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Added ImDrawList::SplitDrawCmd() to force multiple draw calls for depending rendering/blending + Comments

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This commit is contained in:
ocornut
2015-01-31 09:51:25 +00:00
parent 64679a0b03
commit 4437293b79
2 changed files with 22 additions and 9 deletions
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15
imgui.cpp
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@ -6039,6 +6039,17 @@ void ImDrawList::Clear()
texture_id_stack.resize(0);
}
// This is useful if you need to force-create a new draw call (to allow for depending rendering / blending).
// Otherwise primitives are merged into the same draw-call as much as possible.
void ImDrawList::SplitDrawCmd()
{
ImDrawCmd draw_cmd;
draw_cmd.vtx_count = 0;
draw_cmd.clip_rect = clip_rect_stack.back();
draw_cmd.texture_id = texture_id_stack.back();
commands.push_back(draw_cmd);
}
void ImDrawList::SetClipRect(const ImVec4& clip_rect)
{
ImDrawCmd* current_cmd = commands.empty() ? NULL : &commands.back();
@ -6060,8 +6071,8 @@ void ImDrawList::SetClipRect(const ImVec4& clip_rect)
void ImDrawList::PushClipRect(const ImVec4& clip_rect)
{
SetClipRect(clip_rect);
clip_rect_stack.push_back(clip_rect);
SetClipRect(clip_rect);
}
void ImDrawList::PopClipRect()
@ -6093,8 +6104,8 @@ void ImDrawList::SetTextureID(const ImTextureID& texture_id)
void ImDrawList::PushTextureID(const ImTextureID& texture_id)
{
SetTextureID(texture_id);
texture_id_stack.push_back(texture_id);
SetTextureID(texture_id);
}
void ImDrawList::PopTextureID()