mirrors/bgfx
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Cleanup.

Browse Source
This commit is contained in:
Branimir Karadžić 2018-03-10 14:27:32 -08:00
parent b8040bd24a
commit 969cc7c8b8
1 changed files with 16 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
examples/37-gpudrivenrendering/gpudrivenrendering.cpp
View File

@ -898,28 +898,28 @@ public:
uint32_t width = m_hiZwidth;
uint32_t height = m_hiZheight;
for (uint8_t i = 0; i < m_noofHiZMips; i++)
for (uint8_t lod = 0; lod < m_noofHiZMips; ++lod)
{
float coordinateScale = i > 0 ? 2.0f : 1.0f;
float coordinateScale = lod > 0 ? 2.0f : 1.0f;
float inputRendertargetSize[4] = { (float)width, (float)height, coordinateScale, coordinateScale };
bgfx::setUniform(u_inputRTSize, inputRendertargetSize);
if (i > 0)
if (lod > 0)
{
// down scale mip 1 onwards
width /= 2;
height /= 2;
bgfx::setImage(0, getTexture(m_hiZBuffer, 0), i - 1, bgfx::Access::Read);
bgfx::setImage(1, getTexture(m_hiZBuffer, 0), i, bgfx::Access::Write);
bgfx::setImage(0, getTexture(m_hiZBuffer, 0), lod - 1, bgfx::Access::Read);
bgfx::setImage(1, getTexture(m_hiZBuffer, 0), lod, bgfx::Access::Write);
}
else
{
// copy mip zero over to the hi Z buffer.
// We can't currently use blit as it requires same format and CopyResource is not exposed.
bgfx::setImage(0, getTexture(m_hiZDepthBuffer, 0), 0, bgfx::Access::Read);
bgfx::setImage(1, getTexture(m_hiZBuffer, 0), 0, bgfx::Access::Write);
bgfx::setImage(1, getTexture(m_hiZBuffer, 0), 0, bgfx::Access::Write);
}
bgfx::dispatch(RENDER_PASS_HIZ_DOWNSCALE_ID, m_programDownscaleHiZ, width/16, height/16);
@ -930,11 +930,11 @@ public:
void renderOccludePropsPass()
{
// run the computer shader to determine visibility of each instance
bgfx::setTexture(0, s_texOcclusionDepthIn, bgfx::getTexture(m_hiZBuffer));
bgfx::setImage(0, bgfx::getTexture(m_hiZBuffer, 0), 0, bgfx::Access::Read);
bgfx::setBuffer(1, m_instanceBoundingBoxes, bgfx::Access::Read);
bgfx::setBuffer(1, m_instanceBoundingBoxes, bgfx::Access::Read);
bgfx::setBuffer(2, m_drawcallInstanceCounts, bgfx::Access::ReadWrite);
bgfx::setBuffer(3, m_instancePredicates, bgfx::Access::Write);
bgfx::setBuffer(3, m_instancePredicates, bgfx::Access::Write);
float inputRendertargetSize[4] = { (float)m_hiZwidth, (float)m_hiZheight, 1.0f/ m_hiZwidth, 1.0f/ m_hiZheight };
bgfx::setUniform(u_inputRTSize, inputRendertargetSize);
@ -942,7 +942,13 @@ public:
// store a rounded-up, power of two instance count for the stream compaction step
float noofInstancesPowOf2 = bx::pow(2.0f, bx::floor(bx::log(m_totalInstancesCount) / bx::log(2.0f) ) + 1.0f);
float cullingConfig[4] = { (float)m_totalInstancesCount, noofInstancesPowOf2 , (float)m_noofHiZMips, (float)m_noofProps };
float cullingConfig[4] =
{
(float)m_totalInstancesCount,
noofInstancesPowOf2,
(float)m_noofHiZMips,
(float)m_noofProps
};
bgfx::setUniform(u_cullingConfig, cullingConfig);
//set the view/projection transforms so that the compute shader can receive the viewProjection matrix automagically