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-rw-r--r--src/gallium/drivers/identity/Makefile11
-rw-r--r--src/gallium/drivers/identity/SConscript13
-rw-r--r--src/gallium/drivers/identity/id_context.c719
-rw-r--r--src/gallium/drivers/identity/id_context.h48
-rw-r--r--src/gallium/drivers/identity/id_objects.c182
-rw-r--r--src/gallium/drivers/identity/id_objects.h169
-rw-r--r--src/gallium/drivers/identity/id_public.h40
-rw-r--r--src/gallium/drivers/identity/id_screen.c481
-rw-r--r--src/gallium/drivers/identity/id_screen.h48
9 files changed, 1711 insertions, 0 deletions
diff --git a/src/gallium/drivers/identity/Makefile b/src/gallium/drivers/identity/Makefile
new file mode 100644
index 00000000000..74692d97610
--- /dev/null
+++ b/src/gallium/drivers/identity/Makefile
@@ -0,0 +1,11 @@
+TOP = ../../../..
+include $(TOP)/configs/current
+
+LIBNAME = identity
+
+C_SOURCES = \
+ id_objects.c \
+ id_context.c \
+ id_screen.c
+
+include ../../Makefile.template
diff --git a/src/gallium/drivers/identity/SConscript b/src/gallium/drivers/identity/SConscript
new file mode 100644
index 00000000000..7f079dd0a8b
--- /dev/null
+++ b/src/gallium/drivers/identity/SConscript
@@ -0,0 +1,13 @@
+Import('*')
+
+env = env.Clone()
+
+identity = env.ConvenienceLibrary(
+ target = 'identity',
+ source = [
+ 'id_screen.c',
+ 'id_context.c',
+ 'id_objects.c',
+ ])
+
+Export('identity')
diff --git a/src/gallium/drivers/identity/id_context.c b/src/gallium/drivers/identity/id_context.c
new file mode 100644
index 00000000000..a500ec60454
--- /dev/null
+++ b/src/gallium/drivers/identity/id_context.c
@@ -0,0 +1,719 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, 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 VMWARE AND/OR ITS 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.
+ *
+ **************************************************************************/
+
+
+#include "pipe/p_context.h"
+#include "util/u_memory.h"
+
+#include "id_public.h"
+#include "id_context.h"
+#include "id_objects.h"
+
+
+static void
+identity_destroy(struct pipe_context *_pipe)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->destroy(pipe);
+
+ free(id_pipe);
+}
+
+static void
+identity_set_edgeflags(struct pipe_context *_pipe,
+ const unsigned *bitfield)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->set_edgeflags(pipe,
+ bitfield);
+}
+
+static boolean
+identity_draw_arrays(struct pipe_context *_pipe,
+ unsigned prim,
+ unsigned start,
+ unsigned count)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ return pipe->draw_arrays(pipe,
+ prim,
+ start,
+ count);
+}
+
+static boolean
+identity_draw_elements(struct pipe_context *_pipe,
+ struct pipe_buffer *_indexBuffer,
+ unsigned indexSize,
+ unsigned prim,
+ unsigned start,
+ unsigned count)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct identity_buffer *id_buffer = identity_buffer(_indexBuffer);
+ struct pipe_context *pipe = id_pipe->pipe;
+ struct pipe_buffer *indexBuffer = id_buffer->buffer;
+
+ return pipe->draw_elements(pipe,
+ indexBuffer,
+ indexSize,
+ prim,
+ start,
+ count);
+}
+
+static boolean
+identity_draw_range_elements(struct pipe_context *_pipe,
+ struct pipe_buffer *_indexBuffer,
+ unsigned indexSize,
+ unsigned minIndex,
+ unsigned maxIndex,
+ unsigned mode,
+ unsigned start,
+ unsigned count)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct identity_buffer *id_buffer = identity_buffer(_indexBuffer);
+ struct pipe_context *pipe = id_pipe->pipe;
+ struct pipe_buffer *indexBuffer = id_buffer->buffer;
+
+ return pipe->draw_range_elements(pipe,
+ indexBuffer,
+ indexSize,
+ minIndex,
+ maxIndex,
+ mode,
+ start,
+ count);
+}
+
+static struct pipe_query *
+identity_create_query(struct pipe_context *_pipe,
+ unsigned query_type)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ return pipe->create_query(pipe,
+ query_type);
+}
+
+static void
+identity_destroy_query(struct pipe_context *_pipe,
+ struct pipe_query *query)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->destroy_query(pipe,
+ query);
+}
+
+static void
+identity_begin_query(struct pipe_context *_pipe,
+ struct pipe_query *query)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->begin_query(pipe,
+ query);
+}
+
+static void
+identity_end_query(struct pipe_context *_pipe,
+ struct pipe_query *query)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->end_query(pipe,
+ query);
+}
+
+static boolean
+identity_get_query_result(struct pipe_context *_pipe,
+ struct pipe_query *query,
+ boolean wait,
+ uint64_t *result)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ return pipe->get_query_result(pipe,
+ query,
+ wait,
+ result);
+}
+
+static void *
+identity_create_blend_state(struct pipe_context *_pipe,
+ const struct pipe_blend_state *blend)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ return pipe->create_blend_state(pipe,
+ blend);
+}
+
+static void
+identity_bind_blend_state(struct pipe_context *_pipe,
+ void *blend)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->bind_blend_state(pipe,
+ blend);
+}
+
+static void
+identity_delete_blend_state(struct pipe_context *_pipe,
+ void *blend)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->delete_blend_state(pipe,
+ blend);
+}
+
+static void *
+identity_create_sampler_state(struct pipe_context *_pipe,
+ const struct pipe_sampler_state *sampler)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ return pipe->create_sampler_state(pipe,
+ sampler);
+}
+
+static void
+identity_bind_sampler_states(struct pipe_context *_pipe,
+ unsigned num,
+ void **samplers)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->bind_sampler_states(pipe,
+ num,
+ samplers);
+}
+
+static void
+identity_delete_sampler_state(struct pipe_context *_pipe,
+ void *sampler)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->delete_sampler_state(pipe,
+ sampler);
+}
+
+static void *
+identity_create_rasterizer_state(struct pipe_context *_pipe,
+ const struct pipe_rasterizer_state *rasterizer)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ return pipe->create_rasterizer_state(pipe,
+ rasterizer);
+}
+
+static void
+identity_bind_rasterizer_state(struct pipe_context *_pipe,
+ void *rasterizer)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->bind_rasterizer_state(pipe,
+ rasterizer);
+}
+
+static void
+identity_delete_rasterizer_state(struct pipe_context *_pipe,
+ void *rasterizer)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->delete_rasterizer_state(pipe,
+ rasterizer);
+}
+
+static void *
+identity_create_depth_stencil_alpha_state(struct pipe_context *_pipe,
+ const struct pipe_depth_stencil_alpha_state *depth_stencil_alpha)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ return pipe->create_depth_stencil_alpha_state(pipe,
+ depth_stencil_alpha);
+}
+
+static void
+identity_bind_depth_stencil_alpha_state(struct pipe_context *_pipe,
+ void *depth_stencil_alpha)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->bind_depth_stencil_alpha_state(pipe,
+ depth_stencil_alpha);
+}
+
+static void
+identity_delete_depth_stencil_alpha_state(struct pipe_context *_pipe,
+ void *depth_stencil_alpha)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->delete_depth_stencil_alpha_state(pipe,
+ depth_stencil_alpha);
+}
+
+static void *
+identity_create_fs_state(struct pipe_context *_pipe,
+ const struct pipe_shader_state *fs)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ return pipe->create_fs_state(pipe,
+ fs);
+}
+
+static void
+identity_bind_fs_state(struct pipe_context *_pipe,
+ void *fs)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->bind_fs_state(pipe,
+ fs);
+}
+
+static void
+identity_delete_fs_state(struct pipe_context *_pipe,
+ void *fs)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->delete_fs_state(pipe,
+ fs);
+}
+
+static void *
+identity_create_vs_state(struct pipe_context *_pipe,
+ const struct pipe_shader_state *vs)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ return pipe->create_vs_state(pipe,
+ vs);
+}
+
+static void
+identity_bind_vs_state(struct pipe_context *_pipe,
+ void *vs)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->bind_vs_state(pipe,
+ vs);
+}
+
+static void
+identity_delete_vs_state(struct pipe_context *_pipe,
+ void *vs)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->delete_vs_state(pipe,
+ vs);
+}
+
+static void
+identity_set_blend_color(struct pipe_context *_pipe,
+ const struct pipe_blend_color *blend_color)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->set_blend_color(pipe,
+ blend_color);
+}
+
+static void
+identity_set_clip_state(struct pipe_context *_pipe,
+ const struct pipe_clip_state *clip)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->set_clip_state(pipe,
+ clip);
+}
+
+static void
+identity_set_constant_buffer(struct pipe_context *_pipe,
+ uint shader,
+ uint index,
+ const struct pipe_constant_buffer *_buffer)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+ struct pipe_constant_buffer unwrapped_buffer;
+ struct pipe_constant_buffer *buffer = NULL;
+
+ /* unwrap the input state */
+ if (_buffer) {
+ unwrapped_buffer.buffer = identity_buffer_unwrap(_buffer->buffer);
+ buffer = &unwrapped_buffer;
+ }
+
+ pipe->set_constant_buffer(pipe,
+ shader,
+ index,
+ buffer);
+}
+
+static void
+identity_set_framebuffer_state(struct pipe_context *_pipe,
+ const struct pipe_framebuffer_state *_state)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+ struct pipe_framebuffer_state unwrapped_state;
+ struct pipe_framebuffer_state *state = NULL;
+ unsigned i;
+
+ /* unwrap the input state */
+ if (_state) {
+ memcpy(&unwrapped_state, _state, sizeof(unwrapped_state));
+ for(i = 0; i < _state->nr_cbufs; i++)
+ unwrapped_state.cbufs[i] = identity_surface_unwrap(_state->cbufs[i]);
+ for (; i < PIPE_MAX_COLOR_BUFS; i++)
+ unwrapped_state.cbufs[i] = NULL;
+ unwrapped_state.zsbuf = identity_surface_unwrap(_state->zsbuf);
+ state = &unwrapped_state;
+ }
+
+ pipe->set_framebuffer_state(pipe,
+ state);
+}
+
+static void
+identity_set_polygon_stipple(struct pipe_context *_pipe,
+ const struct pipe_poly_stipple *poly_stipple)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->set_polygon_stipple(pipe,
+ poly_stipple);
+}
+
+static void
+identity_set_scissor_state(struct pipe_context *_pipe,
+ const struct pipe_scissor_state *scissor)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->set_scissor_state(pipe,
+ scissor);
+}
+
+static void
+identity_set_viewport_state(struct pipe_context *_pipe,
+ const struct pipe_viewport_state *viewport)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->set_viewport_state(pipe,
+ viewport);
+}
+
+static void
+identity_set_sampler_textures(struct pipe_context *_pipe,
+ unsigned num_textures,
+ struct pipe_texture **_textures)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+ struct pipe_texture *unwrapped_textures[PIPE_MAX_SAMPLERS];
+ struct pipe_texture **textures = NULL;
+ unsigned i;
+
+ if (_textures) {
+ for (i = 0; i < num_textures; i++)
+ unwrapped_textures[i] = identity_texture_unwrap(_textures[i]);
+ for (; i < PIPE_MAX_SAMPLERS; i++)
+ unwrapped_textures[i] = NULL;
+
+ textures = unwrapped_textures;
+ }
+
+ pipe->set_sampler_textures(pipe,
+ num_textures,
+ _textures);
+}
+
+static void
+identity_set_vertex_buffers(struct pipe_context *_pipe,
+ unsigned num_buffers,
+ const struct pipe_vertex_buffer *_buffers)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+ struct pipe_vertex_buffer unwrapped_buffers[PIPE_MAX_SHADER_INPUTS];
+ struct pipe_vertex_buffer *buffers = NULL;
+ unsigned i;
+
+ if (num_buffers) {
+ memcpy(unwrapped_buffers, _buffers, num_buffers * sizeof(*_buffers));
+ for (i = 0; i < num_buffers; i++)
+ unwrapped_buffers[i].buffer = identity_buffer_unwrap(_buffers[i].buffer);
+ buffers = unwrapped_buffers;
+ }
+
+ pipe->set_vertex_buffers(pipe,
+ num_buffers,
+ buffers);
+}
+
+static void
+identity_set_vertex_elements(struct pipe_context *_pipe,
+ unsigned num_elements,
+ const struct pipe_vertex_element *vertex_elements)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->set_vertex_elements(pipe,
+ num_elements,
+ vertex_elements);
+}
+
+static void
+identity_surface_copy(struct pipe_context *_pipe,
+ struct pipe_surface *_dst,
+ unsigned dstx,
+ unsigned dsty,
+ struct pipe_surface *_src,
+ unsigned srcx,
+ unsigned srcy,
+ unsigned width,
+ unsigned height)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct identity_surface *id_surface_dst = identity_surface(_dst);
+ struct identity_surface *id_surface_src = identity_surface(_src);
+ struct pipe_context *pipe = id_pipe->pipe;
+ struct pipe_surface *dst = id_surface_dst->surface;
+ struct pipe_surface *src = id_surface_src->surface;
+
+ pipe->surface_copy(pipe,
+ dst,
+ dstx,
+ dsty,
+ src,
+ srcx,
+ srcy,
+ width,
+ height);
+}
+
+static void
+identity_surface_fill(struct pipe_context *_pipe,
+ struct pipe_surface *_dst,
+ unsigned dstx,
+ unsigned dsty,
+ unsigned width,
+ unsigned height,
+ unsigned value)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct identity_surface *id_surface_dst = identity_surface(_dst);
+ struct pipe_context *pipe = id_pipe->pipe;
+ struct pipe_surface *dst = id_surface_dst->surface;
+
+ pipe->surface_fill(pipe,
+ dst,
+ dstx,
+ dsty,
+ width,
+ height,
+ value);
+}
+
+static void
+identity_clear(struct pipe_context *_pipe,
+ unsigned buffers,
+ const float *rgba,
+ double depth,
+ unsigned stencil)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->clear(pipe,
+ buffers,
+ rgba,
+ depth,
+ stencil);
+}
+
+static void
+identity_flush(struct pipe_context *_pipe,
+ unsigned flags,
+ struct pipe_fence_handle **fence)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct pipe_context *pipe = id_pipe->pipe;
+
+ pipe->flush(pipe,
+ flags,
+ fence);
+}
+
+static unsigned int
+identity_is_texture_referenced(struct pipe_context *_pipe,
+ struct pipe_texture *_texture,
+ unsigned face,
+ unsigned level)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct identity_texture *id_texture = identity_texture(_texture);
+ struct pipe_context *pipe = id_pipe->pipe;
+ struct pipe_texture *texture = id_texture->texture;
+
+ return pipe->is_texture_referenced(pipe,
+ texture,
+ face,
+ level);
+}
+
+static unsigned int
+identity_is_buffer_referenced(struct pipe_context *_pipe,
+ struct pipe_buffer *_buffer)
+{
+ struct identity_context *id_pipe = identity_context(_pipe);
+ struct identity_buffer *id_buffer = identity_buffer(_buffer);
+ struct pipe_context *pipe = id_pipe->pipe;
+ struct pipe_buffer *buffer = id_buffer->buffer;
+
+ return pipe->is_buffer_referenced(pipe,
+ buffer);
+}
+
+struct pipe_context *
+identity_context_create(struct pipe_screen *_screen, struct pipe_context *pipe)
+{
+ struct identity_context *id_pipe;
+ (void)identity_screen(_screen);
+
+ id_pipe = CALLOC_STRUCT(identity_context);
+ if (!id_pipe) {
+ return NULL;
+ }
+
+ id_pipe->base.winsys = NULL;
+ id_pipe->base.screen = _screen;
+ id_pipe->base.priv = pipe->priv;
+ id_pipe->base.draw = NULL;
+
+ id_pipe->base.destroy = identity_destroy;
+ id_pipe->base.set_edgeflags = identity_set_edgeflags;
+ id_pipe->base.draw_arrays = identity_draw_arrays;
+ id_pipe->base.draw_elements = identity_draw_elements;
+ id_pipe->base.draw_range_elements = identity_draw_range_elements;
+ id_pipe->base.create_query = identity_create_query;
+ id_pipe->base.destroy_query = identity_destroy_query;
+ id_pipe->base.begin_query = identity_begin_query;
+ id_pipe->base.end_query = identity_end_query;
+ id_pipe->base.get_query_result = identity_get_query_result;
+ id_pipe->base.create_blend_state = identity_create_blend_state;
+ id_pipe->base.bind_blend_state = identity_bind_blend_state;
+ id_pipe->base.delete_blend_state = identity_delete_blend_state;
+ id_pipe->base.create_sampler_state = identity_create_sampler_state;
+ id_pipe->base.bind_sampler_states = identity_bind_sampler_states;
+ id_pipe->base.delete_sampler_state = identity_delete_sampler_state;
+ id_pipe->base.create_rasterizer_state = identity_create_rasterizer_state;
+ id_pipe->base.bind_rasterizer_state = identity_bind_rasterizer_state;
+ id_pipe->base.delete_rasterizer_state = identity_delete_rasterizer_state;
+ id_pipe->base.create_depth_stencil_alpha_state = identity_create_depth_stencil_alpha_state;
+ id_pipe->base.bind_depth_stencil_alpha_state = identity_bind_depth_stencil_alpha_state;
+ id_pipe->base.delete_depth_stencil_alpha_state = identity_delete_depth_stencil_alpha_state;
+ id_pipe->base.create_fs_state = identity_create_fs_state;
+ id_pipe->base.bind_fs_state = identity_bind_fs_state;
+ id_pipe->base.delete_fs_state = identity_delete_fs_state;
+ id_pipe->base.create_vs_state = identity_create_vs_state;
+ id_pipe->base.bind_vs_state = identity_bind_vs_state;
+ id_pipe->base.delete_vs_state = identity_delete_vs_state;
+ id_pipe->base.set_blend_color = identity_set_blend_color;
+ id_pipe->base.set_clip_state = identity_set_clip_state;
+ id_pipe->base.set_constant_buffer = identity_set_constant_buffer;
+ id_pipe->base.set_framebuffer_state = identity_set_framebuffer_state;
+ id_pipe->base.set_polygon_stipple = identity_set_polygon_stipple;
+ id_pipe->base.set_scissor_state = identity_set_scissor_state;
+ id_pipe->base.set_viewport_state = identity_set_viewport_state;
+ id_pipe->base.set_sampler_textures = identity_set_sampler_textures;
+ id_pipe->base.set_vertex_buffers = identity_set_vertex_buffers;
+ id_pipe->base.set_vertex_elements = identity_set_vertex_elements;
+ id_pipe->base.surface_copy = identity_surface_copy;
+ id_pipe->base.surface_fill = identity_surface_fill;
+ id_pipe->base.clear = identity_clear;
+ id_pipe->base.flush = identity_flush;
+ id_pipe->base.is_texture_referenced = identity_is_texture_referenced;
+ id_pipe->base.is_buffer_referenced = identity_is_buffer_referenced;
+
+ id_pipe->pipe = pipe;
+
+ return &id_pipe->base;
+}
diff --git a/src/gallium/drivers/identity/id_context.h b/src/gallium/drivers/identity/id_context.h
new file mode 100644
index 00000000000..75b73fc7df6
--- /dev/null
+++ b/src/gallium/drivers/identity/id_context.h
@@ -0,0 +1,48 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, 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 VMWARE AND/OR ITS 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.
+ *
+ **************************************************************************/
+
+#ifndef ID_CONTEXT_H
+#define ID_CONTEXT_H
+
+#include "pipe/p_state.h"
+#include "pipe/p_context.h"
+
+
+struct identity_context {
+ struct pipe_context base; /**< base class */
+
+ struct pipe_context *pipe;
+};
+
+
+static INLINE struct identity_context *
+identity_context(struct pipe_context *pipe)
+{
+ return (struct identity_context *)pipe;
+}
+
+#endif /* ID_CONTEXT_H */
diff --git a/src/gallium/drivers/identity/id_objects.c b/src/gallium/drivers/identity/id_objects.c
new file mode 100644
index 00000000000..e893e599408
--- /dev/null
+++ b/src/gallium/drivers/identity/id_objects.c
@@ -0,0 +1,182 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, 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 VMWARE AND/OR ITS 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.
+ *
+ **************************************************************************/
+
+#include "util/u_memory.h"
+
+#include "id_public.h"
+#include "id_screen.h"
+#include "id_objects.h"
+
+struct pipe_buffer *
+identity_buffer_create(struct identity_screen *id_screen,
+ struct pipe_buffer *buffer)
+{
+ struct identity_buffer *id_buffer;
+
+ if(!buffer)
+ goto error;
+
+ assert(buffer->screen == id_screen->screen);
+
+ id_buffer = CALLOC_STRUCT(identity_buffer);
+ if(!id_buffer)
+ goto error;
+
+ memcpy(&id_buffer->base, buffer, sizeof(struct pipe_buffer));
+
+ pipe_reference_init(&id_buffer->base.reference, 1);
+ id_buffer->base.screen = &id_screen->base;
+ id_buffer->buffer = buffer;
+
+ return &id_buffer->base;
+
+error:
+ pipe_buffer_reference(&buffer, NULL);
+ return NULL;
+}
+
+void
+identity_buffer_destroy(struct identity_buffer *id_buffer)
+{
+ pipe_buffer_reference(&id_buffer->buffer, NULL);
+ FREE(id_buffer);
+}
+
+
+struct pipe_texture *
+identity_texture_create(struct identity_screen *id_screen,
+ struct pipe_texture *texture)
+{
+ struct identity_texture *id_texture;
+
+ if(!texture)
+ goto error;
+
+ assert(texture->screen == id_screen->screen);
+
+ id_texture = CALLOC_STRUCT(identity_texture);
+ if(!id_texture)
+ goto error;
+
+ memcpy(&id_texture->base, texture, sizeof(struct pipe_texture));
+
+ pipe_reference_init(&id_texture->base.reference, 1);
+ id_texture->base.screen = &id_screen->base;
+ id_texture->texture = texture;
+
+ return &id_texture->base;
+
+error:
+ pipe_texture_reference(&texture, NULL);
+ return NULL;
+}
+
+void
+identity_texture_destroy(struct identity_texture *id_texture)
+{
+ pipe_texture_reference(&id_texture->texture, NULL);
+ FREE(id_texture);
+}
+
+
+struct pipe_surface *
+identity_surface_create(struct identity_texture *id_texture,
+ struct pipe_surface *surface)
+{
+ struct identity_surface *id_surface;
+
+ if(!surface)
+ goto error;
+
+ assert(surface->texture == id_texture->texture);
+
+ id_surface = CALLOC_STRUCT(identity_surface);
+ if(!id_surface)
+ goto error;
+
+ memcpy(&id_surface->base, surface, sizeof(struct pipe_surface));
+
+ pipe_reference_init(&id_surface->base.reference, 1);
+ id_surface->base.texture = NULL;
+ pipe_texture_reference(&id_surface->base.texture, &id_texture->base);
+ id_surface->surface = surface;
+
+ return &id_surface->base;
+
+error:
+ pipe_surface_reference(&surface, NULL);
+ return NULL;
+}
+
+void
+identity_surface_destroy(struct identity_surface *id_surface)
+{
+ pipe_texture_reference(&id_surface->base.texture, NULL);
+ pipe_surface_reference(&id_surface->surface, NULL);
+ FREE(id_surface);
+}
+
+
+struct pipe_transfer *
+identity_transfer_create(struct identity_texture *id_texture,
+ struct pipe_transfer *transfer)
+{
+ struct identity_transfer *id_transfer;
+
+ if(!transfer)
+ goto error;
+
+ assert(transfer->texture == id_texture->texture);
+
+ id_transfer = CALLOC_STRUCT(identity_transfer);
+ if(!id_transfer)
+ goto error;
+
+ memcpy(&id_transfer->base, transfer, sizeof(struct pipe_transfer));
+
+ id_transfer->base.texture = NULL;
+ pipe_texture_reference(&id_transfer->base.texture, &id_texture->base);
+ id_transfer->transfer = transfer;
+ assert(id_transfer->base.texture == &id_texture->base);
+
+ return &id_transfer->base;
+
+error:
+ transfer->texture->screen->tex_transfer_destroy(transfer);
+ return NULL;
+}
+
+void
+identity_transfer_destroy(struct identity_transfer *id_transfer)
+{
+ struct identity_screen *id_screen = identity_screen(id_transfer->base.texture->screen);
+ struct pipe_screen *screen = id_screen->screen;
+
+ pipe_texture_reference(&id_transfer->base.texture, NULL);
+ screen->tex_transfer_destroy(id_transfer->transfer);
+ FREE(id_transfer);
+}
diff --git a/src/gallium/drivers/identity/id_objects.h b/src/gallium/drivers/identity/id_objects.h
new file mode 100644
index 00000000000..ce58faa3c7c
--- /dev/null
+++ b/src/gallium/drivers/identity/id_objects.h
@@ -0,0 +1,169 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, 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 VMWARE AND/OR ITS 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.
+ *
+ **************************************************************************/
+
+#ifndef ID_OBJECTS_H
+#define ID_OBJECTS_H
+
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_state.h"
+
+#include "id_screen.h"
+
+
+struct identity_buffer
+{
+ struct pipe_buffer base;
+
+ struct pipe_buffer *buffer;
+};
+
+
+struct identity_texture
+{
+ struct pipe_texture base;
+
+ struct pipe_texture *texture;
+};
+
+
+struct identity_surface
+{
+ struct pipe_surface base;
+
+ struct pipe_surface *surface;
+};
+
+
+struct identity_transfer
+{
+ struct pipe_transfer base;
+
+ struct pipe_transfer *transfer;
+};
+
+
+static INLINE struct identity_buffer *
+identity_buffer(struct pipe_buffer *_buffer)
+{
+ if(!_buffer)
+ return NULL;
+ (void)identity_screen(_buffer->screen);
+ return (struct identity_buffer *)_buffer;
+}
+
+static INLINE struct identity_texture *
+identity_texture(struct pipe_texture *_texture)
+{
+ if(!_texture)
+ return NULL;
+ (void)identity_screen(_texture->screen);
+ return (struct identity_texture *)_texture;
+}
+
+static INLINE struct identity_surface *
+identity_surface(struct pipe_surface *_surface)
+{
+ if(!_surface)
+ return NULL;
+ (void)identity_texture(_surface->texture);
+ return (struct identity_surface *)_surface;
+}
+
+static INLINE struct identity_transfer *
+identity_transfer(struct pipe_transfer *_transfer)
+{
+ if(!_transfer)
+ return NULL;
+ (void)identity_texture(_transfer->texture);
+ return (struct identity_transfer *)_transfer;
+}
+
+
+static INLINE struct pipe_buffer *
+identity_buffer_unwrap(struct pipe_buffer *_buffer)
+{
+ if(!_buffer)
+ return NULL;
+ return identity_buffer(_buffer)->buffer;
+}
+
+static INLINE struct pipe_texture *
+identity_texture_unwrap(struct pipe_texture *_texture)
+{
+ if(!_texture)
+ return NULL;
+ return identity_texture(_texture)->texture;
+}
+
+static INLINE struct pipe_surface *
+identity_surface_unwrap(struct pipe_surface *_surface)
+{
+ if(!_surface)
+ return NULL;
+ return identity_surface(_surface)->surface;
+}
+
+static INLINE struct pipe_transfer *
+identity_transfer_unwrap(struct pipe_transfer *_transfer)
+{
+ if(!_transfer)
+ return NULL;
+ return identity_transfer(_transfer)->transfer;
+}
+
+
+struct pipe_buffer *
+identity_buffer_create(struct identity_screen *id_screen,
+ struct pipe_buffer *buffer);
+
+void
+identity_buffer_destroy(struct identity_buffer *id_buffer);
+
+struct pipe_texture *
+identity_texture_create(struct identity_screen *id_screen,
+ struct pipe_texture *texture);
+
+void
+identity_texture_destroy(struct identity_texture *id_texture);
+
+struct pipe_surface *
+identity_surface_create(struct identity_texture *id_texture,
+ struct pipe_surface *surface);
+
+void
+identity_surface_destroy(struct identity_surface *id_surface);
+
+struct pipe_transfer *
+identity_transfer_create(struct identity_texture *id_texture,
+ struct pipe_transfer *transfer);
+
+void
+identity_transfer_destroy(struct identity_transfer *id_transfer);
+
+
+#endif /* ID_OBJECTS_H */
diff --git a/src/gallium/drivers/identity/id_public.h b/src/gallium/drivers/identity/id_public.h
new file mode 100644
index 00000000000..cac14cfd604
--- /dev/null
+++ b/src/gallium/drivers/identity/id_public.h
@@ -0,0 +1,40 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, 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 VMWARE AND/OR ITS 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.
+ *
+ **************************************************************************/
+
+#ifndef ID_PUBLIC_H
+#define ID_PUBLIC_H
+
+struct pipe_screen;
+struct pipe_context;
+
+struct pipe_screen *
+identity_screen_create(struct pipe_screen *screen);
+
+struct pipe_context *
+identity_context_create(struct pipe_screen *screen, struct pipe_context *pipe);
+
+#endif /* PT_PUBLIC_H */
diff --git a/src/gallium/drivers/identity/id_screen.c b/src/gallium/drivers/identity/id_screen.c
new file mode 100644
index 00000000000..259f1be36e7
--- /dev/null
+++ b/src/gallium/drivers/identity/id_screen.c
@@ -0,0 +1,481 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, 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 VMWARE AND/OR ITS 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.
+ *
+ **************************************************************************/
+
+
+#include "pipe/p_screen.h"
+#include "pipe/p_state.h"
+#include "util/u_memory.h"
+
+#include "id_public.h"
+#include "id_screen.h"
+#include "id_objects.h"
+
+
+static void
+identity_screen_destroy(struct pipe_screen *_screen)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+
+ screen->destroy(screen);
+
+ FREE(id_screen);
+}
+
+static const char *
+identity_screen_get_name(struct pipe_screen *_screen)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+
+ return screen->get_name(screen);
+}
+
+static const char *
+identity_screen_get_vendor(struct pipe_screen *_screen)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+
+ return screen->get_vendor(screen);
+}
+
+static int
+identity_screen_get_param(struct pipe_screen *_screen,
+ int param)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+
+ return screen->get_param(screen,
+ param);
+}
+
+static float
+identity_screen_get_paramf(struct pipe_screen *_screen,
+ int param)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+
+ return screen->get_paramf(screen,
+ param);
+}
+
+static boolean
+identity_screen_is_format_supported(struct pipe_screen *_screen,
+ enum pipe_format format,
+ enum pipe_texture_target target,
+ unsigned tex_usage,
+ unsigned geom_flags)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+
+ return screen->is_format_supported(screen,
+ format,
+ target,
+ tex_usage,
+ geom_flags);
+}
+
+static struct pipe_texture *
+identity_screen_texture_create(struct pipe_screen *_screen,
+ const struct pipe_texture *templat)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_texture *result;
+
+ result = screen->texture_create(screen,
+ templat);
+
+ if (result)
+ return identity_texture_create(id_screen, result);
+ return NULL;
+}
+
+static struct pipe_texture *
+identity_screen_texture_blanket(struct pipe_screen *_screen,
+ const struct pipe_texture *templat,
+ const unsigned *stride,
+ struct pipe_buffer *_buffer)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct identity_buffer *id_buffer = identity_buffer(_buffer);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_buffer *buffer = id_buffer->buffer;
+ struct pipe_texture *result;
+
+ result = screen->texture_blanket(screen,
+ templat,
+ stride,
+ buffer);
+
+ if (result)
+ return identity_texture_create(id_screen, result);
+ return NULL;
+}
+
+static void
+identity_screen_texture_destroy(struct pipe_texture *_texture)
+{
+ identity_texture_destroy(identity_texture(_texture));
+}
+
+static struct pipe_surface *
+identity_screen_get_tex_surface(struct pipe_screen *_screen,
+ struct pipe_texture *_texture,
+ unsigned face,
+ unsigned level,
+ unsigned zslice,
+ unsigned usage)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct identity_texture *id_texture = identity_texture(_texture);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_texture *texture = id_texture->texture;
+ struct pipe_surface *result;
+
+ result = screen->get_tex_surface(screen,
+ texture,
+ face,
+ level,
+ zslice,
+ usage);
+
+ if (result)
+ return identity_surface_create(id_texture, result);
+ return NULL;
+}
+
+static void
+identity_screen_tex_surface_destroy(struct pipe_surface *_surface)
+{
+ identity_surface_destroy(identity_surface(_surface));
+}
+
+static struct pipe_transfer *
+identity_screen_get_tex_transfer(struct pipe_screen *_screen,
+ struct pipe_texture *_texture,
+ unsigned face,
+ unsigned level,
+ unsigned zslice,
+ enum pipe_transfer_usage usage,
+ unsigned x,
+ unsigned y,
+ unsigned w,
+ unsigned h)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct identity_texture *id_texture = identity_texture(_texture);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_texture *texture = id_texture->texture;
+ struct pipe_transfer *result;
+
+ result = screen->get_tex_transfer(screen,
+ texture,
+ face,
+ level,
+ zslice,
+ usage,
+ x,
+ y,
+ w,
+ h);
+
+ if (result)
+ return identity_transfer_create(id_texture, result);
+ return NULL;
+}
+
+static void
+identity_screen_tex_transfer_destroy(struct pipe_transfer *_transfer)
+{
+ identity_transfer_destroy(identity_transfer(_transfer));
+}
+
+static void *
+identity_screen_transfer_map(struct pipe_screen *_screen,
+ struct pipe_transfer *_transfer)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct identity_transfer *id_transfer = identity_transfer(_transfer);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_transfer *transfer = id_transfer->transfer;
+
+ return screen->transfer_map(screen,
+ transfer);
+}
+
+static void
+identity_screen_transfer_unmap(struct pipe_screen *_screen,
+ struct pipe_transfer *_transfer)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct identity_transfer *id_transfer = identity_transfer(_transfer);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_transfer *transfer = id_transfer->transfer;
+
+ screen->transfer_unmap(screen,
+ transfer);
+}
+
+static struct pipe_buffer *
+identity_screen_buffer_create(struct pipe_screen *_screen,
+ unsigned alignment,
+ unsigned usage,
+ unsigned size)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_buffer *result;
+
+ result = screen->buffer_create(screen,
+ alignment,
+ usage,
+ size);
+
+ if (result)
+ return identity_buffer_create(id_screen, result);
+ return NULL;
+}
+
+static struct pipe_buffer *
+identity_screen_user_buffer_create(struct pipe_screen *_screen,
+ void *ptr,
+ unsigned bytes)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_buffer *result;
+
+ result = screen->user_buffer_create(screen,
+ ptr,
+ bytes);
+
+ if (result)
+ return identity_buffer_create(id_screen, result);
+ return NULL;
+}
+
+static struct pipe_buffer *
+identity_screen_surface_buffer_create(struct pipe_screen *_screen,
+ unsigned width,
+ unsigned height,
+ enum pipe_format format,
+ unsigned usage,
+ unsigned *stride)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_buffer *result;
+
+ result = screen->surface_buffer_create(screen,
+ width,
+ height,
+ format,
+ usage,
+ stride);
+
+ if (result)
+ return identity_buffer_create(id_screen, result);
+ return NULL;
+}
+
+static void *
+identity_screen_buffer_map(struct pipe_screen *_screen,
+ struct pipe_buffer *_buffer,
+ unsigned usage)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct identity_buffer *id_buffer = identity_buffer(_buffer);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_buffer *buffer = id_buffer->buffer;
+
+ return screen->buffer_map(screen,
+ buffer,
+ usage);
+}
+
+static void *
+identity_screen_buffer_map_range(struct pipe_screen *_screen,
+ struct pipe_buffer *_buffer,
+ unsigned offset,
+ unsigned length,
+ unsigned usage)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct identity_buffer *id_buffer = identity_buffer(_buffer);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_buffer *buffer = id_buffer->buffer;
+
+ return screen->buffer_map_range(screen,
+ buffer,
+ offset,
+ length,
+ usage);
+}
+
+static void
+identity_screen_buffer_flush_mapped_range(struct pipe_screen *_screen,
+ struct pipe_buffer *_buffer,
+ unsigned offset,
+ unsigned length)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct identity_buffer *id_buffer = identity_buffer(_buffer);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_buffer *buffer = id_buffer->buffer;
+
+ screen->buffer_flush_mapped_range(screen,
+ buffer,
+ offset,
+ length);
+}
+
+static void
+identity_screen_buffer_unmap(struct pipe_screen *_screen,
+ struct pipe_buffer *_buffer)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct identity_buffer *id_buffer = identity_buffer(_buffer);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_buffer *buffer = id_buffer->buffer;
+
+ screen->buffer_unmap(screen,
+ buffer);
+}
+
+static void
+identity_screen_buffer_destroy(struct pipe_buffer *_buffer)
+{
+ identity_buffer_destroy(identity_buffer(_buffer));
+}
+
+static void
+identity_screen_flush_frontbuffer(struct pipe_screen *_screen,
+ struct pipe_surface *_surface,
+ void *context_private)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct identity_surface *id_surface = identity_surface(_surface);
+ struct pipe_screen *screen = id_screen->screen;
+ struct pipe_surface *surface = id_surface->surface;
+
+ screen->flush_frontbuffer(screen,
+ surface,
+ context_private);
+}
+
+static void
+identity_screen_fence_reference(struct pipe_screen *_screen,
+ struct pipe_fence_handle **ptr,
+ struct pipe_fence_handle *fence)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+
+ screen->fence_reference(screen,
+ ptr,
+ fence);
+}
+
+static int
+identity_screen_fence_signalled(struct pipe_screen *_screen,
+ struct pipe_fence_handle *fence,
+ unsigned flags)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+
+ return screen->fence_signalled(screen,
+ fence,
+ flags);
+}
+
+static int
+identity_screen_fence_finish(struct pipe_screen *_screen,
+ struct pipe_fence_handle *fence,
+ unsigned flags)
+{
+ struct identity_screen *id_screen = identity_screen(_screen);
+ struct pipe_screen *screen = id_screen->screen;
+
+ return screen->fence_finish(screen,
+ fence,
+ flags);
+}
+
+struct pipe_screen *
+identity_screen_create(struct pipe_screen *screen)
+{
+ struct identity_screen *id_screen;
+
+ id_screen = CALLOC_STRUCT(identity_screen);
+ if (!id_screen) {
+ return NULL;
+ }
+
+ id_screen->base.winsys = NULL;
+
+ id_screen->base.destroy = identity_screen_destroy;
+ id_screen->base.get_name = identity_screen_get_name;
+ id_screen->base.get_vendor = identity_screen_get_vendor;
+ id_screen->base.get_param = identity_screen_get_param;
+ id_screen->base.get_paramf = identity_screen_get_paramf;
+ id_screen->base.is_format_supported = identity_screen_is_format_supported;
+ id_screen->base.texture_create = identity_screen_texture_create;
+ id_screen->base.texture_blanket = identity_screen_texture_blanket;
+ id_screen->base.texture_destroy = identity_screen_texture_destroy;
+ id_screen->base.get_tex_surface = identity_screen_get_tex_surface;
+ id_screen->base.tex_surface_destroy = identity_screen_tex_surface_destroy;
+ id_screen->base.get_tex_transfer = identity_screen_get_tex_transfer;
+ id_screen->base.tex_transfer_destroy = identity_screen_tex_transfer_destroy;
+ id_screen->base.transfer_map = identity_screen_transfer_map;
+ id_screen->base.transfer_unmap = identity_screen_transfer_unmap;
+ id_screen->base.buffer_create = identity_screen_buffer_create;
+ id_screen->base.user_buffer_create = identity_screen_user_buffer_create;
+ id_screen->base.surface_buffer_create = identity_screen_surface_buffer_create;
+ if (screen->buffer_map)
+ id_screen->base.buffer_map = identity_screen_buffer_map;
+ if (screen->buffer_map_range)
+ id_screen->base.buffer_map_range = identity_screen_buffer_map_range;
+ if (screen->buffer_flush_mapped_range)
+ id_screen->base.buffer_flush_mapped_range = identity_screen_buffer_flush_mapped_range;
+ if (screen->buffer_unmap)
+ id_screen->base.buffer_unmap = identity_screen_buffer_unmap;
+ id_screen->base.buffer_destroy = identity_screen_buffer_destroy;
+ id_screen->base.flush_frontbuffer = identity_screen_flush_frontbuffer;
+ id_screen->base.fence_reference = identity_screen_fence_reference;
+ id_screen->base.fence_signalled = identity_screen_fence_signalled;
+ id_screen->base.fence_finish = identity_screen_fence_finish;
+
+ id_screen->screen = screen;
+
+ return &id_screen->base;
+}
diff --git a/src/gallium/drivers/identity/id_screen.h b/src/gallium/drivers/identity/id_screen.h
new file mode 100644
index 00000000000..2c4f1290894
--- /dev/null
+++ b/src/gallium/drivers/identity/id_screen.h
@@ -0,0 +1,48 @@
+/**************************************************************************
+ *
+ * Copyright 2009 VMware, Inc.
+ * All Rights Reserved.
+ *
+ * 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, 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 VMWARE AND/OR ITS 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.
+ *
+ **************************************************************************/
+
+#ifndef ID_SCREEN_H
+#define ID_SCREEN_H
+
+#include "pipe/p_screen.h"
+#include "pipe/p_defines.h"
+
+
+struct identity_screen {
+ struct pipe_screen base;
+
+ struct pipe_screen *screen;
+};
+
+
+static INLINE struct identity_screen *
+identity_screen(struct pipe_screen *screen)
+{
+ return (struct identity_screen *)screen;
+}
+
+#endif /* ID_SCREEN_H */
generated by cgit v1.2.3 (git 2.39.1) at 2024-04-25 13:09:28 +0000