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- #include "zgl.h"
- #include <assert.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:
- 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:
- 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];
- 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];
- 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];
- assert(type == GL_FLOAT);
- p[0].op = OP_NormalPointer;
- p[1].i = stride;
- p[2].p = (void*)pointer;
- }
-
- 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];
- assert(type == GL_FLOAT);
- p[0].op = OP_TexCoordPointer;
- p[1].i = size;
- p[2].i = stride;
- p[3].p = (void*)pointer;
- }
-