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Diffstat (limited to 'opengl/system/pdp_3Dcontext_common.c')
-rw-r--r--opengl/system/pdp_3Dcontext_common.c267
1 files changed, 0 insertions, 267 deletions
diff --git a/opengl/system/pdp_3Dcontext_common.c b/opengl/system/pdp_3Dcontext_common.c
deleted file mode 100644
index 185e2be..0000000
--- a/opengl/system/pdp_3Dcontext_common.c
+++ /dev/null
@@ -1,267 +0,0 @@
-
-/*
- * OpenGL Extension Module for pdp - pbuffer packet implementation
- * Copyright (c) by Tom Schouten <pdp@zzz.kotnet.org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-/*
- this code uses glx. i don't know if it is worth to take into
- account portabiliy. since it will take a while until pdp runs
- on anything else than linux. but in any case, providing a windows/osx
- implementation here should not be too difficult..
-*/
-
-#include "pdp_3Dcontext.h"
-#include <GL/gl.h>
-//#include <GL/glx.h>
-#include <GL/glu.h>
-//#include <GL/glut.h>
-
-#define D if (0)
-
-/* constructor */
-
-/* pbuf operators */
-
-u32 pdp_packet_3Dcontext_width(int packet)
-{
- t_3Dcontext *c = pdp_packet_3Dcontext_info(packet);
- if (c) return c->width;
- else return 0;
-}
-
-u32 pdp_packet_3Dcontext_height(int packet)
-{
- t_3Dcontext *c = pdp_packet_3Dcontext_info(packet);
- if (c) return c->height;
- else return 0;
-}
-
-u32 pdp_packet_3Dcontext_subwidth(int packet)
-{
- t_3Dcontext *c = pdp_packet_3Dcontext_info(packet);
- if (c) return c->sub_width;
- else return 0;
-}
-
-
-u32 pdp_packet_3Dcontext_subheight(int packet)
-{
- t_3Dcontext *c = pdp_packet_3Dcontext_info(packet);
- if (c) return c->sub_height;
- else return 0;
-}
-
-
-void pdp_packet_3Dcontext_set_subwidth(int packet, u32 w)
-{
- t_3Dcontext *c = pdp_packet_3Dcontext_info(packet);
- if (c) c->sub_width = w;
-}
-
-
-void pdp_packet_3Dcontext_set_subheight(int packet, u32 h)
-{
- t_3Dcontext *c = pdp_packet_3Dcontext_info(packet);
- if (c) c->sub_height = h;
-}
-
-
-float pdp_packet_3Dcontext_subaspect(int packet)
-{
- t_3Dcontext *c = pdp_packet_3Dcontext_info(packet);
- if (c) return (float)c->sub_width/c->sub_height;
- else return 0;
-}
-
-int pdp_packet_3Dcontext_isvalid(int packet)
-{
- t_pdp *header = pdp_packet_header(packet);
- t_3Dcontext *c = pdp_packet_3Dcontext_info(packet);
-
- if (!header) return 0;
- if (!c) return 0;
- if (PDP_3DCONTEXT != header->type) return 0;
- return 1;
-}
-
-t_3Dcontext *pdp_packet_3Dcontext_info(int packet)
-{
- t_pdp *header = pdp_packet_header(packet);
- if (!header) return 0;
- if (PDP_3DCONTEXT != header->type) return 0;
- return (t_3Dcontext *)&header->info.raw;
-}
-
-
-
-void pdp_llconv_flip_top_bottom(char *data, int width, int height, int pixelsize);
-
-int pdp_packet_3Dcontext_snap_to_bitmap(int packet, int w, int h)
-{
- int x, y, new_p, i;
- char *data = 0;
- // char r;
- // int extra = 5;
-
- if (!pdp_packet_3Dcontext_isvalid(packet)) goto error;
-
- x = pdp_packet_3Dcontext_subwidth(packet);
- y = pdp_packet_3Dcontext_subheight(packet);
-
- x = (x - w) >> 1;
- y = (y - h) >> 1;
- x = (x < 0 ) ? 0 : x;
- y = (y < 0 ) ? 0 : y;
-
- new_p = pdp_packet_new_bitmap_rgb(w, h);
- data = (char *)pdp_packet_data(new_p);
- if (-1 == new_p || !data) goto error;
- pdp_packet_3Dcontext_set_rendering_context(packet);
-
- // D post("BEGIN READPIXELS %d %d %d %d %x", w, h, x, y, data);
-
- //for (i=0; i<w*h; i++){
- // data[3*i] = 255;
- // data[3*i+1] = 255;
- // data[3*i+2] = 0;
- //}
- // r = random();
- // data[w*h*3] = r;
-
- /* seems nvidia drivers 4191 have a bug
- when w % 4 is not zero */
- glReadPixels(x,y, w ,h,GL_RGB,GL_UNSIGNED_BYTE, data);
-
- /* inplace swap top to bottom (textures and buffers have
- another coordinate system than standard images)
- instead of fixing this by using a different texture coordinate
- system, a memory swap is performed. this is more expensive
- but eliminates hassle when converting between buffers, textures
- and bitmaps */
-
- pdp_llconv_flip_top_bottom(data, w, h, 3);
-
- // if (r != data[w*h*3]) post("PANIC");
-
- // post("END READPIXELS %d %d", w, h);
-
-
- return new_p;
-
- error:
- return -1;
-
-}
-
-
-
-
-/* move these to the pdp_3d_context object: they're too specific */
-
-/* setup for 2d operation from pbuf dimensions */
-void pdp_packet_3Dcontext_setup_2d_context(int p)
-{
- u32 w;
- u32 h;
- float asp;
- if (!pdp_packet_3Dcontext_isvalid(p)) return;
- w = pdp_packet_3Dcontext_subwidth(p);
- h = pdp_packet_3Dcontext_subheight(p);
- asp = pdp_packet_3Dcontext_subaspect(p);
-
-
- /* set the viewport to the size of the sub frame */
- glViewport(0, 0, w, h);
-
- /* set orthogonal projection, with a relative frame size of (2asp x 2) */
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluOrtho2D(0, 2*asp, 0, 2);
-
- /* set the center of view */
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- glTranslatef(asp, 1, 0);
- glScalef(1,-1,1);
-
-
-}
-
-/* setup for 3d operation from pbuf dimensions */
-void pdp_packet_3Dcontext_setup_3d_context(int p)
-{
- u32 w;
- u32 h;
- int i;
- float asp;
- float m_perspect[] = {-1.f, /* left */
- 1.f, /* right */
- -1.f, /* bottom */
- 1.f, /* top */
- 1.f, /* front */
- 20.f};/* back */
-
- if (!pdp_packet_3Dcontext_isvalid(p)) return;
- w = pdp_packet_3Dcontext_subwidth(p);
- h = pdp_packet_3Dcontext_subheight(p);
- asp = pdp_packet_3Dcontext_subaspect(p);
-
-
- /* set the viewport to the size of the sub frame */
- glViewport(0, 0, w, h);
-
- /* set orthogonal projection, with a relative frame size of (2asp x 2) */
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- glFrustum(m_perspect[0] * asp, m_perspect[1] * asp, // left, right
- m_perspect[2], m_perspect[3], // bottom, top
- m_perspect[4], m_perspect[5]); // front, back
-
- /* reset texture matrix */
- glMatrixMode(GL_TEXTURE);
- glLoadIdentity();
-
-
- /* set the center of view */
- glMatrixMode(GL_MODELVIEW);
- glLoadIdentity();
- gluLookAt(0, 0, 4, 0, 0, 0, 0, 1, 0);
- //glTranslatef(asp, 1, 0);
-
-
- glEnable(GL_DEPTH_TEST);
- glEnable(GL_AUTO_NORMAL);
- glEnable(GL_NORMALIZE);
- glShadeModel(GL_SMOOTH);
- //glShadeModel(GL_FLAT);
-
-
- /* disable everything that is enabled in other modules
- this resets the ogl state to its initial conditions */
- glDisable(GL_LIGHTING);
- for (i=0; i<8; i++) glDisable(GL_LIGHT0 + i);
- glDisable(GL_COLOR_MATERIAL);
-
-
-}
-
-
-void pdp_3Dcontext_common_setup(void)
-{
-}
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