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Support textures filtering

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raysan5
2016-10-29 22:17:19 +02:00
parent 43fd9ffe08
commit 988d39029f
4 changed files with 178 additions and 48 deletions
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35
src/rlgl.h
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@@ -91,10 +91,22 @@
#endif
// Texture parameters (equivalent to OpenGL defines)
#define RL_TEXTURE_MAG_FILTER 0x2800
#define RL_TEXTURE_MIN_FILTER 0x2801
#define RL_TEXTURE_WRAP_S 0x2802
#define RL_TEXTURE_WRAP_T 0x2803
#define RL_TEXTURE_WRAP_S 0x2802 // GL_TEXTURE_WRAP_S
#define RL_TEXTURE_WRAP_T 0x2803 // GL_TEXTURE_WRAP_T
#define RL_TEXTURE_MAG_FILTER 0x2800 // GL_TEXTURE_MAG_FILTER
#define RL_TEXTURE_MIN_FILTER 0x2801 // GL_TEXTURE_MIN_FILTER
#define RL_TEXTURE_ANISOTROPIC_FILTER 0x3000 // Anisotropic filter (custom identifier)
#define RL_FILTER_NEAREST 0x2600 // GL_NEAREST
#define RL_FILTER_LINEAR 0x2601 // GL_LINEAR
#define RL_FILTER_MIP_NEAREST 0x2700 // GL_NEAREST_MIPMAP_NEAREST
#define RL_FILTER_NEAREST_MIP_LINEAR 0x2702 // GL_NEAREST_MIPMAP_LINEAR
#define RL_FILTER_LINEAR_MIP_NEAREST 0x2701 // GL_LINEAR_MIPMAP_NEAREST
#define RL_FILTER_MIP_LINEAR 0x2703 // GL_LINEAR_MIPMAP_LINEAR
#define RL_WRAP_REPEAT 0x2901 // GL_REPEAT
#define RL_WRAP_CLAMP 0x812F // GL_CLAMP_TO_EDGE
#define RL_WRAP_CLAMP_MIRROR 0x8742 // GL_MIRROR_CLAMP_EXT
//----------------------------------------------------------------------------------
// Types and Structures Definition
@@ -242,6 +254,21 @@ typedef enum { RL_LINES, RL_TRIANGLES, RL_QUADS } DrawMode;
// Light types
typedef enum { LIGHT_POINT, LIGHT_DIRECTIONAL, LIGHT_SPOT } LightType;
// Texture parameters: filter mode
// NOTE 1: Filtering considers mipmaps if available in the texture
// NOTE 2: Filter is accordingly set for minification and magnification
typedef enum {
FILTER_POINT = 0, // No filter, just pixel aproximation
FILTER_BILINEAR, // Linear filtering
FILTER_TRILINEAR, // Trilinear filtering (linear with mipmaps)
FILTER_ANISOTROPIC_4X, // Anisotropic filtering 4x
FILTER_ANISOTROPIC_8X, // Anisotropic filtering 8x
FILTER_ANISOTROPIC_16X, // Anisotropic filtering 16x
} TextureFilterMode;
// Texture parameters: wrap mode
typedef enum { WRAP_REPEAT = 0, WRAP_CLAMP, WRAP_MIRROR } TextureWrapMode;
// Color blending modes (pre-defined)
typedef enum { BLEND_ALPHA = 0, BLEND_ADDITIVE, BLEND_MULTIPLIED } BlendMode;