ref: ead025641075b0bffa3d918b94e05753403d6a7b
dir: /src/api.c/
#include "zgl.h"
//#include <stdio.h>
/* glVertex */
void glVertex4f(GLfloat x, GLfloat y, GLfloat z, GLfloat w) {
GLParam p[5];
#include "error_check_no_context.h"
p[0].op = OP_Vertex;
p[1].f = x;
p[2].f = y;
p[3].f = z;
p[4].f = w;
gl_add_op(p);
}
void glVertex2f(GLfloat x, GLfloat y) { glVertex4f(x, y, 0, 1); }
void glVertex3f(GLfloat x, GLfloat y, GLfloat z) { glVertex4f(x, y, z, 1); }
void glVertex3fv(GLfloat* v) { glVertex4f(v[0], v[1], v[2], 1); }
/* glNormal */
void glNormal3f(GLfloat x, GLfloat y, GLfloat z) {
GLParam p[4];
#include "error_check_no_context.h"
p[0].op = OP_Normal;
//NODO: Normalize vector here if it's enabled, so that the display list contains only normalized normals.
//Redacted because: It would fuck up the matrix math. Dang it!
p[1].f = x;
p[2].f = y;
p[3].f = z;
gl_add_op(p);
}
void glNormal3fv(GLfloat* v) { glNormal3f(v[0], v[1], v[2]); }
/* glColor */
void glColor4f(GLfloat r, GLfloat g, GLfloat b, GLfloat a) {
GLParam p[8];
#include "error_check_no_context.h"
p[0].op = OP_Color;
p[1].f = r;
p[2].f = g;
p[3].f = b;
p[4].f = a;
/* direct convertion to GLinteger to go faster if no shading */
/*
p[5].ui = (GLuint) (r * (ZB_POINT_RED_MAX - ZB_POINT_RED_MIN) +
ZB_POINT_RED_MIN);
p[6].ui = (GLuint) (g * (ZB_POINT_GREEN_MAX - ZB_POINT_GREEN_MIN) +
ZB_POINT_GREEN_MIN);
p[7].ui = (GLuint) (b * (ZB_POINT_BLUE_MAX - ZB_POINT_BLUE_MIN) +
ZB_POINT_BLUE_MIN);
*/
p[5].ui = (((GLuint)(r * 65535)) & 65535);
p[6].ui = (((GLuint)(g * 65535)) & 65535);
p[7].ui = (((GLuint)(b * 65535)) & 65535);
gl_add_op(p);
}
void glColor4fv(GLfloat* v) {
GLParam p[8];
#include "error_check_no_context.h"
p[0].op = OP_Color;
p[1].f = v[0];
p[2].f = v[1];
p[3].f = v[2];
p[4].f = v[3];
/* direct convertion to GLinteger to go faster if no shading */
/*
p[5].ui = (GLuint) (v[0] * (ZB_POINT_RED_MAX - ZB_POINT_RED_MIN) +
ZB_POINT_RED_MIN);
p[6].ui = (GLuint) (v[1] * (ZB_POINT_GREEN_MAX - ZB_POINT_GREEN_MIN) +
ZB_POINT_GREEN_MIN);
p[7].ui = (GLuint) (v[2] * (ZB_POINT_BLUE_MAX - ZB_POINT_BLUE_MIN) +
ZB_POINT_BLUE_MIN);
*/
p[5].ui = (((GLuint)(v[0] * 65535)) & 65535);
p[6].ui = (((GLuint)(v[1] * 65535)) & 65535);
p[7].ui = (((GLuint)(v[2] * 65535)) & 65535);
gl_add_op(p);
}
void glColor3f(GLfloat x, GLfloat y, GLfloat z) { glColor4f(x, y, z, 1); }
void glColor3fv(GLfloat* v) { glColor4f(v[0], v[1], v[2], 1); }
/* TexCoord */
void glTexCoord4f(GLfloat s, GLfloat t, GLfloat r, GLfloat q) {
GLParam p[5];
#include "error_check_no_context.h"
p[0].op = OP_TexCoord;
p[1].f = s;
p[2].f = t;
p[3].f = r;
p[4].f = q;
gl_add_op(p);
}
void glTexCoord2f(GLfloat s, GLfloat t) { glTexCoord4f(s, t, 0, 1); }
void glTexCoord2fv(GLfloat* v) { glTexCoord4f(v[0], v[1], 0, 1); }
void glEdgeFlag(GLint flag) {
GLParam p[2];
#define NEED_CONTEXT
#include "error_check_no_context.h"
#if TGL_FEATURE_ERROR_CHECK == 1
if(flag != GL_TRUE && flag != GL_FALSE)
#define ERROR_FLAG GL_INVALID_ENUM
#include "error_check.h"
#endif
p[0].op = OP_EdgeFlag;
p[1].i = flag;
gl_add_op(p);
}
/* misc */
void glShadeModel(GLint mode) {
GLParam p[2];
#define NEED_CONTEXT
#include "error_check_no_context.h"
#if TGL_FEATURE_ERROR_CHECK == 1
if(mode != GL_FLAT && mode != GL_SMOOTH)
#define ERROR_FLAG GL_INVALID_ENUM
#include "error_check.h"
#else
if(mode != GL_FLAT && mode != GL_SMOOTH) return;
//Assume that they know what they're doing.
#endif
p[0].op = OP_ShadeModel;
p[1].i = mode;
gl_add_op(p);
}
void glCullFace(GLint mode) {
GLParam p[2];
#define NEED_CONTEXT
#include "error_check_no_context.h"
#if TGL_FEATURE_ERROR_CHECK == 1
if(!(mode == GL_BACK || mode == GL_FRONT || mode == GL_FRONT_AND_BACK))
#define ERROR_FLAG GL_INVALID_ENUM
#include "error_check.h"
#else
//assert(mode == GL_BACK || mode == GL_FRONT || mode == GL_FRONT_AND_BACK);
//Assume it's alrgiht.
#endif
p[0].op = OP_CullFace;
p[1].i = mode;
gl_add_op(p);
}
void glFrontFace(GLint mode) {
GLParam p[2];
#define NEED_CONTEXT
#include "error_check_no_context.h"
#if TGL_FEATURE_ERROR_CHECK == 1
if(!(mode == GL_CCW || mode == GL_CW))
#define ERROR_FLAG GL_INVALID_ENUM
#include "error_check.h"
#else
//if(!(mode == GL_CCW || mode == GL_CW)) return;
#endif
mode = (mode != GL_CCW);
p[0].op = OP_FrontFace;
p[1].i = mode;
gl_add_op(p);
}
void glPolygonMode(GLint face, GLint mode) {
GLParam p[3];
#define NEED_CONTEXT
#include "error_check_no_context.h"
#if TGL_FEATURE_ERROR_CHECK == 1
if(!( (face == GL_BACK || face == GL_FRONT || face == GL_FRONT_AND_BACK)&&
(mode == GL_POINT || mode == GL_LINE || mode == GL_FILL) )
)
#define ERROR_FLAG GL_INVALID_ENUM
#include "error_check.h"
#else
//assert(face == GL_BACK || face == GL_FRONT || face == GL_FRONT_AND_BACK);
//assert(mode == GL_POINT || mode == GL_LINE || mode == GL_FILL);
#endif
p[0].op = OP_PolygonMode;
p[1].i = face;
p[2].i = mode;
gl_add_op(p);
}
void glDepthMask(GLint i){
#include "error_check_no_context.h"
gl_get_context()->zb->depth_write = (i==GL_TRUE);
}
/* glEnable / glDisable */
//TODO go to glopEnableDisable and add error checking there on values there.
void glEnable(GLint cap) {
GLParam p[3];
#include "error_check_no_context.h"
p[0].op = OP_EnableDisable;
p[1].i = cap;
p[2].i = 1;
gl_add_op(p);
}
void glDisable(GLint cap) {
GLParam p[3];
#include "error_check_no_context.h"
p[0].op = OP_EnableDisable;
p[1].i = cap;
p[2].i = 0;
gl_add_op(p);
}
/* glBegin / glEnd */
void glBegin(GLint mode) {
GLParam p[2];
#include "error_check_no_context.h"
p[0].op = OP_Begin;
p[1].i = mode;
gl_add_op(p);
}
void glEnd(void) {
GLParam p[1];
#include "error_check_no_context.h"
p[0].op = OP_End;
gl_add_op(p);
}
/* matrix */
void glMatrixMode(GLint mode) {
GLParam p[2];
#include "error_check_no_context.h"
p[0].op = OP_MatrixMode;
p[1].i = mode;
gl_add_op(p);
}
void glLoadMatrixf(const GLfloat* m) {
GLParam p[17];
GLint i;
#include "error_check_no_context.h"
p[0].op = OP_LoadMatrix;
for (i = 0; i < 16; i++)
p[i + 1].f = m[i];
gl_add_op(p);
}
void glLoadIdentity(void) {
GLParam p[1];
#include "error_check_no_context.h"
p[0].op = OP_LoadIdentity;
gl_add_op(p);
}
void glMultMatrixf(const GLfloat* m) {
GLParam p[17];
GLint i;
#include "error_check_no_context.h"
p[0].op = OP_MultMatrix;
for (i = 0; i < 16; i++)
p[i + 1].f = m[i];
gl_add_op(p);
}
void glPushMatrix(void) {
GLParam p[1];
#include "error_check_no_context.h"
p[0].op = OP_PushMatrix;
gl_add_op(p);
}
void glPopMatrix(void) {
GLParam p[1];
#include "error_check_no_context.h"
p[0].op = OP_PopMatrix;
gl_add_op(p);
}
void glRotatef(GLfloat angle, GLfloat x, GLfloat y, GLfloat z) {
GLParam p[5];
#include "error_check_no_context.h"
p[0].op = OP_Rotate;
p[1].f = angle;
p[2].f = x;
p[3].f = y;
p[4].f = z;
gl_add_op(p);
}
void glTranslatef(GLfloat x, GLfloat y, GLfloat z) {
GLParam p[4];
#include "error_check_no_context.h"
p[0].op = OP_Translate;
p[1].f = x;
p[2].f = y;
p[3].f = z;
gl_add_op(p);
}
void glScalef(GLfloat x, GLfloat y, GLfloat z) {
GLParam p[4];
#include "error_check_no_context.h"
p[0].op = OP_Scale;
p[1].f = x;
p[2].f = y;
p[3].f = z;
gl_add_op(p);
}
void glViewport(GLint x, GLint y, GLint width, GLint height) {
GLParam p[5];
#include "error_check_no_context.h"
p[0].op = OP_Viewport;
p[1].i = x;
p[2].i = y;
p[3].i = width;
p[4].i = height;
gl_add_op(p);
}
void glFrustum(GLdouble left, GLdouble right, GLdouble bottom, GLdouble top, GLdouble near, GLdouble farv) {
GLParam p[7];
#include "error_check_no_context.h"
p[0].op = OP_Frustum;
p[1].f = left;
p[2].f = right;
p[3].f = bottom;
p[4].f = top;
p[5].f = near;
p[6].f = farv;
gl_add_op(p);
}
/* lightening */
void glMaterialfv(GLint mode, GLint type, GLfloat* v) {
GLParam p[7];
GLint i, n;
#define NEED_CONTEXT
#include "error_check_no_context.h"
#if TGL_FEATURE_ERROR_CHECK == 1
if(!(mode == GL_FRONT || mode == GL_BACK || mode == GL_FRONT_AND_BACK))
#define ERROR_FLAG GL_INVALID_ENUM
#include "error_check.h"
#else
//assert(mode == GL_FRONT || mode == GL_BACK || mode == GL_FRONT_AND_BACK);
#endif
p[0].op = OP_Material;
p[1].i = mode;
p[2].i = type;
n = 4;//This appears to be a hack... to avoid a jump instruction? What the hell?
if (type == GL_SHININESS)
n = 1;
for (i = 0; i < 4; i++)
p[3 + i].f = v[i];
for (i = n; i < 4; i++)
p[3 + i].f = 0;
gl_add_op(p);
}
void glMaterialf(GLint mode, GLint type, GLfloat v) {
GLParam p[7];
GLint i;
#include "error_check_no_context.h"
p[0].op = OP_Material;
p[1].i = mode;
p[2].i = type;
p[3].f = v;
for (i = 0; i < 3; i++)
p[4 + i].f = 0;
gl_add_op(p);
}
void glColorMaterial(GLint mode, GLint type) {
GLParam p[3];
#include "error_check_no_context.h"
p[0].op = OP_ColorMaterial;
p[1].i = mode;
p[2].i = type;
gl_add_op(p);
}
void glLightfv(GLint light, GLint type, GLfloat* v) {
GLParam p[7];
GLint i;
#include "error_check_no_context.h"
p[0].op = OP_Light;
p[1].i = light;
p[2].i = type;
/* TODO: 3 components ? */
for (i = 0; i < 4; i++)
p[3 + i].f = v[i];
gl_add_op(p);
}
void glLightf(GLint light, GLint type, GLfloat v) {
GLParam p[7];
GLint i;
#include "error_check_no_context.h"
p[0].op = OP_Light;
p[1].i = light;
p[2].i = type;
p[3].f = v;
for (i = 0; i < 3; i++)
p[4 + i].f = 0;
gl_add_op(p);
}
void glLightModeli(GLint pname, GLint param) {
GLParam p[6];
#include "error_check_no_context.h"
p[0].op = OP_LightModel;
p[1].i = pname;
p[2].f = (GLfloat)param;
// for(i=0;i<4;i++) p[3+i].f=0;
// for(i=0;i<3;i++) p[3+i].f=0;
p[3].f = 0;
p[4].f = 0;
p[5].f = 0;
gl_add_op(p);
}
void glLightModelfv(GLint pname, GLfloat* param) {
GLParam p[6];
GLint i;
#include "error_check_no_context.h"
p[0].op = OP_LightModel;
p[1].i = pname;
for (i = 0; i < 4; i++)
p[2 + i].f = param[i];
gl_add_op(p);
}
/* clear */
void glClear(GLint mask) {
GLParam p[2];
#include "error_check_no_context.h"
p[0].op = OP_Clear;
p[1].i = mask;
gl_add_op(p);
}
void glClearColor(GLfloat r, GLfloat g, GLfloat b, GLfloat a) {
GLParam p[5];
#include "error_check_no_context.h"
p[0].op = OP_ClearColor;
p[1].f = r;
p[2].f = g;
p[3].f = b;
p[4].f = a;
gl_add_op(p);
}
void glClearDepth(GLdouble depth) {
GLParam p[2];
#include "error_check_no_context.h"
p[0].op = OP_ClearDepth;
p[1].f = depth;
gl_add_op(p);
}
/* textures */
//TODO Check inputs into glopTexImage2D
void glTexImage2D(GLint target, GLint level, GLint components, GLint width, GLint height, GLint border, GLint format, GLint type, void* pixels) {
GLParam p[10];
#include "error_check_no_context.h"
p[0].op = OP_TexImage2D;
p[1].i = target;
p[2].i = level;
p[3].i = components;
p[4].i = width;
p[5].i = height;
p[6].i = border;
p[7].i = format;
p[8].i = type;
p[9].p = pixels;
gl_add_op(p);
}
void glTexImage1D(GLint target, GLint level, GLint components, GLint width, GLint border, GLint format, GLint type, void* pixels) {
GLParam p[10];
#include "error_check_no_context.h"
p[0].op = OP_TexImage1D;
p[1].i = target;
p[2].i = level;
p[3].i = components;
p[4].i = width;
p[5].i = border;
p[6].i = format;
p[7].i = type;
p[8].p = pixels;
gl_add_op(p);
}
void glBindTexture(GLint target, GLint texture) {
GLParam p[3];
#include "error_check_no_context.h"
p[0].op = OP_BindTexture;
p[1].i = target;
p[2].i = texture;
gl_add_op(p);
}
void glTexEnvi(GLint target, GLint pname, GLint param) {
// GLParam p[8];
#include "error_check_no_context.h"
// p[0].op = OP_TexEnv;
// p[1].i = target;
// p[2].i = pname;
// p[3].i = param;
// p[4].f = 0;
// p[5].f = 0;
// p[6].f = 0;
// p[7].f = 0;
// gl_add_op(p);
}
void glTexParameteri(GLint target, GLint pname, GLint param) {
// GLParam p[8];
#include "error_check_no_context.h"
// p[0].op = OP_TexParameter;
// p[1].i = target;
// p[2].i = pname;
// p[3].i = param;
// p[4].f = 0;
// p[5].f = 0;
// p[6].f = 0;
// p[7].f = 0;
// gl_add_op(p);
}
/*
void glPixelStorei(GLint pname, GLint param) {
GLParam p[3];
#include "error_check_no_context.h"
p[0].op = OP_PixelStore;
p[1].i = pname;
p[2].i = param;
gl_add_op(p);
}
*/
/* selection */
void glInitNames(void) {
GLParam p[1];
#include "error_check_no_context.h"
p[0].op = OP_InitNames;
gl_add_op(p);
}
void glPushName(GLuint name) {
GLParam p[2];
#include "error_check_no_context.h"
p[0].op = OP_PushName;
p[1].i = name;
gl_add_op(p);
}
void glPopName(void) {
GLParam p[1];
#include "error_check_no_context.h"
p[0].op = OP_PopName;
gl_add_op(p);
}
void glLoadName(GLuint name) {
GLParam p[2];
#include "error_check_no_context.h"
p[0].op = OP_LoadName;
p[1].i = name;
gl_add_op(p);
}
void glPolygonOffset(GLfloat factor, GLfloat units) {
GLParam p[3];
#include "error_check_no_context.h"
p[0].op = OP_PolygonOffset;
p[1].f = factor;
p[2].f = units;
gl_add_op(p);
}
/* Special Functions */
void glCallList(GLuint list) {
GLParam p[2];
#include "error_check_no_context.h"
p[0].op = OP_CallList;
p[1].i = list;
gl_add_op(p);
}
//TODO: Implement a barrier for worker threads if we ever add multithreading support.
void glFlush(void) { /* nothing to do */
}
void glHint(GLint target, GLint mode) {
#include "error_check_no_context.h"
}
/* Non standard functions */
void glDebug(GLint mode) {
GLContext* c = gl_get_context();
#include "error_check.h"
c->print_flag = mode;
}