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-rw-r--r--src/mesa/main/api_arrayelt.c147
1 files changed, 65 insertions, 82 deletions
diff --git a/src/mesa/main/api_arrayelt.c b/src/mesa/main/api_arrayelt.c
index 93fade2418d..01ca30cbffd 100644
--- a/src/mesa/main/api_arrayelt.c
+++ b/src/mesa/main/api_arrayelt.c
@@ -675,7 +675,9 @@ void _ae_destroy_context( GLcontext *ctx )
/**
* Make a list of per-vertex functions to call for each glArrayElement call.
- * These functions access the array data (i.e. glVertex, glColor, glNormal, etc);
+ * These functions access the array data (i.e. glVertex, glColor, glNormal,
+ * etc).
+ * Note: this may be called during display list construction.
*/
static void _ae_update_state( GLcontext *ctx )
{
@@ -684,8 +686,8 @@ static void _ae_update_state( GLcontext *ctx )
AEattrib *at = actx->attribs;
GLuint i;
- /* yuck, no generic array to correspond to color index or edge flag */
- if (ctx->Array.Index.Enabled) {
+ /* conventional vertex arrays */
+ if (ctx->Array.Index.Enabled) {
aa->array = &ctx->Array.Index;
aa->func = indexfuncs[TYPE_IDX(aa->array->Type)];
aa++;
@@ -695,86 +697,44 @@ static void _ae_update_state( GLcontext *ctx )
aa->func = (array_func) glEdgeFlagv;
aa++;
}
-
- /* all other arrays handled here */
- for (i = 0; i < VERT_ATTRIB_MAX; i++) {
- /* Note: we count down to zero so glVertex (attrib 0) is last!!! */
- const GLuint index = VERT_ATTRIB_MAX - i - 1;
- struct gl_client_array *attribArray = NULL;
-
- /* Generic arrays take priority over conventional arrays if vertex program
- * mode is enabled.
- */
- if (ctx->VertexProgram.Enabled
- && ctx->Array.VertexAttrib[index].Enabled) {
- if (index == 0) {
- /* Special case: use glVertex() for vertex position so
- * that it's always executed last.
- */
- aa->array = &ctx->Array.VertexAttrib[0];
- aa->func = vertexfuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
- aa++;
- }
- else {
- attribArray = &ctx->Array.VertexAttrib[index];
- }
- }
- else {
- switch (index) {
- case VERT_ATTRIB_POS:
- if (ctx->Array.Vertex.Enabled) {
- aa->array = &ctx->Array.Vertex;
- aa->func = vertexfuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
- aa++;
- }
- break;
- case VERT_ATTRIB_NORMAL:
- if (ctx->Array.Normal.Enabled) {
- aa->array = &ctx->Array.Normal;
- aa->func = normalfuncs[TYPE_IDX(aa->array->Type)];
- aa++;
- }
- break;
- case VERT_ATTRIB_COLOR0:
- if (ctx->Array.Color.Enabled) {
- aa->array = &ctx->Array.Color;
- aa->func = colorfuncs[aa->array->Size-3][TYPE_IDX(aa->array->Type)];
- aa++;
- }
- break;
- case VERT_ATTRIB_COLOR1:
- if (ctx->Array.SecondaryColor.Enabled) {
- aa->array = &ctx->Array.SecondaryColor;
- aa->func = secondarycolorfuncs[TYPE_IDX(aa->array->Type)];
- aa++;
- }
- break;
- case VERT_ATTRIB_FOG:
- if (ctx->Array.FogCoord.Enabled) {
- aa->array = &ctx->Array.FogCoord;
- aa->func = fogcoordfuncs[TYPE_IDX(aa->array->Type)];
- aa++;
- }
- break;
- case VERT_ATTRIB_TEX0:
- case VERT_ATTRIB_TEX1:
- case VERT_ATTRIB_TEX2:
- case VERT_ATTRIB_TEX3:
- case VERT_ATTRIB_TEX4:
- case VERT_ATTRIB_TEX5:
- case VERT_ATTRIB_TEX6:
- case VERT_ATTRIB_TEX7:
- /* use generic vertex attribs for texcoords */
- if (ctx->Array.TexCoord[index - VERT_ATTRIB_TEX0].Enabled) {
- attribArray = &ctx->Array.TexCoord[index - VERT_ATTRIB_TEX0];
- }
- default:
- /* nothing */;
- }
+ if (ctx->Array.Normal.Enabled) {
+ aa->array = &ctx->Array.Normal;
+ aa->func = normalfuncs[TYPE_IDX(aa->array->Type)];
+ aa++;
+ }
+ if (ctx->Array.Color.Enabled) {
+ aa->array = &ctx->Array.Color;
+ aa->func = colorfuncs[aa->array->Size-3][TYPE_IDX(aa->array->Type)];
+ aa++;
+ }
+ if (ctx->Array.SecondaryColor.Enabled) {
+ aa->array = &ctx->Array.SecondaryColor;
+ aa->func = secondarycolorfuncs[TYPE_IDX(aa->array->Type)];
+ aa++;
+ }
+ if (ctx->Array.FogCoord.Enabled) {
+ aa->array = &ctx->Array.FogCoord;
+ aa->func = fogcoordfuncs[TYPE_IDX(aa->array->Type)];
+ aa++;
+ }
+ for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
+ if (ctx->Array.TexCoord[i].Enabled) {
+ /* NOTE: we use generic glVertexAttrib functions here.
+ * If we ever de-alias conventional/generic vertex attribs this
+ * will have to change.
+ */
+ struct gl_client_array *attribArray = &ctx->Array.TexCoord[i];
+ at->array = attribArray;
+ at->func = attribfuncs[at->array->Normalized][at->array->Size-1][TYPE_IDX(at->array->Type)];
+ at->index = i;
+ at++;
}
+ }
- /* Save glVertexAttrib call (may be for glMultiTexCoord) */
- if (attribArray) {
+ /* generic vertex attribute arrays */
+ for (i = 1; i < VERT_ATTRIB_MAX; i++) { /* skip zero! */
+ if (ctx->Array.VertexAttrib[i].Enabled) {
+ struct gl_client_array *attribArray = &ctx->Array.VertexAttrib[i];
at->array = attribArray;
/* Note: we can't grab the _glapi_Dispatch->VertexAttrib1fvNV
* function pointer here (for float arrays) since the pointer may
@@ -782,10 +742,27 @@ static void _ae_update_state( GLcontext *ctx )
* the next. Doing so caused UT to break.
*/
at->func = attribfuncs[at->array->Normalized][at->array->Size-1][TYPE_IDX(at->array->Type)];
- at->index = index;
+ at->index = i;
at++;
}
}
+
+ /* finally, vertex position */
+ if (ctx->Array.VertexAttrib[0].Enabled) {
+ /* Use glVertex(v) instead of glVertexAttrib(0, v) to be sure it's
+ * issued as the last (proviking) attribute).
+ */
+ aa->array = &ctx->Array.VertexAttrib[0];
+ assert(aa->array->Size >= 2); /* XXX fix someday? */
+ aa->func = vertexfuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
+ aa++;
+ }
+ else if (ctx->Array.Vertex.Enabled) {
+ aa->array = &ctx->Array.Vertex;
+ aa->func = vertexfuncs[aa->array->Size-2][TYPE_IDX(aa->array->Type)];
+ aa++;
+ }
+
ASSERT(at - actx->attribs <= VERT_ATTRIB_MAX);
ASSERT(aa - actx->arrays < 32);
at->func = NULL; /* terminate the list */
@@ -795,6 +772,12 @@ static void _ae_update_state( GLcontext *ctx )
}
+/**
+ * Called via glArrayElement() and glDrawArrays().
+ * Issue the glNormal, glVertex, glColor, glVertexAttrib, etc functions
+ * for all enabled vertex arrays (for elt-th element).
+ * Note: this may be called during display list construction.
+ */
void GLAPIENTRY _ae_loopback_array_elt( GLint elt )
{
GET_CURRENT_CONTEXT(ctx);
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