OpenHarmony/third_party_mesa3d
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Overhaul/simplify SWvertex and SWspan attribute handling.

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Instead of separate fog/specular/texcoord/varying code, just treat all of
them as generic attributes.  Simplifies the point/line/triangle functions.
This commit is contained in:
Brian
2007-05-20 12:27:39 -06:00
parent aa133a9dae
commit 9e8a961dd7
34 changed files with 1280 additions and 2138 deletions
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52
src/mesa/swrast_setup/ss_triangle.c
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@@ -57,7 +57,7 @@ static void _swsetup_render_line_tri( GLcontext *ctx,
SWvertex *v1 = &verts[e1];
SWvertex *v2 = &verts[e2];
GLchan c[2][4];
GLchan s[2][4];
GLfloat s[2][4];
GLfloat i[2];
/* cull testing */
@@ -71,17 +71,17 @@ static void _swsetup_render_line_tri( GLcontext *ctx,
if (ctx->Light.ShadeModel == GL_FLAT) {
COPY_CHAN4(c[0], v0->color);
COPY_CHAN4(c[1], v1->color);
COPY_CHAN4(s[0], v0->specular);
COPY_CHAN4(s[1], v1->specular);
i[0] = v0->index;
i[1] = v1->index;
COPY_4V(s[0], v0->attrib[FRAG_ATTRIB_COL1]);
COPY_4V(s[1], v1->attrib[FRAG_ATTRIB_COL1]);
i[0] = v0->attrib[FRAG_ATTRIB_CI][0];
i[1] = v1->attrib[FRAG_ATTRIB_CI][0];
COPY_CHAN4(v0->color, v2->color);
COPY_CHAN4(v1->color, v2->color);
COPY_CHAN4(v0->specular, v2->specular);
COPY_CHAN4(v1->specular, v2->specular);
v0->index = v2->index;
v1->index = v2->index;
COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]);
COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]);
v0->attrib[FRAG_ATTRIB_CI][0] = v2->attrib[FRAG_ATTRIB_CI][0];
v1->attrib[FRAG_ATTRIB_CI][0] = v2->attrib[FRAG_ATTRIB_CI][0];
}
if (swsetup->render_prim == GL_POLYGON) {
@@ -97,10 +97,10 @@ static void _swsetup_render_line_tri( GLcontext *ctx,
if (ctx->Light.ShadeModel == GL_FLAT) {
COPY_CHAN4(v0->color, c[0]);
COPY_CHAN4(v1->color, c[1]);
COPY_CHAN4(v0->specular, s[0]);
COPY_CHAN4(v1->specular, s[1]);
v0->index = i[0];
v1->index = i[1];
COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], s[0]);
COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], s[1]);
v0->attrib[FRAG_ATTRIB_CI][0] = i[0];
v1->attrib[FRAG_ATTRIB_CI][0] = i[1];
}
}
@@ -116,7 +116,7 @@ static void _swsetup_render_point_tri( GLcontext *ctx,
SWvertex *v1 = &verts[e1];
SWvertex *v2 = &verts[e2];
GLchan c[2][4];
GLchan s[2][4];
GLfloat s[2][4];
GLfloat i[2];
/* cull testing */
@@ -131,18 +131,18 @@ static void _swsetup_render_point_tri( GLcontext *ctx,
/* save colors/indexes for v0, v1 vertices */
COPY_CHAN4(c[0], v0->color);
COPY_CHAN4(c[1], v1->color);
COPY_CHAN4(s[0], v0->specular);
COPY_CHAN4(s[1], v1->specular);
i[0] = v0->index;
i[1] = v1->index;
COPY_4V(s[0], v0->attrib[FRAG_ATTRIB_COL1]);
COPY_4V(s[1], v1->attrib[FRAG_ATTRIB_COL1]);
i[0] = v0->attrib[FRAG_ATTRIB_CI][0];
i[1] = v1->attrib[FRAG_ATTRIB_CI][0];
/* copy v2 color/indexes to v0, v1 indexes */
COPY_CHAN4(v0->color, v2->color);
COPY_CHAN4(v1->color, v2->color);
COPY_CHAN4(v0->specular, v2->specular);
COPY_CHAN4(v1->specular, v2->specular);
v0->index = v2->index;
v1->index = v2->index;
COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]);
COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], v2->attrib[FRAG_ATTRIB_COL1]);
v0->attrib[FRAG_ATTRIB_CI][0] = v2->attrib[FRAG_ATTRIB_CI][0];
v1->attrib[FRAG_ATTRIB_CI][0] = v2->attrib[FRAG_ATTRIB_CI][0];
}
if (ef[e0]) _swrast_Point( ctx, v0 );
@@ -153,10 +153,10 @@ static void _swsetup_render_point_tri( GLcontext *ctx,
/* restore v0, v1 colores/indexes */
COPY_CHAN4(v0->color, c[0]);
COPY_CHAN4(v1->color, c[1]);
COPY_CHAN4(v0->specular, s[0]);
COPY_CHAN4(v1->specular, s[1]);
v0->index = i[0];
v1->index = i[1];
COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], s[0]);
COPY_4V(v1->attrib[FRAG_ATTRIB_COL1], s[1]);
v0->attrib[FRAG_ATTRIB_CI][0] = i[0];
v1->attrib[FRAG_ATTRIB_CI][0] = i[1];
}
_swrast_flush(ctx);
}