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Software: Use same logic for colors as hardware backends

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Stenzek 2017-01-31 15:41:12 +10:00 committed by Pokechu22
parent 51724c1ccd
commit d6ce8eef36
1 changed files with 35 additions and 7 deletions
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42
Source/Core/VideoBackends/Software/SWVertexLoader.cpp
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@ -18,6 +18,7 @@
#include "VideoBackends/Software/Tev.h"
#include "VideoBackends/Software/TransformUnit.h"
#include "VideoCommon/CPMemory.h"
#include "VideoCommon/DataReader.h"
#include "VideoCommon/IndexGenerator.h"
#include "VideoCommon/OpcodeDecoding.h"
@ -69,9 +70,6 @@ void SWVertexLoader::DrawCurrentBatch(u32 base_index, u32 num_indices, u32 base_
const u16 index = m_cpu_index_buffer[i];
memset(static_cast<void*>(&m_vertex), 0, sizeof(m_vertex));
// Super Mario Sunshine requires those to be zero for those debug boxes.
m_vertex.color = {};
// parse the videocommon format to our own struct format (m_vertex)
SetFormat(g_main_cp_state.last_id, primitiveType);
ParseVertex(VertexLoaderManager::GetCurrentVertexFormat()->GetVertexDeclaration(), index);
@ -184,6 +182,39 @@ static void ReadVertexAttribute(T* dst, DataReader src, const AttributeFormat& f
}
}
static void ParseColorAttributes(InputVertexData* dst, DataReader& src,
const PortableVertexDeclaration& vdec)
{
const auto set_default_color = [](u8* color, int i) {
// The default alpha channel seems to depend on the number of components in the vertex format.
const auto& g0 = g_main_cp_state.vtx_attr[g_main_cp_state.last_id].g0;
const u32 color_elements = i == 0 ? g0.Color0Elements : g0.Color1Elements;
color[0] = color_elements == 0 ? 255 : 0;
color[1] = 255;
color[2] = 255;
color[3] = 255;
};
if (vdec.colors[0].enable)
{
// Use color0 for channel 0, and color1 for channel 1 if both colors 0 and 1 are present.
ReadVertexAttribute<u8>(dst->color[0].data(), src, vdec.colors[0], 0, 4, true);
if (vdec.colors[1].enable)
ReadVertexAttribute<u8>(dst->color[1].data(), src, vdec.colors[1], 0, 4, true);
else
set_default_color(dst->color[1].data(), 1);
}
else
{
// If only one of the color attributes is enabled, it is directed to color 0.
if (vdec.colors[1].enable)
ReadVertexAttribute<u8>(dst->color[0].data(), src, vdec.colors[1], 0, 4, true);
else
set_default_color(dst->color[0].data(), 0);
set_default_color(dst->color[1].data(), 1);
}
}
void SWVertexLoader::ParseVertex(const PortableVertexDeclaration& vdec, int index)
{
DataReader src(m_cpu_vertex_buffer.data(),
@ -197,10 +228,7 @@ void SWVertexLoader::ParseVertex(const PortableVertexDeclaration& vdec, int inde
ReadVertexAttribute<float>(&m_vertex.normal[i][0], src, vdec.normals[i], 0, 3, false);
}
for (std::size_t i = 0; i < m_vertex.color.size(); i++)
{
ReadVertexAttribute<u8>(m_vertex.color[i].data(), src, vdec.colors[i], 0, 4, true);
}
ParseColorAttributes(&m_vertex, src, vdec);
for (std::size_t i = 0; i < m_vertex.texCoords.size(); i++)
{