/**************************************************************************
*
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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
+ * IN NO EVENT SHALL VMWARE 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.
/**
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
* Brian Paul
*/
#include "tgsi/tgsi_scan.h"
#ifdef HAVE_LLVM
-struct draw_llvm;
struct gallivm_state;
#endif
/** 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 vbuf_render;
struct tgsi_exec_machine;
struct tgsi_sampler;
+struct tgsi_image;
+struct tgsi_buffer;
struct draw_pt_front_end;
+struct draw_assembler;
+struct draw_llvm;
+
+/**
+ * Represents the mapped vertex buffer.
+ */
+struct draw_vertex_buffer {
+ const void *map;
+ uint32_t size;
+};
/**
* Basic vertex info.
struct vertex_header {
unsigned clipmask:DRAW_TOTAL_CLIP_PLANES;
unsigned edgeflag:1;
- unsigned have_clipdist:1;
+ unsigned pad:1;
unsigned vertex_id:16;
- float clip[4];
- float pre_clip_pos[4];
+ float clip_pos[4];
/* This will probably become float (*data)[4] soon:
*/
/** 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];
boolean bypass_clip_xy;
boolean bypass_clip_z;
boolean guard_band_xy;
+ boolean bypass_clip_points;
} driver;
boolean quads_always_flatshade_last;
boolean clip_z;
boolean clip_user;
boolean guard_band_xy;
+ boolean guard_band_points_xy;
boolean force_passthrough; /**< never clip or shade */
boolean dump_vs;
+ /** Depth format and bias related settings. */
+ boolean floating_point_depth;
double mrd; /**< minimum resolvable depth value, for polygon offset */
/** Current rasterizer state given to us by the driver */
/** 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;
+ boolean bypass_viewport;
/** Vertex shader state */
struct {
uint position_output;
uint edgeflag_output;
uint clipvertex_output;
- uint clipdistance_output[2];
+ uint ccdistance_output[2];
/** Fields for TGSI interpreter / execution */
struct {
struct tgsi_exec_machine *machine;
struct tgsi_sampler *sampler;
+ struct tgsi_image *image;
+ struct tgsi_buffer *buffer;
} tgsi;
struct translate *fetch;
struct tgsi_exec_machine *machine;
struct tgsi_sampler *sampler;
+ struct tgsi_image *image;
+ struct tgsi_buffer *buffer;
} tgsi;
} gs;
} extra_shader_outputs;
unsigned instance_id;
+ unsigned start_instance;
+ unsigned start_index;
-#ifdef HAVE_LLVM
struct draw_llvm *llvm;
-#endif
/** Texture sampler and sampler view state.
* Note that we have arrays indexed by shader type. At this time
struct pipe_query_data_pipeline_statistics statistics;
boolean collect_statistics;
+ struct draw_assembler *ia;
+
void *driver_private;
};
};
/* these flags are set if the primitive is a segment of a larger one */
-#define DRAW_SPLIT_BEFORE 0x1
-#define DRAW_SPLIT_AFTER 0x2
+#define DRAW_SPLIT_BEFORE 0x1
+#define DRAW_SPLIT_AFTER 0x2
+#define DRAW_LINE_LOOP_AS_STRIP 0x4
struct draw_prim_info {
boolean linear;
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 * );
-
/*******************************************************************************
* Geometry shading code:
*/
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_ccdistance_output(const struct draw_context *draw, int index);
+uint draw_current_shader_num_written_clipdistances(const struct draw_context *draw);
+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);
/*******************************************************************************
boolean scissor,
boolean flatshade );
+void
+draw_stats_clipper_primitives(struct draw_context *draw,
+ const struct draw_prim_info *prim_info);
+
+void draw_update_clip_flags(struct draw_context *draw);
+void draw_update_viewport_flags(struct draw_context *draw);
+
+/**
+ * Return index i from the index buffer.
+ * If the index buffer would overflow we return index 0.
+ */
+#define DRAW_GET_IDX(_elts, _i) \
+ (((_i) >= draw->pt.user.eltMax) ? 0 : (_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
+ * 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 = overflow_value;
+ }
+ return res;
+}
#endif /* DRAW_PRIVATE_H */
projects / mesa.git / blobdiff