Drezil/imgui
1
0
Fork 0
mirror of https://github.com/Drezil/imgui.git synced 2025-07-06 04:58:47 +02:00
Code Issues Packages Projects Releases Wiki Activity

Indexed rendering. Not in main branch because breaks rendering code too much. Will merge in trunk along with more major graphics changes lat

Browse Source
This commit is contained in:
ocornut
2015-04-09 21:05:35 +01:00
parent 500a8a0e02
commit 1746b04065
6 changed files with 210 additions and 125 deletions
Download Patch File Download Diff File Expand all files Collapse all files

214
imgui.cpp
View File

@ -1670,10 +1670,11 @@ static inline void AddDrawListToRenderList(ImVector<ImDrawList*>& out_render_lis
{
if (!draw_list->commands.empty() && !draw_list->vtx_buffer.empty())
{
if (draw_list->commands.back().vtx_count == 0)
if (draw_list->commands.back().idx_count == 0)
draw_list->commands.pop_back();
out_render_list.push_back(draw_list);
GImGui->IO.MetricsRenderVertices += (int)draw_list->vtx_buffer.size();
GImGui->IO.MetricsRenderIndices += (int)draw_list->idx_buffer.size();
}
}
@ -2207,7 +2208,7 @@ void ImGui::Render()
}
// Gather windows to render
g.IO.MetricsRenderVertices = 0;
g.IO.MetricsRenderVertices = g.IO.MetricsRenderIndices = 0;
for (size_t i = 0; i < IM_ARRAYSIZE(g.RenderDrawLists); i++)
g.RenderDrawLists[i].resize(0);
for (size_t i = 0; i != g.Windows.size(); i++)
@ -7590,6 +7591,9 @@ void ImDrawList::Clear()
commands.resize(0);
vtx_buffer.resize(0);
vtx_write = NULL;
vtx_current_idx = 0;
idx_buffer.resize(0);
idx_write = NULL;
clip_rect_stack.resize(0);
texture_id_stack.resize(0);
}
@ -7599,6 +7603,9 @@ void ImDrawList::ClearFreeMemory()
commands.clear();
vtx_buffer.clear();
vtx_write = NULL;
vtx_current_idx = 0;
idx_buffer.clear();
idx_write = NULL;
clip_rect_stack.clear();
texture_id_stack.clear();
}
@ -7606,7 +7613,7 @@ void ImDrawList::ClearFreeMemory()
void ImDrawList::AddDrawCmd()
{
ImDrawCmd draw_cmd;
draw_cmd.vtx_count = 0;
draw_cmd.idx_count = 0;
draw_cmd.clip_rect = clip_rect_stack.empty() ? GNullClipRect : clip_rect_stack.back();
draw_cmd.texture_id = texture_id_stack.empty() ? NULL : texture_id_stack.back();
draw_cmd.user_callback = NULL;
@ -7619,7 +7626,7 @@ void ImDrawList::AddDrawCmd()
void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
{
ImDrawCmd* current_cmd = commands.empty() ? NULL : &commands.back();
if (!current_cmd || current_cmd->vtx_count != 0 || current_cmd->user_callback != NULL)
if (!current_cmd || current_cmd->idx_count != 0 || current_cmd->user_callback != NULL)
{
AddDrawCmd();
current_cmd = &commands.back();
@ -7635,7 +7642,7 @@ void ImDrawList::AddCallback(ImDrawCallback callback, void* callback_data)
void ImDrawList::UpdateClipRect()
{
ImDrawCmd* current_cmd = commands.empty() ? NULL : &commands.back();
if (!current_cmd || (current_cmd->vtx_count != 0) || current_cmd->user_callback != NULL)
if (!current_cmd || (current_cmd->idx_count != 0) || current_cmd->user_callback != NULL)
{
AddDrawCmd();
}
@ -7675,7 +7682,7 @@ void ImDrawList::UpdateTextureID()
{
ImDrawCmd* current_cmd = commands.empty() ? NULL : &commands.back();
const ImTextureID texture_id = texture_id_stack.empty() ? NULL : texture_id_stack.back();
if (!current_cmd || (current_cmd->vtx_count != 0 && current_cmd->texture_id != texture_id) || current_cmd->user_callback != NULL)
if (!current_cmd || (current_cmd->idx_count != 0 && current_cmd->texture_id != texture_id) || current_cmd->user_callback != NULL)
{
AddDrawCmd();
}
@ -7698,23 +7705,30 @@ void ImDrawList::PopTextureID()
UpdateTextureID();
}
void ImDrawList::PrimReserve(unsigned int vtx_count)
void ImDrawList::PrimReserve(unsigned int idx_count, unsigned int vtx_count)
{
ImDrawCmd& draw_cmd = commands.back();
draw_cmd.vtx_count += vtx_count;
draw_cmd.idx_count += idx_count;
size_t vtx_buffer_size = vtx_buffer.size();
vtx_buffer.resize(vtx_buffer_size + vtx_count);
vtx_write = &vtx_buffer[vtx_buffer_size];
size_t idx_buffer_size = idx_buffer.size();
idx_buffer.resize(idx_buffer_size + idx_count);
idx_write = &idx_buffer[idx_buffer_size];
}
void ImDrawList::PrimTriangle(const ImVec2& a, const ImVec2& b, const ImVec2& c, ImU32 col)
{
const ImVec2 uv = GImGui->FontTexUvWhitePixel;
vtx_write[0].pos = a; vtx_write[0].uv = uv; vtx_write[0].col = col;
vtx_write[1].pos = b; vtx_write[1].uv = uv; vtx_write[1].col = col;
vtx_write[2].pos = c; vtx_write[2].uv = uv; vtx_write[2].col = col;
idx_write[0] = vtx_current_idx; idx_write[1] = vtx_current_idx+1; idx_write[2] = vtx_current_idx+2;
vtx_write[0].pos = a; vtx_write[0].uv = uv; vtx_write[0].col = col;
vtx_write[1].pos = b; vtx_write[1].uv = uv; vtx_write[1].col = col;
vtx_write[2].pos = c; vtx_write[2].uv = uv; vtx_write[2].col = col;
vtx_write += 3;
vtx_current_idx += 3;
idx_write += 3;
}
void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col)
@ -7722,13 +7736,15 @@ void ImDrawList::PrimRect(const ImVec2& a, const ImVec2& c, ImU32 col)
const ImVec2 uv = GImGui->FontTexUvWhitePixel;
const ImVec2 b(c.x, a.y);
const ImVec2 d(a.x, c.y);
vtx_write[0].pos = a; vtx_write[0].uv = uv; vtx_write[0].col = col;
vtx_write[1].pos = b; vtx_write[1].uv = uv; vtx_write[1].col = col;
vtx_write[2].pos = c; vtx_write[2].uv = uv; vtx_write[2].col = col;
vtx_write[3].pos = a; vtx_write[3].uv = uv; vtx_write[3].col = col;
vtx_write[4].pos = c; vtx_write[4].uv = uv; vtx_write[4].col = col;
vtx_write[5].pos = d; vtx_write[5].uv = uv; vtx_write[5].col = col;
vtx_write += 6;
idx_write[0] = vtx_current_idx; idx_write[1] = vtx_current_idx+1; idx_write[2] = vtx_current_idx+2;
idx_write[3] = vtx_current_idx; idx_write[4] = vtx_current_idx+2; idx_write[5] = vtx_current_idx+3;
vtx_write[0].pos = a; vtx_write[0].uv = uv; vtx_write[0].col = col;
vtx_write[1].pos = b; vtx_write[1].uv = uv; vtx_write[1].col = col;
vtx_write[2].pos = c; vtx_write[2].uv = uv; vtx_write[2].col = col;
vtx_write[3].pos = d; vtx_write[3].uv = uv; vtx_write[3].col = col;
vtx_write += 4;
vtx_current_idx += 4;
idx_write += 6;
}
void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a, const ImVec2& uv_c, ImU32 col)
@ -7737,25 +7753,29 @@ void ImDrawList::PrimRectUV(const ImVec2& a, const ImVec2& c, const ImVec2& uv_a
const ImVec2 d(a.x, c.y);
const ImVec2 uv_b(uv_c.x, uv_a.y);
const ImVec2 uv_d(uv_a.x, uv_c.y);
vtx_write[0].pos = a; vtx_write[0].uv = uv_a; vtx_write[0].col = col;
vtx_write[1].pos = b; vtx_write[1].uv = uv_b; vtx_write[1].col = col;
vtx_write[2].pos = c; vtx_write[2].uv = uv_c; vtx_write[2].col = col;
vtx_write[3].pos = a; vtx_write[3].uv = uv_a; vtx_write[3].col = col;
vtx_write[4].pos = c; vtx_write[4].uv = uv_c; vtx_write[4].col = col;
vtx_write[5].pos = d; vtx_write[5].uv = uv_d; vtx_write[5].col = col;
vtx_write += 6;
idx_write[0] = vtx_current_idx; idx_write[1] = vtx_current_idx+1; idx_write[2] = vtx_current_idx+2;
idx_write[3] = vtx_current_idx; idx_write[4] = vtx_current_idx+2; idx_write[5] = vtx_current_idx+3;
vtx_write[0].pos = a; vtx_write[0].uv = uv_a; vtx_write[0].col = col;
vtx_write[1].pos = b; vtx_write[1].uv = uv_b; vtx_write[1].col = col;
vtx_write[2].pos = c; vtx_write[2].uv = uv_c; vtx_write[2].col = col;
vtx_write[3].pos = d; vtx_write[3].uv = uv_d; vtx_write[3].col = col;
vtx_write += 4;
vtx_current_idx += 4;
idx_write += 6;
}
void ImDrawList::PrimQuad(const ImVec2& a, const ImVec2& b, const ImVec2& c, const ImVec2& d, ImU32 col)
{
const ImVec2 uv = GImGui->FontTexUvWhitePixel;
vtx_write[0].pos = a; vtx_write[0].uv = uv; vtx_write[0].col = col;
vtx_write[1].pos = b; vtx_write[1].uv = uv; vtx_write[1].col = col;
vtx_write[2].pos = c; vtx_write[2].uv = uv; vtx_write[2].col = col;
vtx_write[3].pos = a; vtx_write[3].uv = uv; vtx_write[3].col = col;
vtx_write[4].pos = c; vtx_write[4].uv = uv; vtx_write[4].col = col;
vtx_write[5].pos = d; vtx_write[5].uv = uv; vtx_write[5].col = col;
vtx_write += 6;
idx_write[0] = vtx_current_idx; idx_write[1] = vtx_current_idx+1; idx_write[2] = vtx_current_idx+2;
idx_write[3] = vtx_current_idx; idx_write[4] = vtx_current_idx+2; idx_write[5] = vtx_current_idx+3;
vtx_write[0].pos = a; vtx_write[0].uv = uv; vtx_write[0].col = col;
vtx_write[1].pos = b; vtx_write[1].uv = uv; vtx_write[1].col = col;
vtx_write[2].pos = c; vtx_write[2].uv = uv; vtx_write[2].col = col;
vtx_write[3].pos = d; vtx_write[3].uv = uv; vtx_write[3].col = col;
vtx_write += 4;
vtx_current_idx += 4;
idx_write += 6;
}
// FIXME-OPT: In many instances the caller could provide a normal.
@ -7774,7 +7794,7 @@ void ImDrawList::AddLine(const ImVec2& a, const ImVec2& b, ImU32 col, float thic
if ((col >> 24) == 0)
return;
PrimReserve(6);
PrimReserve(6, 4);
PrimLine(a, b, col, thickness);
}
@ -7796,27 +7816,31 @@ void ImDrawList::AddArcFast(const ImVec2& center, float radius, ImU32 col, int a
}
circle_vtx_builds = true;
}
const ImVec2 uv = GImGui->FontTexUvWhitePixel;
if (filled)
{
PrimReserve((unsigned int)(a_max-a_min) * 3);
for (int a0 = a_min; a0 < a_max; a0++)
PrimReserve((unsigned int)(a_max-a_min) * 3, (unsigned int)(a_max-a_min+1) + 1);
ImDrawIdx idx = vtx_current_idx;
for (int a = 0; a < a_max - a_min; a++)
{
int a1 = (a0 + 1 == SAMPLES) ? 0 : a0 + 1;
PrimVtx(center + circle_vtx[a0] * radius, uv, col);
PrimVtx(center + circle_vtx[a1] * radius, uv, col);
PrimVtx(center + third_point_offset, uv, col);
PrimIdx(idx + 1 + a);
PrimIdx(idx + 1 + a + 1);
PrimIdx(idx);
}
const ImVec2 uv = GImGui->FontTexUvWhitePixel;
PrimVtx(center + third_point_offset, uv, col);
for (int a = a_min; a < a_max+1; a++)
PrimVtx(center + circle_vtx[(a >= SAMPLES) ? a - SAMPLES : a] * radius, uv, col);
}
else
{
PrimReserve((unsigned int)(a_max-a_min) * 6);
// FIXME-OPT: Wasting vertices.
PrimReserve((unsigned int)(a_max-a_min) * 6, (unsigned int)(a_max-a_min) * 4);
for (int a0 = a_min; a0 < a_max; a0++)
{
{
int a1 = (a0 + 1 == SAMPLES) ? 0 : a0 + 1;
PrimLine(center + circle_vtx[a0] * radius, center + circle_vtx[a1] * radius, col);
}
}
}
}
@ -7831,7 +7855,7 @@ void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float roun
if (r == 0.0f || rounding_corners == 0)
{
PrimReserve(4*6);
PrimReserve(6*4, 4*4);
PrimLine(ImVec2(a.x,a.y), ImVec2(b.x,a.y), col);
PrimLine(ImVec2(b.x,a.y), ImVec2(b.x,b.y), col);
PrimLine(ImVec2(b.x,b.y), ImVec2(a.x,b.y), col);
@ -7839,7 +7863,7 @@ void ImDrawList::AddRect(const ImVec2& a, const ImVec2& b, ImU32 col, float roun
}
else
{
PrimReserve(4*6);
PrimReserve(6*4, 4*4);
PrimLine(ImVec2(a.x + ((rounding_corners & 1)?r:0), a.y), ImVec2(b.x - ((rounding_corners & 2)?r:0), a.y), col);
PrimLine(ImVec2(b.x, a.y + ((rounding_corners & 2)?r:0)), ImVec2(b.x, b.y - ((rounding_corners & 4)?r:0)), col);
PrimLine(ImVec2(b.x - ((rounding_corners & 4)?r:0), b.y), ImVec2(a.x + ((rounding_corners & 8)?r:0), b.y), col);
@ -7861,16 +7885,15 @@ void ImDrawList::AddRectFilled(const ImVec2& a, const ImVec2& b, ImU32 col, floa
r = ImMin(r, fabsf(b.x-a.x) * ( ((rounding_corners&(1|2))==(1|2)) || ((rounding_corners&(4|8))==(4|8)) ? 0.5f : 1.0f ));
r = ImMin(r, fabsf(b.y-a.y) * ( ((rounding_corners&(1|8))==(1|8)) || ((rounding_corners&(2|4))==(2|4)) ? 0.5f : 1.0f ));
const ImVec2 uv = GImGui->FontTexUvWhitePixel;
if (r == 0.0f || rounding_corners == 0)
{
// Use triangle so we can merge more draw calls together (at the cost of extra vertices)
PrimReserve(6);
PrimReserve(6, 4);
PrimRect(a, b, col);
}
else
{
PrimReserve(6+6*2);
PrimReserve(6*3, 4*3);
PrimRect(ImVec2(a.x+r,a.y), ImVec2(b.x-r,b.y), col);
float top_y = (rounding_corners & 1) ? a.y+r : a.y;
@ -7893,7 +7916,7 @@ void ImDrawList::AddTriangleFilled(const ImVec2& a, const ImVec2& b, const ImVec
if ((col >> 24) == 0)
return;
PrimReserve(3);
PrimReserve(3, 3);
PrimTriangle(a, b, c, col);
}
@ -7902,14 +7925,18 @@ void ImDrawList::AddCircle(const ImVec2& centre, float radius, ImU32 col, int nu
if ((col >> 24) == 0)
return;
PrimReserve((unsigned int)num_segments*6);
PrimReserve(num_segments * 6, num_segments * 4);
const float a_step = 2*PI/(float)num_segments;
float a0 = 0.0f;
ImVec2 p0 = centre + ImVec2(cosf(a0), sinf(a0)) * radius;
for (int i = 0; i < num_segments; i++)
{
const float a1 = (i + 1) == num_segments ? 0.0f : a0 + a_step;
PrimLine(centre + ImVec2(cosf(a0), sinf(a0))*radius, centre + ImVec2(cosf(a1), sinf(a1))*radius, col);
const ImVec2 p1 = centre + ImVec2(cosf(a1), sinf(a1)) * radius;
PrimLine(p0, p1, col);
a0 = a1;
p0 = p1;
}
}
@ -7919,16 +7946,18 @@ void ImDrawList::AddCircleFilled(const ImVec2& centre, float radius, ImU32 col,
return;
const ImVec2 uv = GImGui->FontTexUvWhitePixel;
PrimReserve((unsigned int)num_segments*3);
const ImDrawIdx idx = vtx_current_idx;
PrimReserve((unsigned int)(num_segments*3), (unsigned int)(1 + num_segments));
const float a_step = 2*PI/(float)num_segments;
float a0 = 0.0f;
for (int i = 0; i < num_segments; i++)
PrimVtx(centre, uv, col);
for (int i = 0; i < num_segments; i++, a0 += a_step)
{
const float a1 = (i + 1) == num_segments ? 0.0f : a0 + a_step;
PrimVtx(centre + ImVec2(cosf(a0), sinf(a0))*radius, uv, col);
PrimVtx(centre + ImVec2(cosf(a1), sinf(a1))*radius, uv, col);
PrimVtx(centre, uv, col);
a0 = a1;
PrimVtx(centre + ImVec2(cosf(a0), sinf(a0)) * radius, uv, col);
PrimIdx(idx);
PrimIdx(idx + 1 + i);
PrimIdx(idx + 1 + ((i + 1 == num_segments) ? 0 : i + 1));
}
}
@ -7946,17 +7975,24 @@ void ImDrawList::AddText(const ImFont* font, float font_size, const ImVec2& pos,
// reserve vertices for worse case
const unsigned int char_count = (unsigned int)(text_end - text_begin);
const unsigned int vtx_count_max = char_count * 6;
const unsigned int vtx_count_max = char_count * 4;
const unsigned int idx_count_max = char_count * 6;
const size_t vtx_begin = vtx_buffer.size();
PrimReserve(vtx_count_max);
const size_t idx_begin = idx_buffer.size();
PrimReserve(idx_count_max, vtx_count_max);
font->RenderText(font_size, pos, col, clip_rect_stack.back(), text_begin, text_end, this, wrap_width, cpu_clip_max);
// give back unused vertices
// FIXME-OPT
vtx_buffer.resize((size_t)(vtx_write - &vtx_buffer.front()));
const size_t vtx_count = vtx_buffer.size() - vtx_begin;
commands.back().vtx_count -= (unsigned int)(vtx_count_max - vtx_count);
vtx_write -= (vtx_count_max - vtx_count);
idx_buffer.resize((size_t)(idx_write - &idx_buffer.front()));
unsigned int vtx_unused = vtx_count_max - (unsigned int)(vtx_buffer.size() - vtx_begin);
unsigned int idx_unused = idx_count_max - (unsigned int)(idx_buffer.size() - idx_begin);
commands.back().idx_count -= idx_unused;
vtx_write -= vtx_unused;
idx_write -= idx_unused;
vtx_current_idx = (ImDrawIdx)vtx_buffer.size();
}
void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& a, const ImVec2& b, const ImVec2& uv0, const ImVec2& uv1, ImU32 col)
@ -7969,7 +8005,7 @@ void ImDrawList::AddImage(ImTextureID user_texture_id, const ImVec2& a, const Im
if (push_texture_id)
PushTextureID(user_texture_id);
PrimReserve(6);
PrimReserve(6, 4);
PrimRectUV(a, b, uv0, uv1, col);
if (push_texture_id)
@ -9010,7 +9046,9 @@ void ImFont::RenderText(float size, ImVec2 pos, ImU32 col, const ImVec4& clip_re
float x = pos.x;
float y = pos.y;
ImDrawVert* out_vertices = draw_list->vtx_write;
ImDrawVert* vtx_write = draw_list->vtx_write;
ImDrawIdx vtx_current_idx = draw_list->vtx_current_idx;
ImDrawIdx* idx_write = draw_list->idx_write;
const char* s = text_begin;
while (s < text_end)
@ -9100,26 +9138,18 @@ void ImFont::RenderText(float size, ImVec2 pos, ImU32 col, const ImVec4& clip_re
}
// NB: we are not calling PrimRectUV() here because non-inlined causes too much overhead in a debug build.
out_vertices[0].pos = ImVec2(x1, y1);
out_vertices[0].uv = ImVec2(u1, v1);
out_vertices[0].col = col;
out_vertices[1].pos = ImVec2(x2, y1);
out_vertices[1].uv = ImVec2(u2, v1);
out_vertices[1].col = col;
out_vertices[2].pos = ImVec2(x2, y2);
out_vertices[2].uv = ImVec2(u2, v2);
out_vertices[2].col = col;
out_vertices[3] = out_vertices[0];
out_vertices[4] = out_vertices[2];
out_vertices[5].pos = ImVec2(x1, y2);
out_vertices[5].uv = ImVec2(u1, v2);
out_vertices[5].col = col;
out_vertices += 6;
// inlined:
{
idx_write[0] = vtx_current_idx; idx_write[1] = vtx_current_idx+1; idx_write[2] = vtx_current_idx+2;
idx_write[3] = vtx_current_idx; idx_write[4] = vtx_current_idx+2; idx_write[5] = vtx_current_idx+3;
vtx_write[0].pos.x = x1; vtx_write[0].pos.y = y1; vtx_write[0].col = col; vtx_write[0].uv.x = u1; vtx_write[0].uv.y = v1;
vtx_write[1].pos.x = x2; vtx_write[1].pos.y = y1; vtx_write[1].col = col; vtx_write[1].uv.x = u2; vtx_write[1].uv.y = v1;
vtx_write[2].pos.x = x2; vtx_write[2].pos.y = y2; vtx_write[2].col = col; vtx_write[2].uv.x = u2; vtx_write[2].uv.y = v2;
vtx_write[3].pos.x = x1; vtx_write[3].pos.y = y2; vtx_write[3].col = col; vtx_write[3].uv.x = u1; vtx_write[3].uv.y = v2;
vtx_write += 4;
vtx_current_idx += 4;
idx_write += 6;
}
}
}
}
@ -9128,7 +9158,9 @@ void ImFont::RenderText(float size, ImVec2 pos, ImU32 col, const ImVec4& clip_re
x += char_width;
}
draw_list->vtx_write = out_vertices;
draw_list->vtx_write = vtx_write;
draw_list->vtx_current_idx = vtx_current_idx;
draw_list->idx_write = idx_write;
}
//-----------------------------------------------------------------------------
@ -10410,14 +10442,14 @@ void ImGui::ShowMetricsWindow(bool* opened)
{
ImGui::Text("ImGui %s", ImGui::GetVersion());
ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / ImGui::GetIO().Framerate, ImGui::GetIO().Framerate);
ImGui::Text("%d vertices", ImGui::GetIO().MetricsRenderVertices);
ImGui::Text("%d vertices, %d triangles", ImGui::GetIO().MetricsRenderVertices, ImGui::GetIO().MetricsRenderIndices / 3);
ImGui::Separator();
struct Funcs
{
static void NodeDrawList(ImDrawList* draw_list, const char* label)
{
bool opened = ImGui::TreeNode(draw_list, "%s: %d vtx, %d cmds", label, draw_list->vtx_buffer.size(), draw_list->commands.size());
bool opened = ImGui::TreeNode(draw_list, "%s: %d vtx, %d indices, %d cmds", label, draw_list->vtx_buffer.size(), draw_list->idx_buffer.size(), draw_list->commands.size());
if (draw_list == ImGui::GetWindowDrawList())
{
ImGui::SameLine();
@ -10429,7 +10461,7 @@ void ImGui::ShowMetricsWindow(bool* opened)
if (pcmd->user_callback)
ImGui::BulletText("Callback %p, user_data %p", pcmd->user_callback, pcmd->user_callback_data);
else
ImGui::BulletText("Draw %d vtx, tex = %p", pcmd->vtx_count, pcmd->texture_id);
ImGui::BulletText("Draw %d indexed vtx, tex = %p", pcmd->idx_count, pcmd->texture_id);
ImGui::TreePop();
}