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Moved fpumath to bx.

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This commit is contained in:
Branimir Karadžić
2014-05-26 19:31:37 -07:00
parent 92190fcbbf
commit 02e549bfec
27 changed files with 274 additions and 846 deletions
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136
examples/16-shadowmaps/shadowmaps.cpp
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@@ -12,9 +12,9 @@
#include <bgfx.h>
#include <bx/timer.h>
#include <bx/readerwriter.h>
#include <bx/fpumath.h>
#include "entry/entry.h"
#include "camera.h"
#include "fpumath.h"
#include "imgui/imgui.h"
#define RENDERVIEW_SHADOWMAP_0_ID 1
@@ -479,7 +479,7 @@ struct Light
void computeViewSpaceComponents(float* _viewMtx)
{
vec4MulMtx(m_position_viewSpace, m_position.m_v, _viewMtx);
bx::vec4MulMtx(m_position_viewSpace, m_position.m_v, _viewMtx);
float tmp[] =
{
@@ -488,7 +488,7 @@ struct Light
, m_spotDirectionInner.m_z
, 0.0f
};
vec4MulMtx(m_spotDirectionInner_viewSpace, tmp, _viewMtx);
bx::vec4MulMtx(m_spotDirectionInner_viewSpace, tmp, _viewMtx);
m_spotDirectionInner_viewSpace[3] = m_spotDirectionInner.m_v[3];
}
@@ -1235,7 +1235,7 @@ void worldSpaceFrustumCorners(float* _corners24f
float (*out)[3] = (float(*)[3])_corners24f;
for (uint8_t ii = 0; ii < numCorners; ++ii)
{
vec3MulMtx( (float*)&out[ii], (float*)&corners[ii], _invViewMtx);
bx::vec3MulMtx( (float*)&out[ii], (float*)&corners[ii], _invViewMtx);
}
}
@@ -2074,7 +2074,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
const float camFar = 2000.0f;
const float projHeight = 1.0f/tanf(camFovy*( (float)M_PI/180.0f)*0.5f);
const float projWidth = projHeight * 1.0f/camAspect;
mtxProj(viewState.m_proj, camFovy, camAspect, camNear, camFar);
bx::mtxProj(viewState.m_proj, camFovy, camAspect, camNear, camFar);
cameraGetViewMtx(viewState.m_view);
float timeAccumulatorLight = 0.0f;
@@ -2293,7 +2293,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
// Setup instance matrices.
float mtxFloor[16];
const float floorScale = 550.0f;
mtxSRT(mtxFloor
bx::mtxSRT(mtxFloor
, floorScale //scaleX
, floorScale //scaleY
, floorScale //scaleZ
@@ -2306,7 +2306,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
);
float mtxBunny[16];
mtxSRT(mtxBunny
bx::mtxSRT(mtxBunny
, 5.0f
, 5.0f
, 5.0f
@@ -2319,7 +2319,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
);
float mtxHollowcube[16];
mtxSRT(mtxHollowcube
bx::mtxSRT(mtxHollowcube
, 2.5f
, 2.5f
, 2.5f
@@ -2332,7 +2332,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
);
float mtxCube[16];
mtxSRT(mtxCube
bx::mtxSRT(mtxCube
, 2.5f
, 2.5f
, 2.5f
@@ -2348,17 +2348,17 @@ int _main_(int /*_argc*/, char** /*_argv*/)
float mtxTrees[numTrees][16];
for (uint8_t ii = 0; ii < numTrees; ++ii)
{
mtxSRT(mtxTrees[ii]
, 2.0f
, 2.0f
, 2.0f
, 0.0f
, float(ii)
, 0.0f
, sin(float(ii)*2.0f*float(M_PI)/float(numTrees) ) * 60.0f
, 0.0f
, cos(float(ii)*2.0f*float(M_PI)/float(numTrees) ) * 60.0f
);
bx::mtxSRT(mtxTrees[ii]
, 2.0f
, 2.0f
, 2.0f
, 0.0f
, float(ii)
, 0.0f
, sinf(float(ii)*2.0f*float(M_PI)/float(numTrees) ) * 60.0f
, 0.0f
, cosf(float(ii)*2.0f*float(M_PI)/float(numTrees) ) * 60.0f
);
}
// Compute transform matrices.
@@ -2369,14 +2369,14 @@ int _main_(int /*_argc*/, char** /*_argv*/)
float screenProj[16];
float screenView[16];
mtxIdentity(screenView);
mtxOrtho(screenProj, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 100.0f);
bx::mtxIdentity(screenView);
bx::mtxOrtho(screenProj, 0.0f, 1.0f, 1.0f, 0.0f, 0.0f, 100.0f);
if (LightType::SpotLight == settings.m_lightType)
{
const float fovy = settings.m_coverageSpotL;
const float aspect = 1.0f;
mtxProj(lightProj[ProjType::Horizontal], fovy, aspect, currentSmSettings->m_near, currentSmSettings->m_far);
bx::mtxProj(lightProj[ProjType::Horizontal], fovy, aspect, currentSmSettings->m_near, currentSmSettings->m_far);
//For linear depth, prevent depth division by variable w-component in shaders and divide here by far plane
if (DepthImpl::Linear == settings.m_depthImpl)
@@ -2386,17 +2386,17 @@ int _main_(int /*_argc*/, char** /*_argv*/)
}
float at[3];
vec3Add(at, pointLight.m_position.m_v, pointLight.m_spotDirectionInner.m_v);
mtxLookAt(lightView[TetrahedronFaces::Green], pointLight.m_position.m_v, at);
bx::vec3Add(at, pointLight.m_position.m_v, pointLight.m_spotDirectionInner.m_v);
bx::mtxLookAt(lightView[TetrahedronFaces::Green], pointLight.m_position.m_v, at);
}
else if (LightType::PointLight == settings.m_lightType)
{
float ypr[TetrahedronFaces::Count][3] =
{
{ toRad( 0.0f), toRad( 27.36780516f), toRad(0.0f) }
,{ toRad(180.0f), toRad( 27.36780516f), toRad(0.0f) }
,{ toRad(-90.0f), toRad(-27.36780516f), toRad(0.0f) }
,{ toRad( 90.0f), toRad(-27.36780516f), toRad(0.0f) }
{ bx::toRad( 0.0f), bx::toRad( 27.36780516f), bx::toRad(0.0f) },
{ bx::toRad(180.0f), bx::toRad( 27.36780516f), bx::toRad(0.0f) },
{ bx::toRad(-90.0f), bx::toRad(-27.36780516f), bx::toRad(0.0f) },
{ bx::toRad( 90.0f), bx::toRad(-27.36780516f), bx::toRad(0.0f) },
};
@@ -2404,9 +2404,9 @@ int _main_(int /*_argc*/, char** /*_argv*/)
{
const float fovx = 143.98570868f + 3.51f + settings.m_fovXAdjust;
const float fovy = 125.26438968f + 9.85f + settings.m_fovYAdjust;
const float aspect = tanf(toRad(fovx*0.5f) )/tanf(toRad(fovy*0.5f) );
const float aspect = tanf(bx::toRad(fovx*0.5f) )/tanf(bx::toRad(fovy*0.5f) );
mtxProj(lightProj[ProjType::Vertical]
bx::mtxProj(lightProj[ProjType::Vertical]
, fovx
, aspect
, currentSmSettings->m_near
@@ -2420,17 +2420,17 @@ int _main_(int /*_argc*/, char** /*_argv*/)
lightProj[ProjType::Vertical][14] /= currentSmSettings->m_far;
}
ypr[TetrahedronFaces::Green][2] = toRad(180.0f);
ypr[TetrahedronFaces::Yellow][2] = toRad( 0.0f);
ypr[TetrahedronFaces::Blue][2] = toRad( 90.0f);
ypr[TetrahedronFaces::Red][2] = toRad(-90.0f);
ypr[TetrahedronFaces::Green ][2] = bx::toRad(180.0f);
ypr[TetrahedronFaces::Yellow][2] = bx::toRad( 0.0f);
ypr[TetrahedronFaces::Blue ][2] = bx::toRad( 90.0f);
ypr[TetrahedronFaces::Red ][2] = bx::toRad(-90.0f);
}
const float fovx = 143.98570868f + 7.8f + settings.m_fovXAdjust;
const float fovy = 125.26438968f + 3.0f + settings.m_fovYAdjust;
const float aspect = tanf(toRad(fovx*0.5f) )/tanf(toRad(fovy*0.5f) );
const float aspect = tanf(bx::toRad(fovx*0.5f) )/tanf(bx::toRad(fovy*0.5f) );
mtxProj(lightProj[ProjType::Horizontal], fovy, aspect, currentSmSettings->m_near, currentSmSettings->m_far);
bx::mtxProj(lightProj[ProjType::Horizontal], fovy, aspect, currentSmSettings->m_near, currentSmSettings->m_far);
//For linear depth, prevent depth division by variable w component in shaders and divide here by far plane
if (DepthImpl::Linear == settings.m_depthImpl)
@@ -2447,12 +2447,12 @@ int _main_(int /*_argc*/, char** /*_argv*/)
float tmp[3] =
{
-vec3Dot(pointLight.m_position.m_v, &mtxTmp[0])
, -vec3Dot(pointLight.m_position.m_v, &mtxTmp[4])
, -vec3Dot(pointLight.m_position.m_v, &mtxTmp[8])
-bx::vec3Dot(pointLight.m_position.m_v, &mtxTmp[0]),
-bx::vec3Dot(pointLight.m_position.m_v, &mtxTmp[4]),
-bx::vec3Dot(pointLight.m_position.m_v, &mtxTmp[8]),
};
mtxTranspose(mtxYpr[ii], mtxTmp);
bx::mtxTranspose(mtxYpr[ii], mtxTmp);
memcpy(lightView[ii], mtxYpr[ii], 12*sizeof(float) );
lightView[ii][12] = tmp[0];
@@ -2471,11 +2471,11 @@ int _main_(int /*_argc*/, char** /*_argv*/)
, -directionalLight.m_position.m_z
};
float at[3] = { 0.0f, 0.0f, 0.0f };
mtxLookAt(lightView[0], eye, at);
bx::mtxLookAt(lightView[0], eye, at);
// Compute camera inverse view mtx.
float mtxViewInv[16];
mtxInverse(mtxViewInv, viewState.m_view);
bx::mtxInverse(mtxViewInv, viewState.m_view);
// Compute split distances.
const uint8_t maxNumSplits = 4;
@@ -2492,7 +2492,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
}
float mtxProj[16];
mtxOrtho(mtxProj, 1.0f, -1.0f, 1.0f, -1.0f, -currentSmSettings->m_far, currentSmSettings->m_far);
bx::mtxOrtho(mtxProj, 1.0f, -1.0f, 1.0f, -1.0f, -currentSmSettings->m_far, currentSmSettings->m_far);
const uint8_t numCorners = 8;
float frustumCorners[maxNumSplits][numCorners][3];
@@ -2508,21 +2508,21 @@ int _main_(int /*_argc*/, char** /*_argv*/)
{
// Transform to light space.
float lightSpaceFrustumCorner[3];
vec3MulMtx(lightSpaceFrustumCorner, frustumCorners[ii][jj], lightView[0]);
bx::vec3MulMtx(lightSpaceFrustumCorner, frustumCorners[ii][jj], lightView[0]);
// Update bounding box.
min[0] = fminf(min[0], lightSpaceFrustumCorner[0]);
max[0] = fmaxf(max[0], lightSpaceFrustumCorner[0]);
min[1] = fminf(min[1], lightSpaceFrustumCorner[1]);
max[1] = fmaxf(max[1], lightSpaceFrustumCorner[1]);
min[2] = fminf(min[2], lightSpaceFrustumCorner[2]);
max[2] = fmaxf(max[2], lightSpaceFrustumCorner[2]);
min[0] = bx::fmin(min[0], lightSpaceFrustumCorner[0]);
max[0] = bx::fmax(max[0], lightSpaceFrustumCorner[0]);
min[1] = bx::fmin(min[1], lightSpaceFrustumCorner[1]);
max[1] = bx::fmax(max[1], lightSpaceFrustumCorner[1]);
min[2] = bx::fmin(min[2], lightSpaceFrustumCorner[2]);
max[2] = bx::fmax(max[2], lightSpaceFrustumCorner[2]);
}
float minproj[3];
float maxproj[3];
vec3MulMtxH(minproj, min, mtxProj);
vec3MulMtxH(maxproj, max, mtxProj);
bx::vec3MulMtxH(minproj, min, mtxProj);
bx::vec3MulMtxH(maxproj, max, mtxProj);
float offsetx, offsety;
float scalex, scaley;
@@ -2548,13 +2548,13 @@ int _main_(int /*_argc*/, char** /*_argv*/)
}
float mtxCrop[16];
mtxIdentity(mtxCrop);
bx::mtxIdentity(mtxCrop);
mtxCrop[ 0] = scalex;
mtxCrop[ 5] = scaley;
mtxCrop[12] = offsetx;
mtxCrop[13] = offsety;
mtxMul(lightProj[ii], mtxCrop, mtxProj);
bx::mtxMul(lightProj[ii], mtxCrop, mtxProj);
}
}
@@ -2976,8 +2976,8 @@ int _main_(int /*_argc*/, char** /*_argv*/)
if (LightType::SpotLight == settings.m_lightType)
{
float mtxTmp[16];
mtxMul(mtxTmp, lightProj[ProjType::Horizontal], mtxBias);
mtxMul(mtxShadow, lightView[0], mtxTmp); //lightViewProjBias
bx::mtxMul(mtxTmp, lightProj[ProjType::Horizontal], mtxBias);
bx::mtxMul(mtxShadow, lightView[0], mtxTmp); //lightViewProjBias
}
else if (LightType::PointLight == settings.m_lightType)
{
@@ -3061,11 +3061,11 @@ int _main_(int /*_argc*/, char** /*_argv*/)
uint8_t biasIndex = cropBiasIndices[settings.m_stencilPack][uint8_t(s_flipV)][ii];
float mtxTmp[16];
mtxMul(mtxTmp, mtxYpr[ii], lightProj[projType]);
mtxMul(shadowMapMtx[ii], mtxTmp, mtxCropBias[settings.m_stencilPack][biasIndex]); //mtxYprProjBias
bx::mtxMul(mtxTmp, mtxYpr[ii], lightProj[projType]);
bx::mtxMul(shadowMapMtx[ii], mtxTmp, mtxCropBias[settings.m_stencilPack][biasIndex]); //mtxYprProjBias
}
mtxTranslate(mtxShadow //lightInvTranslate
bx::mtxTranslate(mtxShadow //lightInvTranslate
, -pointLight.m_position.m_v[0]
, -pointLight.m_position.m_v[1]
, -pointLight.m_position.m_v[2]
@@ -3077,15 +3077,15 @@ int _main_(int /*_argc*/, char** /*_argv*/)
{
float mtxTmp[16];
mtxMul(mtxTmp, lightProj[ii], mtxBias);
mtxMul(shadowMapMtx[ii], lightView[0], mtxTmp); //lViewProjCropBias
bx::mtxMul(mtxTmp, lightProj[ii], mtxBias);
bx::mtxMul(shadowMapMtx[ii], lightView[0], mtxTmp); //lViewProjCropBias
}
}
// Floor.
if (LightType::DirectionalLight != settings.m_lightType)
{
mtxMul(lightMtx, mtxFloor, mtxShadow); //not needed for directional light
bx::mtxMul(lightMtx, mtxFloor, mtxShadow); //not needed for directional light
}
hplaneMesh.submit(RENDERVIEW_DRAWSCENE_0_ID
, mtxFloor
@@ -3096,7 +3096,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
// Bunny.
if (LightType::DirectionalLight != settings.m_lightType)
{
mtxMul(lightMtx, mtxBunny, mtxShadow);
bx::mtxMul(lightMtx, mtxBunny, mtxShadow);
}
bunnyMesh.submit(RENDERVIEW_DRAWSCENE_0_ID
, mtxBunny
@@ -3107,7 +3107,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
// Hollow cube.
if (LightType::DirectionalLight != settings.m_lightType)
{
mtxMul(lightMtx, mtxHollowcube, mtxShadow);
bx::mtxMul(lightMtx, mtxHollowcube, mtxShadow);
}
hollowcubeMesh.submit(RENDERVIEW_DRAWSCENE_0_ID
, mtxHollowcube
@@ -3118,7 +3118,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
// Cube.
if (LightType::DirectionalLight != settings.m_lightType)
{
mtxMul(lightMtx, mtxCube, mtxShadow);
bx::mtxMul(lightMtx, mtxCube, mtxShadow);
}
cubeMesh.submit(RENDERVIEW_DRAWSCENE_0_ID
, mtxCube
@@ -3131,7 +3131,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
{
if (LightType::DirectionalLight != settings.m_lightType)
{
mtxMul(lightMtx, mtxTrees[ii], mtxShadow);
bx::mtxMul(lightMtx, mtxTrees[ii], mtxShadow);
}
treeMesh.submit(RENDERVIEW_DRAWSCENE_0_ID
, mtxTrees[ii]
@@ -3156,7 +3156,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
// Draw floor bottom.
float floorBottomMtx[16];
mtxSRT(floorBottomMtx
bx::mtxSRT(floorBottomMtx
, floorScale //scaleX
, floorScale //scaleY
, floorScale //scaleZ