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add more api

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This commit is contained in:
Nishi 2026-01-12 04:36:04 +09:00
commit b8c714696f
Signed by: nishi
GPG key ID: 27EF69B208EB9343
3 changed files with 49 additions and 6 deletions
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41
engine/src/gl.c
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@ -61,13 +61,52 @@ void GSGLSetLight(GSGL gl) {
glLightfv(GL_LIGHT0, GL_POSITION, f);
}
void GSGLPolygon(GSGL gl, int pairs, GSVector3* vert, GSVector2* tex) {
void GSGLPolygon(GSGL gl, int pairs, GSVector3* vert, GSVector2* tex, GSVector3 norm) {
int i;
glBegin(GL_POLYGON);
glNormal3f(norm[0], norm[1], norm[2]);
for(i = 0; i < pairs; i++) {
if(tex != NULL) glTexCoord2f(tex[i][0], tex[i][1]);
glVertex3f(vert[i][0], vert[i][1], vert[i][2]);
}
glEnd();
}
void GSGLPolygon2D(GSGL gl, int pairs, GSVector2* vert, GSVector2* tex) {
int i;
glBegin(GL_POLYGON);
for(i = 0; i < pairs; i++) {
if(tex != NULL) glTexCoord2f(tex[i][0], tex[i][1]);
glVertex2f(vert[i][0], vert[i][1]);
}
glEnd();
}
void GSGLBegin2D(GSGL gl) {
GSGLIgnoreDepth(gl);
GSGLShadowDisable(gl);
glMatrixMode(GL_PROJECTION);
glPushMatrix();
glLoadIdentity();
glOrtho(0, gl->engine->width, gl->engine->height, 0, -1, 1);
glMatrixMode(GL_MODELVIEW);
glPushMatrix();
glLoadIdentity();
}
void GSGLEnd2D(GSGL gl) {
glMatrixMode(GL_MODELVIEW);
glPopMatrix();
glMatrixMode(GL_PROJECTION);
glPopMatrix();
glMatrixMode(GL_MODELVIEW);
GSGLShadowEnable(gl);
GSGLCareDepth(gl);
}