| #include "rs_core.rsh" |
| #include "rs_graphics.rsh" |
| #include "rs_structs.h" |
| |
| /* Declaration of 4 basic functions in libRS */ |
| extern void __attribute__((overloadable)) |
| rsDebug(const char *, float, float); |
| extern void __attribute__((overloadable)) |
| rsDebug(const char *, float, float, float); |
| extern void __attribute__((overloadable)) |
| rsDebug(const char *, float, float, float, float); |
| extern float4 __attribute__((overloadable)) convert_float4(uchar4 c); |
| |
| /* Implementation of Core Runtime */ |
| |
| extern void __attribute__((overloadable)) rsDebug(const char *s, float2 v) { |
| rsDebug(s, v.x, v.y); |
| } |
| |
| extern void __attribute__((overloadable)) rsDebug(const char *s, float3 v) { |
| rsDebug(s, v.x, v.y, v.z); |
| } |
| |
| extern void __attribute__((overloadable)) rsDebug(const char *s, float4 v) { |
| rsDebug(s, v.x, v.y, v.z, v.w); |
| } |
| |
| /* |
| extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b) |
| { |
| uchar4 c; |
| c.x = (uchar)(r * 255.f + 0.5f); |
| c.y = (uchar)(g * 255.f + 0.5f); |
| c.z = (uchar)(b * 255.f + 0.5f); |
| c.w = 255; |
| return c; |
| } |
| |
| extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float r, float g, float b, float a) |
| { |
| uchar4 c; |
| c.x = (uchar)(r * 255.f + 0.5f); |
| c.y = (uchar)(g * 255.f + 0.5f); |
| c.z = (uchar)(b * 255.f + 0.5f); |
| c.w = (uchar)(a * 255.f + 0.5f); |
| return c; |
| } |
| |
| extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float3 color) |
| { |
| color *= 255.f; |
| color += 0.5f; |
| uchar4 c = {color.x, color.y, color.z, 255}; |
| return c; |
| } |
| |
| extern uchar4 __attribute__((overloadable)) rsPackColorTo8888(float4 color) |
| { |
| color *= 255.f; |
| color += 0.5f; |
| uchar4 c = {color.x, color.y, color.z, color.w}; |
| return c; |
| } |
| */ |
| |
| extern float4 rsUnpackColor8888(uchar4 c) |
| { |
| float4 ret = (float4)0.003921569f; |
| ret *= convert_float4(c); |
| return ret; |
| } |
| |
| ///////////////////////////////////////////////////// |
| // Matrix ops |
| ///////////////////////////////////////////////////// |
| |
| extern void __attribute__((overloadable)) |
| rsMatrixSet(rs_matrix4x4 *m, uint32_t row, uint32_t col, float v) { |
| m->m[row * 4 + col] = v; |
| } |
| |
| extern float __attribute__((overloadable)) |
| rsMatrixGet(const rs_matrix4x4 *m, uint32_t row, uint32_t col) { |
| return m->m[row * 4 + col]; |
| } |
| |
| extern void __attribute__((overloadable)) |
| rsMatrixSet(rs_matrix3x3 *m, uint32_t row, uint32_t col, float v) { |
| m->m[row * 3 + col] = v; |
| } |
| |
| extern float __attribute__((overloadable)) |
| rsMatrixGet(const rs_matrix3x3 *m, uint32_t row, uint32_t col) { |
| return m->m[row * 3 + col]; |
| } |
| |
| extern void __attribute__((overloadable)) |
| rsMatrixSet(rs_matrix2x2 *m, uint32_t row, uint32_t col, float v) { |
| m->m[row * 2 + col] = v; |
| } |
| |
| extern float __attribute__((overloadable)) |
| rsMatrixGet(const rs_matrix2x2 *m, uint32_t row, uint32_t col) { |
| return m->m[row * 2 + col]; |
| } |
| |
| /* |
| extern float4 __attribute__((overloadable)) |
| rsMatrixMultiply(const rs_matrix4x4 *m, float4 in) { |
| float4 ret; |
| ret.x = (m->m[0] * in.x) + (m->m[4] * in.y) + (m->m[8] * in.z) + (m->m[12] * in.w); |
| ret.y = (m->m[1] * in.x) + (m->m[5] * in.y) + (m->m[9] * in.z) + (m->m[13] * in.w); |
| ret.z = (m->m[2] * in.x) + (m->m[6] * in.y) + (m->m[10] * in.z) + (m->m[14] * in.w); |
| ret.w = (m->m[3] * in.x) + (m->m[7] * in.y) + (m->m[11] * in.z) + (m->m[15] * in.w); |
| return ret; |
| } |
| extern float4 __attribute__((overloadable)) |
| rsMatrixMultiply(rs_matrix4x4 *m, float4 in) { |
| return rsMatrixMultiply((const rs_matrix4x4 *)m, in); |
| } |
| |
| extern float4 __attribute__((overloadable)) |
| rsMatrixMultiply(const rs_matrix4x4 *m, float3 in) { |
| float4 ret; |
| ret.x = (m->m[0] * in.x) + (m->m[4] * in.y) + (m->m[8] * in.z) + m->m[12]; |
| ret.y = (m->m[1] * in.x) + (m->m[5] * in.y) + (m->m[9] * in.z) + m->m[13]; |
| ret.z = (m->m[2] * in.x) + (m->m[6] * in.y) + (m->m[10] * in.z) + m->m[14]; |
| ret.w = (m->m[3] * in.x) + (m->m[7] * in.y) + (m->m[11] * in.z) + m->m[15]; |
| return ret; |
| } |
| extern float4 __attribute__((overloadable)) |
| rsMatrixMultiply(rs_matrix4x4 *m, float3 in) { |
| return rsMatrixMultiply((const rs_matrix4x4 *)m, in); |
| } |
| |
| extern float4 __attribute__((overloadable)) |
| rsMatrixMultiply(const rs_matrix4x4 *m, float2 in) { |
| float4 ret; |
| ret.x = (m->m[0] * in.x) + (m->m[4] * in.y) + m->m[12]; |
| ret.y = (m->m[1] * in.x) + (m->m[5] * in.y) + m->m[13]; |
| ret.z = (m->m[2] * in.x) + (m->m[6] * in.y) + m->m[14]; |
| ret.w = (m->m[3] * in.x) + (m->m[7] * in.y) + m->m[15]; |
| return ret; |
| } |
| extern float4 __attribute__((overloadable)) |
| rsMatrixMultiply(rs_matrix4x4 *m, float2 in) { |
| return rsMatrixMultiply((const rs_matrix4x4 *)m, in); |
| } |
| |
| extern float3 __attribute__((overloadable)) |
| rsMatrixMultiply(const rs_matrix3x3 *m, float3 in) { |
| float3 ret; |
| ret.x = (m->m[0] * in.x) + (m->m[3] * in.y) + (m->m[6] * in.z); |
| ret.y = (m->m[1] * in.x) + (m->m[4] * in.y) + (m->m[7] * in.z); |
| ret.z = (m->m[2] * in.x) + (m->m[5] * in.y) + (m->m[8] * in.z); |
| return ret; |
| } |
| extern float3 __attribute__((overloadable)) |
| rsMatrixMultiply(rs_matrix3x3 *m, float3 in) { |
| return rsMatrixMultiply((const rs_matrix3x3 *)m, in); |
| } |
| |
| extern float3 __attribute__((overloadable)) |
| rsMatrixMultiply(const rs_matrix3x3 *m, float2 in) { |
| float3 ret; |
| ret.x = (m->m[0] * in.x) + (m->m[3] * in.y); |
| ret.y = (m->m[1] * in.x) + (m->m[4] * in.y); |
| ret.z = (m->m[2] * in.x) + (m->m[5] * in.y); |
| return ret; |
| } |
| extern float3 __attribute__((overloadable)) |
| rsMatrixMultiply(rs_matrix3x3 *m, float2 in) { |
| return rsMatrixMultiply((const rs_matrix3x3 *)m, in); |
| } |
| */ |
| |
| extern float2 __attribute__((overloadable)) |
| rsMatrixMultiply(const rs_matrix2x2 *m, float2 in) { |
| float2 ret; |
| ret.x = (m->m[0] * in.x) + (m->m[2] * in.y); |
| ret.y = (m->m[1] * in.x) + (m->m[3] * in.y); |
| return ret; |
| } |
| extern float2 __attribute__((overloadable)) |
| rsMatrixMultiply(rs_matrix2x2 *m, float2 in) { |
| return rsMatrixMultiply((const rs_matrix2x2 *)m, in); |
| } |
| |
| ///////////////////////////////////////////////////// |
| // int ops |
| ///////////////////////////////////////////////////// |
| |
| extern uint __attribute__((overloadable, always_inline)) rsClamp(uint amount, uint low, uint high) { |
| return amount < low ? low : (amount > high ? high : amount); |
| } |
| extern int __attribute__((overloadable, always_inline)) rsClamp(int amount, int low, int high) { |
| return amount < low ? low : (amount > high ? high : amount); |
| } |
| extern ushort __attribute__((overloadable, always_inline)) rsClamp(ushort amount, ushort low, ushort high) { |
| return amount < low ? low : (amount > high ? high : amount); |
| } |
| extern short __attribute__((overloadable, always_inline)) rsClamp(short amount, short low, short high) { |
| return amount < low ? low : (amount > high ? high : amount); |
| } |
| extern uchar __attribute__((overloadable, always_inline)) rsClamp(uchar amount, uchar low, uchar high) { |
| return amount < low ? low : (amount > high ? high : amount); |
| } |
| extern char __attribute__((overloadable, always_inline)) rsClamp(char amount, char low, char high) { |
| return amount < low ? low : (amount > high ? high : amount); |
| } |