diff options
| author | Clément Foucault <foucault.clem@gmail.com> | 2019-06-27 15:36:40 +0300 |
|---|---|---|
| committer | Clément Foucault <foucault.clem@gmail.com> | 2019-06-27 15:41:35 +0300 |
| commit | 1f4e9754c02891076ffe5c29a2d7c030aace219c (patch) | |
| tree | 189c2482535f606cbae80de5985d2142948cc008 /source/blender/draw/intern/draw_manager_exec.c | |
| parent | 7f5a21177a058eab33a2ba1707ef3fc965a32cd7 (diff) | |
DRW: Add DRW_STATE_BLEND_CUSTOM
This one enable dual source blending, enabling more fine tuned
blending parameters inside the shader.
Diffstat (limited to 'source/blender/draw/intern/draw_manager_exec.c')
| -rw-r--r-- | source/blender/draw/intern/draw_manager_exec.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/source/blender/draw/intern/draw_manager_exec.c b/source/blender/draw/intern/draw_manager_exec.c index 2596570c022..949d3e1d38b 100644 --- a/source/blender/draw/intern/draw_manager_exec.c +++ b/source/blender/draw/intern/draw_manager_exec.c @@ -225,7 +225,7 @@ void drw_state_set(DRWState state) if (CHANGED_ANY_STORE_VAR(DRW_STATE_BLEND_ALPHA | DRW_STATE_BLEND_ALPHA_PREMUL | DRW_STATE_BLEND_ADD | DRW_STATE_BLEND_MUL | DRW_STATE_BLEND_ADD_FULL | DRW_STATE_BLEND_OIT | - DRW_STATE_BLEND_ALPHA_UNDER_PREMUL, + DRW_STATE_BLEND_ALPHA_UNDER_PREMUL | DRW_STATE_BLEND_CUSTOM, test)) { if (test) { glEnable(GL_BLEND); @@ -262,6 +262,11 @@ void drw_state_set(DRWState state) /* Let alpha accumulate. */ glBlendFunc(GL_ONE, GL_ONE); } + else if ((state & DRW_STATE_BLEND_CUSTOM) != 0) { + /* Custom blend parameters using dual source blending. + * Can only be used with one Draw Buffer. */ + glBlendFunc(GL_ONE, GL_SRC1_COLOR); + } else { BLI_assert(0); } |