diff options
| -rw-r--r-- | src/gallium/drivers/i915simple/Makefile | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/i915simple/SConscript | 1 | ||||
| -rw-r--r-- | src/gallium/drivers/i915simple/i915_buffer.c | 136 | ||||
| -rw-r--r-- | src/gallium/drivers/i915simple/i915_buffer.h | 31 |
4 files changed, 169 insertions, 0 deletions
diff --git a/src/gallium/drivers/i915simple/Makefile b/src/gallium/drivers/i915simple/Makefile index 8870b39866..fb533c1796 100644 --- a/src/gallium/drivers/i915simple/Makefile +++ b/src/gallium/drivers/i915simple/Makefile @@ -5,6 +5,7 @@ LIBNAME = i915simple C_SOURCES = \ i915_blit.c \ + i915_buffer.c \ i915_clear.c \ i915_flush.c \ i915_context.c \ diff --git a/src/gallium/drivers/i915simple/SConscript b/src/gallium/drivers/i915simple/SConscript index 2366e1247f..778c4ed0fd 100644 --- a/src/gallium/drivers/i915simple/SConscript +++ b/src/gallium/drivers/i915simple/SConscript @@ -6,6 +6,7 @@ i915simple = env.ConvenienceLibrary( target = 'i915simple', source = [ 'i915_blit.c', + 'i915_buffer.c', 'i915_clear.c', 'i915_context.c', 'i915_debug.c', diff --git a/src/gallium/drivers/i915simple/i915_buffer.c b/src/gallium/drivers/i915simple/i915_buffer.c new file mode 100644 index 0000000000..effeba1297 --- /dev/null +++ b/src/gallium/drivers/i915simple/i915_buffer.c @@ -0,0 +1,136 @@ +/************************************************************************** + * + * Copyright © 2009 Jakob Bornecrantz + * + * 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 + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + **************************************************************************/ + +#include "util/u_memory.h" +#include "i915_screen.h" +#include "i915_buffer.h" + +struct intel_buffer; + +struct i915_buffer +{ + struct pipe_buffer base; + + struct intel_buffer *ibuf; /** hw buffer */ + + void *data; /**< user and malloc data */ + boolean own; /**< we own the data incase of malloc */ +}; + +static INLINE struct i915_buffer * +i915_buffer(struct pipe_buffer *buffer) +{ + return (struct i915_buffer *)buffer; +} + +static struct pipe_buffer * +i915_buffer_create(struct pipe_screen *screen, + unsigned alignment, + unsigned usage, + unsigned size) +{ + struct i915_buffer *buf = CALLOC_STRUCT(i915_buffer); + + if (!buf) + return NULL; + + pipe_reference_init(&buf->base.reference, 1); + buf->base.alignment = alignment; + buf->base.screen = screen; + buf->base.usage = usage; + buf->base.size = size; + buf->data = MALLOC(size); + buf->own = TRUE; + + if (!buf->data) + goto err; + + return &buf->base; + +err: + FREE(buf); + return NULL; +} + +static struct pipe_buffer * +i915_user_buffer_create(struct pipe_screen *screen, + void *ptr, + unsigned bytes) +{ + struct i915_buffer *buf = CALLOC_STRUCT(i915_buffer); + + if (!buf) + return NULL; + + pipe_reference_init(&buf->base.reference, 1); + buf->base.alignment = 0; + buf->base.screen = screen; + buf->base.usage = 0; + buf->base.size = bytes; + buf->data = ptr; + buf->own = FALSE; + + return &buf->base; +} + +static void * +i915_buffer_map(struct pipe_screen *screen, + struct pipe_buffer *buffer, + unsigned usage) +{ + struct i915_buffer *buf = i915_buffer(buffer); + assert(!buf->ibuf); + return buf->data; +} + +static void +i915_buffer_unmap(struct pipe_screen *screen, + struct pipe_buffer *buffer) +{ + struct i915_buffer *buf = i915_buffer(buffer); + assert(!buf->ibuf); +} + +static void +i915_buffer_destroy(struct pipe_buffer *buffer) +{ + struct i915_buffer *buf = i915_buffer(buffer); + assert(!buf->ibuf); + + if (buf->own) + FREE(buf->data); + FREE(buf); +} + +void i915_init_screen_buffer_functions(struct i915_screen *screen) +{ + screen->base.buffer_create = i915_buffer_create; + screen->base.user_buffer_create = i915_user_buffer_create; + screen->base.buffer_map = i915_buffer_map; + screen->base.buffer_map_range = NULL; + screen->base.buffer_flush_mapped_range = NULL; + screen->base.buffer_unmap = i915_buffer_unmap; + screen->base.buffer_destroy = i915_buffer_destroy; +} diff --git a/src/gallium/drivers/i915simple/i915_buffer.h b/src/gallium/drivers/i915simple/i915_buffer.h new file mode 100644 index 0000000000..80fda7c62f --- /dev/null +++ b/src/gallium/drivers/i915simple/i915_buffer.h @@ -0,0 +1,31 @@ +/************************************************************************** + * + * Copyright © 2009 Jakob Bornecrantz + * + * 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 + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * 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 NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS 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. + * + **************************************************************************/ + +#ifndef I915_BUFFER_H +#define I915_BUFFER_H + +void i915_init_screen_buffer_functions(struct i915_screen *screen); + +#endif |