diff options
| -rw-r--r-- | src/mesa/state_tracker/st_draw.c | 6 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_draw.h | 15 | ||||
| -rw-r--r-- | src/mesa/state_tracker/st_draw_feedback.c | 2 |
3 files changed, 19 insertions, 4 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c index be1d9a8628..772280d7b8 100644 --- a/src/mesa/state_tracker/st_draw.c +++ b/src/mesa/state_tracker/st_draw.c @@ -379,7 +379,7 @@ setup_interleaved_attribs(GLcontext *ctx, else { vbuffer->buffer = NULL; pipe_buffer_reference(&vbuffer->buffer, stobj->buffer); - vbuffer->buffer_offset = (unsigned) low; + vbuffer->buffer_offset = pointer_to_offset(low); } vbuffer->stride = stride; /* in bytes */ vbuffer->max_index = max_index; @@ -434,7 +434,7 @@ setup_non_interleaved_attribs(GLcontext *ctx, vbuffer[attr].buffer = NULL; pipe_buffer_reference(&vbuffer[attr].buffer, stobj->buffer); - vbuffer[attr].buffer_offset = (unsigned) arrays[mesaAttr]->Ptr; + vbuffer[attr].buffer_offset = pointer_to_offset(arrays[mesaAttr]->Ptr); velements[attr].src_offset = 0; } else { @@ -618,7 +618,7 @@ st_draw_vbo(GLcontext *ctx, /* elements/indexes are in a real VBO */ struct st_buffer_object *stobj = st_buffer_object(bufobj); pipe_buffer_reference(&indexBuf, stobj->buffer); - indexOffset = (unsigned) ib->ptr / indexSize; + indexOffset = pointer_to_offset(ib->ptr) / indexSize; } else { /* element/indicies are in user space memory */ diff --git a/src/mesa/state_tracker/st_draw.h b/src/mesa/state_tracker/st_draw.h index 659c3ac834..da04fce8e2 100644 --- a/src/mesa/state_tracker/st_draw.h +++ b/src/mesa/state_tracker/st_draw.h @@ -64,4 +64,19 @@ st_feedback_draw_vbo(GLcontext *ctx, extern GLuint st_pipe_vertex_format(GLenum type, GLuint size, GLboolean normalized); + +/** + * When drawing with VBOs, the addresses specified with + * glVertex/Color/TexCoordPointer() are really offsets into the VBO, not real + * addresses. At some point we need to convert those pointers to offsets. + * This function is basically a cast wrapper to avoid warnings when building + * in 64-bit mode. + */ +static INLINE unsigned +pointer_to_offset(const void *ptr) +{ + return (unsigned) (((unsigned long) ptr) & 0xffffffffUL); +} + + #endif diff --git a/src/mesa/state_tracker/st_draw_feedback.c b/src/mesa/state_tracker/st_draw_feedback.c index d63d8cae28..e533afd051 100644 --- a/src/mesa/state_tracker/st_draw_feedback.c +++ b/src/mesa/state_tracker/st_draw_feedback.c @@ -153,7 +153,7 @@ st_feedback_draw_vbo(GLcontext *ctx, vbuffers[attr].buffer = NULL; pipe_buffer_reference(&vbuffers[attr].buffer, stobj->buffer); - vbuffers[attr].buffer_offset = (unsigned) arrays[0]->Ptr;/* in bytes */ + vbuffers[attr].buffer_offset = pointer_to_offset(arrays[0]->Ptr); velements[attr].src_offset = arrays[mesaAttr]->Ptr - arrays[0]->Ptr; } else { |