diff options
Diffstat (limited to 'drivers/gles2/rasterizer_canvas_gles2.cpp')
| -rw-r--r-- | drivers/gles2/rasterizer_canvas_gles2.cpp | 14 |
1 files changed, 11 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); |