diff options
Diffstat (limited to 'source/blender/draw/intern/shaders')
4 files changed, 79 insertions, 18 deletions
diff --git a/source/blender/draw/intern/shaders/common_subdiv_ibo_lines_comp.glsl b/source/blender/draw/intern/shaders/common_subdiv_ibo_lines_comp.glsl index 3cbb9f980f3..5084dcc0746 100644 --- a/source/blender/draw/intern/shaders/common_subdiv_ibo_lines_comp.glsl +++ b/source/blender/draw/intern/shaders/common_subdiv_ibo_lines_comp.glsl @@ -1,22 +1,41 @@ /* To be compiled with common_subdiv_lib.glsl */ -layout(std430, binding = 0) readonly buffer inputEdgeOrigIndex +layout(std430, binding = 1) readonly buffer inputEdgeOrigIndex { int input_origindex[]; }; -layout(std430, binding = 1) writeonly buffer outputLinesIndices +layout(std430, binding = 2) readonly restrict buffer extraCoarseFaceData +{ + uint extra_coarse_face_data[]; +}; + +layout(std430, binding = 3) writeonly buffer outputLinesIndices { uint output_lines[]; }; +layout(std430, binding = 4) readonly buffer LinesLooseFlags +{ + uint lines_loose_flags[]; +}; + #ifndef LINES_LOOSE -void emit_line(uint line_offset, uint start_loop_index, uint corner_index) + +bool is_face_hidden(uint coarse_quad_index) +{ + return (extra_coarse_face_data[coarse_quad_index] & coarse_face_hidden_mask) != 0; +} + +void emit_line(uint line_offset, uint quad_index, uint start_loop_index, uint corner_index) { uint vertex_index = start_loop_index + corner_index; - if (input_origindex[vertex_index] == ORIGINDEX_NONE && optimal_display) { + uint coarse_quad_index = coarse_polygon_index_from_subdiv_quad_index(quad_index, + coarse_poly_count); + + if (is_face_hidden(coarse_quad_index) || (input_origindex[vertex_index] == ORIGINDEX_NONE && optimal_display)) { output_lines[line_offset + 0] = 0xffffffff; output_lines[line_offset + 1] = 0xffffffff; } @@ -41,8 +60,17 @@ void main() /* In the loose lines case, we execute for each line, with two vertices per line. */ uint line_offset = edge_loose_offset + index * 2; uint loop_index = num_subdiv_loops + index * 2; - output_lines[line_offset] = loop_index; - output_lines[line_offset + 1] = loop_index + 1; + + if (lines_loose_flags[index] != 0) { + /* Line is hidden. */ + output_lines[line_offset] = 0xffffffff; + output_lines[line_offset + 1] = 0xffffffff; + } + else { + output_lines[line_offset] = loop_index; + output_lines[line_offset + 1] = loop_index + 1; + } + #else /* We execute for each quad, so the start index of the loop is quad_index * 4. */ uint start_loop_index = index * 4; @@ -51,7 +79,7 @@ void main() uint start_line_index = index * 8; for (int i = 0; i < 4; i++) { - emit_line(start_line_index + i * 2, start_loop_index, i); + emit_line(start_line_index + i * 2, index, start_loop_index, i); } #endif } diff --git a/source/blender/draw/intern/shaders/common_subdiv_ibo_tris_comp.glsl b/source/blender/draw/intern/shaders/common_subdiv_ibo_tris_comp.glsl index 3dccc82541e..f1275b36c34 100644 --- a/source/blender/draw/intern/shaders/common_subdiv_ibo_tris_comp.glsl +++ b/source/blender/draw/intern/shaders/common_subdiv_ibo_tris_comp.glsl @@ -3,18 +3,28 @@ /* Generate triangles from subdivision quads indices. */ -layout(std430, binding = 1) writeonly buffer outputTriangles +layout(std430, binding = 1) readonly restrict buffer extraCoarseFaceData +{ + uint extra_coarse_face_data[]; +}; + +layout(std430, binding = 2) writeonly buffer outputTriangles { uint output_tris[]; }; #ifndef SINGLE_MATERIAL -layout(std430, binding = 2) readonly buffer inputPolygonMatOffset +layout(std430, binding = 3) readonly buffer inputPolygonMatOffset { int polygon_mat_offset[]; }; #endif +bool is_face_hidden(uint coarse_quad_index) +{ + return (extra_coarse_face_data[coarse_quad_index] & coarse_face_hidden_mask) != 0; +} + void main() { uint quad_index = get_global_invocation_index(); @@ -24,20 +34,31 @@ void main() uint loop_index = quad_index * 4; + uint coarse_quad_index = coarse_polygon_index_from_subdiv_quad_index(quad_index, + coarse_poly_count); + #ifdef SINGLE_MATERIAL uint triangle_loop_index = quad_index * 6; #else - uint coarse_quad_index = coarse_polygon_index_from_subdiv_quad_index(quad_index, - coarse_poly_count); int mat_offset = polygon_mat_offset[coarse_quad_index]; int triangle_loop_index = (int(quad_index) + mat_offset) * 6; #endif - output_tris[triangle_loop_index + 0] = loop_index + 0; - output_tris[triangle_loop_index + 1] = loop_index + 1; - output_tris[triangle_loop_index + 2] = loop_index + 2; - output_tris[triangle_loop_index + 3] = loop_index + 0; - output_tris[triangle_loop_index + 4] = loop_index + 2; - output_tris[triangle_loop_index + 5] = loop_index + 3; + if (is_face_hidden(coarse_quad_index)) { + output_tris[triangle_loop_index + 0] = 0xffffffff; + output_tris[triangle_loop_index + 1] = 0xffffffff; + output_tris[triangle_loop_index + 2] = 0xffffffff; + output_tris[triangle_loop_index + 3] = 0xffffffff; + output_tris[triangle_loop_index + 4] = 0xffffffff; + output_tris[triangle_loop_index + 5] = 0xffffffff; + } + else { + output_tris[triangle_loop_index + 0] = loop_index + 0; + output_tris[triangle_loop_index + 1] = loop_index + 1; + output_tris[triangle_loop_index + 2] = loop_index + 2; + output_tris[triangle_loop_index + 3] = loop_index + 0; + output_tris[triangle_loop_index + 4] = loop_index + 2; + output_tris[triangle_loop_index + 5] = loop_index + 3; + } } diff --git a/source/blender/draw/intern/shaders/common_subdiv_lib.glsl b/source/blender/draw/intern/shaders/common_subdiv_lib.glsl index ce324249446..55e4ac20271 100644 --- a/source/blender/draw/intern/shaders/common_subdiv_lib.glsl +++ b/source/blender/draw/intern/shaders/common_subdiv_lib.glsl @@ -31,6 +31,7 @@ layout(std140) uniform shader_data uint coarse_face_select_mask; uint coarse_face_smooth_mask; uint coarse_face_active_mask; + uint coarse_face_hidden_mask; uint coarse_face_loopstart_mask; /* Total number of elements to process. */ diff --git a/source/blender/draw/intern/shaders/common_subdiv_patch_evaluation_comp.glsl b/source/blender/draw/intern/shaders/common_subdiv_patch_evaluation_comp.glsl index bf1f0f95787..b2860e58b5c 100644 --- a/source/blender/draw/intern/shaders/common_subdiv_patch_evaluation_comp.glsl +++ b/source/blender/draw/intern/shaders/common_subdiv_patch_evaluation_comp.glsl @@ -387,6 +387,11 @@ float get_face_flag(uint coarse_quad_index) return 0.0; } +bool is_face_hidden(uint coarse_quad_index) +{ + return (extra_coarse_face_data[coarse_quad_index] & coarse_face_hidden_mask) != 0; +} + void main() { /* We execute for each coarse quad. */ @@ -417,7 +422,13 @@ void main() output_verts[coarse_quad_index] = vert; output_nors[coarse_quad_index] = fnor; - output_indices[coarse_quad_index] = coarse_quad_index; + + if (is_face_hidden(coarse_quad_index)) { + output_indices[coarse_quad_index] = 0xffffffff; + } + else { + output_indices[coarse_quad_index] = coarse_quad_index; + } } #else void main() |