167 lines
4.1 KiB
C
167 lines
4.1 KiB
C
/***************************************************************************/
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/*
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* pieMode.h
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*
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* renderer control for pumpkin library functions.
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*
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*/
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/***************************************************************************/
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#include <SDL/SDL.h>
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#ifdef _MSC_VER
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#include <windows.h> //needed for gl.h! --Qamly
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#endif
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#include <SDL/SDL_opengl.h>
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#include "lib/framework/frame.h"
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#include "lib/ivis_common/piedef.h"
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#include "lib/ivis_common/piestate.h"
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#include "lib/ivis_common/piemode.h"
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#include "piematrix.h"
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#include "lib/ivis_common/piefunc.h"
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#include "lib/ivis_common/tex.h"
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#include "lib/ivis_common/rendmode.h"
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#include "lib/ivis_common/pieclip.h"
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#include "screen.h"
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/***************************************************************************/
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/*
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* Local Definitions
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*/
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/***************************************************************************/
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#define DIVIDE_TABLE_SIZE 1024
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/***************************************************************************/
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/*
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* Local Variables
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*/
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/***************************************************************************/
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int32 _iVPRIM_DIVTABLE[DIVIDE_TABLE_SIZE];
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/***************************************************************************/
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/*
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* Local ProtoTypes
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*/
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/***************************************************************************/
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extern void screenDoDumpToDiskIfRequired(void);
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/***************************************************************************/
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/*
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* Source
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*/
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/***************************************************************************/
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BOOL pie_Initialise(void)
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{
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int i;
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pie_InitMaths();
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pie_TexInit();
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rendSurface.usr = REND_UNDEFINED;
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rendSurface.flags = REND_SURFACE_UNDEFINED;
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rendSurface.buffer = NULL;
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rendSurface.size = 0;
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// divtable: first entry == unity to (ie n/0 == 1 !)
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_iVPRIM_DIVTABLE[0] = iV_DIVMULTP;
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for (i=1; i<DIVIDE_TABLE_SIZE; i++)
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{
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_iVPRIM_DIVTABLE[i-0] = MAKEINT ( FRACTdiv(MAKEFRACT(1),MAKEFRACT(i)) * iV_DIVMULTP);
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}
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pie_MatInit();
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_TEX_INDEX = 0;
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rendSurface.buffer = 0;
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rendSurface.flags = REND_SURFACE_SCREEN;
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rendSurface.width = pie_GetVideoBufferWidth();
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rendSurface.height = pie_GetVideoBufferHeight();
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rendSurface.xcentre = pie_GetVideoBufferWidth()/2;
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rendSurface.ycentre = pie_GetVideoBufferHeight()/2;
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rendSurface.clip.left = 0;
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rendSurface.clip.top = 0;
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rendSurface.clip.right = pie_GetVideoBufferWidth();
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rendSurface.clip.bottom = pie_GetVideoBufferHeight();
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rendSurface.xpshift = 10;
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rendSurface.ypshift = 10;
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pie_SetDefaultStates();
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iV_RenderAssign(&rendSurface);
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return TRUE;
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}
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void pie_ShutDown(void) {
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rendSurface.buffer = NULL;
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rendSurface.flags = REND_SURFACE_UNDEFINED;
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rendSurface.usr = REND_UNDEFINED;
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rendSurface.size = 0;
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pie_CleanUp();
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}
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/***************************************************************************/
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void pie_ScreenFlip(CLEAR_MODE clearMode) {
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PIELIGHT fog_colour;
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screenDoDumpToDiskIfRequired();
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SDL_GL_SwapBuffers();
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switch (clearMode) {
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case CLEAR_OFF_AND_NO_BUFFER_DOWNLOAD:
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break;
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case CLEAR_BLACK:
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default:
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glDepthMask(GL_TRUE);
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fog_colour.argb = pie_GetFogColour();
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glClearColor(fog_colour.byte.r/255.0f,
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fog_colour.byte.g/255.0f,
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fog_colour.byte.b/255.0f,
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fog_colour.byte.a/255.0f);
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glClear( GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT );
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break;
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}
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if (screen_GetBackDrop()) {
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screen_Upload(NULL);
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}
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}
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/***************************************************************************/
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void pie_Clear(UDWORD colour) {
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}
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/***************************************************************************/
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void pie_GlobalRenderBegin(void) {
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}
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void pie_GlobalRenderEnd(BOOL bForceClearToBlack) {
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}
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/***************************************************************************/
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UDWORD pie_GetResScalingFactor( void ) {
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// UDWORD resWidth; //n.b. resolution width implies resolution height...!
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if (pie_GetVideoBufferWidth() * 4 > pie_GetVideoBufferHeight() * 5) {
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return pie_GetVideoBufferHeight()*5/4/6;
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} else {
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return pie_GetVideoBufferWidth()/6;
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}
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}
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/***************************************************************************/
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void pie_LocalRenderBegin(void) {
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}
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void pie_LocalRenderEnd(void) {
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}
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static void pie_RenderSetup(void) {
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}
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