glapi: regenerated files
[mesa.git] / src / mesa / state_tracker / st_cb_bufferobjects.c
index f1b4f11c05026dd482411b6cd4b41ba47928301a..d4d9af4ada385fb15e2c759e42307f4e97293e58 100644 (file)
@@ -36,7 +36,6 @@
 #include "main/arrayobj.h"
 #include "main/bufferobj.h"
 
-#include "st_inlines.h"
 #include "st_context.h"
 #include "st_cb_bufferobjects.h"
 
@@ -52,7 +51,7 @@
  * internal structure where somehow shared.
  */
 static struct gl_buffer_object *
-st_bufferobj_alloc(GLcontext *ctx, GLuint name, GLenum target)
+st_bufferobj_alloc(struct gl_context *ctx, GLuint name, GLenum target)
 {
    struct st_buffer_object *st_obj = ST_CALLOC_STRUCT(st_buffer_object);
 
@@ -71,16 +70,17 @@ st_bufferobj_alloc(GLcontext *ctx, GLuint name, GLenum target)
  * Called via glDeleteBuffersARB().
  */
 static void
-st_bufferobj_free(GLcontext *ctx, struct gl_buffer_object *obj)
+st_bufferobj_free(struct gl_context *ctx, struct gl_buffer_object *obj)
 {
    struct st_buffer_object *st_obj = st_buffer_object(obj);
 
    assert(obj->RefCount == 0);
+   assert(st_obj->transfer == NULL);
 
    if (st_obj->buffer) 
-      pipe_buffer_reference(&st_obj->buffer, NULL);
+      pipe_resource_reference(&st_obj->buffer, NULL);
 
-   _mesa_free(st_obj);
+   free(st_obj);
 }
 
 
@@ -92,7 +92,7 @@ st_bufferobj_free(GLcontext *ctx, struct gl_buffer_object *obj)
  * Called via glBufferSubDataARB().
  */
 static void
-st_bufferobj_subdata(GLcontext *ctx,
+st_bufferobj_subdata(struct gl_context *ctx,
                     GLenum target,
                     GLintptrARB offset,
                     GLsizeiptrARB size,
@@ -116,8 +116,15 @@ st_bufferobj_subdata(GLcontext *ctx,
    if (!data)
       return;
 
-   st_cond_flush_pipe_buffer_write(st_context(ctx), st_obj->buffer,
-                                  offset, size, data);
+   /* Now that transfers are per-context, we don't have to figure out
+    * flushing here.  Usually drivers won't need to flush in this case
+    * even if the buffer is currently referenced by hardware - they
+    * just queue the upload as dma rather than mapping the underlying
+    * buffer directly.
+    */
+   pipe_buffer_write(st_context(ctx)->pipe,
+                    st_obj->buffer,
+                    offset, size, data);
 }
 
 
@@ -125,7 +132,7 @@ st_bufferobj_subdata(GLcontext *ctx,
  * Called via glGetBufferSubDataARB().
  */
 static void
-st_bufferobj_get_subdata(GLcontext *ctx,
+st_bufferobj_get_subdata(struct gl_context *ctx,
                          GLenum target,
                          GLintptrARB offset,
                          GLsizeiptrARB size,
@@ -141,8 +148,8 @@ st_bufferobj_get_subdata(GLcontext *ctx,
    if (!size)
       return;
 
-   st_cond_flush_pipe_buffer_read(st_context(ctx), st_obj->buffer,
-                                 offset, size, data);
+   pipe_buffer_read(st_context(ctx)->pipe, st_obj->buffer,
+                    offset, size, data);
 }
 
 
@@ -154,7 +161,7 @@ st_bufferobj_get_subdata(GLcontext *ctx,
  * \return GL_TRUE for success, GL_FALSE if out of memory
  */
 static GLboolean
-st_bufferobj_data(GLcontext *ctx,
+st_bufferobj_data(struct gl_context *ctx,
                  GLenum target,
                  GLsizeiptrARB size,
                  const GLvoid * data,
@@ -172,29 +179,29 @@ st_bufferobj_data(GLcontext *ctx,
    switch(target) {
    case GL_PIXEL_PACK_BUFFER_ARB:
    case GL_PIXEL_UNPACK_BUFFER_ARB:
-      buffer_usage = PIPE_BUFFER_USAGE_PIXEL;
+      buffer_usage = PIPE_BIND_RENDER_TARGET;
       break;
    case GL_ARRAY_BUFFER_ARB:
-      buffer_usage = PIPE_BUFFER_USAGE_VERTEX;
+      buffer_usage = PIPE_BIND_VERTEX_BUFFER;
       break;
    case GL_ELEMENT_ARRAY_BUFFER_ARB:
-      buffer_usage = PIPE_BUFFER_USAGE_INDEX;
+      buffer_usage = PIPE_BIND_INDEX_BUFFER;
       break;
    default:
       buffer_usage = 0;
    }
 
-   pipe_buffer_reference( &st_obj->buffer, NULL );
+   pipe_resource_reference( &st_obj->buffer, NULL );
 
    if (size != 0) {
-      st_obj->buffer = pipe_buffer_create(pipe->screen, 32, buffer_usage, size);
+      st_obj->buffer = pipe_buffer_create(pipe->screen, buffer_usage, size);
 
       if (!st_obj->buffer) {
          return GL_FALSE;
       }
 
       if (data)
-         st_no_flush_pipe_buffer_write(st_context(ctx), st_obj->buffer, 0,
+         pipe_buffer_write(st_context(ctx)->pipe, st_obj->buffer, 0,
                                       size, data);
       return GL_TRUE;
    }
@@ -203,11 +210,18 @@ st_bufferobj_data(GLcontext *ctx,
 }
 
 
+/**
+ * Dummy data whose's pointer is used for zero size buffers or ranges.
+ */
+static long st_bufferobj_zero_length = 0;
+
+
+
 /**
  * Called via glMapBufferARB().
  */
 static void *
-st_bufferobj_map(GLcontext *ctx, GLenum target, GLenum access,
+st_bufferobj_map(struct gl_context *ctx, GLenum target, GLenum access,
                  struct gl_buffer_object *obj)
 {
    struct st_buffer_object *st_obj = st_buffer_object(obj);
@@ -215,21 +229,28 @@ st_bufferobj_map(GLcontext *ctx, GLenum target, GLenum access,
 
    switch (access) {
    case GL_WRITE_ONLY:
-      flags = PIPE_BUFFER_USAGE_CPU_WRITE;
+      flags = PIPE_TRANSFER_WRITE;
       break;
    case GL_READ_ONLY:
-      flags = PIPE_BUFFER_USAGE_CPU_READ;
+      flags = PIPE_TRANSFER_READ;
       break;
    case GL_READ_WRITE:
-      /* fall-through */
    default:
-      flags = PIPE_BUFFER_USAGE_CPU_READ | PIPE_BUFFER_USAGE_CPU_WRITE;
+      flags = PIPE_TRANSFER_READ_WRITE;
       break;      
    }
 
-   obj->Pointer = st_cond_flush_pipe_buffer_map(st_context(ctx),
-                                               st_obj->buffer,
-                                               flags);
+   /* Handle zero-size buffers here rather than in drivers */
+   if (obj->Size == 0) {
+      obj->Pointer = &st_bufferobj_zero_length;
+   }
+   else {
+      obj->Pointer = pipe_buffer_map(st_context(ctx)->pipe,
+                                     st_obj->buffer,
+                                     flags,
+                                     &st_obj->transfer);
+   }
+
    if (obj->Pointer) {
       obj->Offset = 0;
       obj->Length = obj->Size;
@@ -238,42 +259,41 @@ st_bufferobj_map(GLcontext *ctx, GLenum target, GLenum access,
 }
 
 
-/**
- * Dummy data whose's pointer is used for zero length ranges.
- */
-static long
-st_bufferobj_zero_length_range = 0;
-
-
 /**
  * Called via glMapBufferRange().
  */
 static void *
-st_bufferobj_map_range(GLcontext *ctx, GLenum target, 
+st_bufferobj_map_range(struct gl_context *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);
-   uint flags = 0x0;
+   enum pipe_transfer_usage flags = 0x0;
 
    if (access & GL_MAP_WRITE_BIT)
-      flags |= PIPE_BUFFER_USAGE_CPU_WRITE;
+      flags |= PIPE_TRANSFER_WRITE;
 
    if (access & GL_MAP_READ_BIT)
-      flags |= PIPE_BUFFER_USAGE_CPU_READ;
+      flags |= PIPE_TRANSFER_READ;
 
    if (access & GL_MAP_FLUSH_EXPLICIT_BIT)
-      flags |= PIPE_BUFFER_USAGE_FLUSH_EXPLICIT;
+      flags |= PIPE_TRANSFER_FLUSH_EXPLICIT;
+
+   if (access & GL_MAP_INVALIDATE_RANGE_BIT)
+      flags |= PIPE_TRANSFER_DISCARD;
+
+   if (access & GL_MAP_INVALIDATE_BUFFER_BIT)
+      flags |= PIPE_TRANSFER_DISCARD;
    
    if (access & GL_MAP_UNSYNCHRONIZED_BIT)
-      flags |= PIPE_BUFFER_USAGE_UNSYNCHRONIZED;
+      flags |= PIPE_TRANSFER_UNSYNCHRONIZED;
 
    /* ... other flags ...
     */
 
    if (access & MESA_MAP_NOWAIT_BIT)
-      flags |= PIPE_BUFFER_USAGE_DONTBLOCK;
+      flags |= PIPE_TRANSFER_DONTBLOCK;
 
    assert(offset >= 0);
    assert(length >= 0);
@@ -285,10 +305,14 @@ st_bufferobj_map_range(GLcontext *ctx, GLenum target,
     * length range from the pipe driver.
     */
    if (!length) {
-      obj->Pointer = &st_bufferobj_zero_length_range;
+      obj->Pointer = &st_bufferobj_zero_length;
    }
    else {
-      obj->Pointer = pipe_buffer_map_range(pipe->screen, st_obj->buffer, offset, length, flags);
+      obj->Pointer = pipe_buffer_map_range(pipe, 
+                                           st_obj->buffer,
+                                           offset, length,
+                                           flags,
+                                           &st_obj->transfer);
       if (obj->Pointer) {
          obj->Pointer = (ubyte *) obj->Pointer + offset;
       }
@@ -305,7 +329,7 @@ st_bufferobj_map_range(GLcontext *ctx, GLenum target,
 
 
 static void
-st_bufferobj_flush_mapped_range(GLcontext *ctx, GLenum target, 
+st_bufferobj_flush_mapped_range(struct gl_context *ctx, GLenum target, 
                                 GLintptr offset, GLsizeiptr length,
                                 struct gl_buffer_object *obj)
 {
@@ -316,11 +340,12 @@ st_bufferobj_flush_mapped_range(GLcontext *ctx, GLenum target,
    assert(offset >= 0);
    assert(length >= 0);
    assert(offset + length <= obj->Length);
+   assert(obj->Pointer);
    
    if (!length)
       return;
 
-   pipe_buffer_flush_mapped_range(pipe->screen, st_obj->buffer, 
+   pipe_buffer_flush_mapped_range(pipe, st_obj->transfer, 
                                   obj->Offset + offset, length);
 }
 
@@ -329,14 +354,15 @@ st_bufferobj_flush_mapped_range(GLcontext *ctx, GLenum target,
  * Called via glUnmapBufferARB().
  */
 static GLboolean
-st_bufferobj_unmap(GLcontext *ctx, GLenum target, struct gl_buffer_object *obj)
+st_bufferobj_unmap(struct gl_context *ctx, GLenum target, struct gl_buffer_object *obj)
 {
    struct pipe_context *pipe = st_context(ctx)->pipe;
    struct st_buffer_object *st_obj = st_buffer_object(obj);
 
-   if(obj->Length)
-      pipe_buffer_unmap(pipe->screen, st_obj->buffer);
+   if (obj->Length)
+      pipe_buffer_unmap(pipe, st_obj->transfer);
 
+   st_obj->transfer = NULL;
    obj->Pointer = NULL;
    obj->Offset = 0;
    obj->Length = 0;
@@ -348,7 +374,7 @@ st_bufferobj_unmap(GLcontext *ctx, GLenum target, struct gl_buffer_object *obj)
  * Called via glCopyBufferSubData().
  */
 static void
-st_copy_buffer_subdata(GLcontext *ctx,
+st_copy_buffer_subdata(struct gl_context *ctx,
                        struct gl_buffer_object *src,
                        struct gl_buffer_object *dst,
                        GLintptr readOffset, GLintptr writeOffset,
@@ -357,6 +383,8 @@ st_copy_buffer_subdata(GLcontext *ctx,
    struct pipe_context *pipe = st_context(ctx)->pipe;
    struct st_buffer_object *srcObj = st_buffer_object(src);
    struct st_buffer_object *dstObj = st_buffer_object(dst);
+   struct pipe_transfer *src_transfer;
+   struct pipe_transfer *dst_transfer;
    ubyte *srcPtr, *dstPtr;
 
    if(!size)
@@ -366,21 +394,36 @@ st_copy_buffer_subdata(GLcontext *ctx,
    assert(!src->Pointer);
    assert(!dst->Pointer);
 
-   srcPtr = (ubyte *) pipe_buffer_map_range(pipe->screen,
+   srcPtr = (ubyte *) pipe_buffer_map_range(pipe,
                                             srcObj->buffer,
                                             readOffset, size,
-                                            PIPE_BUFFER_USAGE_CPU_READ);
+                                            PIPE_TRANSFER_READ,
+                                           &src_transfer);
 
-   dstPtr = (ubyte *) pipe_buffer_map_range(pipe->screen,
+   dstPtr = (ubyte *) pipe_buffer_map_range(pipe,
                                             dstObj->buffer,
                                             writeOffset, size,
-                                            PIPE_BUFFER_USAGE_CPU_WRITE);
+                                            PIPE_TRANSFER_WRITE,
+                                           &dst_transfer);
 
    if (srcPtr && dstPtr)
-      _mesa_memcpy(dstPtr + writeOffset, srcPtr + readOffset, size);
+      memcpy(dstPtr + writeOffset, srcPtr + readOffset, size);
 
-   pipe_buffer_unmap(pipe->screen, srcObj->buffer);
-   pipe_buffer_unmap(pipe->screen, dstObj->buffer);
+   pipe_buffer_unmap(pipe, src_transfer);
+   pipe_buffer_unmap(pipe, dst_transfer);
+}
+
+
+/* TODO: if buffer wasn't created with appropriate usage flags, need
+ * to recreate it now and copy contents -- or possibly create a
+ * gallium entrypoint to extend the usage flags and let the driver
+ * decide if a copy is necessary.
+ */
+void
+st_bufferobj_validate_usage(struct st_context *st,
+                           struct st_buffer_object *obj,
+                           unsigned usage)
+{
 }