[Bf-blender-cvs] [bc984fd09ba] blender2.8: Eevee: Reduce shadow map precision.

[Clément Foucault]

Commit: bc984fd09bad889d54ffc78f0337ee7f15f68531
Author: Clément Foucault
Date:   Fri Jun 2 21:00:10 2017 +0200
Branches: blender2.8
https://developer.blender.org/rBbc984fd09bad889d54ffc78f0337ee7f15f68531

Eevee: Reduce shadow map precision.

Since we only store linear distance now we don't need so much bytes per pixels.

===================================================================

M	source/blender/draw/engines/eevee/eevee_lights.c

===================================================================

diff --git a/source/blender/draw/engines/eevee/eevee_lights.c b/source/blender/draw/engines/eevee/eevee_lights.c
index 2fbe22b134b..1685d71dfbe 100644
--- a/source/blender/draw/engines/eevee/eevee_lights.c
+++ b/source/blender/draw/engines/eevee/eevee_lights.c
@@ -247,7 +247,7 @@ void EEVEE_lights_cache_finish(EEVEE_SceneLayerData *sldata)
 		/* Cubemap / octahedral map pool */
 		/* TODO Cubemap array */
 		sldata->shadow_depth_cube_pool = DRW_texture_create_2D_array(
-		        512, 512, max_ff(1, linfo->num_cube), DRW_TEX_R_32,
+		        512, 512, max_ff(1, linfo->num_cube), DRW_TEX_R_16,
 		        DRW_TEX_FILTER | DRW_TEX_COMPARE, NULL);
 		if (sldata->shadow_cube_fb) {
 			DRW_framebuffer_texture_attach(sldata->shadow_cube_fb, sldata->shadow_depth_cube_pool, 0, 0);
@@ -272,10 +272,10 @@ void EEVEE_lights_cache_finish(EEVEE_SceneLayerData *sldata)
 
 	DRWFboTexture tex_cube_target[2] = {
 	        {&sldata->shadow_depth_cube_target, DRW_TEX_DEPTH_24, 0},
-	        {&sldata->shadow_color_cube_target, DRW_TEX_R_32, DRW_TEX_FILTER}};
+	        {&sldata->shadow_color_cube_target, DRW_TEX_R_16, DRW_TEX_FILTER}};
 	DRW_framebuffer_init(&sldata->shadow_cube_target_fb, &draw_engine_eevee_type, 512, 512, tex_cube_target, 2);
 
-	DRWFboTexture tex_cube = {&sldata->shadow_depth_cube_pool, DRW_TEX_R_32, DRW_TEX_FILTER};
+	DRWFboTexture tex_cube = {&sldata->shadow_depth_cube_pool, DRW_TEX_R_16, DRW_TEX_FILTER};
 	DRW_framebuffer_init(&sldata->shadow_cube_fb, &draw_engine_eevee_type, 512, 512, &tex_cube, 1);
 
 	DRWFboTexture tex_cascade = {&sldata->shadow_depth_cascade_pool, DRW_TEX_DEPTH_24, DRW_TEX_FILTER | DRW_TEX_COMPARE};