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path: root/src/gallium/drivers/nvfx/nvfx_buffer.c
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Diffstat (limited to 'src/gallium/drivers/nvfx/nvfx_buffer.c')
-rw-r--r--src/gallium/drivers/nvfx/nvfx_buffer.c98
1 files changed, 56 insertions, 42 deletions
diff --git a/src/gallium/drivers/nvfx/nvfx_buffer.c b/src/gallium/drivers/nvfx/nvfx_buffer.c
index 44680e51959..89bb8570efd 100644
--- a/src/gallium/drivers/nvfx/nvfx_buffer.c
+++ b/src/gallium/drivers/nvfx/nvfx_buffer.c
@@ -6,13 +6,16 @@
#include "nouveau/nouveau_screen.h"
#include "nouveau/nouveau_winsys.h"
#include "nvfx_resource.h"
+#include "nvfx_screen.h"
void nvfx_buffer_destroy(struct pipe_screen *pscreen,
struct pipe_resource *presource)
{
- struct nvfx_resource *buffer = nvfx_resource(presource);
+ struct nvfx_buffer *buffer = nvfx_buffer(presource);
- nouveau_screen_bo_release(pscreen, buffer->bo);
+ if(!(buffer->base.base.flags & NVFX_RESOURCE_FLAG_USER))
+ align_free(buffer->data);
+ nouveau_screen_bo_release(pscreen, buffer->base.bo);
FREE(buffer);
}
@@ -20,31 +23,22 @@ struct pipe_resource *
nvfx_buffer_create(struct pipe_screen *pscreen,
const struct pipe_resource *template)
{
- struct nvfx_resource *buffer;
+ struct nvfx_screen* screen = nvfx_screen(pscreen);
+ struct nvfx_buffer* buffer;
- buffer = CALLOC_STRUCT(nvfx_resource);
+ buffer = CALLOC_STRUCT(nvfx_buffer);
if (!buffer)
return NULL;
- buffer->base = *template;
- buffer->base.flags |= NVFX_RESOURCE_FLAG_LINEAR;
- pipe_reference_init(&buffer->base.reference, 1);
- buffer->base.screen = pscreen;
+ buffer->base.base = *template;
+ buffer->base.base.flags |= NVFX_RESOURCE_FLAG_LINEAR;
+ pipe_reference_init(&buffer->base.base.reference, 1);
+ buffer->base.base.screen = pscreen;
+ buffer->size = util_format_get_stride(template->format, template->width0);
+ buffer->bytes_to_draw_until_static = buffer->size * screen->static_reuse_threshold;
+ buffer->data = align_malloc(buffer->size, 16);
- buffer->bo = nouveau_screen_bo_new(pscreen,
- 16,
- buffer->base.usage,
- buffer->base.bind,
- buffer->base.width0);
-
- if (buffer->bo == NULL)
- goto fail;
-
- return &buffer->base;
-
-fail:
- FREE(buffer);
- return NULL;
+ return &buffer->base.base;
}
@@ -54,29 +48,49 @@ nvfx_user_buffer_create(struct pipe_screen *pscreen,
unsigned bytes,
unsigned usage)
{
- struct nvfx_resource *buffer;
+ struct nvfx_screen* screen = nvfx_screen(pscreen);
+ struct nvfx_buffer* buffer;
- buffer = CALLOC_STRUCT(nvfx_resource);
+ buffer = CALLOC_STRUCT(nvfx_buffer);
if (!buffer)
return NULL;
- pipe_reference_init(&buffer->base.reference, 1);
- buffer->base.flags = NVFX_RESOURCE_FLAG_LINEAR;
- buffer->base.screen = pscreen;
- buffer->base.format = PIPE_FORMAT_R8_UNORM;
- buffer->base.usage = PIPE_USAGE_IMMUTABLE;
- buffer->base.bind = usage;
- buffer->base.width0 = bytes;
- buffer->base.height0 = 1;
- buffer->base.depth0 = 1;
-
- buffer->bo = nouveau_screen_bo_user(pscreen, ptr, bytes);
- if (!buffer->bo)
- goto fail;
-
- return &buffer->base;
+ pipe_reference_init(&buffer->base.base.reference, 1);
+ buffer->base.base.flags = NVFX_RESOURCE_FLAG_LINEAR | NVFX_RESOURCE_FLAG_USER;
+ buffer->base.base.screen = pscreen;
+ buffer->base.base.format = PIPE_FORMAT_R8_UNORM;
+ buffer->base.base.usage = PIPE_USAGE_IMMUTABLE;
+ buffer->base.base.bind = usage;
+ buffer->base.base.width0 = bytes;
+ buffer->base.base.height0 = 1;
+ buffer->base.base.depth0 = 1;
+ buffer->data = ptr;
+ buffer->size = bytes;
+ buffer->bytes_to_draw_until_static = bytes * screen->static_reuse_threshold;
+ buffer->dirty_end = bytes;
+
+ return &buffer->base.base;
+}
-fail:
- FREE(buffer);
- return NULL;
+void nvfx_buffer_upload(struct nvfx_buffer* buffer)
+{
+ unsigned dirty = buffer->dirty_end - buffer->dirty_begin;
+ if(!buffer->base.bo)
+ {
+ buffer->base.bo = nouveau_screen_bo_new(buffer->base.base.screen,
+ 16,
+ buffer->base.base.usage,
+ buffer->base.base.bind,
+ buffer->base.base.width0);
+ }
+
+ if(dirty)
+ {
+ // TODO: may want to use a temporary in some cases
+ nouveau_bo_map(buffer->base.bo, NOUVEAU_BO_WR
+ | (buffer->dirty_unsynchronized ? NOUVEAU_BO_NOSYNC : 0));
+ memcpy(buffer->base.bo->map + buffer->dirty_begin, buffer->data + buffer->dirty_begin, dirty);
+ nouveau_bo_unmap(buffer->base.bo);
+ buffer->dirty_begin = buffer->dirty_end = 0;
+ }
}