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AA branch: more optimisations.

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docking
ocornut 9 years ago
parent a8f0eb5ec6
commit 4bb94a9e4d
2 changed files with 16 additions and 16 deletions
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30
imgui.cpp
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@ -8955,8 +8955,8 @@ 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);
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;
idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2);
idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(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;
@ -9022,8 +9022,8 @@ void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32
const int idx_count = count*12;
const int vtx_count = points_count*3;
PrimReserve(idx_count, vtx_count);
ImDrawIdx vtx_inner_idx = vtx_current_idx+1;
ImDrawIdx vtx_outer_idx = vtx_current_idx+2;
unsigned int vtx_inner_idx = vtx_current_idx+1;
unsigned int vtx_outer_idx = vtx_current_idx+2;
for (int i = 0; i < count; i++)
{
@ -9093,8 +9093,8 @@ void ImDrawList::AddPolyline(const ImVec2* points, const int points_count, ImU32
vtx_write[3].pos = pd; vtx_write[3].uv = uv; vtx_write[3].col = col;
vtx_write += 4;
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;
idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2);
idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(vtx_current_idx+3);
idx_write += 6;
vtx_current_idx += 4;
}
@ -9115,13 +9115,13 @@ void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_coun
GTempPolyData.resize(points_count);
ImVec2* temp_normals = &GTempPolyData[0];
for (int i = 0, j = points_count-1; i < points_count; j=i++)
for (int i = 0, j = points_count-1; i < points_count; j = i++)
{
const ImVec2& v0 = points[j];
const ImVec2& v1 = points[i];
ImVec2 diff = v1 - v0;
float d = ImLengthSqr(diff);
if (d > 0)
if (d > 0.0f)
diff *= 1.0f/sqrtf(d);
temp_normals[j].x = diff.y;
temp_normals[j].y = -diff.x;
@ -9133,15 +9133,15 @@ void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_coun
PrimReserve(idx_count, vtx_count);
// Add indexes for fill
ImDrawIdx vtx_inner_idx = vtx_current_idx;
ImDrawIdx vtx_outer_idx = vtx_current_idx+1;
unsigned int vtx_inner_idx = vtx_current_idx;
unsigned int vtx_outer_idx = vtx_current_idx+1;
for (int i = 2; i < points_count; i++)
{
idx_write[0] = (ImDrawIdx)(vtx_inner_idx); idx_write[1] = (ImDrawIdx)(vtx_inner_idx+((i-1)<<1)); idx_write[2] = (ImDrawIdx)(vtx_inner_idx+(i<<1));
idx_write += 3;
}
for (int i = 0, j = points_count-1; i < points_count; j=i++)
for (int i = 0, j = points_count-1; i < points_count; j = i++)
{
const ImVec2& dl0 = temp_normals[j];
const ImVec2& dl1 = temp_normals[i];
@ -9180,7 +9180,7 @@ void ImDrawList::AddConvexPolyFilled(const ImVec2* points, const int points_coun
}
for (int i = 2; i < points_count; i++)
{
idx_write[0] = vtx_current_idx; idx_write[1] = (ImDrawIdx)(vtx_current_idx+i-1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+i);
idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+i-1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+i);
idx_write += 3;
}
vtx_current_idx += (ImDrawIdx)vtx_count;
@ -10398,8 +10398,8 @@ void ImFont::RenderText(float size, ImVec2 pos, ImU32 col, const ImVec4& clip_re
const char* word_wrap_eol = NULL;
ImDrawVert* vtx_write = draw_list->vtx_write;
ImDrawIdx vtx_current_idx = draw_list->vtx_current_idx;
ImDrawIdx* idx_write = draw_list->idx_write;
unsigned int vtx_current_idx = draw_list->vtx_current_idx;
const char* s = text_begin;
if (!word_wrap_enabled && y + line_height < clip_rect.y)
@ -10515,8 +10515,8 @@ 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.
// 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;
idx_write[0] = (ImDrawIdx)(vtx_current_idx); idx_write[1] = (ImDrawIdx)(vtx_current_idx+1); idx_write[2] = (ImDrawIdx)(vtx_current_idx+2);
idx_write[3] = (ImDrawIdx)(vtx_current_idx); idx_write[4] = (ImDrawIdx)(vtx_current_idx+2); idx_write[5] = (ImDrawIdx)(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;

2
imgui.h
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@ -1024,7 +1024,7 @@ struct ImDrawList
ImVector<ImTextureID> texture_id_stack; // [Internal]
ImVector<ImVec2> path; // [Internal]
ImDrawVert* vtx_write; // [Internal] point within vtx_buffer after each add command (to avoid using the ImVector<> operators too much)
ImDrawIdx vtx_current_idx; // [Internal] == vtx_buffer.size()
unsigned int vtx_current_idx; // [Internal] == vtx_buffer.size()
ImDrawIdx* idx_write; // [Internal] point within idx_buffer after each add command (to avoid using the ImVector<> operators too much)
ImDrawList() { Clear(); }

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