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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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10
examples/allegro5_example/imgui_impl_a5.cpp
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@ -46,8 +46,8 @@ void ImGui_ImplA5_RenderDrawLists(ImDrawData* draw_data)
// FIXME-OPT: Unfortunately Allegro doesn't support 32-bits packed colors so we have to convert them to 4 floats
static ImVector<ImDrawVertAllegro> vertices;
vertices.resize(cmd_list->VtxBuffer.size());
for (int i = 0; i < cmd_list->VtxBuffer.size(); ++i)
vertices.resize(cmd_list->VtxBuffer.Size);
for (int i = 0; i < cmd_list->VtxBuffer.Size; ++i)
{
const ImDrawVert &dv = cmd_list->VtxBuffer[i];
ImDrawVertAllegro v;
@ -61,12 +61,12 @@ void ImGui_ImplA5_RenderDrawLists(ImDrawData* draw_data)
// FIXME-OPT: Unfortunately Allegro doesn't support 16-bit indices
// You can also use '#define ImDrawIdx unsigned int' in imconfig.h and request ImGui to output 32-bit indices
static ImVector<int> indices;
indices.resize(cmd_list->IdxBuffer.size());
for (int i = 0; i < cmd_list->IdxBuffer.size(); ++i)
indices.resize(cmd_list->IdxBuffer.Size);
for (int i = 0; i < cmd_list->IdxBuffer.Size; ++i)
indices[i] = (int)cmd_list->IdxBuffer.Data[i];
int idx_offset = 0;
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.size(); cmd_i++)
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)

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);

12
examples/directx10_example/imgui_impl_dx10.cpp
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@ -87,10 +87,10 @@ void ImGui_ImplDX10_RenderDrawLists(ImDrawData* draw_data)
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
memcpy(vtx_dst, &cmd_list->VtxBuffer[0], cmd_list->VtxBuffer.size() * sizeof(ImDrawVert));
memcpy(idx_dst, &cmd_list->IdxBuffer[0], cmd_list->IdxBuffer.size() * sizeof(ImDrawIdx));
vtx_dst += cmd_list->VtxBuffer.size();
idx_dst += cmd_list->IdxBuffer.size();
memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert));
memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx));
vtx_dst += cmd_list->VtxBuffer.Size;
idx_dst += cmd_list->IdxBuffer.Size;
}
g_pVB->Unmap();
g_pIB->Unmap();
@ -189,7 +189,7 @@ void ImGui_ImplDX10_RenderDrawLists(ImDrawData* draw_data)
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.size(); cmd_i++)
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)
@ -205,7 +205,7 @@ void ImGui_ImplDX10_RenderDrawLists(ImDrawData* draw_data)
}
idx_offset += pcmd->ElemCount;
}
vtx_offset += cmd_list->VtxBuffer.size();
vtx_offset += cmd_list->VtxBuffer.Size;
}
// Restore modified DX state

12
examples/directx11_example/imgui_impl_dx11.cpp
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@ -89,10 +89,10 @@ void ImGui_ImplDX11_RenderDrawLists(ImDrawData* draw_data)
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
memcpy(vtx_dst, &cmd_list->VtxBuffer[0], cmd_list->VtxBuffer.size() * sizeof(ImDrawVert));
memcpy(idx_dst, &cmd_list->IdxBuffer[0], cmd_list->IdxBuffer.size() * sizeof(ImDrawIdx));
vtx_dst += cmd_list->VtxBuffer.size();
idx_dst += cmd_list->IdxBuffer.size();
memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert));
memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx));
vtx_dst += cmd_list->VtxBuffer.Size;
idx_dst += cmd_list->IdxBuffer.Size;
}
ctx->Unmap(g_pVB, 0);
ctx->Unmap(g_pIB, 0);
@ -194,7 +194,7 @@ void ImGui_ImplDX11_RenderDrawLists(ImDrawData* draw_data)
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.size(); cmd_i++)
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)
@ -210,7 +210,7 @@ void ImGui_ImplDX11_RenderDrawLists(ImDrawData* draw_data)
}
idx_offset += pcmd->ElemCount;
}
vtx_offset += cmd_list->VtxBuffer.size();
vtx_offset += cmd_list->VtxBuffer.Size;
}
// Restore modified DX state

14
examples/directx9_example/imgui_impl_dx9.cpp
View File

@ -73,8 +73,8 @@ void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
const ImDrawVert* vtx_src = &cmd_list->VtxBuffer[0];
for (int i = 0; i < cmd_list->VtxBuffer.size(); i++)
const ImDrawVert* vtx_src = cmd_list->VtxBuffer.Data;
for (int i = 0; i < cmd_list->VtxBuffer.Size; i++)
{
vtx_dst->pos[0] = vtx_src->pos.x;
vtx_dst->pos[1] = vtx_src->pos.y;
@ -85,8 +85,8 @@ void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
vtx_dst++;
vtx_src++;
}
memcpy(idx_dst, &cmd_list->IdxBuffer[0], cmd_list->IdxBuffer.size() * sizeof(ImDrawIdx));
idx_dst += cmd_list->IdxBuffer.size();
memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx));
idx_dst += cmd_list->IdxBuffer.Size;
}
g_pVB->Unlock();
g_pIB->Unlock();
@ -138,7 +138,7 @@ void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.size(); cmd_i++)
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)
@ -150,11 +150,11 @@ void ImGui_ImplDX9_RenderDrawLists(ImDrawData* draw_data)
const RECT r = { (LONG)pcmd->ClipRect.x, (LONG)pcmd->ClipRect.y, (LONG)pcmd->ClipRect.z, (LONG)pcmd->ClipRect.w };
g_pd3dDevice->SetTexture(0, (LPDIRECT3DTEXTURE9)pcmd->TextureId);
g_pd3dDevice->SetScissorRect(&r);
g_pd3dDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, vtx_offset, 0, (UINT)cmd_list->VtxBuffer.size(), idx_offset, pcmd->ElemCount/3);
g_pd3dDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, vtx_offset, 0, (UINT)cmd_list->VtxBuffer.Size, idx_offset, pcmd->ElemCount/3);
}
idx_offset += pcmd->ElemCount;
}
vtx_offset += cmd_list->VtxBuffer.size();
vtx_offset += cmd_list->VtxBuffer.Size;
}
// Restore the DX9 state

7
examples/marmalade_example/imgui_impl_marmalade.cpp
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@ -40,9 +40,8 @@ void ImGui_Marmalade_RenderDrawLists(ImDrawData* draw_data)
for(int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
const unsigned char* vtx_buffer = (const unsigned char*)&cmd_list->VtxBuffer.front();
const ImDrawIdx* idx_buffer = &cmd_list->IdxBuffer.front();
int nVert = cmd_list->VtxBuffer.size();
const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data;
const int nVert = cmd_list->VtxBuffer.Size;
CIwFVec2* pVertStream = IW_GX_ALLOC(CIwFVec2, nVert);
CIwFVec2* pUVStream = IW_GX_ALLOC(CIwFVec2, nVert);
CIwColour* pColStream = IW_GX_ALLOC(CIwColour, nVert);
@ -62,7 +61,7 @@ void ImGui_Marmalade_RenderDrawLists(ImDrawData* draw_data)
IwGxSetColStream(pColStream, nVert);
IwGxSetNormStream(0);
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.size(); cmd_i++)
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)

12
examples/opengl2_example/imgui_impl_glfw.cpp
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@ -73,13 +73,13 @@ void ImGui_ImplGlfw_RenderDrawLists(ImDrawData* draw_data)
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
const unsigned char* vtx_buffer = (const unsigned char*)&cmd_list->VtxBuffer.front();
const ImDrawIdx* idx_buffer = &cmd_list->IdxBuffer.front();
glVertexPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)(vtx_buffer + OFFSETOF(ImDrawVert, pos)));
glTexCoordPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)(vtx_buffer + OFFSETOF(ImDrawVert, uv)));
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(ImDrawVert), (void*)(vtx_buffer + OFFSETOF(ImDrawVert, col)));
const ImDrawVert* vtx_buffer = cmd_list->VtxBuffer.Data;
const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data;
glVertexPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)((char*)vtx_buffer + OFFSETOF(ImDrawVert, pos)));
glTexCoordPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)((char*)vtx_buffer + OFFSETOF(ImDrawVert, uv)));
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(ImDrawVert), (void*)((char*)vtx_buffer + OFFSETOF(ImDrawVert, col)));
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.size(); cmd_i++)
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)

7
examples/opengl3_example/imgui_impl_glfw_gl3.cpp
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@ -89,13 +89,14 @@ void ImGui_ImplGlfwGL3_RenderDrawLists(ImDrawData* draw_data)
const ImDrawIdx* idx_buffer_offset = 0;
glBindBuffer(GL_ARRAY_BUFFER, g_VboHandle);
glBufferData(GL_ARRAY_BUFFER, (GLsizeiptr)cmd_list->VtxBuffer.size() * sizeof(ImDrawVert), (GLvoid*)&cmd_list->VtxBuffer.front(), GL_STREAM_DRAW);
glBufferData(GL_ARRAY_BUFFER, (GLsizeiptr)cmd_list->VtxBuffer.Size * sizeof(ImDrawVert), (GLvoid*)cmd_list->VtxBuffer.Data, GL_STREAM_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, g_ElementsHandle);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, (GLsizeiptr)cmd_list->IdxBuffer.size() * sizeof(ImDrawIdx), (GLvoid*)&cmd_list->IdxBuffer.front(), GL_STREAM_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, (GLsizeiptr)cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx), (GLvoid*)cmd_list->IdxBuffer.Data, GL_STREAM_DRAW);
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);

12
examples/sdl_opengl2_example/imgui_impl_sdl.cpp
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@ -62,13 +62,13 @@ void ImGui_ImplSdl_RenderDrawLists(ImDrawData* draw_data)
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
const unsigned char* vtx_buffer = (const unsigned char*)&cmd_list->VtxBuffer.front();
const ImDrawIdx* idx_buffer = &cmd_list->IdxBuffer.front();
glVertexPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)(vtx_buffer + OFFSETOF(ImDrawVert, pos)));
glTexCoordPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)(vtx_buffer + OFFSETOF(ImDrawVert, uv)));
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(ImDrawVert), (void*)(vtx_buffer + OFFSETOF(ImDrawVert, col)));
const ImDrawVert* vtx_buffer = cmd_list->VtxBuffer.Data;
const ImDrawIdx* idx_buffer = cmd_list->IdxBuffer.Data;
glVertexPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)((char*)vtx_buffer + OFFSETOF(ImDrawVert, pos)));
glTexCoordPointer(2, GL_FLOAT, sizeof(ImDrawVert), (void*)((char*)vtx_buffer + OFFSETOF(ImDrawVert, uv)));
glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(ImDrawVert), (void*)((char*)vtx_buffer + OFFSETOF(ImDrawVert, col)));
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.size(); cmd_i++)
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)

7
examples/sdl_opengl3_example/imgui_impl_sdl_gl3.cpp
View File

@ -83,13 +83,14 @@ void ImGui_ImplSdlGL3_RenderDrawLists(ImDrawData* draw_data)
const ImDrawIdx* idx_buffer_offset = 0;
glBindBuffer(GL_ARRAY_BUFFER, g_VboHandle);
glBufferData(GL_ARRAY_BUFFER, (GLsizeiptr)cmd_list->VtxBuffer.size() * sizeof(ImDrawVert), (GLvoid*)&cmd_list->VtxBuffer.front(), GL_STREAM_DRAW);
glBufferData(GL_ARRAY_BUFFER, (GLsizeiptr)cmd_list->VtxBuffer.Size * sizeof(ImDrawVert), (GLvoid*)cmd_list->VtxBuffer.Data, GL_STREAM_DRAW);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, g_ElementsHandle);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, (GLsizeiptr)cmd_list->IdxBuffer.size() * sizeof(ImDrawIdx), (GLvoid*)&cmd_list->IdxBuffer.front(), GL_STREAM_DRAW);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, (GLsizeiptr)cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx), (GLvoid*)cmd_list->IdxBuffer.Data, GL_STREAM_DRAW);
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);

12
examples/vulkan_example/imgui_impl_glfw_vulkan.cpp
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@ -315,10 +315,10 @@ void ImGui_ImplGlfwVulkan_RenderDrawLists(ImDrawData* draw_data)
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
memcpy(vtx_dst, &cmd_list->VtxBuffer[0], cmd_list->VtxBuffer.size() * sizeof(ImDrawVert));
memcpy(idx_dst, &cmd_list->IdxBuffer[0], cmd_list->IdxBuffer.size() * sizeof(ImDrawIdx));
vtx_dst += cmd_list->VtxBuffer.size();
idx_dst += cmd_list->IdxBuffer.size();
memcpy(vtx_dst, cmd_list->VtxBuffer.Data, cmd_list->VtxBuffer.Size * sizeof(ImDrawVert));
memcpy(idx_dst, cmd_list->IdxBuffer.Data, cmd_list->IdxBuffer.Size * sizeof(ImDrawIdx));
vtx_dst += cmd_list->VtxBuffer.Size;
idx_dst += cmd_list->IdxBuffer.Size;
}
VkMappedMemoryRange range[2] = {};
range[0].sType = VK_STRUCTURE_TYPE_MAPPED_MEMORY_RANGE;
@ -378,7 +378,7 @@ void ImGui_ImplGlfwVulkan_RenderDrawLists(ImDrawData* draw_data)
for (int n = 0; n < draw_data->CmdListsCount; n++)
{
const ImDrawList* cmd_list = draw_data->CmdLists[n];
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.size(); cmd_i++)
for (int cmd_i = 0; cmd_i < cmd_list->CmdBuffer.Size; cmd_i++)
{
const ImDrawCmd* pcmd = &cmd_list->CmdBuffer[cmd_i];
if (pcmd->UserCallback)
@ -397,7 +397,7 @@ void ImGui_ImplGlfwVulkan_RenderDrawLists(ImDrawData* draw_data)
}
idx_offset += pcmd->ElemCount;
}
vtx_offset += cmd_list->VtxBuffer.size();
vtx_offset += cmd_list->VtxBuffer.Size;
}
}