diff options
Diffstat (limited to 'drivers/gles3/rasterizer_scene_gles3.cpp')
| -rw-r--r-- | drivers/gles3/rasterizer_scene_gles3.cpp | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp index 0d4c83e0db..792e9eb238 100644 --- a/drivers/gles3/rasterizer_scene_gles3.cpp +++ b/drivers/gles3/rasterizer_scene_gles3.cpp @@ -1428,7 +1428,16 @@ void RasterizerSceneGLES3::_setup_geometry(RenderList::Element *e, const Transfo if (particles->draw_order == VS::PARTICLES_DRAW_ORDER_VIEW_DEPTH && particles->particle_valid_histories[1]) { glBindBuffer(GL_ARRAY_BUFFER, particles->particle_buffer_histories[1]); //modify the buffer, this was used 2 frames ago so it should be good enough for flushing - RasterizerGLES3Particle *particle_array = (RasterizerGLES3Particle *)glMapBufferRange(GL_ARRAY_BUFFER, 0, particles->amount * 24 * sizeof(float), GL_MAP_READ_BIT | GL_MAP_WRITE_BIT); + RasterizerGLES3Particle *particle_array; +#ifndef __EMSCRIPTEN__ + particle_array = static_cast<RasterizerGLES3Particle *>(glMapBufferRange(GL_ARRAY_BUFFER, 0, particles->amount * 24 * sizeof(float), GL_MAP_READ_BIT | GL_MAP_WRITE_BIT)); +#else + PoolVector<RasterizerGLES3Particle> particle_vector; + particle_vector.resize(particles->amount); + PoolVector<RasterizerGLES3Particle>::Write w = particle_vector.write(); + particle_array = w.ptr(); + glGetBufferSubData(GL_ARRAY_BUFFER, 0, particles->amount * sizeof(RasterizerGLES3Particle), particle_array); +#endif SortArray<RasterizerGLES3Particle, RasterizerGLES3ParticleSort> sorter; @@ -1440,7 +1449,17 @@ void RasterizerSceneGLES3::_setup_geometry(RenderList::Element *e, const Transfo sorter.sort(particle_array, particles->amount); +#ifndef __EMSCRIPTEN__ glUnmapBuffer(GL_ARRAY_BUFFER); +#else + w = PoolVector<RasterizerGLES3Particle>::Write(); + particle_array = NULL; + { + PoolVector<RasterizerGLES3Particle>::Read r = particle_vector.read(); + glBufferSubData(GL_ARRAY_BUFFER, 0, particles->amount * sizeof(RasterizerGLES3Particle), r.ptr()); + } + particle_vector = PoolVector<RasterizerGLES3Particle>(); +#endif #ifdef DEBUG_ENABLED if (state.debug_draw == VS::VIEWPORT_DEBUG_DRAW_WIREFRAME && s->instancing_array_wireframe_id) { glBindVertexArray(s->instancing_array_wireframe_id); // use the wireframe instancing array ID |