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44 lines
1.2 KiB
C
44 lines
1.2 KiB
C
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#include "ref_import.h"
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#include "tr_globals.h"
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extern void RE_UploadCinematic (int w, int h, int cols, int rows, const byte *data, int client, qboolean dirty);
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extern void RE_StretchPic ( float x, float y, float w, float h,
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float s1, float t1, float s2, float t2, qhandle_t hShader );
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/*
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=============
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FIXME: not exactly backend
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Stretches a raw 32 bit power of 2 bitmap image over the given screen rectangle.
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Used for cinematics.
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=============
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*/
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void RE_StretchRaw (int x, int y, int w, int h, int cols, int rows, const unsigned char *data, int client, qboolean dirty)
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{
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int i, j;
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if ( !tr.registered ) {
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return;
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}
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// make sure rows and cols are powers of 2
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for ( i = 0 ; ( 1 << i ) < cols ; i++ )
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{
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;
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}
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for ( j = 0 ; ( 1 << j ) < rows ; j++ )
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{
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;
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}
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if ( ( 1 << i ) != cols || ( 1 << j ) != rows) {
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ri.Error (ERR_DROP, "Draw_StretchRaw: size not a power of 2: %i by %i", cols, rows);
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}
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RE_UploadCinematic(w, h, cols, rows, data, client, dirty);
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tr.cinematicShader->stages[0]->bundle[0].image[0] = tr.scratchImage[client];
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RE_StretchPic(x, y, w, h, 0.5f / cols, 0.5f / rows, 1.0f - 0.5f / cols, 1.0f - 0.5 / rows, tr.cinematicShader->index);
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}
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