From 41b58954e1742493452b91d9ecdb761db5de3bed Mon Sep 17 00:00:00 2001 From: Keith Whitwell Date: Thu, 10 Jun 2004 12:48:07 +0000 Subject: New driver for i915 as well as older i830/i845/i865 chipsets. --- src/mesa/drivers/dri/i915/i915_context.h | 330 +++++++++++++++++++++++++++++++ 1 file changed, 330 insertions(+) create mode 100644 src/mesa/drivers/dri/i915/i915_context.h (limited to 'src/mesa/drivers/dri/i915/i915_context.h') diff --git a/src/mesa/drivers/dri/i915/i915_context.h b/src/mesa/drivers/dri/i915/i915_context.h new file mode 100644 index 0000000000..05863fa9e9 --- /dev/null +++ b/src/mesa/drivers/dri/i915/i915_context.h @@ -0,0 +1,330 @@ + /************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + **************************************************************************/ + +#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_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_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 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 ); + + +/*====================================================================== + * 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); + + +/*====================================================================== + * i915_fragprog.c + */ +extern void i915ValidateFragmentProgram( i915ContextPtr i915 ); +extern void i915InitFragProgFuncs( struct dd_function_table *functions ); + +#endif + -- cgit v1.2.3