diff options
Diffstat (limited to 'src/radeon_vbo.h')
-rw-r--r-- | src/radeon_vbo.h | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/src/radeon_vbo.h b/src/radeon_vbo.h new file mode 100644 index 00000000..a8c70b30 --- /dev/null +++ b/src/radeon_vbo.h @@ -0,0 +1,62 @@ + +#ifndef RADEON_VBO_H +#define RADEON_VBO_H + +extern void r600_vb_no_space(ScrnInfoPtr pScrn, int vert_size); +extern void radeon_vbo_init_lists(ScrnInfoPtr pScrn); +extern void radeon_vbo_free_lists(ScrnInfoPtr pScrn); +extern void radeon_vbo_flush_bos(ScrnInfoPtr pScrn); +extern void radeon_vbo_get(ScrnInfoPtr pScrn); +extern void radeon_vbo_put(ScrnInfoPtr pScrn); + +static inline void radeon_vbo_check(ScrnInfoPtr pScrn, int vert_size) +{ + RADEONInfoPtr info = RADEONPTR(pScrn); + struct radeon_accel_state *accel_state = info->accel_state; + + if ((accel_state->vb_offset + (3 * vert_size)) > accel_state->vb_total) { + r600_vb_no_space(pScrn, vert_size); + } +} + +static inline void * +radeon_vbo_space(ScrnInfoPtr pScrn, int vert_size) +{ + RADEONInfoPtr info = RADEONPTR(pScrn); + struct radeon_accel_state *accel_state = info->accel_state; + void *vb; + + /* we've ran out of space in the vertex buffer - need to get a + new one */ + if ((accel_state->vb_offset + (3 * vert_size)) > accel_state->vb_total) { + r600_vb_no_space(pScrn, vert_size); + } + accel_state->vb_op_vert_size = vert_size; +#if defined(XF86DRM_MODE) + if (info->cs) { + int ret; + struct radeon_bo *bo = accel_state->vb_bo; + + if (!bo->ptr) { + ret = radeon_bo_map(bo, 1); + if (ret) { + FatalError("Failed to map vb %d\n", ret); + return NULL; + } + } + vb = (pointer)((char *)bo->ptr + accel_state->vb_offset); + } else +#endif + vb = (pointer)((char *)accel_state->vb_ptr + accel_state->vb_offset); + return vb; +} + +static inline void radeon_vbo_commit(ScrnInfoPtr pScrn) +{ + RADEONInfoPtr info = RADEONPTR(pScrn); + struct radeon_accel_state *accel_state = info->accel_state; + + accel_state->vb_offset += 3 * accel_state->vb_op_vert_size; +} + +#endif |