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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/Texture.h
+14
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@@ -55,6 +55,14 @@ public:
FILTER_MAX_ENUM
};
enum Format
{
FORMAT_NORMAL,
FORMAT_HDR,
FORMAT_SRGB,
FORMAT_MAX_ENUM
};
struct Filter
{
Filter();
@@ -111,6 +119,9 @@ public:
static bool getConstant(const char *in, WrapMode &out);
static bool getConstant(WrapMode in, const char *&out);
static bool getConstant(const char *in, Format &out);
static bool getConstant(Format in, const char *&out);
protected:
int width;
@@ -132,6 +143,9 @@ private:
static StringMap<WrapMode, WRAP_MAX_ENUM>::Entry wrapModeEntries[];
static StringMap<WrapMode, WRAP_MAX_ENUM> wrapModes;
static StringMap<Format, FORMAT_MAX_ENUM>::Entry formatEntries[];
static StringMap<Format, FORMAT_MAX_ENUM> formats;
}; // Texture
} // graphics