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Update SH4_math.h and stop storing the near plane

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This commit is contained in:
Luke Benstead 2020-03-21 21:21:46 +00:00
parent f2a39a4229
commit a1eda16a26
5 changed files with 1795 additions and 56 deletions
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33
GL/matrix.c
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@ -36,15 +36,6 @@ static const Matrix4x4 IDENTITY = {
GLfloat NEAR_PLANE_DISTANCE = 0.0f;
static void _glStoreNearPlane() {
Matrix4x4* proj = (Matrix4x4*) stack_top(MATRIX_STACKS + (GL_PROJECTION & 0xF));
GLfloat a = *(*proj + 10);
GLfloat b = *(*proj + 14);
NEAR_PLANE_DISTANCE = -b / (1.0f - a);
}
static inline void upload_matrix(Matrix4x4* m) {
mat_load((matrix_t*) m);
}
@ -315,10 +306,6 @@ void APIENTRY glFrustum(GLfloat left, GLfloat right,
upload_matrix(stack_top(MATRIX_STACKS + MATRIX_IDX));
multiply_matrix(&FrustumMatrix);
download_matrix(stack_top(MATRIX_STACKS + MATRIX_IDX));
if(MATRIX_MODE == GL_PROJECTION) {
_glStoreNearPlane();
}
}
@ -353,10 +340,6 @@ void glMultMatrixf(const GLfloat *m) {
if(MATRIX_MODE == GL_MODELVIEW) {
recalculateNormalMatrix();
}
if(MATRIX_MODE == GL_PROJECTION) {
_glStoreNearPlane();
}
}
/* Load an arbitrary transposed matrix */
@ -391,10 +374,6 @@ void glLoadTransposeMatrixf(const GLfloat *m) {
if(MATRIX_MODE == GL_MODELVIEW) {
recalculateNormalMatrix();
}
if(MATRIX_MODE == GL_PROJECTION) {
_glStoreNearPlane();
}
}
/* Multiply the current matrix by an arbitrary transposed matrix */
@ -428,10 +407,6 @@ void glMultTransposeMatrixf(const GLfloat *m) {
if(MATRIX_MODE == GL_MODELVIEW) {
recalculateNormalMatrix();
}
if(MATRIX_MODE == GL_PROJECTION) {
_glStoreNearPlane();
}
}
/* Set the GL viewport */
@ -456,10 +431,6 @@ void APIENTRY glViewport(GLint x, GLint y, GLsizei width, GLsizei height) {
SCREENVIEW_MATRIX[M13] = (tw + bw) / 2.0f;
}
GLfloat _glGetNearPlane() {
return NEAR_PLANE_DISTANCE;
}
/* Set the depth range */
void APIENTRY glDepthRangef(GLclampf n, GLclampf f) {
if(n < 0.0f) n = 0.0f;
@ -483,11 +454,11 @@ static inline void vec3f_cross(const GLfloat* v1, const GLfloat* v2, GLfloat* re
result[2] = v1[0] * v2[1] - v1[1] * v2[0];
}
static inline void vec3f_normalize_sh4(float *v){
GL_FORCE_INLINE void vec3f_normalize_sh4(float *v){
float length, ilength;
ilength = MATH_fsrra(v[0]*v[0] + v[1]*v[1] + v[2]*v[2]);
length = MATH_Invert(ilength);
length = MATH_Fast_Invert(ilength);
if (length)
{
v[0] *= ilength;

4
GL/private.h
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@ -272,10 +272,6 @@ GLubyte _glInitTextures();
void _glUpdatePVRTextureContext(pvr_poly_cxt_t* context, GLshort textureUnit);
void _glAllocateSpaceForMipmaps(TextureObject* active);
extern GLfloat NEAR_PLANE_DISTANCE;
GLfloat _glGetNearPlane();
typedef struct {
const void* ptr;
GLenum type;

1808
GL/sh4_math.h
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File diff suppressed because it is too large Load Diff

2
GL/version.h
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@ -1,3 +1,3 @@
#pragma once
#define GLDC_VERSION "1.1-102-g71c25-dirty"
#define GLDC_VERSION "1.1-104-gf2a3-dirty"

4
samples/zclip_triangle/main.c
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@ -20,7 +20,7 @@ void InitGL(int Width, int Height) // We call this right after our OpenG
glMatrixMode(GL_PROJECTION);
glLoadIdentity(); // Reset The Projection Matrix
gluPerspective(45.0f,(GLfloat)Width/(GLfloat)Height,0.1f,100.0f); // Calculate The Aspect Ratio Of The Window
gluPerspective(45.0f,(GLfloat)Width/(GLfloat)Height,1.0f,100.0f); // Calculate The Aspect Ratio Of The Window
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
@ -37,7 +37,7 @@ void ReSizeGLScene(int Width, int Height)
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
gluPerspective(45.0f,(GLfloat)Width/(GLfloat)Height,0.1f,100.0f);
gluPerspective(45.0f,(GLfloat)Width/(GLfloat)Height,1.0f,100.0f);
glMatrixMode(GL_MODELVIEW);
}