diff options
| -rw-r--r-- | drivers/gles2/rasterizer_canvas_gles2.cpp | 14 | ||||
| -rw-r--r-- | drivers/gles2/rasterizer_storage_gles2.cpp | 7 | ||||
| -rw-r--r-- | drivers/gles2/rasterizer_storage_gles2.h | 2 |
3 files changed, 20 insertions, 3 deletions
diff --git a/drivers/gles2/rasterizer_canvas_gles2.cpp b/drivers/gles2/rasterizer_canvas_gles2.cpp index e6ec6fb4fd..047eaaf0ac 100644 --- a/drivers/gles2/rasterizer_canvas_gles2.cpp +++ b/drivers/gles2/rasterizer_canvas_gles2.cpp @@ -317,9 +317,17 @@ void RasterizerCanvasGLES2::_draw_polygon(const int *p_indices, int p_index_coun } glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, data.polygon_index_buffer); - glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, sizeof(int) * p_index_count, p_indices); - - glDrawElements(GL_TRIANGLES, p_index_count, GL_UNSIGNED_INT, 0); + if (storage->config.support_32_bits_indices) { //should check for + glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, sizeof(int) * p_index_count, p_indices); + glDrawElements(GL_TRIANGLES, p_index_count, GL_UNSIGNED_INT, 0); + } else { + uint16_t *index16 = (uint16_t *)alloca(sizeof(uint16_t) * p_index_count); + for (int i = 0; i < p_index_count; i++) { + index16[i] = uint16_t(p_indices[i]); + } + glBufferSubData(GL_ELEMENT_ARRAY_BUFFER, 0, sizeof(uint16_t) * p_index_count, index16); + glDrawElements(GL_TRIANGLES, p_index_count, GL_UNSIGNED_SHORT, 0); + } glBindBuffer(GL_ARRAY_BUFFER, 0); glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, 0); diff --git a/drivers/gles2/rasterizer_storage_gles2.cpp b/drivers/gles2/rasterizer_storage_gles2.cpp index af698f3988..0622a353df 100644 --- a/drivers/gles2/rasterizer_storage_gles2.cpp +++ b/drivers/gles2/rasterizer_storage_gles2.cpp @@ -4658,6 +4658,13 @@ void RasterizerStorageGLES2::initialize() { #else config.use_rgba_2d_shadows = !(config.float_texture_supported && config.extensions.has("GL_EXT_texture_rg")); #endif + +#ifdef GLES_OVER_GL + config.support_32_bits_indices = true; +#else + config.support_32_bits_indices = config.extensions.has("GL_OES_element_index_uint"); +#endif + frame.count = 0; frame.delta = 0; frame.current_rt = NULL; diff --git a/drivers/gles2/rasterizer_storage_gles2.h b/drivers/gles2/rasterizer_storage_gles2.h index 6f3ea25cc9..ae14aaa9c0 100644 --- a/drivers/gles2/rasterizer_storage_gles2.h +++ b/drivers/gles2/rasterizer_storage_gles2.h @@ -78,6 +78,8 @@ public: bool force_vertex_shading; bool use_rgba_2d_shadows; + + bool support_32_bits_indices; } config; struct Resources { |