summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/cell/ppu/cell_context.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_context.h')
-rw-r--r--src/gallium/drivers/cell/ppu/cell_context.h202
1 files changed, 202 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_context.h b/src/gallium/drivers/cell/ppu/cell_context.h
new file mode 100644
index 0000000000..5c3188e7f9
--- /dev/null
+++ b/src/gallium/drivers/cell/ppu/cell_context.h
@@ -0,0 +1,202 @@
+/**************************************************************************
+ *
+ * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * 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 TUNGSTEN GRAPHICS 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 CELL_CONTEXT_H
+#define CELL_CONTEXT_H
+
+
+#include "pipe/p_context.h"
+#include "pipe/p_defines.h"
+#include "draw/draw_vertex.h"
+#include "draw/draw_vbuf.h"
+#include "cell_winsys.h"
+#include "cell/common.h"
+#include "rtasm/rtasm_ppc_spe.h"
+#include "tgsi/tgsi_scan.h"
+#include "util/u_keymap.h"
+
+
+struct cell_vbuf_render;
+
+
+/**
+ * Cell vertex shader state, subclass of pipe_shader_state.
+ */
+struct cell_vertex_shader_state
+{
+ struct pipe_shader_state shader;
+ struct tgsi_shader_info info;
+ void *draw_data;
+};
+
+
+/**
+ * Cell fragment shader state, subclass of pipe_shader_state.
+ */
+struct cell_fragment_shader_state
+{
+ struct pipe_shader_state shader;
+ struct tgsi_shader_info info;
+ struct spe_function code;
+ void *data;
+};
+
+
+/**
+ * Key for mapping per-fragment state to cached SPU machine code.
+ * keymap(cell_fragment_ops_key) => cell_command_fragment_ops
+ */
+struct cell_fragment_ops_key
+{
+ struct pipe_blend_state blend;
+ struct pipe_blend_color blend_color;
+ struct pipe_depth_stencil_alpha_state dsa;
+ enum pipe_format color_format;
+ enum pipe_format zs_format;
+};
+
+
+struct cell_buffer_node;
+
+/**
+ * Fenced buffer list. List of buffers which can be unreferenced after
+ * the fence has been executed/signalled.
+ */
+struct cell_buffer_list
+{
+ struct cell_fence fence ALIGN16_ATTRIB;
+ struct cell_buffer_node *head;
+};
+
+
+/**
+ * Per-context state, subclass of pipe_context.
+ */
+struct cell_context
+{
+ struct pipe_context pipe;
+
+ struct cell_winsys *winsys;
+
+ const struct pipe_blend_state *blend;
+ const struct pipe_sampler_state *sampler[PIPE_MAX_SAMPLERS];
+ uint num_samplers;
+ const struct pipe_depth_stencil_alpha_state *depth_stencil;
+ const struct pipe_rasterizer_state *rasterizer;
+ const struct cell_vertex_shader_state *vs;
+ const struct cell_fragment_shader_state *fs;
+
+ struct spe_function logic_op;
+
+ struct pipe_blend_color blend_color;
+ struct pipe_clip_state clip;
+ struct pipe_constant_buffer constants[2];
+ struct pipe_framebuffer_state framebuffer;
+ struct pipe_poly_stipple poly_stipple;
+ struct pipe_scissor_state scissor;
+ struct cell_texture *texture[PIPE_MAX_SAMPLERS];
+ uint num_textures;
+ struct pipe_viewport_state viewport;
+ struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
+ uint num_vertex_buffers;
+ struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS];
+ uint num_vertex_elements;
+
+ ubyte *cbuf_map[PIPE_MAX_COLOR_BUFS];
+ ubyte *zsbuf_map;
+
+ uint dirty;
+ uint dirty_textures; /* bitmask of texture units */
+ uint dirty_samplers; /* bitmask of sampler units */
+
+ /** Cache of code generated for per-fragment ops */
+ struct keymap *fragment_ops_cache;
+
+ /** The primitive drawing context */
+ struct draw_context *draw;
+ struct draw_stage *render_stage;
+
+ /** For post-transformed vertex buffering: */
+ struct cell_vbuf_render *vbuf_render;
+ struct draw_stage *vbuf;
+
+ struct vertex_info vertex_info;
+
+ /** Mapped constant buffers */
+ void *mapped_constants[PIPE_SHADER_TYPES];
+
+ struct cell_spu_function_info spu_functions ALIGN16_ATTRIB;
+
+ uint num_cells, num_spus;
+
+ /** Buffers for command batches, vertex/index data */
+ uint buffer_size[CELL_NUM_BUFFERS];
+ ubyte buffer[CELL_NUM_BUFFERS][CELL_BUFFER_SIZE] ALIGN16_ATTRIB;
+
+ int cur_batch; /**< which buffer is being filled w/ commands */
+
+ /** [4] to ensure 16-byte alignment for each status word */
+ uint buffer_status[CELL_MAX_SPUS][CELL_NUM_BUFFERS][4] ALIGN16_ATTRIB;
+
+
+ /** Associated with each command/batch buffer is a list of pipe_buffers
+ * that are fenced. When the last command in a buffer is executed, the
+ * fence will be signalled, indicating that any pipe_buffers preceeding
+ * that fence can be unreferenced (and probably freed).
+ */
+ struct cell_buffer_list fenced_buffers[CELL_NUM_BUFFERS];
+
+
+ struct spe_function attrib_fetch;
+ unsigned attrib_fetch_offsets[PIPE_MAX_ATTRIBS];
+
+ unsigned debug_flags;
+};
+
+
+
+
+static INLINE struct cell_context *
+cell_context(struct pipe_context *pipe)
+{
+ return (struct cell_context *) pipe;
+}
+
+
+extern struct pipe_context *
+cell_create_context(struct pipe_screen *screen, struct cell_winsys *cws);
+
+extern void
+cell_vertex_shader_queue_flush(struct draw_context *draw);
+
+
+/* XXX find a better home for this */
+extern void cell_update_vertex_fetch(struct draw_context *draw);
+
+
+#endif /* CELL_CONTEXT_H */