89 lines
2.4 KiB
C++
89 lines
2.4 KiB
C++
#pragma once
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#include "image.h"
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struct PBO
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{
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// copy
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PBO(const PBO&) = delete;
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PBO& operator=(const PBO&) = delete;
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// move
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PBO(PBO&& other) noexcept;
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PBO& operator=(PBO&&) noexcept;
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// default
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PBO() noexcept = default;
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~PBO() noexcept;
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GLuint buffer_id = 0;
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GLenum bound_slot = 0;
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GLubyte* mapped_ptr = nullptr;
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int width = 0;
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int height = 0;
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bool create() noexcept;
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bool create(class RTT& rtt) noexcept;
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void destroy() noexcept;
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/*
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void bind_read() noexcept;
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void unbind() noexcept;
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*/
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uint8_t* map() noexcept;
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void unmap() noexcept;
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};
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class RTT
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{
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int w = 0;
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int h = 0;
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GLuint fboID = 0;
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GLuint texID = 0;
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GLuint rboID = 0;
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GLint int_fmt = 0;
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bool bound = false;
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GLint oldRFboID = 0;
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GLint oldDFboID = 0;
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public:
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// copy
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RTT(const RTT&) = delete;
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RTT& operator=(const RTT&) = delete;
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// move
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RTT(RTT&& other);
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RTT& operator=(RTT&&);
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// default
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RTT();
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~RTT();
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void destroy();
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// copy with interpolation
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void copy(const RTT& source);
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// copy a region
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void copy(const RTT& source, const glm::vec4& rect);
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RTT clone() const noexcept;
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bool resize(int width, int height);
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bool create(int width, int height);
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bool create(int width, int height, int tex);
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bool create(int width, int height, int tex, GLint internal_format, bool depth_buffer = false);
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bool recreate() { return create(w, h); }
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void clear(glm::vec4 color = glm::vec4(0));
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void clear_mask(glm::bool4 mask, glm::vec4 color = glm::vec4(0));
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glm::ivec4 calc_bounds() const noexcept;
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uint8_t* readTextureData(uint8_t* buffer = nullptr) const noexcept;
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float* readTextureDataFloat(float* buffer = nullptr) const noexcept;
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uint8_t* createBuffer() const noexcept;
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float* createBufferFloat() const noexcept;
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void bindFramebuffer();
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void unbindFramebuffer();
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void bindTexture();
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void unbindTexture();
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GLuint getTextureID() const noexcept { return texID; }
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int getWidth() const noexcept { return w; }
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int getHeight() const noexcept { return h; }
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glm::ivec2 getSize() const noexcept { return { w, h }; }
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int bytes() const noexcept { return w * h * 4; }
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int stride() const noexcept { return w * 4; }
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GLuint getFBO() const noexcept { return fboID; }
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Image get_image() const noexcept;
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bool valid() const noexcept;
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};
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