BRW_STATE_NR_VS_SURFACES,
BRW_STATE_INDEX_BUFFER,
BRW_STATE_VS_CONSTBUF,
- BRW_STATE_WM_CONSTBUF,
BRW_STATE_PROGRAM_CACHE,
BRW_STATE_STATE_BASE_ADDRESS,
};
*/
#define BRW_NEW_BATCH (1 << BRW_STATE_BATCH)
/** \see brw.state.depth_region */
-#define BRW_NEW_NR_WM_SURFACES (1 << BRW_STATE_NR_WM_SURFACES)
-#define BRW_NEW_NR_VS_SURFACES (1 << BRW_STATE_NR_VS_SURFACES)
#define BRW_NEW_INDEX_BUFFER (1 << BRW_STATE_INDEX_BUFFER)
#define BRW_NEW_VS_CONSTBUF (1 << BRW_STATE_VS_CONSTBUF)
-#define BRW_NEW_WM_CONSTBUF (1 << BRW_STATE_WM_CONSTBUF)
#define BRW_NEW_PROGRAM_CACHE (1 << BRW_STATE_PROGRAM_CACHE)
#define BRW_NEW_STATE_BASE_ADDRESS (1 << BRW_STATE_STATE_BASE_ADDRESS)
struct brw_vertex_program {
struct gl_vertex_program program;
GLuint id;
- GLboolean use_const_buffer;
+ bool use_const_buffer;
};
struct brw_fragment_program {
struct gl_fragment_program program;
GLuint id; /**< serial no. to identify frag progs, never re-used */
-
- /** for debugging, which texture units are referenced */
- GLbitfield tex_units_used;
};
struct brw_shader {
GLuint nr_params; /**< number of float params/constants */
GLuint nr_pull_params;
- GLboolean error;
+ bool error;
int dispatch_width;
uint32_t prog_offset_16;
enum param_conversion pull_param_convert[MAX_UNIFORMS * 4];
};
+/**
+ * Enum representing the i965-specific vertex results that don't correspond
+ * exactly to any element of gl_vert_result. The values of this enum are
+ * assigned such that they don't conflict with gl_vert_result.
+ */
+typedef enum
+{
+ BRW_VERT_RESULT_NDC = VERT_RESULT_MAX,
+ BRW_VERT_RESULT_HPOS_DUPLICATE,
+ BRW_VERT_RESULT_PAD,
+ BRW_VERT_RESULT_MAX
+} brw_vert_result;
+
+
+/**
+ * Data structure recording the relationship between the gl_vert_result enum
+ * and "slots" within the vertex URB entry (VUE). A "slot" is defined as a
+ * single octaword within the VUE (128 bits).
+ *
+ * Note that each BRW register contains 256 bits (2 octawords), so when
+ * accessing the VUE in URB_NOSWIZZLE mode, each register corresponds to two
+ * consecutive VUE slots. When accessing the VUE in URB_INTERLEAVED mode (as
+ * in a vertex shader), each register corresponds to a single VUE slot, since
+ * it contains data for two separate vertices.
+ */
+struct brw_vue_map {
+ /**
+ * Map from gl_vert_result value to VUE slot. For gl_vert_results that are
+ * not stored in a slot (because they are not written, or because
+ * additional processing is applied before storing them in the VUE), the
+ * value is -1.
+ */
+ int vert_result_to_slot[BRW_VERT_RESULT_MAX];
+
+ /**
+ * Map from VUE slot to gl_vert_result value. For slots that do not
+ * directly correspond to a gl_vert_result, the value comes from
+ * brw_vert_result.
+ *
+ * For slots that are not in use, the value is BRW_VERT_RESULT_MAX (this
+ * simplifies code that uses the value stored in slot_to_vert_result to
+ * create a bit mask).
+ */
+ int slot_to_vert_result[BRW_VERT_RESULT_MAX];
+
+ /**
+ * Total number of VUE slots in use
+ */
+ int num_slots;
+};
+
+/**
+ * Convert a VUE slot number into a byte offset within the VUE.
+ */
+static inline GLuint brw_vue_slot_to_offset(GLuint slot)
+{
+ return 16*slot;
+}
+
+/**
+ * Convert a vert_result into a byte offset within the VUE.
+ */
+static inline GLuint brw_vert_result_to_offset(struct brw_vue_map *vue_map,
+ GLuint vert_result)
+{
+ return brw_vue_slot_to_offset(vue_map->vert_result_to_slot[vert_result]);
+}
+
+
struct brw_sf_prog_data {
GLuint urb_read_length;
GLuint total_grf;
GLuint total_grf;
GLbitfield64 outputs_written;
GLuint nr_params; /**< number of float params/constants */
+ GLuint nr_pull_params; /**< number of dwords referenced by pull_param[] */
+ GLuint total_scratch;
GLuint inputs_read;
GLuint urb_entry_size;
const float *param[MAX_UNIFORMS * 4]; /* should be: BRW_MAX_CURBE */
- enum param_conversion param_convert[MAX_UNIFORMS * 4];
const float *pull_param[MAX_UNIFORMS * 4];
- enum param_conversion pull_param_convert[MAX_UNIFORMS * 4];
bool uses_new_param_layout;
+ bool uses_vertexid;
};
#define BRW_MAX_DRAW_BUFFERS 8
/**
- * Size of our surface binding table for the WM.
- * This contains pointers to the drawing surfaces and current texture
- * objects and shader constant buffers (+2).
- */
-#define BRW_WM_MAX_SURF (BRW_MAX_DRAW_BUFFERS + BRW_MAX_TEX_UNIT + 1)
-
-/**
- * Helpers to convert drawing buffers, textures and constant buffers
- * to surface binding table indexes, for WM.
+ * Helpers to create Surface Binding Table indexes for draw buffers,
+ * textures, and constant buffers.
+ *
+ * Shader threads access surfaces via numeric handles, rather than directly
+ * using pointers. The binding table maps these numeric handles to the
+ * address of the actual buffer.
+ *
+ * For example, a shader might ask to sample from "surface 7." In this case,
+ * bind[7] would contain a pointer to a texture.
+ *
+ * Although the hardware supports separate binding tables per pipeline stage
+ * (VS, HS, DS, GS, PS), we currently share a single binding table for all of
+ * them. This is purely for convenience.
+ *
+ * Currently our binding tables are (arbitrarily) programmed as follows:
+ *
+ * +-------------------------------+
+ * | 0 | Draw buffer 0 | .
+ * | . | . | \
+ * | : | : | > Only relevant to the WM.
+ * | 7 | Draw buffer 7 | /
+ * |-----|-------------------------| `
+ * | 8 | VS Pull Constant Buffer |
+ * | 9 | WM Pull Constant Buffer |
+ * |-----|-------------------------|
+ * | 10 | Texture 0 |
+ * | . | . |
+ * | : | : |
+ * | 25 | Texture 15 |
+ * +-------------------------------+
+ *
+ * Note that nothing actually uses the SURF_INDEX_DRAW macro, so it has to be
+ * the identity function or things will break. We do want to keep draw buffers
+ * first so we can use headerless render target writes for RT 0.
*/
#define SURF_INDEX_DRAW(d) (d)
-#define SURF_INDEX_FRAG_CONST_BUFFER (BRW_MAX_DRAW_BUFFERS)
-#define SURF_INDEX_TEXTURE(t) (BRW_MAX_DRAW_BUFFERS + 1 + (t))
-
-/**
- * Size of surface binding table for the VS.
- * Only one constant buffer for now.
- */
-#define BRW_VS_MAX_SURF 1
-
-/**
- * Only a VS constant buffer
- */
-#define SURF_INDEX_VERT_CONST_BUFFER 0
+#define SURF_INDEX_VERT_CONST_BUFFER (BRW_MAX_DRAW_BUFFERS + 0)
+#define SURF_INDEX_FRAG_CONST_BUFFER (BRW_MAX_DRAW_BUFFERS + 1)
+#define SURF_INDEX_TEXTURE(t) (BRW_MAX_DRAW_BUFFERS + 2 + (t))
+/** Maximum size of the binding table. */
+#define BRW_MAX_SURFACES (BRW_MAX_DRAW_BUFFERS + BRW_MAX_TEX_UNIT + 2)
enum brw_cache_id {
BRW_BLEND_STATE,
*/
struct brw_tracked_state {
struct brw_state_flags dirty;
- void (*prepare)( struct brw_context *brw );
void (*emit)( struct brw_context *brw );
};
struct brw_context
{
struct intel_context intel; /**< base class, must be first field */
- GLuint primitive;
+ GLuint primitive; /**< Hardware primitive, such as _3DPRIM_TRILIST. */
- GLboolean emit_state_always;
- GLboolean has_surface_tile_offset;
- GLboolean has_compr4;
- GLboolean has_negative_rhw_bug;
- GLboolean has_aa_line_parameters;
- GLboolean has_pln;
+ bool emit_state_always;
+ bool has_surface_tile_offset;
+ bool has_compr4;
+ bool has_negative_rhw_bug;
+ bool has_aa_line_parameters;
+ bool has_pln;
+ bool new_vs_backend;
struct {
struct brw_state_flags dirty;
- /**
- * List of buffers accumulated in brw_validate_state to receive
- * drm_intel_bo_check_aperture treatment before exec, so we can
- * know if we should flush the batch and try again before
- * emitting primitives.
- *
- * This can be a fixed number as we only have a limited number of
- * objects referenced from the batchbuffer in a primitive emit,
- * consisting of the vertex buffers, pipelined state pointers,
- * the CURBE, the depth buffer, and a query BO.
- */
- drm_intel_bo *validated_bos[VERT_ATTRIB_MAX + BRW_WM_MAX_SURF + 16];
- unsigned int validated_bo_count;
} state;
struct brw_cache cache;
uint32_t CMD_VF_STATISTICS;
/* hw-dependent 3DSTATE_PIPELINE_SELECT opcode */
uint32_t CMD_PIPELINE_SELECT;
- int vs_max_threads;
- int wm_max_threads;
+
+ /**
+ * Platform specific constants containing the maximum number of threads
+ * for each pipeline stage.
+ */
+ int max_vs_threads;
+ int max_gs_threads;
+ int max_wm_threads;
/* BRW_NEW_URB_ALLOCATIONS:
*/
GLuint csize; /* constant buffer size in urb registers */
GLuint sfsize; /* setup data size in urb registers */
- GLboolean constrained;
+ bool constrained;
GLuint max_vs_entries; /* Maximum number of VS entries */
GLuint max_gs_entries; /* Maximum number of GS entries */
GLuint last_bufsz;
} curbe;
+ struct {
+ /** Binding table of pointers to surf_bo entries */
+ uint32_t bo_offset;
+ uint32_t surf_offset[BRW_MAX_SURFACES];
+ } bind;
+
+ /** SAMPLER_STATE count and offset */
+ struct {
+ GLuint count;
+ uint32_t offset;
+ } sampler;
+
struct {
struct brw_vs_prog_data *prog_data;
int8_t *constant_map; /* variable array following prog_data */
+ drm_intel_bo *scratch_bo;
drm_intel_bo *const_bo;
/** Offset in the program cache to the VS program */
uint32_t prog_offset;
uint32_t state_offset;
- /** Binding table of pointers to surf_bo entries */
- uint32_t bind_bo_offset;
- uint32_t surf_offset[BRW_VS_MAX_SURF];
- GLuint nr_surfaces;
-
uint32_t push_const_offset; /* Offset in the batchbuffer */
int push_const_size; /* in 256-bit register increments */
+
+ /** @{ register allocator */
+
+ struct ra_regs *regs;
+
+ /**
+ * Array of the ra classes for the unaligned contiguous register
+ * block sizes used.
+ */
+ int *classes;
+
+ /**
+ * Mapping for register-allocated objects in *regs to the first
+ * GRF for that object.
+ */
+ uint8_t *ra_reg_to_grf;
+ /** @} */
} vs;
struct {
struct brw_gs_prog_data *prog_data;
- GLboolean prog_active;
+ bool prog_active;
/** Offset in the program cache to the CLIP program pre-gen6 */
uint32_t prog_offset;
uint32_t state_offset;
uint32_t sdc_offset[BRW_MAX_TEX_UNIT];
GLuint render_surf;
- GLuint nr_surfaces;
- GLuint max_threads;
drm_intel_bo *scratch_bo;
- GLuint sampler_count;
- uint32_t sampler_offset;
-
/** Offset in the program cache to the WM program */
uint32_t prog_offset;
- /** Binding table of pointers to surf_bo entries */
- uint32_t bind_bo_offset;
- uint32_t surf_offset[BRW_WM_MAX_SURF];
uint32_t state_offset; /* offset in batchbuffer to pre-gen6 WM state */
drm_intel_bo *const_bo; /* pull constant buffer. */
struct brw_query_object *obj;
drm_intel_bo *bo;
int index;
- GLboolean active;
+ bool active;
} query;
/* Used to give every program string a unique id
*/
GLuint program_id;
- int num_prepare_atoms, num_emit_atoms;
- struct brw_tracked_state prepare_atoms[64], emit_atoms[64];
+ int num_atoms;
+ const struct brw_tracked_state **atoms;
/* If (INTEL_DEBUG & DEBUG_BATCH) */
struct {
enum state_struct_type type;
} *state_batch_list;
int state_batch_count;
+
+ /**
+ * \brief State needed to execute HiZ meta-ops
+ *
+ * All fields except \c op are initialized by gen6_hiz_init().
+ */
+ struct brw_hiz_state {
+ /**
+ * \brief Indicates which HiZ operation is in progress.
+ *
+ * See the following sections of the Sandy Bridge PRM, Volume 1, Part2:
+ * - 7.5.3.1 Depth Buffer Clear
+ * - 7.5.3.2 Depth Buffer Resolve
+ * - 7.5.3.3 Hierarchical Depth Buffer Resolve
+ */
+ enum brw_hiz_op {
+ BRW_HIZ_OP_NONE = 0,
+ BRW_HIZ_OP_DEPTH_CLEAR,
+ BRW_HIZ_OP_DEPTH_RESOLVE,
+ BRW_HIZ_OP_HIZ_RESOLVE,
+ } op;
+
+ /** \brief Shader state */
+ struct {
+ GLuint program;
+ GLuint position_vbo;
+ GLint position_location;
+ } shader;
+
+ /** \brief VAO for the rectangle primitive's vertices. */
+ GLuint vao;
+
+ GLuint fbo;
+ struct gl_renderbuffer *depth_rb;
+ } hiz;
};
+
#define BRW_PACKCOLOR8888(r,g,b,a) ((r<<24) | (g<<16) | (b<<8) | a)
struct brw_instruction_info {
char *name;
int nsrc;
int ndst;
- GLboolean is_arith;
+ bool is_arith;
};
extern const struct brw_instruction_info brw_opcodes[128];
/*======================================================================
* brw_context.c
*/
-GLboolean brwCreateContext( int api,
- const struct gl_config *mesaVis,
- __DRIcontext *driContextPriv,
- void *sharedContextPrivate);
+bool brwCreateContext(int api,
+ const struct gl_config *mesaVis,
+ __DRIcontext *driContextPriv,
+ void *sharedContextPrivate);
/*======================================================================
* brw_queryobj.c
*/
void brwInitFragProgFuncs( struct dd_function_table *functions );
+int brw_get_scratch_size(int size);
+void brw_get_scratch_bo(struct intel_context *intel,
+ drm_intel_bo **scratch_bo, int size);
+
/* brw_urb.c
*/
/* brw_disasm.c */
int brw_disasm (FILE *file, struct brw_instruction *inst, int gen);
+/* brw_vs.c */
+void brw_compute_vue_map(struct brw_vue_map *vue_map,
+ const struct intel_context *intel,
+ bool userclip_active,
+ GLbitfield64 outputs_written);
+gl_clip_plane *brw_select_clip_planes(struct gl_context *ctx);
+
+/* brw_wm.c */
+unsigned
+brw_compute_barycentric_interp_modes(bool shade_model_flat,
+ const struct gl_fragment_program *fprog);
+
+/* gen6_clip_state.c */
+bool
+brw_fprog_uses_noperspective(const struct gl_fragment_program *fprog);
+
+
+
/*======================================================================
* Inline conversion functions. These are better-typed than the
* macros used previously:
return brw->cache.bo->offset + prog_offset;
}
-GLboolean brw_do_cubemap_normalize(struct exec_list *instructions);
+bool brw_do_cubemap_normalize(struct exec_list *instructions);
#endif
projects / mesa.git / blobdiff