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Examples: Accessing ImVector fields directly, feel less stl-ey and fix renderer side assert when render list only contains a callback (#810)

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This commit is contained in:
ocornut
2016-09-03 19:24:57 +02:00
parent c0fcf223be
commit 2825eaa0be
11 changed files with 58 additions and 56 deletions
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7
examples/apple_example/imguiex-ios/imgui_impl_ios.mm
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@ -648,7 +648,7 @@ static void ImGui_ImplIOS_RenderDrawLists (ImDrawData *draw_data)
ImDrawIdx* idx_buffer = &cmd_list->IdxBuffer.front();
glBindBuffer(GL_ARRAY_BUFFER, g_VboHandle);
int needed_vtx_size = cmd_list->VtxBuffer.size() * sizeof(ImDrawVert);
const int needed_vtx_size = cmd_list->VtxBuffer.Size * sizeof(ImDrawVert);
if (g_VboSize < needed_vtx_size)
{
// Grow our buffer if needed
@ -659,11 +659,12 @@ static void ImGui_ImplIOS_RenderDrawLists (ImDrawData *draw_data)
unsigned char* vtx_data = (unsigned char*)glMapBufferRange(GL_ARRAY_BUFFER, 0, needed_vtx_size, GL_MAP_WRITE_BIT | GL_MAP_INVALIDATE_BUFFER_BIT);
if (!vtx_data)
continue;
memcpy(vtx_data, &cmd_list->VtxBuffer[0], cmd_list->VtxBuffer.size() * sizeof(ImDrawVert));
memcpy(vtx_data, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert));
glUnmapBuffer(GL_ARRAY_BUFFER);
for (const ImDrawCmd* pcmd = cmd_list->CmdBuffer.begin(); pcmd != cmd_list->CmdBuffer.end(); pcmd++)
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)
{
pcmd->UserCallback(cmd_list, pcmd);