void swapDisplayBuffers(window w)
{
#if OXYGINE_SDL
if (!_context)
return;
#endif
CHECKGL();
#if __S3E__
IwGLSwapBuffers();
#elif EMSCRIPTEN
SDL_GL_SwapBuffers();
#elif OXYGINE_SDL
SDL_Window *wnd = w;
if (!wnd)
wnd = _window;
if (_context)
{
int status = SDL_GL_MakeCurrent(wnd, _context);
if (status)
{
log::error("SDL_GL_MakeCurrent(): %s", SDL_GetError());
}
SDL_GL_SwapWindow(wnd);
}
#endif
IVideoDriver::instance->getStats(_videoStats);
IVideoDriver::instance->swapped();
CHECKGL();
//sleep(1000/50);
}
void VideoDriverGLES20::setShaderProgram(ShaderProgram* prog_)
{
CHECKGL();
ShaderProgramGL* prog = safeCast<ShaderProgramGL*>(prog_);
unsigned int id = prog->getID();
oxglUseProgram(id);
_program = id;
CHECKGL();
}
void VideoDriverGL::setRenderTarget(spNativeTexture rt)
{
if (!rt)
{
glBindFramebuffer(GL_FRAMEBUFFER, _prevFBO);
CHECKGL();
return;
}
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &_prevFBO);
NativeTextureGLES *gl = safeCast<NativeTextureGLES*>(rt.get());
glBindFramebuffer(GL_FRAMEBUFFER, gl->getFboID());
CHECKGL();
}
void VideoDriverGLES20::setShaderProgram(ShaderProgram* prog_)
{
CHECKGL();
ShaderProgramGL* prog = safeCast<ShaderProgramGL*>(prog_);
unsigned int id = prog->getID();
glUseProgram(id);
_program = id;
int gl_error = glGetError();
if (gl_error != GL_NO_ERROR)
{
log::error("OpenGL error: %#x\n", gl_error);
char buf[1024];
GLsizei len;
glGetProgramInfoLog(id, sizeof(buf)-1, &len, buf);
buf[len] = 0;
log::error("OpenGL error: %s\n", buf);
if (gl_error == GL_OUT_OF_MEMORY)
{
exit(0);
}
}
// CHECKGL();
}
void VideoDriverGLES20::draw(PRIMITIVE_TYPE pt, const VertexDeclaration* decl_, const void* vdata, unsigned int size)
{
const VertexDeclarationGL* decl = static_cast<const VertexDeclarationGL*>(decl_);
const unsigned char* verticesData = (const unsigned char*)vdata;
const VertexDeclarationGL::Element* el = decl->elements;
for (int i = 0; i < decl->numElements; ++i)
{
oxglEnableVertexAttribArray(el->index);
oxglVertexAttribPointer(el->index, el->size, el->elemType, el->normalized, decl->size, verticesData + el->offset);
el++;
}
size_t primitives = size / decl->size;
glDrawArrays(getPT(pt), 0, (GLsizei)primitives);
el = decl->elements;
for (int i = 0; i < decl->numElements; ++i)
{
oxglDisableVertexAttribArray(el->index);
el++;
}
#if OXYGINE_TRACE_VIDEO_STATS
_debugAddPrimitives(pt, (int)(GLsizei)primitives);
#endif
CHECKGL();
}
void NativeTextureGLES::updateRegion(int x, int y, const ImageData& data_)
{
ImageData data = data_;
assert(_width >= data.w - x);
assert(_height >= data.h - y);
glBindTexture(GL_TEXTURE_2D, (GLuint) _id);
glPixel glp = SurfaceFormat2GL(_format);
//saveImage(data, "test1.png");
MemoryTexture mt;
if (_format != data.format)
{
mt.init(data.w, data.h, _format);
mt.fill_zero();
mt.updateRegion(0, 0, data);
data = mt.lock();
}
glTexSubImage2D(GL_TEXTURE_2D, 0,
x, y, data.w, data.h,
glp.format, glp.type, data.data);
CHECKGL();
}
void VideoDriverGLES20::draw(PRIMITIVE_TYPE pt, const VertexDeclaration* decl_, const void* vdata, unsigned int verticesDataSize, const void* indicesData, unsigned int numIndices, bool indicesShortType)
{
const VertexDeclarationGL* decl = static_cast<const VertexDeclarationGL*>(decl_);
const unsigned char* verticesData = (const unsigned char*)vdata;
const VertexDeclarationGL::Element* el = decl->elements;
for (int i = 0; i < decl->numElements; ++i)
{
oxglEnableVertexAttribArray(el->index);
oxglVertexAttribPointer(el->index, el->size, el->elemType, el->normalized, decl->size, verticesData + el->offset);
el++;
}
glDrawElements(getPT(pt), numIndices, indicesShortType ? GL_UNSIGNED_SHORT : GL_UNSIGNED_BYTE, indicesData);
el = decl->elements;
for (int i = 0; i < decl->numElements; ++i)
{
oxglDisableVertexAttribArray(el->index);
el++;
}
#if OXYGINE_TRACE_VIDEO_STATS
_debugAddPrimitives(pt, numIndices);
#endif
CHECKGL();
}
void VideoDriverGLES20::clear(const Color& color)
{
glClearColor(color.getRedF(), color.getGreenF(), color.getBlueF(), color.getAlphaF());
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
CHECKGL();
}
int ShaderProgramGL::getUniformLocation(const char *id) const
{
int i = oxglGetUniformLocation(_program, id);
//if (i == -1)
CHECKGL();
return i;
}
unsigned int ShaderProgramGL::createShader(unsigned int type, const char* data, const char* prepend, const char* append)
{
GLuint shader = oxglCreateShader(type);
const char* sources[16];
const char** ptr = &sources[0];
bool gles = false;
#ifdef __S3E__
gles = true;
#elif OXYGINE_SDL
int profile = 0;
SDL_GL_GetAttribute(SDL_GL_CONTEXT_PROFILE_MASK, &profile);
gles = profile == SDL_GL_CONTEXT_PROFILE_ES;
#else
#endif
#ifndef EMSCRIPTEN
if (!gles)
{
log::messageln("not gles version");
static const char nonGLES[] =
"#define lowp\n"
"#define mediump\n"
"#define highp\n";
*ptr = nonGLES;
ptr++;
}
#endif
if (prepend)
{
*ptr = prepend;
ptr++;
}
*ptr = data;
ptr++;
if (append)
{
*ptr = append;
ptr++;
}
int num = (int)(ptr - sources);
oxglShaderSource(shader, num, sources, 0);
oxglCompileShader(shader);
printShaderInfoLog(shader);
CHECKGL();
return shader;
}
unsigned int ShaderProgramGL::createProgram(int vs, int fs, const VertexDeclarationGL* decl)
{
int p = oxglCreateProgram();
oxglAttachShader(p, vs);
oxglAttachShader(p, fs);
for (int i = 0; i < decl->numElements; ++i)
oxglBindAttribLocation(p, decl->elements[i].index, decl->elements[i].name);
oxglLinkProgram(p);
std::string log;
bool success = getProgramBuildLog(p, log);
if (success)
{
//log::messageln("compiled shader: %s", log.c_str());
}
else
{
log::error("can't link gl program: %s", log.c_str());
oxglDeleteProgram(p);
p = 0;
}
CHECKGL();
return p;
}
void NativeTextureGLES::init(int w, int h, TextureFormat tf, bool rt)
{
release();
size_t id = createTexture();
if (rt)
{
if (!HAVE_NPOT_RT())
{
w = nextPOT(w);
h = nextPOT(h);
}
}
glPixel p = SurfaceFormat2GL(tf);
glTexImage2D(GL_TEXTURE_2D, 0, p.format, w, h, 0, p.format, p.type, 0);
if (rt)
{
int prevFBO = 0;
glGetIntegerv(GL_FRAMEBUFFER_BINDING, &prevFBO);
glBindTexture(GL_TEXTURE_2D, 0);
unsigned int fbo = 0;
oxglGenFramebuffers(1, &fbo);
oxglBindFramebuffer(GL_FRAMEBUFFER, fbo);
oxglFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, (GLuint)id, 0);
//printf("created fbo: %d\n", fbo);
unsigned int status = oxglCheckFramebufferStatus(GL_FRAMEBUFFER);
//log::message("fbo status %d\n", status);
//GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_OES
if (status != GL_FRAMEBUFFER_COMPLETE)
{
log::error("status != GL_FRAMEBUFFER_COMPLETE_OES");
}
glViewport(0, 0, w, h);
glClearColor(0, 0, 0, 0);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
oxglBindFramebuffer(GL_FRAMEBUFFER, prevFBO);
//log::message("fbo bind\n");
glBindTexture(GL_TEXTURE_2D, 0);
_fbo = fbo;
}
_id = id;
_width = w;
_height = h;
_format = tf;
CHECKGL();
}
void VideoDriverGLES20::setUniform(const char *id, const Vector4 *v, int num)
{
int p = glGetUniformLocation(_program, id);
if (p == -1)
return;
glUniform4fv(p, num, v->m);
CHECKGL();
}
void VideoDriverGLES20::setUniformInt(const char* id, int v)
{
int location = oxglGetUniformLocation(_program, id);
if (location == -1)
return;
oxglUniform1i(location, v);
CHECKGL();
}
void VideoDriverGLES20::setUniform(const char* id, float val)
{
int p = oxglGetUniformLocation(_program, id);
if (p == -1)
return;
oxglUniform1f(p, val);
CHECKGL();
}
void VideoDriverGLES20::setUniform(const char* id, const Vector3* v, int num)
{
int p = oxglGetUniformLocation(_program, id);
if (p == -1)
return;
oxglUniform3fv(p, num, &v->x);
CHECKGL();
}
void VideoDriverGLES20::setUniform(const char* id, const Matrix* mat)
{
int p = oxglGetUniformLocation(_program, id);
if (p == -1)
return;
oxglUniformMatrix4fv(p, 1, GL_FALSE, mat->ml);
CHECKGL();
}
void VideoDriverGL::getViewport(Rect &r) const
{
GLint vp[4];
glGetIntegerv(GL_VIEWPORT, vp);
r = Rect(vp[0], vp[1], vp[2], vp[3]);;
CHECKGL();
}
void NativeTextureGLES::setLinearFilter(bool enable)
{
glBindTexture(GL_TEXTURE_2D, (GLuint) _id);
unsigned int f = enable ? GL_LINEAR : GL_NEAREST;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, f);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, f);
CHECKGL();
}
void VideoDriverGLES20::setTexture(int sampler, spNativeTexture t)
{
oxglActiveTexture(GL_TEXTURE0 + sampler);
if (t)
glBindTexture(GL_TEXTURE_2D, (GLuint)((size_t)t->getHandle()));
else
glBindTexture(GL_TEXTURE_2D, 0);
CHECKGL();
}
void VideoDriverGL::getViewport(Rect &r) const
{
GLint vp[4];
glGetIntegerv(GL_VIEWPORT, vp);
r = Rect(vp[0], vp[1], vp[2], vp[3]);;
//log::messageln("vp %d %d %d %d", vp[0], vp[1], vp[2], vp[3]);
CHECKGL();
}
void init2()
{
#ifdef OXYGINE_QT
setlocale(LC_ALL, "POSIX");
#endif
#ifdef OXYGINE_SDL
int missing = initGLExtensions(SDL_GL_GetProcAddress);
#endif
Point size = getDisplaySize();
log::messageln("display size: %d %d", size.x, size.y);
#if __S3E__
int glversion = s3eGLGetInt(S3E_GL_VERSION);
int major_gl = glversion >> 8;
OX_ASSERT( major_gl == 2 && "gl version should be 2");
IVideoDriver::instance = new VideoDriverGLES20();
#endif
IVideoDriver::instance = new VideoDriverGLES20();
CHECKGL();
IVideoDriver::instance->setDefaultSettings();
CHECKGL();
Renderer::initialize();
Resources::registerResourceType(ResAtlas::create, "atlas");
Resources::registerResourceType(ResBuffer::create, "buffer");
Resources::registerResourceType(ResFontBM::create, "font");
Resources::registerResourceType(ResFontBM::createBM, "bmfc_font");
Resources::registerResourceType(ResFontBM::createSD, "sdfont");
Resources::registerResourceType(ResStarlingAtlas::create, "starling");
CHECKGL();
log::messageln("oxygine initialized");
}
void NativeTextureGLES::setClamp2Edge(bool clamp2edge)
{
glBindTexture(GL_TEXTURE_2D, (GLuint) _id);
unsigned int f = clamp2edge ? GL_CLAMP_TO_EDGE : GL_REPEAT;
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, f);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, f);
CHECKGL();
}
void VideoDriverGL::setScissorRect(const Rect *rect)
{
if (rect)
{
glEnable(GL_SCISSOR_TEST);
glScissor(rect->getX(), rect->getY(), rect->getWidth(), rect->getHeight());
}
else
glDisable(GL_SCISSOR_TEST);
CHECKGL();
}
bool VideoDriverGL::getScissorRect(Rect &r) const
{
GLboolean scrTest = glIsEnabled(GL_SCISSOR_TEST);
GLint box[4];
glGetIntegerv(GL_SCISSOR_BOX, box);
r = Rect(box[0], box[1], box[2], box[3]);
CHECKGL();
return scrTest ? true : false;
}
bool beginRendering(window w)
{
#ifdef OXYGINE_SDL
SDL_Window *wnd = w;
if (!wnd)
wnd = _window;
SDL_GL_MakeCurrent(wnd, _context);
#endif
CHECKGL();
return Renderer::isReady();
}
void VideoDriverGLES20::setDefaultSettings()
{
//glEnable(GL_TEXTURE_2D);
glDisable(GL_SCISSOR_TEST);
glDisable(GL_DEPTH_TEST);
glDisable(GL_BLEND);
glDepthMask(GL_FALSE);
glCullFace(GL_FRONT_AND_BACK);
CHECKGL();
//setProgram(_us.getShaderProgram(0)->program);
}
unsigned int ShaderProgramGL::createProgram(int vs, int fs, const VertexDeclarationGL *decl)
{
int p = oxglCreateProgram();
oxglAttachShader(p, vs);
oxglAttachShader(p, fs);
for (int i = 0; i < decl->numElements; ++i)
oxglBindAttribLocation(p, decl->elements[i].index, decl->elements[i].name);
oxglLinkProgram(p);
CHECKGL();
return p;
}
void VideoDriverGL::setState(STATE state, unsigned int value)
{
switch(state)
{
case STATE_BLEND:
if (value)
glEnable(GL_BLEND);
else
glDisable(GL_BLEND);
break;
default:
OX_ASSERT(!"unknown state");
}
CHECKGL();
}
void VideoDriverGLES20::setUniform(const char *id, const Matrix *mat)
{
int p = glGetUniformLocation(_program, id);
if (p == -1)
return;
/*
log::messageln("mat ");
for (int i = 0; i < 16; ++i)
{
log::messageln("%g ", mat->ml[i]);
}
*/
glUniformMatrix4fv(p, 1, GL_FALSE, mat->ml);
CHECKGL();
}
