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Diffstat (limited to 'docs/amber_script.md')
| -rw-r--r-- | docs/amber_script.md | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/docs/amber_script.md b/docs/amber_script.md index 6dd2443..57e0632 100644 --- a/docs/amber_script.md +++ b/docs/amber_script.md @@ -215,12 +215,9 @@ either image buffers or, what the target API would refer to as a buffer. Sized arrays and structures are not currently representable. ```groovy -# Filling the buffer with a given set of data. The values must be -# of |type| data. The data can be provided as the type or as a hex value. -# Buffers are STD430 by default. -BUFFER {name} DATA_TYPE {type} {STD140 | STD430} DATA -_value_+ -END +# Filling the buffer with a given initializer. Initializer data must be +# of |type|. Buffers are STD430 by default. +BUFFER {name} DATA_TYPE {type} {STD140 | STD430} {initializer} # Defines a buffer which is filled with data as specified by the `initializer`. BUFFER {name} DATA_TYPE {type} {STD140 | STD430} SIZE _size_in_items_ \ @@ -287,6 +284,14 @@ IMAGE {name} DATA_TYPE {type} {dimensionality} \ #### Buffer Initializers ```groovy +# Filling the buffer with a given set of data. The values must be +# of the correct type. The data can be provided as the type or as a hex +# value. +DATA +_value_+ +END + +```groovy # Fill the buffer with a single value. FILL _value_ @@ -488,7 +493,7 @@ The following commands are all specified within the `PIPELINE` command. # - a power-of-two integer that _must_ be greater or equal to minSubgroupSize # and be less than or equal to maxSubgroupSize # - MIN to set the required subgroup size to the minSubgroupSize - # - MAX to set the required subgroup size to the maxSubgroupSize + # - MAX to set the required subgroup size to the maxSubgroupSize SUBROUP {name_of_shader} FULLY_POPULATED {fully_populated_enable} VARYING_SIZE {varying_size_enable} @@ -587,9 +592,15 @@ when using dynamic buffers with BUFFER_ARRAY. ``` ```groovy - # Set |buffer_name| as the vertex data at location |val|. `RATE` defines the - # input rate for vertex attribute reading. - VERTEX_DATA {buffer_name} LOCATION _val_ [ RATE { vertex | instance } (default vertex) ] + # Set |buffer_name| as the vertex data at location |val|. RATE defines the + # input rate for vertex attribute reading. OFFSET sets the byte offset for the + # vertex data within the buffer |buffer_name|, which by default is 0. FORMAT + # sets the vertex buffer format, which by default is the format of the buffer + # |buffer_name|. STRIDE sets the byte stride, which by default is the stride + # of the format (set explicitly via FORMAT or from the format of the buffer + # |buffer_name|). + VERTEX_DATA {buffer_name} LOCATION _val_ [ RATE { vertex | instance } (default vertex) ] \ + [ FORMAT {format} ] [ OFFSET {offset} ] [ STRIDE {stride} ] # Set |buffer_name| as the index data to use for `INDEXED` draw commands. INDEX_DATA {buffer_name} |