/** Sum of frustum planes and user-defined planes */
#define DRAW_TOTAL_CLIP_PLANES (6 + PIPE_MAX_CLIP_PLANES)
+/**
+ * The largest possible index of a vertex that can be fetched.
+ */
+#define DRAW_MAX_FETCH_IDX 0xffffffff
struct pipe_context;
struct draw_vertex_shader;
struct tgsi_exec_machine;
struct tgsi_sampler;
struct draw_pt_front_end;
+struct draw_assembler;
+/**
+ * Represents the mapped vertex buffer.
+ */
+struct draw_vertex_buffer {
+ const void *map;
+ uint32_t size;
+};
+
/**
* Basic vertex info.
* Carry some useful information around with the vertices in the prim pipe.
/* Current active frontend */
struct draw_pt_front_end *frontend;
unsigned prim;
- unsigned opt;
+ unsigned opt; /**< bitmask of PT_x flags */
unsigned eltSize; /* saved eltSize for flushing */
+ boolean rebind_parameters;
+
struct {
struct draw_pt_middle_end *fetch_emit;
struct draw_pt_middle_end *fetch_shade_emit;
/** vertex element/index buffer (ex: glDrawElements) */
const void *elts;
/** bytes per index (0, 1, 2 or 4) */
+ unsigned eltSizeIB;
unsigned eltSize;
- int eltBias;
+ unsigned eltMax;
+ int eltBias;
unsigned min_index;
unsigned max_index;
/** vertex arrays */
- const void *vbuffer[PIPE_MAX_ATTRIBS];
+ struct draw_vertex_buffer vbuffer[PIPE_MAX_ATTRIBS];
/** constant buffers (for vertex/geometry shader) */
const void *vs_constants[PIPE_MAX_CONSTANT_BUFFERS];
/** Rasterizer CSOs without culling/stipple/etc */
void *rasterizer_no_cull[2][2];
- struct pipe_viewport_state viewport;
+ struct pipe_viewport_state viewports[PIPE_MAX_VIEWPORTS];
boolean identity_viewport;
/** Vertex shader state */
uint edgeflag_output;
uint clipvertex_output;
uint clipdistance_output[2];
- /** TGSI program interpreter runtime state */
- struct tgsi_exec_machine *machine;
-
- uint num_samplers;
- struct tgsi_sampler **samplers;
+ /** Fields for TGSI interpreter / execution */
+ struct {
+ struct tgsi_exec_machine *machine;
- const void *aligned_constants[PIPE_MAX_CONSTANT_BUFFERS];
-
- const void *aligned_constant_storage[PIPE_MAX_CONSTANT_BUFFERS];
- unsigned const_storage_size[PIPE_MAX_CONSTANT_BUFFERS];
-
+ struct tgsi_sampler *sampler;
+ } tgsi;
struct translate *fetch;
struct translate_cache *fetch_cache;
uint num_gs_outputs; /**< convenience, from geometry_shader */
uint position_output;
- /** TGSI program interpreter runtime state */
- struct tgsi_exec_machine *machine;
+ /** Fields for TGSI interpreter / execution */
+ struct {
+ struct tgsi_exec_machine *machine;
+
+ struct tgsi_sampler *sampler;
+ } tgsi;
- uint num_samplers;
- struct tgsi_sampler **samplers;
} gs;
/** Fragment shader state */
/** Stream output (vertex feedback) state */
struct {
- struct pipe_stream_output_info state;
struct draw_so_target *targets[PIPE_MAX_SO_BUFFERS];
uint num_targets;
} so;
} extra_shader_outputs;
unsigned instance_id;
+ unsigned start_instance;
+ unsigned start_index;
#ifdef HAVE_LLVM
struct draw_llvm *llvm;
#endif
- struct pipe_sampler_view *sampler_views[PIPE_MAX_VERTEX_SAMPLERS];
- unsigned num_sampler_views;
- const struct pipe_sampler_state *samplers[PIPE_MAX_VERTEX_SAMPLERS];
- unsigned num_samplers;
+ /** Texture sampler and sampler view state.
+ * Note that we have arrays indexed by shader type. At this time
+ * we only handle vertex and geometry shaders in the draw module, but
+ * there may be more in the future (ex: hull and tessellation).
+ */
+ struct pipe_sampler_view *sampler_views[PIPE_SHADER_TYPES][PIPE_MAX_SHADER_SAMPLER_VIEWS];
+ unsigned num_sampler_views[PIPE_SHADER_TYPES];
+ const struct pipe_sampler_state *samplers[PIPE_SHADER_TYPES][PIPE_MAX_SAMPLERS];
+ unsigned num_samplers[PIPE_SHADER_TYPES];
+
+ struct pipe_query_data_pipeline_statistics statistics;
+ boolean collect_statistics;
+
+ struct draw_assembler *ia;
void *driver_private;
};
* Draw common initialization code
*/
boolean draw_init(struct draw_context *draw);
+void draw_new_instance(struct draw_context *draw);
/*******************************************************************************
* Vertex shader code:
boolean draw_vs_init( struct draw_context *draw );
void draw_vs_destroy( struct draw_context *draw );
-void draw_vs_set_viewport( struct draw_context *,
- const struct pipe_viewport_state * );
-
-void
-draw_vs_set_constants(struct draw_context *,
- unsigned slot,
- const void *constants,
- unsigned size);
-
-
/*******************************************************************************
* Geometry shading code:
*/
boolean draw_gs_init( struct draw_context *draw );
-void
-draw_gs_set_constants(struct draw_context *,
- unsigned slot,
- const void *constants,
- unsigned size);
void draw_gs_destroy( struct draw_context *draw );
*/
uint draw_current_shader_outputs(const struct draw_context *draw);
uint draw_current_shader_position_output(const struct draw_context *draw);
+uint draw_current_shader_viewport_index_output(const struct draw_context *draw);
uint draw_current_shader_clipvertex_output(const struct draw_context *draw);
uint draw_current_shader_clipdistance_output(const struct draw_context *draw, int index);
+uint draw_current_shader_num_written_clipdistances(const struct draw_context *draw);
+uint draw_current_shader_culldistance_output(const struct draw_context *draw, int index);
+uint draw_current_shader_num_written_culldistances(const struct draw_context *draw);
int draw_alloc_extra_vertex_attrib(struct draw_context *draw,
uint semantic_name, uint semantic_index);
void draw_remove_extra_vertex_attribs(struct draw_context *draw);
+boolean draw_current_shader_uses_viewport_index(
+ const struct draw_context *draw);
/*******************************************************************************
* Flushing
*/
-#define DRAW_FLUSH_STATE_CHANGE 0x8
-#define DRAW_FLUSH_BACKEND 0x10
+#define DRAW_FLUSH_PARAMETER_CHANGE 0x1 /**< Constants, viewport, etc */
+#define DRAW_FLUSH_STATE_CHANGE 0x2 /**< Other/heavy state changes */
+#define DRAW_FLUSH_BACKEND 0x4 /**< Flush the output buffer */
void draw_do_flush( struct draw_context *draw, unsigned flags );
boolean scissor,
boolean flatshade );
+void
+draw_stats_clipper_primitives(struct draw_context *draw,
+ const struct draw_prim_info *prim_info);
+
+/**
+ * Return index i from the index buffer.
+ * If the index buffer would overflow we return the
+ * maximum possible index.
+ */
+#define DRAW_GET_IDX(_elts, _i) \
+ (((_i) >= draw->pt.user.eltMax) ? DRAW_MAX_FETCH_IDX : (_elts)[_i])
+
+/**
+ * Return index of the given viewport clamping it
+ * to be between 0 <= and < PIPE_MAX_VIEWPORTS
+ */
+static INLINE unsigned
+draw_clamp_viewport_idx(int idx)
+{
+ return ((PIPE_MAX_VIEWPORTS > idx || idx < 0) ? idx : 0);
+}
+
+/**
+ * Adds two unsigned integers and if the addition
+ * overflows then it returns the value from
+ * from the overflow_value variable.
+ */
+static INLINE unsigned
+draw_overflow_uadd(unsigned a, unsigned b,
+ unsigned overflow_value)
+{
+ unsigned res = a + b;
+ if (res < a || res < b) {
+ res = overflow_value;
+ }
+ return res;
+}
#endif /* DRAW_PRIVATE_H */
projects / mesa.git / blobdiff