void GL_APIENTRY DiscardFramebufferEXT(GLenum target, GLsizei numAttachments, const GLenum *attachments)
{
EVENT("(GLenum target = 0x%X, GLsizei numAttachments = %d, attachments = 0x%0.8p)", target, numAttachments, attachments);
Context *context = GetValidGlobalContext();
if (context)
{
if (!context->getExtensions().discardFramebuffer)
{
context->recordError(Error(GL_INVALID_OPERATION, "Extension not enabled"));
return;
}
if (!ValidateDiscardFramebufferEXT(context, target, numAttachments, attachments))
{
return;
}
Framebuffer *framebuffer = context->getState().getTargetFramebuffer(target);
ASSERT(framebuffer);
// The specification isn't clear what should be done when the framebuffer isn't complete.
// We leave it up to the framebuffer implementation to decide what to do.
Error error = framebuffer->discard(numAttachments, attachments);
if (error.isError())
{
context->recordError(error);
return;
}
}
}
void
SceneContext::render(Framebuffer& fb, const Rect& rect)
{
// Render all buffers
// FIXME: Render all to pbuffer for later combining of them
if (impl->use_cliprect)
{
fb.push_cliprect(impl->cliprect);
impl->color.render(fb, rect);
fb.pop_cliprect();
}
else
{
impl->color.render(fb, rect);
}
#if 0
{ // lightmap support
impl->light.render(impl->canvas.get_gc());
impl->canvas.sync_surface();
//impl->lightmap.set_blend_func(blend_src_alpha, blend_one);
impl->lightmap.set_blend_func(blend_dest_color, blend_zero);
//GL_DST_COLOR, GL_ZERO
impl->lightmap.set_scale(SCALE_FACTOR, SCALE_FACTOR);
impl->lightmap.draw();
impl->canvas.get_gc()->clear();
}
#endif
impl->highlight.render(fb, rect);
}
void Context::releaseSurface()
{
Framebuffer *defaultFBO = mFramebufferMap[0];
defaultFBO->resetAttachment(GL_BACK);
defaultFBO->resetAttachment(GL_DEPTH);
defaultFBO->resetAttachment(GL_STENCIL);
}
ImageWrapper& ImageWrapper::operator=(const ImageWrapper& rhs)
{
clear();
if (rhs.m_source == NONE)
{
return *this;
}
else if(rhs.getFbo())
{ // Copy the FBO
m_source = FBO;
Framebuffer* rhsFBO = rhs.getFbo();
m_fbo = std::make_shared<Framebuffer>(rhsFBO->size());
Framebuffer::blitFramebuffer(*m_fbo, *rhsFBO);
m_size = rhs.size();
}
else
{ // Create an image
m_source = IMAGE;
m_image = std::make_shared<Image>(rhs.getImage().clone());
m_size = rhs.size();
}
return *this;
}
void GL_APIENTRY ReadnPixelsEXT(GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type, GLsizei bufSize,
GLvoid *data)
{
EVENT("(GLint x = %d, GLint y = %d, GLsizei width = %d, GLsizei height = %d, "
"GLenum format = 0x%X, GLenum type = 0x%X, GLsizei bufSize = 0x%d, GLvoid *data = 0x%0.8p)",
x, y, width, height, format, type, bufSize, data);
Context *context = GetValidGlobalContext();
if (context)
{
if (width < 0 || height < 0 || bufSize < 0)
{
context->recordError(Error(GL_INVALID_VALUE));
return;
}
if (!ValidateReadPixelsParameters(context, x, y, width, height,
format, type, &bufSize, data))
{
return;
}
Framebuffer *framebufferObject = context->getState().getReadFramebuffer();
ASSERT(framebufferObject);
Rectangle area(x, y, width, height);
Error error = framebufferObject->readPixels(context, area, format, type, data);
if (error.isError())
{
context->recordError(error);
return;
}
}
}
static void make_fb()
{
// tcol is a 2D RGB texsize x texsize texture
// RGB is a constant that represents 8-bit RGB texture
// See the definition of TexFormat enum in texture.h for other values allowed.
// Stencil may require new hardware/drivers to work properly.
tcol = new Texture(RGB,texsize,texsize);
// tdepth is a depth texture, i.e. it stores depth values as the values of texels.
tdepth = new Texture(Depth,texsize,texsize);
// allocate new Framebuffer
fb = new Framebuffer;
// attach color and depth textures to it; the tcol texture will play the role of color
// buffer and tdepth - of the depth buffer.
fb->attachColor(tcol);
fb->attachDepth(tdepth);
// Print out the status of the frame buffer. In particular, if the textures are of
// wrong type/format, the framebuffer will not be `complete', i.e. suitable for
// rendering into it. If this is the case, you should get a message complaining
// about it in the terminal. For example, it is wrong to use a color texture as
// the depth texture or the other way around. The restrictions are mostly common
// sense. See specification for more details.
fb->printLog();
}
void State::detachRenderbuffer(GLuint renderbuffer)
{
// [OpenGL ES 2.0.24] section 4.4 page 109:
// If a renderbuffer that is currently bound to RENDERBUFFER is deleted, it is as though BindRenderbuffer
// had been executed with the target RENDERBUFFER and name of zero.
if (mRenderbuffer.id() == renderbuffer)
{
mRenderbuffer.set(NULL);
}
// [OpenGL ES 2.0.24] section 4.4 page 111:
// If a renderbuffer object is deleted while its image is attached to the currently bound framebuffer,
// then it is as if FramebufferRenderbuffer had been called, with a renderbuffer of 0, for each attachment
// point to which this image was attached in the currently bound framebuffer.
Framebuffer *readFramebuffer = mReadFramebuffer;
Framebuffer *drawFramebuffer = mDrawFramebuffer;
if (readFramebuffer)
{
readFramebuffer->detachRenderbuffer(renderbuffer);
}
if (drawFramebuffer && drawFramebuffer != readFramebuffer)
{
drawFramebuffer->detachRenderbuffer(renderbuffer);
}
}
void
Renderbuffer::blit(Framebuffer& target_fbo)
{
blit(target_fbo,
0, 0, m_width, m_height,
0, 0, target_fbo.get_width(), target_fbo.get_height());
}
void GL_APIENTRY BlitFramebufferANGLE(GLint srcX0, GLint srcY0, GLint srcX1, GLint srcY1, GLint dstX0, GLint dstY0, GLint dstX1, GLint dstY1,
GLbitfield mask, GLenum filter)
{
EVENT("(GLint srcX0 = %d, GLint srcY0 = %d, GLint srcX1 = %d, GLint srcY1 = %d, "
"GLint dstX0 = %d, GLint dstY0 = %d, GLint dstX1 = %d, GLint dstY1 = %d, "
"GLbitfield mask = 0x%X, GLenum filter = 0x%X)",
srcX0, srcY0, srcX1, srcX1, dstX0, dstY0, dstX1, dstY1, mask, filter);
Context *context = GetValidGlobalContext();
if (context)
{
if (!ValidateBlitFramebufferParameters(context, srcX0, srcY0, srcX1, srcY1,
dstX0, dstY0, dstX1, dstY1, mask, filter,
true))
{
return;
}
Framebuffer *readFramebuffer = context->getState().getReadFramebuffer();
ASSERT(readFramebuffer);
Framebuffer *drawFramebuffer = context->getState().getDrawFramebuffer();
ASSERT(drawFramebuffer);
Rectangle srcArea(srcX0, srcY0, srcX1 - srcX0, srcY1 - srcY0);
Rectangle dstArea(dstX0, dstY0, dstX1 - dstX0, dstY1 - dstY0);
Error error = drawFramebuffer->blit(context->getState(), srcArea, dstArea, mask, filter, readFramebuffer);
if (error.isError())
{
context->recordError(error);
return;
}
}
}
void
DrawingContext::render(Framebuffer& fb, const Rect& parent_rect)
{
Rect this_rect(Math::max(rect.left + parent_rect.left, parent_rect.left),
Math::max(rect.top + parent_rect.top, parent_rect.top),
Math::min(rect.right + parent_rect.left, parent_rect.right),
Math::min(rect.bottom + parent_rect.top, parent_rect.bottom));
if (do_clipping)
fb.push_cliprect(this_rect);
std::stable_sort(drawingrequests.begin(), drawingrequests.end(), DrawingRequestsSorter());
if (0)
{
std::cout << "<<<<<<<<<<<<<<" << std::endl;
for(DrawingRequests::iterator i = drawingrequests.begin(); i != drawingrequests.end(); ++i)
std::cout << (*i)->get_z_pos() << std::endl;
std::cout << ">>>>>>>>>>>>>>" << std::endl;
}
for(DrawingRequests::iterator i = drawingrequests.begin(); i != drawingrequests.end(); ++i)
{
//std::cout << this << ": " << (*i)->get_z_pos() << std::endl;
(*i)->render(fb, this_rect); // FIXME: Should we clip size against parent rect?
}
if (do_clipping)
fb.pop_cliprect();
}
bool ValidateStateQuery(gl::Context *context, GLenum pname, GLenum *nativeType, unsigned int *numParams)
{
if (!context->getQueryParameterInfo(pname, nativeType, numParams))
{
return gl::error(GL_INVALID_ENUM, false);
}
if (pname >= GL_DRAW_BUFFER0 && pname <= GL_DRAW_BUFFER15)
{
unsigned int colorAttachment = (pname - GL_DRAW_BUFFER0);
if (colorAttachment >= context->getMaximumRenderTargets())
{
return gl::error(GL_INVALID_OPERATION, false);
}
}
switch (pname)
{
case GL_TEXTURE_BINDING_2D:
case GL_TEXTURE_BINDING_CUBE_MAP:
case GL_TEXTURE_BINDING_3D:
case GL_TEXTURE_BINDING_2D_ARRAY:
if (context->getActiveSampler() >= context->getMaximumCombinedTextureImageUnits())
{
return gl::error(GL_INVALID_OPERATION, false);
}
break;
case GL_IMPLEMENTATION_COLOR_READ_TYPE:
case GL_IMPLEMENTATION_COLOR_READ_FORMAT:
{
Framebuffer *framebuffer = context->getReadFramebuffer();
ASSERT(framebuffer);
if (framebuffer->completeness() != GL_FRAMEBUFFER_COMPLETE)
{
return gl::error(GL_INVALID_OPERATION, false);
}
Renderbuffer *renderbuffer = framebuffer->getReadColorbuffer();
if (!renderbuffer)
{
return gl::error(GL_INVALID_OPERATION, false);
}
}
break;
default:
break;
}
// pname is valid, but there are no parameters to return
if (numParams == 0)
{
return false;
}
return true;
}
void render(Framebuffer& fb)
{
if (m_push)
{
fb.push_cliprect(m_rect);
}
else
{
fb.pop_cliprect();
}
}
void Renderer::render (Framebuffer& buf, size_t) {
const auto& camera = m_scene.camera ();
for (size_t x = 0; x < buf.width (); ++ x) {
for (size_t y = 0; y < buf.height (); ++ y) {
const auto dx = rng () - 0.5;
const auto dy = rng () - 0.5;
const auto ray = camera.spawnRay (x + dx, y + dy);
buf.addColour (x, y, render (ray));
}
}
}
inline void storeFramebuffer(int resultIndex,
const FilePath& pngDir,
const FilePath& exrDir,
const FilePath& baseName,
float gamma,
const Framebuffer& framebuffer) {
// Create output directories in case they don't exist
createDirectory(pngDir.str());
createDirectory(exrDir.str());
// Path of primary output image files
FilePath pngFile = pngDir + baseName.addExt(".png");
FilePath exrFile = exrDir + baseName.addExt(".exr");
// Make a copy of the image
Image copy = framebuffer.getChannel(0);
// Store the EXR image "as is"
storeEXRImage(exrFile.str(), copy);
// Post-process copy of image and store PNG file
copy.flipY();
copy.divideByAlpha();
copy.applyGamma(gamma);
storeImage(pngFile.str(), copy);
// Store complete framebuffer as a single EXR multi layer image
auto exrFramebufferFilePath = exrDir + baseName.addExt(".bnzframebuffer.exr");
storeEXRFramebuffer(exrFramebufferFilePath.str(), framebuffer);
// Store complete framebuffer as PNG indivual files in a dediacted subdirectory
auto pngFramebufferDirPath = pngDir + "framebuffers/";
createDirectory(pngFramebufferDirPath.str());
if(resultIndex >= 0) {
pngFramebufferDirPath = pngFramebufferDirPath + toString3(resultIndex); // Split different results of the same batch in different subdirectories
}
createDirectory(pngFramebufferDirPath.str());
// Store each channel of the framebuffer
for(auto i = 0u; i < framebuffer.getChannelCount(); ++i) {
auto name = framebuffer.getChannelName(i);
// Prefix by the index of the channel
FilePath pngFile = pngFramebufferDirPath + FilePath(toString3(i)).addExt("_" + name + ".png");
auto copy = framebuffer.getChannel(i);
copy.flipY();
copy.divideByAlpha();
copy.applyGamma(gamma);
storeImage(pngFile.str(), copy);
}
}
bool set()
{
if(!color || !depth)
return false;
if(!fakeTargetActive || !SHARE_BUFFERS)
{
fakeTargetActive = true;
// FIXME?
fbo->activate();
if(!fbo->validate())
{
fbo->disable();
return false;
}
/* not required because opengl can't clear just part of buffer
// unless using scissor
// which is a horrible hack
D3DRECT rc = { 0 };
rc.x2 = BUFFER_WIDTH * 2;
rc.y2 = BUFFER_HEIGHT * 2;
*/
// because on opengl scissor test affects clear
// but on direct3d not
glDisable(GL_SCISSOR_TEST);
glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE);
glDepthMask(GL_TRUE);
// Black, no alpha test
//hr = device.Clear(1, &rc, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER | D3DCLEAR_STENCIL, 0xFF000000, 1.0f, 0);
// Black, alpha test
//hr = device.Clear(1, &rc, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER | D3DCLEAR_STENCIL, 0, 1.0f, 0);
// White, no alpha test
//hr = device.Clear(1, &rc, D3DCLEAR_TARGET | D3DCLEAR_ZBUFFER | D3DCLEAR_STENCIL, 0xFFFFFFFF, 1.0f, 0);
// White, alpha tested (Normal)
glClearColor(1.0f, 1.0f, 1.0f, 0.0f);
glClearDepth(1.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
}
glViewport(pos.x * BUFFER_WIDTH, pos.y * BUFFER_HEIGHT, BUFFER_WIDTH, BUFFER_HEIGHT);
return true;
}
int main(void) {
Framebuffer fb;
fb.drawRectangle(2,2,125,61);
fb.drawRectangle(6,6,12,12,1);
fb.show();
// Invert uses direct hardware commands
// So no need to send the framebuffer again
// => no need to fb.show();
fb.invert(1);
return 0;
}
void GL_APIENTRY DrawBuffersEXT(GLsizei n, const GLenum *bufs)
{
EVENT("(GLenum n = %d, bufs = 0x%0.8p)", n, bufs);
Context *context = GetValidGlobalContext();
if (context)
{
if (n < 0 || static_cast<GLuint>(n) > context->getCaps().maxDrawBuffers)
{
context->recordError(Error(GL_INVALID_VALUE));
return;
}
ASSERT(context->getState().getDrawFramebuffer());
if (context->getState().getDrawFramebuffer()->id() == 0)
{
if (n != 1)
{
context->recordError(Error(GL_INVALID_OPERATION));
return;
}
if (bufs[0] != GL_NONE && bufs[0] != GL_BACK)
{
context->recordError(Error(GL_INVALID_OPERATION));
return;
}
}
else
{
for (int colorAttachment = 0; colorAttachment < n; colorAttachment++)
{
const GLenum attachment = GL_COLOR_ATTACHMENT0_EXT + colorAttachment;
if (bufs[colorAttachment] != GL_NONE && bufs[colorAttachment] != attachment)
{
context->recordError(Error(GL_INVALID_OPERATION));
return;
}
}
}
Framebuffer *framebuffer = context->getState().getDrawFramebuffer();
ASSERT(framebuffer);
framebuffer->setDrawBuffers(n, bufs);
}
}
void Update(double time)
{
gl.Viewport(size, size);
fbo.Bind(Framebuffer::Target::Draw);
Framebuffer::AttachColorTexture(
Framebuffer::Target::Draw,
1,
holder.CurrentHeightMap(),
0
);
Context::ColorBuffer draw_buffs[2] = {
FramebufferColorAttachment::_0,
FramebufferColorAttachment::_1
};
gl.DrawBuffers(draw_buffs);
prog.Use();
prog.hmap_1.Set(holder.HMapUnit1());
prog.hmap_2.Set(holder.HMapUnit2());
prog.time.Set(time);
screen.Use();
gl.Disable(Capability::DepthTest);
screen.Draw();
gl.Enable(Capability::DepthTest);
holder.Swap();
}
void
Renderbuffer::blit(Framebuffer& target_fbo,
int srcX0, int srcY0, int srcX1, int srcY1,
int dstX0, int dstY0, int dstX1, int dstY1,
GLbitfield mask, GLenum filter)
{
// mask
// The bitwise OR of the flags indicating which buffers are to be
// copied. The allowed flags are GL_COLOR_BUFFER_BIT,
// GL_DEPTH_BUFFER_BIT and GL_STENCIL_BUFFER_BIT.
// filter
// Specifies the interpolation to be applied if the image is
// stretched. Must be GL_NEAREST or GL_LINEAR.
// http://www.opengl.org/registry/specs/EXT/framebuffer_blit.txt
// http://www.opengl.org/wiki/GLAPI/glBlitFramebuffer
assert_gl("enter: BlitFramebuffer");
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, target_fbo.get_id());
assert_gl("enter: BlitFramebuffer1");
glBindFramebuffer(GL_READ_FRAMEBUFFER, m_fbo);
glReadBuffer(GL_COLOR_ATTACHMENT0);
assert_gl("enter: BlitFramebuffer2");
glBlitFramebuffer(srcX0, srcY0, srcX1, srcY1,
dstX0, dstY0, dstX1, dstY1,
mask, filter);
assert_gl("done: BlitFramebuffer");
glBindFramebuffer(GL_DRAW_FRAMEBUFFER, 0);
glBindFramebuffer(GL_READ_FRAMEBUFFER, 0);
}
void ImageWrapper::setFbo(const Framebuffer& fbo)
{
clear();
m_fbo = std::make_shared<Framebuffer>(fbo);
m_source = FBO;
m_size = fbo.size();
}
void RenderFrameShadowMap(
const Vec3f& light_position,
const Mat4f& torus_matrix,
const Mat4f& light_proj_matrix
)
{
frame_shadow_fbo.Bind(Framebuffer::Target::Draw);
gl.Viewport(shadow_tex_side, shadow_tex_side);
gl.ClearDepthBuffer(1.0f);
gl.CullFace(Face::Back);
transf_prog.camera_matrix.Set(light_proj_matrix);
transf_prog.camera_position.Set(light_position);
// Render the torus' frame
transf_prog.model_matrix.Set(torus_matrix);
shadow_pp.Bind();
gl.Enable(Capability::PolygonOffsetFill);
torus.Draw(
[](GLuint phase) -> bool
{
return (phase <= 3);
}
);
gl.Disable(Capability::PolygonOffsetFill);
}
void removeLabel(string province, string population){
// Remove old province
char* provinsi_label = new char[province.size() + 1];
std::copy(province.begin(), province.end(), provinsi_label);
provinsi_label[province.size()] = '\0'; // don't forget the terminating 0
framebuffer.DrawString(provinsi_label, 10, framebuffer.height - 40, 1, DEFAULT);
delete[] provinsi_label;
char* populasi_label = new char[population.size() + 1];
std::copy(population.begin(), population.end(), populasi_label);
populasi_label[population.size()] = '\0'; // don't forget the terminating 0
framebuffer.DrawString(populasi_label, 10, framebuffer.height - 25, 1, DEFAULT);
delete[] populasi_label;
}
void RenderGlassShadowMap(
const Vec3f& light_position,
const Vec3f& torus_center,
const Mat4f& torus_matrix,
const Mat4f& light_proj_matrix
)
{
glass_shadow_fbo.Bind(Framebuffer::Target::Draw);
gl.Viewport(shadow_tex_side, shadow_tex_side);
const GLfloat clear_color[4] = {1.0f, 1.0f, 1.0f, 0.0f};
gl.ClearColorBuffer(0, clear_color);
transf_prog.camera_matrix.Set(light_proj_matrix);
transf_prog.camera_position.Set(light_position);
transf_prog.light_proj_matrix.Set(light_proj_matrix);
transf_prog.light_position.Set(light_position);
// Render the torus' frame
transf_prog.model_matrix.Set(torus_matrix);
// setup the view clipping plane
Planef clip_plane = Planef::FromPointAndNormal(
torus_center,
Normalized(light_position-torus_center)
);
transf_prog.clip_plane.Set(clip_plane.Equation());
light_pp.Bind();
light_prog.color = Vec3f(0.6f, 0.4f, 0.1f);
gl.Disable(Capability::DepthTest);
gl.Enable(Functionality::ClipDistance, 0);
gl.Enable(Capability::Blend);
for(int c=0; c!=2; ++c)
{
transf_prog.clip_direction.Set((c == 0)?1:-1);
for(int p=3; p>=0; --p)
{
if(p % 2 == 0) gl.CullFace(Face::Front);
else gl.CullFace(Face::Back);
torus.Draw(
[&p](GLuint phase) -> bool
{
if(p == 0 || p == 3)
{
return (phase == 4);
}
else return (phase > 4);
}
);
}
}
gl.Disable(Capability::Blend);
gl.Disable(Functionality::ClipDistance, 0);
gl.Enable(Capability::DepthTest);
}
void Update(void)
{
gl.Viewport(size, size);
fbo.Bind(Framebuffer::Target::Draw);
Framebuffer::AttachColorTexture(
Framebuffer::Target::Draw,
1,
holder.CurrentHeightMap(),
0
);
Context::ColorBuffer draw_buffs[2] = {
FramebufferColorAttachment::_0,
FramebufferColorAttachment::_1
};
gl.DrawBuffers(draw_buffs);
prog.Use();
prog.tex_1.Set(holder.TexUnit1());
prog.tex_2.Set(holder.TexUnit2());
prog.new_drop.Set(std::rand()%size, std::rand()%size);
vao.Bind();
gl.DrawArrays(PrimitiveType::Points, 0, 1);
holder.Swap();
}
void Context::makeCurrent(egl::Surface *surface)
{
ASSERT(surface != nullptr);
if (!mHasBeenCurrent)
{
initRendererString();
initExtensionStrings();
mState.setViewportParams(0, 0, surface->getWidth(), surface->getHeight());
mState.setScissorParams(0, 0, surface->getWidth(), surface->getHeight());
mHasBeenCurrent = true;
}
// Update default framebuffer
Framebuffer *defaultFBO = mFramebufferMap[0];
GLenum drawBufferState = GL_BACK;
defaultFBO->setDrawBuffers(1, &drawBufferState);
defaultFBO->setReadBuffer(GL_BACK);
const FramebufferAttachment *backAttachment = defaultFBO->getAttachment(GL_BACK);
if (backAttachment && backAttachment->getSurface() == surface)
{
// FBO already initialized to the surface.
return;
}
const egl::Config *config = surface->getConfig();
defaultFBO->setAttachment(GL_FRAMEBUFFER_DEFAULT, GL_BACK, ImageIndex::MakeInvalid(), surface);
if (config->depthSize > 0)
{
defaultFBO->setAttachment(GL_FRAMEBUFFER_DEFAULT, GL_DEPTH, ImageIndex::MakeInvalid(), surface);
}
else
{
defaultFBO->resetAttachment(GL_DEPTH);
}
if (config->stencilSize > 0)
{
defaultFBO->setAttachment(GL_FRAMEBUFFER_DEFAULT, GL_STENCIL, ImageIndex::MakeInvalid(), surface);
}
else
{
defaultFBO->resetAttachment(GL_STENCIL);
}
}
void render(Framebuffer& fb, const Rect& rect)
{
if (filled)
{
fb.fill_rect(Rect(Vector2i(d_rect.left + rect.left,
d_rect.top + rect.top),
d_rect.get_size()),
color);
}
else
{
fb.draw_rect(Rect(Vector2i(d_rect.left + rect.left,
d_rect.top + rect.top),
d_rect.get_size()),
color);
}
}
Framebuffer *RegisterFramebuffer(IO::Framebuffer *source)
{
Framebuffer *framebuffer = _framebufferMap->GetObjectForKey<Framebuffer>(source);
if(framebuffer)
return framebuffer;
size_t index = (_framebufferCounter ++);
framebuffer = Framebuffer::Alloc()->Init(index, source);
if(framebuffer)
{
_framebufferMap->SetObjectForKey(framebuffer, source);
framebuffer->Release();
}
return framebuffer;
}
void GL_APIENTRY DrawBuffersEXT(GLsizei n, const GLenum *bufs)
{
EVENT("(GLenum n = %d, bufs = 0x%0.8p)", n, bufs);
Context *context = GetValidGlobalContext();
if (context)
{
if (!ValidateDrawBuffers(context, n, bufs))
{
return;
}
Framebuffer *framebuffer = context->getState().getDrawFramebuffer();
ASSERT(framebuffer);
framebuffer->setDrawBuffers(n, bufs);
}
}
void
SpriteImpl::render(int x, int y, Framebuffer& fb)
{
fb.draw_surface(framebuffer_surface,
Rect(frame_pos + Vector2i(frame_size.width * (frame%array.width),
frame_size.height * (frame/array.width)),
frame_size),
Vector2i(x - offset.x, y - offset.y));
}
void Render(double time)
{
auto camera =
CamMatrixf::Roll(Degrees(SineWave(time / 11.0)*7+SineWave(time/13.0)*5))*
CamMatrixf::Orbiting(
Vec3f(),
40.0f,
Degrees(SineWave(time / 11.0)*10+CosineWave(time/19.0)*10-90),
Degrees(SineWave(time / 17.0)*10+SineWave(time/13.0)*10)
);
auto mm_identity = ModelMatrixf();
auto mm_rotation = ModelMatrixf::RotationZ(FullCircles(time / 7.0));
Uniform<Mat4f>* model_matrix = nullptr;
GLuint drawing_fan = fan_index;
auto drawing_driver =
[
&model_matrix,
&mm_identity,
&mm_rotation,
&drawing_fan
](GLuint phase) -> bool
{
if(phase == drawing_fan)
model_matrix->Set(mm_rotation);
else model_matrix->Set(mm_identity);
return true;
};
// render the light mask
light_fbo.Bind(Framebuffer::Target::Draw);
gl.Clear().ColorBuffer().DepthBuffer();
mask_vao.Bind();
mask_prog.Use();
mask_prog.camera_matrix.Set(camera);
model_matrix = &mask_prog.model_matrix;
meshes.Draw(drawing_driver);
// render the final image
DefaultFramebuffer().Bind(Framebuffer::Target::Draw);
gl.Clear().ColorBuffer().DepthBuffer();
draw_vao.Bind();
draw_prog.Use();
Vec4f lsp = projection * camera * Vec4f(light_position, 1.0);
draw_prog.light_screen_pos = lsp.xyz()/lsp.w();
draw_prog.camera_matrix.Set(camera);
model_matrix = &draw_prog.model_matrix;
meshes.Draw(drawing_driver);
}