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Optimize bbox some more

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This commit is contained in:
Henrik Rydgard 2013-11-14 12:25:53 +01:00
parent 4f93654a88
commit 35ae239eb9
1 changed files with 26 additions and 26 deletions
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52
GPU/GLES/TransformPipeline.cpp
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@ -753,7 +753,7 @@ void PlanesFromMatrix(float mtx[16], Plane planes[6]) {
planes[5].Set(mtx[3]-mtx[2], mtx[7]-mtx[6], mtx[11]-mtx[10], mtx[15]-mtx[14]); // Far
}
static void ConvertMatrix4x3To4x4(const float *m4x3, float *m4x4) {
static void ConvertMatrix4x3To4x4(float *m4x4, const float *m4x3) {
m4x4[0] = m4x3[0];
m4x4[1] = m4x3[1];
m4x4[2] = m4x3[2];
@ -778,44 +778,44 @@ static void ConvertMatrix4x3To4x4(const float *m4x3, float *m4x4) {
// our clipping planes, we reject the box.
bool TransformDrawEngine::TestBoundingBox(void* control_points, int vertexCount, u32 vertType) {
// TODO: Skip NormalizeVertices if vertType = only float
// Simplify away bones and morph before proceeding
// Special case for float positions only.
// This clip test is not very accurate but does succeed in removing some bboxes at least.
SimpleVertex *corners = (SimpleVertex *)(decoded + 65536 * 12);
u8 *temp_buffer = decoded + 65536 * 24;
u32 origVertType = vertType;
vertType = NormalizeVertices((u8 *)corners, temp_buffer, (u8 *)control_points, 0, vertexCount, vertType);
if ((vertType & 0xFFFFFF) == GE_VTYPE_POS_FLOAT) {
// Special case for float positions only.
const float *ctrl = (const float *)control_points;
for (int i = 0; i < vertexCount; i++) {
corners[i].pos.x = ctrl[i * 3];
corners[i].pos.y = ctrl[i * 3 + 1];
corners[i].pos.z = ctrl[i * 3 + 2];
}
} else {
// Simplify away bones and morph before proceeding
u8 *temp_buffer = decoded + 65536 * 24;
u32 origVertType = vertType;
vertType = NormalizeVertices((u8 *)corners, temp_buffer, (u8 *)control_points, 0, vertexCount, vertType);
}
Plane planes[6];
// TODO: Multiply the matrices together first, so that we can skip the matrix multiplications later
float world[16];
float view[16];
ConvertMatrix4x3To4x4(gstate.worldMatrix, world);
ConvertMatrix4x3To4x4(gstate.viewMatrix, view);
float worldview[16];
Matrix4ByMatrix4(worldview, world, view);
float worldviewproj[16];
ConvertMatrix4x3To4x4(world, gstate.worldMatrix);
ConvertMatrix4x3To4x4(view, gstate.viewMatrix);
Matrix4ByMatrix4(worldview, world, view);
Matrix4ByMatrix4(worldviewproj, worldview, gstate.projMatrix);
PlanesFromMatrix(worldviewproj, planes);
for (int plane = 0; plane < 6; plane++) {
int inside = 0;
int out = 0;
for (int box = 0; box < vertexCount / 8; box++) {
// For each box...
for (int i = 0; i < 8; i++) {
const SimpleVertex &vert = corners[box * 8 + i];
// Here we can test against the frustum planes!
float value = planes[plane].Test((float *)&vert.pos.x);
if (value < 0)
out++;
else
inside++;
}
for (int i = 0; i < vertexCount; i++) {
const SimpleVertex &vert = corners[i];
// Here we can test against the frustum planes!
float value = planes[plane].Test((float *)&vert.pos.x);
if (value < 0)
out++;
else
inside++;
}
if (inside == 0) {