72 lines
2.0 KiB
C
72 lines
2.0 KiB
C
#pragma once
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#include <math.h>
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#include <memory.h>
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#include "../types.h"
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#define MATH_Fast_Divide(n, d) (n / d)
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#define MATH_fmac(a, b, c) (a * b + c)
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#define MATH_Fast_Sqrt(x) sqrtf((x))
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#define MATH_fsrra(x) (1.0f / sqrtf((x)))
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#define MATH_Fast_Invert(x) (1.0f / (x))
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#define FASTCPY(dst, src, bytes) memcpy(dst, src, bytes)
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#define MEMCPY(dst, src, bytes) memcpy(dst, src, bytes)
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#define MEMCPY4(dst, src, bytes) memcpy(dst, src, bytes)
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#define MEMSET4(dst, v, size) memset((dst), (v), (size))
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#define VEC3_NORMALIZE(x, y, z) \
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do { \
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float l = MATH_fsrra((x) * (x) + (y) * (y) + (z) * (z)); \
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x *= l; \
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y *= l; \
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z *= l; \
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} while(0)
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#define VEC3_LENGTH(x, y, z, d) \
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d = MATH_Fast_Sqrt((x) * (x) + (y) * (y) + (z) * (z))
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#define VEC3_DOT(x1, y1, z1, x2, y2, z2, d) \
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d = (x1 * x2) + (y1 * y2) + (z1 * z2)
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struct PolyHeader;
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struct PolyContext;
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void UploadMatrix4x4(const Matrix4x4* mat);
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void MultiplyMatrix4x4(const Matrix4x4* mat);
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void DownloadMatrix4x4(Matrix4x4* mat);
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/* Transform a 3-element vector in-place using the stored matrix (w == 1) */
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void TransformVec3(float* v);
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/* Transform a 3-element vector using the stored matrix (w == 1) */
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void TransformVec3NoMod(const float* v, float* ret);
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/* Transform a 3-element normal using the stored matrix (w == 0)*/
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static inline void TransformNormalNoMod(const float* xIn, float* xOut) {
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}
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void TransformVertices(Vertex* vertices, const int count);
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void InitGPU(_Bool autosort, _Bool fsaa);
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enum GPUPaletteFormat;
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size_t GPUMemoryAvailable();
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void* GPUMemoryAlloc(size_t size);
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void GPUSetPaletteFormat(GPUPaletteFormat format);
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void GPUSetPaletteEntry(uint32_t idx, uint32_t value);
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void GPUSetBackgroundColour(float r, float g, float b);
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void GPUSetAlphaCutOff(uint8_t v);
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void GPUSetClearDepth(float v);
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void GPUSetFogLinear(float start, float end);
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void GPUSetFogExp(float density);
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void GPUSetFogExp2(float density);
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void GPUSetFogColor(float r, float g, float b, float a);
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