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102 lines
2 KiB
C++
102 lines
2 KiB
C++
#include "stdafx.h"
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#include "GLProgram.h"
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#include "GLGSRender.h"
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GLProgram::GLProgram() : id(0)
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{
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}
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int GLProgram::GetLocation(const wxString& name)
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{
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for(u32 i=0; i<m_locations.GetCount(); ++i)
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{
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if(!m_locations[i].name.Cmp(name))
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{
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return m_locations[i].loc;
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}
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}
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u32 pos = m_locations.Move(new Location());
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m_locations[pos].name = name;
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m_locations[pos].loc = glGetUniformLocation(id, name);
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checkForGlError(wxString::Format("glGetUniformLocation(0x%x, %s)", id, name.mb_str()));
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return m_locations[pos].loc;
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}
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bool GLProgram::IsCreated() const
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{
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return id > 0;
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}
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void GLProgram::Create(const u32 vp, const u32 fp)
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{
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if(IsCreated()) Delete();
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id = glCreateProgram();
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glAttachShader(id, vp);
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glAttachShader(id, fp);
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glLinkProgram(id);
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GLint linkStatus = GL_FALSE;
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glGetProgramiv(id, GL_LINK_STATUS, &linkStatus);
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if(linkStatus != GL_TRUE)
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{
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GLint bufLength = 0;
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glGetProgramiv(id, GL_INFO_LOG_LENGTH, &bufLength);
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if (bufLength)
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{
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char* buf = new char[bufLength+1];
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memset(buf, 0, bufLength+1);
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glGetProgramInfoLog(id, bufLength, NULL, buf);
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ConLog.Error("Could not link program: %s", buf);
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delete[] buf;
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}
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}
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//else ConLog.Write("program linked!");
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glGetProgramiv(id, GL_VALIDATE_STATUS, &linkStatus);
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if(linkStatus != GL_TRUE)
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{
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GLint bufLength = 0;
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glGetProgramiv(id, GL_INFO_LOG_LENGTH, &bufLength);
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if (bufLength)
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{
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char* buf = new char[bufLength];
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memset(buf, 0, bufLength);
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glGetProgramInfoLog(id, bufLength, NULL, buf);
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ConLog.Error("Could not link program: %s", buf);
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delete[] buf;
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}
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}
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}
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void GLProgram::UnUse()
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{
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id = 0;
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m_locations.Clear();
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}
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void GLProgram::Use()
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{
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glUseProgram(id);
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checkForGlError("glUseProgram");
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}
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void GLProgram::SetTex(u32 index)
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{
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int loc = GetLocation(wxString::Format("tex%u", index));
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glProgramUniform1i(id, loc, index);
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checkForGlError(wxString::Format("SetTex(%u - %d - %d)", id, index, loc));
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}
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void GLProgram::Delete()
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{
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if(!IsCreated()) return;
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glDeleteProgram(id);
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id = 0;
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m_locations.Clear();
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}
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