diff options
Diffstat (limited to 'src/gallium/drivers/r300/r300_screen_buffer.h')
-rw-r--r-- | src/gallium/drivers/r300/r300_screen_buffer.h | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_screen_buffer.h b/src/gallium/drivers/r300/r300_screen_buffer.h new file mode 100644 index 0000000000..57f48229b2 --- /dev/null +++ b/src/gallium/drivers/r300/r300_screen_buffer.h @@ -0,0 +1,134 @@ +/* + * Copyright 2010 Red Hat Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: Dave Airlie + */ + +#ifndef R300_SCREEN_BUFFER_H +#define R300_SCREEN_BUFFER_H + +#include <stdio.h> +#include "pipe/p_compiler.h" +#include "pipe/p_state.h" +#include "util/u_transfer.h" + +#include "r300_screen.h" +#include "r300_winsys.h" +#include "r300_context.h" + +#define R300_BUFFER_MAGIC 0xabcd1234 +#define R300_BUFFER_MAX_RANGES 32 + +struct r300_buffer_range { + uint32_t start; + uint32_t end; +}; + +/* Vertex buffer. */ +struct r300_buffer +{ + struct u_resource b; + + uint32_t magic; + + struct r300_winsys_buffer *buf; + + void *user_buffer; + struct r300_buffer_range ranges[R300_BUFFER_MAX_RANGES]; + unsigned num_ranges; +}; + +/* Functions. */ + +int r300_upload_user_buffers(struct r300_context *r300); + +int r300_upload_index_buffer(struct r300_context *r300, + struct pipe_resource **index_buffer, + unsigned index_size, + unsigned start, + unsigned count); + +struct pipe_resource *r300_buffer_create(struct pipe_screen *screen, + const struct pipe_resource *templ); + +struct pipe_resource *r300_user_buffer_create(struct pipe_screen *screen, + void *ptr, + unsigned bytes, + unsigned usage); + +unsigned r300_buffer_is_referenced(struct pipe_context *context, + struct pipe_resource *buf, + enum r300_reference_domain domain); + +/* Inline functions. */ + +static INLINE struct r300_buffer *r300_buffer(struct pipe_resource *buffer) +{ + if (buffer) { + assert(((struct r300_buffer *)buffer)->magic == R300_BUFFER_MAGIC); + return (struct r300_buffer *)buffer; + } + return NULL; +} + +static INLINE boolean r300_buffer_is_user_buffer(struct pipe_resource *buffer) +{ + return r300_buffer(buffer)->user_buffer ? true : false; +} + +static INLINE boolean r300_add_buffer(struct r300_winsys_screen *rws, + struct pipe_resource *buffer, + int rd, int wr) +{ + struct r300_buffer *buf = r300_buffer(buffer); + + if (!buf->buf) + return true; + + return rws->add_buffer(rws, buf->buf, rd, wr); +} + +static INLINE boolean r300_add_texture(struct r300_winsys_screen *rws, + struct r300_texture *tex, + int rd, int wr) +{ + return rws->add_buffer(rws, tex->buffer, rd, wr); +} + +static INLINE void r300_buffer_write_reloc(struct r300_winsys_screen *rws, + struct r300_buffer *buf, + uint32_t rd, uint32_t wd, uint32_t flags) +{ + if (!buf->buf) + return; + + rws->write_cs_reloc(rws, buf->buf, rd, wd, flags); +} + +static INLINE void r300_texture_write_reloc(struct r300_winsys_screen *rws, + struct r300_texture *texture, + uint32_t rd, uint32_t wd, uint32_t flags) +{ + rws->write_cs_reloc(rws, texture->buffer, rd, wd, flags); +} + +#endif |