mirror of
https://github.com/RPCS3/rpcs3.git
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b2e906f4cc
- Wrap unused parameters as comments to prevent C1400 - Fix sized variable conversions with explicit casts
781 lines
22 KiB
C++
781 lines
22 KiB
C++
#include "stdafx.h"
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#include "BufferUtils.h"
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#include "../rsx_methods.h"
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#define DEBUG_VERTEX_STREAMING 0
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namespace
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{
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// FIXME: GSL as_span break build if template parameter is non const with current revision.
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// Replace with true as_span when fixed.
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template <typename T>
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gsl::span<T> as_span_workaround(gsl::span<gsl::byte> unformated_span)
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{
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return{ (T*)unformated_span.data(), ::narrow<int>(unformated_span.size_bytes() / sizeof(T)) };
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}
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}
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namespace
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{
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/**
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* Convert CMP vector to RGBA16.
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* A vector in CMP (compressed) format is stored as X11Y11Z10 and has a W component of 1.
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* X11 and Y11 channels are int between -1024 and 1023 interpreted as -1.f, 1.f
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* Z10 is int between -512 and 511 interpreted as -1.f, 1.f
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*/
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std::array<u16, 4> decode_cmp_vector(u32 encoded_vector)
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{
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u16 Z = encoded_vector >> 22;
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Z = Z << 6;
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u16 Y = (encoded_vector >> 11) & 0x7FF;
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Y = Y << 5;
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u16 X = encoded_vector & 0x7FF;
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X = X << 5;
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return{ X, Y, Z, 1 };
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}
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inline void stream_data_to_memory_swapped_u32(void *dst, const void *src, u32 vertex_count, u8 stride)
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{
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const __m128i mask = _mm_set_epi8(
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0xC, 0xD, 0xE, 0xF,
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0x8, 0x9, 0xA, 0xB,
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0x4, 0x5, 0x6, 0x7,
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0x0, 0x1, 0x2, 0x3);
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__m128i* dst_ptr = (__m128i*)dst;
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__m128i* src_ptr = (__m128i*)src;
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const u32 dword_count = (vertex_count * (stride >> 2));
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const u32 iterations = dword_count >> 2;
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const u32 remaining = dword_count % 4;
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for (u32 i = 0; i < iterations; ++i)
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{
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u32 *src_words = (u32*)src_ptr;
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u32 *dst_words = (u32*)dst_ptr;
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const __m128i &vector = _mm_loadu_si128(src_ptr);
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const __m128i &shuffled_vector = _mm_shuffle_epi8(vector, mask);
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_mm_stream_si128(dst_ptr, shuffled_vector);
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src_ptr++;
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dst_ptr++;
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}
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if (remaining)
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{
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u32 *src_ptr2 = (u32 *)src_ptr;
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u32 *dst_ptr2 = (u32 *)dst_ptr;
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for (u32 i = 0; i < remaining; ++i)
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dst_ptr2[i] = se_storage<u32>::swap(src_ptr2[i]);
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}
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}
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inline void stream_data_to_memory_swapped_u16(void *dst, const void *src, u32 vertex_count, u8 stride)
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{
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const __m128i mask = _mm_set_epi8(
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0xE, 0xF, 0xC, 0xD,
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0xA, 0xB, 0x8, 0x9,
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0x6, 0x7, 0x4, 0x5,
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0x2, 0x3, 0x0, 0x1);
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__m128i* dst_ptr = (__m128i*)dst;
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__m128i* src_ptr = (__m128i*)src;
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const u32 word_count = (vertex_count * (stride >> 1));
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const u32 iterations = word_count >> 3;
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const u32 remaining = word_count % 8;
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for (u32 i = 0; i < iterations; ++i)
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{
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u32 *src_words = (u32*)src_ptr;
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u32 *dst_words = (u32*)dst_ptr;
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const __m128i &vector = _mm_loadu_si128(src_ptr);
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const __m128i &shuffled_vector = _mm_shuffle_epi8(vector, mask);
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_mm_stream_si128(dst_ptr, shuffled_vector);
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src_ptr++;
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dst_ptr++;
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}
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if (remaining)
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{
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u16 *src_ptr2 = (u16 *)src_ptr;
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u16 *dst_ptr2 = (u16 *)dst_ptr;
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for (u32 i = 0; i < remaining; ++i)
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dst_ptr2[i] = se_storage<u16>::swap(src_ptr2[i]);
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}
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}
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inline void stream_data_to_memory_swapped_u32_non_continuous(void *dst, const void *src, u32 vertex_count, u8 dst_stride, u8 src_stride)
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{
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const __m128i mask = _mm_set_epi8(
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0xC, 0xD, 0xE, 0xF,
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0x8, 0x9, 0xA, 0xB,
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0x4, 0x5, 0x6, 0x7,
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0x0, 0x1, 0x2, 0x3);
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char *src_ptr = (char *)src;
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char *dst_ptr = (char *)dst;
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//Count vertices to copy
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const bool is_128_aligned = !((dst_stride | src_stride) & 15);
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u32 min_block_size = std::min(src_stride, dst_stride);
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if (min_block_size == 0) min_block_size = dst_stride;
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const u32 remainder = is_128_aligned? 0: (16 - min_block_size) / min_block_size;
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const u32 iterations = is_128_aligned? vertex_count: vertex_count - remainder;
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for (u32 i = 0; i < iterations; ++i)
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{
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const __m128i &vector = _mm_loadu_si128((__m128i*)src_ptr);
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const __m128i &shuffled_vector = _mm_shuffle_epi8(vector, mask);
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_mm_storeu_si128((__m128i*)dst_ptr, shuffled_vector);
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src_ptr += src_stride;
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dst_ptr += dst_stride;
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}
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if (remainder)
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{
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const u8 attribute_sz = min_block_size >> 2;
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for (u32 n = 0; n < remainder; ++n)
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{
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for (u32 v= 0; v < attribute_sz; ++v)
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((u32*)dst_ptr)[v] = ((be_t<u32>*)src_ptr)[v];
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src_ptr += src_stride;
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dst_ptr += dst_stride;
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}
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}
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}
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inline void stream_data_to_memory_swapped_u16_non_continuous(void *dst, const void *src, u32 vertex_count, u8 dst_stride, u8 src_stride)
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{
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const __m128i mask = _mm_set_epi8(
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0xE, 0xF, 0xC, 0xD,
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0xA, 0xB, 0x8, 0x9,
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0x6, 0x7, 0x4, 0x5,
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0x2, 0x3, 0x0, 0x1);
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char *src_ptr = (char *)src;
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char *dst_ptr = (char *)dst;
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const bool is_128_aligned = !((dst_stride | src_stride) & 15);
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u32 min_block_size = std::min(src_stride, dst_stride);
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if (min_block_size == 0) min_block_size = dst_stride;
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const u32 remainder = is_128_aligned ? 0 : (16 - min_block_size) / min_block_size;
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const u32 iterations = is_128_aligned ? vertex_count : vertex_count - remainder;
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for (u32 i = 0; i < iterations; ++i)
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{
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const __m128i &vector = _mm_loadu_si128((__m128i*)src_ptr);
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const __m128i &shuffled_vector = _mm_shuffle_epi8(vector, mask);
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_mm_storeu_si128((__m128i*)dst_ptr, shuffled_vector);
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src_ptr += src_stride;
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dst_ptr += dst_stride;
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}
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if (remainder)
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{
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const u8 attribute_sz = min_block_size >> 1;
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for (u32 n = 0; n < remainder; ++n)
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{
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for (u32 v = 0; v < attribute_sz; ++v)
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((u16*)dst_ptr)[v] = ((be_t<u16>*)src_ptr)[v];
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src_ptr += src_stride;
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dst_ptr += dst_stride;
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}
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}
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}
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inline void stream_data_to_memory_u8_non_continous(void *dst, const void *src, u32 vertex_count, u8 attribute_size, u8 dst_stride, u8 src_stride)
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{
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char *src_ptr = (char *)src;
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char *dst_ptr = (char *)dst;
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switch (attribute_size)
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{
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case 4:
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{
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//Read one dword every iteration
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for (u32 vertex = 0; vertex < vertex_count; ++vertex)
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{
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*(u32*)dst_ptr = *(u32*)src_ptr;
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dst_ptr += dst_stride;
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src_ptr += src_stride;
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}
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break;
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}
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case 3:
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{
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//Read one word and one byte
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for (u32 vertex = 0; vertex < vertex_count; ++vertex)
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{
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*(u16*)dst_ptr = *(u16*)src_ptr;
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dst_ptr[2] = src_ptr[2];
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dst_ptr += dst_stride;
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src_ptr += src_stride;
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}
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break;
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}
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case 2:
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{
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//Copy u16 blocks
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for (u32 vertex = 0; vertex < vertex_count; ++vertex)
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{
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*(u32*)dst_ptr = *(u32*)src_ptr;
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dst_ptr += dst_stride;
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src_ptr += src_stride;
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}
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break;
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}
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case 1:
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{
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for (u32 vertex = 0; vertex < vertex_count; ++vertex)
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{
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dst_ptr[0] = src_ptr[0];
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dst_ptr += dst_stride;
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src_ptr += src_stride;
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}
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break;
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}
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}
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}
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template <typename T, typename U, int N>
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void copy_whole_attribute_array_impl(void *raw_dst, void *raw_src, u8 dst_stride, u32 src_stride, u32 vertex_count)
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{
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char *src_ptr = (char *)raw_src;
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char *dst_ptr = (char *)raw_dst;
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for (u32 vertex = 0; vertex < vertex_count; ++vertex)
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{
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T* typed_dst = (T*)dst_ptr;
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U* typed_src = (U*)src_ptr;
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for (u32 i = 0; i < N; ++i)
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{
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typed_dst[i] = typed_src[i];
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}
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src_ptr += src_stride;
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dst_ptr += dst_stride;
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}
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}
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/*
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* Copies a number of src vertices, repeated over and over to fill the dst
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* e.g repeat 2 vertices over a range of 16 verts, so 8 reps
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*/
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template <typename T, typename U, int N>
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void copy_whole_attribute_array_repeating_impl(void *raw_dst, void *raw_src, const u8 dst_stride, const u32 src_stride, const u32 vertex_count, const u32 src_vertex_count)
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{
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char *src_ptr = (char *)raw_src;
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char *dst_ptr = (char *)raw_dst;
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u32 src_offset = 0;
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u32 src_limit = src_stride * src_vertex_count;
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for (u32 vertex = 0; vertex < vertex_count; ++vertex)
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{
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T* typed_dst = (T*)dst_ptr;
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U* typed_src = (U*)(src_ptr + src_offset);
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for (u32 i = 0; i < N; ++i)
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{
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typed_dst[i] = typed_src[i];
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}
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src_offset = (src_offset + src_stride) % src_limit;
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dst_ptr += dst_stride;
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}
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}
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template <typename U, typename T>
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void copy_whole_attribute_array(void *raw_dst, void *raw_src, const u8 attribute_size, const u8 dst_stride, const u32 src_stride, const u32 vertex_count, const u32 src_vertex_count)
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{
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//Eliminate the inner loop by templating the inner loop counter N
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if (src_vertex_count == vertex_count)
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{
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switch (attribute_size)
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{
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case 1:
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copy_whole_attribute_array_impl<U, T, 1>(raw_dst, raw_src, dst_stride, src_stride, vertex_count);
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break;
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case 2:
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copy_whole_attribute_array_impl<U, T, 2>(raw_dst, raw_src, dst_stride, src_stride, vertex_count);
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break;
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case 3:
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copy_whole_attribute_array_impl<U, T, 3>(raw_dst, raw_src, dst_stride, src_stride, vertex_count);
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break;
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case 4:
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copy_whole_attribute_array_impl<U, T, 4>(raw_dst, raw_src, dst_stride, src_stride, vertex_count);
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break;
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}
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}
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else
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{
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switch (attribute_size)
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{
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case 1:
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copy_whole_attribute_array_repeating_impl<U, T, 1>(raw_dst, raw_src, dst_stride, src_stride, vertex_count, src_vertex_count);
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break;
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case 2:
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copy_whole_attribute_array_repeating_impl<U, T, 2>(raw_dst, raw_src, dst_stride, src_stride, vertex_count, src_vertex_count);
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break;
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case 3:
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copy_whole_attribute_array_repeating_impl<U, T, 3>(raw_dst, raw_src, dst_stride, src_stride, vertex_count, src_vertex_count);
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break;
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case 4:
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copy_whole_attribute_array_repeating_impl<U, T, 4>(raw_dst, raw_src, dst_stride, src_stride, vertex_count, src_vertex_count);
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break;
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}
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}
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}
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}
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void write_vertex_array_data_to_buffer(gsl::span<gsl::byte> raw_dst_span, gsl::span<const gsl::byte> src_ptr, u32 count, rsx::vertex_base_type type, u32 vector_element_count, u32 attribute_src_stride, u8 dst_stride)
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{
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verify(HERE), (vector_element_count > 0);
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const u32 src_read_stride = rsx::get_vertex_type_size_on_host(type, vector_element_count);
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bool use_stream_no_stride = false;
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bool use_stream_with_stride = false;
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//If stride is not defined, we have a packed array
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if (attribute_src_stride == 0) attribute_src_stride = src_read_stride;
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//Sometimes, we get a vertex attribute to be repeated. Just copy the supplied vertices only
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//TODO: Stop these requests from getting here in the first place!
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//TODO: Check if it is possible to have a repeating array with more than one attribute instance
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const u32 real_count = (u32)src_ptr.size_bytes() / attribute_src_stride;
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if (real_count == 1) attribute_src_stride = 0; //Always fetch src[0]
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//TODO: Determine favourable vertex threshold where vector setup costs become negligible
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//Tests show that even with 4 vertices, using traditional bswap is significantly slower over a large number of calls
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const u64 src_address = (u64)src_ptr.data();
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const bool sse_aligned = ((src_address & 15) == 0);
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#if !DEBUG_VERTEX_STREAMING
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if (real_count >= count || real_count == 1)
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{
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if (attribute_src_stride == dst_stride && src_read_stride == dst_stride)
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use_stream_no_stride = true;
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else
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use_stream_with_stride = true;
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}
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#endif
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switch (type)
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{
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case rsx::vertex_base_type::ub:
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case rsx::vertex_base_type::ub256:
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{
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if (use_stream_no_stride)
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memcpy(raw_dst_span.data(), src_ptr.data(), count * dst_stride);
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else if (use_stream_with_stride)
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stream_data_to_memory_u8_non_continous(raw_dst_span.data(), src_ptr.data(), count, vector_element_count, dst_stride, attribute_src_stride);
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else
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copy_whole_attribute_array<u8, u8>((void *)raw_dst_span.data(), (void *)src_ptr.data(), vector_element_count, dst_stride, attribute_src_stride, count, real_count);
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return;
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}
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case rsx::vertex_base_type::s1:
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case rsx::vertex_base_type::sf:
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case rsx::vertex_base_type::s32k:
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{
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if (use_stream_no_stride && sse_aligned)
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stream_data_to_memory_swapped_u16(raw_dst_span.data(), src_ptr.data(), count, attribute_src_stride);
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else if (use_stream_with_stride)
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stream_data_to_memory_swapped_u16_non_continuous(raw_dst_span.data(), src_ptr.data(), count, dst_stride, attribute_src_stride);
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else
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copy_whole_attribute_array<be_t<u16>, u16>((void *)raw_dst_span.data(), (void *)src_ptr.data(), vector_element_count, dst_stride, attribute_src_stride, count, real_count);
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return;
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}
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case rsx::vertex_base_type::f:
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{
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if (use_stream_no_stride && sse_aligned)
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stream_data_to_memory_swapped_u32(raw_dst_span.data(), src_ptr.data(), count, attribute_src_stride);
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else if (use_stream_with_stride)
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stream_data_to_memory_swapped_u32_non_continuous(raw_dst_span.data(), src_ptr.data(), count, dst_stride, attribute_src_stride);
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else
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copy_whole_attribute_array<be_t<u32>, u32>((void *)raw_dst_span.data(), (void *)src_ptr.data(), vector_element_count, dst_stride, attribute_src_stride, count, real_count);
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return;
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}
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case rsx::vertex_base_type::cmp:
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{
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gsl::span<u16> dst_span = as_span_workaround<u16>(raw_dst_span);
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for (u32 i = 0; i < count; ++i)
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{
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be_t<u32> src_value;
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memcpy(&src_value,
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src_ptr.subspan(attribute_src_stride * i).data(),
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sizeof(be_t<u32>));
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const auto& decoded_vector = decode_cmp_vector(src_value);
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dst_span[i * dst_stride / sizeof(u16)] = decoded_vector[0];
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dst_span[i * dst_stride / sizeof(u16) + 1] = decoded_vector[1];
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dst_span[i * dst_stride / sizeof(u16) + 2] = decoded_vector[2];
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dst_span[i * dst_stride / sizeof(u16) + 3] = decoded_vector[3];
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}
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return;
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}
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}
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}
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namespace
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{
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template<typename T>
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std::tuple<T, T> upload_untouched(gsl::span<to_be_t<const T>> src, gsl::span<T> dst, bool is_primitive_restart_enabled, T primitive_restart_index)
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{
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T min_index = -1;
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T max_index = 0;
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verify(HERE), (dst.size_bytes() >= src.size_bytes());
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size_t dst_idx = 0;
|
|
for (T index : src)
|
|
{
|
|
if (is_primitive_restart_enabled && index == primitive_restart_index)
|
|
{
|
|
index = -1;
|
|
}
|
|
else
|
|
{
|
|
max_index = std::max(max_index, index);
|
|
min_index = std::min(min_index, index);
|
|
}
|
|
|
|
dst[dst_idx++] = index;
|
|
}
|
|
return std::make_tuple(min_index, max_index);
|
|
}
|
|
|
|
// FIXME: expanded primitive type may not support primitive restart correctly
|
|
template<typename T>
|
|
std::tuple<T, T> expand_indexed_triangle_fan(gsl::span<to_be_t<const T>> src, gsl::span<T> dst, bool is_primitive_restart_enabled, T primitive_restart_index)
|
|
{
|
|
T min_index = -1;
|
|
T max_index = 0;
|
|
|
|
verify(HERE), (dst.size() >= 3 * (src.size() - 2));
|
|
|
|
const T index0 = src[0];
|
|
if (!is_primitive_restart_enabled || index0 != -1) // Cut
|
|
{
|
|
min_index = std::min(min_index, index0);
|
|
max_index = std::max(max_index, index0);
|
|
}
|
|
|
|
size_t dst_idx = 0;
|
|
while (src.size() > 2)
|
|
{
|
|
gsl::span<to_be_t<const T>> tri_indexes = src.subspan(0, 2);
|
|
T index1 = tri_indexes[0];
|
|
if (is_primitive_restart_enabled && index1 == primitive_restart_index)
|
|
{
|
|
index1 = -1;
|
|
}
|
|
else
|
|
{
|
|
min_index = std::min(min_index, index1);
|
|
max_index = std::max(max_index, index1);
|
|
}
|
|
T index2 = tri_indexes[1];
|
|
if (is_primitive_restart_enabled && index2 == primitive_restart_index)
|
|
{
|
|
index2 = -1;
|
|
}
|
|
else
|
|
{
|
|
min_index = std::min(min_index, index2);
|
|
max_index = std::max(max_index, index2);
|
|
}
|
|
|
|
dst[dst_idx++] = index0;
|
|
dst[dst_idx++] = index1;
|
|
dst[dst_idx++] = index2;
|
|
|
|
src = src.subspan(2);
|
|
}
|
|
return std::make_tuple(min_index, max_index);
|
|
}
|
|
|
|
// FIXME: expanded primitive type may not support primitive restart correctly
|
|
template<typename T>
|
|
std::tuple<T, T> expand_indexed_quads(gsl::span<to_be_t<const T>> src, gsl::span<T> dst, bool is_primitive_restart_enabled, T primitive_restart_index)
|
|
{
|
|
T min_index = -1;
|
|
T max_index = 0;
|
|
|
|
verify(HERE), (4 * dst.size_bytes() >= 6 * src.size_bytes());
|
|
|
|
size_t dst_idx = 0;
|
|
while (!src.empty())
|
|
{
|
|
gsl::span<to_be_t<const T>> quad_indexes = src.subspan(0, 4);
|
|
T index0 = quad_indexes[0];
|
|
if (is_primitive_restart_enabled && index0 == primitive_restart_index)
|
|
{
|
|
index0 = -1;
|
|
}
|
|
else
|
|
{
|
|
min_index = std::min(min_index, index0);
|
|
max_index = std::max(max_index, index0);
|
|
}
|
|
T index1 = quad_indexes[1];
|
|
if (is_primitive_restart_enabled && index1 == primitive_restart_index)
|
|
{
|
|
index1 = -1;
|
|
}
|
|
else
|
|
{
|
|
min_index = std::min(min_index, index1);
|
|
max_index = std::max(max_index, index1);
|
|
}
|
|
T index2 = quad_indexes[2];
|
|
if (is_primitive_restart_enabled && index2 == primitive_restart_index)
|
|
{
|
|
index2 = -1;
|
|
}
|
|
else
|
|
{
|
|
min_index = std::min(min_index, index2);
|
|
max_index = std::max(max_index, index2);
|
|
}
|
|
T index3 = quad_indexes[3];
|
|
if (is_primitive_restart_enabled &&index3 == primitive_restart_index)
|
|
{
|
|
index3 = -1;
|
|
}
|
|
else
|
|
{
|
|
min_index = std::min(min_index, index3);
|
|
max_index = std::max(max_index, index3);
|
|
}
|
|
|
|
// First triangle
|
|
dst[dst_idx++] = index0;
|
|
dst[dst_idx++] = index1;
|
|
dst[dst_idx++] = index2;
|
|
// Second triangle
|
|
dst[dst_idx++] = index2;
|
|
dst[dst_idx++] = index3;
|
|
dst[dst_idx++] = index0;
|
|
|
|
src = src.subspan(4);
|
|
}
|
|
return std::make_tuple(min_index, max_index);
|
|
}
|
|
}
|
|
|
|
// Only handle quads and triangle fan now
|
|
bool is_primitive_native(rsx::primitive_type draw_mode)
|
|
{
|
|
switch (draw_mode)
|
|
{
|
|
case rsx::primitive_type::points:
|
|
case rsx::primitive_type::lines:
|
|
case rsx::primitive_type::line_strip:
|
|
case rsx::primitive_type::triangles:
|
|
case rsx::primitive_type::triangle_strip:
|
|
return true;
|
|
case rsx::primitive_type::line_loop:
|
|
case rsx::primitive_type::polygon:
|
|
case rsx::primitive_type::triangle_fan:
|
|
case rsx::primitive_type::quads:
|
|
case rsx::primitive_type::quad_strip:
|
|
return false;
|
|
}
|
|
fmt::throw_exception("Wrong primitive type" HERE);
|
|
}
|
|
|
|
/** We assume that polygon is convex in polygon mode (constraints in OpenGL)
|
|
*In such case polygon triangulation equates to triangle fan with arbitrary start vertex
|
|
* see http://www.gamedev.net/page/resources/_/technical/graphics-programming-and-theory/polygon-triangulation-r3334
|
|
*/
|
|
|
|
u32 get_index_count(rsx::primitive_type draw_mode, u32 initial_index_count)
|
|
{
|
|
// Index count
|
|
if (is_primitive_native(draw_mode))
|
|
return initial_index_count;
|
|
|
|
switch (draw_mode)
|
|
{
|
|
case rsx::primitive_type::line_loop:
|
|
return initial_index_count + 1;
|
|
case rsx::primitive_type::polygon:
|
|
case rsx::primitive_type::triangle_fan:
|
|
return (initial_index_count - 2) * 3;
|
|
case rsx::primitive_type::quads:
|
|
return (6 * initial_index_count) / 4;
|
|
case rsx::primitive_type::quad_strip:
|
|
return (6 * (initial_index_count - 2)) / 2;
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
u32 get_index_type_size(rsx::index_array_type type)
|
|
{
|
|
switch (type)
|
|
{
|
|
case rsx::index_array_type::u16: return sizeof(u16);
|
|
case rsx::index_array_type::u32: return sizeof(u32);
|
|
}
|
|
fmt::throw_exception("Wrong index type" HERE);
|
|
}
|
|
|
|
void write_index_array_for_non_indexed_non_native_primitive_to_buffer(char* dst, rsx::primitive_type draw_mode, unsigned first, unsigned count)
|
|
{
|
|
unsigned short *typedDst = (unsigned short *)(dst);
|
|
switch (draw_mode)
|
|
{
|
|
case rsx::primitive_type::line_loop:
|
|
for (unsigned i = 0; i < count; ++i)
|
|
typedDst[i] = i;
|
|
typedDst[count] = 0;
|
|
return;
|
|
case rsx::primitive_type::triangle_fan:
|
|
case rsx::primitive_type::polygon:
|
|
for (unsigned i = 0; i < (count - 2); i++)
|
|
{
|
|
typedDst[3 * i] = 0;
|
|
typedDst[3 * i + 1] = i + 2 - 1;
|
|
typedDst[3 * i + 2] = i + 2;
|
|
}
|
|
return;
|
|
case rsx::primitive_type::quads:
|
|
for (unsigned i = 0; i < count / 4; i++)
|
|
{
|
|
// First triangle
|
|
typedDst[6 * i] = 4 * i;
|
|
typedDst[6 * i + 1] = 4 * i + 1;
|
|
typedDst[6 * i + 2] = 4 * i + 2;
|
|
// Second triangle
|
|
typedDst[6 * i + 3] = 4 * i + 2;
|
|
typedDst[6 * i + 4] = 4 * i + 3;
|
|
typedDst[6 * i + 5] = 4 * i;
|
|
}
|
|
return;
|
|
case rsx::primitive_type::quad_strip:
|
|
for (unsigned i = 0; i < (count - 2) / 2; i++)
|
|
{
|
|
// First triangle
|
|
typedDst[6 * i] = 2 * i;
|
|
typedDst[6 * i + 1] = 2 * i + 1;
|
|
typedDst[6 * i + 2] = 2 * i + 2;
|
|
// Second triangle
|
|
typedDst[6 * i + 3] = 2 * i + 2;
|
|
typedDst[6 * i + 4] = 2 * i + 1;
|
|
typedDst[6 * i + 5] = 2 * i + 3;
|
|
}
|
|
return;
|
|
case rsx::primitive_type::points:
|
|
case rsx::primitive_type::lines:
|
|
case rsx::primitive_type::line_strip:
|
|
case rsx::primitive_type::triangles:
|
|
case rsx::primitive_type::triangle_strip:
|
|
fmt::throw_exception("Native primitive type doesn't require expansion" HERE);
|
|
}
|
|
}
|
|
|
|
|
|
namespace
|
|
{
|
|
/**
|
|
* Get first index and index count from a draw indexed clause.
|
|
*/
|
|
std::tuple<u32, u32> get_first_count_from_draw_indexed_clause(const std::vector<std::pair<u32, u32>>& first_count_arguments)
|
|
{
|
|
u32 first = std::get<0>(first_count_arguments.front());
|
|
u32 count = std::get<0>(first_count_arguments.back()) + std::get<1>(first_count_arguments.back()) - first;
|
|
return std::make_tuple(first, count);
|
|
}
|
|
|
|
|
|
// TODO: Unify indexed and non indexed primitive expansion ?
|
|
template<typename T>
|
|
std::tuple<T, T> write_index_array_data_to_buffer_impl(gsl::span<T> dst,
|
|
gsl::span<const be_t<T>> src,
|
|
rsx::primitive_type draw_mode, bool restart_index_enabled, u32 restart_index, const std::vector<std::pair<u32, u32> > &first_count_arguments,
|
|
std::function<bool(rsx::primitive_type)> expands)
|
|
{
|
|
u32 first;
|
|
u32 count;
|
|
std::tie(first, count) = get_first_count_from_draw_indexed_clause(first_count_arguments);
|
|
|
|
if (!expands(draw_mode)) return upload_untouched<T>(src, dst, restart_index_enabled, restart_index);
|
|
|
|
switch (draw_mode)
|
|
{
|
|
case rsx::primitive_type::line_loop:
|
|
{
|
|
const auto &returnvalue = upload_untouched<T>(src, dst, restart_index_enabled, restart_index);
|
|
dst[count] = src[0];
|
|
return returnvalue;
|
|
}
|
|
case rsx::primitive_type::polygon:
|
|
case rsx::primitive_type::triangle_fan:
|
|
return expand_indexed_triangle_fan<T>(src, dst, restart_index_enabled, restart_index);
|
|
case rsx::primitive_type::quads:
|
|
return expand_indexed_quads<T>(src, dst, restart_index_enabled, restart_index);
|
|
}
|
|
fmt::throw_exception("Unknown draw mode (0x%x)" HERE, (u32)draw_mode);
|
|
}
|
|
}
|
|
|
|
std::tuple<u32, u32> write_index_array_data_to_buffer(gsl::span<gsl::byte> dst,
|
|
gsl::span<const gsl::byte> src,
|
|
rsx::index_array_type type, rsx::primitive_type draw_mode, bool restart_index_enabled, u32 restart_index, const std::vector<std::pair<u32, u32> > &first_count_arguments,
|
|
std::function<bool(rsx::primitive_type)> expands)
|
|
{
|
|
switch (type)
|
|
{
|
|
case rsx::index_array_type::u16:
|
|
return write_index_array_data_to_buffer_impl<u16>(as_span_workaround<u16>(dst),
|
|
gsl::as_span<const be_t<u16>>(src), draw_mode, restart_index_enabled, restart_index, first_count_arguments, expands);
|
|
case rsx::index_array_type::u32:
|
|
return write_index_array_data_to_buffer_impl<u32>(as_span_workaround<u32>(dst),
|
|
gsl::as_span<const be_t<u32>>(src), draw_mode, restart_index_enabled, restart_index, first_count_arguments, expands);
|
|
}
|
|
fmt::throw_exception("Unknown index type" HERE);
|
|
}
|
|
|
|
void stream_vector(void *dst, u32 x, u32 y, u32 z, u32 w)
|
|
{
|
|
__m128i vector = _mm_set_epi32(w, z, y, x);
|
|
_mm_stream_si128((__m128i*)dst, vector);
|
|
}
|
|
|
|
void stream_vector(void *dst, f32 x, f32 y, f32 z, f32 w)
|
|
{
|
|
stream_vector(dst, (u32&)x, (u32&)y, (u32&)z, (u32&)w);
|
|
}
|
|
void stream_vector_from_memory(void *dst, void *src)
|
|
{
|
|
const __m128i &vector = _mm_loadu_si128((__m128i*)src);
|
|
_mm_stream_si128((__m128i*)dst, vector);
|
|
}
|