static void *
svga_create_sampler_state(struct pipe_context *pipe,
const struct pipe_sampler_state *sampler)
{
struct svga_context *svga = svga_context(pipe);
struct svga_sampler_state *cso = CALLOC_STRUCT( svga_sampler_state );
cso->mipfilter = translate_mip_filter(sampler->min_mip_filter);
cso->magfilter = translate_img_filter( sampler->mag_img_filter );
cso->minfilter = translate_img_filter( sampler->min_img_filter );
cso->aniso_level = MAX2( (unsigned) sampler->max_anisotropy, 1 );
cso->lod_bias = sampler->lod_bias;
cso->addressu = translate_wrap_mode(sampler->wrap_s);
cso->addressv = translate_wrap_mode(sampler->wrap_t);
cso->addressw = translate_wrap_mode(sampler->wrap_r);
cso->normalized_coords = sampler->normalized_coords;
cso->compare_mode = sampler->compare_mode;
cso->compare_func = sampler->compare_func;
{
ubyte r = float_to_ubyte(sampler->border_color[0]);
ubyte g = float_to_ubyte(sampler->border_color[1]);
ubyte b = float_to_ubyte(sampler->border_color[2]);
ubyte a = float_to_ubyte(sampler->border_color[3]);
util_pack_color_ub( r, g, b, a,
PIPE_FORMAT_B8G8R8A8_UNORM,
&cso->bordercolor );
}
/* No SVGA3D support for:
* - min/max LOD clamping
*/
cso->min_lod = 0;
cso->view_min_lod = MAX2(sampler->min_lod, 0);
cso->view_max_lod = MAX2(sampler->max_lod, 0);
/* Use min_mipmap */
if (svga->debug.use_min_mipmap) {
if (cso->view_min_lod == cso->view_max_lod) {
cso->min_lod = cso->view_min_lod;
cso->view_min_lod = 0;
cso->view_max_lod = 1000; /* Just a high number */
cso->mipfilter = SVGA3D_TEX_FILTER_NONE;
}
}
SVGA_DBG(DEBUG_VIEWS, "min %u, view(min %u, max %u) lod, mipfilter %s\n",
cso->min_lod, cso->view_min_lod, cso->view_max_lod,
cso->mipfilter == SVGA3D_TEX_FILTER_NONE ? "SVGA3D_TEX_FILTER_NONE" : "SOMETHING");
return cso;
}
static void i915ImportTexObjState( struct gl_texture_object *texObj )
{
i915TextureObjectPtr t = (i915TextureObjectPtr)texObj->DriverData;
int minFilt = 0, mipFilt = 0, magFilt = 0, shadow = 0;
if(INTEL_DEBUG&DEBUG_DRI)
fprintf(stderr, "%s\n", __FUNCTION__);
switch (texObj->MinFilter) {
case GL_NEAREST:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_NONE;
break;
case GL_LINEAR:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_NONE;
break;
case GL_NEAREST_MIPMAP_NEAREST:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_NEAREST;
break;
case GL_LINEAR_MIPMAP_NEAREST:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_NEAREST;
break;
case GL_NEAREST_MIPMAP_LINEAR:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_LINEAR;
break;
case GL_LINEAR_MIPMAP_LINEAR:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_LINEAR;
break;
default:
break;
}
if ( texObj->MaxAnisotropy > 1.0 ) {
minFilt = FILTER_ANISOTROPIC;
magFilt = FILTER_ANISOTROPIC;
}
else {
switch (texObj->MagFilter) {
case GL_NEAREST:
magFilt = FILTER_NEAREST;
break;
case GL_LINEAR:
magFilt = FILTER_LINEAR;
break;
default:
break;
}
}
if (texObj->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB &&
texObj->Target != GL_TEXTURE_3D) {
shadow = SS2_SHADOW_ENABLE;
shadow |= intel_translate_compare_func( texObj->CompareFunc );
minFilt = FILTER_4X4_FLAT;
magFilt = FILTER_4X4_FLAT;
}
t->Setup[I915_TEXREG_SS2] &= ~(SS2_MIN_FILTER_MASK |
SS2_MIP_FILTER_MASK |
SS2_MAG_FILTER_MASK |
SS2_SHADOW_ENABLE |
SS2_SHADOW_FUNC_MASK);
t->Setup[I915_TEXREG_SS2] |= ((minFilt << SS2_MIN_FILTER_SHIFT) |
(mipFilt << SS2_MIP_FILTER_SHIFT) |
(magFilt << SS2_MAG_FILTER_SHIFT) |
shadow);
{
GLuint ss3 = t->Setup[I915_TEXREG_SS3] & ~(SS3_TCX_ADDR_MODE_MASK |
SS3_TCY_ADDR_MODE_MASK |
SS3_TCZ_ADDR_MODE_MASK);
GLenum ws = texObj->WrapS;
GLenum wt = texObj->WrapT;
GLenum wr = texObj->WrapR;
t->refs_border_color = 0;
if (texObj->Target == GL_TEXTURE_3D &&
(texObj->MinFilter != GL_NEAREST ||
texObj->MagFilter != GL_NEAREST)) {
/* Try to mimic GL_CLAMP functionality a little better -
* switch to CLAMP_TO_BORDER whenever a non-NEAREST filter is
* in use. Only do this for 3D textures at the moment --
* doing it universally would fix the conform texbc.c
* failure, though.
*/
if (ws == GL_CLAMP) ws = GL_CLAMP_TO_BORDER;
if (wt == GL_CLAMP) wt = GL_CLAMP_TO_BORDER;
if (wr == GL_CLAMP) wr = GL_CLAMP_TO_BORDER;
/* 3D textures don't seem to respect the border color.
* Fallback if there's ever a danger that they might refer to
* it.
*/
if (ws == GL_CLAMP_TO_BORDER) t->refs_border_color = 1;
if (wt == GL_CLAMP_TO_BORDER) t->refs_border_color = 1;
if (wr == GL_CLAMP_TO_BORDER) t->refs_border_color = 1;
}
ss3 |= translate_wrap_mode(ws) << SS3_TCX_ADDR_MODE_SHIFT;
ss3 |= translate_wrap_mode(wt) << SS3_TCY_ADDR_MODE_SHIFT;
ss3 |= translate_wrap_mode(wr) << SS3_TCZ_ADDR_MODE_SHIFT;
if (ss3 != t->Setup[I915_TEXREG_SS3]) {
t->intel.dirty = I915_UPLOAD_TEX_ALL;
t->Setup[I915_TEXREG_SS3] = ss3;
}
}
{
const GLubyte *color = texObj->_BorderChan;
t->Setup[I915_TEXREG_SS4] = INTEL_PACKCOLOR8888(color[0],color[1],
color[2],color[3]);
}
}
/* Recalculate all state from scratch. Perhaps not the most
* efficient, but this has gotten complex enough that we need
* something which is understandable and reliable.
*/
static GLboolean
i830_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3)
{
GLcontext *ctx = &intel->ctx;
struct i830_context *i830 = i830_context(ctx);
struct gl_texture_object *tObj = ctx->Texture.Unit[unit]._Current;
struct intel_texture_object *intelObj = intel_texture_object(tObj);
struct gl_texture_image *firstImage;
GLuint *state = i830->state.Tex[unit], format, pitch;
memset(state, 0, sizeof(state));
/*We need to refcount these. */
if (i830->state.tex_buffer[unit] != NULL) {
dri_bo_unreference(i830->state.tex_buffer[unit]);
i830->state.tex_buffer[unit] = NULL;
}
if (!intelObj->imageOverride && !intel_finalize_mipmap_tree(intel, unit))
return GL_FALSE;
/* Get first image here, since intelObj->firstLevel will get set in
* the intel_finalize_mipmap_tree() call above.
*/
firstImage = tObj->Image[0][intelObj->firstLevel];
if (intelObj->imageOverride) {
i830->state.tex_buffer[unit] = NULL;
i830->state.tex_offset[unit] = intelObj->textureOffset;
switch (intelObj->depthOverride) {
case 32:
format = MAPSURF_32BIT | MT_32BIT_ARGB8888;
break;
case 24:
default:
format = MAPSURF_32BIT | MT_32BIT_XRGB8888;
break;
case 16:
format = MAPSURF_16BIT | MT_16BIT_RGB565;
break;
}
pitch = intelObj->pitchOverride;
} else {
dri_bo_reference(intelObj->mt->region->buffer);
i830->state.tex_buffer[unit] = intelObj->mt->region->buffer;
i830->state.tex_offset[unit] = intel_miptree_image_offset(intelObj->mt,
0, intelObj->
firstLevel);
format = translate_texture_format(firstImage->TexFormat->MesaFormat);
pitch = intelObj->mt->pitch * intelObj->mt->cpp;
}
state[I830_TEXREG_TM0LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_2 |
(LOAD_TEXTURE_MAP0 << unit) | 4);
/* state[I830_TEXREG_TM0S0] = (TM0S0_USE_FENCE | */
/* t->intel.TextureOffset); */
state[I830_TEXREG_TM0S1] =
(((firstImage->Height - 1) << TM0S1_HEIGHT_SHIFT) |
((firstImage->Width - 1) << TM0S1_WIDTH_SHIFT) | format);
state[I830_TEXREG_TM0S2] =
((((pitch / 4) - 1) << TM0S2_PITCH_SHIFT) | TM0S2_CUBE_FACE_ENA_MASK);
{
if (tObj->Target == GL_TEXTURE_CUBE_MAP)
state[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(unit) |
CUBE_NEGX_ENABLE |
CUBE_POSX_ENABLE |
CUBE_NEGY_ENABLE |
CUBE_POSY_ENABLE |
CUBE_NEGZ_ENABLE | CUBE_POSZ_ENABLE);
else
state[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(unit));
}
{
GLuint minFilt, mipFilt, magFilt;
switch (tObj->MinFilter) {
case GL_NEAREST:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_NONE;
break;
case GL_LINEAR:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_NONE;
break;
case GL_NEAREST_MIPMAP_NEAREST:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_NEAREST;
break;
case GL_LINEAR_MIPMAP_NEAREST:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_NEAREST;
break;
case GL_NEAREST_MIPMAP_LINEAR:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_LINEAR;
break;
case GL_LINEAR_MIPMAP_LINEAR:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_LINEAR;
break;
default:
return GL_FALSE;
}
if (tObj->MaxAnisotropy > 1.0) {
minFilt = FILTER_ANISOTROPIC;
magFilt = FILTER_ANISOTROPIC;
}
else {
switch (tObj->MagFilter) {
case GL_NEAREST:
magFilt = FILTER_NEAREST;
break;
case GL_LINEAR:
magFilt = FILTER_LINEAR;
break;
default:
return GL_FALSE;
}
}
state[I830_TEXREG_TM0S3] = i830->lodbias_tm0s3[unit];
#if 0
/* YUV conversion:
*/
if (firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR ||
firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR_REV)
state[I830_TEXREG_TM0S3] |= SS2_COLORSPACE_CONVERSION;
#endif
state[I830_TEXREG_TM0S3] |= ((intelObj->lastLevel -
intelObj->firstLevel) *
4) << TM0S3_MIN_MIP_SHIFT;
state[I830_TEXREG_TM0S3] |= ((minFilt << TM0S3_MIN_FILTER_SHIFT) |
(mipFilt << TM0S3_MIP_FILTER_SHIFT) |
(magFilt << TM0S3_MAG_FILTER_SHIFT));
}
{
GLenum ws = tObj->WrapS;
GLenum wt = tObj->WrapT;
/* 3D textures not available on i830
*/
if (tObj->Target == GL_TEXTURE_3D)
return GL_FALSE;
state[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD |
MAP_UNIT(unit) |
ENABLE_TEXCOORD_PARAMS |
ss3 |
ENABLE_ADDR_V_CNTL |
TEXCOORD_ADDR_V_MODE(translate_wrap_mode(wt))
| ENABLE_ADDR_U_CNTL |
TEXCOORD_ADDR_U_MODE(translate_wrap_mode
(ws)));
}
state[I830_TEXREG_TM0S4] = INTEL_PACKCOLOR8888(tObj->_BorderChan[0],
tObj->_BorderChan[1],
tObj->_BorderChan[2],
tObj->_BorderChan[3]);
I830_ACTIVESTATE(i830, I830_UPLOAD_TEX(unit), GL_TRUE);
/* memcmp was already disabled, but definitely won't work as the
* region might now change and that wouldn't be detected:
*/
I830_STATECHANGE(i830, I830_UPLOAD_TEX(unit));
return GL_TRUE;
}
static void *
i915_create_sampler_state(struct pipe_context *pipe,
const struct pipe_sampler_state *sampler)
{
struct i915_sampler_state *cso = CALLOC_STRUCT( i915_sampler_state );
const unsigned ws = sampler->wrap_s;
const unsigned wt = sampler->wrap_t;
const unsigned wr = sampler->wrap_r;
unsigned minFilt, magFilt;
unsigned mipFilt;
cso->templ = *sampler;
mipFilt = translate_mip_filter(sampler->min_mip_filter);
minFilt = translate_img_filter( sampler->min_img_filter );
magFilt = translate_img_filter( sampler->mag_img_filter );
if (sampler->max_anisotropy > 1)
minFilt = magFilt = FILTER_ANISOTROPIC;
if (sampler->max_anisotropy > 2) {
cso->state[0] |= SS2_MAX_ANISO_4;
}
{
int b = (int) (sampler->lod_bias * 16.0);
b = CLAMP(b, -256, 255);
cso->state[0] |= ((b << SS2_LOD_BIAS_SHIFT) & SS2_LOD_BIAS_MASK);
}
/* Shadow:
*/
if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE)
{
cso->state[0] |= (SS2_SHADOW_ENABLE |
i915_translate_shadow_compare_func(sampler->compare_func));
minFilt = FILTER_4X4_FLAT;
magFilt = FILTER_4X4_FLAT;
}
cso->state[0] |= ((minFilt << SS2_MIN_FILTER_SHIFT) |
(mipFilt << SS2_MIP_FILTER_SHIFT) |
(magFilt << SS2_MAG_FILTER_SHIFT));
cso->state[1] |=
((translate_wrap_mode(ws) << SS3_TCX_ADDR_MODE_SHIFT) |
(translate_wrap_mode(wt) << SS3_TCY_ADDR_MODE_SHIFT) |
(translate_wrap_mode(wr) << SS3_TCZ_ADDR_MODE_SHIFT));
if (sampler->normalized_coords)
cso->state[1] |= SS3_NORMALIZED_COORDS;
{
int minlod = (int) (16.0 * sampler->min_lod);
int maxlod = (int) (16.0 * sampler->max_lod);
minlod = CLAMP(minlod, 0, 16 * 11);
maxlod = CLAMP(maxlod, 0, 16 * 11);
if (minlod > maxlod)
maxlod = minlod;
cso->minlod = minlod;
cso->maxlod = maxlod;
}
{
ubyte r = float_to_ubyte(sampler->border_color.f[0]);
ubyte g = float_to_ubyte(sampler->border_color.f[1]);
ubyte b = float_to_ubyte(sampler->border_color.f[2]);
ubyte a = float_to_ubyte(sampler->border_color.f[3]);
cso->state[2] = I915PACKCOLOR8888(r, g, b, a);
}
return cso;
}
/* Recalculate all state from scratch. Perhaps not the most
* efficient, but this has gotten complex enough that we need
* something which is understandable and reliable.
*/
static GLboolean
i915_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3)
{
struct gl_context *ctx = &intel->ctx;
struct i915_context *i915 = i915_context(ctx);
struct gl_texture_unit *tUnit = &ctx->Texture.Unit[unit];
struct gl_texture_object *tObj = tUnit->_Current;
struct intel_texture_object *intelObj = intel_texture_object(tObj);
struct gl_texture_image *firstImage;
GLuint *state = i915->state.Tex[unit], format, pitch;
GLint lodbias, aniso = 0;
GLubyte border[4];
GLfloat maxlod;
memset(state, 0, sizeof(state));
/*We need to refcount these. */
if (i915->state.tex_buffer[unit] != NULL) {
drm_intel_bo_unreference(i915->state.tex_buffer[unit]);
i915->state.tex_buffer[unit] = NULL;
}
if (!intel_finalize_mipmap_tree(intel, unit))
return GL_FALSE;
/* Get first image here, since intelObj->firstLevel will get set in
* the intel_finalize_mipmap_tree() call above.
*/
firstImage = tObj->Image[0][intelObj->firstLevel];
drm_intel_bo_reference(intelObj->mt->region->buffer);
i915->state.tex_buffer[unit] = intelObj->mt->region->buffer;
i915->state.tex_offset[unit] = 0; /* Always the origin of the miptree */
format = translate_texture_format(firstImage->TexFormat,
firstImage->InternalFormat,
tObj->DepthMode);
pitch = intelObj->mt->region->pitch * intelObj->mt->cpp;
state[I915_TEXREG_MS3] =
(((firstImage->Height - 1) << MS3_HEIGHT_SHIFT) |
((firstImage->Width - 1) << MS3_WIDTH_SHIFT) | format);
if (intelObj->mt->region->tiling != I915_TILING_NONE) {
state[I915_TEXREG_MS3] |= MS3_TILED_SURFACE;
if (intelObj->mt->region->tiling == I915_TILING_Y)
state[I915_TEXREG_MS3] |= MS3_TILE_WALK;
}
/* We get one field with fraction bits for the maximum addressable
* (lowest resolution) LOD. Use it to cover both MAX_LEVEL and
* MAX_LOD.
*/
maxlod = MIN2(tObj->MaxLod, tObj->_MaxLevel - tObj->BaseLevel);
state[I915_TEXREG_MS4] =
((((pitch / 4) - 1) << MS4_PITCH_SHIFT) |
MS4_CUBE_FACE_ENA_MASK |
(U_FIXED(CLAMP(maxlod, 0.0, 11.0), 2) << MS4_MAX_LOD_SHIFT) |
((firstImage->Depth - 1) << MS4_VOLUME_DEPTH_SHIFT));
{
GLuint minFilt, mipFilt, magFilt;
switch (tObj->MinFilter) {
case GL_NEAREST:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_NONE;
break;
case GL_LINEAR:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_NONE;
break;
case GL_NEAREST_MIPMAP_NEAREST:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_NEAREST;
break;
case GL_LINEAR_MIPMAP_NEAREST:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_NEAREST;
break;
case GL_NEAREST_MIPMAP_LINEAR:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_LINEAR;
break;
case GL_LINEAR_MIPMAP_LINEAR:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_LINEAR;
break;
default:
return GL_FALSE;
}
if (tObj->MaxAnisotropy > 1.0) {
minFilt = FILTER_ANISOTROPIC;
magFilt = FILTER_ANISOTROPIC;
if (tObj->MaxAnisotropy > 2.0)
aniso = SS2_MAX_ANISO_4;
else
aniso = SS2_MAX_ANISO_2;
}
else {
switch (tObj->MagFilter) {
case GL_NEAREST:
magFilt = FILTER_NEAREST;
break;
case GL_LINEAR:
magFilt = FILTER_LINEAR;
break;
default:
return GL_FALSE;
}
}
lodbias = (int) ((tUnit->LodBias + tObj->LodBias) * 16.0);
if (lodbias < -256)
lodbias = -256;
if (lodbias > 255)
lodbias = 255;
state[I915_TEXREG_SS2] = ((lodbias << SS2_LOD_BIAS_SHIFT) &
SS2_LOD_BIAS_MASK);
/* YUV conversion:
*/
if (firstImage->TexFormat == MESA_FORMAT_YCBCR ||
firstImage->TexFormat == MESA_FORMAT_YCBCR_REV)
state[I915_TEXREG_SS2] |= SS2_COLORSPACE_CONVERSION;
/* Shadow:
*/
if (tObj->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB &&
tObj->Target != GL_TEXTURE_3D) {
if (tObj->Target == GL_TEXTURE_1D)
return GL_FALSE;
state[I915_TEXREG_SS2] |=
(SS2_SHADOW_ENABLE |
intel_translate_shadow_compare_func(tObj->CompareFunc));
minFilt = FILTER_4X4_FLAT;
magFilt = FILTER_4X4_FLAT;
}
state[I915_TEXREG_SS2] |= ((minFilt << SS2_MIN_FILTER_SHIFT) |
(mipFilt << SS2_MIP_FILTER_SHIFT) |
(magFilt << SS2_MAG_FILTER_SHIFT) |
aniso);
}
{
GLenum ws = tObj->WrapS;
GLenum wt = tObj->WrapT;
GLenum wr = tObj->WrapR;
float minlod;
/* We program 1D textures as 2D textures, so the 2D texcoord could
* result in sampling border values if we don't set the T wrap to
* repeat.
*/
if (tObj->Target == GL_TEXTURE_1D)
wt = GL_REPEAT;
/* 3D textures don't seem to respect the border color.
* Fallback if there's ever a danger that they might refer to
* it.
*
* Effectively this means fallback on 3D clamp or
* clamp_to_border.
*/
if (tObj->Target == GL_TEXTURE_3D &&
(tObj->MinFilter != GL_NEAREST ||
tObj->MagFilter != GL_NEAREST) &&
(ws == GL_CLAMP ||
wt == GL_CLAMP ||
wr == GL_CLAMP ||
ws == GL_CLAMP_TO_BORDER ||
wt == GL_CLAMP_TO_BORDER || wr == GL_CLAMP_TO_BORDER))
return GL_FALSE;
/* Only support TEXCOORDMODE_CLAMP_EDGE and TEXCOORDMODE_CUBE (not
* used) when using cube map texture coordinates
*/
if (tObj->Target == GL_TEXTURE_CUBE_MAP_ARB &&
(((ws != GL_CLAMP) && (ws != GL_CLAMP_TO_EDGE)) ||
((wt != GL_CLAMP) && (wt != GL_CLAMP_TO_EDGE))))
return GL_FALSE;
state[I915_TEXREG_SS3] = ss3; /* SS3_NORMALIZED_COORDS */
state[I915_TEXREG_SS3] |=
((translate_wrap_mode(ws) << SS3_TCX_ADDR_MODE_SHIFT) |
(translate_wrap_mode(wt) << SS3_TCY_ADDR_MODE_SHIFT) |
(translate_wrap_mode(wr) << SS3_TCZ_ADDR_MODE_SHIFT));
minlod = MIN2(tObj->MinLod, tObj->_MaxLevel - tObj->BaseLevel);
state[I915_TEXREG_SS3] |= (unit << SS3_TEXTUREMAP_INDEX_SHIFT);
state[I915_TEXREG_SS3] |= (U_FIXED(CLAMP(minlod, 0.0, 11.0), 4) <<
SS3_MIN_LOD_SHIFT);
}
/* convert border color from float to ubyte */
CLAMPED_FLOAT_TO_UBYTE(border[0], tObj->BorderColor.f[0]);
CLAMPED_FLOAT_TO_UBYTE(border[1], tObj->BorderColor.f[1]);
CLAMPED_FLOAT_TO_UBYTE(border[2], tObj->BorderColor.f[2]);
CLAMPED_FLOAT_TO_UBYTE(border[3], tObj->BorderColor.f[3]);
if (firstImage->_BaseFormat == GL_DEPTH_COMPONENT) {
/* GL specs that border color for depth textures is taken from the
* R channel, while the hardware uses A. Spam R into all the channels
* for safety.
*/
state[I915_TEXREG_SS4] = PACK_COLOR_8888(border[0],
border[0],
border[0],
border[0]);
} else {
state[I915_TEXREG_SS4] = PACK_COLOR_8888(border[3],
border[0],
border[1],
border[2]);
}
I915_ACTIVESTATE(i915, I915_UPLOAD_TEX(unit), GL_TRUE);
/* memcmp was already disabled, but definitely won't work as the
* region might now change and that wouldn't be detected:
*/
I915_STATECHANGE(i915, I915_UPLOAD_TEX(unit));
#if 0
DBG(TEXTURE, "state[I915_TEXREG_SS2] = 0x%x\n", state[I915_TEXREG_SS2]);
DBG(TEXTURE, "state[I915_TEXREG_SS3] = 0x%x\n", state[I915_TEXREG_SS3]);
DBG(TEXTURE, "state[I915_TEXREG_SS4] = 0x%x\n", state[I915_TEXREG_SS4]);
DBG(TEXTURE, "state[I915_TEXREG_MS2] = 0x%x\n", state[I915_TEXREG_MS2]);
DBG(TEXTURE, "state[I915_TEXREG_MS3] = 0x%x\n", state[I915_TEXREG_MS3]);
DBG(TEXTURE, "state[I915_TEXREG_MS4] = 0x%x\n", state[I915_TEXREG_MS4]);
#endif
return GL_TRUE;
}
/**
* Sets the sampler state for a single unit.
*/
static void
gen7_update_sampler_state(struct brw_context *brw, int unit,
struct gen7_sampler_state *sampler)
{
struct intel_context *intel = &brw->intel;
struct gl_context *ctx = &intel->ctx;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
struct gl_texture_object *texObj = texUnit->_Current;
struct gl_sampler_object *gl_sampler = _mesa_get_samplerobj(ctx, unit);
bool using_nearest = false;
switch (gl_sampler->MinFilter) {
case GL_NEAREST:
sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST;
sampler->ss0.mip_filter = BRW_MIPFILTER_NONE;
using_nearest = true;
break;
case GL_LINEAR:
sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR;
sampler->ss0.mip_filter = BRW_MIPFILTER_NONE;
break;
case GL_NEAREST_MIPMAP_NEAREST:
sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST;
sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST;
break;
case GL_LINEAR_MIPMAP_NEAREST:
sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR;
sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST;
break;
case GL_NEAREST_MIPMAP_LINEAR:
sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST;
sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR;
break;
case GL_LINEAR_MIPMAP_LINEAR:
sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR;
sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR;
break;
default:
break;
}
/* Set Anisotropy: */
if (gl_sampler->MaxAnisotropy > 1.0) {
sampler->ss0.min_filter = BRW_MAPFILTER_ANISOTROPIC;
sampler->ss0.mag_filter = BRW_MAPFILTER_ANISOTROPIC;
if (gl_sampler->MaxAnisotropy > 2.0) {
sampler->ss3.max_aniso = MIN2((gl_sampler->MaxAnisotropy - 2) / 2,
BRW_ANISORATIO_16);
}
}
else {
switch (gl_sampler->MagFilter) {
case GL_NEAREST:
sampler->ss0.mag_filter = BRW_MAPFILTER_NEAREST;
using_nearest = true;
break;
case GL_LINEAR:
sampler->ss0.mag_filter = BRW_MAPFILTER_LINEAR;
break;
default:
break;
}
}
sampler->ss3.r_wrap_mode = translate_wrap_mode(gl_sampler->WrapR,
using_nearest);
sampler->ss3.s_wrap_mode = translate_wrap_mode(gl_sampler->WrapS,
using_nearest);
sampler->ss3.t_wrap_mode = translate_wrap_mode(gl_sampler->WrapT,
using_nearest);
/* Cube-maps on 965 and later must use the same wrap mode for all 3
* coordinate dimensions. Futher, only CUBE and CLAMP are valid.
*/
if (texObj->Target == GL_TEXTURE_CUBE_MAP) {
if (ctx->Texture.CubeMapSeamless &&
(gl_sampler->MinFilter != GL_NEAREST ||
gl_sampler->MagFilter != GL_NEAREST)) {
sampler->ss3.r_wrap_mode = BRW_TEXCOORDMODE_CUBE;
sampler->ss3.s_wrap_mode = BRW_TEXCOORDMODE_CUBE;
sampler->ss3.t_wrap_mode = BRW_TEXCOORDMODE_CUBE;
} else {
sampler->ss3.r_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
sampler->ss3.s_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
sampler->ss3.t_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
}
} else if (texObj->Target == GL_TEXTURE_1D) {
/* There's a bug in 1D texture sampling - it actually pays
* attention to the wrap_t value, though it should not.
* Override the wrap_t value here to GL_REPEAT to keep
* any nonexistent border pixels from floating in.
*/
sampler->ss3.t_wrap_mode = BRW_TEXCOORDMODE_WRAP;
}
/* Set shadow function: */
if (gl_sampler->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) {
/* Shadowing is "enabled" by emitting a particular sampler
* message (sample_c). So need to recompile WM program when
* shadow comparison is enabled on each/any texture unit.
*/
sampler->ss1.shadow_function =
intel_translate_shadow_compare_func(gl_sampler->CompareFunc);
}
/* Set LOD bias: */
sampler->ss0.lod_bias = S_FIXED(CLAMP(texUnit->LodBias +
gl_sampler->LodBias, -16, 15), 8);
sampler->ss0.lod_preclamp = 1; /* OpenGL mode */
sampler->ss0.default_color_mode = 0; /* OpenGL/DX10 mode */
/* Set BaseMipLevel, MaxLOD, MinLOD:
*
* XXX: I don't think that using firstLevel, lastLevel works,
* because we always setup the surface state as if firstLevel ==
* level zero. Probably have to subtract firstLevel from each of
* these:
*/
sampler->ss0.base_level = U_FIXED(0, 1);
sampler->ss1.max_lod = U_FIXED(CLAMP(gl_sampler->MaxLod, 0, 13), 8);
sampler->ss1.min_lod = U_FIXED(CLAMP(gl_sampler->MinLod, 0, 13), 8);
upload_default_color(brw, gl_sampler, unit);
sampler->ss2.default_color_pointer = brw->wm.sdc_offset[unit] >> 5;
}
static void brw_update_sampler_state( const struct pipe_sampler_state *pipe_sampler,
unsigned sdc_gs_offset,
struct brw_sampler_state *sampler)
{
memset(sampler, 0, sizeof(*sampler));
switch (pipe_sampler->min_mip_filter) {
case PIPE_TEX_FILTER_NEAREST:
sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST;
break;
case PIPE_TEX_FILTER_LINEAR:
sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR;
break;
case PIPE_TEX_FILTER_ANISO:
sampler->ss0.min_filter = BRW_MAPFILTER_ANISOTROPIC;
break;
default:
break;
}
switch (pipe_sampler->min_mip_filter) {
case PIPE_TEX_MIPFILTER_NEAREST:
sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST;
break;
case PIPE_TEX_MIPFILTER_LINEAR:
sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR;
break;
case PIPE_TEX_MIPFILTER_NONE:
sampler->ss0.mip_filter = BRW_MIPFILTER_NONE;
break;
default:
break;
}
/* Set Anisotropy:
*/
switch (pipe_sampler->mag_img_filter) {
case PIPE_TEX_FILTER_NEAREST:
sampler->ss0.mag_filter = BRW_MAPFILTER_NEAREST;
break;
case PIPE_TEX_FILTER_LINEAR:
sampler->ss0.mag_filter = BRW_MAPFILTER_LINEAR;
break;
case PIPE_TEX_FILTER_ANISO:
sampler->ss0.mag_filter = BRW_MAPFILTER_LINEAR;
break;
default:
break;
}
if (pipe_sampler->max_anisotropy > 2.0) {
sampler->ss3.max_aniso = MAX2((pipe_sampler->max_anisotropy - 2) / 2,
BRW_ANISORATIO_16);
}
sampler->ss1.s_wrap_mode = translate_wrap_mode(pipe_sampler->wrap_s);
sampler->ss1.r_wrap_mode = translate_wrap_mode(pipe_sampler->wrap_r);
sampler->ss1.t_wrap_mode = translate_wrap_mode(pipe_sampler->wrap_t);
/* Fulsim complains if I don't do this. Hardware doesn't mind:
*/
#if 0
if (texObj->Target == GL_TEXTURE_CUBE_MAP_ARB) {
sampler->ss1.r_wrap_mode = BRW_TEXCOORDMODE_CUBE;
sampler->ss1.s_wrap_mode = BRW_TEXCOORDMODE_CUBE;
sampler->ss1.t_wrap_mode = BRW_TEXCOORDMODE_CUBE;
}
#endif
/* Set shadow function:
*/
if (pipe_sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE) {
/* Shadowing is "enabled" by emitting a particular sampler
* message (sample_c). So need to recompile WM program when
* shadow comparison is enabled on each/any texture unit.
*/
sampler->ss0.shadow_function = intel_translate_shadow_compare_func(pipe_sampler->compare_func);
}
/* Set LOD bias:
*/
sampler->ss0.lod_bias = S_FIXED(CLAMP(pipe_sampler->lod_bias, -16, 15), 6);
sampler->ss0.lod_preclamp = 1; /* OpenGL mode */
sampler->ss0.default_color_mode = 0; /* OpenGL/DX10 mode */
/* Set BaseMipLevel, MaxLOD, MinLOD:
*
* XXX: I don't think that using firstLevel, lastLevel works,
* because we always setup the surface state as if firstLevel ==
* level zero. Probably have to subtract firstLevel from each of
* these:
*/
sampler->ss0.base_level = U_FIXED(0, 1);
sampler->ss1.max_lod = U_FIXED(MIN2(MAX2(pipe_sampler->max_lod, 0), 13), 6);
sampler->ss1.min_lod = U_FIXED(MIN2(MAX2(pipe_sampler->min_lod, 0), 13), 6);
sampler->ss2.default_color_pointer = sdc_gs_offset >> 5;
}
/**
* Sets the sampler state for a single unit.
*/
static void
gen7_update_sampler_state(struct brw_context *brw, int unit, int ss_index,
struct gen7_sampler_state *sampler,
uint32_t *sdc_offset)
{
struct gl_context *ctx = &brw->ctx;
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
struct gl_texture_object *texObj = texUnit->_Current;
struct gl_sampler_object *gl_sampler = _mesa_get_samplerobj(ctx, unit);
bool using_nearest = false;
/* These don't use samplers at all. */
if (texObj->Target == GL_TEXTURE_BUFFER)
return;
switch (gl_sampler->MinFilter) {
case GL_NEAREST:
sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST;
sampler->ss0.mip_filter = BRW_MIPFILTER_NONE;
using_nearest = true;
break;
case GL_LINEAR:
sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR;
sampler->ss0.mip_filter = BRW_MIPFILTER_NONE;
break;
case GL_NEAREST_MIPMAP_NEAREST:
sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST;
sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST;
break;
case GL_LINEAR_MIPMAP_NEAREST:
sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR;
sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST;
break;
case GL_NEAREST_MIPMAP_LINEAR:
sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST;
sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR;
break;
case GL_LINEAR_MIPMAP_LINEAR:
sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR;
sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR;
break;
default:
break;
}
/* Set Anisotropy: */
if (gl_sampler->MaxAnisotropy > 1.0) {
sampler->ss0.min_filter = BRW_MAPFILTER_ANISOTROPIC;
sampler->ss0.mag_filter = BRW_MAPFILTER_ANISOTROPIC;
sampler->ss0.aniso_algorithm = 1;
if (gl_sampler->MaxAnisotropy > 2.0) {
sampler->ss3.max_aniso = MIN2((gl_sampler->MaxAnisotropy - 2) / 2,
BRW_ANISORATIO_16);
}
}
else {
switch (gl_sampler->MagFilter) {
case GL_NEAREST:
sampler->ss0.mag_filter = BRW_MAPFILTER_NEAREST;
using_nearest = true;
break;
case GL_LINEAR:
sampler->ss0.mag_filter = BRW_MAPFILTER_LINEAR;
break;
default:
break;
}
}
sampler->ss3.r_wrap_mode = translate_wrap_mode(gl_sampler->WrapR,
using_nearest);
sampler->ss3.s_wrap_mode = translate_wrap_mode(gl_sampler->WrapS,
using_nearest);
sampler->ss3.t_wrap_mode = translate_wrap_mode(gl_sampler->WrapT,
using_nearest);
/* Cube-maps on 965 and later must use the same wrap mode for all 3
* coordinate dimensions. Futher, only CUBE and CLAMP are valid.
*/
if (texObj->Target == GL_TEXTURE_CUBE_MAP ||
texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY) {
if ((ctx->Texture.CubeMapSeamless || gl_sampler->CubeMapSeamless) &&
(gl_sampler->MinFilter != GL_NEAREST ||
gl_sampler->MagFilter != GL_NEAREST)) {
sampler->ss3.r_wrap_mode = BRW_TEXCOORDMODE_CUBE;
sampler->ss3.s_wrap_mode = BRW_TEXCOORDMODE_CUBE;
sampler->ss3.t_wrap_mode = BRW_TEXCOORDMODE_CUBE;
} else {
sampler->ss3.r_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
sampler->ss3.s_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
sampler->ss3.t_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
}
} else if (texObj->Target == GL_TEXTURE_1D) {
/* There's a bug in 1D texture sampling - it actually pays
* attention to the wrap_t value, though it should not.
* Override the wrap_t value here to GL_REPEAT to keep
* any nonexistent border pixels from floating in.
*/
sampler->ss3.t_wrap_mode = BRW_TEXCOORDMODE_WRAP;
}
/* Set shadow function: */
if (gl_sampler->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) {
/* Shadowing is "enabled" by emitting a particular sampler
* message (sample_c). So need to recompile WM program when
* shadow comparison is enabled on each/any texture unit.
*/
sampler->ss1.shadow_function =
intel_translate_shadow_compare_func(gl_sampler->CompareFunc);
}
/* Set LOD bias: */
sampler->ss0.lod_bias = S_FIXED(CLAMP(texUnit->LodBias +
gl_sampler->LodBias, -16, 15), 8);
sampler->ss0.lod_preclamp = 1; /* OpenGL mode */
sampler->ss0.default_color_mode = 0; /* OpenGL/DX10 mode */
sampler->ss0.base_level = U_FIXED(0, 1);
sampler->ss1.max_lod = U_FIXED(CLAMP(gl_sampler->MaxLod, 0, 13), 8);
sampler->ss1.min_lod = U_FIXED(CLAMP(gl_sampler->MinLod, 0, 13), 8);
/* The sampler can handle non-normalized texture rectangle coordinates
* natively
*/
if (texObj->Target == GL_TEXTURE_RECTANGLE) {
sampler->ss3.non_normalized_coord = 1;
}
upload_default_color(brw, gl_sampler, unit, sdc_offset);
sampler->ss2.default_color_pointer = *sdc_offset >> 5;
if (sampler->ss0.min_filter != BRW_MAPFILTER_NEAREST)
sampler->ss3.address_round |= BRW_ADDRESS_ROUNDING_ENABLE_U_MIN |
BRW_ADDRESS_ROUNDING_ENABLE_V_MIN |
BRW_ADDRESS_ROUNDING_ENABLE_R_MIN;
if (sampler->ss0.mag_filter != BRW_MAPFILTER_NEAREST)
sampler->ss3.address_round |= BRW_ADDRESS_ROUNDING_ENABLE_U_MAG |
BRW_ADDRESS_ROUNDING_ENABLE_V_MAG |
BRW_ADDRESS_ROUNDING_ENABLE_R_MAG;
}
/* Recalculate all state from scratch. Perhaps not the most
* efficient, but this has gotten complex enough that we need
* something which is understandable and reliable.
*/
static bool
i915_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3)
{
struct gl_context *ctx = &intel->ctx;
struct i915_context *i915 = i915_context(ctx);
struct gl_texture_unit *tUnit = &ctx->Texture.Unit[unit];
struct gl_texture_object *tObj = tUnit->_Current;
struct intel_texture_object *intelObj = intel_texture_object(tObj);
struct gl_texture_image *firstImage;
struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit);
GLuint *state = i915->state.Tex[unit], format, pitch;
GLint lodbias, aniso = 0;
GLubyte border[4];
GLfloat maxlod;
memset(state, 0, sizeof(state));
/*We need to refcount these. */
if (i915->state.tex_buffer[unit] != NULL) {
drm_intel_bo_unreference(i915->state.tex_buffer[unit]);
i915->state.tex_buffer[unit] = NULL;
}
if (!intel_finalize_mipmap_tree(intel, unit))
return false;
/* Get first image here, since intelObj->firstLevel will get set in
* the intel_finalize_mipmap_tree() call above.
*/
firstImage = tObj->Image[0][tObj->BaseLevel];
drm_intel_bo_reference(intelObj->mt->region->bo);
i915->state.tex_buffer[unit] = intelObj->mt->region->bo;
i915->state.tex_offset[unit] = intelObj->mt->offset;
format = translate_texture_format(firstImage->TexFormat,
tObj->DepthMode);
pitch = intelObj->mt->region->pitch * intelObj->mt->cpp;
state[I915_TEXREG_MS3] =
(((firstImage->Height - 1) << MS3_HEIGHT_SHIFT) |
((firstImage->Width - 1) << MS3_WIDTH_SHIFT) | format);
if (intelObj->mt->region->tiling != I915_TILING_NONE) {
state[I915_TEXREG_MS3] |= MS3_TILED_SURFACE;
if (intelObj->mt->region->tiling == I915_TILING_Y)
state[I915_TEXREG_MS3] |= MS3_TILE_WALK;
}
/* We get one field with fraction bits for the maximum addressable
* (lowest resolution) LOD. Use it to cover both MAX_LEVEL and
* MAX_LOD.
*/
maxlod = MIN2(sampler->MaxLod, tObj->_MaxLevel - tObj->BaseLevel);
state[I915_TEXREG_MS4] =
((((pitch / 4) - 1) << MS4_PITCH_SHIFT) |
MS4_CUBE_FACE_ENA_MASK |
(U_FIXED(CLAMP(maxlod, 0.0, 11.0), 2) << MS4_MAX_LOD_SHIFT) |
((firstImage->Depth - 1) << MS4_VOLUME_DEPTH_SHIFT));
{
GLuint minFilt, mipFilt, magFilt;
switch (sampler->MinFilter) {
case GL_NEAREST:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_NONE;
break;
case GL_LINEAR:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_NONE;
break;
case GL_NEAREST_MIPMAP_NEAREST:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_NEAREST;
break;
case GL_LINEAR_MIPMAP_NEAREST:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_NEAREST;
break;
case GL_NEAREST_MIPMAP_LINEAR:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_LINEAR;
break;
case GL_LINEAR_MIPMAP_LINEAR:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_LINEAR;
break;
default:
return false;
}
if (sampler->MaxAnisotropy > 1.0) {
minFilt = FILTER_ANISOTROPIC;
magFilt = FILTER_ANISOTROPIC;
if (sampler->MaxAnisotropy > 2.0)
aniso = SS2_MAX_ANISO_4;
else
aniso = SS2_MAX_ANISO_2;
}
else {
switch (sampler->MagFilter) {
case GL_NEAREST:
magFilt = FILTER_NEAREST;
break;
case GL_LINEAR:
magFilt = FILTER_LINEAR;
break;
default:
return false;
}
}
lodbias = (int) ((tUnit->LodBias + sampler->LodBias) * 16.0);
if (lodbias < -256)
lodbias = -256;
if (lodbias > 255)
lodbias = 255;
state[I915_TEXREG_SS2] = ((lodbias << SS2_LOD_BIAS_SHIFT) &
SS2_LOD_BIAS_MASK);
/* YUV conversion:
*/
if (firstImage->TexFormat == MESA_FORMAT_YCBCR ||
firstImage->TexFormat == MESA_FORMAT_YCBCR_REV)
state[I915_TEXREG_SS2] |= SS2_COLORSPACE_CONVERSION;
/* Shadow:
*/
if (sampler->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB &&
tObj->Target != GL_TEXTURE_3D) {
if (tObj->Target == GL_TEXTURE_1D)
return false;
state[I915_TEXREG_SS2] |=
(SS2_SHADOW_ENABLE |
intel_translate_shadow_compare_func(sampler->CompareFunc));
minFilt = FILTER_4X4_FLAT;
magFilt = FILTER_4X4_FLAT;
}
state[I915_TEXREG_SS2] |= ((minFilt << SS2_MIN_FILTER_SHIFT) |
(mipFilt << SS2_MIP_FILTER_SHIFT) |
(magFilt << SS2_MAG_FILTER_SHIFT) |
aniso);
}
{
GLenum ws = sampler->WrapS;
GLenum wt = sampler->WrapT;
GLenum wr = sampler->WrapR;
float minlod;
/* We program 1D textures as 2D textures, so the 2D texcoord could
* result in sampling border values if we don't set the T wrap to
* repeat.
*/
if (tObj->Target == GL_TEXTURE_1D)
wt = GL_REPEAT;
/* 3D textures don't seem to respect the border color.
* Fallback if there's ever a danger that they might refer to
* it.
*
* Effectively this means fallback on 3D clamp or
* clamp_to_border.
*/
if (tObj->Target == GL_TEXTURE_3D &&
(sampler->MinFilter != GL_NEAREST ||
sampler->MagFilter != GL_NEAREST) &&
(ws == GL_CLAMP ||
wt == GL_CLAMP ||
wr == GL_CLAMP ||
ws == GL_CLAMP_TO_BORDER ||
wt == GL_CLAMP_TO_BORDER || wr == GL_CLAMP_TO_BORDER))
return false;
/* Only support TEXCOORDMODE_CLAMP_EDGE and TEXCOORDMODE_CUBE (not
* used) when using cube map texture coordinates
*/
if (tObj->Target == GL_TEXTURE_CUBE_MAP_ARB &&
(((ws != GL_CLAMP) && (ws != GL_CLAMP_TO_EDGE)) ||
((wt != GL_CLAMP) && (wt != GL_CLAMP_TO_EDGE))))
return false;
/*
* According to 3DSTATE_MAP_STATE at page of 104 in Bspec
* Vol3d 3D Instructions:
* [DevGDG and DevAlv]: Must be a power of 2 for cube maps.
* [DevLPT, DevCST and DevBLB]: If not a power of 2, cube maps
* must have all faces enabled.
*
* But, as I tested on pineview(DevBLB derived), the rendering is
* bad(you will find the color isn't samplered right in some
* fragments). After checking, it seems that the texture layout is
* wrong: making the width and height align of 4(although this
* doesn't make much sense) will fix this issue and also broke some
* others. Well, Bspec mentioned nothing about the layout alignment
* and layout for NPOT cube map. I guess the Bspec just assume it's
* a POT cube map.
*
* Thus, I guess we need do this for other platforms as well.
*/
if (tObj->Target == GL_TEXTURE_CUBE_MAP_ARB &&
!is_power_of_two(firstImage->Height))
return false;
state[I915_TEXREG_SS3] = ss3; /* SS3_NORMALIZED_COORDS */
state[I915_TEXREG_SS3] |=
((translate_wrap_mode(ws) << SS3_TCX_ADDR_MODE_SHIFT) |
(translate_wrap_mode(wt) << SS3_TCY_ADDR_MODE_SHIFT) |
(translate_wrap_mode(wr) << SS3_TCZ_ADDR_MODE_SHIFT));
minlod = MIN2(sampler->MinLod, tObj->_MaxLevel - tObj->BaseLevel);
state[I915_TEXREG_SS3] |= (unit << SS3_TEXTUREMAP_INDEX_SHIFT);
state[I915_TEXREG_SS3] |= (U_FIXED(CLAMP(minlod, 0.0, 11.0), 4) <<
SS3_MIN_LOD_SHIFT);
}
/* convert border color from float to ubyte */
CLAMPED_FLOAT_TO_UBYTE(border[0], sampler->BorderColor.f[0]);
CLAMPED_FLOAT_TO_UBYTE(border[1], sampler->BorderColor.f[1]);
CLAMPED_FLOAT_TO_UBYTE(border[2], sampler->BorderColor.f[2]);
CLAMPED_FLOAT_TO_UBYTE(border[3], sampler->BorderColor.f[3]);
if (firstImage->_BaseFormat == GL_DEPTH_COMPONENT) {
/* GL specs that border color for depth textures is taken from the
* R channel, while the hardware uses A. Spam R into all the channels
* for safety.
*/
state[I915_TEXREG_SS4] = PACK_COLOR_8888(border[0],
border[0],
border[0],
border[0]);
} else {
state[I915_TEXREG_SS4] = PACK_COLOR_8888(border[3],
border[0],
border[1],
border[2]);
}
I915_ACTIVESTATE(i915, I915_UPLOAD_TEX(unit), true);
/* memcmp was already disabled, but definitely won't work as the
* region might now change and that wouldn't be detected:
*/
I915_STATECHANGE(i915, I915_UPLOAD_TEX(unit));
#if 0
DBG(TEXTURE, "state[I915_TEXREG_SS2] = 0x%x\n", state[I915_TEXREG_SS2]);
DBG(TEXTURE, "state[I915_TEXREG_SS3] = 0x%x\n", state[I915_TEXREG_SS3]);
DBG(TEXTURE, "state[I915_TEXREG_SS4] = 0x%x\n", state[I915_TEXREG_SS4]);
DBG(TEXTURE, "state[I915_TEXREG_MS2] = 0x%x\n", state[I915_TEXREG_MS2]);
DBG(TEXTURE, "state[I915_TEXREG_MS3] = 0x%x\n", state[I915_TEXREG_MS3]);
DBG(TEXTURE, "state[I915_TEXREG_MS4] = 0x%x\n", state[I915_TEXREG_MS4]);
#endif
return true;
}
/* Recalculate all state from scratch. Perhaps not the most
* efficient, but this has gotten complex enough that we need
* something which is understandable and reliable.
*/
static GLboolean
i830_update_tex_unit(struct intel_context *intel, GLuint unit, GLuint ss3)
{
GLcontext *ctx = &intel->ctx;
struct i830_context *i830 = i830_context(ctx);
struct gl_texture_unit *tUnit = &ctx->Texture.Unit[unit];
struct gl_texture_object *tObj = tUnit->_Current;
struct intel_texture_object *intelObj = intel_texture_object(tObj);
struct gl_texture_image *firstImage;
GLuint *state = i830->state.Tex[unit], format, pitch;
GLint lodbias;
GLubyte border[4];
GLuint dst_x, dst_y;
memset(state, 0, sizeof(state));
/*We need to refcount these. */
if (i830->state.tex_buffer[unit] != NULL) {
drm_intel_bo_unreference(i830->state.tex_buffer[unit]);
i830->state.tex_buffer[unit] = NULL;
}
if (!intel_finalize_mipmap_tree(intel, unit))
return GL_FALSE;
/* Get first image here, since intelObj->firstLevel will get set in
* the intel_finalize_mipmap_tree() call above.
*/
firstImage = tObj->Image[0][intelObj->firstLevel];
intel_miptree_get_image_offset(intelObj->mt, intelObj->firstLevel, 0, 0,
&dst_x, &dst_y);
drm_intel_bo_reference(intelObj->mt->region->buffer);
i830->state.tex_buffer[unit] = intelObj->mt->region->buffer;
pitch = intelObj->mt->region->pitch * intelObj->mt->cpp;
/* XXX: This calculation is probably broken for tiled images with
* a non-page-aligned offset.
*/
i830->state.tex_offset[unit] = dst_x * intelObj->mt->cpp + dst_y * pitch;
format = translate_texture_format(firstImage->TexFormat,
firstImage->InternalFormat);
state[I830_TEXREG_TM0LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_2 |
(LOAD_TEXTURE_MAP0 << unit) | 4);
state[I830_TEXREG_TM0S1] =
(((firstImage->Height - 1) << TM0S1_HEIGHT_SHIFT) |
((firstImage->Width - 1) << TM0S1_WIDTH_SHIFT) | format);
if (intelObj->mt->region->tiling != I915_TILING_NONE) {
state[I830_TEXREG_TM0S1] |= TM0S1_TILED_SURFACE;
if (intelObj->mt->region->tiling == I915_TILING_Y)
state[I830_TEXREG_TM0S1] |= TM0S1_TILE_WALK;
}
state[I830_TEXREG_TM0S2] =
((((pitch / 4) - 1) << TM0S2_PITCH_SHIFT) | TM0S2_CUBE_FACE_ENA_MASK);
{
if (tObj->Target == GL_TEXTURE_CUBE_MAP)
state[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(unit) |
CUBE_NEGX_ENABLE |
CUBE_POSX_ENABLE |
CUBE_NEGY_ENABLE |
CUBE_POSY_ENABLE |
CUBE_NEGZ_ENABLE | CUBE_POSZ_ENABLE);
else
state[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(unit));
}
{
GLuint minFilt, mipFilt, magFilt;
switch (tObj->MinFilter) {
case GL_NEAREST:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_NONE;
break;
case GL_LINEAR:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_NONE;
break;
case GL_NEAREST_MIPMAP_NEAREST:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_NEAREST;
break;
case GL_LINEAR_MIPMAP_NEAREST:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_NEAREST;
break;
case GL_NEAREST_MIPMAP_LINEAR:
minFilt = FILTER_NEAREST;
mipFilt = MIPFILTER_LINEAR;
break;
case GL_LINEAR_MIPMAP_LINEAR:
minFilt = FILTER_LINEAR;
mipFilt = MIPFILTER_LINEAR;
break;
default:
return GL_FALSE;
}
if (tObj->MaxAnisotropy > 1.0) {
minFilt = FILTER_ANISOTROPIC;
magFilt = FILTER_ANISOTROPIC;
}
else {
switch (tObj->MagFilter) {
case GL_NEAREST:
magFilt = FILTER_NEAREST;
break;
case GL_LINEAR:
magFilt = FILTER_LINEAR;
break;
default:
return GL_FALSE;
}
}
lodbias = (int) ((tUnit->LodBias + tObj->LodBias) * 16.0);
if (lodbias < -64)
lodbias = -64;
if (lodbias > 63)
lodbias = 63;
state[I830_TEXREG_TM0S3] = ((lodbias << TM0S3_LOD_BIAS_SHIFT) &
TM0S3_LOD_BIAS_MASK);
#if 0
/* YUV conversion:
*/
if (firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR ||
firstImage->TexFormat->MesaFormat == MESA_FORMAT_YCBCR_REV)
state[I830_TEXREG_TM0S3] |= SS2_COLORSPACE_CONVERSION;
#endif
state[I830_TEXREG_TM0S3] |= ((intelObj->lastLevel -
intelObj->firstLevel) *
4) << TM0S3_MIN_MIP_SHIFT;
state[I830_TEXREG_TM0S3] |= ((minFilt << TM0S3_MIN_FILTER_SHIFT) |
(mipFilt << TM0S3_MIP_FILTER_SHIFT) |
(magFilt << TM0S3_MAG_FILTER_SHIFT));
}
{
GLenum ws = tObj->WrapS;
GLenum wt = tObj->WrapT;
/* 3D textures not available on i830
*/
if (tObj->Target == GL_TEXTURE_3D)
return GL_FALSE;
state[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD |
MAP_UNIT(unit) |
ENABLE_TEXCOORD_PARAMS |
ss3 |
ENABLE_ADDR_V_CNTL |
TEXCOORD_ADDR_V_MODE(translate_wrap_mode(wt))
| ENABLE_ADDR_U_CNTL |
TEXCOORD_ADDR_U_MODE(translate_wrap_mode
(ws)));
}
/* convert border color from float to ubyte */
CLAMPED_FLOAT_TO_UBYTE(border[0], tObj->BorderColor.f[0]);
CLAMPED_FLOAT_TO_UBYTE(border[1], tObj->BorderColor.f[1]);
CLAMPED_FLOAT_TO_UBYTE(border[2], tObj->BorderColor.f[2]);
CLAMPED_FLOAT_TO_UBYTE(border[3], tObj->BorderColor.f[3]);
state[I830_TEXREG_TM0S4] = PACK_COLOR_8888(border[3],
border[0],
border[1],
border[2]);
I830_ACTIVESTATE(i830, I830_UPLOAD_TEX(unit), GL_TRUE);
/* memcmp was already disabled, but definitely won't work as the
* region might now change and that wouldn't be detected:
*/
I830_STATECHANGE(i830, I830_UPLOAD_TEX(unit));
return GL_TRUE;
}
/**
* Define a vgpu10 sampler state.
*/
static void
define_sampler_state_object(struct svga_context *svga,
struct svga_sampler_state *ss,
const struct pipe_sampler_state *ps)
{
uint8_t max_aniso = (uint8_t) 255; /* XXX fix me */
boolean anisotropic;
uint8 compare_func;
SVGA3dFilter filter;
SVGA3dRGBAFloat bcolor;
unsigned try;
float min_lod, max_lod;
assert(svga_have_vgpu10(svga));
anisotropic = ss->aniso_level > 1.0f;
filter = translate_filter_mode(ps->min_mip_filter,
ps->min_img_filter,
ps->mag_img_filter,
anisotropic,
ss->compare_mode);
compare_func = translate_comparison_func(ss->compare_func);
COPY_4V(bcolor.value, ps->border_color.f);
assert(ps->min_lod <= ps->max_lod);
if (ps->min_mip_filter == PIPE_TEX_MIPFILTER_NONE) {
/* just use the base level image */
min_lod = max_lod = 0.0f;
}
else {
min_lod = ps->min_lod;
max_lod = ps->max_lod;
}
/* If shadow comparisons are enabled, create two sampler states: one
* with the given shadow compare mode, another with shadow comparison off.
* We need the later because in some cases, we have to do the shadow
* compare in the shader. So, we don't want to do it twice.
*/
STATIC_ASSERT(PIPE_TEX_COMPARE_NONE == 0);
STATIC_ASSERT(PIPE_TEX_COMPARE_R_TO_TEXTURE == 1);
ss->id[1] = SVGA3D_INVALID_ID;
unsigned i;
for (i = 0; i <= ss->compare_mode; i++) {
ss->id[i] = util_bitmask_add(svga->sampler_object_id_bm);
/* Loop in case command buffer is full and we need to flush and retry */
for (try = 0; try < 2; try++) {
enum pipe_error ret =
SVGA3D_vgpu10_DefineSamplerState(svga->swc,
ss->id[i],
filter,
ss->addressu,
ss->addressv,
ss->addressw,
ss->lod_bias, /* float */
max_aniso,
compare_func,
bcolor,
min_lod, /* float */
max_lod); /* float */
if (ret == PIPE_OK)
break;
svga_context_flush(svga, NULL);
}
/* turn off the shadow compare option for second iteration */
filter &= ~SVGA3D_FILTER_COMPARE;
}
}
static void *
svga_create_sampler_state(struct pipe_context *pipe,
const struct pipe_sampler_state *sampler)
{
struct svga_context *svga = svga_context(pipe);
struct svga_sampler_state *cso = CALLOC_STRUCT( svga_sampler_state );
if (!cso)
return NULL;
cso->mipfilter = translate_mip_filter(sampler->min_mip_filter);
cso->magfilter = translate_img_filter( sampler->mag_img_filter );
cso->minfilter = translate_img_filter( sampler->min_img_filter );
cso->aniso_level = MAX2( sampler->max_anisotropy, 1 );
if (sampler->max_anisotropy)
cso->magfilter = cso->minfilter = SVGA3D_TEX_FILTER_ANISOTROPIC;
cso->lod_bias = sampler->lod_bias;
cso->addressu = translate_wrap_mode(sampler->wrap_s);
cso->addressv = translate_wrap_mode(sampler->wrap_t);
cso->addressw = translate_wrap_mode(sampler->wrap_r);
cso->normalized_coords = sampler->normalized_coords;
cso->compare_mode = sampler->compare_mode;
cso->compare_func = sampler->compare_func;
{
uint32 r = float_to_ubyte(sampler->border_color.f[0]);
uint32 g = float_to_ubyte(sampler->border_color.f[1]);
uint32 b = float_to_ubyte(sampler->border_color.f[2]);
uint32 a = float_to_ubyte(sampler->border_color.f[3]);
cso->bordercolor = (a << 24) | (r << 16) | (g << 8) | b;
}
/* No SVGA3D support for:
* - min/max LOD clamping
*/
cso->min_lod = 0;
cso->view_min_lod = MAX2((int) (sampler->min_lod + 0.5), 0);
cso->view_max_lod = MAX2((int) (sampler->max_lod + 0.5), 0);
/* Use min_mipmap */
if (svga->debug.use_min_mipmap) {
if (cso->view_min_lod == cso->view_max_lod) {
cso->min_lod = cso->view_min_lod;
cso->view_min_lod = 0;
cso->view_max_lod = 1000; /* Just a high number */
cso->mipfilter = SVGA3D_TEX_FILTER_NONE;
}
}
if (svga_have_vgpu10(svga)) {
define_sampler_state_object(svga, cso, sampler);
}
SVGA_DBG(DEBUG_SAMPLERS,
"New sampler: min %u, view(min %u, max %u) lod, mipfilter %s\n",
cso->min_lod, cso->view_min_lod, cso->view_max_lod,
cso->mipfilter == SVGA3D_TEX_FILTER_NONE ? "SVGA3D_TEX_FILTER_NONE" : "SOMETHING");
svga->hud.num_sampler_objects++;
SVGA_STATS_COUNT_INC(svga_screen(svga->pipe.screen)->sws,
SVGA_STATS_COUNT_SAMPLER);
return cso;
}
static void
svga_bind_sampler_states(struct pipe_context *pipe,
enum pipe_shader_type shader,
unsigned start,
unsigned num,
void **samplers)
{
struct svga_context *svga = svga_context(pipe);
unsigned i;
boolean any_change = FALSE;
assert(shader < PIPE_SHADER_TYPES);
assert(start + num <= PIPE_MAX_SAMPLERS);
/* Pre-VGPU10 only supports FS textures */
if (!svga_have_vgpu10(svga) && shader != PIPE_SHADER_FRAGMENT)
return;
for (i = 0; i < num; i++) {
if (svga->curr.sampler[shader][start + i] != samplers[i])
any_change = TRUE;
svga->curr.sampler[shader][start + i] = samplers[i];
}
if (!any_change) {
return;
}
/* find highest non-null sampler[] entry */
{
unsigned j = MAX2(svga->curr.num_samplers[shader], start + num);
while (j > 0 && svga->curr.sampler[shader][j - 1] == NULL)
j--;
svga->curr.num_samplers[shader] = j;
}
svga->dirty |= SVGA_NEW_SAMPLER;
}
static void
svga_delete_sampler_state(struct pipe_context *pipe, void *sampler)
{
struct svga_sampler_state *ss = (struct svga_sampler_state *) sampler;
struct svga_context *svga = svga_context(pipe);
if (svga_have_vgpu10(svga)) {
unsigned i;
for (i = 0; i < 2; i++) {
enum pipe_error ret;
if (ss->id[i] != SVGA3D_INVALID_ID) {
svga_hwtnl_flush_retry(svga);
ret = SVGA3D_vgpu10_DestroySamplerState(svga->swc, ss->id[i]);
if (ret != PIPE_OK) {
svga_context_flush(svga, NULL);
ret = SVGA3D_vgpu10_DestroySamplerState(svga->swc, ss->id[i]);
}
util_bitmask_clear(svga->sampler_object_id_bm, ss->id[i]);
}
}
}
FREE(sampler);
svga->hud.num_sampler_objects--;
}
static struct pipe_sampler_view *
svga_create_sampler_view(struct pipe_context *pipe,
struct pipe_resource *texture,
const struct pipe_sampler_view *templ)
{
struct svga_context *svga = svga_context(pipe);
struct svga_pipe_sampler_view *sv = CALLOC_STRUCT(svga_pipe_sampler_view);
if (!sv) {
return NULL;
}
sv->base = *templ;
sv->base.reference.count = 1;
sv->base.texture = NULL;
pipe_resource_reference(&sv->base.texture, texture);
sv->base.context = pipe;
sv->id = SVGA3D_INVALID_ID;
svga->hud.num_samplerview_objects++;
SVGA_STATS_COUNT_INC(svga_screen(svga->pipe.screen)->sws,
SVGA_STATS_COUNT_SAMPLERVIEW);
return &sv->base;
}
static void
svga_sampler_view_destroy(struct pipe_context *pipe,
struct pipe_sampler_view *view)
{
struct svga_context *svga = svga_context(pipe);
struct svga_pipe_sampler_view *sv = svga_pipe_sampler_view(view);
if (svga_have_vgpu10(svga) && sv->id != SVGA3D_INVALID_ID) {
if (view->context != pipe) {
/* The SVGA3D device will generate an error (and on Linux, cause
* us to abort) if we try to destroy a shader resource view from
* a context other than the one it was created with. Skip the
* SVGA3D_vgpu10_DestroyShaderResourceView() and leak the sampler
* view for now. This should only sometimes happen when a shared
* texture is deleted.
*/
_debug_printf("context mismatch in %s\n", __func__);
}
else {
enum pipe_error ret;
svga_hwtnl_flush_retry(svga); /* XXX is this needed? */
ret = SVGA3D_vgpu10_DestroyShaderResourceView(svga->swc, sv->id);
if (ret != PIPE_OK) {
svga_context_flush(svga, NULL);
ret = SVGA3D_vgpu10_DestroyShaderResourceView(svga->swc, sv->id);
}
util_bitmask_clear(svga->sampler_view_id_bm, sv->id);
}
}
pipe_resource_reference(&sv->base.texture, NULL);
FREE(sv);
svga->hud.num_samplerview_objects--;
}
static void
svga_set_sampler_views(struct pipe_context *pipe,
enum pipe_shader_type shader,
unsigned start,
unsigned num,
struct pipe_sampler_view **views)
{
struct svga_context *svga = svga_context(pipe);
unsigned flag_1d = 0;
unsigned flag_srgb = 0;
uint i;
boolean any_change = FALSE;
assert(shader < PIPE_SHADER_TYPES);
assert(start + num <= ARRAY_SIZE(svga->curr.sampler_views[shader]));
/* Pre-VGPU10 only supports FS textures */
if (!svga_have_vgpu10(svga) && shader != PIPE_SHADER_FRAGMENT)
return;
SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_SETSAMPLERVIEWS);
/* This bit of code works around a quirk in the CSO module.
* If start=num=0 it means all sampler views should be released.
* Note that the CSO module treats sampler views for fragment shaders
* differently than other shader types.
*/
if (start == 0 && num == 0 && svga->curr.num_sampler_views[shader] > 0) {
for (i = 0; i < svga->curr.num_sampler_views[shader]; i++) {
pipe_sampler_view_release(pipe, &svga->curr.sampler_views[shader][i]);
}
any_change = TRUE;
}
for (i = 0; i < num; i++) {
enum pipe_texture_target target;
if (svga->curr.sampler_views[shader][start + i] != views[i]) {
/* Note: we're using pipe_sampler_view_release() here to work around
* a possible crash when the old view belongs to another context that
* was already destroyed.
*/
pipe_sampler_view_release(pipe, &svga->curr.sampler_views[shader][start + i]);
pipe_sampler_view_reference(&svga->curr.sampler_views[shader][start + i],
views[i]);
any_change = TRUE;
}
if (!views[i])
continue;
if (util_format_is_srgb(views[i]->format))
flag_srgb |= 1 << (start + i);
target = views[i]->target;
if (target == PIPE_TEXTURE_1D) {
flag_1d |= 1 << (start + i);
} else if (target == PIPE_TEXTURE_RECT) {
/* If the size of the bound texture changes, we need to emit new
* const buffer values.
*/
svga->dirty |= SVGA_NEW_TEXTURE_CONSTS;
} else if (target == PIPE_BUFFER) {
/* If the size of the bound buffer changes, we need to emit new
* const buffer values.
*/
svga->dirty |= SVGA_NEW_TEXTURE_CONSTS;
}
}
if (!any_change) {
goto done;
}
/* find highest non-null sampler_views[] entry */
{
unsigned j = MAX2(svga->curr.num_sampler_views[shader], start + num);
while (j > 0 && svga->curr.sampler_views[shader][j - 1] == NULL)
j--;
svga->curr.num_sampler_views[shader] = j;
}
svga->dirty |= SVGA_NEW_TEXTURE_BINDING;
if (flag_srgb != svga->curr.tex_flags.flag_srgb ||
flag_1d != svga->curr.tex_flags.flag_1d) {
svga->dirty |= SVGA_NEW_TEXTURE_FLAGS;
svga->curr.tex_flags.flag_1d = flag_1d;
svga->curr.tex_flags.flag_srgb = flag_srgb;
}
/* Check if any of the sampler view resources collide with the framebuffer
* color buffers or depth stencil resource. If so, set the NEW_FRAME_BUFFER
* dirty bit so that emit_framebuffer can be invoked to create backed view
* for the conflicted surface view.
*/
if (svga_check_sampler_framebuffer_resource_collision(svga, shader)) {
svga->dirty |= SVGA_NEW_FRAME_BUFFER;
}
done:
SVGA_STATS_TIME_POP(svga_sws(svga));
}
/**
* Clean up sampler, sampler view state at context destruction time
*/
void
svga_cleanup_sampler_state(struct svga_context *svga)
{
enum pipe_shader_type shader;
for (shader = 0; shader <= PIPE_SHADER_GEOMETRY; shader++) {
unsigned i;
for (i = 0; i < svga->state.hw_draw.num_sampler_views[shader]; i++) {
pipe_sampler_view_release(&svga->pipe,
&svga->state.hw_draw.sampler_views[shader][i]);
}
}
/* free polygon stipple state */
if (svga->polygon_stipple.sampler) {
svga->pipe.delete_sampler_state(&svga->pipe, svga->polygon_stipple.sampler);
}
if (svga->polygon_stipple.sampler_view) {
svga->pipe.sampler_view_destroy(&svga->pipe,
&svga->polygon_stipple.sampler_view->base);
}
pipe_resource_reference(&svga->polygon_stipple.texture, NULL);
}
void
svga_init_sampler_functions( struct svga_context *svga )
{
svga->pipe.create_sampler_state = svga_create_sampler_state;
svga->pipe.bind_sampler_states = svga_bind_sampler_states;
svga->pipe.delete_sampler_state = svga_delete_sampler_state;
svga->pipe.set_sampler_views = svga_set_sampler_views;
svga->pipe.create_sampler_view = svga_create_sampler_view;
svga->pipe.sampler_view_destroy = svga_sampler_view_destroy;
}
