diff options
Diffstat (limited to 'servers/rendering/renderer_rd/shaders/sdfgi_fields.glsl')
-rw-r--r-- | servers/rendering/renderer_rd/shaders/sdfgi_fields.glsl | 182 |
1 files changed, 0 insertions, 182 deletions
diff --git a/servers/rendering/renderer_rd/shaders/sdfgi_fields.glsl b/servers/rendering/renderer_rd/shaders/sdfgi_fields.glsl deleted file mode 100644 index 69d8824d8a..0000000000 --- a/servers/rendering/renderer_rd/shaders/sdfgi_fields.glsl +++ /dev/null @@ -1,182 +0,0 @@ -/* clang-format off */ -[compute] - -#version 450 - -VERSION_DEFINES - -layout(local_size_x = OCT_RES, local_size_y = OCT_RES, local_size_z = 1) in; - -/* clang-format on */ - -#define MAX_CASCADES 8 - -layout(rgba16f, set = 0, binding = 1) uniform restrict image2DArray irradiance_texture; -layout(rg16f, set = 0, binding = 2) uniform restrict image2DArray depth_texture; - -layout(rgba32ui, set = 0, binding = 3) uniform restrict uimage2DArray irradiance_history_texture; -layout(rg32ui, set = 0, binding = 4) uniform restrict uimage2DArray depth_history_texture; - -struct CascadeData { - vec3 offset; //offset of (0,0,0) in world coordinates - float to_cell; // 1/bounds * grid_size -}; - -layout(set = 0, binding = 5, std140) uniform Cascades { - CascadeData data[MAX_CASCADES]; -} -cascades; - -#define DEPTH_HISTORY_BITS 24 -#define IRRADIANCE_HISTORY_BITS 16 - -layout(push_constant, binding = 0, std430) uniform Params { - vec3 grid_size; - uint max_cascades; - - uint probe_axis_size; - uint cascade; - uint history_size; - uint pad0; - - ivec3 scroll; //scroll in probes - uint pad1; -} -params; - -void main() { - ivec2 local = ivec2(gl_LocalInvocationID.xy); - ivec2 probe = ivec2(gl_WorkGroupID.xy); - - ivec3 probe_cell; - probe_cell.x = probe.x % int(params.probe_axis_size); - probe_cell.y = probe.y; - probe_cell.z = probe.x / int(params.probe_axis_size); - -#ifdef MODE_SCROLL_BEGIN - - ivec3 read_cell = probe_cell - params.scroll; - - uint src_layer = (params.history_size + 1) * params.cascade; - uint dst_layer = (params.history_size + 1) * params.max_cascades; - - for (uint i = 0; i <= params.history_size; i++) { - ivec3 write_pos = ivec3(probe * OCT_RES + local, int(i)); - - if (any(lessThan(read_pos, ivec3(0))) || any(greaterThanEqual(read_pos, ivec3(params.probe_axis_size)))) { - // nowhere to read from for scrolling, try finding the value from upper probes - -#ifdef MODE_IRRADIANCE - imageStore(irradiance_history_texture, write_pos, uvec4(0)); -#endif -#ifdef MODE_DEPTH - imageStore(depth_history_texture, write_pos, uvec4(0)); -#endif - } else { - ivec3 read_pos; - read_pos.xy = read_cell.xy; - read_pos.x += read_cell.z * params.probe_axis_size; - read_pos.xy = read_pos.xy * OCT_RES + local; - read_pos.z = int(i); - -#ifdef MODE_IRRADIANCE - uvec4 value = imageLoad(irradiance_history_texture, read_pos); - imageStore(irradiance_history_texture, write_pos, value); -#endif -#ifdef MODE_DEPTH - uvec2 value = imageLoad(depth_history_texture, read_pos); - imageStore(depth_history_texture, write_pos, value); -#endif - } - } - -#endif // MODE_SCROLL_BEGIN - -#ifdef MODE_SCROLL_END - - uint src_layer = (params.history_size + 1) * params.max_cascades; - uint dst_layer = (params.history_size + 1) * params.cascade; - - for (uint i = 0; i <= params.history_size; i++) { - ivec3 pos = ivec3(probe * OCT_RES + local, int(i)); - -#ifdef MODE_IRRADIANCE - uvec4 value = imageLoad(irradiance_history_texture, read_pos); - imageStore(irradiance_history_texture, write_pos, value); -#endif -#ifdef MODE_DEPTH - uvec2 value = imageLoad(depth_history_texture, read_pos); - imageStore(depth_history_texture, write_pos, value); -#endif - } - -#endif //MODE_SCROLL_END - -#ifdef MODE_STORE - - uint src_layer = (params.history_size + 1) * params.cascade + params.history_size; - ivec3 read_pos = ivec3(probe * OCT_RES + local, int(src_layer)); - - ivec3 write_pos = ivec3(probe * (OCT_RES + 2) + ivec2(1), int(params.cascade)); - - ivec3 copy_to[4] = ivec3[](write_pos, ivec3(-2, -2, -2), ivec3(-2, -2, -2), ivec3(-2, -2, -2)); - -#ifdef MODE_IRRADIANCE - uvec4 average = imageLoad(irradiance_history_texture, read_pos); - vec4 light_accum = vec4(average / params.history_size) / float(1 << IRRADIANCE_HISTORY_BITS); - -#endif -#ifdef MODE_DEPTH - uvec2 value = imageLoad(depth_history_texture, read_pos); - vec2 depth_accum = vec4(average / params.history_size) / float(1 << IRRADIANCE_HISTORY_BITS); - - float probe_cell_size = float(params.grid_size / float(params.probe_axis_size - 1)) / cascades.data[params.cascade].to_cell; - float max_depth = length(params.grid_size / cascades.data[params.max_cascades - 1].to_cell); - max_depth /= probe_cell_size; - - depth_value = (vec2(average / params.history_size) / float(1 << DEPTH_HISTORY_BITS)) * vec2(max_depth, max_depth * max_depth); - -#endif - - /* Fill the border if required */ - - if (local == ivec2(0, 0)) { - copy_to[1] = texture_pos + ivec3(OCT_RES - 1, -1, 0); - copy_to[2] = texture_pos + ivec3(-1, OCT_RES - 1, 0); - copy_to[3] = texture_pos + ivec3(OCT_RES, OCT_RES, 0); - } else if (local == ivec2(OCT_RES - 1, 0)) { - copy_to[1] = texture_pos + ivec3(0, -1, 0); - copy_to[2] = texture_pos + ivec3(OCT_RES, OCT_RES - 1, 0); - copy_to[3] = texture_pos + ivec3(-1, OCT_RES, 0); - } else if (local == ivec2(0, OCT_RES - 1)) { - copy_to[1] = texture_pos + ivec3(-1, 0, 0); - copy_to[2] = texture_pos + ivec3(OCT_RES - 1, OCT_RES, 0); - copy_to[3] = texture_pos + ivec3(OCT_RES, -1, 0); - } else if (local == ivec2(OCT_RES - 1, OCT_RES - 1)) { - copy_to[1] = texture_pos + ivec3(0, OCT_RES, 0); - copy_to[2] = texture_pos + ivec3(OCT_RES, 0, 0); - copy_to[3] = texture_pos + ivec3(-1, -1, 0); - } else if (local.y == 0) { - copy_to[1] = texture_pos + ivec3(OCT_RES - local.x - 1, local.y - 1, 0); - } else if (local.x == 0) { - copy_to[1] = texture_pos + ivec3(local.x - 1, OCT_RES - local.y - 1, 0); - } else if (local.y == OCT_RES - 1) { - copy_to[1] = texture_pos + ivec3(OCT_RES - local.x - 1, local.y + 1, 0); - } else if (local.x == OCT_RES - 1) { - copy_to[1] = texture_pos + ivec3(local.x + 1, OCT_RES - local.y - 1, 0); - } - - for (int i = 0; i < 4; i++) { - if (copy_to[i] == ivec3(-2, -2, -2)) { - continue; - } -#ifdef MODE_IRRADIANCE - imageStore(irradiance_texture, copy_to[i], light_accum); -#endif -#ifdef MODE_DEPTH - imageStore(depth_texture, copy_to[i], vec4(depth_value, 0.0, 0.0)); -#endif - } - -#endif // MODE_STORE -} |