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author | Brian <brian@yutani.localnet.net> | 2007-05-20 12:27:39 -0600 |
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committer | Brian <brian@yutani.localnet.net> | 2007-05-20 12:27:39 -0600 |
commit | 9e8a961dd7d7b717a9fb4ecdea1c1b60ea355efe (patch) | |
tree | 60c87644ec38f4693ceecbf440b120b02e2d07e6 /src/mesa/swrast_setup/ss_tritmp.h | |
parent | aa133a9dae53bc6aa50b88ee43deb8b34e8d0029 (diff) | |
download | external_mesa3d-9e8a961dd7d7b717a9fb4ecdea1c1b60ea355efe.zip external_mesa3d-9e8a961dd7d7b717a9fb4ecdea1c1b60ea355efe.tar.gz external_mesa3d-9e8a961dd7d7b717a9fb4ecdea1c1b60ea355efe.tar.bz2 |
Overhaul/simplify SWvertex and SWspan attribute handling.
Instead of separate fog/specular/texcoord/varying code, just treat all of
them as generic attributes. Simplifies the point/line/triangle functions.
Diffstat (limited to 'src/mesa/swrast_setup/ss_tritmp.h')
-rw-r--r-- | src/mesa/swrast_setup/ss_tritmp.h | 88 |
1 files changed, 44 insertions, 44 deletions
diff --git a/src/mesa/swrast_setup/ss_tritmp.h b/src/mesa/swrast_setup/ss_tritmp.h index 1fdf0cb..9fcde31 100644 --- a/src/mesa/swrast_setup/ss_tritmp.h +++ b/src/mesa/swrast_setup/ss_tritmp.h @@ -36,7 +36,7 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) GLenum mode = GL_FILL; GLuint facing = 0; GLchan saved_color[3][4]; - GLchan saved_spec[3][4]; + GLfloat saved_spec[3][4]; GLfloat saved_index[3]; v[0] = &verts[e0]; @@ -46,10 +46,10 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) if (IND & (SS_TWOSIDE_BIT | SS_OFFSET_BIT | SS_UNFILLED_BIT)) { - GLfloat ex = v[0]->win[0] - v[2]->win[0]; - GLfloat ey = v[0]->win[1] - v[2]->win[1]; - GLfloat fx = v[1]->win[0] - v[2]->win[0]; - GLfloat fy = v[1]->win[1] - v[2]->win[1]; + GLfloat ex = v[0]->attrib[FRAG_ATTRIB_WPOS][0] - v[2]->attrib[FRAG_ATTRIB_WPOS][0]; + GLfloat ey = v[0]->attrib[FRAG_ATTRIB_WPOS][1] - v[2]->attrib[FRAG_ATTRIB_WPOS][1]; + GLfloat fx = v[1]->attrib[FRAG_ATTRIB_WPOS][0] - v[2]->attrib[FRAG_ATTRIB_WPOS][0]; + GLfloat fy = v[1]->attrib[FRAG_ATTRIB_WPOS][1] - v[2]->attrib[FRAG_ATTRIB_WPOS][1]; GLfloat cc = ex*fy - ey*fx; if (IND & (SS_TWOSIDE_BIT | SS_UNFILLED_BIT)) @@ -85,30 +85,30 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) if (VB->SecondaryColorPtr[1]) { GLfloat (*vbspec)[4] = VB->SecondaryColorPtr[1]->data; - COPY_CHAN4(saved_spec[0], v[0]->specular); - COPY_CHAN4(saved_spec[1], v[1]->specular); - COPY_CHAN4(saved_spec[2], v[2]->specular); + COPY_4V(saved_spec[0], v[0]->attrib[FRAG_ATTRIB_COL1]); + COPY_4V(saved_spec[1], v[1]->attrib[FRAG_ATTRIB_COL1]); + COPY_4V(saved_spec[2], v[2]->attrib[FRAG_ATTRIB_COL1]); if (VB->SecondaryColorPtr[1]->stride) { - SS_SPEC(v[0]->specular, vbspec[e0]); - SS_SPEC(v[1]->specular, vbspec[e1]); - SS_SPEC(v[2]->specular, vbspec[e2]); + SS_SPEC(v[0]->attrib[FRAG_ATTRIB_COL1], vbspec[e0]); + SS_SPEC(v[1]->attrib[FRAG_ATTRIB_COL1], vbspec[e1]); + SS_SPEC(v[2]->attrib[FRAG_ATTRIB_COL1], vbspec[e2]); } else { - SS_SPEC(v[0]->specular, vbspec[0]); - SS_SPEC(v[1]->specular, vbspec[0]); - SS_SPEC(v[2]->specular, vbspec[0]); + SS_SPEC(v[0]->attrib[FRAG_ATTRIB_COL1], vbspec[0]); + SS_SPEC(v[1]->attrib[FRAG_ATTRIB_COL1], vbspec[0]); + SS_SPEC(v[2]->attrib[FRAG_ATTRIB_COL1], vbspec[0]); } } } else { GLfloat *vbindex = (GLfloat *)VB->IndexPtr[1]->data; - saved_index[0] = v[0]->index; - saved_index[1] = v[1]->index; - saved_index[2] = v[2]->index; + saved_index[0] = v[0]->attrib[FRAG_ATTRIB_CI][0]; + saved_index[1] = v[1]->attrib[FRAG_ATTRIB_CI][0]; + saved_index[2] = v[2]->attrib[FRAG_ATTRIB_CI][0]; - SS_IND(v[0]->index, (GLuint) vbindex[e0]); - SS_IND(v[1]->index, (GLuint) vbindex[e1]); - SS_IND(v[2]->index, (GLuint) vbindex[e2]); + SS_IND(v[0]->attrib[FRAG_ATTRIB_CI][0], (GLuint) vbindex[e0]); + SS_IND(v[1]->attrib[FRAG_ATTRIB_CI][0], (GLuint) vbindex[e1]); + SS_IND(v[2]->attrib[FRAG_ATTRIB_CI][0], (GLuint) vbindex[e2]); } } } @@ -117,9 +117,9 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) if (IND & SS_OFFSET_BIT) { offset = ctx->Polygon.OffsetUnits * ctx->DrawBuffer->_MRD; - z[0] = v[0]->win[2]; - z[1] = v[1]->win[2]; - z[2] = v[2]->win[2]; + z[0] = v[0]->attrib[FRAG_ATTRIB_WPOS][2]; + z[1] = v[1]->attrib[FRAG_ATTRIB_WPOS][2]; + z[2] = v[2]->attrib[FRAG_ATTRIB_WPOS][2]; if (cc * cc > 1e-16) { const GLfloat ez = z[0] - z[2]; const GLfloat fz = z[1] - z[2]; @@ -130,40 +130,40 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) /* Unfortunately, we need to clamp to prevent negative Zs below. * Technically, we should do the clamping per-fragment. */ - offset = MAX2(offset, -v[0]->win[2]); - offset = MAX2(offset, -v[1]->win[2]); - offset = MAX2(offset, -v[2]->win[2]); + offset = MAX2(offset, -v[0]->attrib[FRAG_ATTRIB_WPOS][2]); + offset = MAX2(offset, -v[1]->attrib[FRAG_ATTRIB_WPOS][2]); + offset = MAX2(offset, -v[2]->attrib[FRAG_ATTRIB_WPOS][2]); } } } if (mode == GL_POINT) { if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetPoint) { - v[0]->win[2] += offset; - v[1]->win[2] += offset; - v[2]->win[2] += offset; + v[0]->attrib[FRAG_ATTRIB_WPOS][2] += offset; + v[1]->attrib[FRAG_ATTRIB_WPOS][2] += offset; + v[2]->attrib[FRAG_ATTRIB_WPOS][2] += offset; } _swsetup_render_point_tri( ctx, e0, e1, e2, facing ); } else if (mode == GL_LINE) { if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetLine) { - v[0]->win[2] += offset; - v[1]->win[2] += offset; - v[2]->win[2] += offset; + v[0]->attrib[FRAG_ATTRIB_WPOS][2] += offset; + v[1]->attrib[FRAG_ATTRIB_WPOS][2] += offset; + v[2]->attrib[FRAG_ATTRIB_WPOS][2] += offset; } _swsetup_render_line_tri( ctx, e0, e1, e2, facing ); } else { if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetFill) { - v[0]->win[2] += offset; - v[1]->win[2] += offset; - v[2]->win[2] += offset; + v[0]->attrib[FRAG_ATTRIB_WPOS][2] += offset; + v[1]->attrib[FRAG_ATTRIB_WPOS][2] += offset; + v[2]->attrib[FRAG_ATTRIB_WPOS][2] += offset; } _swrast_Triangle( ctx, v[0], v[1], v[2] ); } if (IND & SS_OFFSET_BIT) { - v[0]->win[2] = z[0]; - v[1]->win[2] = z[1]; - v[2]->win[2] = z[2]; + v[0]->attrib[FRAG_ATTRIB_WPOS][2] = z[0]; + v[1]->attrib[FRAG_ATTRIB_WPOS][2] = z[1]; + v[2]->attrib[FRAG_ATTRIB_WPOS][2] = z[2]; } if (IND & SS_TWOSIDE_BIT) { @@ -176,14 +176,14 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 ) } if (VB->SecondaryColorPtr[1]) { - COPY_CHAN4(v[0]->specular, saved_spec[0]); - COPY_CHAN4(v[1]->specular, saved_spec[1]); - COPY_CHAN4(v[2]->specular, saved_spec[2]); + COPY_4V(v[0]->attrib[FRAG_ATTRIB_COL1], saved_spec[0]); + COPY_4V(v[1]->attrib[FRAG_ATTRIB_COL1], saved_spec[1]); + COPY_4V(v[2]->attrib[FRAG_ATTRIB_COL1], saved_spec[2]); } } else { - v[0]->index = saved_index[0]; - v[1]->index = saved_index[1]; - v[2]->index = saved_index[2]; + v[0]->attrib[FRAG_ATTRIB_CI][0] = saved_index[0]; + v[1]->attrib[FRAG_ATTRIB_CI][0] = saved_index[1]; + v[2]->attrib[FRAG_ATTRIB_CI][0] = saved_index[2]; } } } |