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git-svn-id: svn://db.shs.com.ru/libs@656 a8b55f48-bf90-11e4-a774-851b48703e85

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Пелипенко Иван
2019-12-06 10:27:33 +00:00
parent edfe165f90
commit fa5c3e9b3d
13 changed files with 209 additions and 57 deletions
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106
qglengine/renderer.cpp
View File

@@ -29,9 +29,13 @@ using namespace QGLEngineShaders;
Renderer::Renderer(QGLView * view_): RendererBase(view_),
fbo_ds (view_, QVector<GLenum>() << GL_RGBA16F << GL_RGBA32F << GL_RGBA16F << GL_RGBA16F << GL_RGBA16F),
fbo_out (view_, 3, false, GL_RGBA16F),
fbo_hsmall (view_, 1, false, GL_RGB16F ),
fbo_out (view_, 6, false, GL_RGBA16F),
fbo_small_4 (view_, 1, false, GL_RGBA16F),
fbo_small_16 (view_, 1, false, GL_RGBA16F),
fbo_1x1 (view_, 1, false, GL_RGB32F ),
buffer_vbo(GL_ARRAY_BUFFER, GL_DYNAMIC_DRAW),
rend_mat(this), rend_service(this), rend_selection(this) {
shader_sum = 0;
quad = Primitive::plane(2., 2.);
cam_light = new Light();
cam_light->intensity = 0.75;
@@ -50,6 +54,7 @@ Renderer::Renderer(QGLView * view_): RendererBase(view_),
shader_files[srLightOmniPass] = "ds_light.glsl";
shader_files[srLightSpotPass] = "ds_light.glsl"; shader_defines[srLightSpotPass] << "SPOT";
shader_files[srFinalPass ] = "ds_final.glsl";
shader_files[srTonemapPass ] = "ds_tonemap.glsl";
/*shaders << ShaderPair("FXAA", &shader_fxaa)
<< ShaderPair("dsl_pass_0", &shader_ds_0)
@@ -76,10 +81,13 @@ Renderer::~Renderer() {
delete quad;
delete cam_light;
qDeleteAll(shaders.values());
if (shader_sum) delete shader_sum;
}
void Renderer::init(int width, int height) {
prepareSum();
fbo_1x1.resize(1, 1);
resize(width, height);
rend_mat.init(width, height);
rend_service.init(width, height);
@@ -96,16 +104,20 @@ void Renderer::resize(int width, int height) {
rend_selection.resize(width, height);
fbo_ds .resize(width, height);
fbo_out .resize(width, height);
fbo_hsmall .resize(width / 16, height / 16);
fbo_small_4 .resize(width / 4 , height / 4 );
fbo_small_16 .resize(width / 16, height / 16);
resizeSum();
}
void Renderer::reloadShaders() {
QMapIterator<ShaderRole, QString> it(shader_files);
QString dir = "shaders/";
while (it.hasNext()) {
it.next();
loadShadersMulti(shaders[it.key()], "shaders/" + it.value(), shader_defines.value(it.key()));
loadShadersMulti(shaders[it.key()], dir + it.value(), true, shader_defines.value(it.key()));
}
loadShadersMulti(shader_sum, dir + "sum.glsl", false);
need_init_shaders = true;
view->scene()->setLightsChanged();
view->scene()->setTreeStructChanged();
@@ -144,6 +156,10 @@ void Renderer::initShaders() {
for (int i = 0; i < 5; ++i)
prog->setUniformValue(QString("tex_%1").arg(i).toLatin1().constData(), i);
}
if (bindShader(srTonemapPass, &prog)) {
prog->setUniformValue("tex_0", 0);
prog->setUniformValue("tex_sum", 1);
}
}
@@ -197,6 +213,62 @@ void Renderer::renderObjects(Scene & scene, RenderPass pass) {
}
void Renderer::prepareSum() {
QOpenGLExtraFunctions * f = view;
buffer_vbo.init(f);
f->glGenVertexArrays(1, &vbo_vao);
f->glBindVertexArray(vbo_vao);
buffer_vbo.bind(f);
f->glEnableVertexAttribArray(1);
f->glVertexAttribIPointer(1, 2, GL_UNSIGNED_INT, 0, 0);
buffer_vbo.release(f);
f->glBindVertexArray(0);
}
void Renderer::resizeSum() {
QOpenGLExtraFunctions * f = view;
int pcnt = fbo_small_16.width() * fbo_small_16.height();
QVector<Vector2i> _data;
_data.resize(pcnt);
pcnt = -1;
for (int x = 0; x < fbo_small_16.width(); ++x)
for (int y = 0; y < fbo_small_16.height(); ++y)
_data[++pcnt] = Vector2i(x,y);
buffer_vbo.bind(f);
buffer_vbo.resize(f, _data.size() * sizeof(Vector2i));
buffer_vbo.load(f, _data.constData(), _data.size() * sizeof(Vector2i));
}
void Renderer::renderSum(Framebuffer & fbo_src, int index) {
QOpenGLExtraFunctions * f = view;
int pcnt = fbo_src.width() * fbo_src.height();
fbo_src.bindColorTexture(index);
fbo_1x1.bind();
//glClearFramebuffer(Qt::white, false);
glClearFramebuffer();
if (shader_sum) {
if (shader_sum->isLinked()) {
if (shader_sum->bind()) {
shader_sum->setUniformValue("tex", 0);
shader_sum->setUniformValue("pcnt", float(pcnt));
f->glBindVertexArray(vbo_vao);
f->glEnable(GL_BLEND);
f->glBlendFunc(GL_ONE, GL_ONE);
f->glBlendEquation(GL_MAX);
f->glDrawArrays(GL_POINTS, 0, pcnt);
f->glBlendEquation(GL_FUNC_ADD);
f->glDisable(GL_BLEND);
f->glBindVertexArray(0);
}
}
}
fbo_1x1.release();
//fbo_src.bind();
}
void Renderer::renderScene() {
initShaders();
QOpenGLExtraFunctions * f = view;
@@ -255,7 +327,7 @@ void Renderer::renderScene() {
fbo_ds.bindColorTextures();
fbo_ds.bindDepthTexture(5);
fbo_out.bind();
int ri = 1, wi = 0;
//int ri = 1, wi = 0;
typedef QPair<Renderer::ShaderRole, Light::Type> PassPair;
QVector<PassPair> passes;
passes << PassPair(srLightOmniPass, Light::Omni) << PassPair(srLightSpotPass, Light::Cone);
@@ -265,26 +337,38 @@ void Renderer::renderScene() {
setUniformViewCorners(prog, cam);
prog->setUniformValue("lights_start", lights_start[pass.second]);
prog->setUniformValue("lights_count", ll[pass.second].size());
fbo_out.setWriteBuffer(1 + pass.second);
fbo_out.setWriteBuffer(obrSolidOmni + pass.second);
glClearFramebuffer(Qt::black, false);
renderQuad(prog, quad, cam);
}
}
if (bindShader(srFinalPass, &prog)) {
fbo_out.bindColorTexture(1, 0);
fbo_out.bindColorTexture(2, 1);
fbo_out.setWriteBuffer(0);
fbo_out.bindColorTexture(obrSolidOmni, 0);
fbo_out.bindColorTexture(obrSolidSpot, 1);
fbo_out.setWriteBuffer(obrSum);
renderQuad(prog, quad);
}
fbo_out.blit(obrSum, fbo_small_4.id(), 0, fbo_out.rect(), fbo_small_4.rect(), GL_COLOR_BUFFER_BIT, GL_LINEAR);
fbo_small_4.blit(0, fbo_small_16.id(), 0, fbo_small_4.rect(), fbo_small_16.rect(), GL_COLOR_BUFFER_BIT, GL_LINEAR);
renderSum(fbo_small_16, 0);
fbo_out.bind();
if (bindShader(srTonemapPass, &prog)) {
fbo_1x1.bindColorTexture(0, 1);
fbo_out.bindColorTexture(obrSum, 0);
fbo_out.setWriteBuffer(obrTonemap);
renderQuad(prog, quad);
} else
fbo_out.blit(obrSum, fbo_out.id(), obrTonemap, fbo_out.rect(), fbo_out.rect());
fbo_out.release();
/// apply hovers and selection frame
if (edit_mode) {
rend_selection.drawSelection(fbo_out, 0);
rend_selection.drawSelection(fbo_out, obrTonemap);
rend_service.renderService();
} else {
fbo_out.blit(0, 0, 0, fbo_out.rect(), QRect(QPoint(), view->size()));
fbo_out.blit(obrTonemap, 0, 0, fbo_out.rect(), QRect(QPoint(), view->size()));
}
//fbo_small_16.blit(0, 0, 0, fbo_small_16.rect(), fbo_small_16.rect(), GL_COLOR_BUFFER_BIT, GL_LINEAR);
}