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Added more info about transparency sort table.

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Бранимир Караџић 2021-12-26 09:21:02 -08:00
parent 946852cec8
commit 99a7af712f
1 changed files with 22 additions and 4 deletions
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26
src/bgfx_p.h
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@ -2397,12 +2397,30 @@ namespace bgfx
void setState(uint64_t _state, uint32_t _rgba)
{
uint8_t blend = ( (_state&BGFX_STATE_BLEND_MASK)>>BGFX_STATE_BLEND_SHIFT)&0xff;
uint8_t alphaRef = ( (_state&BGFX_STATE_ALPHA_REF_MASK)>>BGFX_STATE_ALPHA_REF_SHIFT)&0xff;
// transparency sort order table
const uint8_t blend = ( (_state&BGFX_STATE_BLEND_MASK )>>BGFX_STATE_BLEND_SHIFT )&0xff;
const uint8_t alphaRef = ( (_state&BGFX_STATE_ALPHA_REF_MASK)>>BGFX_STATE_ALPHA_REF_SHIFT)&0xff;
// Transparency sort order table:
//
// +----------------------------------------- BGFX_STATE_BLEND_ZERO
// | +-------------------------------------- BGFX_STATE_BLEND_ONE
// | | +----------------------------------- BGFX_STATE_BLEND_SRC_COLOR
// | | | +-------------------------------- BGFX_STATE_BLEND_INV_SRC_COLOR
// | | | | +----------------------------- BGFX_STATE_BLEND_SRC_ALPHA
// | | | | | +-------------------------- BGFX_STATE_BLEND_INV_SRC_ALPHA
// | | | | | | +----------------------- BGFX_STATE_BLEND_DST_ALPHA
// | | | | | | | +-------------------- BGFX_STATE_BLEND_INV_DST_ALPHA
// | | | | | | | | +----------------- BGFX_STATE_BLEND_DST_COLOR
// | | | | | | | | | +-------------- BGFX_STATE_BLEND_INV_DST_COLOR
// | | | | | | | | | | +----------- BGFX_STATE_BLEND_SRC_ALPHA_SAT
// | | | | | | | | | | | +-------- BGFX_STATE_BLEND_FACTOR
// | | | | | | | | | | | | +----- BGFX_STATE_BLEND_INV_FACTOR
// | | | | | | | | | | | | |
// x | | | | | | | | | | | | | x x x x x
m_key.m_blend = "\x0\x2\x2\x3\x3\x2\x3\x2\x3\x2\x2\x2\x2\x2\x2\x2\x2\x2\x2"[( (blend)&0xf) + (!!blend)] + !!alphaRef;
m_draw.m_stateFlags = _state;
m_draw.m_rgba = _rgba;
m_draw.m_rgba = _rgba;
}
void setCondition(OcclusionQueryHandle _handle, bool _visible)