diff options
Diffstat (limited to 'src/gallium/winsys/drm/radeon')
4 files changed, 41 insertions, 12 deletions
diff --git a/src/gallium/winsys/drm/radeon/core/radeon_buffer.c b/src/gallium/winsys/drm/radeon/core/radeon_buffer.c index 385fa857b56..b020ff38fa0 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_buffer.c +++ b/src/gallium/winsys/drm/radeon/core/radeon_buffer.c @@ -58,6 +58,7 @@ 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); @@ -70,6 +71,14 @@ static struct pipe_buffer *radeon_buffer_create(struct pipe_winsys *ws, radeon_buffer->base.usage = usage; radeon_buffer->base.size = size; + 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 = 0; if (usage & PIPE_BUFFER_USAGE_PIXEL) { @@ -133,8 +142,16 @@ 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 +163,10 @@ 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 +195,11 @@ 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_fence_reference(struct pipe_winsys *ws, diff --git a/src/gallium/winsys/drm/radeon/core/radeon_buffer.h b/src/gallium/winsys/drm/radeon/core/radeon_buffer.h index d7f17564a9f..de71cb2f42d 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_buffer.h +++ b/src/gallium/winsys/drm/radeon/core/radeon_buffer.h @@ -36,7 +36,7 @@ #include "pipe/p_defines.h" #include "pipe/p_inlines.h" -//#include "state_tracker/st_public.h" +#include "pipebuffer/pb_buffer.h" #include "util/u_memory.h" @@ -49,7 +49,10 @@ struct radeon_pipe_buffer { struct pipe_buffer base; + /* Pointer to GPU-backed BO. */ struct radeon_bo *bo; + /* Pointer to fallback PB buffer. */ + struct pb_buffer *pb; boolean flinked; uint32_t flink; }; diff --git a/src/gallium/winsys/drm/radeon/core/radeon_drm.c b/src/gallium/winsys/drm/radeon/core/radeon_drm.c index 572c5df458e..9552f0ad6a9 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_drm.c +++ b/src/gallium/winsys/drm/radeon/core/radeon_drm.c @@ -120,14 +120,6 @@ static void do_ioctls(int fd, struct radeon_winsys* winsys) drmFreeVersion(version); } -/* Guess at whether this chipset should use r300g. - * - * I believe that this check is valid, but I haven't been exhaustive. */ -static boolean is_r3xx(int pciid) -{ - return (pciid > 0x3150) && (pciid < 0x796f); -} - /* Create a pipe_screen. */ struct pipe_screen* radeon_create_screen(struct drm_api* api, int drmFB, diff --git a/src/gallium/winsys/drm/radeon/core/radeon_drm.h b/src/gallium/winsys/drm/radeon/core/radeon_drm.h index 28f2ba818e9..ddd7983824a 100644 --- a/src/gallium/winsys/drm/radeon/core/radeon_drm.h +++ b/src/gallium/winsys/drm/radeon/core/radeon_drm.h @@ -77,4 +77,13 @@ boolean radeon_global_handle_from_buffer(struct drm_api* api, unsigned* handle); void radeon_destroy_drm_api(struct drm_api* api); + +/* Guess at whether this chipset should use r300g. + * + * I believe that this check is valid, but I haven't been exhaustive. */ +static boolean is_r3xx(int pciid) +{ + return (pciid > 0x3150) && (pciid < 0x796f); +} + #endif |