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| author | Rémi Verschelde <rverschelde@gmail.com> | 2019-01-05 20:40:51 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-01-05 20:40:51 +0100 |
| commit | 42a5b7545ad7a083bfcf5a2667e5f0b507f0014f (patch) | |
| tree | 1c065b35bfa4a354e1ff6f18fe481d8c10983b01 /drivers/gles2/rasterizer_canvas_gles2.cpp | |
| parent | c1f6852a6a3b2ca0186376433e12cb181a6f2c15 (diff) | |
| parent | ecf520b70ef77c51a7d585eaa31aed52f448585f (diff) | |
Merge pull request #24791 from humblers/blend-gles2
Change blend equations for GLES2 canvasitems
Diffstat (limited to 'drivers/gles2/rasterizer_canvas_gles2.cpp')
| -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; } } |