static void
SetupShaders(void)
{
/* emit same color to both draw buffers */
static const char *fragShaderText =
"void main() {\n"
" gl_FragData[0] = gl_Color; \n"
" gl_FragData[1] = gl_Color; \n"
"}\n";
GLuint fragShader;
fragShader = LoadAndCompileShader(GL_FRAGMENT_SHADER, fragShaderText);
Program = glCreateProgram();
glAttachShader(Program, fragShader);
glLinkProgram(Program);
CheckLink(Program);
glUseProgram(Program);
}
bool CGbaLoader::Load(bool aForce,bool aNotStart)
{
if(!expansion().IsValid()) return false;
bool load=false,nor=false;
struct stat st;
if(-1==stat(iFileName.c_str(),&st))
{
return false;
}
iSize=st.st_size;
if(iSize>MAX_PSRAM)
{
nor=true;
}
else if(iSize>MAX_NOR)
{
akui::messageBox( NULL, LANG("gba warn", "title"), LANG("gba warn", "text"), MB_OK );
return false;
}
FILE* gbaFile=fopen(iFileName.c_str(),"rb");
if(gbaFile)
{
sGBAHeader header;
fread(&header,1,sizeof(header),gbaFile);
fclose(gbaFile);
if(header.is96h==0x96)
{
load=LoadInternal(nor,aForce);
}
}
if(!aNotStart&&load&&!CheckLink())
{
StartGBA();
}
return load;
}
static void
Init(void)
{
const char *version;
GLint i;
version = (const char *) glGetString(GL_VERSION);
if (version[0] != '2' || version[1] != '.') {
printf("Warning: this program expects OpenGL 2.0\n");
/*exit(1);*/
}
GetExtensionFuncs();
vertShader = glCreateShader_func(GL_VERTEX_SHADER);
ReadShader(vertShader, VertProgFile);
fragShader = glCreateShader_func(GL_FRAGMENT_SHADER);
ReadShader(fragShader, FragProgFile);
program = glCreateProgram_func();
glAttachShader_func(program, fragShader);
glAttachShader_func(program, vertShader);
glLinkProgram_func(program);
CheckLink(program);
glUseProgram_func(program);
for (i = 0; Uniforms[i].name; i++) {
Uniforms[i].location
= glGetUniformLocation_func(program, Uniforms[i].name);
printf("Uniform %s location: %d\n", Uniforms[i].name,
Uniforms[i].location);
switch (Uniforms[i].size) {
case 1:
glUniform1fv_func(Uniforms[i].location, 1, Uniforms[i].value);
break;
case 2:
glUniform2fv_func(Uniforms[i].location, 1, Uniforms[i].value);
break;
case 3:
glUniform3fv_func(Uniforms[i].location, 1, Uniforms[i].value);
break;
case 4:
glUniform4fv_func(Uniforms[i].location, 1, Uniforms[i].value);
break;
default:
abort();
}
}
assert(glGetError() == 0);
glClearColor(0.4f, 0.4f, 0.8f, 0.0f);
printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
assert(glIsProgram_func(program));
assert(glIsShader_func(fragShader));
assert(glIsShader_func(vertShader));
glColor3f(1, 0, 0);
}
static void
Init(void)
{
static const char *fragShaderText =
"uniform vec4 diffuse;\n"
"uniform vec4 specular;\n"
"varying vec3 normal;\n"
"void main() {\n"
" // Compute dot product of light direction and normal vector\n"
" float dotProd = max(dot(gl_LightSource[0].position.xyz, \n"
" normalize(normal)), 0.0);\n"
" // Compute diffuse and specular contributions\n"
" gl_FragColor = diffuse * dotProd + specular * pow(dotProd, 20.0);\n"
"}\n";
static const char *vertShaderText =
"varying vec3 normal;\n"
"void main() {\n"
" gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n"
" normal = gl_NormalMatrix * gl_Normal;\n"
"}\n";
const char *version;
version = (const char *) glGetString(GL_VERSION);
if (version[0] != '2' || version[1] != '.') {
printf("This program requires OpenGL 2.x, found %s\n", version);
exit(1);
}
GetExtensionFuncs();
fragShader = glCreateShader_func(GL_FRAGMENT_SHADER);
if (FragProgFile)
ReadShader(fragShader, FragProgFile);
else
LoadAndCompileShader(fragShader, fragShaderText);
vertShader = glCreateShader_func(GL_VERTEX_SHADER);
if (VertProgFile)
ReadShader(vertShader, VertProgFile);
else
LoadAndCompileShader(vertShader, vertShaderText);
program = glCreateProgram_func();
glAttachShader_func(program, fragShader);
glAttachShader_func(program, vertShader);
glLinkProgram_func(program);
CheckLink(program);
glUseProgram_func(program);
uDiffuse = glGetUniformLocation_func(program, "diffuse");
uSpecular = glGetUniformLocation_func(program, "specular");
uTexture = glGetUniformLocation_func(program, "texture");
printf("DiffusePos %d SpecularPos %d TexturePos %d\n",
uDiffuse, uSpecular, uTexture);
glUniform4fv_func(uDiffuse, 1, diffuse);
glUniform4fv_func(uSpecular, 1, specular);
/* assert(glGetError() == 0);*/
glUniform1i_func(uTexture, 2); /* use texture unit 2 */
/*assert(glGetError() == 0);*/
if (CoordAttrib) {
int i;
glBindAttribLocation_func(program, CoordAttrib, "coord");
i = glGetAttribLocation_func(program, "coord");
assert(i >= 0);
if (i != CoordAttrib) {
printf("Hmmm, NVIDIA bug?\n");
CoordAttrib = i;
}
else {
printf("Mesa bind attrib: coord = %d\n", i);
}
}
/*assert(glGetError() == 0);*/
glClearColor(0.3f, 0.3f, 0.3f, 0.0f);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHT0);
glEnable(GL_LIGHTING);
glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, diffuse);
glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, specular);
glMaterialf(GL_FRONT_AND_BACK, GL_SHININESS, 20.0f);
MakeSphere();
MakeRect();
CurList = SphereList;
#if TEXTURE
MakeTexture();
#endif
printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
printf("Press p to toggle between per-pixel and per-vertex lighting\n");
/* test glGetShaderSource() */
if (0) {
GLsizei len = strlen(fragShaderText) + 1;
GLsizei lenOut;
GLchar *src =(GLchar *) malloc(len * sizeof(GLchar));
glGetShaderSource_func(fragShader, 0, NULL, src);
glGetShaderSource_func(fragShader, len, &lenOut, src);
assert(len == lenOut + 1);
assert(strcmp(src, fragShaderText) == 0);
free(src);
}
assert(glIsProgram_func(program));
assert(glIsShader_func(fragShader));
assert(glIsShader_func(vertShader));
glColor3f(1, 0, 0);
/* for testing state vars */
{
static GLfloat fc[4] = { 1, 1, 0, 0 };
static GLfloat amb[4] = { 1, 0, 1, 0 };
glFogfv(GL_FOG_COLOR, fc);
glLightfv(GL_LIGHT1, GL_AMBIENT, amb);
}
#if 0
TestFunctions();
#else
(void) TestFunctions;
#endif
}
static void
Init(void)
{
static const char *fragShaderText =
"uniform sampler2DShadow shadowTex2D; \n"
"uniform sampler2DRectShadow shadowTexRect; \n"
"void main() {\n"
#if USE_RECT
" gl_FragColor = shadow2DRectProj(shadowTexRect, gl_TexCoord[0]); \n"
#else
" gl_FragColor = shadow2D(shadowTex2D, gl_TexCoord[0].xyz); \n"
#endif
"}\n";
static const char *vertShaderText =
"void main() {\n"
" gl_Position = gl_ModelViewProjectionMatrix * gl_Vertex;\n"
" gl_TexCoord[0] = gl_MultiTexCoord0; \n"
"}\n";
const char *version;
#if USE_RECT
if (!glutExtensionSupported("GL_ARB_texture_rectangle")) {
printf("This program requires GL_ARB_texture_rectangle\n");
exit(1);
}
#endif
version = (const char *) glGetString(GL_VERSION);
if (version[0] != '2' || version[1] != '.') {
printf("This program requires OpenGL 2.x, found %s\n", version);
exit(1);
}
printf("GL_RENDERER = %s\n",(const char *) glGetString(GL_RENDERER));
fragShader = glCreateShader(GL_FRAGMENT_SHADER);
if (FragProgFile)
ReadShader(fragShader, FragProgFile);
else
LoadAndCompileShader(fragShader, fragShaderText);
vertShader = glCreateShader(GL_VERTEX_SHADER);
if (VertProgFile)
ReadShader(vertShader, VertProgFile);
else
LoadAndCompileShader(vertShader, vertShaderText);
program = glCreateProgram();
glAttachShader(program, fragShader);
glAttachShader(program, vertShader);
glLinkProgram(program);
CheckLink(program);
glUseProgram(program);
uTexture2D = glGetUniformLocation(program, "shadowTex2D");
uTextureRect = glGetUniformLocation(program, "shadowTexRect");
printf("uTexture2D %d uTextureRect %d\n", uTexture2D, uTextureRect);
if (uTexture2D >= 0) {
glUniform1i(uTexture2D, 0); /* use texture unit 0 */
}
if (uTextureRect >= 0) {
glUniform1i(uTextureRect, 1); /* use texture unit 0 */
}
CheckError(__LINE__);
glClearColor(0.3f, 0.3f, 0.3f, 0.0f);
glColor3f(1, 1, 1);
MakeTexture();
CheckError(__LINE__);
}
