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-rw-r--r--indra/newview/llviewercamera.cpp273
1 files changed, 90 insertions, 183 deletions
diff --git a/indra/newview/llviewercamera.cpp b/indra/newview/llviewercamera.cpp
index a4b094a361..f5acc840be 100644
--- a/indra/newview/llviewercamera.cpp
+++ b/indra/newview/llviewercamera.cpp
@@ -60,28 +60,6 @@ LLTrace::CountStatHandle<> LLViewerCamera::sAngularVelocityStat("camera_angular_
LLViewerCamera::eCameraID LLViewerCamera::sCurCameraID = LLViewerCamera::CAMERA_WORLD;
-//glu pick matrix implementation borrowed from Mesa3D
-glh::matrix4f gl_pick_matrix(GLfloat x, GLfloat y, GLfloat width, GLfloat height, GLint* viewport)
-{
- GLfloat m[16];
- GLfloat sx, sy;
- GLfloat tx, ty;
-
- sx = viewport[2] / width;
- sy = viewport[3] / height;
- tx = (viewport[2] + 2.f * (viewport[0] - x)) / width;
- ty = (viewport[3] + 2.f * (viewport[1] - y)) / height;
-
- #define M(row,col) m[col*4+row]
- M(0,0) = sx; M(0,1) = 0.f; M(0,2) = 0.f; M(0,3) = tx;
- M(1,0) = 0.f; M(1,1) = sy; M(1,2) = 0.f; M(1,3) = ty;
- M(2,0) = 0.f; M(2,1) = 0.f; M(2,2) = 1.f; M(2,3) = 0.f;
- M(3,0) = 0.f; M(3,1) = 0.f; M(3,2) = 0.f; M(3,3) = 1.f;
- #undef M
-
- return glh::matrix4f(m);
-}
-
LLViewerCamera::LLViewerCamera() : LLCamera()
{
calcProjection(getFar());
@@ -204,60 +182,52 @@ void LLViewerCamera::calcProjection(const F32 far_distance) const
//static
void LLViewerCamera::updateFrustumPlanes(LLCamera& camera, bool ortho, bool zflip, bool no_hacks)
{
-#if GLU_VERSION_1_1
- GLint* viewport = (GLint*) gGLViewport;
- F64 model[16];
- F64 proj[16];
-
- for (U32 i = 0; i < 16; i++)
- {
- model[i] = (F64) gGLModelView[i];
- proj[i] = (F64) gGLProjection[i];
- }
-
- GLdouble objX,objY,objZ;
+ glm::ivec4 viewport = glm::make_vec4((GLint*) gGLViewport);
+ glm::mat4 model = get_current_modelview();
+ glm::mat4 proj = get_current_projection();
LLVector3 frust[8];
+ glm::vec3 obj;
if (no_hacks)
{
- gluUnProject(viewport[0],viewport[1],0,model,proj,viewport,&objX,&objY,&objZ);
- frust[0].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0]+viewport[2],viewport[1],0,model,proj,viewport,&objX,&objY,&objZ);
- frust[1].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0]+viewport[2],viewport[1]+viewport[3],0,model,proj,viewport,&objX,&objY,&objZ);
- frust[2].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0],viewport[1]+viewport[3],0,model,proj,viewport,&objX,&objY,&objZ);
- frust[3].setVec((F32)objX,(F32)objY,(F32)objZ);
-
- gluUnProject(viewport[0],viewport[1],1,model,proj,viewport,&objX,&objY,&objZ);
- frust[4].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0]+viewport[2],viewport[1],1,model,proj,viewport,&objX,&objY,&objZ);
- frust[5].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0]+viewport[2],viewport[1]+viewport[3],1,model,proj,viewport,&objX,&objY,&objZ);
- frust[6].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0],viewport[1]+viewport[3],1,model,proj,viewport,&objX,&objY,&objZ);
- frust[7].setVec((F32)objX,(F32)objY,(F32)objZ);
+ obj = glm::unProject(glm::vec3(viewport[0], viewport[1], 0), model, proj, viewport);
+ frust[0].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0]+viewport[2],viewport[1],0),model,proj,viewport);
+ frust[1].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0]+viewport[2],viewport[1]+viewport[3],0),model,proj,viewport);
+ frust[2].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0],viewport[1]+viewport[3],0),model,proj,viewport);
+ frust[3].setVec(glm::value_ptr(obj));
+
+ obj = glm::unProject(glm::vec3(viewport[0],viewport[1],1),model,proj,viewport);
+ frust[4].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0]+viewport[2],viewport[1],1),model,proj,viewport);
+ frust[5].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0]+viewport[2],viewport[1]+viewport[3],1),model,proj,viewport);
+ frust[6].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0],viewport[1]+viewport[3],1),model,proj,viewport);
+ frust[7].setVec(glm::value_ptr(obj));
}
else if (zflip)
{
- gluUnProject(viewport[0],viewport[1]+viewport[3],0,model,proj,viewport,&objX,&objY,&objZ);
- frust[0].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0]+viewport[2],viewport[1]+viewport[3],0,model,proj,viewport,&objX,&objY,&objZ);
- frust[1].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0]+viewport[2],viewport[1],0,model,proj,viewport,&objX,&objY,&objZ);
- frust[2].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0],viewport[1],0,model,proj,viewport,&objX,&objY,&objZ);
- frust[3].setVec((F32)objX,(F32)objY,(F32)objZ);
-
- gluUnProject(viewport[0],viewport[1]+viewport[3],1,model,proj,viewport,&objX,&objY,&objZ);
- frust[4].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0]+viewport[2],viewport[1]+viewport[3],1,model,proj,viewport,&objX,&objY,&objZ);
- frust[5].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0]+viewport[2],viewport[1],1,model,proj,viewport,&objX,&objY,&objZ);
- frust[6].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0],viewport[1],1,model,proj,viewport,&objX,&objY,&objZ);
- frust[7].setVec((F32)objX,(F32)objY,(F32)objZ);
+ obj = glm::unProject(glm::vec3(viewport[0],viewport[1]+viewport[3],0),model,proj,viewport);
+ frust[0].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0]+viewport[2],viewport[1]+viewport[3],0),model,proj,viewport);
+ frust[1].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0]+viewport[2],viewport[1],0),model,proj,viewport);
+ frust[2].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0],viewport[1],0),model,proj,viewport);
+ frust[3].setVec(glm::value_ptr(obj));
+
+ obj = glm::unProject(glm::vec3(viewport[0],viewport[1]+viewport[3],1),model,proj,viewport);
+ frust[4].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0]+viewport[2],viewport[1]+viewport[3],1),model,proj,viewport);
+ frust[5].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0]+viewport[2],viewport[1],1),model,proj,viewport);
+ frust[6].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0],viewport[1],1),model,proj,viewport);
+ frust[7].setVec(glm::value_ptr(obj));
for (U32 i = 0; i < 4; i++)
{
@@ -268,14 +238,14 @@ void LLViewerCamera::updateFrustumPlanes(LLCamera& camera, bool ortho, bool zfli
}
else
{
- gluUnProject(viewport[0],viewport[1],0,model,proj,viewport,&objX,&objY,&objZ);
- frust[0].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0]+viewport[2],viewport[1],0,model,proj,viewport,&objX,&objY,&objZ);
- frust[1].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0]+viewport[2],viewport[1]+viewport[3],0,model,proj,viewport,&objX,&objY,&objZ);
- frust[2].setVec((F32)objX,(F32)objY,(F32)objZ);
- gluUnProject(viewport[0],viewport[1]+viewport[3],0,model,proj,viewport,&objX,&objY,&objZ);
- frust[3].setVec((F32)objX,(F32)objY,(F32)objZ);
+ obj = glm::unProject(glm::vec3(viewport[0],viewport[1],0),model,proj,viewport);
+ frust[0].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0]+viewport[2],viewport[1],0),model,proj,viewport);
+ frust[1].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0]+viewport[2],viewport[1]+viewport[3],0),model,proj,viewport);
+ frust[2].setVec(glm::value_ptr(obj));
+ obj = glm::unProject(glm::vec3(viewport[0],viewport[1]+viewport[3],0),model,proj,viewport);
+ frust[3].setVec(glm::value_ptr(obj));
if (ortho)
{
@@ -297,7 +267,6 @@ void LLViewerCamera::updateFrustumPlanes(LLCamera& camera, bool ortho, bool zfli
}
camera.calcAgentFrustumPlanes(frust);
-#endif // GLU_VERSION_1_1
}
void LLViewerCamera::setPerspective(bool for_selection,
@@ -306,7 +275,7 @@ void LLViewerCamera::setPerspective(bool for_selection,
F32 z_near, F32 z_far)
{
F32 fov_y, aspect;
- fov_y = RAD_TO_DEG * getView();
+ fov_y = getView();
bool z_default_far = false;
if (z_far <= 0)
{
@@ -323,20 +292,19 @@ void LLViewerCamera::setPerspective(bool for_selection,
gGL.matrixMode(LLRender::MM_PROJECTION);
gGL.loadIdentity();
- glh::matrix4f proj_mat;
+ glm::mat4 proj_mat = glm::identity<glm::mat4>();
if (for_selection)
{
// make a tiny little viewport
// anything drawn into this viewport will be "selected"
- GLint viewport[4];
- viewport[0] = gViewerWindow->getWorldViewRectRaw().mLeft;
- viewport[1] = gViewerWindow->getWorldViewRectRaw().mBottom;
- viewport[2] = gViewerWindow->getWorldViewRectRaw().getWidth();
- viewport[3] = gViewerWindow->getWorldViewRectRaw().getHeight();
+ glm::ivec4 viewport(gViewerWindow->getWorldViewRectRaw().mLeft,
+ gViewerWindow->getWorldViewRectRaw().mBottom,
+ gViewerWindow->getWorldViewRectRaw().getWidth(),
+ gViewerWindow->getWorldViewRectRaw().getHeight());
- proj_mat = gl_pick_matrix(x+width/2.f, y_from_bot+height/2.f, (GLfloat) width, (GLfloat) height, viewport);
+ proj_mat = glm::pickMatrix(glm::vec2(x + width / 2.f, y_from_bot + height / 2.f), glm::vec2((GLfloat)width, (GLfloat)height), viewport);
if (limit_select_distance)
{
@@ -367,37 +335,35 @@ void LLViewerCamera::setPerspective(bool for_selection,
float offset = mZoomFactor - 1.f;
int pos_y = mZoomSubregion / llceil(mZoomFactor);
int pos_x = mZoomSubregion - (pos_y*llceil(mZoomFactor));
- glh::matrix4f translate;
- translate.set_translate(glh::vec3f(offset - (F32)pos_x * 2.f, offset - (F32)pos_y * 2.f, 0.f));
- glh::matrix4f scale;
- scale.set_scale(glh::vec3f(mZoomFactor, mZoomFactor, 1.f));
- proj_mat = scale*proj_mat;
- proj_mat = translate*proj_mat;
+ glm::mat4 translate;
+ translate = glm::translate(glm::vec3(offset - (F32)pos_x * 2.f, offset - (F32)pos_y * 2.f, 0.f));
+ glm::mat4 scale;
+ scale = glm::scale(glm::vec3(mZoomFactor, mZoomFactor, 1.f));
+
+ proj_mat = scale * proj_mat;
+ proj_mat = translate * proj_mat;
}
calcProjection(z_far); // Update the projection matrix cache
- proj_mat *= gl_perspective(fov_y,aspect,z_near,z_far);
+ proj_mat *= glm::perspective(fov_y,aspect,z_near,z_far);
- gGL.loadMatrix(proj_mat.m);
+ gGL.loadMatrix(glm::value_ptr(proj_mat));
- for (U32 i = 0; i < 16; i++)
- {
- gGLProjection[i] = proj_mat.m[i];
- }
+ set_current_projection(proj_mat);
gGL.matrixMode(LLRender::MM_MODELVIEW);
- glh::matrix4f modelview((GLfloat*) OGL_TO_CFR_ROTATION);
+ glm::mat4 modelview(glm::make_mat4((GLfloat*) OGL_TO_CFR_ROTATION));
GLfloat ogl_matrix[16];
getOpenGLTransform(ogl_matrix);
- modelview *= glh::matrix4f(ogl_matrix);
+ modelview *= glm::make_mat4(ogl_matrix);
- gGL.loadMatrix(modelview.m);
+ gGL.loadMatrix(glm::value_ptr(modelview));
if (for_selection && (width > 1 || height > 1))
{
@@ -415,10 +381,7 @@ void LLViewerCamera::setPerspective(bool for_selection,
if (!for_selection && mZoomFactor == 1.f)
{
// Save GL matrices for access elsewhere in code, especially project_world_to_screen
- for (U32 i = 0; i < 16; i++)
- {
- gGLModelView[i] = modelview.m[i];
- }
+ set_current_modelview(modelview);
}
updateFrustumPlanes(*this);
@@ -429,26 +392,8 @@ void LLViewerCamera::setPerspective(bool for_selection,
// screen coordinates to the agent's region.
void LLViewerCamera::projectScreenToPosAgent(const S32 screen_x, const S32 screen_y, LLVector3* pos_agent) const
{
- GLdouble x, y, z;
-
- F64 mdlv[16];
- F64 proj[16];
-
- for (U32 i = 0; i < 16; i++)
- {
- mdlv[i] = (F64) gGLModelView[i];
- proj[i] = (F64) gGLProjection[i];
- }
-
-#if GLU_VERSION_1_1
- gluUnProject(
- GLdouble(screen_x), GLdouble(screen_y), 0.0,
- mdlv, proj, (GLint*)gGLViewport,
- &x,
- &y,
- &z );
-#endif
- pos_agent->setVec( (F32)x, (F32)y, (F32)z );
+ glm::vec3 agent_coord = glm::unProject(glm::vec3(screen_x, screen_y, 0.f), get_current_modelview(), get_current_projection(), glm::make_vec4(gGLViewport));
+ pos_agent->setVec( (F32)agent_coord.x, (F32)agent_coord.y, (F32)agent_coord.z );
}
// Uses the last GL matrices set in set_perspective to project a point from
@@ -457,7 +402,6 @@ void LLViewerCamera::projectScreenToPosAgent(const S32 screen_x, const S32 scree
bool LLViewerCamera::projectPosAgentToScreen(const LLVector3 &pos_agent, LLCoordGL &out_point, const bool clamp) const
{
bool in_front = true;
- GLdouble x, y, z; // object's window coords, GL-style
LLVector3 dir_to_point = pos_agent - getOrigin();
dir_to_point /= dir_to_point.magVec();
@@ -475,36 +419,20 @@ bool LLViewerCamera::projectPosAgentToScreen(const LLVector3 &pos_agent, LLCoord
}
LLRect world_view_rect = gViewerWindow->getWorldViewRectRaw();
- S32 viewport[4];
- viewport[0] = world_view_rect.mLeft;
- viewport[1] = world_view_rect.mBottom;
- viewport[2] = world_view_rect.getWidth();
- viewport[3] = world_view_rect.getHeight();
-
- F64 mdlv[16];
- F64 proj[16];
+ glm::ivec4 viewport(world_view_rect.mLeft, world_view_rect.mBottom, world_view_rect.getWidth(), world_view_rect.getHeight());
+ glm::vec3 win_coord = glm::project(glm::make_vec3(pos_agent.mV), get_current_modelview(), get_current_projection(), viewport);
- for (U32 i = 0; i < 16; i++)
- {
- mdlv[i] = (F64) gGLModelView[i];
- proj[i] = (F64) gGLProjection[i];
- }
-
-#if GLU_VERSION_1_1
- if (GL_TRUE == gluProject(pos_agent.mV[VX], pos_agent.mV[VY], pos_agent.mV[VZ],
- mdlv, proj, (GLint*)viewport,
- &x, &y, &z))
{
// convert screen coordinates to virtual UI coordinates
- x /= gViewerWindow->getDisplayScale().mV[VX];
- y /= gViewerWindow->getDisplayScale().mV[VY];
+ win_coord.x /= gViewerWindow->getDisplayScale().mV[VX];
+ win_coord.y /= gViewerWindow->getDisplayScale().mV[VY];
// should now have the x,y coords of grab_point in screen space
LLRect world_rect = gViewerWindow->getWorldViewRectScaled();
// convert to pixel coordinates
- S32 int_x = lltrunc(x);
- S32 int_y = lltrunc(y);
+ S32 int_x = lltrunc(win_coord.x);
+ S32 int_y = lltrunc(win_coord.y);
bool valid = true;
@@ -566,11 +494,6 @@ bool LLViewerCamera::projectPosAgentToScreen(const LLVector3 &pos_agent, LLCoord
return in_front && valid;
}
}
- else
-#endif // GLU_VERSION_1_1
- {
- return false;
- }
}
// Uses the last GL matrices set in set_perspective to project a point from
@@ -590,49 +513,33 @@ bool LLViewerCamera::projectPosAgentToScreenEdge(const LLVector3 &pos_agent,
}
LLRect world_view_rect = gViewerWindow->getWorldViewRectRaw();
- S32 viewport[4];
- viewport[0] = world_view_rect.mLeft;
- viewport[1] = world_view_rect.mBottom;
- viewport[2] = world_view_rect.getWidth();
- viewport[3] = world_view_rect.getHeight();
- GLdouble x, y, z; // object's window coords, GL-style
-
- F64 mdlv[16];
- F64 proj[16];
- for (U32 i = 0; i < 16; i++)
- {
- mdlv[i] = (F64) gGLModelView[i];
- proj[i] = (F64) gGLProjection[i];
- }
+ glm::ivec4 viewport(world_view_rect.mLeft, world_view_rect.mBottom, world_view_rect.getWidth(), world_view_rect.getHeight());
+ glm::vec3 win_coord = glm::project(glm::make_vec3(pos_agent.mV), get_current_modelview(), get_current_projection(), viewport);
- if (GL_TRUE == gluProject(pos_agent.mV[VX], pos_agent.mV[VY],
- pos_agent.mV[VZ], mdlv,
- proj, (GLint*)viewport,
- &x, &y, &z))
{
- x /= gViewerWindow->getDisplayScale().mV[VX];
- y /= gViewerWindow->getDisplayScale().mV[VY];
+ win_coord.x /= gViewerWindow->getDisplayScale().mV[VX];
+ win_coord.y /= gViewerWindow->getDisplayScale().mV[VY];
// should now have the x,y coords of grab_point in screen space
const LLRect& world_rect = gViewerWindow->getWorldViewRectScaled();
// ...sanity check
- S32 int_x = lltrunc(x);
- S32 int_y = lltrunc(y);
+ S32 int_x = lltrunc(win_coord.x);
+ S32 int_y = lltrunc(win_coord.y);
// find the center
- GLdouble center_x = (GLdouble)world_rect.getCenterX();
- GLdouble center_y = (GLdouble)world_rect.getCenterY();
+ F32 center_x = (F32)world_rect.getCenterX();
+ F32 center_y = (F32)world_rect.getCenterY();
- if (x == center_x && y == center_y)
+ if (win_coord.x == center_x && win_coord.y == center_y)
{
// can't project to edge from exact center
return false;
}
// find the line from center to local
- GLdouble line_x = x - center_x;
- GLdouble line_y = y - center_y;
+ F32 line_x = win_coord.x - center_x;
+ F32 line_y = win_coord.y - center_y;
int_x = lltrunc(center_x);
int_y = lltrunc(center_y);
@@ -653,11 +560,11 @@ bool LLViewerCamera::projectPosAgentToScreenEdge(const LLVector3 &pos_agent,
else if (0 == world_rect.getWidth())
{
// the diagonal slope of the view is undefined
- if (y < world_rect.mBottom)
+ if (win_coord.y < world_rect.mBottom)
{
int_y = world_rect.mBottom;
}
- else if ( y > world_rect.mTop)
+ else if (win_coord.y > world_rect.mTop)
{
int_y = world_rect.mTop;
}
@@ -679,7 +586,7 @@ bool LLViewerCamera::projectPosAgentToScreenEdge(const LLVector3 &pos_agent,
// top
int_y = world_rect.mTop;
}
- int_x = lltrunc(((GLdouble)int_y - center_y) / line_slope + center_x);
+ int_x = lltrunc(((F32)int_y - center_y) / line_slope + center_x);
}
else if (fabs(line_slope) < rect_slope)
{
@@ -693,7 +600,7 @@ bool LLViewerCamera::projectPosAgentToScreenEdge(const LLVector3 &pos_agent,
// right
int_x = world_rect.mRight;
}
- int_y = lltrunc(((GLdouble)int_x - center_x) * line_slope + center_y);
+ int_y = lltrunc(((F32)int_x - center_x) * line_slope + center_y);
}
else
{
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-23 17:16:25 +0000