Drezil/imgui
1
0
Fork 0
mirror of https://github.com/Drezil/imgui.git synced 2024-12-18 14:16:36 +00:00
Code Issues Packages Projects Releases Wiki Activity

Merge branch 'trezanik-master'

Browse Source
This commit is contained in:
ocornut 2016-05-16 10:55:04 +02:00
commit 82fa628135
1 changed files with 32 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

70
examples/directx9_example/imgui_impl_dx9.cpp
View File

@ -58,14 +58,10 @@ void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
return;
}
// Backup some DX9 state (not all!)
// FIXME: Backup/restore everything else
D3DRENDERSTATETYPE last_render_state_to_backup[] = { D3DRS_CULLMODE, D3DRS_LIGHTING, D3DRS_ZENABLE, D3DRS_ALPHABLENDENABLE, D3DRS_ALPHATESTENABLE, D3DRS_BLENDOP, D3DRS_SRCBLEND, D3DRS_DESTBLEND, D3DRS_SCISSORTESTENABLE };
DWORD last_render_state_values[ARRAYSIZE(last_render_state_to_backup)] = { 0 };
IDirect3DPixelShader9* last_ps; g_pd3dDevice->GetPixelShader( &last_ps );
IDirect3DVertexShader9* last_vs; g_pd3dDevice->GetVertexShader( &last_vs );
for (int n = 0; n < ARRAYSIZE(last_render_state_to_backup); n++)
g_pd3dDevice->GetRenderState(last_render_state_to_backup[n], &last_render_state_values[n]);
// Backup the DX9 state
IDirect3DStateBlock9* d3d9_state_block = NULL;
if (g_pd3dDevice->CreateStateBlock(D3DSBT_ALL, &d3d9_state_block) < 0)
return;
// Copy and convert all vertices into a single contiguous buffer
CUSTOMVERTEX* vtx_dst;
@ -94,30 +90,30 @@ void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
}
g_pVB->Unlock();
g_pIB->Unlock();
g_pd3dDevice->SetStreamSource( 0, g_pVB, 0, sizeof( CUSTOMVERTEX ) );
g_pd3dDevice->SetIndices( g_pIB );
g_pd3dDevice->SetFVF( D3DFVF_CUSTOMVERTEX );
g_pd3dDevice->SetStreamSource(0, g_pVB, 0, sizeof(CUSTOMVERTEX));
g_pd3dDevice->SetIndices(g_pIB);
g_pd3dDevice->SetFVF(D3DFVF_CUSTOMVERTEX);
// Setup render state: fixed-pipeline, alpha-blending, no face culling, no depth testing
g_pd3dDevice->SetPixelShader( NULL );
g_pd3dDevice->SetVertexShader( NULL );
g_pd3dDevice->SetRenderState( D3DRS_CULLMODE, D3DCULL_NONE );
g_pd3dDevice->SetRenderState( D3DRS_LIGHTING, false );
g_pd3dDevice->SetRenderState( D3DRS_ZENABLE, false );
g_pd3dDevice->SetRenderState( D3DRS_ALPHABLENDENABLE, true );
g_pd3dDevice->SetRenderState( D3DRS_ALPHATESTENABLE, false );
g_pd3dDevice->SetRenderState( D3DRS_BLENDOP, D3DBLENDOP_ADD );
g_pd3dDevice->SetRenderState( D3DRS_SRCBLEND, D3DBLEND_SRCALPHA );
g_pd3dDevice->SetRenderState( D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA );
g_pd3dDevice->SetRenderState( D3DRS_SCISSORTESTENABLE, true );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLOROP, D3DTOP_MODULATE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_COLORARG2, D3DTA_DIFFUSE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE );
g_pd3dDevice->SetTextureStageState( 0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE );
g_pd3dDevice->SetSamplerState( 0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR );
g_pd3dDevice->SetSamplerState( 0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR );
g_pd3dDevice->SetPixelShader(NULL);
g_pd3dDevice->SetVertexShader(NULL);
g_pd3dDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
g_pd3dDevice->SetRenderState(D3DRS_LIGHTING, false);
g_pd3dDevice->SetRenderState(D3DRS_ZENABLE, false);
g_pd3dDevice->SetRenderState(D3DRS_ALPHABLENDENABLE, true);
g_pd3dDevice->SetRenderState(D3DRS_ALPHATESTENABLE, false);
g_pd3dDevice->SetRenderState(D3DRS_BLENDOP, D3DBLENDOP_ADD);
g_pd3dDevice->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
g_pd3dDevice->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, true);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_MODULATE);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_ALPHAARG2, D3DTA_DIFFUSE);
g_pd3dDevice->SetSamplerState(0, D3DSAMP_MINFILTER, D3DTEXF_LINEAR);
g_pd3dDevice->SetSamplerState(0, D3DSAMP_MAGFILTER, D3DTEXF_LINEAR);
// Setup orthographic projection matrix
// Being agnostic of whether <d3dx9.h> or <DirectXMath.h> can be used, we aren't relying on D3DXMatrixIdentity()/D3DXMatrixOrthoOffCenterLH() or DirectX::XMMatrixIdentity()/DirectX::XMMatrixOrthographicOffCenterLH()
@ -152,20 +148,18 @@ void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
else
{
const RECT r = { (LONG)pcmd->ClipRect.x, (LONG)pcmd->ClipRect.y, (LONG)pcmd->ClipRect.z, (LONG)pcmd->ClipRect.w };
g_pd3dDevice->SetTexture( 0, (LPDIRECT3DTEXTURE9)pcmd->TextureId );
g_pd3dDevice->SetScissorRect( &r );
g_pd3dDevice->DrawIndexedPrimitive( D3DPT_TRIANGLELIST, vtx_offset, 0, (UINT)cmd_list->VtxBuffer.size(), idx_offset, pcmd->ElemCount/3 );
g_pd3dDevice->SetTexture(0, (LPDIRECT3DTEXTURE9)pcmd->TextureId);
g_pd3dDevice->SetScissorRect(&r);
g_pd3dDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, vtx_offset, 0, (UINT)cmd_list->VtxBuffer.size(), idx_offset, pcmd->ElemCount/3);
}
idx_offset += pcmd->ElemCount;
}
vtx_offset += cmd_list->VtxBuffer.size();
}
// Restore some modified DX9 state (not all!)
g_pd3dDevice->SetPixelShader( last_ps );
g_pd3dDevice->SetVertexShader( last_vs );
for (int n = 0; n < ARRAYSIZE(last_render_state_to_backup); n++)
g_pd3dDevice->SetRenderState(last_render_state_to_backup[n], last_render_state_values[n]);
// Restore the DX9 state
d3d9_state_block->Apply();
d3d9_state_block->Release();
}
IMGUI_API LRESULT ImGui_ImplDX9_WndProcHandler(HWND, UINT msg, WPARAM wParam, LPARAM lParam)