diff options
Diffstat (limited to 'src/gallium/winsys/drm/radeon/core/radeon_buffer.c')
-rw-r--r-- | src/gallium/winsys/drm/radeon/core/radeon_buffer.c | 83 |
1 files changed, 70 insertions, 13 deletions
diff --git a/src/gallium/winsys/drm/radeon/core/radeon_buffer.c b/src/gallium/winsys/drm/radeon/core/radeon_buffer.c index 385fa857b5..f484503e0e 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_buffer.c +++ b/src/gallium/winsys/drm/radeon/core/radeon_buffer.c @@ -51,6 +51,26 @@ static const char *radeon_get_name(struct pipe_winsys *ws) return "Radeon/GEM+KMS"; } +static uint32_t radeon_domain_from_usage(unsigned usage) +{ + uint32_t domain = 0; + + if (usage & PIPE_BUFFER_USAGE_GPU_WRITE) { + domain |= RADEON_GEM_DOMAIN_VRAM; + } + if (usage & PIPE_BUFFER_USAGE_PIXEL) { + domain |= RADEON_GEM_DOMAIN_VRAM; + } + if (usage & PIPE_BUFFER_USAGE_VERTEX) { + domain |= RADEON_GEM_DOMAIN_GTT; + } + if (usage & PIPE_BUFFER_USAGE_INDEX) { + domain |= RADEON_GEM_DOMAIN_GTT; + } + + return domain; +} + static struct pipe_buffer *radeon_buffer_create(struct pipe_winsys *ws, unsigned alignment, unsigned usage, @@ -58,6 +78,7 @@ static struct pipe_buffer *radeon_buffer_create(struct pipe_winsys *ws, { struct radeon_winsys *radeon_ws = (struct radeon_winsys *)ws; struct radeon_pipe_buffer *radeon_buffer; + struct pb_desc desc; uint32_t domain; radeon_buffer = CALLOC_STRUCT(radeon_pipe_buffer); @@ -70,18 +91,16 @@ static struct pipe_buffer *radeon_buffer_create(struct pipe_winsys *ws, radeon_buffer->base.usage = usage; radeon_buffer->base.size = size; - domain = 0; - - if (usage & PIPE_BUFFER_USAGE_PIXEL) { - domain |= RADEON_GEM_DOMAIN_VRAM; - } - if (usage & PIPE_BUFFER_USAGE_VERTEX) { - domain |= RADEON_GEM_DOMAIN_GTT; - } - if (usage & PIPE_BUFFER_USAGE_INDEX) { - domain |= RADEON_GEM_DOMAIN_GTT; + if (usage & PIPE_BUFFER_USAGE_CONSTANT && is_r3xx(radeon_ws->pci_id)) { + /* Don't bother allocating a BO, as it'll never get to the card. */ + desc.alignment = alignment; + desc.usage = usage; + radeon_buffer->pb = pb_malloc_buffer_create(size, &desc); + return &radeon_buffer->base; } + domain = radeon_domain_from_usage(usage); + radeon_buffer->bo = radeon_bo_open(radeon_ws->priv->bom, 0, size, alignment, domain, 0); if (radeon_buffer->bo == NULL) { @@ -133,8 +152,16 @@ static void radeon_buffer_del(struct pipe_buffer *buffer) struct radeon_pipe_buffer *radeon_buffer = (struct radeon_pipe_buffer*)buffer; - radeon_bo_unref(radeon_buffer->bo); - free(radeon_buffer); + if (radeon_buffer->pb) { + pipe_reference_init(&radeon_buffer->pb->base.reference, 0); + pb_destroy(radeon_buffer->pb); + } + + if (radeon_buffer->bo) { + radeon_bo_unref(radeon_buffer->bo); + } + + FREE(radeon_buffer); } static void *radeon_buffer_map(struct pipe_winsys *ws, @@ -146,6 +173,10 @@ static void *radeon_buffer_map(struct pipe_winsys *ws, (struct radeon_pipe_buffer*)buffer; int write = 0; + if (radeon_buffer->pb) { + return pb_map(radeon_buffer->pb, flags); + } + if (flags & PIPE_BUFFER_USAGE_DONTBLOCK) { uint32_t domain; @@ -174,7 +205,31 @@ static void radeon_buffer_unmap(struct pipe_winsys *ws, struct radeon_pipe_buffer *radeon_buffer = (struct radeon_pipe_buffer*)buffer; - radeon_bo_unmap(radeon_buffer->bo); + if (radeon_buffer->pb) { + pb_unmap(radeon_buffer->pb); + } else { + radeon_bo_unmap(radeon_buffer->bo); + } +} + +static void radeon_buffer_set_tiling(struct radeon_winsys *ws, + struct pipe_buffer *buffer, + uint32_t pitch, + boolean microtiled, + boolean macrotiled) +{ + struct radeon_pipe_buffer *radeon_buffer = + (struct radeon_pipe_buffer*)buffer; + uint32_t flags = 0; + + if (microtiled) { + flags |= RADEON_BO_FLAGS_MICRO_TILE; + } + if (macrotiled) { + flags |= RADEON_BO_FLAGS_MACRO_TILE; + } + + radeon_bo_set_tiling(radeon_buffer->bo, flags, pitch); } static void radeon_fence_reference(struct pipe_winsys *ws, @@ -279,5 +334,7 @@ struct radeon_winsys* radeon_pipe_winsys(int fd) radeon_ws->base.get_name = radeon_get_name; + radeon_ws->buffer_set_tiling = radeon_buffer_set_tiling; + return radeon_ws; } |