mirror of
https://github.com/dolphin-emu/dolphin.git
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955e3abe9e
Profiler.{cpp,h} also happened to be the only dupliated
filenames left in Source, the absence of which should make
link-time optimization easier to get working.
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6935 8ced0084-cf51-0410-be5f-012b33b47a6e
304 lines
9.0 KiB
C++
304 lines
9.0 KiB
C++
// Copyright (C) 2003 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include "GLUtil.h"
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#include "x64Emitter.h"
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#include "ABI.h"
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#include "MemoryUtil.h"
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#include "VertexShaderGen.h"
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#include "CPMemory.h"
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#include "NativeVertexFormat.h"
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#include "VertexManager.h"
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#define COMPILED_CODE_SIZE 4096
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// TODO: this guy is never initialized
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u32 s_prevcomponents; // previous state set
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/*
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#ifdef _WIN32
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#ifdef _M_IX86
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#define USE_JIT
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#endif
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#endif
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*/
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// Note the use of CallCdeclFunction3I etc.
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// This is a horrible hack that is necessary because in 64-bit mode, Opengl32.dll is based way, way above the 32-bit
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// address space that is within reach of a CALL, and just doing &fn gives us these high uncallable addresses. So we
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// want to grab the function pointers from the import table instead.
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// This problem does not apply to glew functions, only core opengl32 functions.
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// Here's some global state. We only use this to keep track of what we've sent to the OpenGL state
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// machine.
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#ifdef USE_JIT
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DECLARE_IMPORT(glNormalPointer);
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DECLARE_IMPORT(glVertexPointer);
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DECLARE_IMPORT(glColorPointer);
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DECLARE_IMPORT(glTexCoordPointer);
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#endif
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class GLVertexFormat : public NativeVertexFormat
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{
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u8 *m_compiledCode;
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PortableVertexDeclaration vtx_decl;
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public:
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GLVertexFormat();
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~GLVertexFormat();
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virtual void Initialize(const PortableVertexDeclaration &_vtx_decl);
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virtual void SetupVertexPointers();
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virtual void EnableComponents(u32 components);
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};
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namespace OGL
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{
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NativeVertexFormat* VertexManager::CreateNativeVertexFormat()
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{
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return new GLVertexFormat();
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}
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}
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GLVertexFormat::GLVertexFormat()
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{
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#ifdef USE_JIT
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m_compiledCode = (u8 *)AllocateExecutableMemory(COMPILED_CODE_SIZE, false);
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if (m_compiledCode)
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memset(m_compiledCode, 0, COMPILED_CODE_SIZE);
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#endif
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}
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GLVertexFormat::~GLVertexFormat()
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{
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#ifdef USE_JIT
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FreeMemoryPages(m_compiledCode, COMPILED_CODE_SIZE);
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m_compiledCode = 0;
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#endif
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}
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inline GLuint VarToGL(VarType t)
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{
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static const GLuint lookup[5] = {
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GL_BYTE, GL_UNSIGNED_BYTE, GL_SHORT, GL_UNSIGNED_SHORT, GL_FLOAT
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};
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return lookup[t];
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}
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void GLVertexFormat::Initialize(const PortableVertexDeclaration &_vtx_decl)
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{
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vertex_stride = _vtx_decl.stride;
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using namespace Gen;
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// We will not allow vertex components causing uneven strides.
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if (_vtx_decl.stride & 3)
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PanicAlert("Uneven vertex stride: %i", _vtx_decl.stride);
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#ifdef USE_JIT
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Gen::XEmitter emit(m_compiledCode);
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// Alright, we have our vertex declaration. Compile some crazy code to set it quickly using GL.
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emit.ABI_EmitPrologue(6);
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emit.CallCdeclFunction4_I(glVertexPointer, 3, GL_FLOAT, _vtx_decl.stride, 0);
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if (_vtx_decl.num_normals >= 1)
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{
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emit.CallCdeclFunction3_I(glNormalPointer, VarToGL(_vtx_decl.normal_gl_type), _vtx_decl.stride, _vtx_decl.normal_offset[0]);
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if (_vtx_decl.num_normals == 3) {
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emit.CallCdeclFunction6((void *)glVertexAttribPointer, SHADER_NORM1_ATTRIB, _vtx_decl.normal_gl_size, VarToGL(_vtx_decl.normal_gl_type), GL_TRUE, _vtx_decl.stride, _vtx_decl.normal_offset[1]);
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emit.CallCdeclFunction6((void *)glVertexAttribPointer, SHADER_NORM2_ATTRIB, _vtx_decl.normal_gl_size, VarToGL(_vtx_decl.normal_gl_type), GL_TRUE, _vtx_decl.stride, _vtx_decl.normal_offset[2]);
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}
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}
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for (int i = 0; i < 2; i++)
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{
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if (_vtx_decl.color_offset[i] != -1)
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{
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if (i == 0)
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emit.CallCdeclFunction4_I(glColorPointer, 4, GL_UNSIGNED_BYTE, _vtx_decl.stride, _vtx_decl.color_offset[i]);
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else
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emit.CallCdeclFunction4((void *)glSecondaryColorPointer, 4, GL_UNSIGNED_BYTE, _vtx_decl.stride, _vtx_decl.color_offset[i]);
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}
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}
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for (int i = 0; i < 8; i++)
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{
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if (_vtx_decl.texcoord_offset[i] != -1)
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{
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int id = GL_TEXTURE0 + i;
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#ifdef _M_X64
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#ifdef _MSC_VER
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emit.MOV(32, R(RCX), Imm32(id));
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#else
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emit.MOV(32, R(RDI), Imm32(id));
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#endif
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#else
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emit.ABI_AlignStack(1 * 4);
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emit.PUSH(32, Imm32(id));
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#endif
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emit.CALL((void *)glClientActiveTexture);
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#ifndef _M_X64
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#ifdef _WIN32
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// don't inc stack on windows, stdcall
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#else
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emit.ABI_RestoreStack(1 * 4);
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#endif
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#endif
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emit.CallCdeclFunction4_I(
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glTexCoordPointer, _vtx_decl.texcoord_size[i], VarToGL(_vtx_decl.texcoord_gl_type[i]),
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_vtx_decl.stride, _vtx_decl.texcoord_offset[i]);
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}
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}
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if (_vtx_decl.posmtx_offset != -1)
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emit.CallCdeclFunction6((void *)glVertexAttribPointer, SHADER_POSMTX_ATTRIB, 4, GL_UNSIGNED_BYTE, GL_FALSE, _vtx_decl.stride, _vtx_decl.posmtx_offset);
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emit.ABI_EmitEpilogue(6);
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if (emit.GetCodePtr() - (u8*)m_compiledCode > COMPILED_CODE_SIZE)
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Crash();
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#endif
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this->vtx_decl = _vtx_decl;
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}
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void GLVertexFormat::SetupVertexPointers() {
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// Cast a pointer to compiled code to a pointer to a function taking no parameters, through a (void *) cast first to
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// get around type checking errors, and call it.
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#ifdef USE_JIT
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((void (*)())(void*)m_compiledCode)();
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#else
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glVertexPointer(3, GL_FLOAT, vtx_decl.stride, VertexManager::s_pBaseBufferPointer);
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if (vtx_decl.num_normals >= 1) {
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glNormalPointer(VarToGL(vtx_decl.normal_gl_type), vtx_decl.stride, (void *)(VertexManager::s_pBaseBufferPointer + vtx_decl.normal_offset[0]));
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if (vtx_decl.num_normals == 3) {
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glVertexAttribPointer(SHADER_NORM1_ATTRIB, vtx_decl.normal_gl_size, VarToGL(vtx_decl.normal_gl_type), GL_TRUE, vtx_decl.stride, (void *)(VertexManager::s_pBaseBufferPointer + vtx_decl.normal_offset[1]));
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glVertexAttribPointer(SHADER_NORM2_ATTRIB, vtx_decl.normal_gl_size, VarToGL(vtx_decl.normal_gl_type), GL_TRUE, vtx_decl.stride, (void *)(VertexManager::s_pBaseBufferPointer + vtx_decl.normal_offset[2]));
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}
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}
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for (int i = 0; i < 2; i++) {
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if (vtx_decl.color_offset[i] != -1) {
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if (i == 0)
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glColorPointer(4, GL_UNSIGNED_BYTE, vtx_decl.stride, (void *)(VertexManager::s_pBaseBufferPointer + vtx_decl.color_offset[i]));
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else {
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glSecondaryColorPointer(4, GL_UNSIGNED_BYTE, vtx_decl.stride, (void *)(VertexManager::s_pBaseBufferPointer + vtx_decl.color_offset[i]));
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}
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}
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}
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for (int i = 0; i < 8; i++) {
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if (vtx_decl.texcoord_offset[i] != -1) {
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int id = GL_TEXTURE0 + i;
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glClientActiveTexture(id);
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glTexCoordPointer(vtx_decl.texcoord_size[i], VarToGL(vtx_decl.texcoord_gl_type[i]),
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vtx_decl.stride, (void *)(VertexManager::s_pBaseBufferPointer + vtx_decl.texcoord_offset[i]));
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}
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}
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if (vtx_decl.posmtx_offset != -1) {
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glVertexAttribPointer(SHADER_POSMTX_ATTRIB, 4, GL_UNSIGNED_BYTE, GL_FALSE, vtx_decl.stride, (void *)(VertexManager::s_pBaseBufferPointer + vtx_decl.posmtx_offset));
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}
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#endif
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}
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void GLVertexFormat::EnableComponents(u32 components)
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{
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if (s_prevcomponents != components)
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{
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VertexManager::Flush();
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// matrices
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if ((components & VB_HAS_POSMTXIDX) != (s_prevcomponents & VB_HAS_POSMTXIDX))
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{
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if (components & VB_HAS_POSMTXIDX)
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glEnableVertexAttribArray(SHADER_POSMTX_ATTRIB);
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else
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glDisableVertexAttribArray(SHADER_POSMTX_ATTRIB);
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}
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// normals
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if ((components & VB_HAS_NRM0) != (s_prevcomponents & VB_HAS_NRM0))
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{
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if (components & VB_HAS_NRM0)
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glEnableClientState(GL_NORMAL_ARRAY);
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else
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glDisableClientState(GL_NORMAL_ARRAY);
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}
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if ((components & VB_HAS_NRM1) != (s_prevcomponents & VB_HAS_NRM1))
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{
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if (components & VB_HAS_NRM1) {
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glEnableVertexAttribArray(SHADER_NORM1_ATTRIB);
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glEnableVertexAttribArray(SHADER_NORM2_ATTRIB);
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}
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else {
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glDisableVertexAttribArray(SHADER_NORM1_ATTRIB);
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glDisableVertexAttribArray(SHADER_NORM2_ATTRIB);
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}
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}
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// color
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for (int i = 0; i < 2; ++i)
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{
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if ((components & (VB_HAS_COL0 << i)) != (s_prevcomponents & (VB_HAS_COL0 << i)))
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{
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if (components & (VB_HAS_COL0 << i))
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glEnableClientState(i ? GL_SECONDARY_COLOR_ARRAY : GL_COLOR_ARRAY);
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else
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glDisableClientState(i ? GL_SECONDARY_COLOR_ARRAY : GL_COLOR_ARRAY);
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}
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}
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// tex
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for (int i = 0; i < 8; ++i)
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{
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if (!g_ActiveConfig.bDisableTexturing)
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{
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if ((components & (VB_HAS_UV0 << i)) != (s_prevcomponents & (VB_HAS_UV0 << i)))
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{
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glClientActiveTexture(GL_TEXTURE0 + i);
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if (components & (VB_HAS_UV0 << i))
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glEnableClientState(GL_TEXTURE_COORD_ARRAY);
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else
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glDisableClientState(GL_TEXTURE_COORD_ARRAY);
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}
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}
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else
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{
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glClientActiveTexture(GL_TEXTURE0 + i);
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glDisableClientState(GL_TEXTURE_COORD_ARRAY);
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}
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}
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// Disable Lighting
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// TODO - Is this a good spot for this code?
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if (g_ActiveConfig.bDisableLighting)
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{
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for (int i = 0; i < xfregs.nNumChans; i++)
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{
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xfregs.colChans[i].alpha.enablelighting = false;
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xfregs.colChans[i].color.enablelighting = false;
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}
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}
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s_prevcomponents = components;
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}
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}
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