#5889: Do post-processing only on viewport portion of frame buffer.
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SmileTheory
parent
b6d64b7dc4
commit
aff3f18101
3 changed files with 77 additions and 31 deletions
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@ -22,7 +22,7 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#include "tr_local.h"
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void RB_ToneMap(FBO_t *hdrFbo, int autoExposure)
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void RB_ToneMap(FBO_t *hdrFbo, vec4i_t hdrBox, FBO_t *ldrFbo, vec4i_t ldrBox, int autoExposure)
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{
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vec4i_t srcBox, dstBox;
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vec4_t color;
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@ -40,9 +40,7 @@ void RB_ToneMap(FBO_t *hdrFbo, int autoExposure)
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VectorSet4(dstBox, 0, 0, size, size);
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srcFbo = hdrFbo;
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dstFbo = tr.textureScratchFbo[0];
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FBO_Blit(srcFbo, NULL, NULL, dstFbo, dstBox, &tr.calclevels4xShader[0], NULL, 0);
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FBO_Blit(hdrFbo, hdrBox, NULL, tr.textureScratchFbo[0], dstBox, &tr.calclevels4xShader[0], NULL, 0);
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srcFbo = tr.textureScratchFbo[0];
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dstFbo = tr.textureScratchFbo[1];
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@ -92,11 +90,20 @@ void RB_ToneMap(FBO_t *hdrFbo, int autoExposure)
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else
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GL_BindToTMU(tr.fixedLevelsImage, TB_LEVELSMAP);
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FBO_Blit(hdrFbo, NULL, NULL, tr.screenScratchFbo, NULL, &tr.tonemapShader, color, 0);
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FBO_Blit(hdrFbo, hdrBox, NULL, ldrFbo, ldrBox, &tr.tonemapShader, color, 0);
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}
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/*
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=============
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RB_BokehBlur
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void RB_BokehBlur(float blur)
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Blurs a part of one framebuffer to another.
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Framebuffers can be identical.
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=============
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*/
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void RB_BokehBlur(FBO_t *src, vec4i_t srcBox, FBO_t *dst, vec4i_t dstBox, float blur)
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{
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// vec4i_t srcBox, dstBox;
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vec4_t color;
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@ -111,9 +118,16 @@ void RB_BokehBlur(float blur)
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// bokeh blur
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if (blur > 0.0f)
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{
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vec4i_t quarterBox;
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quarterBox[0] = 0;
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quarterBox[1] = tr.quarterFbo[0]->height;
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quarterBox[2] = tr.quarterFbo[0]->width;
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quarterBox[3] = -tr.quarterFbo[0]->height;
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// create a quarter texture
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//FBO_Blit(NULL, NULL, NULL, tr.quarterFbo[0], NULL, NULL, NULL, 0);
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FBO_FastBlit(tr.screenScratchFbo, NULL, tr.quarterFbo[0], NULL, GL_COLOR_BUFFER_BIT, GL_LINEAR);
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FBO_FastBlit(src, srcBox, tr.quarterFbo[0], quarterBox, GL_COLOR_BUFFER_BIT, GL_LINEAR);
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}
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#ifndef HQ_BLUR
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@ -130,18 +144,18 @@ void RB_BokehBlur(float blur)
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// Crossfade original with quarter texture
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VectorSet4(color, 1, 1, 1, blur);
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FBO_Blit(tr.quarterFbo[0], NULL, NULL, tr.screenScratchFbo, NULL, NULL, color, GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA);
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FBO_Blit(tr.quarterFbo[0], NULL, NULL, dst, dstBox, NULL, color, GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA);
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}
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#ifndef HQ_BLUR
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// ok blur, but can see some pixelization
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else if (blur > 1.0f && blur <= 2.0f)
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{
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// crossfade quarter texture with 1/16th texture
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FBO_Blit(tr.quarterFbo[0], NULL, NULL, tr.screenScratchFbo, NULL, NULL, NULL, 0);
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FBO_Blit(tr.quarterFbo[0], NULL, NULL, dst, dstBox, NULL, NULL, 0);
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VectorSet4(color, 1, 1, 1, blur - 1.0f);
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FBO_Blit(tr.textureScratchFbo[0], NULL, NULL, tr.screenScratchFbo, NULL, NULL, color, GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA);
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FBO_Blit(tr.textureScratchFbo[0], NULL, NULL, dst, dstBox, NULL, color, GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA);
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}
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else if (blur > 2.0f)
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{
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@ -169,7 +183,7 @@ void RB_BokehBlur(float blur)
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FBO_Blit(tr.textureScratchFbo[0], NULL, blurTexScale, tr.textureScratchFbo[1], NULL, &tr.bokehShader, color, 0);
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}
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FBO_Blit(tr.textureScratchFbo[1], NULL, NULL, tr.screenScratchFbo, NULL, &tr.textureColorShader, NULL, 0);
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FBO_Blit(tr.textureScratchFbo[1], NULL, NULL, dst, dstBox, &tr.textureColorShader, NULL, 0);
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}
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#else // higher quality blur, but slower
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else if (blur > 1.0f)
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@ -203,7 +217,7 @@ void RB_BokehBlur(float blur)
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FBO_Blit(tr.quarterFbo[0], NULL, blurTexScale, tr.quarterFbo[1], NULL, &tr.bokehShader, color, GLS_SRCBLEND_SRC_ALPHA | GLS_DSTBLEND_ONE_MINUS_SRC_ALPHA);
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}
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FBO_Blit(tr.quarterFbo[1], NULL, NULL, tr.screenScratchFbo, NULL, &tr.textureColorShader, NULL, 0);
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FBO_Blit(tr.quarterFbo[1], NULL, NULL, dst, dstBox, &tr.textureColorShader, NULL, 0);
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}
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#endif
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}
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@ -284,9 +298,8 @@ static qboolean RB_UpdateSunFlareVis(void)
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return sampleCount > 0;
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}
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void RB_SunRays(void)
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void RB_SunRays(FBO_t *srcFbo, vec4i_t srcBox, FBO_t *dstFbo, vec4i_t dstBox)
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{
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vec4i_t srcBox, dstBox;
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vec4_t color;
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float dot;
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const float cutoff = 0.25f;
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@ -325,27 +338,38 @@ void RB_SunRays(void)
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hpos[3] = 0.5f / hpos[3];
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pos[0] = 0.5f + hpos[0] * hpos[3];
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pos[1] = 0.5f - hpos[1] * hpos[3];
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pos[1] = 0.5f + hpos[1] * hpos[3];
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// initialize quarter buffers
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{
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float mul = 1.f;
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vec2_t texScale;
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vec4i_t rayBox, quarterBox;
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texScale[0] =
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texScale[1] = 1.0f;
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VectorSet4(color, mul, mul, mul, 1);
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rayBox[0] = srcBox[0] * tr.sunRaysFbo->width / srcFbo->width;
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rayBox[1] = srcBox[1] * tr.sunRaysFbo->height / srcFbo->height;
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rayBox[2] = srcBox[2] * tr.sunRaysFbo->width / srcFbo->width;
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rayBox[3] = srcBox[3] * tr.sunRaysFbo->height / srcFbo->height;
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quarterBox[0] = 0;
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quarterBox[1] = tr.quarterFbo[0]->height;
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quarterBox[2] = tr.quarterFbo[0]->width;
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quarterBox[3] = -tr.quarterFbo[0]->height;
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// first, downsample the framebuffer
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if (colorize)
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{
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FBO_FastBlit(tr.screenScratchFbo, NULL, tr.quarterFbo[0], NULL, GL_COLOR_BUFFER_BIT, GL_LINEAR);
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FBO_Blit(tr.sunRaysFbo, NULL, NULL, tr.quarterFbo[0], NULL, NULL, color, GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO);
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FBO_FastBlit(srcFbo, srcBox, tr.quarterFbo[0], quarterBox, GL_COLOR_BUFFER_BIT, GL_LINEAR);
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FBO_Blit(tr.sunRaysFbo, rayBox, NULL, tr.quarterFbo[0], quarterBox, NULL, color, GLS_SRCBLEND_DST_COLOR | GLS_DSTBLEND_ZERO);
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}
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else
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{
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FBO_FastBlit(tr.sunRaysFbo, NULL, tr.quarterFbo[0], NULL, GL_COLOR_BUFFER_BIT, GL_LINEAR);
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FBO_FastBlit(tr.sunRaysFbo, rayBox, tr.quarterFbo[0], quarterBox, GL_COLOR_BUFFER_BIT, GL_LINEAR);
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}
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}
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@ -371,9 +395,7 @@ void RB_SunRays(void)
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VectorSet4(color, mul, mul, mul, 1);
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VectorSet4(srcBox, 0, 0, tr.quarterFbo[0]->width, tr.quarterFbo[0]->height);
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VectorSet4(dstBox, 0, 0, glConfig.vidWidth, glConfig.vidHeight);
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FBO_Blit(tr.quarterFbo[0], srcBox, texScale, tr.screenScratchFbo, dstBox, &tr.textureColorShader, color, GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE);
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FBO_Blit(tr.quarterFbo[0], NULL, texScale, dstFbo, dstBox, &tr.textureColorShader, color, GLS_SRCBLEND_ONE | GLS_DSTBLEND_ONE);
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}
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}
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