0,0 → 1,519 |
/* |
Copyright (C) The Weather Channel, Inc. 2002. All Rights Reserved. |
|
The Weather Channel (TM) funded Tungsten Graphics to develop the |
initial release of the Radeon 8500 driver under the XFree86 license. |
This notice must be preserved. |
|
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, 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. |
IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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> |
*/ |
|
#include "main/glheader.h" |
#include "main/imports.h" |
#include "main/colormac.h" |
#include "main/context.h" |
#include "main/enums.h" |
#include "main/image.h" |
#include "main/simple_list.h" |
#include "main/teximage.h" |
#include "main/texobj.h" |
#include "main/samplerobj.h" |
|
#include "radeon_mipmap_tree.h" |
#include "r200_context.h" |
#include "r200_ioctl.h" |
#include "r200_tex.h" |
|
#include "xmlpool.h" |
|
|
|
/** |
* Set the texture wrap modes. |
* |
* \param t Texture object whose wrap modes are to be set |
* \param swrap Wrap mode for the \a s texture coordinate |
* \param twrap Wrap mode for the \a t texture coordinate |
*/ |
|
static void r200SetTexWrap( radeonTexObjPtr t, GLenum swrap, GLenum twrap, GLenum rwrap ) |
{ |
GLboolean is_clamp = GL_FALSE; |
GLboolean is_clamp_to_border = GL_FALSE; |
struct gl_texture_object *tObj = &t->base; |
|
radeon_print(RADEON_TEXTURE, RADEON_TRACE, |
"%s(tex %p) sw %s, tw %s, rw %s\n", |
__func__, t, |
_mesa_lookup_enum_by_nr(swrap), |
_mesa_lookup_enum_by_nr(twrap), |
_mesa_lookup_enum_by_nr(rwrap)); |
|
t->pp_txfilter &= ~(R200_CLAMP_S_MASK | R200_CLAMP_T_MASK | R200_BORDER_MODE_D3D); |
|
switch ( swrap ) { |
case GL_REPEAT: |
t->pp_txfilter |= R200_CLAMP_S_WRAP; |
break; |
case GL_CLAMP: |
t->pp_txfilter |= R200_CLAMP_S_CLAMP_GL; |
is_clamp = GL_TRUE; |
break; |
case GL_CLAMP_TO_EDGE: |
t->pp_txfilter |= R200_CLAMP_S_CLAMP_LAST; |
break; |
case GL_CLAMP_TO_BORDER: |
t->pp_txfilter |= R200_CLAMP_S_CLAMP_GL; |
is_clamp_to_border = GL_TRUE; |
break; |
case GL_MIRRORED_REPEAT: |
t->pp_txfilter |= R200_CLAMP_S_MIRROR; |
break; |
case GL_MIRROR_CLAMP_EXT: |
t->pp_txfilter |= R200_CLAMP_S_MIRROR_CLAMP_GL; |
is_clamp = GL_TRUE; |
break; |
case GL_MIRROR_CLAMP_TO_EDGE_EXT: |
t->pp_txfilter |= R200_CLAMP_S_MIRROR_CLAMP_LAST; |
break; |
case GL_MIRROR_CLAMP_TO_BORDER_EXT: |
t->pp_txfilter |= R200_CLAMP_S_MIRROR_CLAMP_GL; |
is_clamp_to_border = GL_TRUE; |
break; |
default: |
_mesa_problem(NULL, "bad S wrap mode in %s", __FUNCTION__); |
} |
|
if (tObj->Target != GL_TEXTURE_1D) { |
switch ( twrap ) { |
case GL_REPEAT: |
t->pp_txfilter |= R200_CLAMP_T_WRAP; |
break; |
case GL_CLAMP: |
t->pp_txfilter |= R200_CLAMP_T_CLAMP_GL; |
is_clamp = GL_TRUE; |
break; |
case GL_CLAMP_TO_EDGE: |
t->pp_txfilter |= R200_CLAMP_T_CLAMP_LAST; |
break; |
case GL_CLAMP_TO_BORDER: |
t->pp_txfilter |= R200_CLAMP_T_CLAMP_GL; |
is_clamp_to_border = GL_TRUE; |
break; |
case GL_MIRRORED_REPEAT: |
t->pp_txfilter |= R200_CLAMP_T_MIRROR; |
break; |
case GL_MIRROR_CLAMP_EXT: |
t->pp_txfilter |= R200_CLAMP_T_MIRROR_CLAMP_GL; |
is_clamp = GL_TRUE; |
break; |
case GL_MIRROR_CLAMP_TO_EDGE_EXT: |
t->pp_txfilter |= R200_CLAMP_T_MIRROR_CLAMP_LAST; |
break; |
case GL_MIRROR_CLAMP_TO_BORDER_EXT: |
t->pp_txfilter |= R200_CLAMP_T_MIRROR_CLAMP_GL; |
is_clamp_to_border = GL_TRUE; |
break; |
default: |
_mesa_problem(NULL, "bad T wrap mode in %s", __FUNCTION__); |
} |
} |
|
t->pp_txformat_x &= ~R200_CLAMP_Q_MASK; |
|
switch ( rwrap ) { |
case GL_REPEAT: |
t->pp_txformat_x |= R200_CLAMP_Q_WRAP; |
break; |
case GL_CLAMP: |
t->pp_txformat_x |= R200_CLAMP_Q_CLAMP_GL; |
is_clamp = GL_TRUE; |
break; |
case GL_CLAMP_TO_EDGE: |
t->pp_txformat_x |= R200_CLAMP_Q_CLAMP_LAST; |
break; |
case GL_CLAMP_TO_BORDER: |
t->pp_txformat_x |= R200_CLAMP_Q_CLAMP_GL; |
is_clamp_to_border = GL_TRUE; |
break; |
case GL_MIRRORED_REPEAT: |
t->pp_txformat_x |= R200_CLAMP_Q_MIRROR; |
break; |
case GL_MIRROR_CLAMP_EXT: |
t->pp_txformat_x |= R200_CLAMP_Q_MIRROR_CLAMP_GL; |
is_clamp = GL_TRUE; |
break; |
case GL_MIRROR_CLAMP_TO_EDGE_EXT: |
t->pp_txformat_x |= R200_CLAMP_Q_MIRROR_CLAMP_LAST; |
break; |
case GL_MIRROR_CLAMP_TO_BORDER_EXT: |
t->pp_txformat_x |= R200_CLAMP_Q_MIRROR_CLAMP_GL; |
is_clamp_to_border = GL_TRUE; |
break; |
default: |
_mesa_problem(NULL, "bad R wrap mode in %s", __FUNCTION__); |
} |
|
if ( is_clamp_to_border ) { |
t->pp_txfilter |= R200_BORDER_MODE_D3D; |
} |
|
t->border_fallback = (is_clamp && is_clamp_to_border); |
} |
|
static void r200SetTexMaxAnisotropy( radeonTexObjPtr t, GLfloat max ) |
{ |
t->pp_txfilter &= ~R200_MAX_ANISO_MASK; |
radeon_print(RADEON_TEXTURE, RADEON_TRACE, |
"%s(tex %p) max %f.\n", |
__func__, t, max); |
|
if ( max <= 1.0 ) { |
t->pp_txfilter |= R200_MAX_ANISO_1_TO_1; |
} else if ( max <= 2.0 ) { |
t->pp_txfilter |= R200_MAX_ANISO_2_TO_1; |
} else if ( max <= 4.0 ) { |
t->pp_txfilter |= R200_MAX_ANISO_4_TO_1; |
} else if ( max <= 8.0 ) { |
t->pp_txfilter |= R200_MAX_ANISO_8_TO_1; |
} else { |
t->pp_txfilter |= R200_MAX_ANISO_16_TO_1; |
} |
} |
|
/** |
* Set the texture magnification and minification modes. |
* |
* \param t Texture whose filter modes are to be set |
* \param minf Texture minification mode |
* \param magf Texture magnification mode |
*/ |
|
static void r200SetTexFilter( radeonTexObjPtr t, GLenum minf, GLenum magf ) |
{ |
GLuint anisotropy = (t->pp_txfilter & R200_MAX_ANISO_MASK); |
|
/* Force revalidation to account for switches from/to mipmapping. */ |
t->validated = GL_FALSE; |
|
t->pp_txfilter &= ~(R200_MIN_FILTER_MASK | R200_MAG_FILTER_MASK); |
t->pp_txformat_x &= ~R200_VOLUME_FILTER_MASK; |
|
radeon_print(RADEON_TEXTURE, RADEON_TRACE, |
"%s(tex %p) minf %s, maxf %s, anisotropy %d.\n", |
__func__, t, |
_mesa_lookup_enum_by_nr(minf), |
_mesa_lookup_enum_by_nr(magf), |
anisotropy); |
|
if ( anisotropy == R200_MAX_ANISO_1_TO_1 ) { |
switch ( minf ) { |
case GL_NEAREST: |
t->pp_txfilter |= R200_MIN_FILTER_NEAREST; |
break; |
case GL_LINEAR: |
t->pp_txfilter |= R200_MIN_FILTER_LINEAR; |
break; |
case GL_NEAREST_MIPMAP_NEAREST: |
t->pp_txfilter |= R200_MIN_FILTER_NEAREST_MIP_NEAREST; |
break; |
case GL_NEAREST_MIPMAP_LINEAR: |
t->pp_txfilter |= R200_MIN_FILTER_LINEAR_MIP_NEAREST; |
break; |
case GL_LINEAR_MIPMAP_NEAREST: |
t->pp_txfilter |= R200_MIN_FILTER_NEAREST_MIP_LINEAR; |
break; |
case GL_LINEAR_MIPMAP_LINEAR: |
t->pp_txfilter |= R200_MIN_FILTER_LINEAR_MIP_LINEAR; |
break; |
} |
} else { |
switch ( minf ) { |
case GL_NEAREST: |
t->pp_txfilter |= R200_MIN_FILTER_ANISO_NEAREST; |
break; |
case GL_LINEAR: |
t->pp_txfilter |= R200_MIN_FILTER_ANISO_LINEAR; |
break; |
case GL_NEAREST_MIPMAP_NEAREST: |
case GL_LINEAR_MIPMAP_NEAREST: |
t->pp_txfilter |= R200_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST; |
break; |
case GL_NEAREST_MIPMAP_LINEAR: |
case GL_LINEAR_MIPMAP_LINEAR: |
t->pp_txfilter |= R200_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR; |
break; |
} |
} |
|
/* Note we don't have 3D mipmaps so only use the mag filter setting |
* to set the 3D texture filter mode. |
*/ |
switch ( magf ) { |
case GL_NEAREST: |
t->pp_txfilter |= R200_MAG_FILTER_NEAREST; |
t->pp_txformat_x |= R200_VOLUME_FILTER_NEAREST; |
break; |
case GL_LINEAR: |
t->pp_txfilter |= R200_MAG_FILTER_LINEAR; |
t->pp_txformat_x |= R200_VOLUME_FILTER_LINEAR; |
break; |
} |
} |
|
static void r200SetTexBorderColor( radeonTexObjPtr t, const GLfloat color[4] ) |
{ |
GLubyte c[4]; |
CLAMPED_FLOAT_TO_UBYTE(c[0], color[0]); |
CLAMPED_FLOAT_TO_UBYTE(c[1], color[1]); |
CLAMPED_FLOAT_TO_UBYTE(c[2], color[2]); |
CLAMPED_FLOAT_TO_UBYTE(c[3], color[3]); |
t->pp_border_color = radeonPackColor( 4, c[0], c[1], c[2], c[3] ); |
} |
|
static void r200TexEnv( struct gl_context *ctx, GLenum target, |
GLenum pname, const GLfloat *param ) |
{ |
r200ContextPtr rmesa = R200_CONTEXT(ctx); |
GLuint unit = ctx->Texture.CurrentUnit; |
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
|
radeon_print(RADEON_TEXTURE | RADEON_STATE, RADEON_VERBOSE, "%s( %s )\n", |
__FUNCTION__, _mesa_lookup_enum_by_nr( pname ) ); |
|
/* This is incorrect: Need to maintain this data for each of |
* GL_TEXTURE_{123}D, GL_TEXTURE_RECTANGLE_NV, etc, and switch |
* between them according to _ReallyEnabled. |
*/ |
switch ( pname ) { |
case GL_TEXTURE_ENV_COLOR: { |
GLubyte c[4]; |
GLuint envColor; |
_mesa_unclamped_float_rgba_to_ubyte(c, texUnit->EnvColor); |
envColor = radeonPackColor( 4, c[0], c[1], c[2], c[3] ); |
if ( rmesa->hw.tf.cmd[TF_TFACTOR_0 + unit] != envColor ) { |
R200_STATECHANGE( rmesa, tf ); |
rmesa->hw.tf.cmd[TF_TFACTOR_0 + unit] = envColor; |
} |
break; |
} |
|
case GL_TEXTURE_LOD_BIAS_EXT: { |
GLfloat bias, min; |
GLuint b; |
const int fixed_one = R200_LOD_BIAS_FIXED_ONE; |
|
/* The R200's LOD bias is a signed 2's complement value with a |
* range of -16.0 <= bias < 16.0. |
* |
* NOTE: Add a small bias to the bias for conform mipsel.c test. |
*/ |
bias = *param; |
min = driQueryOptionb (&rmesa->radeon.optionCache, "no_neg_lod_bias") ? |
0.0 : -16.0; |
bias = CLAMP( bias, min, 16.0 ); |
b = ((int)(bias * fixed_one) |
+ R200_LOD_BIAS_CORRECTION) & R200_LOD_BIAS_MASK; |
|
if ( (rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT_X] & R200_LOD_BIAS_MASK) != b ) { |
R200_STATECHANGE( rmesa, tex[unit] ); |
rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT_X] &= ~R200_LOD_BIAS_MASK; |
rmesa->hw.tex[unit].cmd[TEX_PP_TXFORMAT_X] |= b; |
} |
break; |
} |
case GL_COORD_REPLACE_ARB: |
if (ctx->Point.PointSprite) { |
R200_STATECHANGE( rmesa, spr ); |
if ((GLenum)param[0]) { |
rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] |= R200_PS_GEN_TEX_0 << unit; |
} else { |
rmesa->hw.spr.cmd[SPR_POINT_SPRITE_CNTL] &= ~(R200_PS_GEN_TEX_0 << unit); |
} |
} |
break; |
default: |
return; |
} |
} |
|
void r200TexUpdateParameters(struct gl_context *ctx, GLuint unit) |
{ |
struct gl_sampler_object *samp = _mesa_get_samplerobj(ctx, unit); |
radeonTexObj* t = radeon_tex_obj(ctx->Texture.Unit[unit]._Current); |
|
r200SetTexMaxAnisotropy(t , samp->MaxAnisotropy); |
r200SetTexFilter(t, samp->MinFilter, samp->MagFilter); |
r200SetTexWrap(t, samp->WrapS, samp->WrapT, samp->WrapR); |
r200SetTexBorderColor(t, samp->BorderColor.f); |
} |
|
/** |
* Changes variables and flags for a state update, which will happen at the |
* next UpdateTextureState |
*/ |
static void r200TexParameter( struct gl_context *ctx, GLenum target, |
struct gl_texture_object *texObj, |
GLenum pname, const GLfloat *params ) |
{ |
radeonTexObj* t = radeon_tex_obj(texObj); |
|
radeon_print(RADEON_TEXTURE | RADEON_STATE, RADEON_VERBOSE, |
"%s(%p, tex %p) target %s, pname %s\n", |
__FUNCTION__, ctx, texObj, |
_mesa_lookup_enum_by_nr( target ), |
_mesa_lookup_enum_by_nr( pname ) ); |
|
switch ( pname ) { |
case GL_TEXTURE_MIN_FILTER: |
case GL_TEXTURE_MAG_FILTER: |
case GL_TEXTURE_MAX_ANISOTROPY_EXT: |
case GL_TEXTURE_WRAP_S: |
case GL_TEXTURE_WRAP_T: |
case GL_TEXTURE_WRAP_R: |
case GL_TEXTURE_BORDER_COLOR: |
case GL_TEXTURE_BASE_LEVEL: |
case GL_TEXTURE_MAX_LEVEL: |
case GL_TEXTURE_MIN_LOD: |
case GL_TEXTURE_MAX_LOD: |
t->validated = GL_FALSE; |
break; |
|
default: |
return; |
} |
} |
|
|
static void r200DeleteTexture(struct gl_context * ctx, struct gl_texture_object *texObj) |
{ |
r200ContextPtr rmesa = R200_CONTEXT(ctx); |
radeonTexObj* t = radeon_tex_obj(texObj); |
|
radeon_print(RADEON_TEXTURE | RADEON_STATE, RADEON_NORMAL, |
"%s( %p (target = %s) )\n", __FUNCTION__, |
(void *)texObj, |
_mesa_lookup_enum_by_nr(texObj->Target)); |
|
if (rmesa) { |
int i; |
radeon_firevertices(&rmesa->radeon); |
for ( i = 0 ; i < rmesa->radeon.glCtx.Const.MaxTextureUnits ; i++ ) { |
if ( t == rmesa->state.texture.unit[i].texobj ) { |
rmesa->state.texture.unit[i].texobj = NULL; |
rmesa->hw.tex[i].dirty = GL_FALSE; |
rmesa->hw.cube[i].dirty = GL_FALSE; |
} |
} |
} |
|
radeon_miptree_unreference(&t->mt); |
|
_mesa_delete_texture_object(ctx, texObj); |
} |
|
/* Need: |
* - Same GEN_MODE for all active bits |
* - Same EyePlane/ObjPlane for all active bits when using Eye/Obj |
* - STRQ presumably all supported (matrix means incoming R values |
* can end up in STQ, this has implications for vertex support, |
* presumably ok if maos is used, though?) |
* |
* Basically impossible to do this on the fly - just collect some |
* basic info & do the checks from ValidateState(). |
*/ |
static void r200TexGen( struct gl_context *ctx, |
GLenum coord, |
GLenum pname, |
const GLfloat *params ) |
{ |
r200ContextPtr rmesa = R200_CONTEXT(ctx); |
GLuint unit = ctx->Texture.CurrentUnit; |
rmesa->recheck_texgen[unit] = GL_TRUE; |
} |
|
|
/** |
* Allocate a new texture object. |
* Called via ctx->Driver.NewTextureObject. |
* Note: this function will be called during context creation to |
* allocate the default texture objects. |
* Fixup MaxAnisotropy according to user preference. |
*/ |
static struct gl_texture_object *r200NewTextureObject(struct gl_context * ctx, |
GLuint name, |
GLenum target) |
{ |
r200ContextPtr rmesa = R200_CONTEXT(ctx); |
radeonTexObj* t = CALLOC_STRUCT(radeon_tex_obj); |
|
|
radeon_print(RADEON_STATE | RADEON_TEXTURE, RADEON_NORMAL, |
"%s(%p) target %s, new texture %p.\n", |
__FUNCTION__, ctx, |
_mesa_lookup_enum_by_nr(target), t); |
|
_mesa_initialize_texture_object(ctx, &t->base, name, target); |
t->base.Sampler.MaxAnisotropy = rmesa->radeon.initialMaxAnisotropy; |
|
/* Initialize hardware state */ |
r200SetTexWrap( t, t->base.Sampler.WrapS, t->base.Sampler.WrapT, t->base.Sampler.WrapR ); |
r200SetTexMaxAnisotropy( t, t->base.Sampler.MaxAnisotropy ); |
r200SetTexFilter(t, t->base.Sampler.MinFilter, t->base.Sampler.MagFilter); |
r200SetTexBorderColor(t, t->base.Sampler.BorderColor.f); |
|
return &t->base; |
} |
|
static struct gl_sampler_object * |
r200NewSamplerObject(struct gl_context *ctx, GLuint name) |
{ |
r200ContextPtr rmesa = R200_CONTEXT(ctx); |
struct gl_sampler_object *samp = _mesa_new_sampler_object(ctx, name); |
if (samp) |
samp->MaxAnisotropy = rmesa->radeon.initialMaxAnisotropy; |
return samp; |
} |
|
|
|
void r200InitTextureFuncs( radeonContextPtr radeon, struct dd_function_table *functions ) |
{ |
/* Note: we only plug in the functions we implement in the driver |
* since _mesa_init_driver_functions() was already called. |
*/ |
|
radeon_init_common_texture_funcs(radeon, functions); |
|
functions->NewTextureObject = r200NewTextureObject; |
// functions->BindTexture = r200BindTexture; |
functions->DeleteTexture = r200DeleteTexture; |
|
functions->TexEnv = r200TexEnv; |
functions->TexParameter = r200TexParameter; |
functions->TexGen = r200TexGen; |
functions->NewSamplerObject = r200NewSamplerObject; |
} |