diff options
Diffstat (limited to 'drivers/gles3/rasterizer_canvas_gles3.cpp')
| -rw-r--r-- | drivers/gles3/rasterizer_canvas_gles3.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/gles3/rasterizer_canvas_gles3.cpp b/drivers/gles3/rasterizer_canvas_gles3.cpp index b221a41893..ff423bf0d0 100644 --- a/drivers/gles3/rasterizer_canvas_gles3.cpp +++ b/drivers/gles3/rasterizer_canvas_gles3.cpp @@ -1210,6 +1210,9 @@ void RasterizerCanvasGLES3::canvas_render_items(Item *p_item_list, int p_z, cons if (shader_ptr->canvas_item.uses_screen_texture && !state.canvas_texscreen_used) { //copy if not copied before _copy_texscreen(Rect2()); + + // blend mode will have been enabled so make sure we disable it again later on + last_blend_mode = last_blend_mode != RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_DISABLED ? last_blend_mode : -1; } if (shader_ptr != shader_cache) { @@ -1281,14 +1284,30 @@ void RasterizerCanvasGLES3::canvas_render_items(Item *p_item_list, int p_z, cons } int blend_mode = shader_cache ? shader_cache->canvas_item.blend_mode : RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_MIX; + if (blend_mode == RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_DISABLED && (!storage->frame.current_rt || !storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT])) { + blend_mode = RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_MIX; + } bool unshaded = shader_cache && (shader_cache->canvas_item.light_mode == RasterizerStorageGLES3::Shader::CanvasItem::LIGHT_MODE_UNSHADED || blend_mode != RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_MIX); bool reclip = false; if (last_blend_mode != blend_mode) { + if (last_blend_mode == RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_DISABLED) { + // re-enable it + glEnable(GL_BLEND); + } else if (blend_mode == RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_DISABLED) { + // disable it + glDisable(GL_BLEND); + } switch (blend_mode) { + case RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_DISABLED: { + + // nothing to do here + + } break; case RasterizerStorageGLES3::Shader::CanvasItem::BLEND_MODE_MIX: { + glBlendEquation(GL_FUNC_ADD); if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); |