82 lines
2.1 KiB
C++
82 lines
2.1 KiB
C++
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#include <engine/camera/camera.hpp>
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#include <engine/graphics/buffers.hpp>
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#include <engine/graphics/renderer_programs/tinted_texture.hpp>
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#include <engine/graphics/shader.hpp>
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#include <engine/graphics/vertex_layout.hpp>
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#include <engine/utils/resource_manager.hpp>
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namespace Light {
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TintedTextureRendererProgram::TintedTextureRendererProgram(
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unsigned int maxVertices,
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Ref<SharedContext> sharedContext
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)
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: m_Shader(nullptr)
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, m_IndexBuffer(nullptr)
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, m_VertexLayout(nullptr)
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, m_MapCurrent(nullptr)
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, m_MapEnd(nullptr)
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, m_QuadCount(0u)
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, m_MaxVertices(maxVertices)
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{
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// #todo: don't use relative path
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ResourceManager::LoadShader(
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"LT_ENGINE_RESOURCES_TINTED_TEXTURE_SHADER",
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"Assets/Shaders/TintedTexture/TintedTexture_VS.glsl",
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"Assets/Shaders/TintedTexture/TintedTexture_PS.glsl"
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);
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m_Shader = ResourceManager::GetShader("LT_ENGINE_RESOURCES_TINTED_TEXTURE_SHADER");
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m_VertexBuffer = Ref<VertexBuffer>(
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VertexBuffer::Create(nullptr, sizeof(TintedTextureVertexData), maxVertices, sharedContext)
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);
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m_IndexBuffer = Ref<IndexBuffer>(
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IndexBuffer::Create(nullptr, (maxVertices / 4) * 6, sharedContext)
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);
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m_VertexLayout = Ref<VertexLayout>(VertexLayout::Create(
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m_VertexBuffer,
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m_Shader,
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{ { "POSITION", VertexElementType::Float4 },
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{ "TINT", VertexElementType::Float4 },
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{ "TEXCOORD", VertexElementType::Float2 } },
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sharedContext
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));
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}
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bool TintedTextureRendererProgram::Advance()
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{
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m_MapCurrent += 4;
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if (m_MapCurrent >= m_MapEnd)
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{
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LOG(warn, "'VertexBuffer' map went beyond 'MaxVertices': {}", m_MaxVertices);
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return false;
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}
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m_QuadCount++;
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return true;
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}
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void TintedTextureRendererProgram::Map()
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{
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m_QuadCount = 0u;
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m_MapCurrent = (TintedTextureRendererProgram::TintedTextureVertexData *)m_VertexBuffer->Map();
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m_MapEnd = m_MapCurrent + m_MaxVertices;
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}
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void TintedTextureRendererProgram::UnMap()
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{
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m_VertexBuffer->UnMap();
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}
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void TintedTextureRendererProgram::Bind()
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{
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m_Shader->Bind();
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m_VertexLayout->Bind();
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m_VertexBuffer->Bind();
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m_IndexBuffer->Bind();
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}
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} // namespace Light
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