floodfill add buffer qualifiers, use image sampler

shaders/dimensions/all_particles.fsh

@@ -35,6 +35,11 @@ uniform sampler2D texture;
 uniform sampler2D noisetex;
 uniform sampler2D colortex4;
 
+#ifdef IS_LPV_ENABLED
+	uniform sampler3D texLpv1;
+	uniform sampler3D texLpv2;
+#endif
+
 
 uniform mat4 gbufferProjectionInverse;
 uniform mat4 gbufferModelViewInverse;

shaders/dimensions/all_translucent.fsh

@@ -50,6 +50,11 @@ uniform sampler2D texture;
 uniform sampler2D specular;
 uniform sampler2D normals;
 
+#ifdef IS_LPV_ENABLED
+	uniform sampler3D texLpv1;
+	uniform sampler3D texLpv2;
+#endif
+
 varying vec4 tangent;
 varying vec4 normalMat;
 varying vec3 binormal;

shaders/dimensions/composite1.fsh

@@ -86,6 +86,10 @@ uniform sampler2D colortex13;
 uniform sampler2D colortex14;
 uniform sampler2D colortex15; // flat normals(rgb), vanillaAO(alpha)
 
+#ifdef IS_LPV_ENABLED
+	uniform sampler3D texLpv1;
+	uniform sampler3D texLpv2;
+#endif
 
 
 uniform mat4 shadowModelView;

shaders/dimensions/shadowcomp.csh

@@ -1,3 +1,5 @@
+#define RENDER_SHADOWCOMP
+
 layout (local_size_x = 8, local_size_y = 8, local_size_z = 8) in;
 
 #if   LPV_SIZE == 8
@@ -27,6 +29,7 @@ layout (local_size_x = 8, local_size_y = 8, local_size_z = 8) in;
 	#include "/lib/blocks.glsl"
 	#include "/lib/lpv_common.glsl"
 	#include "/lib/lpv_blocks.glsl"
+	#include "/lib/lpv_buffer.glsl"
 	#include "/lib/voxel_common.glsl"
 
 	int sumOf(ivec3 vec) {return vec.x + vec.y + vec.z;}

shaders/lib/lpv_buffer.glsl

@@ -0,0 +1,7 @@
+#ifdef RENDER_SHADOWCOMP
+	layout(rgba8) uniform restrict image3D imgLpv1;
+	layout(rgba8) uniform restrict image3D imgLpv2;
+#else
+	layout(rgba8) uniform readonly image3D imgLpv1;
+	layout(rgba8) uniform readonly image3D imgLpv2;
+#endif

shaders/lib/lpv_common.glsl

@@ -1,6 +1,3 @@
-layout(rgba8) uniform image3D imgLpv1;
-layout(rgba8) uniform image3D imgLpv2;
-
 // How far light propagates (block, sky)
 const vec2 LpvBlockSkyRange = vec2(15.0, 24.0);
 

shaders/lib/lpv_render.glsl

@@ -7,8 +7,8 @@ const float LpvBlockBrightness = 2.0;
 
 vec4 SampleLpvNearest(const in ivec3 lpvPos) {
     vec4 lpvSample = (frameCounter % 2) == 0
-        ? imageLoad(imgLpv1, lpvPos)
+        ? texelFetch(texLpv1, lpvPos, 0)
-        : imageLoad(imgLpv2, lpvPos);
+        : texelFetch(texLpv2, lpvPos, 0);
 
     lpvSample.b = pow(lpvSample.b, LpvBlockPower) * LpvBlockSkyRange.x;
     lpvSample.rgb = HsvToRgb(lpvSample.rgb);

shaders/lib/voxel_common.glsl

@@ -1,4 +1,8 @@
-layout(r16ui) uniform uimage3D imgVoxelMask;
+#ifdef RENDER_SHADOW
+	layout(r16ui) uniform uimage3D imgVoxelMask;
+#else
+	layout(r16ui) uniform readonly uimage3D imgVoxelMask;
+#endif
 
 const uint VoxelSize = uint(exp2(LPV_SIZE));
 const uvec3 VoxelSize3 = uvec3(VoxelSize);

shaders/shaders.properties

@@ -627,16 +627,16 @@ uniform.float.shadowMaxProj = 150.0/abs(sunPosY)
 
     #if   LPV_SIZE == 8
         image.imgVoxelMask = none RED_INTEGER R16UI UNSIGNED_SHORT true false 256 256 256
-        image.imgLpv1 = none RGB RGBA8 BYTE false false 256 256 256
+        image.imgLpv1 = texLpv1 RGB RGBA8 BYTE false false 256 256 256
-        image.imgLpv2 = none RGB RGBA8 BYTE false false 256 256 256
+        image.imgLpv2 = texLpv2 RGB RGBA8 BYTE false false 256 256 256
     #elif LPV_SIZE == 7
         image.imgVoxelMask = none RED_INTEGER R16UI UNSIGNED_SHORT true false 128 128 128
-        image.imgLpv1 = none RGB RGBA8 BYTE false false 128 128 128
+        image.imgLpv1 = texLpv1 RGB RGBA8 BYTE false false 128 128 128
-        image.imgLpv2 = none RGB RGBA8 BYTE false false 128 128 128
+        image.imgLpv2 = texLpv2 RGB RGBA8 BYTE false false 128 128 128
     #elif LPV_SIZE == 6
         image.imgVoxelMask = none RED_INTEGER R16UI UNSIGNED_SHORT true false 64 64 64
-        image.imgLpv1 = none RGB RGBA8 BYTE false false 64 64 64
+        image.imgLpv1 = texLpv1 RGB RGBA8 BYTE false false 64 64 64
-        image.imgLpv2 = none RGB RGBA8 BYTE false false 64 64 64
+        image.imgLpv2 = texLpv2 RGB RGBA8 BYTE false false 64 64 64
     #endif
 #else
     program.world1/setup.enabled = false

shaders/world0/shadow.vsh

@@ -4,6 +4,7 @@
 	#extension GL_EXT_shader_image_load_store: enable
 #endif
 
+#define RENDER_SHADOW
 
 
 /*
@@ -221,6 +222,7 @@ void main() {
 							break;
 
 						// TODO: blaze, magma_cube
+					}
 				}
 
 				if (voxelId > 0u)