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Diffstat (limited to 'src/mesa/swrast/s_span.c')
-rw-r--r--src/mesa/swrast/s_span.c65
1 files changed, 48 insertions, 17 deletions
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index d97c1672c22..5c552e6288e 100644
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -239,7 +239,7 @@ interpolate_colors(SWspan *span)
#endif
case GL_FLOAT:
{
- GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
+ GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
GLfloat r, g, b, a, dr, dg, db, da;
r = span->red;
g = span->green;
@@ -351,7 +351,7 @@ interpolate_specular(SWspan *span)
#endif
case GL_FLOAT:
{
- GLfloat (*spec)[4] = span->array->color.sz4.spec;
+ GLfloat (*spec)[4] = span->array->attribs[FRAG_ATTRIB_COL1];
#if CHAN_BITS <= 16
GLfloat r = CHAN_TO_FLOAT(FixedToChan(span->specRed));
GLfloat g = CHAN_TO_FLOAT(FixedToChan(span->specGreen));
@@ -430,7 +430,7 @@ interpolate_indexes(GLcontext *ctx, SWspan *span)
static INLINE void
interpolate_fog(const GLcontext *ctx, SWspan *span)
{
- GLfloat *fog = span->array->fog;
+ GLfloat (*fog)[4] = span->array->attribs[FRAG_ATTRIB_FOGC];
const GLfloat fogStep = span->fogStep;
GLfloat fogCoord = span->fog;
const GLuint haveW = (span->interpMask & SPAN_W);
@@ -438,7 +438,7 @@ interpolate_fog(const GLcontext *ctx, SWspan *span)
GLfloat w = haveW ? span->w : 1.0F;
GLuint i;
for (i = 0; i < span->end; i++) {
- fog[i] = fogCoord / w;
+ fog[i][0] = fogCoord / w;
fogCoord += fogStep;
w += wStep;
}
@@ -565,7 +565,7 @@ interpolate_texcoords(GLcontext *ctx, SWspan *span)
needLambda = GL_FALSE;
}
if (needLambda) {
- GLfloat (*texcoord)[4] = span->array->texcoords[u];
+ GLfloat (*texcoord)[4] = span->array->attribs[FRAG_ATTRIB_TEX0 + u];
GLfloat *lambda = span->array->lambda[u];
const GLfloat dsdx = span->texStepX[u][0];
const GLfloat dsdy = span->texStepY[u][0];
@@ -620,7 +620,7 @@ interpolate_texcoords(GLcontext *ctx, SWspan *span)
span->arrayMask |= SPAN_LAMBDA;
}
else {
- GLfloat (*texcoord)[4] = span->array->texcoords[u];
+ GLfloat (*texcoord)[4] = span->array->attribs[FRAG_ATTRIB_TEX0 + u];
GLfloat *lambda = span->array->lambda[u];
const GLfloat dsdx = span->texStepX[u][0];
const GLfloat dtdx = span->texStepX[u][1];
@@ -701,7 +701,7 @@ interpolate_texcoords(GLcontext *ctx, SWspan *span)
span->arrayMask |= SPAN_TEXTURE;
if (needLambda) {
/* just texture unit 0, with lambda */
- GLfloat (*texcoord)[4] = span->array->texcoords[0];
+ GLfloat (*texcoord)[4] = span->array->attribs[FRAG_ATTRIB_TEX0];
GLfloat *lambda = span->array->lambda[0];
const GLfloat dsdx = span->texStepX[0][0];
const GLfloat dsdy = span->texStepY[0][0];
@@ -757,7 +757,7 @@ interpolate_texcoords(GLcontext *ctx, SWspan *span)
}
else {
/* just texture 0, without lambda */
- GLfloat (*texcoord)[4] = span->array->texcoords[0];
+ GLfloat (*texcoord)[4] = span->array->attribs[FRAG_ATTRIB_TEX0];
const GLfloat dsdx = span->texStepX[0][0];
const GLfloat dtdx = span->texStepX[0][1];
const GLfloat drdx = span->texStepX[0][2];
@@ -841,7 +841,7 @@ interpolate_varying(GLcontext *ctx, SWspan *span)
GLuint k;
for (k = 0; k < span->end; k++) {
GLfloat invW = 1.0f / w;
- span->array->varying[var][k][j] = v * invW;
+ span->array->attribs[FRAG_ATTRIB_VAR0 + var][k][j] = v * invW;
v += dvdx;
w += dwdx;
}
@@ -852,6 +852,33 @@ interpolate_varying(GLcontext *ctx, SWspan *span)
/**
+ * Fill in the arrays->attribs[FRAG_ATTRIB_WPOS] array.
+ */
+static INLINE void
+interpolate_wpos(GLcontext *ctx, SWspan *span)
+{
+ GLfloat (*wpos)[4] = span->array->attribs[FRAG_ATTRIB_WPOS];
+ GLuint i;
+ if (span->arrayMask & SPAN_XY) {
+ for (i = 0; i < span->end; i++) {
+ wpos[i][0] = (GLfloat) span->array->x[i];
+ wpos[i][1] = (GLfloat) span->array->y[i];
+ }
+ }
+ else {
+ for (i = 0; i < span->end; i++) {
+ wpos[i][0] = (GLfloat) span->x + i;
+ wpos[i][1] = (GLfloat) span->y;
+ }
+ }
+ for (i = 0; i < span->end; i++) {
+ wpos[i][2] = (GLfloat) span->array->z[i] / ctx->DrawBuffer->_DepthMaxF;
+ wpos[i][3] = span->w + i * span->dwdx;
+ }
+}
+
+
+/**
* Apply the current polygon stipple pattern to a span of pixels.
*/
static INLINE void
@@ -1238,8 +1265,8 @@ add_specular(GLcontext *ctx, SWspan *span)
break;
case GL_FLOAT:
{
- GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
- GLfloat (*spec)[4] = span->array->color.sz4.spec;
+ GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
+ GLfloat (*spec)[4] = span->array->attribs[FRAG_ATTRIB_COL1];
GLuint i;
for (i = 0; i < span->end; i++) {
rgba[i][RCOMP] += spec[i][RCOMP];
@@ -1280,7 +1307,7 @@ apply_aa_coverage(SWspan *span)
}
}
else {
- GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
+ GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
for (i = 0; i < span->end; i++) {
rgba[i][ACOMP] = rgba[i][ACOMP] * coverage[i];
}
@@ -1294,7 +1321,7 @@ apply_aa_coverage(SWspan *span)
static INLINE void
clamp_colors(SWspan *span)
{
- GLfloat (*rgba)[4] = span->array->color.sz4.rgba;
+ GLfloat (*rgba)[4] = span->array->attribs[FRAG_ATTRIB_COL0];
GLuint i;
ASSERT(span->array->ChanType == GL_FLOAT);
for (i = 0; i < span->end; i++) {
@@ -1320,7 +1347,7 @@ convert_color_type(SWspan *span, GLenum newType)
src = span->array->color.sz2.rgba;
}
else {
- src = span->array->color.sz4.rgba;
+ src = span->array->attribs[FRAG_ATTRIB_COL0];
}
if (newType == GL_UNSIGNED_BYTE) {
dst = span->array->color.sz1.rgba;
@@ -1329,7 +1356,7 @@ convert_color_type(SWspan *span, GLenum newType)
dst = span->array->color.sz2.rgba;
}
else {
- dst = span->array->color.sz4.rgba;
+ dst = span->array->attribs[FRAG_ATTRIB_COL0];
}
_mesa_convert_colors(span->array->ChanType, src,
@@ -1365,7 +1392,7 @@ shade_texture_span(GLcontext *ctx, SWspan *span)
? (GLvoid *) span->array->color.sz1.rgba
: (GLvoid *) span->array->color.sz2.rgba;
_mesa_convert_colors(oldType, src,
- newType, span->array->color.sz4.rgba,
+ newType, span->array->attribs[FRAG_ATTRIB_COL0],
span->end, span->array->mask);
span->array->ChanType = newType;
}
@@ -1383,6 +1410,10 @@ shade_texture_span(GLcontext *ctx, SWspan *span)
if (ctx->Shader.CurrentProgram && span->interpMask & SPAN_VARYING)
interpolate_varying(ctx, span);
+ if (ctx->FragmentProgram._Current &&
+ (ctx->FragmentProgram._Current->Base.InputsRead & FRAG_BIT_WPOS))
+ interpolate_wpos(ctx, span);
+
/* Run fragment program/shader now */
if (ctx->FragmentProgram._Current) {
_swrast_exec_fragment_program(ctx, span);
@@ -1938,7 +1969,7 @@ _swrast_get_dest_rgba(GLcontext *ctx, struct gl_renderbuffer *rb,
rbPixels = span->array->color.sz2.spec;
}
else {
- rbPixels = span->array->color.sz4.spec;
+ rbPixels = span->array->attribs[FRAG_ATTRIB_COL1];
}
/* Get destination values from renderbuffer */
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 20:14:55 +0000