Ejemplo n.º 1
0
static void CreateShaders()
{
	static const char *fragShaderText =
		"#ifdef GL_ES\n"
		"precision highp float;\n"
		"#endif\n"
		"varying vec2 TexCoordOut;\n"
		"uniform sampler2D Texture;\n"
		"void main() {\n"
		"	gl_FragColor = texture2D(Texture, TexCoordOut);\n"
		"}\n";
	static const char *vertShaderText =
		"#ifdef GL_ES\n"
		"precision highp float;\n"
		"#endif\n"
		"attribute vec4 pos;\n"
		"attribute vec2 TexCoordIn;\n "
		"varying vec2 TexCoordOut;\n "
		"void main() {\n"
		"	gl_Position = pos;\n"
		"	TexCoordOut = TexCoordIn;\n"
		"}\n";

	program = OpenGL_CompileProgram(vertShaderText, fragShaderText);

	glUseProgram(program);

	uni_tex = glGetUniformLocation(program, "Texture");
	attr_pos = glGetAttribLocation(program, "pos");
	attr_tex = glGetAttribLocation(program, "TexCoordIn");
}
Ejemplo n.º 2
0
SoftGPU::SoftGPU()
{
	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
	glPixelStorei(GL_UNPACK_ALIGNMENT, 4);  // 4-byte pixel alignment
	glGenTextures(1, &temp_texture);

	// TODO: Use highp for GLES
	static const char *fragShaderText =
#ifdef USING_GLES2
		"#version 100\n"
#endif
		"varying vec2 TexCoordOut;\n"
		"uniform sampler2D Texture;\n"
		"void main() {\n"
		"   vec4 tmpcolor;\n"
		"   tmpcolor = texture2D(Texture, TexCoordOut);\n"
		"   gl_FragColor = tmpcolor;\n"
		"}\n";
	static const char *vertShaderText =
#ifdef USING_GLES2
		"#version 100\n"
#endif
		"attribute vec4 pos;\n"
		"attribute vec2 TexCoordIn;\n "
		"varying vec2 TexCoordOut;\n "
		"void main() {\n"
		"   gl_Position = pos;\n"
		"   TexCoordOut = TexCoordIn;\n"
		"}\n";

	program = OpenGL_CompileProgram(vertShaderText, fragShaderText);

	glUseProgram(program);

	uni_tex = glGetUniformLocation(program, "Texture");
	attr_pos = glGetAttribLocation(program, "pos");
	attr_tex = glGetAttribLocation(program, "TexCoordIn");

	if (gl_extensions.ARB_vertex_array_object) {
		glGenVertexArrays(1, &vao);
		glGenBuffers(1, &vbuf);
	}

	fb.data = Memory::GetPointer(0x44000000); // TODO: correct default address?
	depthbuf.data = Memory::GetPointer(0x44000000); // TODO: correct default address?

	framebufferDirty_ = true;
	// TODO: Is there a default?
	displayFramebuf_ = 0;
	displayStride_ = 512;
	displayFormat_ = GE_FORMAT_8888;
}
Ejemplo n.º 3
0
void SWOGLWindow::Prepare()
{
  if (m_init)
    return;
  m_init = true;

  // Init extension support.
  if (!GLExtensions::Init())
  {
    ERROR_LOG(VIDEO, "GLExtensions::Init failed!Does your video card support OpenGL 2.0?");
    return;
  }
  else if (GLExtensions::Version() < 310)
  {
    ERROR_LOG(VIDEO, "OpenGL Version %d detected, but at least 3.1 is required.",
              GLExtensions::Version());
    return;
  }

  std::string frag_shader = "in vec2 TexCoord;\n"
                            "out vec4 ColorOut;\n"
                            "uniform sampler2D Texture;\n"
                            "void main() {\n"
                            "	ColorOut = texture2D(Texture, TexCoord);\n"
                            "}\n";

  std::string vertex_shader = "out vec2 TexCoord;\n"
                              "void main() {\n"
                              "	vec2 rawpos = vec2(gl_VertexID & 1, (gl_VertexID & 2) >> 1);\n"
                              "	gl_Position = vec4(rawpos * 2.0 - 1.0, 0.0, 1.0);\n"
                              "	TexCoord = vec2(rawpos.x, -rawpos.y);\n"
                              "}\n";

  std::string header = GLInterface->GetMode() == GLInterfaceMode::MODE_OPENGL ?
                           "#version 140\n" :
                           "#version 300 es\n"
                           "precision highp float;\n";

  m_image_program = OpenGL_CompileProgram(header + vertex_shader, header + frag_shader);

  glUseProgram(m_image_program);

  glUniform1i(glGetUniformLocation(m_image_program, "Texture"), 0);

  glGenTextures(1, &m_image_texture);
  glBindTexture(GL_TEXTURE_2D, m_image_texture);
  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
  glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);

  glGenVertexArrays(1, &m_image_vao);
}
Ejemplo n.º 4
0
SoftGPU::SoftGPU()
{
	glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
	glPixelStorei(GL_UNPACK_ALIGNMENT, 4);  // 4-byte pixel alignment
	glGenTextures(1, &temp_texture);


	// TODO: Use highp for GLES
	static const char *fragShaderText =
		"varying vec2 TexCoordOut;\n"
		"uniform sampler2D Texture;\n"
		"void main() {\n"
		"   vec4 tmpcolor;\n"
		"   tmpcolor = texture2D(Texture, TexCoordOut);\n"
		"   gl_FragColor = tmpcolor;\n"
		"}\n";
	static const char *vertShaderText =
		"attribute vec4 pos;\n"
		"attribute vec2 TexCoordIn;\n "
		"varying vec2 TexCoordOut;\n "
		"void main() {\n"
		"   gl_Position = pos;\n"
		"   TexCoordOut = TexCoordIn;\n"
		"}\n";

	program = OpenGL_CompileProgram(vertShaderText, fragShaderText);

	glUseProgram(program);

	uni_tex = glGetUniformLocation(program, "Texture");
	attr_pos = glGetAttribLocation(program, "pos");
	attr_tex = glGetAttribLocation(program, "TexCoordIn");

	fb = Memory::GetPointer(0x44000000); // TODO: correct default address?
	depthbuf = Memory::GetPointer(0x44000000); // TODO: correct default address?
}