#include "tgsi/tgsi_scan.h"
+#ifdef HAVE_LLVM
+#include <llvm-c/ExecutionEngine.h>
+struct draw_llvm;
+#endif
+
struct pipe_context;
-struct gallivm_prog;
-struct gallivm_cpu_engine;
struct draw_vertex_shader;
struct draw_context;
struct draw_stage;
#define UNDEFINED_VERTEX_ID 0xffff
+/* maximum number of shader variants we can cache */
+#define DRAW_MAX_SHADER_VARIANTS 1024
+
/**
* Private context for the drawing module.
*/
struct draw_context
{
+ struct pipe_context *pipe;
+
/** Drawing/primitive pipeline stages */
struct {
struct draw_stage *first; /**< one of the following */
float wide_point_threshold; /**< convert pnts to tris if larger than this */
float wide_line_threshold; /**< convert lines to tris if wider than this */
+ boolean wide_point_sprites; /**< convert points to tris for sprite mode */
boolean line_stipple; /**< do line stipple? */
boolean point_sprite; /**< convert points to quads for sprites? */
struct draw_pt_middle_end *fetch_emit;
struct draw_pt_middle_end *fetch_shade_emit;
struct draw_pt_middle_end *general;
+ struct draw_pt_middle_end *llvm;
} middle;
struct {
- struct draw_pt_front_end *vcache;
- struct draw_pt_front_end *varray;
+ struct draw_pt_front_end *vsplit;
} front;
struct pipe_vertex_buffer vertex_buffer[PIPE_MAX_ATTRIBS];
struct pipe_vertex_element vertex_element[PIPE_MAX_ATTRIBS];
unsigned nr_vertex_elements;
+ struct pipe_index_buffer index_buffer;
+
/* user-space vertex data, buffers */
struct {
/** vertex element/index buffer (ex: glDrawElements) */
const void *elts;
/** bytes per index (0, 1, 2 or 4) */
unsigned eltSize;
+ int eltBias;
unsigned min_index;
unsigned max_index;
/** vertex arrays */
const void *vbuffer[PIPE_MAX_ATTRIBS];
- /** constant buffer (for vertex shader) */
- const void *constants;
+ /** constant buffers (for vertex/geometry shader) */
+ const void *vs_constants[PIPE_MAX_CONSTANT_BUFFERS];
+ unsigned vs_constants_size[PIPE_MAX_CONSTANT_BUFFERS];
+ const void *gs_constants[PIPE_MAX_CONSTANT_BUFFERS];
+ unsigned gs_constants_size[PIPE_MAX_CONSTANT_BUFFERS];
} user;
boolean test_fse; /* enable FSE even though its not correct (eg for softpipe) */
} pt;
struct {
- boolean bypass_clipping;
- boolean bypass_vs;
+ boolean bypass_clip_xy;
+ boolean bypass_clip_z;
} driver;
boolean flushing; /**< debugging/sanity */
boolean suspend_flushing; /**< internally set */
- boolean bypass_clipping; /**< set if either api or driver bypass_clipping true */
+
+ /* Flags set if API requires clipping in these planes and the
+ * driver doesn't indicate that it can do it for us.
+ */
+ boolean clip_xy;
+ boolean clip_z;
+ boolean clip_user;
boolean force_passthrough; /**< never clip or shade */
+ boolean dump_vs;
+
double mrd; /**< minimum resolvable depth value, for polygon offset */
- /* pipe state that we need: */
+ /** Current rasterizer state given to us by the driver */
const struct pipe_rasterizer_state *rasterizer;
+ /** Driver CSO handle for the current rasterizer state */
+ void *rast_handle;
+
+ /** Rasterizer CSOs without culling/stipple/etc */
+ void *rasterizer_no_cull[2][2];
+
struct pipe_viewport_state viewport;
boolean identity_viewport;
+ /** Vertex shader state */
struct {
struct draw_vertex_shader *vertex_shader;
uint num_vs_outputs; /**< convenience, from vertex_shader */
uint num_samplers;
struct tgsi_sampler **samplers;
- /* This (and the tgsi_exec_machine struct) probably need to be moved somewhere private.
- */
- struct gallivm_cpu_engine *engine;
-
/* Here's another one:
*/
struct aos_machine *aos_machine;
- const float (*aligned_constants)[4];
+ const void *aligned_constants[PIPE_MAX_CONSTANT_BUFFERS];
- const float (*aligned_constant_storage)[4];
- unsigned const_storage_size;
+ const void *aligned_constant_storage[PIPE_MAX_CONSTANT_BUFFERS];
+ unsigned const_storage_size[PIPE_MAX_CONSTANT_BUFFERS];
struct translate *fetch;
struct translate_cache *emit_cache;
} vs;
+ /** Geometry shader state */
+ struct {
+ struct draw_geometry_shader *geometry_shader;
+ uint num_gs_outputs; /**< convenience, from geometry_shader */
+ uint position_output;
+
+ /** TGSI program interpreter runtime state */
+ struct tgsi_exec_machine *machine;
+
+ uint num_samplers;
+ struct tgsi_sampler **samplers;
+ } gs;
+
+ /** Stream output (vertex feedback) state */
+ struct {
+ struct pipe_stream_output_state state;
+ void *buffers[PIPE_MAX_SO_BUFFERS];
+ uint num_buffers;
+ } so;
+
/* Clip derived state:
*/
float plane[12][4];
unsigned nr_planes;
+ boolean depth_clamp;
/* If a prim stage introduces new vertex attributes, they'll be stored here
*/
uint semantic_name;
uint semantic_index;
int slot;
- } extra_vp_outputs;
+ } extra_shader_outputs;
unsigned reduced_prim;
+ unsigned instance_id;
+
+#ifdef HAVE_LLVM
+ struct draw_llvm *llvm;
+ LLVMExecutionEngineRef engine;
+#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;
+
void *driver_private;
};
+struct draw_fetch_info {
+ boolean linear;
+ unsigned start;
+ const unsigned *elts;
+ unsigned count;
+};
+
+struct draw_vertex_info {
+ struct vertex_header *verts;
+ unsigned vertex_size;
+ unsigned stride;
+ unsigned count;
+};
+
+/* these flags are set if the primitive is a segment of a larger one */
+#define DRAW_SPLIT_BEFORE 0x1
+#define DRAW_SPLIT_AFTER 0x2
+
+struct draw_prim_info {
+ boolean linear;
+ unsigned start;
+
+ const ushort *elts;
+ unsigned count;
+
+ unsigned prim;
+ unsigned flags;
+ unsigned *primitive_lengths;
+ unsigned primitive_count;
+};
+
+
+/*******************************************************************************
+ * Draw common initialization code
+ */
+boolean draw_init(struct draw_context *draw);
+
/*******************************************************************************
* Vertex shader code:
*/
void draw_vs_set_viewport( struct draw_context *,
const struct pipe_viewport_state * );
-void draw_vs_set_constants( struct draw_context *,
- const float (*constants)[4],
- unsigned size );
+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 );
+/*******************************************************************************
+ * Common shading code:
+ */
+uint draw_current_shader_outputs(const struct draw_context *draw);
+uint draw_current_shader_position_output(const struct draw_context *draw);
/*******************************************************************************
* Vertex processing (was passthrough) code:
-/* We use the top few bits in the elts[] parameter to convey a little
- * API information. This limits the number of vertices we can address
- * to only 4096 -- if that becomes a problem, we can switch to 32-bit
- * draw indices.
- *
- * These flags expected at first vertex of lines & triangles when
- * unfilled and/or line stipple modes are operational.
+/*
+ * These flags are used by the pipeline when unfilled and/or line stipple modes
+ * are operational.
*/
-#define DRAW_PIPE_MAX_VERTICES (0x1<<12)
-#define DRAW_PIPE_EDGE_FLAG_0 (0x1<<12)
-#define DRAW_PIPE_EDGE_FLAG_1 (0x2<<12)
-#define DRAW_PIPE_EDGE_FLAG_2 (0x4<<12)
-#define DRAW_PIPE_EDGE_FLAG_ALL (0x7<<12)
-#define DRAW_PIPE_RESET_STIPPLE (0x8<<12)
-#define DRAW_PIPE_FLAG_MASK (0xf<<12)
+#define DRAW_PIPE_EDGE_FLAG_0 0x1
+#define DRAW_PIPE_EDGE_FLAG_1 0x2
+#define DRAW_PIPE_EDGE_FLAG_2 0x4
+#define DRAW_PIPE_EDGE_FLAG_ALL 0x7
+#define DRAW_PIPE_RESET_STIPPLE 0x8
void draw_pipeline_run( struct draw_context *draw,
- unsigned prim,
- struct vertex_header *vertices,
- unsigned vertex_count,
- unsigned stride,
- const ushort *elts,
- unsigned count );
+ const struct draw_vertex_info *vert,
+ const struct draw_prim_info *prim);
void draw_pipeline_run_linear( struct draw_context *draw,
- unsigned prim,
- struct vertex_header *vertices,
- unsigned count,
- unsigned stride );
+ const struct draw_vertex_info *vert,
+ const struct draw_prim_info *prim);
+
+void *
+draw_get_rasterizer_no_cull( struct draw_context *draw,
+ boolean scissor,
+ boolean flatshade );
+
#endif /* DRAW_PRIVATE_H */
projects / mesa.git / blobdiff