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ImDrawData: Added FramebufferScale field (currently a copy of the value from io.DisplayFramebufferScale).

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This is to allow render functions being written without pulling any data from ImGuiIO, allowing incoming multi-viewport feature to behave on Retina display and with multiple displays. If you are not using a custom binding, please update your render function code ahead of time, and use draw_data->FramebufferScale instead of io.DisplayFramebufferScale. (#2306, #1676)
Examples: Metal, OpenGL2, OpenGL3: Fixed offsetting of clipping rectangle with ImDrawData::DisplayPos != (0,0) when the display frame-buffer scale scale is not (1,1). While this doesn't make a difference when using master branch, this is effectively fixing support for multi-viewport with Mac Retina Displays on those examples. (#2306) Also using ImDrawData::FramebufferScale instead of io.DisplayFramebufferScale.
Examples: Clarified the use the ImDrawData::DisplayPos to offset clipping rectangles.
This commit is contained in:
omar
2019-02-11 18:38:07 +01:00
parent ef7940699e
commit a79785c0b9
15 changed files with 87 additions and 47 deletions
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4
examples/imgui_impl_dx11.cpp
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@ -204,7 +204,7 @@ void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data)
// Render command lists
int vtx_offset = 0;
int idx_offset = 0;
ImVec2 pos = draw_data->DisplayPos;
ImVec2 clip_off = draw_data->DisplayPos;
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
@ -219,7 +219,7 @@ void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data)
else
{
// Apply scissor/clipping rectangle
const D3D11_RECT r = { (LONG)(pcmd->ClipRect.x - pos.x), (LONG)(pcmd->ClipRect.y - pos.y), (LONG)(pcmd->ClipRect.z - pos.x), (LONG)(pcmd->ClipRect.w - pos.y) };
const D3D11_RECT r = { (LONG)(pcmd->ClipRect.x - clip_off.x), (LONG)(pcmd->ClipRect.y - clip_off.y), (LONG)(pcmd->ClipRect.z - clip_off.x), (LONG)(pcmd->ClipRect.w - clip_off.y) };
ctx->RSSetScissorRects(1, &r);
// Bind texture, Draw