- hook up main.vp and the data it uses for input

This commit is contained in:
Magnus Norddahl 2019-05-26 01:00:36 +02:00
parent fbaeb11fba
commit 3a3de13abd
10 changed files with 411 additions and 230 deletions

View file

@ -83,29 +83,14 @@ void PolyVertexBuffer::SetFormat(int numBindingPoints, int numAttributes, size_t
mStride = stride;
}
ShadedTriVertex PolyVertexBuffer::Shade(PolyTriangleThreadData *thread, const PolyDrawArgs &drawargs, const void *vertices, int index)
void PolyVertexBuffer::Load(PolyTriangleThreadData *thread, const void *vertices, int index)
{
const uint8_t *vertex = static_cast<const uint8_t*>(vertices) + mStride * index;
const float *attrVertex = reinterpret_cast<const float*>(vertex + mOffsets[VATTR_VERTEX]);
const float *attrTexcoord = reinterpret_cast<const float*>(vertex + mOffsets[VATTR_TEXCOORD]);
Vec4f objpos = Vec4f(attrVertex[0], attrVertex[1], attrVertex[2], 1.0f);
Vec4f clippos = (*thread->objectToClip) * objpos;
ShadedTriVertex sv;
sv.u = attrTexcoord[1];
sv.v = attrTexcoord[0];
sv.x = clippos.X;
sv.y = clippos.Y;
sv.z = clippos.Z;
sv.w = clippos.W;
sv.worldX = objpos.X;
sv.worldY = objpos.Y;
sv.worldZ = objpos.Z;
sv.clipDistance[0] = 1.0f;
sv.clipDistance[1] = 1.0f;
sv.clipDistance[2] = 1.0f;
return sv;
thread->mainVertexShader.aPosition = { attrVertex[0], attrVertex[1], attrVertex[2], 1.0f };
thread->mainVertexShader.aTexCoord = { attrTexcoord[0], attrTexcoord[1] };
}
/////////////////////////////////////////////////////////////////////////////

View file

@ -39,13 +39,13 @@ private:
std::vector<uint32_t> mData;
};
class PolyVertexBuffer : public IVertexBuffer, public PolyBuffer, public PolyVertexShader
class PolyVertexBuffer : public IVertexBuffer, public PolyBuffer, public PolyInputAssembly
{
public:
PolyVertexBuffer() { }
void SetFormat(int numBindingPoints, int numAttributes, size_t stride, const FVertexBufferAttribute *attrs) override;
ShadedTriVertex Shade(PolyTriangleThreadData *thread, const PolyDrawArgs &drawargs, const void *vertices, int index) override;
void Load(PolyTriangleThreadData *thread, const void *vertices, int index) override;
private:
size_t mOffsets[VATTR_MAX] = {};

View file

@ -26,6 +26,7 @@ static PolyDrawMode dtToDrawMode[] =
PolyRenderState::PolyRenderState()
{
mIdentityMatrix.loadIdentity();
Reset();
}
@ -175,23 +176,71 @@ void PolyRenderState::Apply()
auto fb = GetPolyFrameBuffer();
if (mVertexBuffer) PolyTriangleDrawer::SetVertexBuffer(fb->GetDrawCommands(), mVertexBuffer->Memory());
if (mIndexBuffer) PolyTriangleDrawer::SetIndexBuffer(fb->GetDrawCommands(), mIndexBuffer->Memory());
PolyTriangleDrawer::SetVertexShader(fb->GetDrawCommands(), static_cast<PolyVertexBuffer*>(mVertexBuffer));
PolyTriangleDrawer::SetInputAssembly(fb->GetDrawCommands(), static_cast<PolyVertexBuffer*>(mVertexBuffer));
ApplyMatrices();
PolyTriangleDrawer::PushStreamData(fb->GetDrawCommands(), mStreamData, { mClipSplit[0], mClipSplit[1] });
PolyTriangleDrawer::SetTwoSided(fb->GetDrawCommands(), true);
PolyTriangleDrawer::PushConstants(fb->GetDrawCommands(), args);
drawcalls.Unclock();
}
template<typename T>
static void BufferedSet(bool &modified, T &dst, const T &src)
{
if (dst == src)
return;
dst = src;
modified = true;
}
static void BufferedSet(bool &modified, VSMatrix &dst, const VSMatrix &src)
{
if (memcmp(dst.get(), src.get(), sizeof(FLOATTYPE) * 16) == 0)
return;
dst = src;
modified = true;
}
void PolyRenderState::ApplyMatrices()
{
bool modified = mFirstMatrixApply;
if (mTextureMatrixEnabled)
{
BufferedSet(modified, mMatrices.TextureMatrix, mTextureMatrix);
}
else
{
BufferedSet(modified, mMatrices.TextureMatrix, mIdentityMatrix);
}
if (mModelMatrixEnabled)
{
BufferedSet(modified, mMatrices.ModelMatrix, mModelMatrix);
if (modified)
mMatrices.NormalModelMatrix.computeNormalMatrix(mModelMatrix);
}
else
{
BufferedSet(modified, mMatrices.ModelMatrix, mIdentityMatrix);
BufferedSet(modified, mMatrices.NormalModelMatrix, mIdentityMatrix);
}
if (modified)
{
mFirstMatrixApply = false;
PolyTriangleDrawer::PushMatrices(GetPolyFrameBuffer()->GetDrawCommands(), mMatrices.ModelMatrix, mMatrices.NormalModelMatrix, mMatrices.TextureMatrix);
}
}
void PolyRenderState::Bind(PolyDataBuffer *buffer, uint32_t offset, uint32_t length)
{
if (buffer->bindingpoint == VIEWPOINT_BINDINGPOINT)
{
mViewpointUniforms = reinterpret_cast<HWViewpointUniforms*>(static_cast<uint8_t*>(buffer->Memory()) + offset);
Mat4f viewToProj = Mat4f::FromValues(mViewpointUniforms->mProjectionMatrix.get());
Mat4f worldToView = Mat4f::FromValues(mViewpointUniforms->mViewMatrix.get());
auto fb = GetPolyFrameBuffer();
PolyTriangleDrawer::SetTransform(fb->GetDrawCommands(), fb->GetFrameMemory()->NewObject<Mat4f>(viewToProj * worldToView), nullptr);
PolyTriangleDrawer::SetViewpointUniforms(GetPolyFrameBuffer()->GetDrawCommands(), mViewpointUniforms);
}
}

View file

@ -44,6 +44,16 @@ public:
private:
void Apply();
void ApplyMatrices();
struct Matrices
{
VSMatrix ModelMatrix;
VSMatrix NormalModelMatrix;
VSMatrix TextureMatrix;
} mMatrices;
VSMatrix mIdentityMatrix;
bool mFirstMatrixApply = true;
HWViewpointUniforms *mViewpointUniforms = nullptr;

View file

@ -86,9 +86,9 @@ void PolyTriangleDrawer::SetViewport(const DrawerCommandQueuePtr &queue, int x,
queue->Push<PolySetViewportCommand>(viewport_x, viewport_y, viewport_width, viewport_height, dest, dest_width, dest_height, dest_pitch, dest_bgra);
}
void PolyTriangleDrawer::SetVertexShader(const DrawerCommandQueuePtr &queue, PolyVertexShader *shader)
void PolyTriangleDrawer::SetInputAssembly(const DrawerCommandQueuePtr &queue, PolyInputAssembly *input)
{
queue->Push<PolySetVertexShaderCommand>(shader);
queue->Push<PolySetInputAssemblyCommand>(input);
}
void PolyTriangleDrawer::SetTransform(const DrawerCommandQueuePtr &queue, const Mat4f *objectToClip, const Mat4f *objectToWorld)
@ -131,6 +131,21 @@ void PolyTriangleDrawer::PushConstants(const DrawerCommandQueuePtr &queue, const
queue->Push<PolyPushConstantsCommand>(args);
}
void PolyTriangleDrawer::PushStreamData(const DrawerCommandQueuePtr &queue, const StreamData &data, const Vec2f &uClipSplit)
{
queue->Push<PolyPushStreamDataCommand>(data, uClipSplit);
}
void PolyTriangleDrawer::PushMatrices(const DrawerCommandQueuePtr &queue, const VSMatrix &modelMatrix, const VSMatrix &normalModelMatrix, const VSMatrix &textureMatrix)
{
queue->Push<PolyPushMatricesCommand>(modelMatrix, normalModelMatrix, textureMatrix);
}
void PolyTriangleDrawer::SetViewpointUniforms(const DrawerCommandQueuePtr &queue, const HWViewpointUniforms *uniforms)
{
queue->Push<PolySetViewpointUniformsCommand>(uniforms);
}
void PolyTriangleDrawer::Draw(const DrawerCommandQueuePtr &queue, int index, int vcount, PolyDrawMode mode)
{
queue->Push<PolyDrawCommand>(index, vcount, mode);
@ -197,8 +212,8 @@ void PolyTriangleThreadData::SetViewport(int x, int y, int width, int height, ui
void PolyTriangleThreadData::SetTransform(const Mat4f *newObjectToClip, const Mat4f *newObjectToWorld)
{
objectToClip = newObjectToClip;
objectToWorld = newObjectToWorld;
swVertexShader.objectToClip = newObjectToClip;
swVertexShader.objectToWorld = newObjectToWorld;
}
void PolyTriangleThreadData::PushConstants(const PolyDrawArgs &args)
@ -206,6 +221,24 @@ void PolyTriangleThreadData::PushConstants(const PolyDrawArgs &args)
drawargs = args;
}
void PolyTriangleThreadData::PushStreamData(const StreamData &data, const Vec2f &uClipSplit)
{
mainVertexShader.Data = data;
mainVertexShader.uClipSplit = uClipSplit;
}
void PolyTriangleThreadData::PushMatrices(const VSMatrix &modelMatrix, const VSMatrix &normalModelMatrix, const VSMatrix &textureMatrix)
{
mainVertexShader.ModelMatrix = modelMatrix;
mainVertexShader.NormalModelMatrix = normalModelMatrix;
mainVertexShader.TextureMatrix = textureMatrix;
}
void PolyTriangleThreadData::SetViewpointUniforms(const HWViewpointUniforms *uniforms)
{
mainVertexShader.Viewpoint = uniforms;
}
void PolyTriangleThreadData::DrawIndexed(int index, int vcount, PolyDrawMode drawmode)
{
if (vcount < 3)
@ -216,38 +249,41 @@ void PolyTriangleThreadData::DrawIndexed(int index, int vcount, PolyDrawMode dra
TriDrawTriangleArgs args;
args.uniforms = &drawargs;
ShadedTriVertex vert[3];
ShadedTriVertex vertbuffer[3];
ShadedTriVertex *vert[3] = { &vertbuffer[0], &vertbuffer[1], &vertbuffer[2] };
if (drawmode == PolyDrawMode::Triangles)
{
for (int i = 0; i < vcount / 3; i++)
{
for (int j = 0; j < 3; j++)
vert[j] = vertexShader->Shade(this, drawargs, vertices, *(elements++));
*vert[j] = ShadeVertex(*(elements++));
DrawShadedTriangle(vert, ccw, &args);
}
}
else if (drawmode == PolyDrawMode::TriangleFan)
{
vert[0] = vertexShader->Shade(this, drawargs, vertices, *(elements++));
vert[1] = vertexShader->Shade(this, drawargs, vertices, *(elements++));
*vert[0] = ShadeVertex(*(elements++));
*vert[1] = ShadeVertex(*(elements++));
for (int i = 2; i < vcount; i++)
{
vert[2] = vertexShader->Shade(this, drawargs, vertices, *(elements++));
*vert[2] = ShadeVertex(*(elements++));
DrawShadedTriangle(vert, ccw, &args);
vert[1] = vert[2];
std::swap(vert[1], vert[2]);
}
}
else // TriangleDrawMode::TriangleStrip
{
bool toggleccw = ccw;
vert[0] = vertexShader->Shade(this, drawargs, vertices, *(elements++));
vert[1] = vertexShader->Shade(this, drawargs, vertices, *(elements++));
*vert[0] = ShadeVertex(*(elements++));
*vert[1] = ShadeVertex(*(elements++));
for (int i = 2; i < vcount; i++)
{
vert[2] = vertexShader->Shade(this, drawargs, vertices, *(elements++));
*vert[2] = ShadeVertex(*(elements++));
DrawShadedTriangle(vert, toggleccw, &args);
ShadedTriVertex *vtmp = vert[0];
vert[0] = vert[1];
vert[1] = vert[2];
vert[2] = vtmp;
toggleccw = !toggleccw;
}
}
@ -263,116 +299,89 @@ void PolyTriangleThreadData::Draw(int index, int vcount, PolyDrawMode drawmode)
int vinput = index;
ShadedTriVertex vert[3];
ShadedTriVertex vertbuffer[3];
ShadedTriVertex *vert[3] = { &vertbuffer[0], &vertbuffer[1], &vertbuffer[2] };
if (drawmode == PolyDrawMode::Triangles)
{
for (int i = 0; i < vcount / 3; i++)
{
for (int j = 0; j < 3; j++)
vert[j] = vertexShader->Shade(this, drawargs, vertices, vinput++);
*vert[j] = ShadeVertex(vinput++);
DrawShadedTriangle(vert, ccw, &args);
}
}
else if (drawmode == PolyDrawMode::TriangleFan)
{
vert[0] = vertexShader->Shade(this, drawargs, vertices, vinput++);
vert[1] = vertexShader->Shade(this, drawargs, vertices, vinput++);
*vert[0] = ShadeVertex(vinput++);
*vert[1] = ShadeVertex(vinput++);
for (int i = 2; i < vcount; i++)
{
vert[2] = vertexShader->Shade(this, drawargs, vertices, vinput++);
*vert[2] = ShadeVertex(vinput++);
DrawShadedTriangle(vert, ccw, &args);
vert[1] = vert[2];
std::swap(vert[1], vert[2]);
}
}
else // TriangleDrawMode::TriangleStrip
{
bool toggleccw = ccw;
vert[0] = vertexShader->Shade(this, drawargs, vertices, vinput++);
vert[1] = vertexShader->Shade(this, drawargs, vertices, vinput++);
*vert[0] = ShadeVertex(vinput++);
*vert[1] = ShadeVertex(vinput++);
for (int i = 2; i < vcount; i++)
{
vert[2] = vertexShader->Shade(this, drawargs, vertices, vinput++);
*vert[2] = ShadeVertex(vinput++);
DrawShadedTriangle(vert, toggleccw, &args);
ShadedTriVertex *vtmp = vert[0];
vert[0] = vert[1];
vert[1] = vert[2];
vert[2] = vtmp;
toggleccw = !toggleccw;
}
}
}
ShadedTriVertex PolyTriVertexShader::Shade(PolyTriangleThreadData *thread, const PolyDrawArgs &drawargs, const void *vertices, int index)
ShadedTriVertex PolyTriangleThreadData::ShadeVertex(int index)
{
ShadedTriVertex sv;
Vec4f objpos;
inputAssembly->Load(this, vertices, index);
mainVertexShader.main();
return mainVertexShader;
}
void PolySWInputAssembly::Load(PolyTriangleThreadData *thread, const void *vertices, int index)
{
if (thread->modelFrame1 == -1)
{
const TriVertex &v = static_cast<const TriVertex*>(vertices)[index];
objpos = Vec4f(v.x, v.y, v.z, v.w);
sv.u = v.u;
sv.v = v.v;
}
else if (thread->modelFrame1 == thread->modelFrame2 || thread->modelInterpolationFactor == 0.f)
{
const FModelVertex &v = static_cast<const FModelVertex*>(vertices)[thread->modelFrame1 + index];
objpos = Vec4f(v.x, v.y, v.z, 1.0f);
sv.u = v.u;
sv.v = v.v;
thread->swVertexShader.v1 = static_cast<const TriVertex*>(vertices)[index];
}
else
{
const FModelVertex &v1 = static_cast<const FModelVertex*>(vertices)[thread->modelFrame1 + index];
const FModelVertex &v2 = static_cast<const FModelVertex*>(vertices)[thread->modelFrame2 + index];
float frac = thread->modelInterpolationFactor;
float inv_frac = 1.0f - frac;
thread->swVertexShader.v1.x = v1.x;
thread->swVertexShader.v1.y = v1.y;
thread->swVertexShader.v1.z = v1.z;
thread->swVertexShader.v1.w = 1.0f;
thread->swVertexShader.v1.u = v1.u;
thread->swVertexShader.v1.v = v1.v;
objpos = Vec4f(v1.x * inv_frac + v2.x * frac, v1.y * inv_frac + v2.y * frac, v1.z * inv_frac + v2.z * frac, 1.0f);
sv.u = v1.u;
sv.v = v1.v;
thread->swVertexShader.v2.x = v2.x;
thread->swVertexShader.v2.y = v2.y;
thread->swVertexShader.v2.z = v2.z;
thread->swVertexShader.v2.w = 1.0f;
thread->swVertexShader.v2.u = v2.u;
thread->swVertexShader.v2.v = v2.v;
}
}
// Apply transform to get clip coordinates:
Vec4f clippos = (*thread->objectToClip) * objpos;
sv.x = clippos.X;
sv.y = clippos.Y;
sv.z = clippos.Z;
sv.w = clippos.W;
if (!thread->objectToWorld) // Identity matrix
{
sv.worldX = objpos.X;
sv.worldY = objpos.Y;
sv.worldZ = objpos.Z;
}
else
{
Vec4f worldpos = (*thread->objectToWorld) * objpos;
sv.worldX = worldpos.X;
sv.worldY = worldpos.Y;
sv.worldZ = worldpos.Z;
}
// Calculate gl_ClipDistance[i]
for (int i = 0; i < 3; i++)
{
const auto &clipPlane = drawargs.ClipPlane(i);
sv.clipDistance[i] = objpos.X * clipPlane.A + objpos.Y * clipPlane.B + objpos.Z * clipPlane.C + objpos.W * clipPlane.D;
}
return sv;
}
bool PolyTriangleThreadData::IsDegenerate(const ShadedTriVertex *vert)
bool PolyTriangleThreadData::IsDegenerate(const ShadedTriVertex *const* vert)
{
// A degenerate triangle has a zero cross product for two of its sides.
float ax = vert[1].x - vert[0].x;
float ay = vert[1].y - vert[0].y;
float az = vert[1].w - vert[0].w;
float bx = vert[2].x - vert[0].x;
float by = vert[2].y - vert[0].y;
float bz = vert[2].w - vert[0].w;
float ax = vert[1]->gl_Position.X - vert[0]->gl_Position.X;
float ay = vert[1]->gl_Position.Y - vert[0]->gl_Position.Y;
float az = vert[1]->gl_Position.W - vert[0]->gl_Position.W;
float bx = vert[2]->gl_Position.X - vert[0]->gl_Position.X;
float by = vert[2]->gl_Position.Y - vert[0]->gl_Position.Y;
float bz = vert[2]->gl_Position.W - vert[0]->gl_Position.W;
float crossx = ay * bz - az * by;
float crossy = az * bx - ax * bz;
float crossz = ax * by - ay * bx;
@ -389,15 +398,35 @@ bool PolyTriangleThreadData::IsFrontfacing(TriDrawTriangleArgs *args)
return a <= 0.0f;
}
void PolyTriangleThreadData::DrawShadedTriangle(const ShadedTriVertex *vert, bool ccw, TriDrawTriangleArgs *args)
void PolyTriangleThreadData::DrawShadedTriangle(const ShadedTriVertex *const* vert, bool ccw, TriDrawTriangleArgs *args)
{
// Reject triangle if degenerate
if (IsDegenerate(vert))
return;
// Cull, clip and generate additional vertices as needed
ShadedTriVertex clippedvert[max_additional_vertices];
int numclipvert = ClipEdge(vert, clippedvert);
ScreenTriVertex clippedvert[max_additional_vertices];
int numclipvert = ClipEdge(vert);
// Convert barycentric weights to actual vertices
for (int i = 0; i < numclipvert; i++)
{
auto &v = clippedvert[i];
memset(&v, 0, sizeof(ScreenTriVertex));
for (int w = 0; w < 3; w++)
{
float weight = weights[i * 3 + w];
v.x += vert[w]->gl_Position.X * weight;
v.y += vert[w]->gl_Position.Y * weight;
v.z += vert[w]->gl_Position.Z * weight;
v.w += vert[w]->gl_Position.W * weight;
v.u += vert[w]->vTexCoord.X * weight;
v.v += vert[w]->vTexCoord.Y * weight;
v.worldX += vert[w]->pixelpos.X * weight;
v.worldY += vert[w]->pixelpos.Y * weight;
v.worldZ += vert[w]->pixelpos.Z * weight;
}
}
#ifdef NO_SSE
// Map to 2D viewport:
@ -499,8 +528,18 @@ void PolyTriangleThreadData::DrawShadedTriangle(const ShadedTriVertex *vert, boo
}
}
int PolyTriangleThreadData::ClipEdge(const ShadedTriVertex *verts, ShadedTriVertex *clippedvert)
int PolyTriangleThreadData::ClipEdge(const ShadedTriVertex *const* verts)
{
// use barycentric weights for clipped vertices
weights = weightsbuffer;
for (int i = 0; i < 3; i++)
{
weights[i * 3 + 0] = 0.0f;
weights[i * 3 + 1] = 0.0f;
weights[i * 3 + 2] = 0.0f;
weights[i * 3 + i] = 1.0f;
}
// Clip and cull so that the following is true for all vertices:
// -v.w <= v.x <= v.w
// -v.w <= v.y <= v.w
@ -514,16 +553,16 @@ int PolyTriangleThreadData::ClipEdge(const ShadedTriVertex *verts, ShadedTriVert
float *clipd = clipdistance;
for (int i = 0; i < 3; i++)
{
const auto &v = verts[i];
clipd[0] = v.x + v.w;
clipd[1] = v.w - v.x;
clipd[2] = v.y + v.w;
clipd[3] = v.w - v.y;
clipd[4] = v.z + v.w;
clipd[5] = v.w - v.z;
clipd[6] = v.clipDistance[0];
clipd[7] = v.clipDistance[1];
clipd[8] = v.clipDistance[2];
const auto &v = *verts[i];
clipd[0] = v.gl_Position.X + v.gl_Position.W;
clipd[1] = v.gl_Position.W - v.gl_Position.X;
clipd[2] = v.gl_Position.Y + v.gl_Position.W;
clipd[3] = v.gl_Position.W - v.gl_Position.Y;
clipd[4] = v.gl_Position.Z + v.gl_Position.W;
clipd[5] = v.gl_Position.W - v.gl_Position.Z;
clipd[6] = v.gl_ClipDistance[0];
clipd[7] = v.gl_ClipDistance[1];
clipd[8] = v.gl_ClipDistance[2];
for (int j = 0; j < 9; j++)
needsclipping = needsclipping || clipd[i];
clipd += numclipdistances;
@ -532,16 +571,12 @@ int PolyTriangleThreadData::ClipEdge(const ShadedTriVertex *verts, ShadedTriVert
// If all halfspace clip distances are positive then the entire triangle is visible. Skip the expensive clipping step.
if (!needsclipping)
{
for (int i = 0; i < 3; i++)
{
memcpy(clippedvert + i, &verts[i], sizeof(ShadedTriVertex));
}
return 3;
}
#else
__m128 mx = _mm_loadu_ps(&verts[0].x);
__m128 my = _mm_loadu_ps(&verts[1].x);
__m128 mz = _mm_loadu_ps(&verts[2].x);
__m128 mx = _mm_loadu_ps(&verts[0]->gl_Position.X);
__m128 my = _mm_loadu_ps(&verts[1]->gl_Position.X);
__m128 mz = _mm_loadu_ps(&verts[2]->gl_Position.X);
__m128 mw = _mm_setzero_ps();
_MM_TRANSPOSE4_PS(mx, my, mz, mw);
__m128 clipd0 = _mm_add_ps(mx, mw);
@ -550,9 +585,9 @@ int PolyTriangleThreadData::ClipEdge(const ShadedTriVertex *verts, ShadedTriVert
__m128 clipd3 = _mm_sub_ps(mw, my);
__m128 clipd4 = _mm_add_ps(mz, mw);
__m128 clipd5 = _mm_sub_ps(mw, mz);
__m128 clipd6 = _mm_setr_ps(verts[0].clipDistance[0], verts[1].clipDistance[0], verts[2].clipDistance[0], 0.0f);
__m128 clipd7 = _mm_setr_ps(verts[0].clipDistance[1], verts[1].clipDistance[1], verts[2].clipDistance[1], 0.0f);
__m128 clipd8 = _mm_setr_ps(verts[0].clipDistance[2], verts[1].clipDistance[2], verts[2].clipDistance[2], 0.0f);
__m128 clipd6 = _mm_setr_ps(verts[0]->gl_ClipDistance[0], verts[1]->gl_ClipDistance[0], verts[2]->gl_ClipDistance[0], 0.0f);
__m128 clipd7 = _mm_setr_ps(verts[0]->gl_ClipDistance[1], verts[1]->gl_ClipDistance[1], verts[2]->gl_ClipDistance[1], 0.0f);
__m128 clipd8 = _mm_setr_ps(verts[0]->gl_ClipDistance[2], verts[1]->gl_ClipDistance[2], verts[2]->gl_ClipDistance[2], 0.0f);
__m128 mneedsclipping = _mm_cmplt_ps(clipd0, _mm_setzero_ps());
mneedsclipping = _mm_or_ps(mneedsclipping, _mm_cmplt_ps(clipd1, _mm_setzero_ps()));
mneedsclipping = _mm_or_ps(mneedsclipping, _mm_cmplt_ps(clipd2, _mm_setzero_ps()));
@ -564,10 +599,6 @@ int PolyTriangleThreadData::ClipEdge(const ShadedTriVertex *verts, ShadedTriVert
mneedsclipping = _mm_or_ps(mneedsclipping, _mm_cmplt_ps(clipd8, _mm_setzero_ps()));
if (_mm_movemask_ps(mneedsclipping) == 0)
{
for (int i = 0; i < 3; i++)
{
memcpy(clippedvert + i, &verts[i], sizeof(ShadedTriVertex));
}
return 3;
}
float clipdistance[numclipdistances * 4];
@ -582,16 +613,6 @@ int PolyTriangleThreadData::ClipEdge(const ShadedTriVertex *verts, ShadedTriVert
_mm_storeu_ps(clipdistance + 32, clipd8);
#endif
// use barycentric weights while clipping vertices
float weights[max_additional_vertices * 3 * 2];
for (int i = 0; i < 3; i++)
{
weights[i * 3 + 0] = 0.0f;
weights[i * 3 + 1] = 0.0f;
weights[i * 3 + 2] = 0.0f;
weights[i * 3 + i] = 1.0f;
}
// Clip against each halfspace
float *input = weights;
float *output = weights + max_additional_vertices * 3;
@ -651,25 +672,7 @@ int PolyTriangleThreadData::ClipEdge(const ShadedTriVertex *verts, ShadedTriVert
break;
}
// Convert barycentric weights to actual vertices
for (int i = 0; i < inputverts; i++)
{
auto &v = clippedvert[i];
memset(&v, 0, sizeof(ShadedTriVertex));
for (int w = 0; w < 3; w++)
{
float weight = input[i * 3 + w];
v.x += verts[w].x * weight;
v.y += verts[w].y * weight;
v.z += verts[w].z * weight;
v.w += verts[w].w * weight;
v.u += verts[w].u * weight;
v.v += verts[w].v * weight;
v.worldX += verts[w].worldX * weight;
v.worldY += verts[w].worldY * weight;
v.worldZ += verts[w].worldZ * weight;
}
}
weights = input;
return inputverts;
}
@ -704,13 +707,13 @@ void PolySetIndexBufferCommand::Execute(DrawerThread *thread)
/////////////////////////////////////////////////////////////////////////////
PolySetVertexShaderCommand::PolySetVertexShaderCommand(PolyVertexShader *shader) : shader(shader)
PolySetInputAssemblyCommand::PolySetInputAssemblyCommand(PolyInputAssembly *input) : input(input)
{
}
void PolySetVertexShaderCommand::Execute(DrawerThread *thread)
void PolySetInputAssemblyCommand::Execute(DrawerThread *thread)
{
PolyTriangleThreadData::Get(thread)->SetVertexShader(shader);
PolyTriangleThreadData::Get(thread)->SetInputAssembly(input);
}
/////////////////////////////////////////////////////////////////////////////
@ -804,6 +807,40 @@ void PolySetViewportCommand::Execute(DrawerThread *thread)
/////////////////////////////////////////////////////////////////////////////
PolySetViewpointUniformsCommand::PolySetViewpointUniformsCommand(const HWViewpointUniforms *uniforms) : uniforms(uniforms)
{
}
void PolySetViewpointUniformsCommand::Execute(DrawerThread *thread)
{
PolyTriangleThreadData::Get(thread)->SetViewpointUniforms(uniforms);
}
/////////////////////////////////////////////////////////////////////////////
PolyPushMatricesCommand::PolyPushMatricesCommand(const VSMatrix &modelMatrix, const VSMatrix &normalModelMatrix, const VSMatrix &textureMatrix)
: modelMatrix(modelMatrix), normalModelMatrix(normalModelMatrix), textureMatrix(textureMatrix)
{
}
void PolyPushMatricesCommand::Execute(DrawerThread *thread)
{
PolyTriangleThreadData::Get(thread)->PushMatrices(modelMatrix, normalModelMatrix, textureMatrix);
}
/////////////////////////////////////////////////////////////////////////////
PolyPushStreamDataCommand::PolyPushStreamDataCommand(const StreamData &data, const Vec2f &uClipSplit) : data(data), uClipSplit(uClipSplit)
{
}
void PolyPushStreamDataCommand::Execute(DrawerThread *thread)
{
PolyTriangleThreadData::Get(thread)->PushStreamData(data, uClipSplit);
}
/////////////////////////////////////////////////////////////////////////////
PolyPushConstantsCommand::PolyPushConstantsCommand(const PolyDrawArgs &args) : args(args)
{
}

View file

@ -32,7 +32,7 @@
class DCanvas;
class PolyDrawerCommand;
class PolyVertexShader;
class PolyInputAssembly;
class PolyTriangleDrawer
{
@ -41,7 +41,7 @@ public:
static void ClearDepth(const DrawerCommandQueuePtr &queue, float value);
static void ClearStencil(const DrawerCommandQueuePtr &queue, uint8_t value);
static void SetViewport(const DrawerCommandQueuePtr &queue, int x, int y, int width, int height, DCanvas *canvas);
static void SetVertexShader(const DrawerCommandQueuePtr &queue, PolyVertexShader *shader);
static void SetInputAssembly(const DrawerCommandQueuePtr &queue, PolyInputAssembly *input);
static void SetCullCCW(const DrawerCommandQueuePtr &queue, bool ccw);
static void SetTwoSided(const DrawerCommandQueuePtr &queue, bool twosided);
static void SetWeaponScene(const DrawerCommandQueuePtr &queue, bool enable);
@ -49,42 +49,55 @@ public:
static void SetTransform(const DrawerCommandQueuePtr &queue, const Mat4f *objectToClip, const Mat4f *objectToWorld);
static void SetVertexBuffer(const DrawerCommandQueuePtr &queue, const void *vertices);
static void SetIndexBuffer(const DrawerCommandQueuePtr &queue, const void *elements);
static void SetViewpointUniforms(const DrawerCommandQueuePtr &queue, const HWViewpointUniforms *uniforms);
static void PushConstants(const DrawerCommandQueuePtr &queue, const PolyDrawArgs &args);
static void PushStreamData(const DrawerCommandQueuePtr &queue, const StreamData &data, const Vec2f &uClipSplit);
static void PushMatrices(const DrawerCommandQueuePtr &queue, const VSMatrix &modelMatrix, const VSMatrix &normalModelMatrix, const VSMatrix &textureMatrix);
static void Draw(const DrawerCommandQueuePtr &queue, int index, int vcount, PolyDrawMode mode = PolyDrawMode::Triangles);
static void DrawIndexed(const DrawerCommandQueuePtr &queue, int index, int count, PolyDrawMode mode = PolyDrawMode::Triangles);
static bool IsBgra();
};
class PolyVertexShader
class PolyInputAssembly
{
public:
virtual ShadedTriVertex Shade(PolyTriangleThreadData *thread, const PolyDrawArgs &drawargs, const void *vertices, int index) = 0;
virtual void Load(PolyTriangleThreadData *thread, const void *vertices, int index) = 0;
};
class PolyTriVertexShader : public PolyVertexShader
class PolySWInputAssembly : public PolyInputAssembly
{
public:
ShadedTriVertex Shade(PolyTriangleThreadData *thread, const PolyDrawArgs &drawargs, const void *vertices, int index) override;
void Load(PolyTriangleThreadData *thread, const void *vertices, int index) override;
};
class PolyTriangleThreadData
{
public:
PolyTriangleThreadData(int32_t core, int32_t num_cores, int32_t numa_node, int32_t num_numa_nodes, int numa_start_y, int numa_end_y) : core(core), num_cores(num_cores), numa_node(numa_node), num_numa_nodes(num_numa_nodes), numa_start_y(numa_start_y), numa_end_y(numa_end_y) { }
PolyTriangleThreadData(int32_t core, int32_t num_cores, int32_t numa_node, int32_t num_numa_nodes, int numa_start_y, int numa_end_y)
: core(core), num_cores(num_cores), numa_node(numa_node), num_numa_nodes(num_numa_nodes), numa_start_y(numa_start_y), numa_end_y(numa_end_y)
{
swVertexShader.drawargs = &drawargs;
}
void ClearDepth(float value);
void ClearStencil(uint8_t value);
void SetViewport(int x, int y, int width, int height, uint8_t *dest, int dest_width, int dest_height, int dest_pitch, bool dest_bgra);
void SetTransform(const Mat4f *objectToClip, const Mat4f *objectToWorld);
void SetCullCCW(bool value) { ccw = value; }
void SetTwoSided(bool value) { twosided = value; }
void SetWeaponScene(bool value) { weaponScene = value; }
void SetModelVertexShader(int frame1, int frame2, float interpolationFactor) { modelFrame1 = frame1; modelFrame2 = frame2; modelInterpolationFactor = interpolationFactor; }
void SetVertexShader(PolyVertexShader *shader) { vertexShader = shader; }
void SetModelVertexShader(int frame1, int frame2, float interpolationFactor) { modelFrame1 = frame1; modelFrame2 = frame2; swVertexShader.modelInterpolationFactor = interpolationFactor; }
void SetInputAssembly(PolyInputAssembly *input) { inputAssembly = input; }
void SetVertexBuffer(const void *data) { vertices = data; }
void SetIndexBuffer(const void *data) { elements = (const unsigned int *)data; }
void SetViewpointUniforms(const HWViewpointUniforms *uniforms);
void PushConstants(const PolyDrawArgs &args);
void PushStreamData(const StreamData &data, const Vec2f &uClipSplit);
void PushMatrices(const VSMatrix &modelMatrix, const VSMatrix &normalModelMatrix, const VSMatrix &textureMatrix);
void DrawIndexed(int index, int count, PolyDrawMode mode);
void Draw(int index, int vcount, PolyDrawMode mode);
@ -140,30 +153,30 @@ public:
const void *vertices = nullptr;
const unsigned int *elements = nullptr;
PolyMainVertexShader mainVertexShader;
int modelFrame1 = -1;
int modelFrame2 = -1;
PolySWVertexShader swVertexShader;
private:
void DrawShadedTriangle(const ShadedTriVertex *vertices, bool ccw, TriDrawTriangleArgs *args);
static bool IsDegenerate(const ShadedTriVertex *vertices);
ShadedTriVertex ShadeVertex(int index);
void DrawShadedTriangle(const ShadedTriVertex *const* vertices, bool ccw, TriDrawTriangleArgs *args);
static bool IsDegenerate(const ShadedTriVertex *const* vertices);
static bool IsFrontfacing(TriDrawTriangleArgs *args);
static int ClipEdge(const ShadedTriVertex *verts, ShadedTriVertex *clippedvert);
int ClipEdge(const ShadedTriVertex *const* verts);
int viewport_x = 0;
int viewport_width = 0;
int viewport_height = 0;
bool ccw = true;
bool twosided = false;
public:
const Mat4f *objectToClip = nullptr;
const Mat4f *objectToWorld = nullptr;
private:
int modelFrame1 = -1;
int modelFrame2 = -1;
float modelInterpolationFactor = 0.0f;
PolyVertexShader *vertexShader = nullptr;
PolyMainVertexShader mainVertexShader;
PolyInputAssembly *inputAssembly = nullptr;
enum { max_additional_vertices = 16 };
friend class PolyTriVertexShader;
float weightsbuffer[max_additional_vertices * 3 * 2];
float *weights = nullptr;
};
class PolyDrawerCommand : public DrawerCommand
@ -191,14 +204,14 @@ private:
const void *indices;
};
class PolySetVertexShaderCommand : public PolyDrawerCommand
class PolySetInputAssemblyCommand : public PolyDrawerCommand
{
public:
PolySetVertexShaderCommand(PolyVertexShader *shader);
PolySetInputAssemblyCommand(PolyInputAssembly *input);
void Execute(DrawerThread *thread) override;
private:
PolyVertexShader *shader;
PolyInputAssembly *input;
};
class PolySetTransformCommand : public PolyDrawerCommand
@ -300,6 +313,39 @@ private:
bool dest_bgra;
};
class PolySetViewpointUniformsCommand : public PolyDrawerCommand
{
public:
PolySetViewpointUniformsCommand(const HWViewpointUniforms *uniforms);
void Execute(DrawerThread *thread) override;
private:
const HWViewpointUniforms *uniforms;
};
class PolyPushMatricesCommand : public PolyDrawerCommand
{
public:
PolyPushMatricesCommand(const VSMatrix &modelMatrix, const VSMatrix &normalModelMatrix, const VSMatrix &textureMatrix);
void Execute(DrawerThread *thread) override;
private:
VSMatrix modelMatrix;
VSMatrix normalModelMatrix;
VSMatrix textureMatrix;
};
class PolyPushStreamDataCommand : public PolyDrawerCommand
{
public:
PolyPushStreamDataCommand(const StreamData &data, const Vec2f &uClipSplit);
void Execute(DrawerThread *thread) override;
private:
StreamData data;
Vec2f uClipSplit;
};
class PolyPushConstantsCommand : public PolyDrawerCommand
{
public:

View file

@ -9,7 +9,16 @@
#include <xmmintrin.h>
#endif
class PolyMainVertexShader
class ShadedTriVertex
{
public:
Vec4f gl_Position;
float gl_ClipDistance[5];
Vec4f vTexCoord;
Vec4f pixelpos;
};
class PolyMainVertexShader : public ShadedTriVertex
{
public:
// Input
@ -21,11 +30,7 @@ public:
Vec4f aNormal2;
// Output
Vec4f gl_Position;
float gl_ClipDistance[5];
Vec4f vTexCoord;
Vec4f vColor;
Vec4f pixelpos;
Vec3f glowdist;
Vec3f gradientdist;
Vec4f vWorldNormal;
@ -41,12 +46,10 @@ public:
VSMatrix TextureMatrix;
StreamData Data;
Vec2f uClipSplit;
HWViewpointUniforms Viewpoint;
const HWViewpointUniforms *Viewpoint = nullptr;
void main()
{
float ClipDistance0, ClipDistance1, ClipDistance2, ClipDistance3, ClipDistance4;
Vec2f parmTexCoord = aTexCoord;
Vec4f parmPosition = aPosition;
@ -56,7 +59,7 @@ public:
else
worldcoord = mul(ModelMatrix, parmPosition);
Vec4f eyeCoordPos = mul(Viewpoint.mViewMatrix, worldcoord);
Vec4f eyeCoordPos = mul(Viewpoint->mViewMatrix, worldcoord);
vColor = aColor;
@ -87,12 +90,12 @@ public:
if (Data.uSplitBottomPlane.Z != 0.0f)
{
ClipDistance3 = ((Data.uSplitTopPlane.W + Data.uSplitTopPlane.X * worldcoord.X + Data.uSplitTopPlane.Y * worldcoord.Z) * Data.uSplitTopPlane.Z) - worldcoord.Y;
ClipDistance4 = worldcoord.Y - ((Data.uSplitBottomPlane.W + Data.uSplitBottomPlane.X * worldcoord.X + Data.uSplitBottomPlane.Y * worldcoord.Z) * Data.uSplitBottomPlane.Z);
gl_ClipDistance[3] = ((Data.uSplitTopPlane.W + Data.uSplitTopPlane.X * worldcoord.X + Data.uSplitTopPlane.Y * worldcoord.Z) * Data.uSplitTopPlane.Z) - worldcoord.Y;
gl_ClipDistance[4] = worldcoord.Y - ((Data.uSplitBottomPlane.W + Data.uSplitBottomPlane.X * worldcoord.X + Data.uSplitBottomPlane.Y * worldcoord.Z) * Data.uSplitBottomPlane.Z);
}
vWorldNormal = mul(NormalModelMatrix, Vec4f(normalize(mix3(aNormal, aNormal2, Data.uInterpolationFactor)), 1.0f));
vEyeNormal = mul(Viewpoint.mNormalViewMatrix, vWorldNormal);
vEyeNormal = mul(Viewpoint->mNormalViewMatrix, vWorldNormal);
}
if (!SPHEREMAP)
@ -102,43 +105,39 @@ public:
else
{
Vec3f u = normalize3(eyeCoordPos);
Vec3f n = normalize3(mul(Viewpoint.mNormalViewMatrix, Vec4f(parmTexCoord.X, 0.0f, parmTexCoord.Y, 0.0f)));
Vec3f n = normalize3(mul(Viewpoint->mNormalViewMatrix, Vec4f(parmTexCoord.X, 0.0f, parmTexCoord.Y, 0.0f)));
Vec3f r = reflect(u, n);
float m = 2.0f * sqrt(r.X*r.X + r.Y*r.Y + (r.Z + 1.0f)*(r.Z + 1.0f));
vTexCoord.X = r.X / m + 0.5f;
vTexCoord.Y = r.Y / m + 0.5f;
}
gl_Position = mul(Viewpoint.mProjectionMatrix, eyeCoordPos);
gl_Position = mul(Viewpoint->mProjectionMatrix, eyeCoordPos);
if (Viewpoint.mClipHeightDirection != 0.0f) // clip planes used for reflective flats
if (Viewpoint->mClipHeightDirection != 0.0f) // clip planes used for reflective flats
{
ClipDistance0 = (worldcoord.Y - Viewpoint.mClipHeight) * Viewpoint.mClipHeightDirection;
gl_ClipDistance[0] = (worldcoord.Y - Viewpoint->mClipHeight) * Viewpoint->mClipHeightDirection;
}
else if (Viewpoint.mClipLine.X > -1000000.0f) // and for line portals - this will never be active at the same time as the reflective planes clipping so it can use the same hardware clip plane.
else if (Viewpoint->mClipLine.X > -1000000.0f) // and for line portals - this will never be active at the same time as the reflective planes clipping so it can use the same hardware clip plane.
{
ClipDistance0 = -((worldcoord.Z - Viewpoint.mClipLine.Y) * Viewpoint.mClipLine.Z + (Viewpoint.mClipLine.X - worldcoord.X) * Viewpoint.mClipLine.W) + 1.0f / 32768.0f; // allow a tiny bit of imprecisions for colinear linedefs.
gl_ClipDistance[0] = -((worldcoord.Z - Viewpoint->mClipLine.Y) * Viewpoint->mClipLine.Z + (Viewpoint->mClipLine.X - worldcoord.X) * Viewpoint->mClipLine.W) + 1.0f / 32768.0f; // allow a tiny bit of imprecisions for colinear linedefs.
}
else
{
ClipDistance0 = 1.0f;
gl_ClipDistance[0] = 1.0f;
}
// clip planes used for translucency splitting
ClipDistance1 = worldcoord.Y - uClipSplit.X;
ClipDistance2 = uClipSplit.Y - worldcoord.Y;
gl_ClipDistance[1] = worldcoord.Y - uClipSplit.X;
gl_ClipDistance[2] = uClipSplit.Y - worldcoord.Y;
if (Data.uSplitTopPlane == FVector4(0.0f, 0.0f, 0.0f, 0.0f))
{
ClipDistance3 = 1.0f;
ClipDistance4 = 1.0f;
gl_ClipDistance[3] = 1.0f;
gl_ClipDistance[4] = 1.0f;
}
gl_ClipDistance[0] = ClipDistance0;
gl_ClipDistance[1] = ClipDistance1;
gl_ClipDistance[2] = ClipDistance2;
gl_ClipDistance[3] = ClipDistance3;
gl_ClipDistance[4] = ClipDistance4;
std::swap(vTexCoord.X, vTexCoord.Y); // textures are transposed because the software renderer did them this way
}
private:
@ -198,3 +197,59 @@ private:
return result;
}
};
class PolySWVertexShader : public ShadedTriVertex
{
public:
// Input
TriVertex v1;
TriVertex v2;
// Uniforms
float modelInterpolationFactor = 0.0f;
const Mat4f *objectToClip = nullptr;
const Mat4f *objectToWorld = nullptr;
PolyDrawArgs *drawargs = nullptr;
void main()
{
Vec4f objpos;
if (modelInterpolationFactor == 0.f)
{
objpos = Vec4f(v1.x, v1.y, v1.z, v1.w);
vTexCoord.X = v1.u;
vTexCoord.Y = v1.v;
}
else
{
float frac = modelInterpolationFactor;
float inv_frac = 1.0f - frac;
objpos = Vec4f(v1.x * inv_frac + v2.x * frac, v1.y * inv_frac + v2.y * frac, v1.z * inv_frac + v2.z * frac, 1.0f);
vTexCoord.X = v1.u;
vTexCoord.Y = v1.v;
}
// Apply transform to get clip coordinates:
gl_Position = (*objectToClip) * objpos;
if (!objectToWorld) // Identity matrix
{
pixelpos = objpos;
}
else
{
pixelpos = (*objectToWorld) * objpos;
}
// Calculate gl_ClipDistance[i]
for (int i = 0; i < 3; i++)
{
const auto &clipPlane = drawargs->ClipPlane(i);
gl_ClipDistance[i] = objpos.X * clipPlane.A + objpos.Y * clipPlane.B + objpos.Z * clipPlane.C + objpos.W * clipPlane.D;
}
gl_ClipDistance[3] = 1.0f;
gl_ClipDistance[4] = 1.0f;
}
};

View file

@ -38,7 +38,7 @@
#include "screen_triangle.h"
#include "x86.h"
static void SortVertices(const TriDrawTriangleArgs *args, ShadedTriVertex **sortedVertices)
static void SortVertices(const TriDrawTriangleArgs *args, ScreenTriVertex **sortedVertices)
{
sortedVertices[0] = args->v1;
sortedVertices[1] = args->v2;
@ -57,7 +57,7 @@ void ScreenTriangle::Draw(const TriDrawTriangleArgs *args, PolyTriangleThreadDat
using namespace TriScreenDrawerModes;
// Sort vertices by Y position
ShadedTriVertex *sortedVertices[3];
ScreenTriVertex *sortedVertices[3];
SortVertices(args, sortedVertices);
int clipleft = 0;

View file

@ -31,11 +31,10 @@ class FString;
class PolyDrawArgs;
class PolyTriangleThreadData;
struct ShadedTriVertex
struct ScreenTriVertex
{
float x, y, z, w;
float u, v;
float clipDistance[3];
float worldX, worldY, worldZ;
};
@ -47,9 +46,9 @@ struct ScreenTriangleStepVariables
struct TriDrawTriangleArgs
{
ShadedTriVertex *v1;
ShadedTriVertex *v2;
ShadedTriVertex *v3;
ScreenTriVertex *v1;
ScreenTriVertex *v2;
ScreenTriVertex *v3;
const PolyDrawArgs *uniforms;
ScreenTriangleStepVariables gradientX;
ScreenTriangleStepVariables gradientY;

View file

@ -148,8 +148,8 @@ namespace swrenderer
SWModelRenderer::SWModelRenderer(RenderThread *thread, Fake3DTranslucent clip3DFloor, Mat4f *worldToClip, bool mirrorWorldToClip)
: Thread(thread), Clip3DFloor(clip3DFloor), WorldToClip(worldToClip), MirrorWorldToClip(mirrorWorldToClip)
{
static PolyTriVertexShader shader;
PolyTriangleDrawer::SetVertexShader(thread->DrawQueue, &shader);
static PolySWInputAssembly input;
PolyTriangleDrawer::SetInputAssembly(thread->DrawQueue, &input);
}
void SWModelRenderer::AddLights(AActor *actor)