void CCDirectRenderer::drawRenderPass(DrawingFrame& frame, const CCRenderPass* renderPass)
{
if (!useRenderPass(frame, renderPass))
return;
frame.scissorRectInRenderPassSpace = frame.currentRenderPass->outputRect();
if (frame.rootDamageRect != frame.rootRenderPass->outputRect()) {
WebTransformationMatrix inverseTransformToRoot = frame.currentRenderPass->transformToRootTarget().inverse();
frame.scissorRectInRenderPassSpace.intersect(CCMathUtil::projectClippedRect(inverseTransformToRoot, frame.rootDamageRect));
}
enableScissorTestRect(moveScissorToWindowSpace(frame, frame.scissorRectInRenderPassSpace));
clearFramebuffer(frame);
const CCQuadList& quadList = renderPass->quadList();
for (CCQuadList::constBackToFrontIterator it = quadList.backToFrontBegin(); it != quadList.backToFrontEnd(); ++it) {
FloatRect quadScissorRect = frame.scissorRectInRenderPassSpace;
quadScissorRect.intersect(it->get()->clippedRectInTarget());
if (!quadScissorRect.isEmpty()) {
enableScissorTestRect(moveScissorToWindowSpace(frame, quadScissorRect));
drawQuad(frame, it->get());
}
}
CachedTexture* texture = m_renderPassTextures.get(renderPass->id());
if (texture)
texture->setIsComplete(!renderPass->hasOcclusionFromOutsideTargetSurface());
}
void display (void)
{
int i;
int j;
clearFramebuffer ();
for (i = 0;i < ImageH; i++)
{
for (j = 0; j < ImageW; j++)
{
rayCast (i, j);
}
}
drawit ();
}
void init(void)
{
clearFramebuffer();
}
void init (void)
{
eye.x = 400;
eye.y = 400;
eye.z = 0;
if (state == 0)
{
// Sphere 1
Color color;
color.r = 0;
color.g = 1;
color.b = 1;
R3Vector center;
center.x = 100;
center.y = 100;
center.z = FILM_WALL_Z + 200;
Material material;
material.k_a = 0.2;
material.k_d = 0.3;
material.k_s = 0.6;
material.n = 100;
material.k_r = 0.1;
Sphere * sphere1 = new Sphere (center, 100, color, material);
objs.push_back (sphere1);
color.r = 1;
color.g = 1;
color.b = 1;
center.y = 50;
center.z = FILM_WALL_Z + 400;
center.x = 400;
material.k_a = 0.5;
material.k_d = 0.0;
material.k_s = 0;
material.n = 10;
material.k_r = 0.0;
Sphere * sphere2 = new Sphere (center, 50, color, material);
objs.push_back (sphere2);
center.x = 500;
material.k_a = 0.4;
material.k_d = 0.5;
material.k_s = 0.0;
material.n = 10;
material.k_r = 0.0;
Sphere * sphere3 = new Sphere (center, 50, color, material);
objs.push_back (sphere3);
center.x = 600;
material.k_a = 0.4;
material.k_d = 0.5;
material.k_s = 0.5;
material.n = 10;
material.k_r = 0.0;
Sphere * sphere4 = new Sphere (center, 50, color, material);
objs.push_back (sphere4);
center.x = 700;
material.k_a = 0.4;
material.k_d = 0.5;
material.k_s = 0.5;
material.n = 10;
material.k_r = 0.5;
Sphere * sphere5 = new Sphere (center, 50, color, material);
objs.push_back (sphere5);
// Walls
color.r = .7;
color.g = .7;
color.b = .7;
center.x = 0;
center.y = 0;
center.z = FILM_WALL_Z;
material.k_a = 0.3;
material.k_d = 0.7;
material.k_s = 0;
R3Vector normal;
normal.x = 1;
normal.y = 0;
normal.z = 0;
material.n = 2;
material.k_r = 0;
// left plane
Plane * plane1 = new Plane (center, color, material, normal);
objs.push_back (plane1);
// floor plane
normal.x = 0;
normal.y = 1;
normal.z = 0;
Plane * plane2 = new Plane (center, color, material, normal);
objs.push_back (plane2);
center.x = 800;
center.y = 800;
// ceiling
normal.x = 0;
normal.y = -1;
normal.z = 0;
Plane * plane3 = new Plane (center, color, material, normal);
objs.push_back (plane3);
// right plane
normal.x = -1;
normal.y = 0;
normal.z = 0;
Plane * plane4 = new Plane (center, color, material, normal);
objs.push_back (plane4);
// back plane
material.k_r = 1;
material.k_a = 0;
material.k_d = 0;
material.k_s = 0;
center.z = FILM_WALL_Z + 1000;
normal.x = 0;
normal.y = 0;
normal.z = -1;
Plane * plane5 = new Plane (center, color, material, normal);
objs.push_back (plane5);
material.k_r = 0;
// Light
color.r = 255 / 255;
color.g = 214.0 / 255;
color.b = 170.0 / 255;
center.x = 400;
center.y = 790;
center.z = FILM_WALL_Z + 100;
material.k_a = 1;
material.k_d = 0;
material.k_s = 0;
Light * light1 = new Light (center, color);
lights.push_back (light1);
objs.push_back (light1);
color.r = 0.5;
color.g = 70.0 / 255;
color.b = 0;
center.x = 400;
center.y = 20;
center.z = FILM_WALL_Z;
material.k_a = 2;
material.k_d = 0;
material.k_s = 0;
Light * light2 = new Light (center, color);
lights.push_back (light2);
objs.push_back (light2);
}
else
{
Color color;
R3Vector center;
center.x = 0;
center.y = 0;
center.z = FILM_WALL_Z;
Material material;
material.k_a = 0;
material.k_d = .1;
material.k_s = .1;
material.k_r = .7;
material.n = 2;
R3Vector normal;
// floor
color.r = 0;
color.g = 1;
color.b = 0;
normal.x = 0;
normal.y = 1;
normal.z = 0;
Plane * plane2 = new Plane (center, color, material, normal);
objs.push_back (plane2);
// right plane
center.x = 400;
center.y = 800 * (sqrt (3) / 2);
color.r = 0;
color.g = 0;
color.b = 1;
normal.x = -sqrt (3);
normal.y = -1;
normal.z = 0;
normalize (&normal);
Plane * plane3 = new Plane (center, color, material, normal);
objs.push_back (plane3);
// left plane
color.r = 1;
color.g = 0;
color.b = 0;
normal.x = sqrt (3);
normal.y = -1;
normal.z = 0;
normalize (&normal);
Plane * plane1 = new Plane (center, color, material, normal);
objs.push_back (plane1);
// bacl plane
color.r = .8;
color.g = .8;
color.b = .8;
material.k_r = 0;
material.k_a = 1;
material.k_d = 0;
material.k_s = 0;
center.z = FILM_WALL_Z + 5000;
normal.x = 0;
normal.y = 0;
normal.z = -1;
Plane * plane5 = new Plane (center, color, material, normal);
objs.push_back (plane5);
material.k_r = 0;
color.r = 1;
color.g = 0;
color.b = 0;
center.x = 400;
center.y = 800 * (sqrt (3) / 4) + 50;
center.z = FILM_WALL_Z + 4900;
material.k_a = 1;
material.k_d = 0.6;
material.k_s = 0.6;
material.n = 3;
material.k_r = 0;
Sphere * sphere1 = new Sphere (center, 100, color, material);
objs.push_back (sphere1);
color.r = 0;
color.g = 1;
color.b = 0;
center.x = 400 - 100;
center.y = 800 * (sqrt (3) / 4) - 100;
center.z = FILM_WALL_Z + 4900;
material.k_a = 1;
material.k_d = 0.6;
material.k_s = 0.6;
material.n = 3;
material.k_r = 0;
Sphere * sphere2 = new Sphere (center, 100, color, material);
objs.push_back (sphere2);
color.r = 0;
color.g = 0;
color.b = 1;
center.x = 400 + 100;
center.y = 800 * (sqrt (3) / 4) - 100;
center.z = FILM_WALL_Z + 4900;
material.k_a = 1;
material.k_d = 0.6;
material.k_s = 0.6;
material.n = 3;
material.k_r = 0;
Sphere * sphere3 = new Sphere (center, 100, color, material);
objs.push_back (sphere3);
// Light
color.r = 0.3;
color.g = 0.3;
color.b = 0.3;
center.x = 400;
center.y = 800 * (sqrt (3) / 4);
center.z = FILM_WALL_Z - 4900;
material.k_a = 1;
material.k_d = 0;
material.k_s = 0;
Light * light1 = new Light (center, color);
lights.push_back (light1);
objs.push_back (light1);
}
Color color;
R3Vector center;
color.r = 1;
color.g = 1;
color.b = 1;
center.x = 400;
center.y = 0;
center.z = 0;
ambient_light = new Light (center, color);
clearFramebuffer ();
}
bool DrawingBuffer::reset(const IntSize& newSize)
{
#if 0
if (!m_context)
return false;
m_context->makeContextCurrent();
int maxTextureSize = 0;
m_context->getIntegerv(GraphicsContext3D::MAX_TEXTURE_SIZE, &maxTextureSize);
if (newSize.height() > maxTextureSize || newSize.width() > maxTextureSize) {
clear();
return false;
}
const GraphicsContext3D::Attributes& attributes = m_context->getContextAttributes();
if (newSize != m_size) {
m_size = newSize;
unsigned long internalColorFormat, colorFormat, internalRenderbufferFormat;
if (attributes.alpha) {
internalColorFormat = GraphicsContext3D::RGBA;
colorFormat = GraphicsContext3D::RGBA;
internalRenderbufferFormat = Extensions3D::RGBA8_OES;
} else {
internalColorFormat = GraphicsContext3D::RGB;
colorFormat = GraphicsContext3D::RGB;
internalRenderbufferFormat = Extensions3D::RGB8_OES;
}
// resize multisample FBO
if (multisample()) {
int maxSampleCount = 0;
m_context->getIntegerv(Extensions3D::MAX_SAMPLES, &maxSampleCount);
int sampleCount = std::min(8, maxSampleCount);
m_context->bindFramebuffer(GraphicsContext3D::FRAMEBUFFER, m_multisampleFBO);
m_context->bindRenderbuffer(GraphicsContext3D::RENDERBUFFER, m_multisampleColorBuffer);
m_context->getExtensions()->renderbufferStorageMultisample(GraphicsContext3D::RENDERBUFFER, sampleCount, internalRenderbufferFormat, m_size.width(), m_size.height());
m_context->framebufferRenderbuffer(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::COLOR_ATTACHMENT0, GraphicsContext3D::RENDERBUFFER, m_multisampleColorBuffer);
resizeDepthStencil(sampleCount);
if (m_context->checkFramebufferStatus(GraphicsContext3D::FRAMEBUFFER) != GraphicsContext3D::FRAMEBUFFER_COMPLETE) {
// Cleanup
clear();
return false;
}
}
// resize regular FBO
m_context->bindFramebuffer(GraphicsContext3D::FRAMEBUFFER, m_fbo);
m_context->bindTexture(GraphicsContext3D::TEXTURE_2D, m_colorBuffer);
m_context->texImage2DResourceSafe(GraphicsContext3D::TEXTURE_2D, 0, internalColorFormat, m_size.width(), m_size.height(), 0, colorFormat, GraphicsContext3D::UNSIGNED_BYTE);
m_context->framebufferTexture2D(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::COLOR_ATTACHMENT0, GraphicsContext3D::TEXTURE_2D, m_colorBuffer, 0);
m_context->bindTexture(GraphicsContext3D::TEXTURE_2D, 0);
if (!multisample())
resizeDepthStencil(0);
if (m_context->checkFramebufferStatus(GraphicsContext3D::FRAMEBUFFER) != GraphicsContext3D::FRAMEBUFFER_COMPLETE) {
// Cleanup
clear();
return false;
}
}
clearFramebuffer();
didReset();
#endif
return true;
}
bool DrawingBuffer::reset(const IntSize& newSize)
{
if (!m_context)
return false;
m_context->makeContextCurrent();
int maxTextureSize = 0;
m_context->getIntegerv(GraphicsContext3D::MAX_TEXTURE_SIZE, &maxTextureSize);
if (newSize.height() > maxTextureSize || newSize.width() > maxTextureSize) {
clear();
return false;
}
int pixelDelta = newSize.width() * newSize.height();
int oldSize = 0;
if (!m_size.isEmpty()) {
oldSize = m_size.width() * m_size.height();
pixelDelta -= oldSize;
}
IntSize adjustedSize = newSize;
if (s_maximumResourceUsePixels) {
while ((s_currentResourceUsePixels + pixelDelta) > s_maximumResourceUsePixels) {
adjustedSize.scale(s_resourceAdjustedRatio);
if (adjustedSize.isEmpty()) {
clear();
return false;
}
pixelDelta = adjustedSize.width() * adjustedSize.height();
pixelDelta -= oldSize;
}
}
const GraphicsContext3D::Attributes& attributes = m_context->getContextAttributes();
if (adjustedSize != m_size) {
unsigned internalColorFormat, colorFormat, internalRenderbufferFormat;
if (attributes.alpha) {
internalColorFormat = GraphicsContext3D::RGBA;
colorFormat = GraphicsContext3D::RGBA;
internalRenderbufferFormat = Extensions3D::RGBA8_OES;
} else {
internalColorFormat = GraphicsContext3D::RGB;
colorFormat = GraphicsContext3D::RGB;
internalRenderbufferFormat = Extensions3D::RGB8_OES;
}
do {
m_size = adjustedSize;
// resize multisample FBO
if (multisample()) {
int maxSampleCount = 0;
m_context->getIntegerv(Extensions3D::MAX_SAMPLES, &maxSampleCount);
int sampleCount = std::min(4, maxSampleCount);
m_context->bindFramebuffer(GraphicsContext3D::FRAMEBUFFER, m_multisampleFBO);
m_context->bindRenderbuffer(GraphicsContext3D::RENDERBUFFER, m_multisampleColorBuffer);
m_context->getExtensions()->renderbufferStorageMultisample(GraphicsContext3D::RENDERBUFFER, sampleCount, internalRenderbufferFormat, m_size.width(), m_size.height());
m_context->framebufferRenderbuffer(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::COLOR_ATTACHMENT0, GraphicsContext3D::RENDERBUFFER, m_multisampleColorBuffer);
resizeDepthStencil(sampleCount);
if (m_context->checkFramebufferStatus(GraphicsContext3D::FRAMEBUFFER) != GraphicsContext3D::FRAMEBUFFER_COMPLETE) {
adjustedSize.scale(s_resourceAdjustedRatio);
continue;
}
}
// resize regular FBO
m_context->bindFramebuffer(GraphicsContext3D::FRAMEBUFFER, m_fbo);
m_context->bindTexture(GraphicsContext3D::TEXTURE_2D, m_colorBuffer);
m_context->texImage2D(GraphicsContext3D::TEXTURE_2D, 0, internalColorFormat, m_size.width(), m_size.height(), 0, colorFormat, GraphicsContext3D::UNSIGNED_BYTE, 0);
m_context->framebufferTexture2D(GraphicsContext3D::FRAMEBUFFER, GraphicsContext3D::COLOR_ATTACHMENT0, GraphicsContext3D::TEXTURE_2D, m_colorBuffer, 0);
// resize the backing color buffer
if (m_separateBackingTexture) {
m_context->bindTexture(GraphicsContext3D::TEXTURE_2D, m_backingColorBuffer);
m_context->texImage2D(GraphicsContext3D::TEXTURE_2D, 0, internalColorFormat, m_size.width(), m_size.height(), 0, colorFormat, GraphicsContext3D::UNSIGNED_BYTE, 0);
}
m_context->bindTexture(GraphicsContext3D::TEXTURE_2D, 0);
if (!multisample())
resizeDepthStencil(0);
if (m_context->checkFramebufferStatus(GraphicsContext3D::FRAMEBUFFER) == GraphicsContext3D::FRAMEBUFFER_COMPLETE)
break;
adjustedSize.scale(s_resourceAdjustedRatio);
} while (!adjustedSize.isEmpty());
pixelDelta = m_size.width() * m_size.height();
pixelDelta -= oldSize;
s_currentResourceUsePixels += pixelDelta;
if (!newSize.isEmpty() && adjustedSize.isEmpty()) {
clear();
return false;
}
}
clearFramebuffer();
return true;
}
