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-rw-r--r--src/mesa/main/api_arrayelt.c100
1 files changed, 65 insertions, 35 deletions
diff --git a/src/mesa/main/api_arrayelt.c b/src/mesa/main/api_arrayelt.c
index c34f9f7ed2c..bd55f8e4322 100644
--- a/src/mesa/main/api_arrayelt.c
+++ b/src/mesa/main/api_arrayelt.c
@@ -64,13 +64,19 @@ typedef struct {
AEattrib attribs[VERT_ATTRIB_MAX + 1];
GLuint NewState;
+ /* List of VBOs we need to map before executing ArrayElements */
struct gl_buffer_object *vbo[VERT_ATTRIB_MAX];
GLuint nr_vbos;
- GLboolean mapped_vbos;
-
+ GLboolean mapped_vbos; /**< Any currently mapped VBOs? */
} AEcontext;
-#define AE_CONTEXT(ctx) ((AEcontext *)(ctx)->aelt_context)
+
+/** Cast wrapper */
+static INLINE AEcontext *
+AE_CONTEXT(struct gl_context *ctx)
+{
+ return (AEcontext *) ctx->aelt_context;
+}
/*
@@ -78,7 +84,12 @@ typedef struct {
* in the range [0, 7]. Luckily these type tokens are sequentially
* numbered in gl.h, except for GL_DOUBLE.
*/
-#define TYPE_IDX(t) ( (t) == GL_DOUBLE ? 7 : (t) & 7 )
+static INLINE int
+TYPE_IDX(GLenum t)
+{
+ return t == GL_DOUBLE ? 7 : t & 7;
+}
+
#define NUM_TYPES 8
@@ -1245,8 +1256,6 @@ VertexAttribI4uiv(GLuint index, const GLuint *v)
}
-
-
/*
* Array [unnormalized/normalized/integer][size][type] of VertexAttrib
* functions
@@ -1396,10 +1405,9 @@ static attrib_func AttribFuncsARB[3][4][NUM_TYPES] = {
}
};
-/**********************************************************************/
-
-GLboolean _ae_create_context( struct gl_context *ctx )
+GLboolean
+_ae_create_context(struct gl_context *ctx)
{
if (ctx->aelt_context)
return GL_TRUE;
@@ -1432,22 +1440,29 @@ GLboolean _ae_create_context( struct gl_context *ctx )
}
-void _ae_destroy_context( struct gl_context *ctx )
+void
+_ae_destroy_context(struct gl_context *ctx)
{
- if ( AE_CONTEXT( ctx ) ) {
+ if (AE_CONTEXT(ctx)) {
free(ctx->aelt_context);
ctx->aelt_context = NULL;
}
}
-static void check_vbo( AEcontext *actx,
- struct gl_buffer_object *vbo )
+
+/**
+ * Check if the given vertex buffer object exists and is not mapped.
+ * If so, add it to the list of buffers we must map before executing
+ * an glArrayElement call.
+ */
+static void
+check_vbo(AEcontext *actx, struct gl_buffer_object *vbo)
{
if (_mesa_is_bufferobj(vbo) && !_mesa_bufferobj_mapped(vbo)) {
GLuint i;
for (i = 0; i < actx->nr_vbos; i++)
- if (actx->vbo[i] == vbo)
- return;
+ if (actx->vbo[i] == vbo)
+ return; /* already in the list, we're done */
assert(actx->nr_vbos < VERT_ATTRIB_MAX);
actx->vbo[actx->nr_vbos++] = vbo;
}
@@ -1460,11 +1475,12 @@ static void check_vbo( AEcontext *actx,
* etc).
* Note: this may be called during display list construction.
*/
-static void _ae_update_state( struct gl_context *ctx )
+static void
+_ae_update_state(struct gl_context *ctx)
{
AEcontext *actx = AE_CONTEXT(ctx);
- AEarray *aa = actx->arrays;
- AEattrib *at = actx->attribs;
+ AEarray *aa = actx->arrays; /* non-indexed arrays (ex: glNormal) */
+ AEattrib *at = actx->attribs; /* indexed arrays (ex: glMultiTexCoord) */
GLuint i;
struct gl_array_object *arrayObj = ctx->Array.ArrayObj;
@@ -1508,7 +1524,8 @@ static void _ae_update_state( struct gl_context *ctx )
aa++;
}
for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
- struct gl_client_array *attribArray = &arrayObj->VertexAttrib[VERT_ATTRIB_TEX(i)];
+ struct gl_client_array *attribArray =
+ &arrayObj->VertexAttrib[VERT_ATTRIB_TEX(i)];
if (attribArray->Enabled) {
/* NOTE: we use generic glVertexAttribNV functions here.
* If we ever remove GL_NV_vertex_program this will have to change.
@@ -1524,9 +1541,10 @@ static void _ae_update_state( struct gl_context *ctx )
}
}
- /* generic vertex attribute arrays */
+ /* generic vertex attribute arrays */
for (i = 1; i < VERT_ATTRIB_GENERIC_MAX; i++) { /* skip zero! */
- struct gl_client_array *attribArray = &arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(i)];
+ struct gl_client_array *attribArray =
+ &arrayObj->VertexAttrib[VERT_ATTRIB_GENERIC(i)];
if (attribArray->Enabled) {
GLint intOrNorm;
at->array = attribArray;
@@ -1580,11 +1598,17 @@ static void _ae_update_state( struct gl_context *ctx )
actx->NewState = 0;
}
-void _ae_map_vbos( struct gl_context *ctx )
+
+/**
+ * Before replaying glArrayElements calls we need to map (for reading) any
+ * VBOs referenced by the enabled vertex arrays.
+ */
+void
+_ae_map_vbos(struct gl_context *ctx)
{
AEcontext *actx = AE_CONTEXT(ctx);
GLuint i;
-
+
if (actx->mapped_vbos)
return;
@@ -1601,7 +1625,12 @@ void _ae_map_vbos( struct gl_context *ctx )
actx->mapped_vbos = GL_TRUE;
}
-void _ae_unmap_vbos( struct gl_context *ctx )
+
+/**
+ * Unmap VBOs
+ */
+void
+_ae_unmap_vbos(struct gl_context *ctx)
{
AEcontext *actx = AE_CONTEXT(ctx);
GLuint i;
@@ -1624,7 +1653,8 @@ void _ae_unmap_vbos( struct gl_context *ctx )
* for all enabled vertex arrays (for elt-th element).
* Note: this may be called during display list construction.
*/
-void GLAPIENTRY _ae_ArrayElement( GLint elt )
+void GLAPIENTRY
+_ae_ArrayElement(GLint elt)
{
GET_CURRENT_CONTEXT(ctx);
const AEcontext *actx = AE_CONTEXT(ctx);
@@ -1643,7 +1673,7 @@ void GLAPIENTRY _ae_ArrayElement( GLint elt )
if (actx->NewState) {
assert(!actx->mapped_vbos);
- _ae_update_state( ctx );
+ _ae_update_state(ctx);
}
/* Determine if we need to map/unmap VBOs */
@@ -1651,13 +1681,13 @@ void GLAPIENTRY _ae_ArrayElement( GLint elt )
if (do_map)
_ae_map_vbos(ctx);
-
+
/* emit generic attribute elements */
for (at = actx->attribs; at->func; at++) {
const GLubyte *src
= ADD_POINTERS(at->array->BufferObj->Pointer, at->array->Ptr)
+ elt * at->array->StrideB;
- at->func( at->index, src );
+ at->func(at->index, src);
}
/* emit conventional arrays elements */
@@ -1665,8 +1695,7 @@ void GLAPIENTRY _ae_ArrayElement( GLint elt )
const GLubyte *src
= ADD_POINTERS(aa->array->BufferObj->Pointer, aa->array->Ptr)
+ elt * aa->array->StrideB;
- CALL_by_offset( disp, (array_func), aa->offset,
- ((const void *) src) );
+ CALL_by_offset(disp, (array_func), aa->offset, ((const void *) src));
}
if (do_map)
@@ -1674,16 +1703,16 @@ void GLAPIENTRY _ae_ArrayElement( GLint elt )
}
-void _ae_invalidate_state( struct gl_context *ctx, GLuint new_state )
+void
+_ae_invalidate_state(struct gl_context *ctx, GLuint new_state)
{
AEcontext *actx = AE_CONTEXT(ctx);
-
/* Only interested in this subset of mesa state. Need to prune
* this down as both tnl/ and the drivers can raise statechanges
* for arcane reasons in the middle of seemingly atomic operations
* like DrawElements, over which we'd like to keep a known set of
- * arrays and vbo's mapped.
+ * arrays and vbo's mapped.
*
* Luckily, neither the drivers nor tnl muck with the state that
* concerns us here:
@@ -1696,8 +1725,9 @@ void _ae_invalidate_state( struct gl_context *ctx, GLuint new_state )
}
-void _mesa_install_arrayelt_vtxfmt(struct _glapi_table *disp,
- const GLvertexformat *vfmt)
+void
+_mesa_install_arrayelt_vtxfmt(struct _glapi_table *disp,
+ const GLvertexformat *vfmt)
{
SET_ArrayElement(disp, vfmt->ArrayElement);
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 00:22:30 +0000