| /* |
| Copyright 2000, 2001 ATI Technologies Inc., Ontario, Canada, and |
| VA Linux Systems Inc., Fremont, California. |
| |
| 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, 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: |
| * Gareth Hughes <gareth@valinux.com> |
| * Brian Paul <brianp@valinux.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/mfeatures.h" |
| #include "main/simple_list.h" |
| #include "main/teximage.h" |
| #include "main/texobj.h" |
| |
| #include "radeon_context.h" |
| #include "radeon_mipmap_tree.h" |
| #include "radeon_ioctl.h" |
| #include "radeon_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 radeonSetTexWrap( radeonTexObjPtr t, GLenum swrap, GLenum twrap ) |
| { |
| GLboolean is_clamp = GL_FALSE; |
| GLboolean is_clamp_to_border = GL_FALSE; |
| |
| t->pp_txfilter &= ~(RADEON_CLAMP_S_MASK | RADEON_CLAMP_T_MASK | RADEON_BORDER_MODE_D3D); |
| |
| switch ( swrap ) { |
| case GL_REPEAT: |
| t->pp_txfilter |= RADEON_CLAMP_S_WRAP; |
| break; |
| case GL_CLAMP: |
| t->pp_txfilter |= RADEON_CLAMP_S_CLAMP_GL; |
| is_clamp = GL_TRUE; |
| break; |
| case GL_CLAMP_TO_EDGE: |
| t->pp_txfilter |= RADEON_CLAMP_S_CLAMP_LAST; |
| break; |
| case GL_CLAMP_TO_BORDER: |
| t->pp_txfilter |= RADEON_CLAMP_S_CLAMP_GL; |
| is_clamp_to_border = GL_TRUE; |
| break; |
| case GL_MIRRORED_REPEAT: |
| t->pp_txfilter |= RADEON_CLAMP_S_MIRROR; |
| break; |
| case GL_MIRROR_CLAMP_EXT: |
| t->pp_txfilter |= RADEON_CLAMP_S_MIRROR_CLAMP_GL; |
| is_clamp = GL_TRUE; |
| break; |
| case GL_MIRROR_CLAMP_TO_EDGE_EXT: |
| t->pp_txfilter |= RADEON_CLAMP_S_MIRROR_CLAMP_LAST; |
| break; |
| case GL_MIRROR_CLAMP_TO_BORDER_EXT: |
| t->pp_txfilter |= RADEON_CLAMP_S_MIRROR_CLAMP_GL; |
| is_clamp_to_border = GL_TRUE; |
| break; |
| default: |
| _mesa_problem(NULL, "bad S wrap mode in %s", __FUNCTION__); |
| } |
| |
| if (t->base.Target != GL_TEXTURE_1D) { |
| switch ( twrap ) { |
| case GL_REPEAT: |
| t->pp_txfilter |= RADEON_CLAMP_T_WRAP; |
| break; |
| case GL_CLAMP: |
| t->pp_txfilter |= RADEON_CLAMP_T_CLAMP_GL; |
| is_clamp = GL_TRUE; |
| break; |
| case GL_CLAMP_TO_EDGE: |
| t->pp_txfilter |= RADEON_CLAMP_T_CLAMP_LAST; |
| break; |
| case GL_CLAMP_TO_BORDER: |
| t->pp_txfilter |= RADEON_CLAMP_T_CLAMP_GL; |
| is_clamp_to_border = GL_TRUE; |
| break; |
| case GL_MIRRORED_REPEAT: |
| t->pp_txfilter |= RADEON_CLAMP_T_MIRROR; |
| break; |
| case GL_MIRROR_CLAMP_EXT: |
| t->pp_txfilter |= RADEON_CLAMP_T_MIRROR_CLAMP_GL; |
| is_clamp = GL_TRUE; |
| break; |
| case GL_MIRROR_CLAMP_TO_EDGE_EXT: |
| t->pp_txfilter |= RADEON_CLAMP_T_MIRROR_CLAMP_LAST; |
| break; |
| case GL_MIRROR_CLAMP_TO_BORDER_EXT: |
| t->pp_txfilter |= RADEON_CLAMP_T_MIRROR_CLAMP_GL; |
| is_clamp_to_border = GL_TRUE; |
| break; |
| default: |
| _mesa_problem(NULL, "bad T wrap mode in %s", __FUNCTION__); |
| } |
| } |
| |
| if ( is_clamp_to_border ) { |
| t->pp_txfilter |= RADEON_BORDER_MODE_D3D; |
| } |
| |
| t->border_fallback = (is_clamp && is_clamp_to_border); |
| } |
| |
| static void radeonSetTexMaxAnisotropy( radeonTexObjPtr t, GLfloat max ) |
| { |
| t->pp_txfilter &= ~RADEON_MAX_ANISO_MASK; |
| |
| if ( max == 1.0 ) { |
| t->pp_txfilter |= RADEON_MAX_ANISO_1_TO_1; |
| } else if ( max <= 2.0 ) { |
| t->pp_txfilter |= RADEON_MAX_ANISO_2_TO_1; |
| } else if ( max <= 4.0 ) { |
| t->pp_txfilter |= RADEON_MAX_ANISO_4_TO_1; |
| } else if ( max <= 8.0 ) { |
| t->pp_txfilter |= RADEON_MAX_ANISO_8_TO_1; |
| } else { |
| t->pp_txfilter |= RADEON_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 radeonSetTexFilter( radeonTexObjPtr t, GLenum minf, GLenum magf ) |
| { |
| GLuint anisotropy = (t->pp_txfilter & RADEON_MAX_ANISO_MASK); |
| |
| /* Force revalidation to account for switches from/to mipmapping. */ |
| t->validated = GL_FALSE; |
| |
| t->pp_txfilter &= ~(RADEON_MIN_FILTER_MASK | RADEON_MAG_FILTER_MASK); |
| |
| /* r100 chips can't handle mipmaps/aniso for cubemap/volume textures */ |
| if ( t->base.Target == GL_TEXTURE_CUBE_MAP ) { |
| switch ( minf ) { |
| case GL_NEAREST: |
| case GL_NEAREST_MIPMAP_NEAREST: |
| case GL_NEAREST_MIPMAP_LINEAR: |
| t->pp_txfilter |= RADEON_MIN_FILTER_NEAREST; |
| break; |
| case GL_LINEAR: |
| case GL_LINEAR_MIPMAP_NEAREST: |
| case GL_LINEAR_MIPMAP_LINEAR: |
| t->pp_txfilter |= RADEON_MIN_FILTER_LINEAR; |
| break; |
| default: |
| break; |
| } |
| } |
| else if ( anisotropy == RADEON_MAX_ANISO_1_TO_1 ) { |
| switch ( minf ) { |
| case GL_NEAREST: |
| t->pp_txfilter |= RADEON_MIN_FILTER_NEAREST; |
| break; |
| case GL_LINEAR: |
| t->pp_txfilter |= RADEON_MIN_FILTER_LINEAR; |
| break; |
| case GL_NEAREST_MIPMAP_NEAREST: |
| t->pp_txfilter |= RADEON_MIN_FILTER_NEAREST_MIP_NEAREST; |
| break; |
| case GL_NEAREST_MIPMAP_LINEAR: |
| t->pp_txfilter |= RADEON_MIN_FILTER_LINEAR_MIP_NEAREST; |
| break; |
| case GL_LINEAR_MIPMAP_NEAREST: |
| t->pp_txfilter |= RADEON_MIN_FILTER_NEAREST_MIP_LINEAR; |
| break; |
| case GL_LINEAR_MIPMAP_LINEAR: |
| t->pp_txfilter |= RADEON_MIN_FILTER_LINEAR_MIP_LINEAR; |
| break; |
| } |
| } else { |
| switch ( minf ) { |
| case GL_NEAREST: |
| t->pp_txfilter |= RADEON_MIN_FILTER_ANISO_NEAREST; |
| break; |
| case GL_LINEAR: |
| t->pp_txfilter |= RADEON_MIN_FILTER_ANISO_LINEAR; |
| break; |
| case GL_NEAREST_MIPMAP_NEAREST: |
| case GL_LINEAR_MIPMAP_NEAREST: |
| t->pp_txfilter |= RADEON_MIN_FILTER_ANISO_NEAREST_MIP_NEAREST; |
| break; |
| case GL_NEAREST_MIPMAP_LINEAR: |
| case GL_LINEAR_MIPMAP_LINEAR: |
| t->pp_txfilter |= RADEON_MIN_FILTER_ANISO_NEAREST_MIP_LINEAR; |
| break; |
| } |
| } |
| |
| switch ( magf ) { |
| case GL_NEAREST: |
| t->pp_txfilter |= RADEON_MAG_FILTER_NEAREST; |
| break; |
| case GL_LINEAR: |
| t->pp_txfilter |= RADEON_MAG_FILTER_LINEAR; |
| break; |
| } |
| } |
| |
| static void radeonSetTexBorderColor( 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] ); |
| } |
| |
| #define SCALED_FLOAT_TO_BYTE( x, scale ) \ |
| (((GLuint)((255.0F / scale) * (x))) / 2) |
| |
| static void radeonTexEnv( struct gl_context *ctx, GLenum target, |
| GLenum pname, const GLfloat *param ) |
| { |
| r100ContextPtr rmesa = R100_CONTEXT(ctx); |
| GLuint unit = ctx->Texture.CurrentUnit; |
| struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; |
| |
| if ( RADEON_DEBUG & RADEON_STATE ) { |
| fprintf( stderr, "%s( %s )\n", |
| __FUNCTION__, _mesa_lookup_enum_by_nr( pname ) ); |
| } |
| |
| 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.tex[unit].cmd[TEX_PP_TFACTOR] != envColor ) { |
| RADEON_STATECHANGE( rmesa, tex[unit] ); |
| rmesa->hw.tex[unit].cmd[TEX_PP_TFACTOR] = envColor; |
| } |
| break; |
| } |
| |
| case GL_TEXTURE_LOD_BIAS_EXT: { |
| GLfloat bias, min; |
| GLuint b; |
| |
| /* The Radeon's LOD bias is a signed 2's complement value with a |
| * range of -1.0 <= bias < 4.0. We break this into two linear |
| * functions, one mapping [-1.0,0.0] to [-128,0] and one mapping |
| * [0.0,4.0] to [0,127]. |
| */ |
| min = driQueryOptionb (&rmesa->radeon.optionCache, "no_neg_lod_bias") ? |
| 0.0 : -1.0; |
| bias = CLAMP( *param, min, 4.0 ); |
| if ( bias == 0 ) { |
| b = 0; |
| } else if ( bias > 0 ) { |
| b = ((GLuint)SCALED_FLOAT_TO_BYTE( bias, 4.0 )) << RADEON_LOD_BIAS_SHIFT; |
| } else { |
| b = ((GLuint)SCALED_FLOAT_TO_BYTE( bias, 1.0 )) << RADEON_LOD_BIAS_SHIFT; |
| } |
| if ( (rmesa->hw.tex[unit].cmd[TEX_PP_TXFILTER] & RADEON_LOD_BIAS_MASK) != b ) { |
| RADEON_STATECHANGE( rmesa, tex[unit] ); |
| rmesa->hw.tex[unit].cmd[TEX_PP_TXFILTER] &= ~RADEON_LOD_BIAS_MASK; |
| rmesa->hw.tex[unit].cmd[TEX_PP_TXFILTER] |= (b & RADEON_LOD_BIAS_MASK); |
| } |
| break; |
| } |
| |
| default: |
| return; |
| } |
| } |
| |
| void radeonTexUpdateParameters(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); |
| |
| radeonSetTexMaxAnisotropy(t , samp->MaxAnisotropy); |
| radeonSetTexFilter(t, samp->MinFilter, samp->MagFilter); |
| radeonSetTexWrap(t, samp->WrapS, samp->WrapT); |
| radeonSetTexBorderColor(t, samp->BorderColor.f); |
| } |
| |
| |
| /** |
| * Changes variables and flags for a state update, which will happen at the |
| * next UpdateTextureState |
| */ |
| |
| static void radeonTexParameter( 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_VERBOSE, "%s( %s )\n", __FUNCTION__, |
| _mesa_lookup_enum_by_nr( pname ) ); |
| |
| switch ( pname ) { |
| 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 radeonDeleteTexture( struct gl_context *ctx, |
| struct gl_texture_object *texObj ) |
| { |
| r100ContextPtr rmesa = R100_CONTEXT(ctx); |
| radeonTexObj* t = radeon_tex_obj(texObj); |
| int i; |
| |
| radeon_print(RADEON_TEXTURE, RADEON_NORMAL, |
| "%s( %p (target = %s) )\n", __FUNCTION__, (void *)texObj, |
| _mesa_lookup_enum_by_nr( texObj->Target ) ); |
| |
| if ( rmesa ) { |
| 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); |
| |
| /* Free mipmap images and the texture object itself */ |
| _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 radeonTexGen( struct gl_context *ctx, |
| GLenum coord, |
| GLenum pname, |
| const GLfloat *params ) |
| { |
| r100ContextPtr rmesa = R100_CONTEXT(ctx); |
| GLuint unit = ctx->Texture.CurrentUnit; |
| rmesa->recheck_texgen[unit] = GL_TRUE; |
| } |
| |
| /** |
| * Allocate a new texture object. |
| * Called via ctx->Driver.NewTextureObject. |
| * Note: we could use containment here to 'derive' the driver-specific |
| * texture object from the core mesa gl_texture_object. Not done at this time. |
| */ |
| static struct gl_texture_object * |
| radeonNewTextureObject( struct gl_context *ctx, GLuint name, GLenum target ) |
| { |
| r100ContextPtr rmesa = R100_CONTEXT(ctx); |
| radeonTexObj* t = CALLOC_STRUCT(radeon_tex_obj); |
| |
| _mesa_initialize_texture_object(&t->base, name, target); |
| t->base.Sampler.MaxAnisotropy = rmesa->radeon.initialMaxAnisotropy; |
| |
| t->border_fallback = GL_FALSE; |
| |
| t->pp_txfilter = RADEON_BORDER_MODE_OGL; |
| t->pp_txformat = (RADEON_TXFORMAT_ENDIAN_NO_SWAP | |
| RADEON_TXFORMAT_PERSPECTIVE_ENABLE); |
| |
| radeonSetTexWrap( t, t->base.Sampler.WrapS, t->base.Sampler.WrapT ); |
| radeonSetTexMaxAnisotropy( t, t->base.Sampler.MaxAnisotropy ); |
| radeonSetTexFilter( t, t->base.Sampler.MinFilter, t->base.Sampler.MagFilter ); |
| radeonSetTexBorderColor( t, t->base.Sampler.BorderColor.f ); |
| return &t->base; |
| } |
| |
| |
| static struct gl_sampler_object * |
| radeonNewSamplerObject(struct gl_context *ctx, GLuint name) |
| { |
| r100ContextPtr rmesa = R100_CONTEXT(ctx); |
| struct gl_sampler_object *samp = _mesa_new_sampler_object(ctx, name); |
| if (samp) |
| samp->MaxAnisotropy = rmesa->radeon.initialMaxAnisotropy; |
| return samp; |
| } |
| |
| |
| void radeonInitTextureFuncs( radeonContextPtr radeon, struct dd_function_table *functions ) |
| { |
| radeon_init_common_texture_funcs(radeon, functions); |
| |
| functions->NewTextureObject = radeonNewTextureObject; |
| // functions->BindTexture = radeonBindTexture; |
| functions->DeleteTexture = radeonDeleteTexture; |
| |
| functions->TexEnv = radeonTexEnv; |
| functions->TexParameter = radeonTexParameter; |
| functions->TexGen = radeonTexGen; |
| functions->NewSamplerObject = radeonNewSamplerObject; |
| } |