lucent/cocco-ddraw
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Remove legacy ddraw code

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Toni Spets 2010-11-12 19:50:00 +02:00
parent 3308661c9f
commit 34df9fe79a
6 changed files with 77 additions and 359 deletions
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136
render.c Normal file
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/*
* Copyright (c) 2010 Toni Spets <toni.spets@iki.fi>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <windows.h>
#include <stdio.h>
#include "main.h"
#include "surface.h"
DWORD WINAPI render_main(IDirectDrawSurfaceImpl *surface)
{
int i,j;
PIXELFORMATDESCRIPTOR pfd;
HDC hDC;
HGLRC hRC;
hDC = GetDC(ddraw->hWnd);
int tex_width = 1024;
int tex_height = 1024;
float scale_w = (float)surface->width/tex_width;
float scale_h = (float)surface->height/tex_height;
int *tex = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, tex_width * tex_height * sizeof(int));
memset(&pfd, 0, sizeof(PIXELFORMATDESCRIPTOR));
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL | PFD_DOUBLEBUFFER;
pfd.iPixelType = PFD_TYPE_RGBA;
pfd.cColorBits = ddraw->render.bpp ? ddraw->render.bpp : ddraw->mode.dmBitsPerPel;
pfd.iLayerType = PFD_MAIN_PLANE;
SetPixelFormat( hDC, ChoosePixelFormat( hDC, &pfd ), &pfd );
hRC = wglCreateContext( hDC );
wglMakeCurrent( hDC, hRC );
DWORD tick_start;
DWORD tick_end;
DWORD frame_len;
if(ddraw->render.maxfps < 0)
{
ddraw->render.maxfps = ddraw->freq;
}
if(ddraw->render.maxfps > 0)
{
frame_len = 1000.0f / ddraw->render.maxfps;
}
ddraw->render.ev = CreateEvent(NULL, TRUE, FALSE, NULL);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, tex_width, tex_height, 0, GL_RGBA, GL_UNSIGNED_BYTE, tex);
glViewport(0, 0, ddraw->render.width, ddraw->render.height);
if(ddraw->render.filter)
{
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_LINEAR);
}
else
{
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MIN_FILTER,GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D,GL_TEXTURE_MAG_FILTER,GL_NEAREST);
}
glEnable(GL_TEXTURE_2D);
while(ddraw->render.run)
{
ResetEvent(ddraw->render.ev);
if(ddraw->render.maxfps > 0)
{
tick_start = GetTickCount();
}
/* convert ddraw surface to opengl texture */
if(surface->palette)
{
for(i=0; i<surface->height; i++)
{
for(j=0; j<surface->width; j++)
{
tex[i*surface->width+j] = surface->palette->data_bgr[((unsigned char *)surface->surface)[i*surface->lPitch + j*surface->lXPitch]];
}
}
}
glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, surface->width, surface->height, GL_RGBA, GL_UNSIGNED_BYTE, tex);
glBegin(GL_TRIANGLE_FAN);
glTexCoord2f(0,0); glVertex2f(-1, 1);
glTexCoord2f(scale_w,0); glVertex2f( 1, 1);
glTexCoord2f(scale_w,scale_h); glVertex2f( 1, -1);
glTexCoord2f(0,scale_h); glVertex2f(-1, -1);
glEnd();
SwapBuffers(hDC);
if(ddraw->render.maxfps > 0)
{
tick_end = GetTickCount();
if(tick_end - tick_start < frame_len)
{
Sleep( frame_len - (tick_end - tick_start) );
}
}
SetEvent(ddraw->render.ev);
}
CloseHandle(ddraw->render.ev);
free(tex);
wglMakeCurrent(NULL, NULL);
wglDeleteContext(hRC);
ReleaseDC(ddraw->hWnd, hDC);
return 0;
}