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Revert "Revert "Fix performance issues on certain legacy graphics hardware that isn't capable of copying an integer.""

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This reverts commit 8b7141d3de.

GLSL120 can't handle integer attributes :-(
This commit is contained in:
degasus 2013-04-24 03:03:52 +02:00
parent 1b76655312
commit 4a48485482
2 changed files with 6 additions and 2 deletions
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6
Source/Core/VideoCommon/Src/VertexShaderGen.cpp
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@ -199,7 +199,7 @@ const char *GenerateVertexShaderCode(u32 components, API_TYPE ApiType)
{
WRITE(p, "ATTRIN float4 rawpos; // ATTR%d,\n", SHADER_POSITION_ATTRIB);
if (components & VB_HAS_POSMTXIDX)
WRITE(p, "ATTRIN int posmtx; // ATTR%d,\n", SHADER_POSMTX_ATTRIB);
WRITE(p, "ATTRIN float fposmtx; // ATTR%d,\n", SHADER_POSMTX_ATTRIB);
if (components & VB_HAS_NRM0)
WRITE(p, "ATTRIN float3 rawnorm0; // ATTR%d,\n", SHADER_NORM0_ATTRIB);
if (components & VB_HAS_NRM1)
@ -296,6 +296,10 @@ const char *GenerateVertexShaderCode(u32 components, API_TYPE ApiType)
{
WRITE(p, "int posmtx = blend_indices.x * 255.0f;\n");
}
else
{
WRITE(p, "int posmtx = int(fposmtx);\n");
}
WRITE(p, "float4 pos = float4(dot(" I_TRANSFORMMATRICES"[posmtx], rawpos), dot(" I_TRANSFORMMATRICES"[posmtx+1], rawpos), dot(" I_TRANSFORMMATRICES"[posmtx+2], rawpos), 1);\n");

2
Source/Plugins/Plugin_VideoOGL/Src/NativeVertexFormat.cpp
View File

@ -87,7 +87,7 @@ void GLVertexFormat::Initialize(const PortableVertexDeclaration &_vtx_decl)
if (vtx_decl.posmtx_offset != -1) {
glEnableVertexAttribArray(SHADER_POSMTX_ATTRIB);
glVertexAttribIPointer(SHADER_POSMTX_ATTRIB, 4, GL_UNSIGNED_BYTE, vtx_decl.stride, (u8*)NULL + vtx_decl.posmtx_offset);
glVertexAttribPointer(SHADER_POSMTX_ATTRIB, 4, GL_UNSIGNED_BYTE, GL_FALSE, vtx_decl.stride, (u8*)NULL + vtx_decl.posmtx_offset);
}
vm->m_last_vao = VAO;