#include "main/mtypes.h"
#include "main/bufferobj.h"
+#include "st_inlines.h"
#include "st_context.h"
#include "st_cb_bufferobjects.h"
static void
st_bufferobj_free(GLcontext *ctx, struct gl_buffer_object *obj)
{
- struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_buffer_object *st_obj = st_buffer_object(obj);
if (st_obj->buffer)
- pipe_buffer_reference(pipe->screen, &st_obj->buffer, NULL);
+ pipe_buffer_reference(&st_obj->buffer, NULL);
_mesa_free(st_obj);
}
GLsizeiptrARB size,
const GLvoid * data, struct gl_buffer_object *obj)
{
- struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_buffer_object *st_obj = st_buffer_object(obj);
- char *map;
if (offset >= st_obj->size || size > (st_obj->size - offset))
return;
- map = pipe_buffer_map(pipe->screen, st_obj->buffer, PIPE_BUFFER_USAGE_CPU_WRITE);
- memcpy(map + offset, data, size);
- pipe_buffer_unmap(pipe->screen, st_obj->buffer);
+ st_cond_flush_pipe_buffer_write(st_context(ctx), st_obj->buffer,
+ offset, size, data);
}
GLsizeiptrARB size,
GLvoid * data, struct gl_buffer_object *obj)
{
- struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_buffer_object *st_obj = st_buffer_object(obj);
- char *map;
if (offset >= st_obj->size || size > (st_obj->size - offset))
return;
- map = pipe_buffer_map(pipe->screen, st_obj->buffer, PIPE_BUFFER_USAGE_CPU_READ);
- memcpy(data, map + offset, size);
- pipe_buffer_unmap(pipe->screen, st_obj->buffer);
+ st_cond_flush_pipe_buffer_read(st_context(ctx), st_obj->buffer,
+ offset, size, data);
}
buffer_usage = 0;
}
- pipe_buffer_reference( pipe->screen, &st_obj->buffer, NULL );
+ pipe_buffer_reference( &st_obj->buffer, NULL );
st_obj->buffer = pipe_buffer_create( pipe->screen, 32, buffer_usage, size );
+ if (!st_obj->buffer) {
+ _mesa_error(ctx, GL_OUT_OF_MEMORY, "glBufferDataARB");
+ return;
+ }
+
st_obj->size = size;
if (data)
- st_bufferobj_subdata(ctx, target, 0, size, data, obj);
+ st_no_flush_pipe_buffer_write(st_context(ctx), st_obj->buffer, 0,
+ size, data);
}
st_bufferobj_map(GLcontext *ctx, GLenum target, GLenum access,
struct gl_buffer_object *obj)
{
- struct pipe_context *pipe = st_context(ctx)->pipe;
struct st_buffer_object *st_obj = st_buffer_object(obj);
GLuint flags;
break;
}
- obj->Pointer = pipe_buffer_map(pipe->screen, st_obj->buffer, flags);
+ obj->Pointer = st_cond_flush_pipe_buffer_map(st_context(ctx),
+ st_obj->buffer,
+ flags);
+ if(obj->Pointer) {
+ obj->Offset = 0;
+ obj->Length = obj->Size;
+ }
return obj->Pointer;
}
+
/**
- * Called via glMapBufferARB().
+ * Called via glMapBufferRange().
+ */
+static void *
+st_bufferobj_map_range(GLcontext *ctx, GLenum target,
+ GLintptr offset, GLsizeiptr length, GLbitfield access,
+ struct gl_buffer_object *obj)
+{
+ struct pipe_context *pipe = st_context(ctx)->pipe;
+ struct st_buffer_object *st_obj = st_buffer_object(obj);
+ GLuint flags = 0;
+ char *map;
+
+ if (access & GL_MAP_WRITE_BIT)
+ flags |= PIPE_BUFFER_USAGE_CPU_WRITE;
+
+ if (access & GL_MAP_READ_BIT)
+ flags |= PIPE_BUFFER_USAGE_CPU_READ;
+
+ /* ... other flags ...
+ */
+
+ if (access & MESA_MAP_NOWAIT_BIT)
+ flags |= PIPE_BUFFER_USAGE_DONTBLOCK;
+
+ assert(offset >= 0);
+ assert(length >= 0);
+ assert(offset < obj->Size);
+ assert(offset + length <= obj->Size);
+
+ map = obj->Pointer = pipe_buffer_map_range(pipe->screen, st_obj->buffer, offset, length, flags);
+ if(obj->Pointer) {
+ obj->Offset = 0;
+ obj->Length = obj->Size;
+ map += offset;
+ }
+
+ return map;
+}
+
+
+static void
+st_bufferobj_flush_mapped_range(GLcontext *ctx, GLenum target,
+ GLintptr offset, GLsizeiptr length,
+ struct gl_buffer_object *obj)
+{
+ struct pipe_context *pipe = st_context(ctx)->pipe;
+ struct st_buffer_object *st_obj = st_buffer_object(obj);
+
+ /* Subrange is relative to mapped range */
+ assert(offset >= 0);
+ assert(length >= 0);
+ assert(offset < obj->Length);
+ assert(offset + length <= obj->Length);
+
+ pipe_buffer_flush_mapped_range(pipe->screen, st_obj->buffer,
+ obj->Offset + offset, length);
+}
+
+
+/**
+ * Called via glUnmapBufferARB().
*/
static GLboolean
st_bufferobj_unmap(GLcontext *ctx, GLenum target, struct gl_buffer_object *obj)
pipe_buffer_unmap(pipe->screen, st_obj->buffer);
obj->Pointer = NULL;
+ obj->Offset = 0;
+ obj->Length = 0;
return GL_TRUE;
}
functions->BufferSubData = st_bufferobj_subdata;
functions->GetBufferSubData = st_bufferobj_get_subdata;
functions->MapBuffer = st_bufferobj_map;
+ functions->MapBufferRange = st_bufferobj_map_range;
+ functions->FlushMappedBufferRange = st_bufferobj_flush_mapped_range;
functions->UnmapBuffer = st_bufferobj_unmap;
}