diff options
Diffstat (limited to 'drivers/gles3/rasterizer_storage_gles3.cpp')
| -rw-r--r-- | drivers/gles3/rasterizer_storage_gles3.cpp | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp index 012cda953c..bbe4d92856 100644 --- a/drivers/gles3/rasterizer_storage_gles3.cpp +++ b/drivers/gles3/rasterizer_storage_gles3.cpp @@ -38,6 +38,8 @@ #include "rasterizer_scene_gles3.h" #include "servers/rendering/shader_language.h" +/* MISC */ + void RasterizerStorageGLES3::base_update_dependency(RID p_base, DependencyTracker *p_instance) { if (GLES3::MeshStorage::get_singleton()->owns_mesh(p_base)) { GLES3::Mesh *mesh = GLES3::MeshStorage::get_singleton()->get_mesh(p_base); @@ -54,6 +56,29 @@ void RasterizerStorageGLES3::base_update_dependency(RID p_base, DependencyTracke } } +Vector<uint8_t> RasterizerStorageGLES3::buffer_get_data(GLenum p_target, GLuint p_buffer, uint32_t p_buffer_size) { + Vector<uint8_t> ret; + ret.resize(p_buffer_size); + glBindBuffer(p_target, p_buffer); + +#if defined(__EMSCRIPTEN__) + { + uint8_t *w = ret.ptrw(); + glGetBufferSubData(p_target, 0, p_buffer_size, w); + } +#else + void *data = glMapBufferRange(p_target, 0, p_buffer_size, GL_MAP_READ_BIT); + ERR_FAIL_NULL_V(data, Vector<uint8_t>()); + { + uint8_t *w = ret.ptrw(); + memcpy(w, data, p_buffer_size); + } + glUnmapBuffer(p_target); +#endif + glBindBuffer(p_target, 0); + return ret; +} + /* VOXEL GI API */ RID RasterizerStorageGLES3::voxel_gi_allocate() { |