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#include "zgl.h"
#include <stdio.h>
#define VERTEX_ARRAY 0x0001
#define COLOR_ARRAY 0x0002
#define NORMAL_ARRAY 0x0004
#define TEXCOORD_ARRAY 0x0008
void
glopArrayElement(GLContext *c, GLParam *param)
{
int i;
int states = c->client_states;
int idx = param[1].i;
if (states & COLOR_ARRAY) {
GLParam p[5];
int size = c->color_array_size;
i = idx * (size + c->color_array_stride);
p[1].f = c->color_array[i];
p[2].f = c->color_array[i+1];
p[3].f = c->color_array[i+2];
p[4].f = size > 3 ? c->color_array[i+3] : 1.0f;
glopColor(c, p);
}
if (states & NORMAL_ARRAY) {
i = idx * (3 + c->normal_array_stride);
c->current_normal.X = c->normal_array[i];
c->current_normal.Y = c->normal_array[i+1];
c->current_normal.Z = c->normal_array[i+2];
c->current_normal.Z = 0.0f;
}
if (states & TEXCOORD_ARRAY) {
int size = c->texcoord_array_size;
i = idx * (size + c->texcoord_array_stride);
c->current_tex_coord.X = c->texcoord_array[i];
c->current_tex_coord.Y = c->texcoord_array[i+1];
c->current_tex_coord.Z = size > 2 ? c->texcoord_array[i+2] : 0.0f;
c->current_tex_coord.W = size > 3 ? c->texcoord_array[i+3] : 1.0f;
}
if (states & VERTEX_ARRAY) {
GLParam p[5];
int size = c->vertex_array_size;
i = idx * (size + c->vertex_array_stride);
p[1].f = c->vertex_array[i];
p[2].f = c->vertex_array[i+1];
p[3].f = size > 2 ? c->vertex_array[i+2] : 0.0f;
p[4].f = size > 3 ? c->vertex_array[i+3] : 1.0f;
glopVertex(c, p);
}
}
void
glArrayElement(GLint i)
{
GLParam p[2];
p[0].op = OP_ArrayElement;
p[1].i = i;
gl_add_op(p);
}
void
glopEnableClientState(GLContext *c, GLParam *p)
{
c->client_states |= p[1].i;
}
void
glEnableClientState(GLenum array)
{
GLParam p[2];
p[0].op = OP_EnableClientState;
switch(array) {
case GL_VERTEX_ARRAY:
p[1].i = VERTEX_ARRAY;
break;
case GL_NORMAL_ARRAY:
p[1].i = NORMAL_ARRAY;
break;
case GL_COLOR_ARRAY:
p[1].i = COLOR_ARRAY;
break;
case GL_TEXTURE_COORD_ARRAY:
p[1].i = TEXCOORD_ARRAY;
break;
default:
gl_assert(0);
break;
}
gl_add_op(p);
}
void
glopDisableClientState(GLContext *c, GLParam *p)
{
c->client_states &= p[1].i;
}
void
glDisableClientState(GLenum array)
{
GLParam p[2];
p[0].op = OP_DisableClientState;
switch(array) {
case GL_VERTEX_ARRAY:
p[1].i = ~VERTEX_ARRAY;
break;
case GL_NORMAL_ARRAY:
p[1].i = ~NORMAL_ARRAY;
break;
case GL_COLOR_ARRAY:
p[1].i = ~COLOR_ARRAY;
break;
case GL_TEXTURE_COORD_ARRAY:
p[1].i = ~TEXCOORD_ARRAY;
break;
default:
gl_assert(0);
break;
}
gl_add_op(p);
}
void
glopVertexPointer(GLContext *c, GLParam *p)
{
c->vertex_array_size = p[1].i;
c->vertex_array_stride = p[2].i;
c->vertex_array = p[3].p;
}
void
glVertexPointer(GLint size, GLenum type, GLsizei stride,
const GLvoid *pointer)
{
GLParam p[4];
gl_assert(type == GL_FLOAT);
p[0].op = OP_VertexPointer;
p[1].i = size;
p[2].i = stride;
p[3].p = (void*)pointer;
gl_add_op(p);
}
void
glopColorPointer(GLContext *c, GLParam *p)
{
c->color_array_size = p[1].i;
c->color_array_stride = p[2].i;
c->color_array = p[3].p;
}
void
glColorPointer(GLint size, GLenum type, GLsizei stride,
const GLvoid *pointer)
{
GLParam p[4];
gl_assert(type == GL_FLOAT);
p[0].op = OP_ColorPointer;
p[1].i = size;
p[2].i = stride;
p[3].p = (void*)pointer;
gl_add_op(p);
}
void
glopNormalPointer(GLContext *c, GLParam *p)
{
c->normal_array_stride = p[1].i;
c->normal_array = p[2].p;
}
void
glNormalPointer(GLenum type, GLsizei stride,
const GLvoid *pointer)
{
GLParam p[3];
gl_assert(type == GL_FLOAT);
p[0].op = OP_NormalPointer;
p[1].i = stride;
p[2].p = (void*)pointer;
gl_add_op(p);
}
void
glopTexCoordPointer(GLContext *c, GLParam *p)
{
c->texcoord_array_size = p[1].i;
c->texcoord_array_stride = p[2].i;
c->texcoord_array = p[3].p;
}
void
glTexCoordPointer(GLint size, GLenum type, GLsizei stride,
const GLvoid *pointer)
{
GLParam p[4];
gl_assert(type == GL_FLOAT);
p[0].op = OP_TexCoordPointer;
p[1].i = size;
p[2].i = stride;
p[3].p = (void*)pointer;
gl_add_op(p);
}
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