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pixelformats: Add checkbox to ignore alpha channel, select RGBA8 by default (#2874)

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Michał Cichoń 2022-08-22 21:32:40 +02:00 committed by GitHub
parent 651432df1d
commit a4b71961c3
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 5 additions and 2 deletions
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7
examples/47-pixelformats/pixelformats.cpp
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@ -197,7 +197,7 @@ public:
}
ImGui::SetCursorScreenPos(previewPos);
ImGui::Image(texture, previewSize);
ImGui::Image(texture, m_ignoreAlpha ? IMGUI_FLAGS_NONE : IMGUI_FLAGS_ALPHA_BLEND, 0, previewSize);
}
else
{
@ -246,6 +246,8 @@ public:
ImDrawList* drawList = ImGui::GetWindowDrawList();
ImGui::DragFloat("Preview Size", &m_previewSize, 1.0f, 10.0f, TEXTURE_SIZE);
ImGui::SameLine();
ImGui::Checkbox("Ignore Alpha", &m_ignoreAlpha);
ImGui::BeginTable("Formats", NUM_FORMATS_IN_ROW, ImGuiTableFlags_Borders | ImGuiTableFlags_SizingFixedFit);
for (int i = 0; i < NUM_FORMATS; ++i)
{
@ -314,7 +316,8 @@ public:
uint32_t m_debug;
uint32_t m_reset;
float m_previewSize = 50.0f;
bimg::TextureFormat::Enum m_selectedFormat = bimg::TextureFormat::Unknown;
bool m_ignoreAlpha = false;
bimg::TextureFormat::Enum m_selectedFormat = bimg::TextureFormat::RGBA8;
bgfx::TextureHandle m_checkerboard = BGFX_INVALID_HANDLE;
bgfx::TextureHandle m_textures[NUM_FORMATS];

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examples/47-pixelformats/screenshot.png
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