VertexLoader: Convert count register to remaining register

This more accurately represents what's going on, and also ends at 0 instead of 1, making some indexing operations easier.  This also changes it so that position_matrix_index_cache actually starts from index 0 instead of index 1.
This commit is contained in:
Pokechu22
2022-04-14 12:01:57 -07:00
parent 97d0ff58c8
commit 39b2854b98
8 changed files with 44 additions and 42 deletions

View File

@ -32,10 +32,9 @@
namespace VertexLoaderManager
{
// Used by zfreeze
std::array<std::array<float, 4>, 3> position_cache;
// The counter added to the address of the array is 1, 2, or 3, but never zero.
// So only index 1 - 3 are used.
std::array<u32, 4> position_matrix_index_cache;
std::array<u32, 3> position_matrix_index_cache;
// 3 vertices, 4 floats each to allow SIMD overwrite
alignas(sizeof(std::array<float, 4>)) std::array<std::array<float, 4>, 3> position_cache;
static NativeVertexFormatMap s_native_vertex_map;
static NativeVertexFormat* s_current_vtx_fmt;
@ -251,8 +250,9 @@ static VertexLoaderBase* RefreshLoader(int vtx_attr_group, bool preprocess = fal
int RunVertices(int vtx_attr_group, OpcodeDecoder::Primitive primitive, int count, DataReader src,
bool is_preprocess)
{
if (!count)
if (count == 0)
return 0;
ASSERT(count > 0);
VertexLoaderBase* loader = RefreshLoader(vtx_attr_group, is_preprocess);