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Added sRGB (gamma-correct) support for Images, Canvases, and the main screen.

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love.graphics.newImage(path, “srgb”) creates a new Image whose texels are treated as being in the sRGB color space, so they are linearized when drawing/sampling from the image.

love.graphics.newCanvas(w, h, “srgb”) creates a new Canvas whose texels are treated as being in the sRGB color space, so drawing to the Canvas does a linear->sRGB conversion (but blends linearly), and sampling from it (drawing it or using it in a shader) converts from sRGB to linear space.

The "srgb" window flag does the same as Canvases for the main screen.
This commit is contained in:
Alex Szpakowski
2014-02-02 18:31:41 -04:00
parent 9e746c56fa
commit ce4fdf4ac9
20 changed files with 237 additions and 95 deletions
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src/modules/graphics/opengl/Graphics.h
+4 -4
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@@ -112,7 +112,7 @@ public:
void restoreState(const DisplayState &s);
virtual void setViewportSize(int width, int height);
virtual bool setMode(int width, int height);
virtual bool setMode(int width, int height, bool &sRGB);
virtual void unSetMode();
void setDebug(bool enable);
@@ -191,8 +191,8 @@ public:
/**
* Creates an Image object with padding and/or optimization.
**/
Image *newImage(love::image::ImageData *data);
Image *newImage(love::image::CompressedData *cdata);
Image *newImage(love::image::ImageData *data, Texture::Format format = Texture::FORMAT_NORMAL);
Image *newImage(love::image::CompressedData *cdata, Texture::Format format = Texture::FORMAT_NORMAL);
Quad *newQuad(Quad::Viewport v, float sw, float sh);
@@ -205,7 +205,7 @@ public:
ParticleSystem *newParticleSystem(Texture *texture, int size);
Canvas *newCanvas(int width, int height, Canvas::TextureType texture_type = Canvas::TYPE_NORMAL, int fsaa = 0);
Canvas *newCanvas(int width, int height, Texture::Format format = Texture::FORMAT_NORMAL, int fsaa = 0);
Shader *newShader(const Shader::ShaderSources &sources);