180 lines
11 KiB
Plaintext
180 lines
11 KiB
Plaintext
Field Name Bits Default Description
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ALPHA_BLEND_ENABLE 0 0x0 Allow alpha blending with the destination.
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POSSIBLE VALUES:
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00 - Disable
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01 - Enable
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SEPARATE_ALPHA_ENABLE 1 0x0 Enables use of RB3D_ABLENDCNTL
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POSSIBLE VALUES:
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00 - Disabled (Use RB3D_BLENDCNTL)
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01 - Enabled (Use RB3D_ABLENDCNTL)
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READ_ENABLE 2 0x1 When blending is enabled, this enables memory reads.
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Memory reads will still occur when this is disabled if
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they are for reasons not related to blending.
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POSSIBLE VALUES:
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00 - Disable reads
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01 - Enable reads
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DISCARD_SRC_PIXELS 5:3 0x0 Discard pixels when blending is enabled based on the src
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color.
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POSSIBLE VALUES:
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00 - Disable
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01 - Discard pixels if src alpha <= RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD
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02 - Discard pixels if src color <= RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD
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03 - Discard pixels if src argb <= RB3D_DISCARD_SRC_PIXEL_LTE_THRESHOLD
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04 - Discard pixels if src alpha >= RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD
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05 - Discard pixels if src color >= RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD
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06 - Discard pixels if src argb >= RB3D_DISCARD_SRC_PIXEL_GTE_THRESHOLD
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07 - (reserved)
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COMB_FCN 14:12 none Combine Function , Allows modification of how the
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SRCBLEND and DESTBLEND are combined.
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POSSIBLE VALUES:
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00 - Add and Clamp
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01 - Add but no Clamp
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02 - Subtract Dst from Src, and Clamp
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03 - Subtract Dst from Src, and don`t Clamp
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04 - Minimum of Src, Dst (the src and dst blend functions are forced to D3D_ONE)
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05 - Maximum of Src, Dst (the src and dst blend functions are forced to D3D_ONE)
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06 - Subtract Src from Dst, and Clamp
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07 - Subtract Src from Dst, and don`t Clamp
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SRCBLEND 21:16 none Source Blend Function , Alpha blending function (SRC).
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POSSIBLE VALUES:
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00 - RESERVED
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01 - D3D_ZERO
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02 - D3D_ONE
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03 - D3D_SRCCOLOR
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04 - D3D_INVSRCCOLOR
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05 - D3D_SRCALPHA
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06 - D3D_INVSRCALPHA
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07 - D3D_DESTALPHA
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08 - D3D_INVDESTALPHA
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09 - D3D_DESTCOLOR
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10 - D3D_INVDESTCOLOR
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11 - D3D_SRCALPHASAT
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12 - D3D_BOTHSRCALPHA
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13 - D3D_BOTHINVSRCALPHA
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14 - RESERVED
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15 - RESERVED
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16 - RESERVED
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17 - RESERVED
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18 - RESERVED
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19 - RESERVED
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20 - RESERVED
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21 - RESERVED
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22 - RESERVED
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23 - RESERVED
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24 - RESERVED
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25 - RESERVED
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26 - RESERVED
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27 - RESERVED
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28 - RESERVED
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29 - RESERVED
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30 - RESERVED
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31 - RESERVED
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32 - GL_ZERO
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33 - GL_ONE
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34 - GL_SRC_COLOR
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35 - GL_ONE_MINUS_SRC_COLOR
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36 - GL_DST_COLOR
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37 - GL_ONE_MINUS_DST_COLOR
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38 - GL_SRC_ALPHA
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39 - GL_ONE_MINUS_SRC_ALPHA
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40 - GL_DST_ALPHA
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41 - GL_ONE_MINUS_DST_ALPHA
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42 - GL_SRC_ALPHA_SATURATE
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43 - GL_CONSTANT_COLOR
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44 - GL_ONE_MINUS_CONSTANT_COLOR
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45 - GL_CONSTANT_ALPHA
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46 - GL_ONE_MINUS_CONSTANT_ALPHA
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47 - RESERVED
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48 - RESERVED
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49 - RESERVED
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50 - RESERVED
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51 - RESERVED
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52 - RESERVED
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53 - RESERVED
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54 - RESERVED
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55 - RESERVED
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56 - RESERVED
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57 - RESERVED
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58 - RESERVED
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59 - RESERVED
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60 - RESERVED
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61 - RESERVED
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62 - RESERVED
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63 - RESERVED
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DESTBLEND 29:24 none Destination Blend Function , Alpha blending function (DST).
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POSSIBLE VALUES:
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00 - RESERVED
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01 - D3D_ZERO
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02 - D3D_ONE
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03 - D3D_SRCCOLOR
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04 - D3D_INVSRCCOLOR
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05 - D3D_SRCALPHA
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06 - D3D_INVSRCALPHA
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07 - D3D_DESTALPHA
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08 - D3D_INVDESTALPHA
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09 - D3D_DESTCOLOR
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10 - D3D_INVDESTCOLOR
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11 - RESERVED
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12 - RESERVED
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13 - RESERVED
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14 - RESERVED
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15 - RESERVED
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16 - RESERVED
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17 - RESERVED
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18 - RESERVED
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19 - RESERVED
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20 - RESERVED
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21 - RESERVED
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22 - RESERVED
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23 - RESERVED
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24 - RESERVED
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25 - RESERVED
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26 - RESERVED
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27 - RESERVED
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28 - RESERVED
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29 - RESERVED
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30 - RESERVED
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31 - RESERVED
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32 - GL_ZERO
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33 - GL_ONE
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34 - GL_SRC_COLOR
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35 - GL_ONE_MINUS_SRC_COLOR
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36 - GL_DST_COLOR
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37 - GL_ONE_MINUS_DST_COLOR
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38 - GL_SRC_ALPHA
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39 - GL_ONE_MINUS_SRC_ALPHA
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40 - GL_DST_ALPHA
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41 - GL_ONE_MINUS_DST_ALPHA
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42 - RESERVED
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43 - GL_CONSTANT_COLOR
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44 - GL_ONE_MINUS_CONSTANT_COLOR
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45 - GL_CONSTANT_ALPHA
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46 - GL_ONE_MINUS_CONSTANT_ALPHA
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47 - RESERVED
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48 - RESERVED
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49 - RESERVED
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50 - RESERVED
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51 - RESERVED
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52 - RESERVED
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53 - RESERVED
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54 - RESERVED
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55 - RESERVED
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56 - RESERVED
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57 - RESERVED
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58 - RESERVED
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59 - RESERVED
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60 - RESERVED
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61 - RESERVED
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62 - RESERVED
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63 - RESERVED
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SRC_ALPHA_0_NO_READ 30 0x0 Enables source alpha zero performance optimization to
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skip reads.
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POSSIBLE VALUES:
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00 - Disable source alpha zero performance optimization to skip reads
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01 - Enable source alpha zero performance optimization to skip reads
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SRC_ALPHA_1_NO_READ 31 0x0 Enables source alpha one performance optimization to
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skip reads.
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POSSIBLE VALUES:
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00 - Disable source alpha one performance optimization to skip reads
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01 - Enable source alpha one performance optimization to skip reads
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