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Refactor sampler state parameters for textures.

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This commit is contained in:
Alex Szpakowski
2020-02-02 22:26:28 -04:00
parent f24b1aa377
commit f9248d478c
23 changed files with 473 additions and 585 deletions
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src/modules/graphics/Texture.h
+53 -61
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@@ -55,16 +55,8 @@ enum TextureType
TEXTURE_MAX_ENUM
};
/**
* Base class for 2D textures. All textures can be drawn with Quads, have a
* width and height, and have filter and wrap modes.
**/
class Texture : public Drawable, public Resource
struct SamplerState
{
public:
static love::Type type;
enum WrapMode
{
WRAP_CLAMP,
@@ -77,26 +69,63 @@ public:
enum FilterMode
{
FILTER_NONE,
FILTER_LINEAR,
FILTER_NEAREST,
FILTER_MAX_ENUM
};
struct Filter
enum MipmapFilterMode
{
FilterMode min = FILTER_LINEAR;
FilterMode mag = FILTER_LINEAR;
FilterMode mipmap = FILTER_NONE;
float anisotropy = 1.0f;
MIPMAP_FILTER_NONE,
MIPMAP_FILTER_LINEAR,
MIPMAP_FILTER_NEAREST,
MIPMAP_FILTER_MAX_ENUM
};
struct Wrap
{
WrapMode s = WRAP_CLAMP;
WrapMode t = WRAP_CLAMP;
WrapMode r = WRAP_CLAMP;
};
FilterMode minFilter = FILTER_LINEAR;
FilterMode magFilter = FILTER_LINEAR;
MipmapFilterMode mipmapFilter = MIPMAP_FILTER_NONE;
WrapMode wrapU = WRAP_CLAMP;
WrapMode wrapV = WRAP_CLAMP;
WrapMode wrapW = WRAP_CLAMP;
float lodBias = 0.0f;
uint8 maxAnisotropy = 1;
uint8 minLod = 0;
uint8 maxLod = LOVE_UINT8_MAX;
Optional<CompareMode> depthSampleMode;
uint64 toKey() const;
static SamplerState fromKey(uint64 key);
static bool isClampZeroOrOne(WrapMode w);
static bool getConstant(const char *in, FilterMode &out);
static bool getConstant(FilterMode in, const char *&out);
static std::vector<std::string> getConstants(FilterMode);
static bool getConstant(const char *in, MipmapFilterMode &out);
static bool getConstant(MipmapFilterMode in, const char *&out);
static std::vector<std::string> getConstants(MipmapFilterMode);
static bool getConstant(const char *in, WrapMode &out);
static bool getConstant(WrapMode in, const char *&out);
static std::vector<std::string> getConstants(WrapMode);
};
/**
* Base class for 2D textures. All textures can be drawn with Quads, have a
* width and height, and have filter and wrap modes.
**/
class Texture : public Drawable, public Resource
{
public:
static love::Type type;
enum MipmapsType
{
@@ -135,10 +164,6 @@ public:
}; // Slices
static Filter defaultFilter;
static FilterMode defaultMipmapFilter;
static float defaultMipmapSharpness;
static int64 totalGraphicsMemory;
Texture(TextureType texType);
@@ -173,40 +198,18 @@ public:
float getDPIScale() const;
virtual void setFilter(const Filter &f);
virtual const Filter &getFilter() const;
virtual bool setWrap(const Wrap &w) = 0;
virtual const Wrap &getWrap() const;
// Sets the mipmap texture LOD bias (sharpness) value.
virtual bool setMipmapSharpness(float sharpness) = 0;
float getMipmapSharpness() const;
virtual void setDepthSampleMode(Optional<CompareMode> mode = Optional<CompareMode>());
Optional<CompareMode> getDepthSampleMode() const;
virtual void setSamplerState(const SamplerState &s);
const SamplerState &getSamplerState() const;
Quad *getQuad() const;
static bool validateFilter(const Filter &f, bool mipmapsAllowed);
static int getTotalMipmapCount(int w, int h);
static int getTotalMipmapCount(int w, int h, int d);
static bool isClampZeroOrOne(WrapMode w) { return w == WRAP_CLAMP_ZERO || w == WRAP_CLAMP_ONE; }
static bool getConstant(const char *in, TextureType &out);
static bool getConstant(TextureType in, const char *&out);
static std::vector<std::string> getConstants(TextureType);
static bool getConstant(const char *in, FilterMode &out);
static bool getConstant(FilterMode in, const char *&out);
static std::vector<std::string> getConstants(FilterMode);
static bool getConstant(const char *in, WrapMode &out);
static bool getConstant(WrapMode in, const char *&out);
static std::vector<std::string> getConstants(WrapMode);
protected:
void initQuad();
@@ -229,12 +232,7 @@ protected:
int pixelWidth;
int pixelHeight;
Filter filter;
Wrap wrap;
float mipmapSharpness;
Optional<CompareMode> depthCompareMode;
SamplerState samplerState;
StrongRef<Quad> quad;
@@ -245,12 +243,6 @@ private:
static StringMap<TextureType, TEXTURE_MAX_ENUM>::Entry texTypeEntries[];
static StringMap<TextureType, TEXTURE_MAX_ENUM> texTypes;
static StringMap<FilterMode, FILTER_MAX_ENUM>::Entry filterModeEntries[];
static StringMap<FilterMode, FILTER_MAX_ENUM> filterModes;
static StringMap<WrapMode, WRAP_MAX_ENUM>::Entry wrapModeEntries[];
static StringMap<WrapMode, WRAP_MAX_ENUM> wrapModes;
}; // Texture
} // graphics