diff --git a/mesh_snap_utilities_line/snap_context_l/mesh_drawing.py b/mesh_snap_utilities_line/snap_context_l/mesh_drawing.py
index 36429f63cda5b2d9898d566b1f54049e9fb0b746..02bd3f430bab123f6fddc1610a006b3864205f55 100644
--- a/mesh_snap_utilities_line/snap_context_l/mesh_drawing.py
+++ b/mesh_snap_utilities_line/snap_context_l/mesh_drawing.py
@@ -2,10 +2,16 @@
import gpu
import bmesh
-import ctypes
from mathutils import Matrix
+def load_shader(shadername):
+ from os import path
+
+ with open(path.join(path.dirname(__file__), "shaders", shadername), "r") as f:
+ return f.read()
+
+
def get_mesh_vert_co_array(me):
tot_vco = len(me.vertices)
if tot_vco:
@@ -177,14 +183,10 @@ class GPU_Indices_Mesh:
_Hash = {}
shader = None
- UBO_data = None
- UBO = None
@classmethod
def end_opengl(cls):
del cls.shader
- del cls.UBO
- del cls.UBO_data
del cls
@@ -201,80 +203,14 @@ class GPU_Indices_Mesh:
atexit.unregister(cls.end_opengl)
atexit.register(cls.end_opengl)
- shader_info = gpu.types.GPUShaderCreateInfo()
-
- shader_info.define("USE_CLIP_PLANES")
- shader_info.typedef_source(
- "struct Data {\n"
- "#ifdef USE_CLIP_PLANES\n"
- " mat4 ModelMatrix;"
- " vec4 WorldClipPlanes[4];\n"
- "#endif\n"
- " int offset;\n"
- "#ifdef USE_CLIP_PLANES\n"
- " bool use_clip_planes;\n"
- "#endif\n"
- "};\n"
- )
- shader_info.push_constant("MAT4", "ModelViewProjectionMatrix")
- shader_info.uniform_buf(0, "Data", "g_data")
- shader_info.vertex_in(0, "VEC3", "pos")
- shader_info.vertex_source(
- # #define USE_CLIP_PLANES
- # uniform mat4 ModelViewProjectionMatrix;
- # uniform Data g_data;
- # in vec3 pos;
- "void main()"
- "{\n"
- "#ifdef USE_CLIP_PLANES\n"
- " if (g_data.use_clip_planes) {"
- " vec4 wpos = g_data.ModelMatrix * vec4(pos, 1.0);"
- " gl_ClipDistance[0] = dot(g_data.WorldClipPlanes[0], wpos);"
- " gl_ClipDistance[1] = dot(g_data.WorldClipPlanes[1], wpos);"
- " gl_ClipDistance[2] = dot(g_data.WorldClipPlanes[2], wpos);"
- " gl_ClipDistance[3] = dot(g_data.WorldClipPlanes[3], wpos);"
- " }\n"
- "#endif\n"
- " gl_Position = ModelViewProjectionMatrix * vec4(pos, 1.0);"
- "}"
- )
-
- shader_info.fragment_out(0, "UINT", "fragColor")
- shader_info.fragment_source(
- # out uint fragColor;
- "void main() {fragColor = uint(gl_PrimitiveID + g_data.offset);}"
- )
-
- cls.shader = gpu.shader.create_from_info(shader_info)
-
- class _UBO_struct(ctypes.Structure):
- _pack_ = 16
- _fields_ = [
- ("ModelMatrix", 4 * (4 * ctypes.c_float)),
- ("WorldClipPlanes", 4 * (4 * ctypes.c_float)),
- ("offset", ctypes.c_int),
- ("use_clip_planes", ctypes.c_bool),
- ("_pad", ctypes.c_char * 11),
- ]
-
- cls.UBO_data = _UBO_struct()
- cls.UBO = gpu.types.GPUUniformBuf(
- gpu.types.Buffer("UBYTE", ctypes.sizeof(cls.UBO_data), cls.UBO_data)
+ cls.shader = gpu.types.GPUShader(
+ load_shader("ID_color_vert.glsl"),
+ load_shader("ID_color_frag.glsl"),
+ defines="#define USE_CLIP_PLANES\n",
)
- @staticmethod
- def update_UBO():
- print("update")
- cls = GPU_Indices_Mesh
- cls.UBO.update(
- gpu.types.Buffer(
- "UBYTE",
- ctypes.sizeof(cls.UBO_data),
- cls.UBO_data,
- )
- )
- cls.shader.bind()
- cls.shader.uniform_block("g_data", cls.UBO)
+ cls.unif_offset = cls.shader.uniform_from_name("offset")
+ cls.use_clip_planes = False
def __init__(self, depsgraph, obj, draw_tris, draw_edges, draw_verts):
self.ob_data = obj.original.data
@@ -390,17 +326,12 @@ class GPU_Indices_Mesh:
gpu.matrix.multiply_matrix(ob_mat)
self.shader.bind()
- if GPU_Indices_Mesh.UBO_data.use_clip_planes:
+ if GPU_Indices_Mesh.use_clip_planes:
gpu.state.clip_distances_set(4)
- self.UBO_data.ModelMatrix[0] = ob_mat[0][:]
- self.UBO_data.ModelMatrix[1] = ob_mat[1][:]
- self.UBO_data.ModelMatrix[2] = ob_mat[2][:]
- self.UBO_data.ModelMatrix[3] = ob_mat[3][:]
+ self.shader.uniform_float("ModelMatrix", ob_mat)
if self.draw_tris:
- self.UBO_data.offset = index_offset
- self.update_UBO()
-
+ self.shader.uniform_int("offset", (index_offset,))
self.batch_tris.draw(self.shader)
index_offset += len(self.tri_verts)
@@ -425,21 +356,17 @@ class GPU_Indices_Mesh:
gpu.matrix.load_projection_matrix(winmat)
if self.draw_edges:
- self.UBO_data.offset = index_offset
- self.update_UBO()
-
+ self.shader.uniform_int("offset", (index_offset,))
# bgl.glLineWidth(3.0)
self.batch_edges.draw(self.shader)
# bgl.glLineWidth(1.0)
index_offset += len(self.edge_verts)
if self.draw_verts:
- self.UBO_data.offset = index_offset
- self.update_UBO()
-
+ self.shader.uniform_int("offset", (index_offset,))
self.batch_lverts.draw(self.shader)
- if GPU_Indices_Mesh.UBO_data.use_clip_planes:
+ if GPU_Indices_Mesh.use_clip_planes:
gpu.state.clip_distances_set(0)
gpu.matrix.pop()
@@ -499,16 +426,18 @@ def gpu_Indices_restore_state():
def gpu_Indices_use_clip_planes(rv3d, value):
GPU_Indices_Mesh.init_opengl()
+ shader = GPU_Indices_Mesh.shader
+ shader.bind()
if value and rv3d.use_clip_planes:
- GPU_Indices_Mesh.UBO_data.use_clip_planes = True
- GPU_Indices_Mesh.UBO_data.WorldClipPlanes[0] = rv3d.clip_planes[0][:]
- GPU_Indices_Mesh.UBO_data.WorldClipPlanes[1] = rv3d.clip_planes[1][:]
- GPU_Indices_Mesh.UBO_data.WorldClipPlanes[2] = rv3d.clip_planes[2][:]
- GPU_Indices_Mesh.UBO_data.WorldClipPlanes[3] = rv3d.clip_planes[3][:]
+ GPU_Indices_Mesh.use_clip_planes = True
+ planes = gpu.types.Buffer("FLOAT", (6, 4), rv3d.clip_planes)
+ shader.uniform_vector_float(
+ shader.uniform_from_name("WorldClipPlanes"), planes, 4, 4
+ )
else:
- GPU_Indices_Mesh.UBO_data.use_clip_planes = False
+ GPU_Indices_Mesh.use_clip_planes = False
- GPU_Indices_Mesh.update_UBO()
+ shader.uniform_bool("use_clip_planes", (GPU_Indices_Mesh.use_clip_planes,))
def gpu_Indices_mesh_cache_clear():