
ID3D11VertexShader_Release( vs );
ID3D11PixelShader_Release( ps );
vsblob->lpVtbl->Release( vsblob );
psblob->lpVtbl->Release( psblob );
return 0;
}