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swrast: Silence compiler warnings, give better structure to the code as a result.

This commit is contained in:
Michal Krol 2009-03-19 10:39:57 +01:00
parent 4b55a4f74d
commit 355e9bb45c
2 changed files with 63 additions and 62 deletions
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121
src/mesa/swrast_setup/ss_triangle.c
View File

@ -45,46 +45,32 @@ static tnl_triangle_func tri_tab[SS_MAX_TRIFUNC];
static tnl_quad_func quad_tab[SS_MAX_TRIFUNC];
static void _swsetup_render_line_tri( GLcontext *ctx,
GLuint e0, GLuint e1, GLuint e2,
GLuint facing )
/*
* Render a triangle respecting edge flags.
*/
typedef void (* swsetup_edge_render_prim_tri)(GLcontext *ctx,
const GLubyte *ef,
GLuint e0,
GLuint e1,
GLuint e2,
const SWvertex *v0,
const SWvertex *v1,
const SWvertex *v2);
/*
* Render a triangle using lines and respecting edge flags.
*/
static void
_swsetup_edge_render_line_tri(GLcontext *ctx,
const GLubyte *ef,
GLuint e0,
GLuint e1,
GLuint e2,
const SWvertex *v0,
const SWvertex *v1,
const SWvertex *v2)
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
GLubyte *ef = VB->EdgeFlag;
SWvertex *verts = swsetup->verts;
SWvertex *v0 = &verts[e0];
SWvertex *v1 = &verts[e1];
SWvertex *v2 = &verts[e2];
GLchan c[2][4];
GLfloat s[2][4];
GLfloat i[2];
/* cull testing */
if (ctx->Polygon.CullFlag) {
if (facing == 1 && ctx->Polygon.CullFaceMode != GL_FRONT)
return;
if (facing == 0 && ctx->Polygon.CullFaceMode != GL_BACK)
return;
}
_swrast_SetFacing(ctx, facing);
if (ctx->Light.ShadeModel == GL_FLAT) {
COPY_CHAN4(c[0], v0->color);
COPY_CHAN4(c[1], v1->color);
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_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) {
if (ef[e2]) _swrast_Line( ctx, v2, v0 );
@ -95,20 +81,37 @@ static void _swsetup_render_line_tri( GLcontext *ctx,
if (ef[e1]) _swrast_Line( ctx, v1, v2 );
if (ef[e2]) _swrast_Line( ctx, v2, v0 );
}
if (ctx->Light.ShadeModel == GL_FLAT) {
COPY_CHAN4(v0->color, c[0]);
COPY_CHAN4(v1->color, c[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];
}
}
static void _swsetup_render_point_tri( GLcontext *ctx,
GLuint e0, GLuint e1, GLuint e2,
GLuint facing )
/*
* Render a triangle using points and respecting edge flags.
*/
static void
_swsetup_edge_render_point_tri(GLcontext *ctx,
const GLubyte *ef,
GLuint e0,
GLuint e1,
GLuint e2,
const SWvertex *v0,
const SWvertex *v1,
const SWvertex *v2)
{
if (ef[e0]) _swrast_Point( ctx, v0 );
if (ef[e1]) _swrast_Point( ctx, v1 );
if (ef[e2]) _swrast_Point( ctx, v2 );
_swrast_flush(ctx);
}
/*
* Render a triangle respecting cull and shade model.
*/
static void _swsetup_render_tri(GLcontext *ctx,
GLuint e0,
GLuint e1,
GLuint e2,
GLuint facing,
swsetup_edge_render_prim_tri render)
{
SScontext *swsetup = SWSETUP_CONTEXT(ctx);
struct vertex_buffer *VB = &TNL_CONTEXT(ctx)->vb;
@ -117,9 +120,6 @@ static void _swsetup_render_point_tri( GLcontext *ctx,
SWvertex *v0 = &verts[e0];
SWvertex *v1 = &verts[e1];
SWvertex *v2 = &verts[e2];
GLchan c[2][4];
GLfloat s[2][4];
GLfloat i[2];
/* cull testing */
if (ctx->Polygon.CullFlag) {
@ -132,6 +132,10 @@ static void _swsetup_render_point_tri( GLcontext *ctx,
_swrast_SetFacing(ctx, facing);
if (ctx->Light.ShadeModel == GL_FLAT) {
GLchan c[2][4];
GLfloat s[2][4];
GLfloat i[2];
/* save colors/indexes for v0, v1 vertices */
COPY_CHAN4(c[0], v0->color);
COPY_CHAN4(c[1], v1->color);
@ -147,14 +151,9 @@ static void _swsetup_render_point_tri( GLcontext *ctx,
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 );
if (ef[e1]) _swrast_Point( ctx, v1 );
if (ef[e2]) _swrast_Point( ctx, v2 );
render(ctx, ef, e0, e1, e2, v0, v1, v2);
if (ctx->Light.ShadeModel == GL_FLAT) {
/* restore v0, v1 colores/indexes */
COPY_CHAN4(v0->color, c[0]);
COPY_CHAN4(v1->color, c[1]);
COPY_4V(v0->attrib[FRAG_ATTRIB_COL1], s[0]);
@ -162,7 +161,9 @@ static void _swsetup_render_point_tri( GLcontext *ctx,
v0->attrib[FRAG_ATTRIB_CI][0] = i[0];
v1->attrib[FRAG_ATTRIB_CI][0] = i[1];
}
_swrast_flush(ctx);
else {
render(ctx, ef, e0, e1, e2, v0, v1, v2);
}
}
#define SS_COLOR(a,b) UNCLAMPED_FLOAT_TO_RGBA_CHAN(a,b)

4
src/mesa/swrast_setup/ss_tritmp.h
View File

@ -171,14 +171,14 @@ static void TAG(triangle)(GLcontext *ctx, GLuint e0, GLuint e1, GLuint e2 )
v[1]->attrib[FRAG_ATTRIB_WPOS][2] = oz1;
v[2]->attrib[FRAG_ATTRIB_WPOS][2] = oz2;
}
_swsetup_render_point_tri( ctx, e0, e1, e2, facing );
_swsetup_render_tri(ctx, e0, e1, e2, facing, _swsetup_edge_render_point_tri);
} else if (mode == GL_LINE) {
if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetLine) {
v[0]->attrib[FRAG_ATTRIB_WPOS][2] = oz0;
v[1]->attrib[FRAG_ATTRIB_WPOS][2] = oz1;
v[2]->attrib[FRAG_ATTRIB_WPOS][2] = oz2;
}
_swsetup_render_line_tri( ctx, e0, e1, e2, facing );
_swsetup_render_tri(ctx, e0, e1, e2, facing, _swsetup_edge_render_line_tri);
} else {
if ((IND & SS_OFFSET_BIT) && ctx->Polygon.OffsetFill) {
v[0]->attrib[FRAG_ATTRIB_WPOS][2] = oz0;