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add renderstate D3DRS_SHADEMODE for Dx9 impl

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add backuping transform for Dx9 impl
(#1790, #1687)
This commit is contained in:
SR_team 2018-05-03 12:01:41 +03:00 committed by omar
parent dbe16b6a70
commit d0051ce5cb
1 changed files with 13 additions and 1 deletions
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14
examples/directx9_example/imgui_impl_dx9.cpp
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@ -76,6 +76,12 @@ void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data)
if (g_pd3dDevice->CreateStateBlock(D3DSBT_ALL, &d3d9_state_block) < 0)
return;
// Backup the DX9 transform
D3DMATRIX last_world, last_view, last_projection;
g_pd3dDevice->GetTransform(D3DTS_WORLD, &last_world);
g_pd3dDevice->GetTransform(D3DTS_VIEW, &last_view);
g_pd3dDevice->GetTransform(D3DTS_PROJECTION, &last_projection);
// Copy and convert all vertices into a single contiguous buffer
CUSTOMVERTEX* vtx_dst;
ImDrawIdx* idx_dst;
@ -116,7 +122,7 @@ void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data)
vp.MaxZ = 1.0f;
g_pd3dDevice->SetViewport(&vp);
// Setup render state: fixed-pipeline, alpha-blending, no face culling, no depth testing
// Setup render state: fixed-pipeline, alpha-blending, no face culling, no depth testing, shade mode (for gradient)
g_pd3dDevice->SetPixelShader(NULL);
g_pd3dDevice->SetVertexShader(NULL);
g_pd3dDevice->SetRenderState(D3DRS_CULLMODE, D3DCULL_NONE);
@ -128,6 +134,7 @@ void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data)
g_pd3dDevice->SetRenderState(D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
g_pd3dDevice->SetRenderState(D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
g_pd3dDevice->SetRenderState(D3DRS_SCISSORTESTENABLE, true);
g_pd3dDevice->SetRenderState(D3DRS_SHADEMODE, D3DSHADE_GOURAUD);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_COLOROP, D3DTOP_MODULATE);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_COLORARG1, D3DTA_TEXTURE);
g_pd3dDevice->SetTextureStageState(0, D3DTSS_COLORARG2, D3DTA_DIFFUSE);
@ -179,6 +186,11 @@ void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data)
vtx_offset += cmd_list->VtxBuffer.Size;
}
// Restore the DX9 transform
g_pd3dDevice->SetTransform(D3DTS_WORLD, &last_world);
g_pd3dDevice->SetTransform(D3DTS_VIEW, &last_view);
g_pd3dDevice->SetTransform(D3DTS_PROJECTION, &last_projection);
// Restore the DX9 state
d3d9_state_block->Apply();
d3d9_state_block->Release();