/*
Copyright (C) Intel Corp. 2006. All Rights Reserved.
- Intel funded Tungsten Graphics (http://www.tungstengraphics.com) to
+ Intel funded Tungsten Graphics to
develop this 3D driver.
-
+
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
distribute, sublicense, 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 NONINFRINGEMENT.
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>
*/
-
+
#ifndef BRW_VS_H
#define BRW_VS_H
#include "brw_context.h"
#include "brw_eu.h"
-#include "brw_program.h"
+#include "brw_vec4.h"
#include "program/program.h"
/**
#define BRW_ATTRIB_WA_SCALE 64 /* interpret as scaled in shader */
struct brw_vs_prog_key {
- GLuint program_string_id;
+ struct brw_vec4_prog_key base;
/*
* Per-attribute workaround flags
*/
uint8_t gl_attrib_wa_flags[VERT_ATTRIB_MAX];
- /**
- * True if at least one clip flag is enabled, regardless of whether the
- * shader uses clip planes or gl_ClipDistance.
- */
- GLuint userclip_active:1;
-
- /**
- * How many user clipping planes are being uploaded to the vertex shader as
- * push constants.
- */
- GLuint nr_userclip_plane_consts:4;
-
- /**
- * True if the shader uses gl_ClipDistance, regardless of whether any clip
- * flags are enabled.
- */
- GLuint uses_clip_distance:1;
+ GLuint copy_edgeflag:1;
/**
- * For pre-Gen6 hardware, a bitfield indicating which clipping planes are
- * enabled. This is used to compact clip planes.
- *
- * For Gen6 and later hardware, clip planes are not compacted, so this
- * value is zero to avoid provoking unnecessary shader recompiles.
+ * For pre-Gen6 hardware, a bitfield indicating which texture coordinates
+ * are going to be replaced with point coordinates (as a consequence of a
+ * call to glTexEnvi(GL_POINT_SPRITE, GL_COORD_REPLACE, GL_TRUE)). Because
+ * our SF thread requires exact matching between VS outputs and FS inputs,
+ * these texture coordinates will need to be unconditionally included in
+ * the VUE, even if they aren't written by the vertex shader.
*/
- GLuint userclip_planes_enabled_gen_4_5:MAX_CLIP_PLANES;
-
- GLuint copy_edgeflag:1;
GLuint point_coord_replace:8;
- GLuint clamp_vertex_color:1;
-
- struct brw_sampler_prog_key_data tex;
};
struct brw_vs_compile {
- struct brw_compile func;
+ struct brw_vec4_compile base;
struct brw_vs_prog_key key;
- struct brw_vs_prog_data prog_data;
struct brw_vertex_program *vp;
-
- GLuint last_scratch; /**< measured in 32-byte (register size) units */
};
-bool brw_vs_emit(struct brw_context *brw,
- struct gl_shader_program *prog,
- struct brw_vs_compile *c,
- void *mem_ctx);
-bool brw_vs_precompile(struct gl_context *ctx, struct gl_shader_program *prog);
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+const unsigned *brw_vs_emit(struct brw_context *brw,
+ struct gl_shader_program *prog,
+ struct brw_vs_compile *c,
+ struct brw_vs_prog_data *prog_data,
+ void *mem_ctx,
+ unsigned *program_size);
void brw_vs_debug_recompile(struct brw_context *brw,
struct gl_shader_program *prog,
const struct brw_vs_prog_key *key);
-bool brw_vs_prog_data_compare(const void *a, const void *b,
- int aux_size, const void *key);
-void brw_vs_prog_data_free(const void *in_prog_data);
+bool brw_vs_prog_data_compare(const void *a, const void *b);
+
+#ifdef __cplusplus
+} /* extern "C" */
+
+
+namespace brw {
+
+class vec4_vs_visitor : public vec4_visitor
+{
+public:
+ vec4_vs_visitor(struct brw_context *brw,
+ struct brw_vs_compile *vs_compile,
+ struct brw_vs_prog_data *vs_prog_data,
+ struct gl_shader_program *prog,
+ void *mem_ctx);
+
+protected:
+ virtual dst_reg *make_reg_for_system_value(ir_variable *ir);
+ virtual void setup_payload();
+ virtual void emit_prolog();
+ virtual void emit_program_code();
+ virtual void emit_thread_end();
+ virtual void emit_urb_write_header(int mrf);
+ virtual vec4_instruction *emit_urb_write_opcode(bool complete);
+
+private:
+ int setup_attributes(int payload_reg);
+ void setup_vp_regs();
+ dst_reg get_vp_dst_reg(const prog_dst_register &dst);
+ src_reg get_vp_src_reg(const prog_src_register &src);
+
+ struct brw_vs_compile * const vs_compile;
+ struct brw_vs_prog_data * const vs_prog_data;
+ src_reg *vp_temp_regs;
+ src_reg vp_addr_reg;
+};
+
+} /* namespace brw */
+
+
+#endif
#endif
projects / mesa.git / blobdiff