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ref_soft: glblit: change projection scale

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This commit is contained in:
mittorn 2019-10-12 22:36:21 +07:00
parent e1efacb399
commit 2493659b23
1 changed files with 37 additions and 36 deletions
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47
r_glblit.c
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@ -148,13 +148,13 @@ static void R_Unlock_GL1( void )
pglVertex2f( 0, 0 ); pglVertex2f( 0, 0 );
pglTexCoord2f( 1, 0 ); pglTexCoord2f( 1, 0 );
pglVertex2f( vid.width, 0 ); pglVertex2f( 1, 0 );
pglTexCoord2f( 1, 1 ); pglTexCoord2f( 1, 1 );
pglVertex2f( vid.width, vid.height ); pglVertex2f( 1, 1 );
pglTexCoord2f( 0, 1 ); pglTexCoord2f( 0, 1 );
pglVertex2f( 0, vid.height ); pglVertex2f( 0, 1 );
pglEnd(); pglEnd();
gEngfuncs.GL_SwapBuffers(); gEngfuncs.GL_SwapBuffers();
} }
@ -162,23 +162,18 @@ static void R_Unlock_GL1( void )
static void R_Unlock_GLES1( void ) static void R_Unlock_GLES1( void )
{ {
pglTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, vid.width, vid.height, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, glbuf ); pglTexImage2D( GL_TEXTURE_2D, 0, GL_RGB, vid.width, vid.height, 0, GL_RGB, GL_UNSIGNED_SHORT_5_6_5, glbuf );
//gEngfuncs.Con_Printf("%d\n",pglGetError());
pglColor4f(1,1,1,1);
pglDrawArrays( GL_TRIANGLE_FAN, 0,4 ); pglDrawArrays( GL_TRIANGLE_FAN, 0,4 );
//gEngfuncs.Con_Printf("%d\n",pglGetError());
gEngfuncs.GL_SwapBuffers(); gEngfuncs.GL_SwapBuffers();
} }
static void *R_CreateBuffer_GL1( int width, int height, uint *stride, uint *bpp, uint *r, uint *g, uint *b ) static qboolean R_CreateBuffer_GL1( int width, int height, uint *stride, uint *bpp, uint *r, uint *g, uint *b )
{ {
pglViewport( 0, 0, gpGlobals->width, gpGlobals->height ); pglViewport( 0, 0, width, height );
pglMatrixMode( GL_PROJECTION ); pglMatrixMode( GL_PROJECTION );
pglLoadIdentity(); pglLoadIdentity();
pglOrtho( 0, gpGlobals->width, gpGlobals->height, 0, -99999, 99999 ); pglOrtho( 0, 1, 1, 0, -99999, 99999 );
pglMatrixMode( GL_MODELVIEW ); pglMatrixMode( GL_MODELVIEW );
pglLoadIdentity(); pglLoadIdentity();
@ -188,32 +183,34 @@ static void *R_CreateBuffer_GL1( int width, int height, uint *stride, uint *bpp,
if( glbuf ) if( glbuf )
Mem_Free(glbuf); Mem_Free(glbuf);
glbuf = Mem_Malloc( r_temppool, width*height*2 ); glbuf = Mem_Malloc( r_temppool, width*height*2 );
*stride = width; *stride = width;
*bpp = 2; *bpp = 2;
*r = MASK(5) << 6 + 5; *r = MASK(5) << 6 + 5;
*g = MASK(6) << 5; *g = MASK(6) << 5;
*b = MASK(5); *b = MASK(5);
return glbuf;
return true;
} }
static qboolean R_CreateBuffer_GLES1( int width, int height, uint *stride, uint *bpp, uint *r, uint *g, uint *b ) static qboolean R_CreateBuffer_GLES1( int width, int height, uint *stride, uint *bpp, uint *r, uint *g, uint *b )
{ {
float data[] = { float data[] = {
0, 0, // quad verts match texcoords
width, 0,
width, height,
0, height,
0, 0, 0, 0,
1, 0, 1, 0,
1, 1, 1, 1,
0,1 0, 1,
}; };
int vbo; int vbo;
pglViewport( 0, 0, gpGlobals->width, gpGlobals->height );
pglViewport( 0, 0, width, height );
pglMatrixMode( GL_PROJECTION ); pglMatrixMode( GL_PROJECTION );
pglLoadIdentity(); pglLoadIdentity();
pglOrthof( 0, gpGlobals->width, gpGlobals->height, 0, -99999, 99999 ); // project 0..1 to screen size
pglOrthof( 0, 1, 1, 0, -99999, 99999 );
pglMatrixMode( GL_MODELVIEW ); pglMatrixMode( GL_MODELVIEW );
pglLoadIdentity(); pglLoadIdentity();
@ -221,29 +218,33 @@ static qboolean R_CreateBuffer_GLES1( int width, int height, uint *stride, uint
pglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST ); pglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST );
pglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST ); pglTexParameteri( GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST );
if( vbo ) if( vbo )
pglDeleteBuffers( 1,&vbo ); pglDeleteBuffers( 1,&vbo );
pglGenBuffers( 1,&vbo ); pglGenBuffers( 1,&vbo );
pglBindBuffer( GL_ARRAY_BUFFER_ARB, vbo ); pglBindBuffer( GL_ARRAY_BUFFER_ARB, vbo );
pglBufferData(GL_ARRAY_BUFFER_ARB,16*4,data, GL_STATIC_DRAW_ARB); pglBufferData( GL_ARRAY_BUFFER_ARB, sizeof(data), data, GL_STATIC_DRAW_ARB );
pglEnableClientState( GL_VERTEX_ARRAY ); pglEnableClientState( GL_VERTEX_ARRAY );
pglEnableClientState( GL_TEXTURE_COORD_ARRAY ); pglEnableClientState( GL_TEXTURE_COORD_ARRAY );
pglVertexPointer( 2, GL_FLOAT, 8, 0 ); pglVertexPointer( 2, GL_FLOAT, 8, 0 );
pglTexCoordPointer(2,GL_FLOAT,8,(void*)32); pglTexCoordPointer( 2, GL_FLOAT, 8, 0 );
pglBindBuffer( GL_ARRAY_BUFFER_ARB, 0 ) ; pglBindBuffer( GL_ARRAY_BUFFER_ARB, 0 ) ;
pglColor4f( 1, 1, 1, 1 );
if( glbuf ) if( glbuf )
Mem_Free( glbuf ); Mem_Free( glbuf );
glbuf = Mem_Malloc( r_temppool, width*height*2 ); glbuf = Mem_Malloc( r_temppool, width*height*2 );
*stride = width; *stride = width;
*bpp = 2; *bpp = 2;
*r = MASK(5) << 6 + 5; *r = MASK(5) << 6 + 5;
*g = MASK(6) << 5; *g = MASK(6) << 5;
*b = MASK(5); *b = MASK(5);
return true; return true;
} }