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Simplified ImDrawList system (samples are 20 lines shorter) + merged title bar draw bar.

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This commit is contained in:
ocornut
2014-08-13 11:34:08 +01:00
parent 57ac561ecb
commit ddc7f8b0b0
4 changed files with 78 additions and 110 deletions
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29
examples/directx9_example/main.cpp
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@ -86,36 +86,15 @@ static void ImImpl_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_c
int vtx_offset = 0;
for (int n = 0; n < cmd_lists_count; n++)
{
// Setup stack of clipping rectangles
int clip_rect_buf_offset = 0;
ImVector<ImVec4> clip_rect_stack;
clip_rect_stack.push_back(ImVec4(-9999,-9999,+9999,+9999));
// Render command list
const ImDrawList* cmd_list = cmd_lists[n];
const ImDrawCmd* pcmd_end = cmd_list->commands.end();
for (const ImDrawCmd* pcmd = cmd_list->commands.begin(); pcmd != pcmd_end; pcmd++)
{
switch (pcmd->cmd_type)
{
case ImDrawCmdType_DrawTriangleList:
{
const ImVec4& clip_rect = clip_rect_stack.back();
const RECT r = { (LONG)clip_rect.x, (LONG)clip_rect.y, (LONG)clip_rect.z, (LONG)clip_rect.w };
g_pd3dDevice->SetScissorRect(&r);
g_pd3dDevice->DrawPrimitive(D3DPT_TRIANGLELIST, vtx_offset, pcmd->vtx_count/3);
vtx_offset += pcmd->vtx_count;
}
break;
case ImDrawCmdType_PushClipRect:
clip_rect_stack.push_back(cmd_list->clip_rect_buffer[clip_rect_buf_offset++]);
break;
case ImDrawCmdType_PopClipRect:
clip_rect_stack.pop_back();
break;
}
const RECT r = { (LONG)pcmd->clip_rect.x, (LONG)pcmd->clip_rect.y, (LONG)pcmd->clip_rect.z, (LONG)pcmd->clip_rect.w };
g_pd3dDevice->SetScissorRect(&r);
g_pd3dDevice->DrawPrimitive(D3DPT_TRIANGLELIST, vtx_offset, pcmd->vtx_count/3);
vtx_offset += pcmd->vtx_count;
}
}
}

25
examples/opengl_example/main.cpp
View File

@ -68,32 +68,13 @@ static void ImImpl_RenderDrawLists(ImDrawList** const cmd_lists, int cmd_lists_c
int vtx_offset = 0;
for (int n = 0; n < cmd_lists_count; n++)
{
// Setup stack of clipping rectangles
int clip_rect_buf_offset = 0;
ImVector<ImVec4> clip_rect_stack;
clip_rect_stack.push_back(ImVec4(-9999,-9999,+9999,+9999));
// Render command list
const ImDrawList* cmd_list = cmd_lists[n];
const ImDrawCmd* pcmd_end = cmd_list->commands.end();
for (const ImDrawCmd* pcmd = cmd_list->commands.begin(); pcmd != pcmd_end; pcmd++)
{
switch (pcmd->cmd_type)
{
case ImDrawCmdType_DrawTriangleList:
glUniform4fv(uniClipRect, 1, (float*)&clip_rect_stack.back());
glDrawArrays(GL_TRIANGLES, vtx_offset, pcmd->vtx_count);
vtx_offset += pcmd->vtx_count;
break;
case ImDrawCmdType_PushClipRect:
clip_rect_stack.push_back(cmd_list->clip_rect_buffer[clip_rect_buf_offset++]);
break;
case ImDrawCmdType_PopClipRect:
clip_rect_stack.pop_back();
break;
}
glUniform4fv(uniClipRect, 1, (float*)&pcmd->clip_rect);
glDrawArrays(GL_TRIANGLES, vtx_offset, pcmd->vtx_count);
vtx_offset += pcmd->vtx_count;
}
}