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add image and imagebutton support

This commit is contained in:
SweetId 2022-07-26 10:06:07 +02:00
parent cedf3e4a66
commit 9d23816363
2 changed files with 104 additions and 134 deletions
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25
include/NazaraImgui/NazaraImgui.h
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@ -65,7 +65,7 @@ namespace Nz
struct
{
std::shared_ptr<Nz::RenderPipeline> Pipeline;
Nz::ShaderBindingPtr TextureShaderBinding;
std::unordered_map<Nz::Texture*, Nz::ShaderBindingPtr> TextureShaderBindings;
std::shared_ptr<Nz::TextureSampler> TextureSampler;
} m_texturedPipeline;
@ -85,25 +85,14 @@ namespace ImGui
// custom ImGui widgets for SFML stuff
// Image overloads
/*void Image(const Nz::Texture& texture,
const Nz::Color& tintColor = Nz::Color::White,
const Nz::Color& borderColor = Nz::Color::Transparent);
void Image(const Nz::Texture& texture, const Nz::Vector2f& size,
const Nz::Color& tintColor = Nz::Color::White,
const Nz::Color& borderColor = Nz::Color::Transparent);
void Image(const Nz::Texture& texture, const Nz::Rectf& textureRect,
const Nz::Color& tintColor = Nz::Color::White,
const Nz::Color& borderColor = Nz::Color::Transparent);
void Image(const Nz::Texture& texture, const Nz::Vector2f& size, const Nz::Rectf& textureRect,
const Nz::Color& tintColor = Nz::Color::White,
const Nz::Color& borderColor = Nz::Color::Transparent);
void Image(const Nz::Texture* texture, const Nz::Color& tintColor = Nz::Color::White, const Nz::Color& borderColor = Nz::Color::Transparent);
void Image(const Nz::Texture* texture, const Nz::Vector2f& size, const Nz::Color& tintColor = Nz::Color::White, const Nz::Color& borderColor = Nz::Color::Transparent);
void Image(const Nz::Texture* texture, const Nz::Rectf& textureRect, const Nz::Color& tintColor = Nz::Color::White, const Nz::Color& borderColor = Nz::Color::Transparent);
void Image(const Nz::Texture* texture, const Nz::Vector2f& size, const Nz::Rectf& textureRect, const Nz::Color& tintColor = Nz::Color::White, const Nz::Color& borderColor = Nz::Color::Transparent);
// ImageButton overloads
bool ImageButton(const Nz::Texture& texture, const int framePadding = -1,
const Nz::Color& bgColor = Nz::Color::Transparent,
const Nz::Color& tintColor = Nz::Color::White);
bool ImageButton(const Nz::Texture& texture, const Nz::Vector2f& size, const int framePadding = -1,
const Nz::Color& bgColor = Nz::Color::Transparent, const Nz::Color& tintColor = Nz::Color::White);*/
bool ImageButton(const Nz::Texture* texture, const int framePadding = -1, const Nz::Color& bgColor = Nz::Color::Transparent, const Nz::Color& tintColor = Nz::Color::White);
bool ImageButton(const Nz::Texture* texture, const Nz::Vector2f& size, const int framePadding = -1, const Nz::Color& bgColor = Nz::Color::Transparent, const Nz::Color& tintColor = Nz::Color::White);
// Draw_list overloads. All positions are in relative coordinates (relative to top-left of the current window)
void DrawLine(const Nz::Vector2f& a, const Nz::Vector2f& b, const Nz::Color& col, float thickness = 1.0f);

189
src/NazaraImgui/NazaraImgui.cpp
View File

@ -102,8 +102,8 @@ namespace Nz
{
m_untexturedPipeline.Pipeline.reset();
m_texturedPipeline.TextureShaderBindings.clear();
m_texturedPipeline.TextureSampler.reset();
m_texturedPipeline.TextureShaderBinding.reset();
m_texturedPipeline.Pipeline.reset();
ImGui::GetIO().Fonts->TexID = nullptr;
@ -403,25 +403,21 @@ namespace Nz
textureBinding.type = Nz::ShaderBindingType::Texture;
std::shared_ptr<Nz::RenderPipelineLayout> renderPipelineLayout = renderDevice->InstantiateRenderPipelineLayout(std::move(pipelineLayoutInfo));
m_texturedPipeline.TextureShaderBinding = renderPipelineLayout->AllocateShaderBinding(1);
Nz::RenderPipelineInfo pipelineInfo;
pipelineInfo.pipelineLayout = renderPipelineLayout;
pipelineInfo.faceCulling = true;
pipelineInfo.depthBuffer = true;
pipelineInfo.shaderModules.emplace_back(shader);
pipelineInfo.depthWrite = false;
pipelineInfo.depthBuffer = false;
pipelineInfo.faceCulling = false;
pipelineInfo.scissorTest = true;
pipelineInfo.blending = true;
pipelineInfo.depthCompare = Nz::RendererComparison::Always;
pipelineInfo.blend.modeAlpha = Nz::BlendEquation::Max;
pipelineInfo.blend.modeAlpha = Nz::BlendEquation::Add;
pipelineInfo.blend.srcColor = Nz::BlendFunc::SrcAlpha;
pipelineInfo.blend.dstColor = Nz::BlendFunc::InvSrcAlpha;
pipelineInfo.blend.srcAlpha = Nz::BlendFunc::One;
pipelineInfo.blend.dstAlpha = Nz::BlendFunc::Zero;
pipelineInfo.faceCulling = false;
pipelineInfo.scissorTest = true;
auto& pipelineVertexBuffer = pipelineInfo.vertexBuffers.emplace_back();
pipelineVertexBuffer.binding = 0;
@ -457,21 +453,18 @@ namespace Nz
Nz::RenderPipelineInfo pipelineInfo;
pipelineInfo.pipelineLayout = renderPipelineLayout;
pipelineInfo.faceCulling = true;
pipelineInfo.depthBuffer = true;
pipelineInfo.shaderModules.emplace_back(shader);
pipelineInfo.depthWrite = false;
pipelineInfo.depthBuffer = false;
pipelineInfo.faceCulling = false;
pipelineInfo.scissorTest = true;
pipelineInfo.blending = true;
pipelineInfo.depthCompare = Nz::RendererComparison::Always;
pipelineInfo.blend.modeAlpha = Nz::BlendEquation::Max;
pipelineInfo.blend.modeAlpha = Nz::BlendEquation::Add;
pipelineInfo.blend.srcColor = Nz::BlendFunc::SrcAlpha;
pipelineInfo.blend.dstColor = Nz::BlendFunc::InvSrcAlpha;
pipelineInfo.blend.srcAlpha = Nz::BlendFunc::One;
pipelineInfo.blend.dstAlpha = Nz::BlendFunc::Zero;
pipelineInfo.faceCulling = false;
pipelineInfo.scissorTest = true;
auto& pipelineVertexBuffer = pipelineInfo.vertexBuffers.emplace_back();
pipelineVertexBuffer.binding = 0;
@ -545,7 +538,10 @@ namespace Nz
if (nullptr != texture)
{
m_texturedPipeline.TextureShaderBinding->Update({
if (std::end(m_texturedPipeline.TextureShaderBindings) == m_texturedPipeline.TextureShaderBindings.find(texture))
{
auto binding = m_texturedPipeline.Pipeline->GetPipelineInfo().pipelineLayout->AllocateShaderBinding(1);
binding->Update({
{
0,
Nz::ShaderBinding::TextureBinding {
@ -553,9 +549,11 @@ namespace Nz
}
}
});
m_texturedPipeline.TextureShaderBindings[texture] = std::move(binding);
}
builder.BindPipeline(*m_texturedPipeline.Pipeline);
builder.BindShaderBinding(1, *m_texturedPipeline.TextureShaderBinding);
builder.BindShaderBinding(1, *m_texturedPipeline.TextureShaderBindings[texture]);
}
else
{
@ -583,108 +581,91 @@ namespace Nz
namespace
{
// various helper functions
ImColor toImColor(Nz::Color c);
ImVec2 getTopLeftAbsolute(const Nz::Rectf& rect);
ImVec2 getDownRightAbsolute(const Nz::Rectf& rect);
namespace
{
ImColor toImColor(Nz::Color c)
{
return ImColor(c.r, c.g, c.b, c.a);
}
ImVec2 getTopLeftAbsolute(const Nz::Rectf& rect)
{
ImVec2 pos = ImGui::GetCursorScreenPos();
return ImVec2(rect.GetCorner(Nz::RectCorner::LeftTop) + Nz::Vector2f(pos.x, pos.y));
}
ImVec2 getDownRightAbsolute(const Nz::Rectf& rect)
{
ImVec2 pos = ImGui::GetCursorScreenPos();
return ImVec2(rect.GetCorner(Nz::RectCorner::RightBottom) + Nz::Vector2f(pos.x, pos.y));
}
// Implementation of ImageButton overload
bool imageButtonImpl(const Nz::Texture& texture, const Nz::Rectf& textureRect, const Nz::Vector2f& size, const int framePadding, const Nz::Color& bgColor, const Nz::Color& tintColor);
}
namespace ImGui {
/////////////// Image Overloads
/*void Image(const Nz::Texture& texture, const Nz::Color& tintColor,
const Nz::Color& borderColor) {
Image(texture, Nz::Vector2f(texture.GetSize().x * 1.f, texture.GetSize().y * 1.f), tintColor, borderColor);
}
void Image(const Nz::Texture& texture, const Nz::Vector2f& size,
const Nz::Color& tintColor, const Nz::Color& borderColor) {
ImTextureID textureID = Private::Backend->GetTextureNativeHandler(&texture);
ImGui::Image(textureID, ImVec2(size.x,size.y), ImVec2(0, 0), ImVec2(1, 1), toImColor(tintColor), toImColor(borderColor));
}
void Image(const Nz::Texture& texture, const Nz::Rectf& textureRect,
const Nz::Color& tintColor, const Nz::Color& borderColor) {
Image(texture, Nz::Vector2f(std::abs(textureRect.width), std::abs(textureRect.height)), textureRect, tintColor, borderColor);
}
void Image(const Nz::Texture& texture, const Nz::Vector2f& size,
const Nz::Rectf& textureRect, const Nz::Color& tintColor,
const Nz::Color& borderColor) {
Nz::Vector2f textureSize(texture.GetSize().x * 1.f, texture.GetSize().y * 1.f);
bool imageButtonImpl(const Nz::Texture* texture, const Nz::Rectf& textureRect, const Nz::Vector2f& size, const int framePadding, const Nz::Color& bgColor, const Nz::Color& tintColor)
{
Nz::Vector2f textureSize(texture->GetSize().x * 1.f, texture->GetSize().y * 1.f);
ImVec2 uv0(textureRect.GetCorner(Nz::RectCorner::LeftTop) / textureSize);
ImVec2 uv1(textureRect.GetCorner(Nz::RectCorner::RightBottom) / textureSize);
ImTextureID textureID = Private::Backend->GetTextureNativeHandler(&texture);
ImGui::Image(textureID, ImVec2(size.x, size.y), uv0, uv1, toImColor(tintColor), toImColor(borderColor));
return ImGui::ImageButton((ImTextureID)texture, ImVec2(size.x, size.y), uv0, uv1, framePadding, toImColor(bgColor), toImColor(tintColor));
}
} // end of anonymous namespace
}
/////////////// Image Button Overloads
namespace ImGui
{
/////////////// Image Overloads
void Image(const Nz::Texture* texture, const Nz::Color& tintColor, const Nz::Color& borderColor)
{
Image(texture, Nz::Vector2f(texture->GetSize().x * 1.f, texture->GetSize().y * 1.f), tintColor, borderColor);
}
bool ImageButton(const Nz::Texture& texture, const int framePadding,
const Nz::Color& bgColor, const Nz::Color& tintColor) {
return ImageButton(texture, Nz::Vector2f(texture.GetSize().x * 1.f, texture.GetSize().y * 1.f), framePadding, bgColor, tintColor);
}
void Image(const Nz::Texture* texture, const Nz::Vector2f& size, const Nz::Color& tintColor, const Nz::Color& borderColor)
{
ImGui::Image((ImTextureID)texture, ImVec2(size.x, size.y), ImVec2(0, 0), ImVec2(1, 1), toImColor(tintColor), toImColor(borderColor));
}
bool ImageButton(const Nz::Texture& texture, const Nz::Vector2f& size,
const int framePadding, const Nz::Color& bgColor,
const Nz::Color& tintColor) {
Nz::Vector2f textureSize(texture.GetSize().x * 1.f, texture.GetSize().y * 1.f);
void Image(const Nz::Texture* texture, const Nz::Rectf& textureRect, const Nz::Color& tintColor, const Nz::Color& borderColor)
{
Image(texture, Nz::Vector2f(std::abs(textureRect.width), std::abs(textureRect.height)), textureRect, tintColor, borderColor);
}
void Image(const Nz::Texture* texture, const Nz::Vector2f& size, const Nz::Rectf& textureRect, const Nz::Color& tintColor, const Nz::Color& borderColor)
{
Nz::Vector2f textureSize(texture->GetSize().x * 1.f, texture->GetSize().y * 1.f);
ImVec2 uv0(textureRect.GetCorner(Nz::RectCorner::LeftTop) / textureSize);
ImVec2 uv1(textureRect.GetCorner(Nz::RectCorner::RightBottom) / textureSize);
ImGui::Image((ImTextureID)texture, ImVec2(size.x, size.y), uv0, uv1, toImColor(tintColor), toImColor(borderColor));
}
/////////////// Image Button Overloads
bool ImageButton(const Nz::Texture* texture, const int framePadding, const Nz::Color& bgColor, const Nz::Color& tintColor)
{
return ImageButton(texture, Nz::Vector2f(texture->GetSize().x * 1.f, texture->GetSize().y * 1.f), framePadding, bgColor, tintColor);
}
bool ImageButton(const Nz::Texture* texture, const Nz::Vector2f& size, const int framePadding, const Nz::Color& bgColor, const Nz::Color& tintColor)
{
Nz::Vector2f textureSize(texture->GetSize().x * 1.f, texture->GetSize().y * 1.f);
return ::imageButtonImpl(texture, Nz::Rectf(0.f, 0.f, textureSize.x, textureSize.y), size, framePadding, bgColor, tintColor);
}*/
}
/////////////// Draw_list Overloads
void DrawLine(const Nz::Vector2f& a, const Nz::Vector2f& b,
const Nz::Color& color, float thickness) {
/////////////// Draw_list Overloads
void DrawLine(const Nz::Vector2f& a, const Nz::Vector2f& b, const Nz::Color& color, float thickness)
{
ImDrawList* draw_list = ImGui::GetWindowDrawList();
ImVec2 pos = ImGui::GetCursorScreenPos();
draw_list->AddLine(ImVec2(a.x + pos.x, a.y + pos.y), ImVec2(b.x + pos.x, b.y + pos.y), ColorConvertFloat4ToU32(toImColor(color)), thickness);
}
}
void DrawRect(const Nz::Rectf& rect, const Nz::Color& color, float rounding,
int rounding_corners, float thickness) {
void DrawRect(const Nz::Rectf& rect, const Nz::Color& color, float rounding, int rounding_corners, float thickness)
{
ImDrawList* draw_list = ImGui::GetWindowDrawList();
draw_list->AddRect(getTopLeftAbsolute(rect), getDownRightAbsolute(rect), ColorConvertFloat4ToU32(toImColor(color)), rounding, rounding_corners, thickness);
}
}
void DrawRectFilled(const Nz::Rectf& rect, const Nz::Color& color,
float rounding, int rounding_corners) {
void DrawRectFilled(const Nz::Rectf& rect, const Nz::Color& color, float rounding, int rounding_corners)
{
ImDrawList* draw_list = ImGui::GetWindowDrawList();
draw_list->AddRectFilled(getTopLeftAbsolute(rect), getDownRightAbsolute(rect), ColorConvertFloat4ToU32(toImColor(color)), rounding, rounding_corners);
}
}
} // end of namespace ImGui
namespace {
ImColor toImColor(Nz::Color c ) {
return ImColor(static_cast<int>(c.r), static_cast<int>(c.g), static_cast<int>(c.b), static_cast<int>(c.a));
}
ImVec2 getTopLeftAbsolute(const Nz::Rectf& rect) {
ImVec2 pos = ImGui::GetCursorScreenPos();
return ImVec2(rect.GetCorner(Nz::RectCorner::LeftTop) + Nz::Vector2f(pos.x, pos.y));
}
ImVec2 getDownRightAbsolute(const Nz::Rectf& rect) {
ImVec2 pos = ImGui::GetCursorScreenPos();
return ImVec2(rect.GetCorner(Nz::RectCorner::RightBottom) + Nz::Vector2f(pos.x, pos.y));
}
/*bool imageButtonImpl(const Nz::Texture& texture,
const Nz::Rectf& textureRect, const Nz::Vector2f& size,
const int framePadding, const Nz::Color& bgColor,
const Nz::Color& tintColor) {
Nz::Vector2f textureSize(texture.GetSize().x * 1.f, texture.GetSize().y * 1.f);
ImVec2 uv0(textureRect.GetCorner(Nz::RectCorner::LeftTop) / textureSize);
ImVec2 uv1(textureRect.GetCorner(Nz::RectCorner::RightBottom) / textureSize);
ImTextureID textureID = Private::Backend->GetTextureNativeHandler(&texture);
return ImGui::ImageButton(textureID, ImVec2(size.x,size.y), uv0, uv1, framePadding, toImColor(bgColor), toImColor(tintColor));
}*/
} // end of anonymous namespace