void TransformUnit::SubmitPrimitive(void* vertices, void* indices, u32 prim_type, int vertex_count, u32 vertex_type, int *bytesRead)
{
// TODO: Cache VertexDecoder objects
VertexDecoder vdecoder;
VertexDecoderOptions options;
memset(&options, 0, sizeof(options));
options.expandAllUVtoFloat = false;
vdecoder.SetVertexType(vertex_type, options);
const DecVtxFormat& vtxfmt = vdecoder.GetDecVtxFmt();
if (bytesRead)
*bytesRead = vertex_count * vdecoder.VertexSize();
// Frame skipping.
if (gstate_c.skipDrawReason & SKIPDRAW_SKIPFRAME) {
return;
}
u16 index_lower_bound = 0;
u16 index_upper_bound = vertex_count - 1;
bool indices_16bit = (vertex_type & GE_VTYPE_IDX_MASK) == GE_VTYPE_IDX_16BIT;
bool indices_32bit = (vertex_type & GE_VTYPE_IDX_MASK) == GE_VTYPE_IDX_32BIT;
u8 *indices8 = (u8 *)indices;
u16 *indices16 = (u16 *)indices;
u32 *indices32 = (u32 *)indices;
if (indices)
GetIndexBounds(indices, vertex_count, vertex_type, &index_lower_bound, &index_upper_bound);
vdecoder.DecodeVerts(buf, vertices, index_lower_bound, index_upper_bound);
VertexReader vreader(buf, vtxfmt, vertex_type);
const int max_vtcs_per_prim = 3;
int vtcs_per_prim = 0;
switch (prim_type) {
case GE_PRIM_POINTS: vtcs_per_prim = 1; break;
case GE_PRIM_LINES: vtcs_per_prim = 2; break;
case GE_PRIM_TRIANGLES: vtcs_per_prim = 3; break;
case GE_PRIM_RECTANGLES: vtcs_per_prim = 2; break;
}
VertexData data[max_vtcs_per_prim];
// TODO: Do this in two passes - first process the vertices (before indexing/stripping),
// then resolve the indices. This lets us avoid transforming shared vertices twice.
switch (prim_type) {
case GE_PRIM_POINTS:
case GE_PRIM_LINES:
case GE_PRIM_TRIANGLES:
case GE_PRIM_RECTANGLES:
{
for (int vtx = 0; vtx < vertex_count; vtx += vtcs_per_prim) {
for (int i = 0; i < vtcs_per_prim; ++i) {
if (indices) {
if (indices_32bit) {
vreader.Goto(indices32[vtx + i]);
} else if (indices_16bit) {
vreader.Goto(indices16[vtx + i]);
} else {
vreader.Goto(indices8[vtx + i]);
}
} else {
vreader.Goto(vtx+i);
}
data[i] = ReadVertex(vreader);
if (outside_range_flag)
break;
}
if (outside_range_flag) {
outside_range_flag = false;
continue;
}
switch (prim_type) {
case GE_PRIM_TRIANGLES:
{
if (!gstate.isCullEnabled() || gstate.isModeClear()) {
Clipper::ProcessTriangle(data[0], data[1], data[2]);
Clipper::ProcessTriangle(data[2], data[1], data[0]);
} else if (!gstate.getCullMode())
Clipper::ProcessTriangle(data[2], data[1], data[0]);
else
Clipper::ProcessTriangle(data[0], data[1], data[2]);
break;
}
case GE_PRIM_RECTANGLES:
Clipper::ProcessRect(data[0], data[1]);
break;
case GE_PRIM_LINES:
Clipper::ProcessLine(data[0], data[1]);
break;
case GE_PRIM_POINTS:
Clipper::ProcessPoint(data[0]);
break;
}
}
break;
}
case GE_PRIM_LINE_STRIP:
{
int skip_count = 1; // Don't draw a line when loading the first vertex
for (int vtx = 0; vtx < vertex_count; ++vtx) {
if (indices)
vreader.Goto(indices_16bit ? indices16[vtx] : indices8[vtx]);
else
vreader.Goto(vtx);
data[vtx & 1] = ReadVertex(vreader);
if (outside_range_flag) {
// Drop all primitives containing the current vertex
skip_count = 2;
outside_range_flag = false;
continue;
}
if (skip_count) {
--skip_count;
} else {
Clipper::ProcessLine(data[(vtx & 1) ^ 1], data[vtx & 1]);
}
}
break;
}
case GE_PRIM_TRIANGLE_STRIP:
{
int skip_count = 2; // Don't draw a triangle when loading the first two vertices
for (int vtx = 0; vtx < vertex_count; ++vtx) {
if (indices)
vreader.Goto(indices_16bit ? indices16[vtx] : indices8[vtx]);
else
vreader.Goto(vtx);
data[vtx % 3] = ReadVertex(vreader);
if (outside_range_flag) {
// Drop all primitives containing the current vertex
skip_count = 2;
outside_range_flag = false;
continue;
}
if (skip_count) {
--skip_count;
continue;
}
if (!gstate.isCullEnabled() || gstate.isModeClear()) {
Clipper::ProcessTriangle(data[0], data[1], data[2]);
Clipper::ProcessTriangle(data[2], data[1], data[0]);
} else if ((!gstate.getCullMode()) ^ (vtx % 2)) {
// We need to reverse the vertex order for each second primitive,
// but we additionally need to do that for every primitive if CCW cullmode is used.
Clipper::ProcessTriangle(data[2], data[1], data[0]);
} else {
Clipper::ProcessTriangle(data[0], data[1], data[2]);
}
}
break;
}
case GE_PRIM_TRIANGLE_FAN:
{
unsigned int skip_count = 1; // Don't draw a triangle when loading the first two vertices
if (indices)
vreader.Goto(indices_16bit ? indices16[0] : indices8[0]);
else
vreader.Goto(0);
data[0] = ReadVertex(vreader);
for (int vtx = 1; vtx < vertex_count; ++vtx) {
if (indices)
vreader.Goto(indices_16bit ? indices16[vtx] : indices8[vtx]);
else
vreader.Goto(vtx);
data[2 - (vtx % 2)] = ReadVertex(vreader);
if (outside_range_flag) {
// Drop all primitives containing the current vertex
skip_count = 2;
outside_range_flag = false;
continue;
}
if (skip_count) {
--skip_count;
continue;
}
if (!gstate.isCullEnabled() || gstate.isModeClear()) {
Clipper::ProcessTriangle(data[0], data[1], data[2]);
Clipper::ProcessTriangle(data[2], data[1], data[0]);
} else if ((!gstate.getCullMode()) ^ (vtx % 2)) {
// We need to reverse the vertex order for each second primitive,
// but we additionally need to do that for every primitive if CCW cullmode is used.
Clipper::ProcessTriangle(data[2], data[1], data[0]);
} else {
Clipper::ProcessTriangle(data[0], data[1], data[2]);
}
}
break;
}
}
host->GPUNotifyDraw();
}
void DrawEngineCommon::SubmitSpline(const void *control_points, const void *indices, int tess_u, int tess_v, int count_u, int count_v, int type_u, int type_v, GEPatchPrimType prim_type, bool computeNormals, bool patchFacing, u32 vertType) {
PROFILE_THIS_SCOPE("spline");
DispatchFlush();
// TODO: Verify correct functionality with < 4.
if (count_u < 4 || count_v < 4)
return;
u16 index_lower_bound = 0;
u16 index_upper_bound = count_u * count_v - 1;
bool indices_16bit = (vertType & GE_VTYPE_IDX_MASK) == GE_VTYPE_IDX_16BIT;
const u8* indices8 = (const u8*)indices;
const u16* indices16 = (const u16*)indices;
if (indices)
GetIndexBounds(indices, count_u*count_v, vertType, &index_lower_bound, &index_upper_bound);
// Simplify away bones and morph before proceeding
SimpleVertex *simplified_control_points = (SimpleVertex *)(decoded + 65536 * 12);
u8 *temp_buffer = decoded + 65536 * 18;
u32 origVertType = vertType;
vertType = NormalizeVertices((u8 *)simplified_control_points, temp_buffer, (u8 *)control_points, index_lower_bound, index_upper_bound, vertType);
VertexDecoder *vdecoder = GetVertexDecoder(vertType);
int vertexSize = vdecoder->VertexSize();
if (vertexSize != sizeof(SimpleVertex)) {
ERROR_LOG(G3D, "Something went really wrong, vertex size: %i vs %i", vertexSize, (int)sizeof(SimpleVertex));
}
// TODO: Do something less idiotic to manage this buffer
SimpleVertex **points = new SimpleVertex *[count_u * count_v];
// Make an array of pointers to the control points, to get rid of indices.
for (int idx = 0; idx < count_u * count_v; idx++) {
if (indices)
points[idx] = simplified_control_points + (indices_16bit ? indices16[idx] : indices8[idx]);
else
points[idx] = simplified_control_points + idx;
}
int count = 0;
u8 *dest = splineBuffer;
SplinePatchLocal patch;
patch.tess_u = tess_u;
patch.tess_v = tess_v;
patch.type_u = type_u;
patch.type_v = type_v;
patch.count_u = count_u;
patch.count_v = count_v;
patch.points = points;
patch.computeNormals = computeNormals;
patch.primType = prim_type;
patch.patchFacing = patchFacing;
int maxVertexCount = SPLINE_BUFFER_SIZE / vertexSize;
TesselateSplinePatch(dest, quadIndices_, count, patch, origVertType, maxVertexCount);
delete[] points;
u32 vertTypeWithIndex16 = (vertType & ~GE_VTYPE_IDX_MASK) | GE_VTYPE_IDX_16BIT;
UVScale prevUVScale;
if (g_Config.bPrescaleUV) {
// We scaled during Normalize already so let's turn it off when drawing.
prevUVScale = gstate_c.uv;
gstate_c.uv.uScale = 1.0f;
gstate_c.uv.vScale = 1.0f;
gstate_c.uv.uOff = 0;
gstate_c.uv.vOff = 0;
}
int bytesRead;
DispatchSubmitPrim(splineBuffer, quadIndices_, primType[prim_type], count, vertTypeWithIndex16, &bytesRead);
DispatchFlush();
if (g_Config.bPrescaleUV) {
gstate_c.uv = prevUVScale;
}
}
void DrawEngineCommon::SubmitBezier(const void *control_points, const void *indices, int tess_u, int tess_v, int count_u, int count_v, GEPatchPrimType prim_type, bool computeNormals, bool patchFacing, u32 vertType) {
PROFILE_THIS_SCOPE("bezier");
DispatchFlush();
// TODO: Verify correct functionality with < 4.
if (count_u < 4 || count_v < 4)
return;
u16 index_lower_bound = 0;
u16 index_upper_bound = count_u * count_v - 1;
bool indices_16bit = (vertType & GE_VTYPE_IDX_MASK) == GE_VTYPE_IDX_16BIT;
const u8* indices8 = (const u8*)indices;
const u16* indices16 = (const u16*)indices;
if (indices)
GetIndexBounds(indices, count_u*count_v, vertType, &index_lower_bound, &index_upper_bound);
// Simplify away bones and morph before proceeding
// There are normally not a lot of control points so just splitting decoded should be reasonably safe, although not great.
SimpleVertex *simplified_control_points = (SimpleVertex *)(decoded + 65536 * 12);
u8 *temp_buffer = decoded + 65536 * 18;
u32 origVertType = vertType;
vertType = NormalizeVertices((u8 *)simplified_control_points, temp_buffer, (u8 *)control_points, index_lower_bound, index_upper_bound, vertType);
VertexDecoder *vdecoder = GetVertexDecoder(vertType);
int vertexSize = vdecoder->VertexSize();
if (vertexSize != sizeof(SimpleVertex)) {
ERROR_LOG(G3D, "Something went really wrong, vertex size: %i vs %i", vertexSize, (int)sizeof(SimpleVertex));
}
// Bezier patches share less control points than spline patches. Otherwise they are pretty much the same (except bezier don't support the open/close thing)
int num_patches_u = (count_u - 1) / 3;
int num_patches_v = (count_v - 1) / 3;
BezierPatch* patches = new BezierPatch[num_patches_u * num_patches_v];
for (int patch_u = 0; patch_u < num_patches_u; patch_u++) {
for (int patch_v = 0; patch_v < num_patches_v; patch_v++) {
BezierPatch& patch = patches[patch_u + patch_v * num_patches_u];
for (int point = 0; point < 16; ++point) {
int idx = (patch_u * 3 + point % 4) + (patch_v * 3 + point / 4) * count_u;
if (indices)
patch.points[point] = simplified_control_points + (indices_16bit ? indices16[idx] : indices8[idx]);
else
patch.points[point] = simplified_control_points + idx;
}
patch.u_index = patch_u * 3;
patch.v_index = patch_v * 3;
patch.index = patch_v * num_patches_u + patch_u;
patch.primType = prim_type;
patch.computeNormals = computeNormals;
patch.patchFacing = patchFacing;
}
}
int count = 0;
u8 *dest = splineBuffer;
// Simple approximation of the real tesselation factor.
// We shouldn't really split up into separate 4x4 patches, instead we should do something that works
// like the splines, so we subdivide across the whole "mega-patch".
if (num_patches_u == 0) num_patches_u = 1;
if (num_patches_v == 0) num_patches_v = 1;
if (tess_u < 4) tess_u = 4;
if (tess_v < 4) tess_v = 4;
u16 *inds = quadIndices_;
int maxVertices = SPLINE_BUFFER_SIZE / vertexSize;
for (int patch_idx = 0; patch_idx < num_patches_u*num_patches_v; ++patch_idx) {
BezierPatch& patch = patches[patch_idx];
TesselateBezierPatch(dest, inds, count, tess_u, tess_v, patch, origVertType, maxVertices);
}
delete[] patches;
u32 vertTypeWithIndex16 = (vertType & ~GE_VTYPE_IDX_MASK) | GE_VTYPE_IDX_16BIT;
UVScale prevUVScale;
if (g_Config.bPrescaleUV) {
// We scaled during Normalize already so let's turn it off when drawing.
prevUVScale = gstate_c.uv;
gstate_c.uv.uScale = 1.0f;
gstate_c.uv.vScale = 1.0f;
gstate_c.uv.uOff = 0;
gstate_c.uv.vOff = 0;
}
int bytesRead;
DispatchSubmitPrim(splineBuffer, quadIndices_, primType[prim_type], count, vertTypeWithIndex16, &bytesRead);
DispatchFlush();
if (g_Config.bPrescaleUV) {
gstate_c.uv = prevUVScale;
}
}
void TransformDrawEngine::SubmitSpline(void* control_points, void* indices, int count_u, int count_v, int type_u, int type_v, GEPatchPrimType prim_type, u32 vertType) {
Flush();
if (prim_type != GE_PATCHPRIM_TRIANGLES) {
// Only triangles supported!
return;
}
u16 index_lower_bound = 0;
u16 index_upper_bound = count_u * count_v - 1;
bool indices_16bit = (vertType & GE_VTYPE_IDX_MASK) == GE_VTYPE_IDX_16BIT;
const u8* indices8 = (const u8*)indices;
const u16* indices16 = (const u16*)indices;
if (indices)
GetIndexBounds(indices, count_u*count_v, vertType, &index_lower_bound, &index_upper_bound);
// Simplify away bones and morph before proceeding
SimpleVertex *simplified_control_points = (SimpleVertex *)(decoded + 65536 * 12);
u8 *temp_buffer = decoded + 65536 * 24;
u32 origVertType = vertType;
vertType = NormalizeVertices((u8 *)simplified_control_points, temp_buffer, (u8 *)control_points, index_lower_bound, index_upper_bound, vertType);
VertexDecoder *vdecoder = GetVertexDecoder(vertType);
int vertexSize = vdecoder->VertexSize();
if (vertexSize != sizeof(SimpleVertex)) {
ERROR_LOG(G3D, "Something went really wrong, vertex size: %i vs %i", vertexSize, (int)sizeof(SimpleVertex));
}
const DecVtxFormat& vtxfmt = vdecoder->GetDecVtxFmt();
// TODO: Do something less idiotic to manage this buffer
SimpleVertex **points = new SimpleVertex *[count_u * count_v];
// Make an array of pointers to the control points, to get rid of indices.
for (int idx = 0; idx < count_u * count_v; idx++) {
if (indices)
points[idx] = simplified_control_points + (indices_16bit ? indices16[idx] : indices8[idx]);
else
points[idx] = simplified_control_points + idx;
}
u8 *decoded2 = decoded + 65536 * 36;
int count = 0;
u8 *dest = decoded2;
SplinePatchLocal patch;
patch.type_u = type_u;
patch.type_v = type_v;
patch.count_u = count_u;
patch.count_v = count_v;
patch.points = points;
TesselateSplinePatch(dest, count, patch, origVertType);
delete[] points;
u32 vertTypeWithIndex16 = (vertType & ~GE_VTYPE_IDX_MASK) | GE_VTYPE_IDX_16BIT;
UVScale prevUVScale;
if (g_Config.bPrescaleUV) {
// We scaled during Normalize already so let's turn it off when drawing.
prevUVScale = gstate_c.uv;
gstate_c.uv.uScale = 1.0f;
gstate_c.uv.vScale = 1.0f;
gstate_c.uv.uOff = 0;
gstate_c.uv.vOff = 0;
}
SubmitPrim(decoded2, quadIndices_, GE_PRIM_TRIANGLES, count, vertTypeWithIndex16, 0);
Flush();
if (g_Config.bPrescaleUV) {
gstate_c.uv = prevUVScale;
}
}
void TransformDrawEngine::SubmitBezier(void* control_points, void* indices, int count_u, int count_v, GEPatchPrimType prim_type, u32 vertType) {
Flush();
if (prim_type != GE_PATCHPRIM_TRIANGLES) {
// Only triangles supported!
return;
}
u16 index_lower_bound = 0;
u16 index_upper_bound = count_u * count_v - 1;
bool indices_16bit = (vertType & GE_VTYPE_IDX_MASK) == GE_VTYPE_IDX_16BIT;
const u8* indices8 = (const u8*)indices;
const u16* indices16 = (const u16*)indices;
if (indices)
GetIndexBounds(indices, count_u*count_v, vertType, &index_lower_bound, &index_upper_bound);
// Simplify away bones and morph before proceeding
SimpleVertex *simplified_control_points = (SimpleVertex *)(decoded + 65536 * 12);
u8 *temp_buffer = decoded + 65536 * 24;
u32 origVertType = vertType;
vertType = NormalizeVertices((u8 *)simplified_control_points, temp_buffer, (u8 *)control_points, index_lower_bound, index_upper_bound, vertType);
VertexDecoder *vdecoder = GetVertexDecoder(vertType);
int vertexSize = vdecoder->VertexSize();
if (vertexSize != sizeof(SimpleVertex)) {
ERROR_LOG(G3D, "Something went really wrong, vertex size: %i vs %i", vertexSize, (int)sizeof(SimpleVertex));
}
const DecVtxFormat& vtxfmt = vdecoder->GetDecVtxFmt();
// Bezier patches share less control points than spline patches. Otherwise they are pretty much the same (except bezier don't support the open/close thing)
int num_patches_u = (count_u - 1) / 3;
int num_patches_v = (count_v - 1) / 3;
BezierPatch* patches = new BezierPatch[num_patches_u * num_patches_v];
for (int patch_u = 0; patch_u < num_patches_u; patch_u++) {
for (int patch_v = 0; patch_v < num_patches_v; patch_v++) {
BezierPatch& patch = patches[patch_u + patch_v * num_patches_u];
for (int point = 0; point < 16; ++point) {
int idx = (patch_u * 3 + point%4) + (patch_v * 3 + point/4) * count_u;
if (indices)
patch.points[point] = simplified_control_points + (indices_16bit ? indices16[idx] : indices8[idx]);
else
patch.points[point] = simplified_control_points + idx;
}
patch.u_index = patch_u * 3;
patch.v_index = patch_v * 3;
}
}
u8 *decoded2 = decoded + 65536 * 36;
int count = 0;
u8 *dest = decoded2;
// Simple approximation of the real tesselation factor.
// We shouldn't really split up into separate 4x4 patches, instead we should do something that works
// like the splines, so we subdivide across the whole "mega-patch".
if (num_patches_u == 0) num_patches_u = 1;
if (num_patches_v == 0) num_patches_v = 1;
int tess_u = gstate.getPatchDivisionU() / num_patches_u;
int tess_v = gstate.getPatchDivisionV() / num_patches_v;
if (tess_u < 4) tess_u = 4;
if (tess_v < 4) tess_v = 4;
for (int patch_idx = 0; patch_idx < num_patches_u*num_patches_v; ++patch_idx) {
BezierPatch& patch = patches[patch_idx];
TesselateBezierPatch(dest, count, tess_u, tess_v, patch, origVertType);
}
delete[] patches;
u32 vertTypeWithIndex16 = (vertType & ~GE_VTYPE_IDX_MASK) | GE_VTYPE_IDX_16BIT;
UVScale prevUVScale;
if (g_Config.bPrescaleUV) {
// We scaled during Normalize already so let's turn it off when drawing.
prevUVScale = gstate_c.uv;
gstate_c.uv.uScale = 1.0f;
gstate_c.uv.vScale = 1.0f;
gstate_c.uv.uOff = 0;
gstate_c.uv.vOff = 0;
}
SubmitPrim(decoded2, quadIndices_, GE_PRIM_TRIANGLES, count, vertTypeWithIndex16, 0);
Flush();
if (g_Config.bPrescaleUV) {
gstate_c.uv = prevUVScale;
}
}
JittedVertexDecoder VertexDecoderJitCache::Compile(const VertexDecoder &dec) {
dec_ = &dec;
const u8 *start = this->GetCodePtr();
#ifdef _M_IX86
// Store register values
PUSH(ESI);
PUSH(EDI);
PUSH(EBX);
PUSH(EBP);
// Read parameters
int offset = 4;
MOV(32, R(srcReg), MDisp(ESP, 16 + offset + 0));
MOV(32, R(dstReg), MDisp(ESP, 16 + offset + 4));
MOV(32, R(counterReg), MDisp(ESP, 16 + offset + 8));
#endif
// Save XMM4/XMM5 which apparently can be problematic?
// Actually, if they are, it must be a compiler bug because they SHOULD be ok.
// So I won't bother.
SUB(PTRBITS, R(ESP), Imm8(64));
MOVUPS(MDisp(ESP, 0), XMM4);
MOVUPS(MDisp(ESP, 16), XMM5);
MOVUPS(MDisp(ESP, 32), XMM6);
MOVUPS(MDisp(ESP, 48), XMM7);
bool prescaleStep = false;
// Look for prescaled texcoord steps
for (int i = 0; i < dec.numSteps_; i++) {
if (dec.steps_[i] == &VertexDecoder::Step_TcU8Prescale ||
dec.steps_[i] == &VertexDecoder::Step_TcU16Prescale ||
dec.steps_[i] == &VertexDecoder::Step_TcFloatPrescale) {
prescaleStep = true;
}
}
// Add code to convert matrices to 4x4.
// Later we might want to do this when the matrices are loaded instead.
// This is mostly proof of concept.
int boneCount = 0;
if (dec.weighttype && g_Config.bSoftwareSkinning) {
for (int i = 0; i < 8; i++) {
MOVUPS(XMM0, M((gstate.boneMatrix + 12 * i)));
MOVUPS(XMM1, M((gstate.boneMatrix + 12 * i + 3)));
MOVUPS(XMM2, M((gstate.boneMatrix + 12 * i + 3 * 2)));
MOVUPS(XMM3, M((gstate.boneMatrix + 12 * i + 3 * 3)));
ANDPS(XMM0, M(&threeMasks));
ANDPS(XMM1, M(&threeMasks));
ANDPS(XMM2, M(&threeMasks));
ANDPS(XMM3, M(&threeMasks));
ORPS(XMM3, M(&aOne));
MOVAPS(M((bones + 16 * i)), XMM0);
MOVAPS(M((bones + 16 * i + 4)), XMM1);
MOVAPS(M((bones + 16 * i + 8)), XMM2);
MOVAPS(M((bones + 16 * i + 12)), XMM3);
}
}
// Keep the scale/offset in a few fp registers if we need it.
if (prescaleStep) {
#ifdef _M_X64
MOV(64, R(tempReg1), Imm64((u64)(&gstate_c.uv)));
#else
MOV(32, R(tempReg1), Imm32((u32)(&gstate_c.uv)));
#endif
MOVSS(fpScaleOffsetReg, MDisp(tempReg1, 0));
MOVSS(fpScratchReg, MDisp(tempReg1, 4));
UNPCKLPS(fpScaleOffsetReg, R(fpScratchReg));
if ((dec.VertexType() & GE_VTYPE_TC_MASK) == GE_VTYPE_TC_8BIT) {
MULPS(fpScaleOffsetReg, M(&by128));
} else if ((dec.VertexType() & GE_VTYPE_TC_MASK) == GE_VTYPE_TC_16BIT) {
MULPS(fpScaleOffsetReg, M(&by32768));
}
MOVSS(fpScratchReg, MDisp(tempReg1, 8));
MOVSS(fpScratchReg2, MDisp(tempReg1, 12));
UNPCKLPS(fpScratchReg, R(fpScratchReg2));
UNPCKLPD(fpScaleOffsetReg, R(fpScratchReg));
}
// Let's not bother with a proper stack frame. We just grab the arguments and go.
JumpTarget loopStart = GetCodePtr();
for (int i = 0; i < dec.numSteps_; i++) {
if (!CompileStep(dec, i)) {
// Reset the code ptr and return zero to indicate that we failed.
SetCodePtr(const_cast<u8 *>(start));
return 0;
}
}
ADD(PTRBITS, R(srcReg), Imm32(dec.VertexSize()));
ADD(PTRBITS, R(dstReg), Imm32(dec.decFmt.stride));
SUB(32, R(counterReg), Imm8(1));
J_CC(CC_NZ, loopStart, true);
MOVUPS(XMM4, MDisp(ESP, 0));
MOVUPS(XMM5, MDisp(ESP, 16));
MOVUPS(XMM6, MDisp(ESP, 32));
MOVUPS(XMM7, MDisp(ESP, 48));
ADD(PTRBITS, R(ESP), Imm8(64));
#ifdef _M_IX86
// Restore register values
POP(EBP);
POP(EBX);
POP(EDI);
POP(ESI);
#endif
RET();
return (JittedVertexDecoder)start;
}
void DrawEngineCommon::SubmitBezier(const void *control_points, const void *indices, int tess_u, int tess_v, int count_u, int count_v, GEPatchPrimType prim_type, bool computeNormals, bool patchFacing, u32 vertType, int *bytesRead) {
PROFILE_THIS_SCOPE("bezier");
DispatchFlush();
u16 index_lower_bound = 0;
u16 index_upper_bound = count_u * count_v - 1;
IndexConverter idxConv(vertType, indices);
if (indices)
GetIndexBounds(indices, count_u*count_v, vertType, &index_lower_bound, &index_upper_bound);
VertexDecoder *origVDecoder = GetVertexDecoder((vertType & 0xFFFFFF) | (gstate.getUVGenMode() << 24));
*bytesRead = count_u * count_v * origVDecoder->VertexSize();
// Real hardware seems to draw nothing when given < 4 either U or V.
// This would result in num_patches_u / num_patches_v being 0.
if (count_u < 4 || count_v < 4) {
return;
}
// Simplify away bones and morph before proceeding
// There are normally not a lot of control points so just splitting decoded should be reasonably safe, although not great.
SimpleVertex *simplified_control_points = (SimpleVertex *)(decoded + 65536 * 12);
u8 *temp_buffer = decoded + 65536 * 18;
u32 origVertType = vertType;
vertType = NormalizeVertices((u8 *)simplified_control_points, temp_buffer, (u8 *)control_points, index_lower_bound, index_upper_bound, vertType);
VertexDecoder *vdecoder = GetVertexDecoder(vertType);
int vertexSize = vdecoder->VertexSize();
if (vertexSize != sizeof(SimpleVertex)) {
ERROR_LOG(G3D, "Something went really wrong, vertex size: %i vs %i", vertexSize, (int)sizeof(SimpleVertex));
}
float *pos = (float*)(decoded + 65536 * 18); // Size 4 float
float *tex = pos + count_u * count_v * 4; // Size 4 float
float *col = tex + count_u * count_v * 4; // Size 4 float
const bool hasColor = (origVertType & GE_VTYPE_COL_MASK) != 0;
const bool hasTexCoords = (origVertType & GE_VTYPE_TC_MASK) != 0;
// Bezier patches share less control points than spline patches. Otherwise they are pretty much the same (except bezier don't support the open/close thing)
int num_patches_u = (count_u - 1) / 3;
int num_patches_v = (count_v - 1) / 3;
BezierPatch *patches = nullptr;
if (g_Config.bHardwareTessellation && g_Config.bHardwareTransform && !g_Config.bSoftwareRendering) {
int posStride, texStride, colStride;
tessDataTransfer->PrepareBuffers(pos, tex, col, posStride, texStride, colStride, count_u * count_v, hasColor, hasTexCoords);
float *p = pos;
float *t = tex;
float *c = col;
for (int idx = 0; idx < count_u * count_v; idx++) {
SimpleVertex *point = simplified_control_points + (indices ? idxConv.convert(idx) : idx);
memcpy(p, point->pos.AsArray(), 3 * sizeof(float));
p += posStride;
if (hasTexCoords) {
memcpy(t, point->uv, 2 * sizeof(float));
t += texStride;
}
if (hasColor) {
memcpy(c, Vec4f::FromRGBA(point->color_32).AsArray(), 4 * sizeof(float));
c += colStride;
}
}
if (!hasColor) {
SimpleVertex *point = simplified_control_points + (indices ? idxConv.convert(0) : 0);
memcpy(col, Vec4f::FromRGBA(point->color_32).AsArray(), 4 * sizeof(float));
}
} else {
patches = new BezierPatch[num_patches_u * num_patches_v];
for (int patch_u = 0; patch_u < num_patches_u; patch_u++) {
for (int patch_v = 0; patch_v < num_patches_v; patch_v++) {
BezierPatch& patch = patches[patch_u + patch_v * num_patches_u];
for (int point = 0; point < 16; ++point) {
int idx = (patch_u * 3 + point % 4) + (patch_v * 3 + point / 4) * count_u;
patch.points[point] = simplified_control_points + (indices ? idxConv.convert(idx) : idx);
}
patch.u_index = patch_u * 3;
patch.v_index = patch_v * 3;
patch.index = patch_v * num_patches_u + patch_u;
patch.primType = prim_type;
patch.computeNormals = computeNormals;
patch.patchFacing = patchFacing;
}
}
}
int count = 0;
u8 *dest = splineBuffer;
// We shouldn't really split up into separate 4x4 patches, instead we should do something that works
// like the splines, so we subdivide across the whole "mega-patch".
// If specified as 0, uses 1.
if (tess_u < 1) {
tess_u = 1;
}
if (tess_v < 1) {
tess_v = 1;
}
u16 *inds = quadIndices_;
if (g_Config.bHardwareTessellation && g_Config.bHardwareTransform && !g_Config.bSoftwareRendering) {
tessDataTransfer->SendDataToShader(pos, tex, col, count_u * count_v, hasColor, hasTexCoords);
TessellateBezierPatchHardware(dest, inds, count, tess_u, tess_v, prim_type);
numPatches = num_patches_u * num_patches_v;
} else {
int maxVertices = SPLINE_BUFFER_SIZE / vertexSize;
// Downsample until it fits, in case crazy tessellation factors are sent.
while ((tess_u + 1) * (tess_v + 1) * num_patches_u * num_patches_v > maxVertices) {
tess_u /= 2;
tess_v /= 2;
}
for (int patch_idx = 0; patch_idx < num_patches_u*num_patches_v; ++patch_idx) {
const BezierPatch &patch = patches[patch_idx];
TessellateBezierPatch(dest, inds, count, tess_u, tess_v, patch, origVertType);
}
delete[] patches;
}
u32 vertTypeWithIndex16 = (vertType & ~GE_VTYPE_IDX_MASK) | GE_VTYPE_IDX_16BIT;
UVScale prevUVScale;
if (origVertType & GE_VTYPE_TC_MASK) {
// We scaled during Normalize already so let's turn it off when drawing.
prevUVScale = gstate_c.uv;
gstate_c.uv.uScale = 1.0f;
gstate_c.uv.vScale = 1.0f;
gstate_c.uv.uOff = 0;
gstate_c.uv.vOff = 0;
}
uint32_t vertTypeID = GetVertTypeID(vertTypeWithIndex16, gstate.getUVGenMode());
int generatedBytesRead;
DispatchSubmitPrim(splineBuffer, quadIndices_, primType[prim_type], count, vertTypeID, &generatedBytesRead);
DispatchFlush();
if (origVertType & GE_VTYPE_TC_MASK) {
gstate_c.uv = prevUVScale;
}
}
void DrawEngineCommon::SubmitSpline(const void *control_points, const void *indices, int tess_u, int tess_v, int count_u, int count_v, int type_u, int type_v, GEPatchPrimType prim_type, bool computeNormals, bool patchFacing, u32 vertType, int *bytesRead) {
PROFILE_THIS_SCOPE("spline");
DispatchFlush();
u16 index_lower_bound = 0;
u16 index_upper_bound = count_u * count_v - 1;
IndexConverter idxConv(vertType, indices);
if (indices)
GetIndexBounds(indices, count_u * count_v, vertType, &index_lower_bound, &index_upper_bound);
VertexDecoder *origVDecoder = GetVertexDecoder((vertType & 0xFFFFFF) | (gstate.getUVGenMode() << 24));
*bytesRead = count_u * count_v * origVDecoder->VertexSize();
// Real hardware seems to draw nothing when given < 4 either U or V.
if (count_u < 4 || count_v < 4) {
return;
}
// Simplify away bones and morph before proceeding
SimpleVertex *simplified_control_points = (SimpleVertex *)(decoded + 65536 * 12);
u8 *temp_buffer = decoded + 65536 * 18;
u32 origVertType = vertType;
vertType = NormalizeVertices((u8 *)simplified_control_points, temp_buffer, (u8 *)control_points, index_lower_bound, index_upper_bound, vertType);
VertexDecoder *vdecoder = GetVertexDecoder(vertType);
int vertexSize = vdecoder->VertexSize();
if (vertexSize != sizeof(SimpleVertex)) {
ERROR_LOG(G3D, "Something went really wrong, vertex size: %i vs %i", vertexSize, (int)sizeof(SimpleVertex));
}
// TODO: Do something less idiotic to manage this buffer
SimpleVertex **points = new SimpleVertex *[count_u * count_v];
// Make an array of pointers to the control points, to get rid of indices.
for (int idx = 0; idx < count_u * count_v; idx++) {
points[idx] = simplified_control_points + (indices ? idxConv.convert(idx) : idx);
}
int count = 0;
u8 *dest = splineBuffer;
SplinePatchLocal patch;
patch.tess_u = tess_u;
patch.tess_v = tess_v;
patch.type_u = type_u;
patch.type_v = type_v;
patch.count_u = count_u;
patch.count_v = count_v;
patch.points = points;
patch.computeNormals = computeNormals;
patch.primType = prim_type;
patch.patchFacing = patchFacing;
if (g_Config.bHardwareTessellation && g_Config.bHardwareTransform && !g_Config.bSoftwareRendering) {
float *pos = (float*)(decoded + 65536 * 18); // Size 4 float
float *tex = pos + count_u * count_v * 4; // Size 4 float
float *col = tex + count_u * count_v * 4; // Size 4 float
const bool hasColor = (origVertType & GE_VTYPE_COL_MASK) != 0;
const bool hasTexCoords = (origVertType & GE_VTYPE_TC_MASK) != 0;
int posStride, texStride, colStride;
tessDataTransfer->PrepareBuffers(pos, tex, col, posStride, texStride, colStride, count_u * count_v, hasColor, hasTexCoords);
float *p = pos;
float *t = tex;
float *c = col;
for (int idx = 0; idx < count_u * count_v; idx++) {
memcpy(p, points[idx]->pos.AsArray(), 3 * sizeof(float));
p += posStride;
if (hasTexCoords) {
memcpy(t, points[idx]->uv, 2 * sizeof(float));
t += texStride;
}
if (hasColor) {
memcpy(c, Vec4f::FromRGBA(points[idx]->color_32).AsArray(), 4 * sizeof(float));
c += colStride;
}
}
if (!hasColor)
memcpy(col, Vec4f::FromRGBA(points[0]->color_32).AsArray(), 4 * sizeof(float));
tessDataTransfer->SendDataToShader(pos, tex, col, count_u * count_v, hasColor, hasTexCoords);
TessellateSplinePatchHardware(dest, quadIndices_, count, patch);
numPatches = (count_u - 3) * (count_v - 3);
} else {
int maxVertexCount = SPLINE_BUFFER_SIZE / vertexSize;
TessellateSplinePatch(dest, quadIndices_, count, patch, origVertType, maxVertexCount);
}
delete[] points;
u32 vertTypeWithIndex16 = (vertType & ~GE_VTYPE_IDX_MASK) | GE_VTYPE_IDX_16BIT;
UVScale prevUVScale;
if ((origVertType & GE_VTYPE_TC_MASK) != 0) {
// We scaled during Normalize already so let's turn it off when drawing.
prevUVScale = gstate_c.uv;
gstate_c.uv.uScale = 1.0f;
gstate_c.uv.vScale = 1.0f;
gstate_c.uv.uOff = 0.0f;
gstate_c.uv.vOff = 0.0f;
}
uint32_t vertTypeID = GetVertTypeID(vertTypeWithIndex16, gstate.getUVGenMode());
int generatedBytesRead;
DispatchSubmitPrim(splineBuffer, quadIndices_, primType[prim_type], count, vertTypeID, &generatedBytesRead);
DispatchFlush();
if ((origVertType & GE_VTYPE_TC_MASK) != 0) {
gstate_c.uv = prevUVScale;
}
}
void TransformDrawEngine::SubmitBezier(void* control_points, void* indices, int count_u, int count_v, GEPatchPrimType prim_type, u32 vertType) {
Flush();
if (prim_type != GE_PATCHPRIM_TRIANGLES) {
// Only triangles supported!
return;
}
u16 index_lower_bound = 0;
u16 index_upper_bound = count_u * count_v - 1;
bool indices_16bit = (vertType & GE_VTYPE_IDX_MASK) == GE_VTYPE_IDX_16BIT;
const u8* indices8 = (const u8*)indices;
const u16* indices16 = (const u16*)indices;
if (indices)
GetIndexBounds(indices, count_u*count_v, vertType, &index_lower_bound, &index_upper_bound);
// Simplify away bones and morph before proceeding
SimpleVertex *simplified_control_points = (SimpleVertex *)(decoded + 65536 * 12);
u8 *temp_buffer = decoded + 65536 * 24;
u32 origVertType = vertType;
vertType = NormalizeVertices((u8 *)simplified_control_points, temp_buffer, (u8 *)control_points, index_lower_bound, index_upper_bound, vertType);
VertexDecoder *vdecoder = GetVertexDecoder(vertType);
int vertexSize = vdecoder->VertexSize();
if (vertexSize != sizeof(SimpleVertex)) {
ERROR_LOG(G3D, "Something went really wrong, vertex size: %i vs %i", vertexSize, (int)sizeof(SimpleVertex));
}
const DecVtxFormat& vtxfmt = vdecoder->GetDecVtxFmt();
// Bezier patches share less control points than spline patches. Otherwise they are pretty much the same (except bezier don't support the open/close thing)
int num_patches_u = (count_u - 1) / 3;
int num_patches_v = (count_v - 1) / 3;
BezierPatch* patches = new BezierPatch[num_patches_u * num_patches_v];
for (int patch_u = 0; patch_u < num_patches_u; patch_u++) {
for (int patch_v = 0; patch_v < num_patches_v; patch_v++) {
BezierPatch& patch = patches[patch_u + patch_v * num_patches_u];
for (int point = 0; point < 16; ++point) {
int idx = (patch_u * 3 + point%4) + (patch_v * 3 + point/4) * count_u;
if (indices)
patch.points[point] = simplified_control_points + (indices_16bit ? indices16[idx] : indices8[idx]);
else
patch.points[point] = simplified_control_points + idx;
}
patch.u_index = patch_u * 3;
patch.v_index = patch_v * 3;
}
}
u8 *decoded2 = decoded + 65536 * 36;
int count = 0;
u8 *dest = decoded2;
for (int patch_idx = 0; patch_idx < num_patches_u*num_patches_v; ++patch_idx) {
BezierPatch& patch = patches[patch_idx];
TesselateBezierPatch(dest, count, patch, origVertType);
}
delete[] patches;
u32 vertTypeWithIndex16 = (vertType & ~GE_VTYPE_IDX_MASK) | GE_VTYPE_IDX_16BIT;
SubmitPrim(decoded2, quadIndices_, GE_PRIM_TRIANGLES, count, vertTypeWithIndex16, -1, 0);
Flush();
}
void TransformDrawEngine::SubmitSpline(void* control_points, void* indices, int count_u, int count_v, int type_u, int type_v, u32 prim_type, u32 vertex_type)
{
Flush();
if (prim_type != GE_PATCHPRIM_TRIANGLES) {
// Only triangles supported!
return;
}
// We're not actually going to decode, only reshuffle.
VertexDecoder vdecoder;
vdecoder.SetVertexType(vertex_type);
int undecodedVertexSize = vdecoder.VertexSize();
const DecVtxFormat& vtxfmt = vdecoder.GetDecVtxFmt();
u16 index_lower_bound = 0;
u16 index_upper_bound = count_u * count_v - 1;
bool indices_16bit = (vertex_type & GE_VTYPE_IDX_MASK) == GE_VTYPE_IDX_16BIT;
u8* indices8 = (u8*)indices;
u16* indices16 = (u16*)indices;
if (indices)
GetIndexBounds(indices, count_u*count_v, vertex_type, &index_lower_bound, &index_upper_bound);
int num_patches_u = count_u - 3;
int num_patches_v = count_v - 3;
// TODO: Do something less idiotic to manage this buffer
HWSplinePatch* patches = new HWSplinePatch[num_patches_u * num_patches_v];
for (int patch_u = 0; patch_u < num_patches_u; ++patch_u) {
for (int patch_v = 0; patch_v < num_patches_v; ++patch_v) {
HWSplinePatch& patch = patches[patch_u + patch_v * num_patches_u];
for (int point = 0; point < 16; ++point) {
int idx = (patch_u + point%4) + (patch_v + point/4) * count_u;
if (indices)
patch.points[point] = (u8 *)control_points + undecodedVertexSize * (indices_16bit ? indices16[idx] : indices8[idx]);
else
patch.points[point] = (u8 *)control_points + undecodedVertexSize * idx;
}
patch.type = (type_u | (type_v<<2));
if (patch_u != 0) patch.type &= ~START_OPEN_U;
if (patch_v != 0) patch.type &= ~START_OPEN_V;
if (patch_u != num_patches_u-1) patch.type &= ~END_OPEN_U;
if (patch_v != num_patches_v-1) patch.type &= ~END_OPEN_V;
}
}
u8 *decoded2 = decoded + 65536 * 24;
int count = 0;
u8 *dest = decoded2;
for (int patch_idx = 0; patch_idx < num_patches_u*num_patches_v; ++patch_idx) {
HWSplinePatch& patch = patches[patch_idx];
// TODO: Should do actual patch subdivision instead of just drawing the control points!
const int tile_min_u = (patch.type & START_OPEN_U) ? 0 : 1;
const int tile_min_v = (patch.type & START_OPEN_V) ? 0 : 1;
const int tile_max_u = (patch.type & END_OPEN_U) ? 3 : 2;
const int tile_max_v = (patch.type & END_OPEN_V) ? 3 : 2;
for (int tile_u = tile_min_u; tile_u < tile_max_u; ++tile_u) {
for (int tile_v = tile_min_v; tile_v < tile_max_v; ++tile_v) {
int point_index = tile_u + tile_v*4;
u8 *v0 = patch.points[point_index];
u8 *v1 = patch.points[point_index+1];
u8 *v2 = patch.points[point_index+4];
u8 *v3 = patch.points[point_index+5];
// TODO: Insert UVs where applicable. Actually subdivide.
CopyTriangle(dest, v0, v1, v2, undecodedVertexSize);
CopyTriangle(dest, v2, v1, v0, undecodedVertexSize);
CopyTriangle(dest, v2, v1, v3, undecodedVertexSize);
CopyTriangle(dest, v3, v1, v2, undecodedVertexSize);
count += 12;
}
}
}
delete[] patches;
u32 vertTypeWithoutIndex = vertex_type & ~GE_VTYPE_IDX_MASK;
SubmitPrim(decoded2, 0, GE_PRIM_TRIANGLES, count, vertTypeWithoutIndex, GE_VTYPE_IDX_NONE, 0);
Flush();
}