/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* 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
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS 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.
*
**************************************************************************/
#ifndef I915CONTEXT_INC
#define I915CONTEXT_INC
#include "intel_context.h"
#define I915_FALLBACK_TEXTURE 0x1000
#define I915_FALLBACK_COLORMASK 0x2000
#define I915_FALLBACK_STENCIL 0x4000
#define I915_FALLBACK_STIPPLE 0x8000
#define I915_FALLBACK_PROGRAM 0x10000
#define I915_FALLBACK_LOGICOP 0x20000
#define I915_FALLBACK_POLYGON_SMOOTH 0x40000
#define I915_FALLBACK_POINT_SMOOTH 0x80000
#define I915_UPLOAD_CTX 0x1
#define I915_UPLOAD_BUFFERS 0x2
#define I915_UPLOAD_STIPPLE 0x4
#define I915_UPLOAD_PROGRAM 0x8
#define I915_UPLOAD_CONSTANTS 0x10
#define I915_UPLOAD_FOG 0x20
#define I915_UPLOAD_INVARIENT 0x40
#define I915_UPLOAD_TEX(i) (0x00010000<<(i))
#define I915_UPLOAD_TEX_ALL (0x00ff0000)
#define I915_UPLOAD_TEX_0_SHIFT 16
/* State structure offsets - these will probably disappear.
*/
#define I915_DESTREG_CBUFADDR0 0
#define I915_DESTREG_CBUFADDR1 1
#define I915_DESTREG_CBUFADDR2 2
#define I915_DESTREG_DBUFADDR0 3
#define I915_DESTREG_DBUFADDR1 4
#define I915_DESTREG_DBUFADDR2 5
#define I915_DESTREG_DV0 6
#define I915_DESTREG_DV1 7
#define I915_DESTREG_SENABLE 8
#define I915_DESTREG_SR0 9
#define I915_DESTREG_SR1 10
#define I915_DESTREG_SR2 11
#define I915_DEST_SETUP_SIZE 12
#define I915_CTXREG_STATE4 0
#define I915_CTXREG_LI 1
#define I915_CTXREG_LIS2 2
#define I915_CTXREG_LIS4 3
#define I915_CTXREG_LIS5 4
#define I915_CTXREG_LIS6 5
#define I915_CTXREG_IAB 6
#define I915_CTXREG_BLENDCOLOR0 7
#define I915_CTXREG_BLENDCOLOR1 8
#define I915_CTX_SETUP_SIZE 9
#define I915_FOGREG_COLOR 0
#define I915_FOGREG_MODE0 1
#define I915_FOGREG_MODE1 2
#define I915_FOGREG_MODE2 3
#define I915_FOGREG_MODE3 4
#define I915_FOG_SETUP_SIZE 5
#define I915_STPREG_ST0 0
#define I915_STPREG_ST1 1
#define I915_STP_SETUP_SIZE 2
#define I915_TEXREG_MS2 0
#define I915_TEXREG_MS3 1
#define I915_TEXREG_MS4 2
#define I915_TEXREG_SS2 3
#define I915_TEXREG_SS3 4
#define I915_TEXREG_SS4 5
#define I915_TEX_SETUP_SIZE 6
#define I915_MAX_CONSTANT 32
#define I915_CONSTANT_SIZE (2+(4*I915_MAX_CONSTANT))
#define I915_PROGRAM_SIZE 192
/* Hardware version of a parsed fragment program. "Derived" from the
* mesa fragment_program struct.
*/
struct i915_fragment_program {
struct gl_fragment_program FragProg;
GLboolean translated;
GLboolean params_uptodate;
GLboolean on_hardware;
GLboolean error; /* If program is malformed for any reason. */
GLuint nr_tex_indirect;
GLuint nr_tex_insn;
GLuint nr_alu_insn;
GLuint nr_decl_insn;
/* TODO: split between the stored representation of a program and
* the state used to build that representation.
*/
GLcontext *ctx;
GLuint declarations[I915_PROGRAM_SIZE];
GLuint program[I915_PROGRAM_SIZE];
GLfloat constant[I915_MAX_CONSTANT][4];
GLuint constant_flags[I915_MAX_CONSTANT];
GLuint nr_constants;
GLuint *csr; /* Cursor, points into program.
*/
GLuint *decl; /* Cursor, points into declarations.
*/
GLuint decl_s; /* flags for which s regs need to be decl'd */
GLuint decl_t; /* flags for which t regs need to be decl'd */
GLuint temp_flag; /* Tracks temporary regs which are in
* use.
*/
GLuint utemp_flag; /* Tracks TYPE_U temporary regs which are in
* use.
*/
/* Helpers for i915_fragprog.c:
*/
GLuint wpos_tex;
GLboolean depth_written;
struct {
GLuint reg; /* Hardware constant idx */
const GLfloat *values; /* Pointer to tracked values */
} param[I915_MAX_CONSTANT];
GLuint nr_params;
/* Helpers for i915_texprog.c:
*/
GLuint src_texture; /* Reg containing sampled texture color,
* else UREG_BAD.
*/
GLuint src_previous; /* Reg containing color from previous
* stage. May need to be decl'd.
*/
GLuint last_tex_stage; /* Number of last enabled texture unit */
struct vertex_buffer *VB;
};
struct i915_texture_object
{
struct intel_texture_object intel;
GLenum lastTarget;
GLboolean refs_border_color;
GLuint Setup[I915_TEX_SETUP_SIZE];
};
#define I915_TEX_UNITS 8
struct i915_hw_state {
GLuint Ctx[I915_CTX_SETUP_SIZE];
GLuint Buffer[I915_DEST_SETUP_SIZE];
GLuint Stipple[I915_STP_SETUP_SIZE];
GLuint Fog[I915_FOG_SETUP_SIZE];
GLuint Tex[I915_TEX_UNITS][I915_TEX_SETUP_SIZE];
GLuint Constant[I915_CONSTANT_SIZE];
GLuint ConstantSize;
GLuint Program[I915_PROGRAM_SIZE];
GLuint ProgramSize;
GLuint active; /* I915_UPLOAD_* */
GLuint emitted; /* I915_UPLOAD_* */
};
#define I915_FOG_PIXEL 2
#define I915_FOG_VERTEX 1
#define I915_FOG_NONE 0
struct i915_context
{
struct intel_context intel;
GLuint last_ReallyEnabled;
GLuint vertex_fog;
struct i915_fragment_program tex_program;
struct i915_fragment_program *current_program;
struct i915_hw_state meta, initial, state, *current;
};
typedef struct i915_context *i915ContextPtr;
typedef struct i915_texture_object *i915TextureObjectPtr;
#define I915_CONTEXT(ctx) ((i915ContextPtr)(ctx))
#define I915_STATECHANGE(i915, flag) \
do { \
if (0) fprintf(stderr, "I915_STATECHANGE %x in %s\n", flag, __FUNCTION__); \
INTEL_FIREVERTICES( &(i915)->intel ); \
(i915)->state.emitted &= ~(flag); \
} while (0)
#define I915_ACTIVESTATE(i915, flag, mode) \
do { \
if (0) fprintf(stderr, "I915_ACTIVESTATE %x %d in %s\n", \
flag, mode, __FUNCTION__); \
INTEL_FIREVERTICES( &(i915)->intel ); \
if (mode) \
(i915)->state.active |= (flag); \
else \
(i915)->state.active &= ~(flag); \
} while (0)
/*======================================================================
* i915_vtbl.c
*/
extern void i915InitVtbl( i915ContextPtr i915 );
#define SZ_TO_HW(sz) ((sz-2)&0x3)
#define EMIT_SZ(sz) (EMIT_1F + (sz) - 1)
#define EMIT_ATTR( ATTR, STYLE, S4, SZ ) \
do { \
intel->vertex_attrs[intel->vertex_attr_count].attrib = (ATTR); \
intel->vertex_attrs[intel->vertex_attr_count].format = (STYLE); \
s4 |= S4; \
intel->vertex_attr_count++; \
offset += (SZ); \
} while (0)
#define EMIT_PAD( N ) \
do { \
intel->vertex_attrs[intel->vertex_attr_count].attrib = 0; \
intel->vertex_attrs[intel->vertex_attr_count].format = EMIT_PAD; \
intel->vertex_attrs[intel->vertex_attr_count].offset = (N); \
intel->vertex_attr_count++; \
offset += (N); \
} while (0)
/*======================================================================
* i915_context.c
*/
extern GLboolean i915CreateContext( const __GLcontextModes *mesaVis,
__DRIcontextPrivate *driContextPriv,
void *sharedContextPrivate);
/*======================================================================
* i915_texprog.c
*/
extern void i915ValidateTextureProgram( i915ContextPtr i915 );
/*======================================================================
* i915_debug.c
*/
extern void i915_disassemble_program( const GLuint *program, GLuint sz );
extern void i915_print_ureg( const char *msg, GLuint ureg );
/*======================================================================
* i915_state.c
*/
extern void i915InitStateFunctions( struct dd_function_table *functions );
extern void i915InitState( i915ContextPtr i915 );
extern void i915_update_fog(GLcontext *ctxx);
/*======================================================================
* i915_tex.c
*/
extern void i915UpdateTextureState( intelContextPtr intel );
extern void i915InitTextureFuncs( struct dd_function_table *functions );
extern intelTextureObjectPtr i915AllocTexObj( struct gl_texture_object *texObj );
/*======================================================================
* i915_metaops.c
*/
extern GLboolean
i915TryTextureReadPixels( GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *pack,
GLvoid *pixels );
extern GLboolean
i915TryTextureDrawPixels( GLcontext *ctx,
GLint x, GLint y, GLsizei width, GLsizei height,
GLenum format, GLenum type,
const struct gl_pixelstore_attrib *unpack,
const GLvoid *pixels );
extern void
i915ClearWithTris( intelContextPtr intel, GLbitfield mask,
GLboolean all, GLint cx, GLint cy, GLint cw, GLint ch);
extern void
i915RotateWindow(intelContextPtr intel, __DRIdrawablePrivate *dPriv,
GLuint srcBuf);
/*======================================================================
* i915_fragprog.c
*/
extern void i915ValidateFragmentProgram( i915ContextPtr i915 );
extern void i915InitFragProgFuncs( struct dd_function_table *functions );
#endif