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Backends: DX9: add missing IMGUI_USE_BGRA_PACKED_COLOR support. Remove dinput.h headers. (#3844)

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Xiliusha
2021-02-26 10:40:22 +08:00
committed by ocornut
parent 23ab4978e4
commit eb57484935
5 changed files with 8 additions and 10 deletions
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11
backends/imgui_impl_dx9.cpp
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@ -11,6 +11,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-03-03: DirectX9: Added support for IMGUI_USE_BGRA_PACKED_COLOR in user's imconfig file.
// 2021-02-18: DirectX9: Change blending equation to preserve alpha in output buffer.
// 2019-05-29: DirectX9: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag.
// 2019-04-30: DirectX9: Added support for special ImDrawCallback_ResetRenderState callback to reset render state.
@ -28,8 +29,6 @@
// DirectX
#include <d3d9.h>
#define DIRECTINPUT_VERSION 0x0800
#include <dinput.h>
// DirectX data
static LPDIRECT3DDEVICE9 g_pd3dDevice = NULL;
@ -140,7 +139,7 @@ void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data)
g_pd3dDevice->GetTransform(D3DTS_PROJECTION, &last_projection);
// Copy and convert all vertices into a single contiguous buffer, convert colors to DX9 default format.
// FIXME-OPT: This is a waste of resource, the ideal is to use imconfig.h and
// FIXME-OPT: This is a minor waste of resource, the ideal is to use imconfig.h and
// 1) to avoid repacking colors: #define IMGUI_USE_BGRA_PACKED_COLOR
// 2) to avoid repacking vertices: #define IMGUI_OVERRIDE_DRAWVERT_STRUCT_LAYOUT struct ImDrawVert { ImVec2 pos; float z; ImU32 col; ImVec2 uv; }
CUSTOMVERTEX* vtx_dst;
@ -158,7 +157,11 @@ void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data)
vtx_dst->pos[0] = vtx_src->pos.x;
vtx_dst->pos[1] = vtx_src->pos.y;
vtx_dst->pos[2] = 0.0f;
vtx_dst->col = (vtx_src->col & 0xFF00FF00) | ((vtx_src->col & 0xFF0000) >> 16) | ((vtx_src->col & 0xFF) << 16); // RGBA --> ARGB for DirectX9
#ifdef IMGUI_USE_BGRA_PACKED_COLOR
vtx_dst->col = vtx_src->col;
#else
vtx_dst->col = (vtx_src->col & 0xFF00FF00) | ((vtx_src->col & 0xFF0000) >> 16) | ((vtx_src->col & 0xFF) << 16); // RGBA --> ARGB for DirectX9
#endif
vtx_dst->uv[0] = vtx_src->uv.x;
vtx_dst->uv[1] = vtx_src->uv.y;
vtx_dst++;