81 lines
2.1 KiB
C++
81 lines
2.1 KiB
C++
#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_index_buffer(nullptr)
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, m_vertex_layout(nullptr)
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, m_map_current(nullptr)
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, m_map_end(nullptr)
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, m_quad_count(0u)
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, m_max_vertices(maxVertices)
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{
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// #todo: don't use relative path
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ResourceManager::load_shader(
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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::get_shader("LT_ENGINE_RESOURCES_TINTED_TEXTURE_SHADER");
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m_vertex_buffer = Ref<VertexBuffer>(
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VertexBuffer::create(nullptr, sizeof(TintedTextureVertexData), maxVertices, sharedContext)
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);
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m_index_buffer = Ref<IndexBuffer>(
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IndexBuffer::create(nullptr, (maxVertices / 4) * 6, sharedContext)
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);
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m_vertex_layout = Ref<VertexLayout>(VertexLayout::create(
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m_vertex_buffer,
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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_map_current += 4;
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if (m_map_current >= m_map_end)
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{
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lt_log(warn, "'VertexBuffer' map went beyond 'MaxVertices': {}", m_max_vertices);
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return false;
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}
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m_quad_count++;
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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_quad_count = 0u;
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m_map_current = (TintedTextureRendererProgram::TintedTextureVertexData *)m_vertex_buffer->map();
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m_map_end = m_map_current + m_max_vertices;
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}
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void TintedTextureRendererProgram::un_map()
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{
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m_vertex_buffer->un_map();
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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_vertex_layout->bind();
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m_vertex_buffer->bind();
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m_index_buffer->bind();
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}
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} // namespace Light
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