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AA branch: io.RenderDrawListsFn signature changed to take ImDrawData, neater and future proof breaking of the render API (#133 #254)

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This commit is contained in:
ocornut
2015-07-05 22:03:46 -06:00
parent 2633325b9f
commit f3303fa84f
6 changed files with 42 additions and 43 deletions
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24
examples/directx9_example/imgui_impl_dx9.cpp
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@ -30,28 +30,18 @@ struct CUSTOMVERTEX
// This is the main rendering function that you have to implement and provide to ImGui (via setting up 'RenderDrawListsFn' in the ImGuiIO structure)
// If text or lines are blurry when integrating ImGui in your engine:
// - in your Render function, try translating your projection matrix by (0.5f,0.5f) or (0.375f,0.375f)
static void ImGui_ImplDX9_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_count)
static void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
{
size_t total_vtx_count = 0;
size_t total_idx_count = 0;
for (int n = 0; n < cmd_lists_count; n++)
{
total_vtx_count += cmd_lists[n]->vtx_buffer.size();
total_idx_count += cmd_lists[n]->idx_buffer.size();
}
if (total_vtx_count == 0)
return;
// Copy and convert all vertices into a single contiguous buffer
CUSTOMVERTEX* vtx_dst;
ImDrawIdx* idx_dst;
if (g_pVB->Lock(0, (UINT)(total_vtx_count * sizeof(CUSTOMVERTEX)), (void**)&vtx_dst, D3DLOCK_DISCARD) < 0)
if (g_pVB->Lock(0, (UINT)(draw_data->total_vtx_count * sizeof(CUSTOMVERTEX)), (void**)&vtx_dst, D3DLOCK_DISCARD) < 0)
return;
if (g_pIB->Lock(0, (UINT)(total_idx_count * sizeof(ImDrawIdx)), (void**)&idx_dst, D3DLOCK_DISCARD) < 0)
if (g_pIB->Lock(0, (UINT)(draw_data->total_idx_count * sizeof(ImDrawIdx)), (void**)&idx_dst, D3DLOCK_DISCARD) < 0)
return;
for (int n = 0; n < cmd_lists_count; n++)
for (int n = 0; n < draw_data->cmd_lists_count; n++)
{
const ImDrawList* cmd_list = cmd_lists[n];
const ImDrawList* cmd_list = draw_data->cmd_lists[n];
const ImDrawVert* vtx_src = &cmd_list->vtx_buffer[0];
for (size_t i = 0; i < cmd_list->vtx_buffer.size(); i++)
{
@ -104,9 +94,9 @@ static void ImGui_ImplDX9_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_
// Render command lists
int vtx_offset = 0;
int idx_offset = 0;
for (int n = 0; n < cmd_lists_count; n++)
for (int n = 0; n < draw_data->cmd_lists_count; n++)
{
const ImDrawList* cmd_list = cmd_lists[n];
const ImDrawList* cmd_list = draw_data->cmd_lists[n];
for (size_t cmd_i = 0; cmd_i < cmd_list->commands.size(); cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->commands[cmd_i];