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Fix bugs in immediate mode

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This commit is contained in:
Luke Benstead 2018-05-14 16:58:58 +01:00
parent 4106206562
commit de1fb05ac1
1 changed files with 21 additions and 12 deletions
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33
GL/immediate.c
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@ -19,6 +19,11 @@ static AlignedVector TEXCOORDS;
static AlignedVector NORMALS;
static GLfloat NORMAL[3] = {0.0f, 0.0f, 1.0f};
static GLfloat COLOR[4] = {1.0f, 1.0f, 1.0f, 1.0f};
static GLfloat TEXCOORD[2] = {0.0f, 0.0f};
void initImmediateMode() {
aligned_vector_init(&VERTICES, sizeof(GLfloat));
aligned_vector_init(&COLOURS, sizeof(GLfloat));
@ -49,10 +54,10 @@ void APIENTRY glBegin(GLenum mode) {
}
void APIENTRY glColor4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a) {
aligned_vector_push_back(&COLOURS, &r, 1);
aligned_vector_push_back(&COLOURS, &g, 1);
aligned_vector_push_back(&COLOURS, &b, 1);
aligned_vector_push_back(&COLOURS, &a, 1);
COLOR[0] = r;
COLOR[1] = g;
COLOR[2] = b;
COLOR[3] = a;
}
void APIENTRY glColor4fv(const GLfloat* v) {
@ -72,6 +77,12 @@ void APIENTRY glVertex3f(GLfloat x, GLfloat y, GLfloat z) {
aligned_vector_push_back(&VERTICES, &x, 1);
aligned_vector_push_back(&VERTICES, &y, 1);
aligned_vector_push_back(&VERTICES, &z, 1);
/* Push back the stashed colour, normal and texcoord */
aligned_vector_push_back(&COLOURS, COLOR, 4);
aligned_vector_push_back(&TEXCOORDS, TEXCOORD, 2);
aligned_vector_push_back(&NORMALS, NORMAL, 3);
}
void APIENTRY glVertex3fv(const GLfloat* v) {
@ -79,9 +90,7 @@ void APIENTRY glVertex3fv(const GLfloat* v) {
}
void APIENTRY glVertex4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w) {
aligned_vector_push_back(&VERTICES, &x, 1);
aligned_vector_push_back(&VERTICES, &y, 1);
aligned_vector_push_back(&VERTICES, &z, 1);
glVertex3f(x, y, z);
}
void APIENTRY glVertex4fv(const GLfloat* v) {
@ -89,8 +98,8 @@ void APIENTRY glVertex4fv(const GLfloat* v) {
}
void APIENTRY glTexCoord2f(GLfloat u, GLfloat v) {
aligned_vector_push_back(&TEXCOORDS, &u, 1);
aligned_vector_push_back(&TEXCOORDS, &v, 1);
TEXCOORD[0] = u;
TEXCOORD[1] = v;
}
void APIENTRY glTexCoord2fv(const GLfloat* v) {
@ -98,9 +107,9 @@ void APIENTRY glTexCoord2fv(const GLfloat* v) {
}
void APIENTRY glNormal3f(GLfloat x, GLfloat y, GLfloat z) {
aligned_vector_push_back(&NORMALS, &x, 1);
aligned_vector_push_back(&NORMALS, &y, 1);
aligned_vector_push_back(&NORMALS, &z, 1);
NORMAL[0] = x;
NORMAL[1] = y;
NORMAL[2] = z;
}
void APIENTRY glNormal3fv(const GLfloat* v) {