diff options
author | Daeil Kim <kiidmale@gmail.com> | 2019-01-06 00:56:54 +0900 |
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committer | Daeil Kim <kiidmale@gmail.com> | 2019-01-06 00:57:52 +0900 |
commit | ecf520b70ef77c51a7d585eaa31aed52f448585f (patch) | |
tree | 238c60bc6590570f7d0e90e112a36a44c089af84 | |
parent | 021421e1808d68e7fb6d87ed027d3dc454b3291e (diff) |
Change blend equation for canvasitems
-rw-r--r-- | drivers/gles2/rasterizer_canvas_gles2.cpp | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/drivers/gles2/rasterizer_canvas_gles2.cpp b/drivers/gles2/rasterizer_canvas_gles2.cpp index e3d4884a5a..d54d6e9eee 100644 --- a/drivers/gles2/rasterizer_canvas_gles2.cpp +++ b/drivers/gles2/rasterizer_canvas_gles2.cpp @@ -1299,28 +1299,44 @@ void RasterizerCanvasGLES2::canvas_render_items(Item *p_item_list, int p_z, cons 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); } else { - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA, GL_ZERO, GL_ONE); } } break; case RasterizerStorageGLES2::Shader::CanvasItem::BLEND_MODE_ADD: { glBlendEquation(GL_FUNC_ADD); - glBlendFunc(GL_SRC_ALPHA, GL_ONE); + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_SRC_ALPHA, GL_ONE); + } else { + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_ZERO, GL_ONE); + } } break; case RasterizerStorageGLES2::Shader::CanvasItem::BLEND_MODE_SUB: { glBlendEquation(GL_FUNC_REVERSE_SUBTRACT); - glBlendFunc(GL_SRC_ALPHA, GL_ONE); + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_SRC_ALPHA, GL_ONE); + } else { + glBlendFuncSeparate(GL_SRC_ALPHA, GL_ONE, GL_ZERO, GL_ONE); + } } break; case RasterizerStorageGLES2::Shader::CanvasItem::BLEND_MODE_MUL: { glBlendEquation(GL_FUNC_ADD); - glBlendFunc(GL_DST_COLOR, GL_ZERO); + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + glBlendFuncSeparate(GL_DST_COLOR, GL_ZERO, GL_DST_ALPHA, GL_ZERO); + } else { + glBlendFuncSeparate(GL_DST_COLOR, GL_ZERO, GL_ZERO, GL_ONE); + } } break; case RasterizerStorageGLES2::Shader::CanvasItem::BLEND_MODE_PMALPHA: { glBlendEquation(GL_FUNC_ADD); - glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); + if (storage->frame.current_rt && storage->frame.current_rt->flags[RasterizerStorage::RENDER_TARGET_TRANSPARENT]) { + glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ONE, GL_ONE_MINUS_SRC_ALPHA); + } else { + glBlendFuncSeparate(GL_ONE, GL_ONE_MINUS_SRC_ALPHA, GL_ZERO, GL_ONE); + } } break; } } |