summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/cell/common.h
diff options
context:
space:
mode:
authorBen Skeggs <[email protected]>2008-02-16 16:30:22 +1100
committerBen Skeggs <[email protected]>2008-02-16 16:30:22 +1100
commit87e3301533aa4d3e6e98db139887ebba3d217f7d (patch)
treead80803f8f90263ea4c9adf9b3e7dd8eae4b05fa /src/gallium/drivers/cell/common.h
parent49405c43f245d3b3ddd12e891413bf7ead23145c (diff)
parent3320b1874e810583f95b93a89697b2955987b84f (diff)
Merge branch 'upstream-gallium-0.1' into nouveau-gallium-0.1
Conflicts: configs/linux-dri src/mesa/pipe/Makefile
Diffstat (limited to 'src/gallium/drivers/cell/common.h')
-rw-r--r--src/gallium/drivers/cell/common.h227
1 files changed, 227 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/common.h b/src/gallium/drivers/cell/common.h
new file mode 100644
index 00000000000..74b131fbefc
--- /dev/null
+++ b/src/gallium/drivers/cell/common.h
@@ -0,0 +1,227 @@
+/**************************************************************************
+ *
+ * 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.
+ *
+ **************************************************************************/
+
+/**
+ * Types and tokens which are common to the SPU and PPU code.
+ */
+
+
+#ifndef CELL_COMMON_H
+#define CELL_COMMON_H
+
+#include "pipe/p_compiler.h"
+#include "pipe/p_util.h"
+#include "pipe/p_format.h"
+
+
+/** The standard assert macro doesn't seem to work reliably */
+#define ASSERT(x) \
+ if (!(x)) { \
+ ubyte *p = NULL; \
+ fprintf(stderr, "%s:%d: %s(): assertion %s failed.\n", \
+ __FILE__, __LINE__, __FUNCTION__, #x); \
+ *p = 0; \
+ exit(1); \
+ }
+
+
+/** for sanity checking */
+#define ASSERT_ALIGN16(ptr) \
+ ASSERT((((unsigned long) (ptr)) & 0xf) == 0);
+
+
+/** round up value to next multiple of 4 */
+#define ROUNDUP4(k) (((k) + 0x3) & ~0x3)
+
+/** round up value to next multiple of 8 */
+#define ROUNDUP8(k) (((k) + 0x7) & ~0x7)
+
+/** round up value to next multiple of 16 */
+#define ROUNDUP16(k) (((k) + 0xf) & ~0xf)
+
+
+#define CELL_MAX_SPUS 6
+
+#define TILE_SIZE 32
+
+
+/**
+ * The low byte of a mailbox word contains the command opcode.
+ * Remaining higher bytes are command specific.
+ */
+#define CELL_CMD_OPCODE_MASK 0xff
+
+#define CELL_CMD_EXIT 1
+#define CELL_CMD_CLEAR_SURFACE 2
+#define CELL_CMD_FINISH 3
+#define CELL_CMD_RENDER 4
+#define CELL_CMD_BATCH 5
+#define CELL_CMD_RELEASE_VERTS 6
+#define CELL_CMD_STATE_FRAMEBUFFER 10
+#define CELL_CMD_STATE_DEPTH_STENCIL 11
+#define CELL_CMD_STATE_SAMPLER 12
+#define CELL_CMD_STATE_TEXTURE 13
+#define CELL_CMD_STATE_VERTEX_INFO 14
+#define CELL_CMD_STATE_VIEWPORT 15
+#define CELL_CMD_STATE_VS_ARRAY_INFO 16
+#define CELL_CMD_STATE_BLEND 17
+#define CELL_CMD_VS_EXECUTE 18
+#define CELL_CMD_STATE_ATTRIB_FETCH 19
+
+
+#define CELL_NUM_BUFFERS 4
+#define CELL_BUFFER_SIZE (4*1024) /**< 16KB would be the max */
+
+#define CELL_BUFFER_STATUS_FREE 10
+#define CELL_BUFFER_STATUS_USED 20
+
+
+
+/**
+ * Tell SPUs about the framebuffer size, location
+ */
+struct cell_command_framebuffer
+{
+ uint64_t opcode; /**< CELL_CMD_FRAMEBUFFER */
+ int width, height;
+ void *color_start, *depth_start;
+ enum pipe_format color_format, depth_format;
+};
+
+
+/**
+ * Clear framebuffer to the given value/color.
+ */
+struct cell_command_clear_surface
+{
+ uint64_t opcode; /**< CELL_CMD_CLEAR_SURFACE */
+ uint surface; /**< Temporary: 0=color, 1=Z */
+ uint value;
+};
+
+
+/**
+ * Array info used by the vertex shader's vertex puller.
+ */
+struct cell_array_info
+{
+ uint64_t base; /**< Base address of the 0th element. */
+ uint attr; /**< Attribute that this state is for. */
+ uint pitch; /**< Byte pitch from one entry to the next. */
+ uint size;
+ uint function_offset;
+} ALIGN16_ATTRIB;
+
+
+struct cell_attribute_fetch_code {
+ uint64_t base;
+ uint size;
+};
+
+struct cell_shader_info
+{
+ unsigned num_outputs;
+
+ uint64_t declarations;
+ unsigned num_declarations;
+ uint64_t instructions;
+ unsigned num_instructions;
+ uint64_t uniforms;
+ uint64_t immediates;
+ unsigned num_immediates;
+} ALIGN16_ATTRIB;
+
+
+#define SPU_VERTS_PER_BATCH 64
+struct cell_command_vs
+{
+ uint64_t opcode; /**< CELL_CMD_VS_EXECUTE */
+ struct cell_shader_info shader;
+ unsigned num_elts;
+ unsigned elts[SPU_VERTS_PER_BATCH];
+ uint64_t vOut[SPU_VERTS_PER_BATCH];
+ float plane[12][4];
+ unsigned nr_planes;
+ unsigned nr_attrs;
+} ALIGN16_ATTRIB;
+
+
+struct cell_command_render
+{
+ uint64_t opcode; /**< CELL_CMD_RENDER */
+ uint prim_type; /**< PIPE_PRIM_x */
+ uint num_verts;
+ uint vertex_size; /**< bytes per vertex */
+ uint num_indexes;
+ uint vertex_buf; /**< which cell->buffer[] contains the vertex data */
+ float xmin, ymin, xmax, ymax; /* XXX another dummy field */
+ uint min_index;
+ boolean inline_verts;
+};
+
+
+struct cell_command_release_verts
+{
+ uint64_t opcode; /**< CELL_CMD_RELEASE_VERTS */
+ uint vertex_buf; /**< in [0, CELL_NUM_BUFFERS-1] */
+};
+
+
+struct cell_command_texture
+{
+ void *start; /**< Address in main memory */
+ uint width, height;
+};
+
+
+/** XXX unions don't seem to work */
+/* XXX this should go away; all commands should be placed in batch buffers */
+struct cell_command
+{
+#if 0
+ struct cell_command_framebuffer fb;
+ struct cell_command_clear_surface clear;
+ struct cell_command_render render;
+#endif
+ struct cell_command_vs vs;
+} ALIGN16_ATTRIB;
+
+
+/** This is the object passed to spe_create_thread() */
+struct cell_init_info
+{
+ unsigned id;
+ unsigned num_spus;
+ struct cell_command *cmd;
+
+ /** Buffers for command batches, vertex/index data */
+ ubyte *buffers[CELL_NUM_BUFFERS];
+ uint *buffer_status; /**< points at cell_context->buffer_status */
+} ALIGN16_ATTRIB;
+
+
+#endif /* CELL_COMMON_H */