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Diffstat (limited to 'src/mesa/tnl/t_rasterpos.c')
-rw-r--r--src/mesa/tnl/t_rasterpos.c64
1 files changed, 37 insertions, 27 deletions
diff --git a/src/mesa/tnl/t_rasterpos.c b/src/mesa/tnl/t_rasterpos.c
index dfbe0f1806..a8cf86060f 100644
--- a/src/mesa/tnl/t_rasterpos.c
+++ b/src/mesa/tnl/t_rasterpos.c
@@ -26,17 +26,19 @@
#include "main/glheader.h"
#include "main/colormac.h"
#include "main/context.h"
-#include "feedback.h"
-#include "light.h"
+#include "main/feedback.h"
+#include "main/light.h"
#include "main/macros.h"
-#include "rastpos.h"
-#include "simple_list.h"
+#include "main/rastpos.h"
+#include "main/simple_list.h"
#include "main/mtypes.h"
#include "math/m_matrix.h"
#include "tnl/tnl.h"
+#if FEATURE_rastpos
+
/**
* Clip a point against the view volume.
@@ -46,11 +48,10 @@
* \return zero if outside view volume, or one if inside.
*/
static GLuint
-viewclip_point( const GLfloat v[] )
+viewclip_point_xy( const GLfloat v[] )
{
if ( v[0] > v[3] || v[0] < -v[3]
- || v[1] > v[3] || v[1] < -v[3]
- || v[2] > v[3] || v[2] < -v[3] ) {
+ || v[1] > v[3] || v[1] < -v[3] ) {
return 0;
}
else {
@@ -167,7 +168,7 @@ shade_rastpos(GLcontext *ctx,
light->QuadraticAttenuation));
if (light->_Flags & LIGHT_SPOT) {
- GLfloat PV_dot_dir = - DOT3(VP, light->_NormDirection);
+ GLfloat PV_dot_dir = - DOT3(VP, light->_NormSpotDirection);
if (PV_dot_dir<light->_CosCutoff) {
continue;
@@ -301,12 +302,12 @@ compute_texgen(GLcontext *ctx, const GLfloat vObj[4], const GLfloat vEye[4],
mInv = 0.0F;
if (texUnit->TexGenEnabled & S_BIT) {
- switch (texUnit->GenModeS) {
+ switch (texUnit->GenS.Mode) {
case GL_OBJECT_LINEAR:
- texcoord[0] = DOT4(vObj, texUnit->ObjectPlaneS);
+ texcoord[0] = DOT4(vObj, texUnit->GenS.ObjectPlane);
break;
case GL_EYE_LINEAR:
- texcoord[0] = DOT4(vEye, texUnit->EyePlaneS);
+ texcoord[0] = DOT4(vEye, texUnit->GenS.EyePlane);
break;
case GL_SPHERE_MAP:
texcoord[0] = rx * mInv + 0.5F;
@@ -324,12 +325,12 @@ compute_texgen(GLcontext *ctx, const GLfloat vObj[4], const GLfloat vEye[4],
}
if (texUnit->TexGenEnabled & T_BIT) {
- switch (texUnit->GenModeT) {
+ switch (texUnit->GenT.Mode) {
case GL_OBJECT_LINEAR:
- texcoord[1] = DOT4(vObj, texUnit->ObjectPlaneT);
+ texcoord[1] = DOT4(vObj, texUnit->GenT.ObjectPlane);
break;
case GL_EYE_LINEAR:
- texcoord[1] = DOT4(vEye, texUnit->EyePlaneT);
+ texcoord[1] = DOT4(vEye, texUnit->GenT.EyePlane);
break;
case GL_SPHERE_MAP:
texcoord[1] = ry * mInv + 0.5F;
@@ -347,12 +348,12 @@ compute_texgen(GLcontext *ctx, const GLfloat vObj[4], const GLfloat vEye[4],
}
if (texUnit->TexGenEnabled & R_BIT) {
- switch (texUnit->GenModeR) {
+ switch (texUnit->GenR.Mode) {
case GL_OBJECT_LINEAR:
- texcoord[2] = DOT4(vObj, texUnit->ObjectPlaneR);
+ texcoord[2] = DOT4(vObj, texUnit->GenR.ObjectPlane);
break;
case GL_EYE_LINEAR:
- texcoord[2] = DOT4(vEye, texUnit->EyePlaneR);
+ texcoord[2] = DOT4(vEye, texUnit->GenR.EyePlane);
break;
case GL_REFLECTION_MAP:
texcoord[2] = rz;
@@ -367,12 +368,12 @@ compute_texgen(GLcontext *ctx, const GLfloat vObj[4], const GLfloat vEye[4],
}
if (texUnit->TexGenEnabled & Q_BIT) {
- switch (texUnit->GenModeQ) {
+ switch (texUnit->GenQ.Mode) {
case GL_OBJECT_LINEAR:
- texcoord[3] = DOT4(vObj, texUnit->ObjectPlaneQ);
+ texcoord[3] = DOT4(vObj, texUnit->GenQ.ObjectPlane);
break;
case GL_EYE_LINEAR:
- texcoord[3] = DOT4(vEye, texUnit->EyePlaneQ);
+ texcoord[3] = DOT4(vEye, texUnit->GenQ.EyePlane);
break;
default:
_mesa_problem(ctx, "Bad Q texgen in compute_texgen()");
@@ -408,18 +409,18 @@ _tnl_RasterPos(GLcontext *ctx, const GLfloat vObj[4])
/* apply projection matrix: clip = Proj * eye */
TRANSFORM_POINT( clip, ctx->ProjectionMatrixStack.Top->m, eye );
- /* clip to view volume */
- if (ctx->Transform.RasterPositionUnclipped) {
- /* GL_IBM_rasterpos_clip: only clip against Z */
+ /* clip to view volume. */
+ if (!ctx->Transform.DepthClamp) {
if (viewclip_point_z(clip) == 0) {
ctx->Current.RasterPosValid = GL_FALSE;
return;
}
}
- else if (viewclip_point(clip) == 0) {
- /* Normal OpenGL behaviour */
- ctx->Current.RasterPosValid = GL_FALSE;
- return;
+ if (!ctx->Transform.RasterPositionUnclipped) {
+ if (viewclip_point_xy(clip) == 0) {
+ ctx->Current.RasterPosValid = GL_FALSE;
+ return;
+ }
}
/* clip to user clipping planes */
@@ -443,6 +444,12 @@ _tnl_RasterPos(GLcontext *ctx, const GLfloat vObj[4])
/ ctx->DrawBuffer->_DepthMaxF;
ctx->Current.RasterPos[3] = clip[3];
+ if (ctx->Transform.DepthClamp) {
+ ctx->Current.RasterPos[3] = CLAMP(ctx->Current.RasterPos[3],
+ ctx->Viewport.Near,
+ ctx->Viewport.Far);
+ }
+
/* compute raster distance */
if (ctx->Fog.FogCoordinateSource == GL_FOG_COORDINATE_EXT)
ctx->Current.RasterDistance = ctx->Current.Attrib[VERT_ATTRIB_FOG][0];
@@ -503,3 +510,6 @@ _tnl_RasterPos(GLcontext *ctx, const GLfloat vObj[4])
_mesa_update_hitflag( ctx, ctx->Current.RasterPos[2] );
}
}
+
+
+#endif /* FEATURE_rastpos */