diff options
Diffstat (limited to 'source/blender/draw/intern/draw_manager_exec.c')
-rw-r--r-- | source/blender/draw/intern/draw_manager_exec.c | 187 |
1 files changed, 95 insertions, 92 deletions
diff --git a/source/blender/draw/intern/draw_manager_exec.c b/source/blender/draw/intern/draw_manager_exec.c index 85525ea7b55..3d1b43537b7 100644 --- a/source/blender/draw/intern/draw_manager_exec.c +++ b/source/blender/draw/intern/draw_manager_exec.c @@ -114,19 +114,20 @@ void drw_state_set(DRWState state) /* Stencil Write */ if (test) { glStencilMask(0xFF); - if (test & DRW_STATE_WRITE_STENCIL) { - glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE); - } - else if (test & DRW_STATE_WRITE_STENCIL_SHADOW_PASS) { - glStencilOpSeparate(GL_BACK, GL_KEEP, GL_KEEP, GL_INCR_WRAP); - glStencilOpSeparate(GL_FRONT, GL_KEEP, GL_KEEP, GL_DECR_WRAP); - } - else if (test & DRW_STATE_WRITE_STENCIL_SHADOW_FAIL) { - glStencilOpSeparate(GL_BACK, GL_KEEP, GL_DECR_WRAP, GL_KEEP); - glStencilOpSeparate(GL_FRONT, GL_KEEP, GL_INCR_WRAP, GL_KEEP); - } - else { - BLI_assert(0); + switch (test) { + case DRW_STATE_WRITE_STENCIL: + glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE); + break; + case DRW_STATE_WRITE_STENCIL_SHADOW_PASS: + glStencilOpSeparate(GL_BACK, GL_KEEP, GL_KEEP, GL_INCR_WRAP); + glStencilOpSeparate(GL_FRONT, GL_KEEP, GL_KEEP, GL_DECR_WRAP); + break; + case DRW_STATE_WRITE_STENCIL_SHADOW_FAIL: + glStencilOpSeparate(GL_BACK, GL_KEEP, GL_DECR_WRAP, GL_KEEP); + glStencilOpSeparate(GL_FRONT, GL_KEEP, GL_INCR_WRAP, GL_KEEP); + break; + default: + BLI_assert(0); } } else { @@ -191,26 +192,27 @@ void drw_state_set(DRWState state) if (test) { glEnable(GL_DEPTH_TEST); - if (state & DRW_STATE_DEPTH_LESS) { - glDepthFunc(GL_LESS); - } - else if (state & DRW_STATE_DEPTH_LESS_EQUAL) { - glDepthFunc(GL_LEQUAL); - } - else if (state & DRW_STATE_DEPTH_EQUAL) { - glDepthFunc(GL_EQUAL); - } - else if (state & DRW_STATE_DEPTH_GREATER) { - glDepthFunc(GL_GREATER); - } - else if (state & DRW_STATE_DEPTH_GREATER_EQUAL) { - glDepthFunc(GL_GEQUAL); - } - else if (state & DRW_STATE_DEPTH_ALWAYS) { - glDepthFunc(GL_ALWAYS); - } - else { - BLI_assert(0); + switch (test) { + case DRW_STATE_DEPTH_LESS: + glDepthFunc(GL_LESS); + break; + case DRW_STATE_DEPTH_LESS_EQUAL: + glDepthFunc(GL_LEQUAL); + break; + case DRW_STATE_DEPTH_EQUAL: + glDepthFunc(GL_EQUAL); + break; + case DRW_STATE_DEPTH_GREATER: + glDepthFunc(GL_GREATER); + break; + case DRW_STATE_DEPTH_GREATER_EQUAL: + glDepthFunc(GL_GEQUAL); + break; + case DRW_STATE_DEPTH_ALWAYS: + glDepthFunc(GL_ALWAYS); + break; + default: + BLI_assert(0); } } else { @@ -244,62 +246,63 @@ void drw_state_set(DRWState state) if (test) { glEnable(GL_BLEND); - if ((state & DRW_STATE_BLEND_ALPHA) != 0) { - glBlendFuncSeparate(GL_SRC_ALPHA, - GL_ONE_MINUS_SRC_ALPHA, /* RGB */ - GL_ONE, - GL_ONE_MINUS_SRC_ALPHA); /* Alpha */ - } - else if ((state & DRW_STATE_BLEND_BACKGROUND) != 0) { - /* Special blend to add color under and multiply dst by alpha. */ - glBlendFuncSeparate(GL_ONE_MINUS_DST_ALPHA, - GL_SRC_ALPHA, /* RGB */ - GL_ZERO, - GL_SRC_ALPHA); /* Alpha */ - } - else if ((state & DRW_STATE_BLEND_ALPHA_PREMUL) != 0) { - glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); - } - else if ((state & DRW_STATE_BLEND_MUL) != 0) { - glBlendFunc(GL_DST_COLOR, GL_ZERO); - } - else if ((state & DRW_STATE_BLEND_OIT) != 0) { - glBlendFuncSeparate(GL_ONE, - GL_ONE, /* RGB */ - GL_ZERO, - GL_ONE_MINUS_SRC_ALPHA); /* Alpha */ - } - else if ((state & DRW_STATE_BLEND_ADD) != 0) { - /* Do not let alpha accumulate but premult the source RGB by it. */ - glBlendFuncSeparate(GL_SRC_ALPHA, - GL_ONE, /* RGB */ - GL_ZERO, - GL_ONE); /* Alpha */ - } - else if ((state & DRW_STATE_BLEND_ADD_FULL) != 0) { - /* Let alpha accumulate. */ - glBlendFunc(GL_ONE, GL_ONE); - } - else if ((state & DRW_STATE_BLEND_SUB) != 0) { - 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 if ((state & DRW_STATE_LOGIC_INVERT) != 0) { - /* Replace logic op by blend func to support floating point framebuffer. */ - glBlendFuncSeparate(GL_ONE_MINUS_DST_COLOR, - GL_ZERO, /* RGB */ - GL_ZERO, - GL_ONE); /* Alpha */ - } - else { - BLI_assert(0); + switch (test) { + case DRW_STATE_BLEND_ALPHA: + glBlendFuncSeparate(GL_SRC_ALPHA, + GL_ONE_MINUS_SRC_ALPHA, /* RGB */ + GL_ONE, + GL_ONE_MINUS_SRC_ALPHA); /* Alpha */ + break; + case DRW_STATE_BLEND_BACKGROUND: + /* Special blend to add color under and multiply dst by alpha. */ + glBlendFuncSeparate(GL_ONE_MINUS_DST_ALPHA, + GL_SRC_ALPHA, /* RGB */ + GL_ZERO, + GL_SRC_ALPHA); /* Alpha */ + break; + case DRW_STATE_BLEND_ALPHA_PREMUL: + glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); + break; + case DRW_STATE_BLEND_MUL: + glBlendFunc(GL_DST_COLOR, GL_ZERO); + break; + case DRW_STATE_BLEND_OIT: + glBlendFuncSeparate(GL_ONE, + GL_ONE, /* RGB */ + GL_ZERO, + GL_ONE_MINUS_SRC_ALPHA); /* Alpha */ + break; + case DRW_STATE_BLEND_ADD: + /* Do not let alpha accumulate but premult the source RGB by it. */ + glBlendFuncSeparate(GL_SRC_ALPHA, + GL_ONE, /* RGB */ + GL_ZERO, + GL_ONE); /* Alpha */ + break; + case DRW_STATE_BLEND_ADD_FULL: + /* Let alpha accumulate. */ + glBlendFunc(GL_ONE, GL_ONE); + break; + case DRW_STATE_BLEND_SUB: + glBlendFunc(GL_ONE, GL_ONE); + break; + case DRW_STATE_BLEND_CUSTOM: + /* Custom blend parameters using dual source blending. + * Can only be used with one Draw Buffer. */ + glBlendFunc(GL_ONE, GL_SRC1_COLOR); + break; + case DRW_STATE_LOGIC_INVERT: + /* Replace logic op by blend func to support floating point framebuffer. */ + glBlendFuncSeparate(GL_ONE_MINUS_DST_COLOR, + GL_ZERO, /* RGB */ + GL_ZERO, + GL_ONE); /* Alpha */ + break; + default: + BLI_assert(0); } - if ((state & DRW_STATE_BLEND_SUB) != 0) { + if (test == DRW_STATE_BLEND_SUB) { glBlendEquation(GL_FUNC_REVERSE_SUBTRACT); } else { @@ -402,17 +405,17 @@ static void drw_stencil_state_set(uint write_mask, uint reference, uint compare_ /* Reminders: * - (compare_mask & reference) is what is tested against (compare_mask & stencil_value) * stencil_value being the value stored in the stencil buffer. - * - (writemask & reference) is what gets written if the test condition is fullfiled. + * - (write-mask & reference) is what gets written if the test condition is fulfilled. **/ glStencilMask(write_mask); - - if ((DST.state & DRW_STATE_STENCIL_ALWAYS) != 0) { + DRWState stencil_test = DST.state & DRW_STATE_STENCIL_TEST_ENABLED; + if (stencil_test == DRW_STATE_STENCIL_ALWAYS) { glStencilFunc(GL_ALWAYS, reference, compare_mask); } - else if ((DST.state & DRW_STATE_STENCIL_EQUAL) != 0) { + else if (stencil_test == DRW_STATE_STENCIL_EQUAL) { glStencilFunc(GL_EQUAL, reference, compare_mask); } - else if ((DST.state & DRW_STATE_STENCIL_NEQUAL) != 0) { + else if (stencil_test == DRW_STATE_STENCIL_NEQUAL) { glStencilFunc(GL_NOTEQUAL, reference, compare_mask); } } |