diff options
Diffstat (limited to 'src/gallium/auxiliary/draw/draw_pt_vcache.c')
-rw-r--r-- | src/gallium/auxiliary/draw/draw_pt_vcache.c | 127 |
1 files changed, 124 insertions, 3 deletions
diff --git a/src/gallium/auxiliary/draw/draw_pt_vcache.c b/src/gallium/auxiliary/draw/draw_pt_vcache.c index 96e02fbf3a..9ffc99abf9 100644 --- a/src/gallium/auxiliary/draw/draw_pt_vcache.c +++ b/src/gallium/auxiliary/draw/draw_pt_vcache.c @@ -36,8 +36,8 @@ #include "draw/draw_pt.h" -#define CACHE_MAX 32 -#define FETCH_MAX 128 +#define CACHE_MAX 1024 +#define FETCH_MAX 4096 #define DRAW_MAX (16*1024) struct vcache_frontend { @@ -201,7 +201,128 @@ static void vcache_ef_quad( struct vcache_frontend *vcache, #define FUNC vcache_run #include "draw_pt_vcache_tmp.h" +static void translate_uint_elts( const unsigned *src, + unsigned count, + int delta, + ushort *dest ) +{ + unsigned i; + + for (i = 0; i < count; i++) + dest[i] = (ushort)(src[i] + delta); +} + +static void translate_ushort_elts( const ushort *src, + unsigned count, + int delta, + ushort *dest ) +{ + unsigned i; + + for (i = 0; i < count; i++) + dest[i] = (ushort)(src[i] + delta); +} +static void translate_ubyte_elts( const ubyte *src, + unsigned count, + int delta, + ushort *dest ) +{ + unsigned i; + + for (i = 0; i < count; i++) + dest[i] = (ushort)(src[i] + delta); +} + +#if 0 +static enum pipe_format format_from_get_elt( pt_elt_func get_elt ) +{ + switch (draw->pt.user.eltSize) { + case 1: return PIPE_FORMAT_R8_UNORM; + case 2: return PIPE_FORMAT_R16_UNORM; + case 4: return PIPE_FORMAT_R32_UNORM; + default: return PIPE_FORMAT_NONE; + } +} +#endif + +static void vcache_check_run( struct draw_pt_front_end *frontend, + pt_elt_func get_elt, + const void *elts, + unsigned draw_count ) +{ + struct vcache_frontend *vcache = (struct vcache_frontend *)frontend; + struct draw_context *draw = vcache->draw; + unsigned min_index = draw->pt.user.min_index; + unsigned max_index = draw->pt.user.max_index; + unsigned index_size = draw->pt.user.eltSize; + unsigned fetch_count = max_index + 1 - min_index; + const ushort *transformed_elts; + ushort *storage = NULL; + + + if (0) debug_printf("fetch_count %d draw_count %d\n", fetch_count, draw_count); + + if (max_index == 0xffffffff || + fetch_count >= FETCH_MAX || + fetch_count > draw_count) { + if (0) debug_printf("fail\n"); + goto fail; + } + + + if (min_index == 0 && + index_size == 2) + { + transformed_elts = (const ushort *)elts; + } + else + { + storage = MALLOC( draw_count * sizeof(ushort) ); + if (!storage) + goto fail; + + switch(index_size) { + case 1: + translate_ubyte_elts( (const ubyte *)elts, + draw_count, + 0 - (int)min_index, + storage ); + break; + + case 2: + translate_ushort_elts( (const ushort *)elts, + draw_count, + 0 - (int)min_index, + storage ); + break; + + case 4: + translate_uint_elts( (const uint *)elts, + draw_count, + 0 - (int)min_index, + storage ); + break; + + default: + assert(0); + return; + } + transformed_elts = storage; + } + + vcache->middle->run_linear_elts( vcache->middle, + min_index, /* start */ + fetch_count, + transformed_elts, + draw_count ); + + FREE(storage); + return; + + fail: + vcache_run( frontend, get_elt, elts, draw_count ); +} @@ -219,7 +340,7 @@ static void vcache_prepare( struct draw_pt_front_end *frontend, } else { - vcache->base.run = vcache_run; + vcache->base.run = vcache_check_run; } vcache->input_prim = prim; |