OpenHarmony/third_party_mesa3d
2
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Implement GL_ELEMENT_ARRAY_BUFFER_ARB for buffer objects.

Browse Source
This commit is contained in:
Brian Paul
2003-09-17 18:15:13 +00:00
parent 1a5709dc5b
commit d2afb39d19
3 changed files with 57 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
src/mesa/main/varray.c
View File

@@ -924,6 +924,12 @@ _mesa_MultiDrawElementsEXT( GLenum mode, const GLsizei *count, GLenum type,
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
if (ctx->Array.ElementArrayBufferObj->Name) {
/* use indices in the buffer object */
ASSERT(ctx->Array.ElementArrayBufferObj->Data);
indices = (const GLvoid **) ctx->Array.ElementArrayBufferObj->Data;
}
for (i = 0; i < primcount; i++) {
if (count[i] > 0) {
(ctx->Exec->DrawElements)(mode, count[i], type, indices[i]);
@@ -963,6 +969,8 @@ _mesa_MultiModeDrawElementsIBM( const GLenum * mode, const GLsizei * count,
ASSERT_OUTSIDE_BEGIN_END_AND_FLUSH(ctx);
/* XXX not sure about ARB_vertex_buffer_object handling here */
for ( i = 0 ; i < primcount ; i++ ) {
if ( count[i] > 0 ) {
(ctx->Exec->DrawElements)( *(GLenum *) ((char *) mode + (i * modestride)),

22
src/mesa/tnl/t_array_api.c
View File

@@ -62,8 +62,14 @@ static void fallback_drawelements( GLcontext *ctx, GLenum mode, GLsizei count,
{
if (_tnl_hard_begin(ctx, mode)) {
GLint i;
for (i = 0 ; i < count ; i++)
glArrayElement( indices[i] );
if (ctx->Array.ElementArrayBufferObj->Name) {
/* use indices in the buffer object */
ASSERT(ctx->Array.ElementArrayBufferObj->Data);
indices = (const GLuint *) ctx->Array.ElementArrayBufferObj->Data;
}
for (i = 0 ; i < count ; i++) {
glArrayElement( indices[i] );
}
glEnd();
}
}
@@ -260,6 +266,12 @@ _tnl_DrawRangeElements(GLenum mode,
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(NULL, "_tnl_DrawRangeElements %d %d %d\n", start, end, count);
if (ctx->Array.ElementArrayBufferObj->Name) {
/* use indices in the buffer object */
ASSERT(ctx->Array.ElementArrayBufferObj->Data);
indices = (GLuint *) ctx->Array.ElementArrayBufferObj->Data;
}
/* Check arguments, etc.
*/
if (!_mesa_validate_DrawRangeElements( ctx, mode, start, end, count,
@@ -327,6 +339,12 @@ _tnl_DrawElements(GLenum mode, GLsizei count, GLenum type,
if (MESA_VERBOSE & VERBOSE_API)
_mesa_debug(NULL, "_tnl_DrawElements %d\n", count);
if (ctx->Array.ElementArrayBufferObj->Name) {
/* use indices in the buffer object */
ASSERT(ctx->Array.ElementArrayBufferObj->Data);
indices = (const GLvoid *) ctx->Array.ElementArrayBufferObj->Data;
}
/* Check arguments, etc.
*/
if (!_mesa_validate_DrawElements( ctx, mode, count, type, indices ))

29
src/mesa/tnl/t_array_import.c
View File

@@ -56,7 +56,12 @@ static void _tnl_import_vertex( GLcontext *ctx,
writeable,
&is_writeable);
#if 0
/* guess we really don't need to add pointers here - BP */
data = ADD_POINTERS(tmp->Ptr, tmp->BufferObj->Data);
#else
data = tmp->Ptr;
#endif
inputs->Obj.data = (GLfloat (*)[4]) data;
inputs->Obj.start = (GLfloat *) data;
inputs->Obj.stride = tmp->StrideB;
@@ -81,7 +86,11 @@ static void _tnl_import_normal( GLcontext *ctx,
stride ? 3*sizeof(GLfloat) : 0, writeable,
&is_writeable);
#if 0
data = ADD_POINTERS(tmp->Ptr, tmp->BufferObj->Data);
#else
data = tmp->Ptr;
#endif
inputs->Normal.data = (GLfloat (*)[4]) data;
inputs->Normal.start = (GLfloat *) data;
inputs->Normal.stride = tmp->StrideB;
@@ -145,7 +154,11 @@ static void _tnl_import_fogcoord( GLcontext *ctx,
stride ? sizeof(GLfloat) : 0, writeable,
&is_writeable);
#if 0
data = ADD_POINTERS(tmp->Ptr, tmp->BufferObj->Data);
#else
data = tmp->Ptr;
#endif
inputs->FogCoord.data = (GLfloat (*)[4]) data;
inputs->FogCoord.start = (GLfloat *) data;
inputs->FogCoord.stride = tmp->StrideB;
@@ -169,7 +182,11 @@ static void _tnl_import_index( GLcontext *ctx,
stride ? sizeof(GLuint) : 0, writeable,
&is_writeable);
#if 0
data = ADD_POINTERS(tmp->Ptr, tmp->BufferObj->Data);
#else
data = tmp->Ptr;
#endif
inputs->Index.data = (GLuint *) data;
inputs->Index.start = (GLuint *) data;
inputs->Index.stride = tmp->StrideB;
@@ -197,7 +214,11 @@ static void _tnl_import_texcoord( GLcontext *ctx,
writeable,
&is_writeable);
#if 0
data = ADD_POINTERS(tmp->Ptr, tmp->BufferObj->Data);
#else
data = tmp->Ptr;
#endif
inputs->TexCoord[unit].data = (GLfloat (*)[4]) data;
inputs->TexCoord[unit].start = (GLfloat *) data;
inputs->TexCoord[unit].stride = tmp->StrideB;
@@ -224,7 +245,11 @@ static void _tnl_import_edgeflag( GLcontext *ctx,
0,
&is_writeable);
#if 0
data = ADD_POINTERS(tmp->Ptr, tmp->BufferObj->Data);
#else
data = tmp->Ptr;
#endif
inputs->EdgeFlag.data = (GLubyte *) data;
inputs->EdgeFlag.start = (GLubyte *) data;
inputs->EdgeFlag.stride = tmp->StrideB;
@@ -253,7 +278,11 @@ static void _tnl_import_attrib( GLcontext *ctx,
writeable,
&is_writeable);
#if 0
data = ADD_POINTERS(tmp->Ptr, tmp->BufferObj->Data);
#else
data = tmp->Ptr;
#endif
inputs->Attribs[index].data = (GLfloat (*)[4]) data;
inputs->Attribs[index].start = (GLfloat *) data;
inputs->Attribs[index].stride = tmp->StrideB;