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author | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2018-10-02 16:35:09 +0000 |
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committer | giraffedata <giraffedata@9d0c8265-081b-0410-96cb-a4ca84ce46f8> | 2018-10-02 16:35:09 +0000 |
commit | 5e7cd5c140b03f3aa829f3112287f5693e5ca569 (patch) | |
tree | 9185b1fb623cda6dbde0881829c65794f53ab35e /generator/pamtris/utils.h | |
parent | 55cddd63436757a270b161206c3a77bdf674cfb2 (diff) | |
download | netpbm-mirror-5e7cd5c140b03f3aa829f3112287f5693e5ca569.tar.gz netpbm-mirror-5e7cd5c140b03f3aa829f3112287f5693e5ca569.tar.xz netpbm-mirror-5e7cd5c140b03f3aa829f3112287f5693e5ca569.zip |
Fix perspective correctness, add -rgb, -grayscale, w parameter for vertex
git-svn-id: http://svn.code.sf.net/p/netpbm/code/trunk@3376 9d0c8265-081b-0410-96cb-a4ca84ce46f8
Diffstat (limited to 'generator/pamtris/utils.h')
-rw-r--r-- | generator/pamtris/utils.h | 59 |
1 files changed, 38 insertions, 21 deletions
diff --git a/generator/pamtris/utils.h b/generator/pamtris/utils.h index 3b7cfbe4..bd9dcdbe 100644 --- a/generator/pamtris/utils.h +++ b/generator/pamtris/utils.h @@ -1,37 +1,54 @@ #ifndef UTIL_H_INCLUDED #define UTIL_H_INCLUDED -#include "fract.h" +#include "varying.h" void -gen_steps(const int32_t * const begin, - const int32_t * const end, - fract * const out, - uint8_t const elements, - int32_t const divisor); +prepare_for_interpolation(const varying * const begin, + const varying * const end, + varying * const out, + int32_t num_steps, + uint8_t const elements); + +varying +compute_varying_z(int32_t const input_z); void -step_up(fract * const vars, - const fract * const steps, - uint8_t const elements, - int32_t const divisor); +multiply_varying_array_by_varying(varying * const vars, + varying const divisor, + uint8_t const elements); void -multi_step_up(fract * const vars, - const fract * const steps, - uint8_t const elements, - int32_t const times, - int32_t const divisor); +divide_varying_array_by_varying(varying * const vars, + varying const divisor, + uint8_t const elements); + +varying +inverse_varying(varying const var); + +varying +multiply_varyings(varying const a, + varying const b); void -fract_to_int32_array(const fract * const in, - int32_t * const out, - uint8_t const elements); +step_up(varying * const vars, + uint8_t const elements); void -int32_to_fract_array(const int32_t * const in, - fract * const out, - uint8_t const elements); +multi_step_up(varying * const vars, + int32_t const times, + uint8_t const elements); + +void +int32_to_varying_array(const int32_t * const in, + varying * const out, + uint8_t const elements); + +int32_t +round_varying(varying const var); + +int64_t +geq_mask64(int64_t a, int64_t b); void sort3(uint8_t * const index_array, |