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This commit is contained in:
Luke Benstead 2021-04-05 12:58:40 +01:00
parent 7214852dca
commit 60992f2bc5
5 changed files with 29 additions and 18 deletions
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24
GL/lighting.c
View File

@ -5,6 +5,7 @@
#include <limits.h>
#include "private.h"
#include "platform.h"
#define _MIN(x, y) (x < y) ? x : y
@ -455,7 +456,7 @@ GL_FORCE_INLINE void _glLightVertexPoint(
#undef _PROCESS_COMPONENT
}
void _glPerformLighting(Vertex* vertices, EyeSpaceData* es, const int32_t count) {
void _glPerformLighting(Vertex* vertices, EyeSpaceData* es, const uint32_t count) {
GLubyte i;
GLuint j;
@ -503,7 +504,7 @@ void _glPerformLighting(Vertex* vertices, EyeSpaceData* es, const int32_t count)
float Vx = -data->xyz[0];
float Vy = -data->xyz[1];
float Vz = -data->xyz[2];
vec3f_normalize(Vx, Vy, Vz);
VEC3_NORMALIZE(Vx, Vy, Vz);
const float Nx = data->n[0];
const float Ny = data->n[1];
@ -523,15 +524,15 @@ void _glPerformLighting(Vertex* vertices, EyeSpaceData* es, const int32_t count)
float Hy = (Ly + 0);
float Hz = (Lz + 1);
vec3f_normalize(Lx, Ly, Lz);
vec3f_normalize(Hx, Hy, Hz);
VEC3_NORMALIZE(Lx, Ly, Lz);
VEC3_NORMALIZE(Hx, Hy, Hz);
float LdotN, NdotH;
vec3f_dot(
VEC3_DOT(
Nx, Ny, Nz, Lx, Ly, Lz, LdotN
);
vec3f_dot(
VEC3_DOT(
Nx, Ny, Nz, Hx, Hy, Hz, NdotH
);
@ -544,8 +545,7 @@ void _glPerformLighting(Vertex* vertices, EyeSpaceData* es, const int32_t count)
);
} else {
float D;
vec3f_length(Lx, Ly, Lz, D);
VEC3_LENGTH(Lx, Ly, Lz, D);
float att = (
LIGHTS[i].constant_attenuation + (
@ -563,15 +563,15 @@ void _glPerformLighting(Vertex* vertices, EyeSpaceData* es, const int32_t count)
float Hy = (Ly + Vy);
float Hz = (Lz + Vz);
vec3f_normalize(Lx, Ly, Lz);
vec3f_normalize(Hx, Hy, Hz);
VEC3_NORMALIZE(Lx, Ly, Lz);
VEC3_NORMALIZE(Hx, Hy, Hz);
float LdotN, NdotH;
vec3f_dot(
VEC3_DOT(
Nx, Ny, Nz, Lx, Ly, Lz, LdotN
);
vec3f_dot(
VEC3_DOT(
Nx, Ny, Nz, Hx, Hy, Hz, NdotH
);

2
GL/matrix.c
View File

@ -1,5 +1,5 @@
#include <string.h>
#include <math.h>
#include <stdio.h>
#include "private.h"

2
GL/platform.h
View File

@ -244,6 +244,8 @@ enum GPUCommand {
GPU_CMD_SPRITE = 0xA0000000
};
typedef float Matrix4x4[16];
void SceneBegin();
void SceneListBegin(GPUList list);

16
GL/platforms/x86.h
View File

@ -14,21 +14,31 @@
#define FASTCPY(dst, src, bytes) memcpy(dst, src, bytes)
#define FASTCPY4(dst, src, bytes) memcpy(dst, src, bytes)
#define MEMSET4(dst, v, size) memset((dst), (v), (size))
#define NORMALIZEVEC3(x, y, z) \
do { \
float l = MATH_fsrra((x) * (x) + (y) * (y) + (z) * (z)); \
x *= l; \
y *= l; \
z *= l; \
while(0); \
struct PolyHeader;
struct PolyContext;
inline void CompilePolyHeader(PolyHeader* out, const PolyContext* in) {
(void) out;
(void) in;
}
inline void UploadMatrix4x4(const float* mat) {
inline void UploadMatrix4x4(const Matrix4x4* mat) {
(void) mat;
}
inline void MultiplyMatrix4x4(const float* mat) {
inline void MultiplyMatrix4x4(const Matrix4x4* mat) {
(void) mat;
}
inline void DownloadMatrix4x4(float* mat) {
inline void DownloadMatrix4x4(Matrix4x4* mat) {
(void) mat;
}

3
GL/private.h
View File

@ -38,7 +38,6 @@ extern void* memcpy4 (void *dest, const void *src, size_t count);
#define MAX_TEXTURE_SIZE 1024
typedef float Matrix4x4[16];
/* This gives us an easy way to switch
* internal matrix order if necessary */
@ -341,7 +340,7 @@ typedef struct {
float finalColour[4]; //16 bytes (to 40)
} EyeSpaceData;
extern void _glPerformLighting(Vertex* vertices, EyeSpaceData *es, const int32_t count);
extern void _glPerformLighting(Vertex* vertices, EyeSpaceData *es, const uint32_t count);
unsigned char _glIsClippingEnabled();
void _glEnableClipping(unsigned char v);