mirror of
https://github.com/love2d/love.git
synced 2026-08-16 16:20:42 +02:00
More code restructuring.
Move all love.graphics functionality that doesn’t call OpenGL out of the OpenGL backend Graphics class. --HG-- branch : minor
This commit is contained in:
Alex Szpakowski
@@ -38,10 +38,7 @@
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#include "video/VideoStream.h"
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#include "graphics/Font.h"
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#include "Image.h"
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#include "graphics/Quad.h"
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#include "graphics/Texture.h"
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#include "SpriteBatch.h"
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#include "ParticleSystem.h"
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#include "Canvas.h"
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@@ -53,8 +50,6 @@
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namespace love
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{
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class Reference;
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namespace graphics
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{
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namespace opengl
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@@ -64,321 +59,81 @@ class Graphics final : public love::graphics::Graphics
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{
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public:
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typedef void (*ScreenshotCallback)(love::image::ImageData *i, Reference *ref, void *ud);
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struct ScreenshotInfo
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{
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ScreenshotCallback callback;
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Reference *ref;
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};
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Graphics();
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virtual ~Graphics();
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// Implements Module.
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const char *getName() const override;
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Image *newImage(const std::vector<love::image::ImageData *> &data, const Image::Settings &settings);
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Image *newImage(const std::vector<love::image::CompressedImageData *> &cdata, const Image::Settings &settings);
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love::graphics::Font *newFont(love::font::Rasterizer *data, const Texture::Filter &filter = Texture::defaultFilter) override;
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SpriteBatch *newSpriteBatch(Texture *texture, int size, vertex::Usage usage);
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ParticleSystem *newParticleSystem(Texture *texture, int size);
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love::graphics::Canvas *newCanvas(int width, int height, const Canvas::Settings &settings) override;
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love::graphics::Shader *newShader(const Shader::ShaderSource &source) override;
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Mesh *newMesh(const std::vector<Vertex> &vertices, Mesh::DrawMode drawmode, vertex::Usage usage);
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Mesh *newMesh(int vertexcount, Mesh::DrawMode drawmode, vertex::Usage usage);
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Mesh *newMesh(const std::vector<Mesh::AttribFormat> &vertexformat, int vertexcount, Mesh::DrawMode drawmode, vertex::Usage usage);
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Mesh *newMesh(const std::vector<Mesh::AttribFormat> &vertexformat, const void *data, size_t datasize, Mesh::DrawMode drawmode, vertex::Usage usage);
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Text *newText(love::graphics::Font *font, const std::vector<Font::ColoredString> &text = {});
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Video *newVideo(love::video::VideoStream *stream, float pixeldensity);
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void setViewportSize(int width, int height, int pixelwidth, int pixelheight) override;
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bool setMode(int width, int height, int pixelwidth, int pixelheight) override;
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void unSetMode() override;
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void setActive(bool active) override;
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bool isActive() const override;
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void flushStreamDraws() override;
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/**
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* Resets the current color, background color,
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* line style, and so forth. (This will be called
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* when the game reloads.
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**/
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void reset();
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void clear(Colorf color) override;
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void clear(const std::vector<OptionalColorf> &colors) override;
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void clear(Colorf color);
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void clear(const std::vector<OptionalColorf> &colors);
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void discard(const std::vector<bool> &colorbuffers, bool depthstencil) override;
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void discard(const std::vector<bool> &colorbuffers, bool depthstencil);
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void present(void *screenshotCallbackData) override;
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bool isCanvasActive() const override;
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bool isCanvasActive(Canvas *canvas) const;
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void setColor(Colorf c) override;
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/**
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* Flips buffers. (Rendered geometry is presented on screen).
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**/
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void present(void *screenshotCallbackData);
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void setCanvas(const std::vector<love::graphics::Canvas *> &canvases) override;
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void setCanvas() override;
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int getWidth() const override;
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int getHeight() const override;
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int getPixelWidth() const;
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int getPixelHeight() const;
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void setScissor(const Rect &rect) override;
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void setScissor() override;
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double getCurrentPixelDensity() const;
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double getScreenPixelDensity() const;
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void drawToStencilBuffer(StencilAction action, int value) override;
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void stopDrawToStencilBuffer() override;
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/**
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* True if a graphics viewport is set.
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**/
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bool isCreated() const;
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void setStencilTest(CompareMode compare, int value) override;
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void setStencilTest() override;
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void setCanvas(Canvas *canvas);
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void setCanvas(const std::vector<Canvas *> &canvases);
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void setCanvas(const std::vector<StrongRef<Canvas>> &canvases);
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void setCanvas();
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void clearStencil() override;
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std::vector<Canvas *> getCanvas() const;
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void setColorMask(ColorMask mask) override;
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/**
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* Scissor defines a box such that everything outside that box is discarded and not drawn.
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* Scissoring is automatically enabled.
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* @param rect The rectangle defining the scissor area.
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**/
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void setScissor(const Rect &rect);
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void intersectScissor(const Rect &rect);
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void setBlendMode(BlendMode mode, BlendAlpha alphamode) override;
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/**
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* Clears any scissor that has been created.
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**/
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void setScissor();
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void setPointSize(float size) override;
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/**
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* Gets the current scissor box.
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* @return Whether the scissor is enabled.
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*/
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bool getScissor(Rect &rect) const;
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/**
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* Enables or disables drawing to the stencil buffer. When enabled, the
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* color buffer is disabled.
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**/
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void drawToStencilBuffer(StencilAction action, int value);
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void stopDrawToStencilBuffer();
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/**
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* Sets whether stencil testing is enabled.
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**/
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void setStencilTest(CompareMode compare, int value);
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void setStencilTest();
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void getStencilTest(CompareMode &compare, int &value);
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/**
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* Clear the stencil buffer in the active Canvas(es.)
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**/
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void clearStencil();
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/**
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* Creates an Image object with padding and/or optimization.
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**/
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Image *newImage(const std::vector<love::image::ImageData *> &data, const Image::Settings &settings);
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Image *newImage(const std::vector<love::image::CompressedImageData *> &cdata, const Image::Settings &settings);
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Quad *newQuad(Quad::Viewport v, double sw, double sh);
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/**
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* Creates a Font object.
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**/
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graphics::Font *newFont(love::font::Rasterizer *data, const Texture::Filter &filter = Texture::getDefaultFilter());
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SpriteBatch *newSpriteBatch(Texture *texture, int size, Mesh::Usage usage);
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ParticleSystem *newParticleSystem(Texture *texture, int size);
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Canvas *newCanvas(int width, int height, const Canvas::Settings &settings);
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Shader *newShader(const Shader::ShaderSource &source);
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Mesh *newMesh(const std::vector<Vertex> &vertices, Mesh::DrawMode drawmode, Mesh::Usage usage);
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Mesh *newMesh(int vertexcount, Mesh::DrawMode drawmode, Mesh::Usage usage);
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Mesh *newMesh(const std::vector<Mesh::AttribFormat> &vertexformat, int vertexcount, Mesh::DrawMode drawmode, Mesh::Usage usage);
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Mesh *newMesh(const std::vector<Mesh::AttribFormat> &vertexformat, const void *data, size_t datasize, Mesh::DrawMode drawmode, Mesh::Usage usage);
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Text *newText(graphics::Font *font, const std::vector<Font::ColoredString> &text = {});
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Video *newVideo(love::video::VideoStream *stream, float pixeldensity);
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bool isGammaCorrect() const;
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/**
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* Sets the current constant color.
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**/
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void setColor(Colorf c);
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/**
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* Gets current color.
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**/
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Colorf getColor() const override;
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/**
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* Sets the background Color.
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**/
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void setBackgroundColor(Colorf c);
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/**
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* Gets the current background color.
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**/
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Colorf getBackgroundColor() const;
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void setFont(love::graphics::Font *font);
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love::graphics::Font *getFont();
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void setShader(Shader *shader);
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void setShader();
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Shader *getShader() const;
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/**
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* Sets the enabled color components when rendering.
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**/
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void setColorMask(ColorMask mask);
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/**
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* Gets the current color mask.
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**/
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ColorMask getColorMask() const;
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/**
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* Sets the current blend mode.
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**/
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void setBlendMode(BlendMode mode, BlendAlpha alphamode);
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/**
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* Gets the current blend mode.
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**/
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BlendMode getBlendMode(BlendAlpha &alphamode) const;
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/**
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* Sets the default filter for images, canvases, and fonts.
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**/
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void setDefaultFilter(const Texture::Filter &f);
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/**
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* Gets the default filter for images, canvases, and fonts.
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**/
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const Texture::Filter &getDefaultFilter() const;
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/**
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* Default Image mipmap filter mode and sharpness values.
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**/
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void setDefaultMipmapFilter(Texture::FilterMode filter, float sharpness);
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void getDefaultMipmapFilter(Texture::FilterMode *filter, float *sharpness) const;
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/**
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* Sets the line width.
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* @param width The new width of the line.
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**/
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void setLineWidth(float width);
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/**
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* Sets the line style.
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* @param style LINE_ROUGH or LINE_SMOOTH.
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**/
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void setLineStyle(LineStyle style);
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/**
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* Sets the line join mode.
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**/
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void setLineJoin(LineJoin style);
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float getLineWidth() const override;
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LineStyle getLineStyle() const override;
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LineJoin getLineJoin() const override;
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/**
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* Sets the size of points.
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**/
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void setPointSize(float size);
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/**
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* Gets the point size.
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**/
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float getPointSize() const;
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/**
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* Sets whether graphics will be drawn as wireframe lines instead of filled
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* triangles (has no effect for drawn points.)
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* This should only be used as a debugging tool. The wireframe lines do not
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* behave the same as regular love.graphics lines.
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**/
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void setWireframe(bool enable);
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/**
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* Gets whether wireframe drawing mode is enabled.
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**/
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bool isWireframe() const;
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/**
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* Draws text at the specified coordinates
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**/
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void print(const std::vector<Font::ColoredString> &str, const Matrix4 &m);
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/**
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* Draws formatted text on screen at the specified coordinates.
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**/
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void printf(const std::vector<Font::ColoredString> &str, float wrap, Font::AlignMode align, const Matrix4 &m);
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void captureScreenshot(const ScreenshotInfo &info);
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/**
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* Returns system-dependent renderer information.
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* Returned strings can vary greatly between systems! Do not rely on it for
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* anything!
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**/
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RendererInfo getRendererInfo() const;
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/**
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* Returns performance-related statistics.
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**/
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Stats getStats() const;
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void setWireframe(bool enable) override;
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bool isSupported(Feature feature) const override;
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double getSystemLimit(SystemLimit limittype) const override;
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/**
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* Gets whether a graphics feature is supported on this system.
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**/
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bool isSupported(Feature feature) const;
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void push(StackType type = STACK_TRANSFORM);
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void pop();
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RendererInfo getRendererInfo() const override;
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Stats getStats() const override;
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private:
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struct DisplayState
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{
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Colorf color = Colorf(1.0, 1.0, 1.0, 1.0);
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Colorf gammaCorrectedColor = Colorf(1.0f, 1.0f, 1.0f, 1.0f);
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Colorf backgroundColor = Colorf(0.0, 0.0, 0.0, 1.0);
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BlendMode blendMode = BLEND_ALPHA;
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BlendAlpha blendAlphaMode = BLENDALPHA_MULTIPLY;
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float lineWidth = 1.0f;
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LineStyle lineStyle = LINE_SMOOTH;
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LineJoin lineJoin = LINE_JOIN_MITER;
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float pointSize = 1.0f;
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bool scissor = false;
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Rect scissorRect = Rect();
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// Stencil.
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CompareMode stencilCompare = COMPARE_ALWAYS;
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int stencilTestValue = 0;
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StrongRef<love::graphics::Font> font;
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StrongRef<Shader> shader;
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std::vector<StrongRef<Canvas>> canvases;
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ColorMask colorMask = ColorMask(true, true, true, true);
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bool wireframe = false;
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Texture::Filter defaultFilter = Texture::Filter();
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Texture::FilterMode defaultMipmapFilter = Texture::FILTER_NEAREST;
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float defaultMipmapSharpness = 0.0f;
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};
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struct CachedRenderbuffer
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{
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int w;
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@@ -388,44 +143,18 @@ private:
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GLuint renderbuffer;
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};
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void restoreState(const DisplayState &s);
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void restoreStateChecked(const DisplayState &s);
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void endPass();
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void bindCachedFBO(const std::vector<Canvas *> &canvases);
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void bindCachedFBO(const std::vector<love::graphics::Canvas *> &canvases);
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void discard(OpenGL::FramebufferTarget target, const std::vector<bool> &colorbuffers, bool depthstencil);
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GLuint attachCachedStencilBuffer(int w, int h, int samples);
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void setDebug(bool enable);
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void checkSetDefaultFont();
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StrongRef<love::graphics::Font> defaultFont;
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std::vector<ScreenshotInfo> pendingScreenshotCallbacks;
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std::unordered_map<uint32, GLuint> framebufferObjects;
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std::vector<CachedRenderbuffer> stencilBuffers;
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QuadIndices *quadIndices;
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int width;
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int height;
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int pixelWidth;
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int pixelHeight;
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bool created;
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bool active;
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bool writingToStencil;
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std::vector<DisplayState> states;
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std::vector<StackType> stackTypes; // Keeps track of the pushed stack types.
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int canvasSwitchCount;
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static const size_t MAX_USER_STACK_DEPTH = 64;
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}; // Graphics
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} // opengl
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Block a user