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-rw-r--r--drivers/gles3/rasterizer_scene_gles3.cpp5
-rw-r--r--drivers/gles3/shaders/scene.glsl22
-rw-r--r--drivers/gles3/storage/material_storage.cpp4
-rw-r--r--drivers/gles3/storage/mesh_storage.cpp37
-rw-r--r--drivers/gles3/storage/mesh_storage.h8
5 files changed, 45 insertions, 31 deletions
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp
index 3e416bc615..9bbe960d86 100644
--- a/drivers/gles3/rasterizer_scene_gles3.cpp
+++ b/drivers/gles3/rasterizer_scene_gles3.cpp
@@ -867,7 +867,6 @@ void RasterizerSceneGLES3::_update_sky_radiance(RID p_env, const Projection &p_p
GLES3::MaterialStorage::get_singleton()->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::TIME, time, shader_data->version, SkyShaderGLES3::MODE_CUBEMAP);
GLES3::MaterialStorage::get_singleton()->shaders.sky_shader.version_set_uniform(SkyShaderGLES3::PROJECTION, cm.matrix[2][0], cm.matrix[0][0], cm.matrix[2][1], cm.matrix[1][1], shader_data->version, SkyShaderGLES3::MODE_CUBEMAP);
- // Bind a vertex array or else OpenGL complains. We won't actually use it
glBindVertexArray(sky_globals.screen_triangle_array);
glViewport(0, 0, sky->radiance_size, sky->radiance_size);
@@ -2150,7 +2149,9 @@ void RasterizerSceneGLES3::_render_list_template(RenderListParameters *p_params,
index_array_gl = mesh_storage->mesh_surface_get_index_buffer(mesh_surface, surf->lod_index);
if (prev_vertex_array_gl != vertex_array_gl) {
- glBindVertexArray(vertex_array_gl);
+ if (vertex_array_gl != 0) {
+ glBindVertexArray(vertex_array_gl);
+ }
prev_vertex_array_gl = vertex_array_gl;
}
diff --git a/drivers/gles3/shaders/scene.glsl b/drivers/gles3/shaders/scene.glsl
index 84daf839e9..c7fdd6ebd8 100644
--- a/drivers/gles3/shaders/scene.glsl
+++ b/drivers/gles3/shaders/scene.glsl
@@ -35,8 +35,8 @@ USE_RADIANCE_MAP = true
/*
from RenderingServer:
ARRAY_VERTEX = 0, // RG32F or RGB32F (depending on 2D bit)
-ARRAY_NORMAL = 1, // A2B10G10R10, A is ignored.
-ARRAY_TANGENT = 2, // A2B10G10R10, A flips sign of binormal.
+ARRAY_NORMAL = 1, // RG16 octahedral compression
+ARRAY_TANGENT = 2, // RG16 octahedral compression, sign stored in sign of G
ARRAY_COLOR = 3, // RGBA8
ARRAY_TEX_UV = 4, // RG32F
ARRAY_TEX_UV2 = 5, // RG32F
@@ -54,11 +54,11 @@ layout(location = 0) in highp vec3 vertex_attrib;
/* clang-format on */
#ifdef NORMAL_USED
-layout(location = 1) in vec3 normal_attrib;
+layout(location = 1) in vec2 normal_attrib;
#endif
#if defined(TANGENT_USED) || defined(NORMAL_MAP_USED) || defined(LIGHT_ANISOTROPY_USED)
-layout(location = 2) in vec4 tangent_attrib;
+layout(location = 2) in vec2 tangent_attrib;
#endif
#if defined(COLOR_USED)
@@ -97,6 +97,13 @@ layout(location = 10) in uvec4 bone_attrib;
layout(location = 11) in vec4 weight_attrib;
#endif
+vec3 oct_to_vec3(vec2 e) {
+ vec3 v = vec3(e.xy, 1.0 - abs(e.x) - abs(e.y));
+ float t = max(-v.z, 0.0);
+ v.xy += t * -sign(v.xy);
+ return v;
+}
+
#ifdef USE_INSTANCING
layout(location = 12) in highp vec4 instance_xform0;
layout(location = 13) in highp vec4 instance_xform1;
@@ -209,13 +216,14 @@ void main() {
#endif
#ifdef NORMAL_USED
- vec3 normal = normal_attrib * 2.0 - 1.0;
+ vec3 normal = oct_to_vec3(normal_attrib * 2.0 - 1.0);
#endif
highp mat3 model_normal_matrix = mat3(model_matrix);
#if defined(TANGENT_USED) || defined(NORMAL_MAP_USED) || defined(LIGHT_ANISOTROPY_USED)
- vec3 tangent = tangent_attrib.xyz * 2.0 - 1.0;
- float binormalf = tangent_attrib.a * 2.0 - 1.0;
+ vec2 signed_tangent_attrib = tangent_attrib * 2.0 - 1.0;
+ vec3 tangent = oct_to_vec3(vec2(signed_tangent_attrib.x, abs(signed_tangent_attrib.y) * 2.0 - 1.0));
+ float binormalf = sign(signed_tangent_attrib.y);
vec3 binormal = normalize(cross(normal, tangent) * binormalf);
#endif
diff --git a/drivers/gles3/storage/material_storage.cpp b/drivers/gles3/storage/material_storage.cpp
index c8a35dbdad..a64c7f7200 100644
--- a/drivers/gles3/storage/material_storage.cpp
+++ b/drivers/gles3/storage/material_storage.cpp
@@ -1456,8 +1456,8 @@ MaterialStorage::MaterialStorage() {
actions.renames["UV2"] = "uv2_interp";
actions.renames["COLOR"] = "color_interp";
actions.renames["POINT_SIZE"] = "gl_PointSize";
- actions.renames["INSTANCE_ID"] = "gl_InstanceIndex";
- actions.renames["VERTEX_ID"] = "gl_VertexIndex";
+ actions.renames["INSTANCE_ID"] = "gl_InstanceID";
+ actions.renames["VERTEX_ID"] = "gl_VertexID";
actions.renames["ALPHA_SCISSOR_THRESHOLD"] = "alpha_scissor_threshold";
actions.renames["ALPHA_HASH_SCALE"] = "alpha_hash_scale";
diff --git a/drivers/gles3/storage/mesh_storage.cpp b/drivers/gles3/storage/mesh_storage.cpp
index dee715150b..ddf94af5b8 100644
--- a/drivers/gles3/storage/mesh_storage.cpp
+++ b/drivers/gles3/storage/mesh_storage.cpp
@@ -124,11 +124,11 @@ void MeshStorage::mesh_add_surface(RID p_mesh, const RS::SurfaceData &p_surface)
} break;
case RS::ARRAY_NORMAL: {
- stride += sizeof(int32_t);
+ stride += sizeof(uint16_t) * 2;
} break;
case RS::ARRAY_TANGENT: {
- stride += sizeof(int32_t);
+ stride += sizeof(uint16_t) * 2;
} break;
case RS::ARRAY_COLOR: {
@@ -186,11 +186,13 @@ void MeshStorage::mesh_add_surface(RID p_mesh, const RS::SurfaceData &p_surface)
s->format = p_surface.format;
s->primitive = p_surface.primitive;
- glGenBuffers(1, &s->vertex_buffer);
- glBindBuffer(GL_ARRAY_BUFFER, s->vertex_buffer);
- glBufferData(GL_ARRAY_BUFFER, p_surface.vertex_data.size(), p_surface.vertex_data.ptr(), (s->format & RS::ARRAY_FLAG_USE_DYNAMIC_UPDATE) ? GL_DYNAMIC_DRAW : GL_STATIC_DRAW);
- glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
- s->vertex_buffer_size = p_surface.vertex_data.size();
+ if (p_surface.vertex_data.size()) {
+ glGenBuffers(1, &s->vertex_buffer);
+ glBindBuffer(GL_ARRAY_BUFFER, s->vertex_buffer);
+ glBufferData(GL_ARRAY_BUFFER, p_surface.vertex_data.size(), p_surface.vertex_data.ptr(), (s->format & RS::ARRAY_FLAG_USE_DYNAMIC_UPDATE) ? GL_DYNAMIC_DRAW : GL_STATIC_DRAW);
+ glBindBuffer(GL_ARRAY_BUFFER, 0); //unbind
+ s->vertex_buffer_size = p_surface.vertex_data.size();
+ }
if (p_surface.attribute_data.size()) {
glGenBuffers(1, &s->attribute_buffer);
@@ -214,7 +216,7 @@ void MeshStorage::mesh_add_surface(RID p_mesh, const RS::SurfaceData &p_surface)
}
if (p_surface.index_count) {
- bool is_index_16 = p_surface.vertex_count <= 65536;
+ bool is_index_16 = p_surface.vertex_count <= 65536 && p_surface.vertex_count > 0;
glGenBuffers(1, &s->index_buffer);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, s->index_buffer);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, p_surface.index_data.size(), p_surface.index_data.ptr(), GL_STATIC_DRAW);
@@ -238,6 +240,8 @@ void MeshStorage::mesh_add_surface(RID p_mesh, const RS::SurfaceData &p_surface)
}
}
+ ERR_FAIL_COND_MSG(!p_surface.index_count && !p_surface.vertex_count, "Meshes must contain a vertex array, an index array, or both");
+
s->aabb = p_surface.aabb;
s->bone_aabbs = p_surface.bone_aabbs; //only really useful for returning them.
@@ -340,7 +344,9 @@ RS::SurfaceData MeshStorage::mesh_get_surface(RID p_mesh, int p_surface) const {
RS::SurfaceData sd;
sd.format = s.format;
- sd.vertex_data = Utilities::buffer_get_data(GL_ARRAY_BUFFER, s.vertex_buffer, s.vertex_buffer_size);
+ if (s.vertex_buffer != 0) {
+ sd.vertex_data = Utilities::buffer_get_data(GL_ARRAY_BUFFER, s.vertex_buffer, s.vertex_buffer_size);
+ }
if (s.attribute_buffer != 0) {
sd.attribute_data = Utilities::buffer_get_data(GL_ARRAY_BUFFER, s.attribute_buffer, s.attribute_buffer_size);
@@ -598,17 +604,16 @@ void MeshStorage::_mesh_surface_generate_version_for_input_mask(Mesh::Surface::V
} break;
case RS::ARRAY_NORMAL: {
attribs[i].offset = vertex_stride;
- // Will need to change to accommodate octahedral compression
- attribs[i].size = 4;
- attribs[i].type = GL_UNSIGNED_INT_2_10_10_10_REV;
- vertex_stride += sizeof(float);
+ attribs[i].size = 2;
+ attribs[i].type = GL_UNSIGNED_SHORT;
+ vertex_stride += sizeof(uint16_t) * 2;
attribs[i].normalized = GL_TRUE;
} break;
case RS::ARRAY_TANGENT: {
attribs[i].offset = vertex_stride;
- attribs[i].size = 4;
- attribs[i].type = GL_UNSIGNED_INT_2_10_10_10_REV;
- vertex_stride += sizeof(float);
+ attribs[i].size = 2;
+ attribs[i].type = GL_UNSIGNED_SHORT;
+ vertex_stride += sizeof(uint16_t) * 2;
attribs[i].normalized = GL_TRUE;
} break;
case RS::ARRAY_COLOR: {
diff --git a/drivers/gles3/storage/mesh_storage.h b/drivers/gles3/storage/mesh_storage.h
index 339380b3b0..74f5800795 100644
--- a/drivers/gles3/storage/mesh_storage.h
+++ b/drivers/gles3/storage/mesh_storage.h
@@ -75,7 +75,7 @@ struct Mesh {
// Cache vertex arrays so they can be created
struct Version {
uint32_t input_mask = 0;
- GLuint vertex_array;
+ GLuint vertex_array = 0;
Attrib attribs[RS::ARRAY_MAX];
};
@@ -92,7 +92,7 @@ struct Mesh {
float edge_length = 0.0;
uint32_t index_count = 0;
uint32_t index_buffer_size = 0;
- GLuint index_buffer;
+ GLuint index_buffer = 0;
};
LOD *lods = nullptr;
@@ -175,7 +175,7 @@ struct MultiMesh {
bool *data_cache_dirty_regions = nullptr;
uint32_t data_cache_used_dirty_regions = 0;
- GLuint buffer;
+ GLuint buffer = 0;
bool dirty = false;
MultiMesh *dirty_list = nullptr;
@@ -362,7 +362,7 @@ public:
_FORCE_INLINE_ GLenum mesh_surface_get_index_type(void *p_surface) const {
Mesh::Surface *s = reinterpret_cast<Mesh::Surface *>(p_surface);
- return s->vertex_count <= 65536 ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT;
+ return (s->vertex_count <= 65536 && s->vertex_count > 0) ? GL_UNSIGNED_SHORT : GL_UNSIGNED_INT;
}
// Use this to cache Vertex Array Objects so they are only generated once