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Calculate viewport and screen texture coordinates correctly for sun shadows. This fixes part of #5889.

This commit is contained in:
SmileTheory 2013-03-05 01:41:51 -08:00
parent e7753f9acf
commit 2153fc4671
1 changed files with 3 additions and 3 deletions
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6
code/renderergl2/tr_backend.c
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@ -1186,7 +1186,7 @@ const void *RB_DrawSurfs( const void *data ) {
FBO_Bind(tr.screenShadowFbo);
box[0] = (backEnd.refdef.x ) * tr.screenShadowFbo->width / (float)glConfig.vidWidth;
box[1] = (backEnd.refdef.y ) * tr.screenShadowFbo->height / (float)glConfig.vidHeight;
box[1] = (glConfig.vidHeight - ( backEnd.refdef.y + backEnd.refdef.height )) * tr.screenShadowFbo->height / (float)glConfig.vidHeight;
box[2] = (backEnd.refdef.width ) * tr.screenShadowFbo->width / (float)glConfig.vidWidth;
box[3] = (backEnd.refdef.height) * tr.screenShadowFbo->height / (float)glConfig.vidHeight;
@ -1194,9 +1194,9 @@ const void *RB_DrawSurfs( const void *data ) {
qglScissor(box[0], box[1], box[2], box[3]);
box[0] = (backEnd.refdef.x ) / (float)glConfig.vidWidth;
box[1] = (backEnd.refdef.y ) / (float)glConfig.vidHeight;
box[1] = 1.0 - (backEnd.refdef.y + backEnd.refdef.height) / (float)glConfig.vidHeight;
box[2] = (backEnd.refdef.x + backEnd.refdef.width ) / (float)glConfig.vidWidth;
box[3] = (backEnd.refdef.y + backEnd.refdef.height) / (float)glConfig.vidHeight;
box[3] = 1.0 - (backEnd.refdef.y ) / (float)glConfig.vidHeight;
texCoords[0][0] = box[0]; texCoords[0][1] = box[3];
texCoords[1][0] = box[2]; texCoords[1][1] = box[3];