diff options
| author | Brian <brian@nostromo.localnet.net> | 2007-04-23 21:21:52 -0600 |
|---|---|---|
| committer | Brian <brian@nostromo.localnet.net> | 2007-04-23 21:21:52 -0600 |
| commit | 0bdf216dd06d5136b8529297297aa962bab548c2 (patch) | |
| tree | bb7c516d3d6f2e818f2cbb0f8865a45fecf053c6 /src/mesa/swrast/s_linetemp.h | |
| parent | d59e6f233b02ffe2c36c2fb89ec26c208a421540 (diff) | |
Improve the code for interpolating fragment attributes a little. More to come...
Diffstat (limited to 'src/mesa/swrast/s_linetemp.h')
| -rw-r--r-- | src/mesa/swrast/s_linetemp.h | 41 |
1 files changed, 19 insertions, 22 deletions
diff --git a/src/mesa/swrast/s_linetemp.h b/src/mesa/swrast/s_linetemp.h index 7b66291eb5..6c52e8dd47 100644 --- a/src/mesa/swrast/s_linetemp.h +++ b/src/mesa/swrast/s_linetemp.h @@ -314,28 +314,25 @@ NAME( GLcontext *ctx, const SWvertex *vert0, const SWvertex *vert1 ) const GLfloat invLen = 1.0F / numPixels; const GLfloat invw0 = vert0->win[3]; const GLfloat invw1 = vert1->win[3]; - GLuint attr; - for (attr = swrast->_MinFragmentAttrib; attr < swrast->_MaxFragmentAttrib; attr++) { - if (swrast->_FragmentAttribs & (1 << attr)) { - GLfloat ds, dt, dr, dq; - span.attrStart[attr][0] = invw0 * vert0->attrib[attr][0]; - span.attrStart[attr][1] = invw0 * vert0->attrib[attr][1]; - span.attrStart[attr][2] = invw0 * vert0->attrib[attr][2]; - span.attrStart[attr][3] = invw0 * vert0->attrib[attr][3]; - ds = (invw1 * vert1->attrib[attr][0]) - span.attrStart[attr][0]; - dt = (invw1 * vert1->attrib[attr][1]) - span.attrStart[attr][1]; - dr = (invw1 * vert1->attrib[attr][2]) - span.attrStart[attr][2]; - dq = (invw1 * vert1->attrib[attr][3]) - span.attrStart[attr][3]; - span.attrStepX[attr][0] = ds * invLen; - span.attrStepX[attr][1] = dt * invLen; - span.attrStepX[attr][2] = dr * invLen; - span.attrStepX[attr][3] = dq * invLen; - span.attrStepY[attr][0] = 0.0F; - span.attrStepY[attr][1] = 0.0F; - span.attrStepY[attr][2] = 0.0F; - span.attrStepY[attr][3] = 0.0F; - } - } + ATTRIB_LOOP_BEGIN + GLfloat ds, dt, dr, dq; + span.attrStart[attr][0] = invw0 * vert0->attrib[attr][0]; + span.attrStart[attr][1] = invw0 * vert0->attrib[attr][1]; + span.attrStart[attr][2] = invw0 * vert0->attrib[attr][2]; + span.attrStart[attr][3] = invw0 * vert0->attrib[attr][3]; + ds = (invw1 * vert1->attrib[attr][0]) - span.attrStart[attr][0]; + dt = (invw1 * vert1->attrib[attr][1]) - span.attrStart[attr][1]; + dr = (invw1 * vert1->attrib[attr][2]) - span.attrStart[attr][2]; + dq = (invw1 * vert1->attrib[attr][3]) - span.attrStart[attr][3]; + span.attrStepX[attr][0] = ds * invLen; + span.attrStepX[attr][1] = dt * invLen; + span.attrStepX[attr][2] = dr * invLen; + span.attrStepX[attr][3] = dq * invLen; + span.attrStepY[attr][0] = 0.0F; + span.attrStepY[attr][1] = 0.0F; + span.attrStepY[attr][2] = 0.0F; + span.attrStepY[attr][3] = 0.0F; + ATTRIB_LOOP_END } #endif |