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Backends: Replace direct access to TextureId with GetTexID() call in ImDrawCmd. (#3761)

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thedmd 2021-02-07 12:36:54 +01:00 committed by ocornut
parent e7e170c534
commit 3c72e5142b
14 changed files with 42 additions and 17 deletions
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3
backends/imgui_impl_allegro5.cpp
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@ -15,6 +15,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-05-19: Renderer: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
// 2021-02-18: Change blending equation to preserve alpha in output buffer.
// 2020-08-10: Inputs: Fixed horizontal mouse wheel direction.
// 2019-12-05: Inputs: Added support for ImGuiMouseCursor_NotAllowed mouse cursor.
@ -157,7 +158,7 @@ void ImGui_ImplAllegro5_RenderDrawData(ImDrawData* draw_data)
else
{
// Draw
ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->TextureId;
ALLEGRO_BITMAP* texture = (ALLEGRO_BITMAP*)pcmd->GetTexID();
al_set_clipping_rectangle(pcmd->ClipRect.x - clip_off.x, pcmd->ClipRect.y - clip_off.y, pcmd->ClipRect.z - pcmd->ClipRect.x, pcmd->ClipRect.w - pcmd->ClipRect.y);
al_draw_prim(&vertices[0], g_VertexDecl, texture, idx_offset, idx_offset + pcmd->ElemCount, ALLEGRO_PRIM_TRIANGLE_LIST);
}

3
backends/imgui_impl_dx10.cpp
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@ -11,6 +11,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-05-19: DirectX10: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
// 2021-02-18: DirectX10: Change blending equation to preserve alpha in output buffer.
// 2019-07-21: DirectX10: Backup, clear and restore Geometry Shader is any is bound when calling ImGui_ImplDX10_RenderDrawData().
// 2019-05-29: DirectX10: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag.
@ -238,7 +239,7 @@ void ImGui_ImplDX10_RenderDrawData(ImDrawData* draw_data)
ctx->RSSetScissorRects(1, &r);
// Bind texture, Draw
ID3D10ShaderResourceView* texture_srv = (ID3D10ShaderResourceView*)pcmd->TextureId;
ID3D10ShaderResourceView* texture_srv = (ID3D10ShaderResourceView*)pcmd->GetTexID();
ctx->PSSetShaderResources(0, 1, &texture_srv);
ctx->DrawIndexed(pcmd->ElemCount, pcmd->IdxOffset + global_idx_offset, pcmd->VtxOffset + global_vtx_offset);
}

3
backends/imgui_impl_dx11.cpp
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@ -11,6 +11,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-05-19: DirectX11: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
// 2021-02-18: DirectX11: Change blending equation to preserve alpha in output buffer.
// 2019-08-01: DirectX11: Fixed code querying the Geometry Shader state (would generally error with Debug layer enabled).
// 2019-07-21: DirectX11: Backup, clear and restore Geometry Shader is any is bound when calling ImGui_ImplDX10_RenderDrawData. Clearing Hull/Domain/Compute shaders without backup/restore.
@ -248,7 +249,7 @@ void ImGui_ImplDX11_RenderDrawData(ImDrawData* draw_data)
ctx->RSSetScissorRects(1, &r);
// Bind texture, Draw
ID3D11ShaderResourceView* texture_srv = (ID3D11ShaderResourceView*)pcmd->TextureId;
ID3D11ShaderResourceView* texture_srv = (ID3D11ShaderResourceView*)pcmd->GetTexID();
ctx->PSSetShaderResources(0, 1, &texture_srv);
ctx->DrawIndexed(pcmd->ElemCount, pcmd->IdxOffset + global_idx_offset, pcmd->VtxOffset + global_vtx_offset);
}

5
backends/imgui_impl_dx12.cpp
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@ -15,6 +15,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-05-19: DirectX12: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
// 2021-02-18: DirectX12: Change blending equation to preserve alpha in output buffer.
// 2021-01-11: DirectX12: Improve Windows 7 compatibility (for D3D12On7) by loading d3d12.dll dynamically.
// 2020-09-16: DirectX12: Avoid rendering calls with zero-sized scissor rectangle since it generates a validation layer warning.
@ -239,7 +240,9 @@ void ImGui_ImplDX12_RenderDrawData(ImDrawData* draw_data, ID3D12GraphicsCommandL
const D3D12_RECT r = { (LONG)(pcmd->ClipRect.x - clip_off.x), (LONG)(pcmd->ClipRect.y - clip_off.y), (LONG)(pcmd->ClipRect.z - clip_off.x), (LONG)(pcmd->ClipRect.w - clip_off.y) };
if (r.right > r.left && r.bottom > r.top)
{
ctx->SetGraphicsRootDescriptorTable(1, *(D3D12_GPU_DESCRIPTOR_HANDLE*)&pcmd->TextureId);
D3D12_GPU_DESCRIPTOR_HANDLE texture_handle = {};
texture_handle.ptr = (UINT64)(intptr_t)pcmd->GetTexID();
ctx->SetGraphicsRootDescriptorTable(1, texture_handle);
ctx->RSSetScissorRects(1, &r);
ctx->DrawIndexedInstanced(pcmd->ElemCount, 1, pcmd->IdxOffset + global_idx_offset, pcmd->VtxOffset + global_vtx_offset, 0);
}

3
backends/imgui_impl_dx9.cpp
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@ -11,6 +11,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-05-19: DirectX9: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
// 2021-04-23: DirectX9: Explicitly setting up more graphics states to increase compatibility with unusual non-default states.
// 2021-03-18: DirectX9: Calling IDirect3DStateBlock9::Capture() after CreateStateBlock() as a workaround for state restoring issues (see #3857).
// 2021-03-03: DirectX9: Added support for IMGUI_USE_BGRA_PACKED_COLOR in user's imconfig file.
@ -226,7 +227,7 @@ void ImGui_ImplDX9_RenderDrawData(ImDrawData* draw_data)
else
{
const RECT r = { (LONG)(pcmd->ClipRect.x - clip_off.x), (LONG)(pcmd->ClipRect.y - clip_off.y), (LONG)(pcmd->ClipRect.z - clip_off.x), (LONG)(pcmd->ClipRect.w - clip_off.y) };
const LPDIRECT3DTEXTURE9 texture = (LPDIRECT3DTEXTURE9)pcmd->TextureId;
const LPDIRECT3DTEXTURE9 texture = (LPDIRECT3DTEXTURE9)pcmd->GetTexID();
g_pd3dDevice->SetTexture(0, texture);
g_pd3dDevice->SetScissorRect(&r);
g_pd3dDevice->DrawIndexedPrimitive(D3DPT_TRIANGLELIST, pcmd->VtxOffset + global_vtx_offset, 0, (UINT)cmd_list->VtxBuffer.Size, pcmd->IdxOffset + global_idx_offset, pcmd->ElemCount / 3);

3
backends/imgui_impl_marmalade.cpp
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@ -12,6 +12,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-05-19: Renderer: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
// 2019-07-21: Inputs: Added mapping for ImGuiKey_KeyPadEnter.
// 2019-05-11: Inputs: Don't filter value from character callback before calling AddInputCharacter().
// 2018-11-30: Misc: Setting up io.BackendPlatformName/io.BackendRendererName so they can be displayed in the About Window.
@ -87,7 +88,7 @@ void ImGui_Marmalade_RenderDrawData(ImDrawData* draw_data)
pCurrentMaterial->SetAlphaMode(CIwMaterial::ALPHA_BLEND);
pCurrentMaterial->SetDepthWriteMode(CIwMaterial::DEPTH_WRITE_NORMAL);
pCurrentMaterial->SetAlphaTestMode(CIwMaterial::ALPHATEST_DISABLED);
pCurrentMaterial->SetTexture((CIwTexture*)pcmd->TextureId);
pCurrentMaterial->SetTexture((CIwTexture*)pcmd->GetTexID());
IwGxSetMaterial(pCurrentMaterial);
IwGxDrawPrims(IW_GX_TRI_LIST, (uint16*)idx_buffer, pcmd->ElemCount);
}

5
backends/imgui_impl_metal.mm
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@ -11,6 +11,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-05-19: Metal: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
// 2021-02-18: Metal: Change blending equation to preserve alpha in output buffer.
// 2021-01-25: Metal: Fixed texture storage mode when building on Mac Catalyst.
// 2019-05-29: Metal: Added support for large mesh (64K+ vertices), enable ImGuiBackendFlags_RendererHasVtxOffset flag.
@ -522,8 +523,8 @@ void ImGui_ImplMetal_DestroyDeviceObjects()
// Bind texture, Draw
if (pcmd->TextureId != NULL)
[commandEncoder setFragmentTexture:(__bridge id<MTLTexture>)(pcmd->TextureId) atIndex:0];
if (ImTextureID tex_id = pcmd->GetTexID())
[commandEncoder setFragmentTexture:(__bridge id<MTLTexture>)(tex_id) atIndex:0];
[commandEncoder setVertexBufferOffset:(vertexBufferOffset + pcmd->VtxOffset * sizeof(ImDrawVert)) atIndex:0];
[commandEncoder drawIndexedPrimitives:MTLPrimitiveTypeTriangle

3
backends/imgui_impl_opengl2.cpp
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@ -18,6 +18,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-05-19: OpenGL: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
// 2021-01-03: OpenGL: Backup, setup and restore GL_SHADE_MODEL state, disable GL_STENCIL_TEST and disable GL_NORMAL_ARRAY client state to increase compatibility with legacy OpenGL applications.
// 2020-01-23: OpenGL: Backup, setup and restore GL_TEXTURE_ENV to increase compatibility with legacy OpenGL applications.
// 2019-04-30: OpenGL: Added support for special ImDrawCallback_ResetRenderState callback to reset render state.
@ -184,7 +185,7 @@ void ImGui_ImplOpenGL2_RenderDrawData(ImDrawData* draw_data)
glScissor((int)clip_rect.x, (int)(fb_height - clip_rect.w), (int)(clip_rect.z - clip_rect.x), (int)(clip_rect.w - clip_rect.y));
// Bind texture, Draw
glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->TextureId);
glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->GetTexID());
glDrawElements(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, idx_buffer);
}
}

3
backends/imgui_impl_opengl3.cpp
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@ -13,6 +13,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-05-19: OpenGL: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
// 2021-04-06: OpenGL: Don't try to read GL_CLIP_ORIGIN unless we're OpenGL 4.5 or greater.
// 2021-02-18: OpenGL: Change blending equation to preserve alpha in output buffer.
// 2021-01-03: OpenGL: Backup, setup and restore GL_STENCIL_TEST state.
@ -407,7 +408,7 @@ void ImGui_ImplOpenGL3_RenderDrawData(ImDrawData* draw_data)
glScissor((int)clip_rect.x, (int)(fb_height - clip_rect.w), (int)(clip_rect.z - clip_rect.x), (int)(clip_rect.w - clip_rect.y));
// Bind texture, Draw
glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->TextureId);
glBindTexture(GL_TEXTURE_2D, (GLuint)(intptr_t)pcmd->GetTexID());
#ifdef IMGUI_IMPL_OPENGL_MAY_HAVE_VTX_OFFSET
if (g_GlVersion >= 320)
glDrawElementsBaseVertex(GL_TRIANGLES, (GLsizei)pcmd->ElemCount, sizeof(ImDrawIdx) == 2 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT, (void*)(intptr_t)(pcmd->IdxOffset * sizeof(ImDrawIdx)), (GLint)pcmd->VtxOffset);

7
backends/imgui_impl_wgpu.cpp
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@ -12,6 +12,7 @@
// CHANGELOG
// (minor and older changes stripped away, please see git history for details)
// 2021-05-19: Replaced direct access to ImDrawCmd::TextureId with a call to ImDrawCmd::GetTexID(). (will become a requirement)
// 2021-05-16: Update to latest WebGPU specs (compatible with Emscripten 2.0.20 and Chrome Canary 92).
// 2021-02-18: Change blending equation to preserve alpha in output buffer.
// 2021-01-28: Initial version.
@ -424,15 +425,15 @@ void ImGui_ImplWGPU_RenderDrawData(ImDrawData* draw_data, WGPURenderPassEncoder
else
{
// Bind custom texture
auto bind_group = g_resources.ImageBindGroups.GetVoidPtr(ImHashData(&pcmd->TextureId, sizeof(ImTextureID)));
auto bind_group = g_resources.ImageBindGroups.GetVoidPtr(ImHashData(&pcmd->GetTexID(), sizeof(ImTextureID)));
if (bind_group)
{
wgpuRenderPassEncoderSetBindGroup(pass_encoder, 1, (WGPUBindGroup)bind_group, 0, NULL);
}
else
{
WGPUBindGroup image_bind_group = ImGui_ImplWGPU_CreateImageBindGroup(g_resources.ImageBindGroupLayout, (WGPUTextureView)pcmd->TextureId);
g_resources.ImageBindGroups.SetVoidPtr(ImHashData(&pcmd->TextureId, sizeof(ImTextureID)), image_bind_group);
WGPUBindGroup image_bind_group = ImGui_ImplWGPU_CreateImageBindGroup(g_resources.ImageBindGroupLayout, (WGPUTextureView)pcmd->GetTexID());
g_resources.ImageBindGroups.SetVoidPtr(ImHashData(&pcmd->GetTexID(), sizeof(ImTextureID)), image_bind_group);
wgpuRenderPassEncoderSetBindGroup(pass_encoder, 1, image_bind_group, 0, NULL);
}

7
docs/CHANGELOG.txt
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@ -37,6 +37,13 @@ HOW TO UPDATE?
Breaking Changes:
- Backends: Obsoleted direct access to ImDrawCmd::TextureId in favor of calling ImDrawCmd::GetTexID(). (#3761) [@thedmd]
- If you are using official backends from the source tree: you have nothing to do.
- If you copied old backend code or using your own: change access to draw_cmd->TextureId to draw_cmd->GetTexID().
Why are we doing this?
- This change will be required in the future when adding support for incremental texture atlas updates.
- Please note this won't break soon, but we are making the change ahead of time.
Other Changes:
- Scrolling: Fix scroll tracking with e.g. SetScrollHereX/Y() when WindowPadding < ItemSpacing.

2
docs/FAQ.md
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@ -370,7 +370,7 @@ ImGui::Image((void*)texture, ImVec2(texture->Width, texture->Height));
The renderer function called after ImGui::Render() will receive that same value that the user code passed:
```cpp
// Cast ImTextureID / void* stored in the draw command as our texture type
MyTexture* texture = (MyTexture*)pcmd->TextureId;
MyTexture* texture = (MyTexture*)pcmd->GetTexID();
MyEngineBindTexture2D(texture);
```
Once you understand this design you will understand that loading image files and turning them into displayable textures is not within the scope of Dear ImGui.

7
imgui.cpp
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@ -304,9 +304,9 @@ CODE
}
else
{
// The texture for the draw call is specified by pcmd->TextureId.
// The texture for the draw call is specified by pcmd->GetTexID().
// The vast majority of draw calls will use the Dear ImGui texture atlas, which value you have set yourself during initialization.
MyEngineBindTexture((MyTexture*)pcmd->TextureId);
MyEngineBindTexture((MyTexture*)pcmd->GetTexID());
// We are using scissoring to clip some objects. All low-level graphics API should support it.
// - If your engine doesn't support scissoring yet, you may ignore this at first. You will get some small glitches
@ -376,6 +376,9 @@ CODE
When you are not sure about an old symbol or function name, try using the Search/Find function of your IDE to look for comments or references in all imgui files.
You can read releases logs https://github.com/ocornut/imgui/releases for more details.
- 2021/05/19 (1.83) - backends: obsoleted direct access to ImDrawCmd::TextureId in favor of calling ImDrawCmd::GetTexID().
- if you are using official backends from the source tree: you have nothing to do.
- if you have copied old backend code or using your own: change access to draw_cmd->TextureId to draw_cmd->GetTexID().
- 2021/03/12 (1.82) - upgraded ImDrawList::AddRect(), AddRectFilled(), PathRect() to use ImDrawFlags instead of ImDrawCornersFlags.
- ImDrawCornerFlags_TopLeft -> use ImDrawFlags_RoundCornersTopLeft
- ImDrawCornerFlags_BotRight -> use ImDrawFlags_RoundCornersBottomRight

5
imgui.h
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@ -61,7 +61,7 @@ Index of this file:
// Version
// (Integer encoded as XYYZZ for use in #if preprocessor conditionals. Work in progress versions typically starts at XYY99 then bounce up to XYY00, XYY01 etc. when release tagging happens)
#define IMGUI_VERSION "1.83 WIP"
#define IMGUI_VERSION_NUM 18209
#define IMGUI_VERSION_NUM 18210
#define IMGUI_CHECKVERSION() ImGui::DebugCheckVersionAndDataLayout(IMGUI_VERSION, sizeof(ImGuiIO), sizeof(ImGuiStyle), sizeof(ImVec2), sizeof(ImVec4), sizeof(ImDrawVert), sizeof(ImDrawIdx))
#define IMGUI_HAS_TABLE
@ -2243,6 +2243,9 @@ struct ImDrawCmd
void* UserCallbackData; // 4-8 // The draw callback code can access this.
ImDrawCmd() { memset(this, 0, sizeof(*this)); } // Also ensure our padding fields are zeroed
// Since 1.83: returns ImTextureID associated with this draw call. Warning: DO NOT assume this is always same as 'TextureId' (we will change this function for an upcoming feature)
inline ImTextureID GetTexID() const { return TextureId; }
};
// Vertex index, default to 16-bit