static void gen2_emit_texture(struct intel_batchbuffer *batch,
struct igt_buf *src,
int unit)
{
uint32_t tiling;
tiling = 0;
if (src->tiling != I915_TILING_NONE)
tiling = TM0S1_TILED_SURFACE;
if (src->tiling == I915_TILING_Y)
tiling |= TM0S1_TILE_WALK;
OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_2 | LOAD_TEXTURE_MAP(unit) | 4);
OUT_RELOC(src->bo, I915_GEM_DOMAIN_SAMPLER, 0, 0);
OUT_BATCH((igt_buf_height(src) - 1) << TM0S1_HEIGHT_SHIFT |
(igt_buf_width(src) - 1) << TM0S1_WIDTH_SHIFT |
MAPSURF_32BIT | MT_32BIT_ARGB8888 | tiling);
OUT_BATCH((src->stride / 4 - 1) << TM0S2_PITCH_SHIFT | TM0S2_MAP_2D);
OUT_BATCH(FILTER_NEAREST << TM0S3_MAG_FILTER_SHIFT |
FILTER_NEAREST << TM0S3_MIN_FILTER_SHIFT |
MIPFILTER_NONE << TM0S3_MIP_FILTER_SHIFT);
OUT_BATCH(0); /* default color */
OUT_BATCH(_3DSTATE_MAP_COORD_SET_CMD | TEXCOORD_SET(unit) |
ENABLE_TEXCOORD_PARAMS | TEXCOORDS_ARE_NORMAL |
TEXCOORDTYPE_CARTESIAN |
ENABLE_ADDR_V_CNTL | TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_CLAMP_BORDER) |
ENABLE_ADDR_U_CNTL | TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_CLAMP_BORDER));
}
intelTextureObjectPtr i830AllocTexObj( struct gl_texture_object *texObj )
{
i830TextureObjectPtr t = CALLOC_STRUCT( i830_texture_object );
if ( !t )
return NULL;
texObj->DriverData = t;
t->intel.base.tObj = texObj;
t->intel.dirty = I830_UPLOAD_TEX_ALL;
make_empty_list( &t->intel.base );
t->Setup[I830_TEXREG_TM0LI] = 0; /* not used */
t->Setup[I830_TEXREG_TM0S0] = 0;
t->Setup[I830_TEXREG_TM0S1] = 0;
t->Setup[I830_TEXREG_TM0S2] = 0;
t->Setup[I830_TEXREG_TM0S3] = 0;
t->Setup[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD |
MAP_UNIT(0) |
ENABLE_TEXCOORD_PARAMS |
TEXCOORDS_ARE_NORMAL |
TEXCOORDTYPE_CARTESIAN |
ENABLE_ADDR_V_CNTL |
TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_WRAP) |
ENABLE_ADDR_U_CNTL |
TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_WRAP));
i830SetTexWrapping( t, texObj->WrapS, texObj->WrapT );
i830SetTexFilter( t, texObj->MinFilter, texObj->MagFilter,
texObj->MaxAnisotropy );
i830SetTexBorderColor( t, texObj->_BorderChan );
return &t->intel;
}
/**
* Set the texture wrap modes.
*
* The i830M (and related graphics cores) do not support GL_CLAMP. The Intel
* drivers for "other operating systems" implement GL_CLAMP as
* GL_CLAMP_TO_EDGE, so the same is done here.
*
* \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 i830SetTexWrapping(i830TextureObjectPtr tex,
GLenum swrap,
GLenum twrap)
{
tex->Setup[I830_TEXREG_MCS] &= ~(TEXCOORD_ADDR_U_MASK|TEXCOORD_ADDR_V_MASK);
switch( swrap ) {
case GL_REPEAT:
tex->Setup[I830_TEXREG_MCS] |= TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_WRAP);
break;
case GL_CLAMP:
case GL_CLAMP_TO_EDGE:
tex->Setup[I830_TEXREG_MCS] |= TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_CLAMP);
break;
case GL_CLAMP_TO_BORDER:
tex->Setup[I830_TEXREG_MCS] |=
TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_CLAMP_BORDER);
break;
case GL_MIRRORED_REPEAT:
tex->Setup[I830_TEXREG_MCS] |=
TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_MIRROR);
break;
default:
break;
}
switch( twrap ) {
case GL_REPEAT:
tex->Setup[I830_TEXREG_MCS] |= TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_WRAP);
break;
case GL_CLAMP:
case GL_CLAMP_TO_EDGE:
tex->Setup[I830_TEXREG_MCS] |= TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_CLAMP);
break;
case GL_CLAMP_TO_BORDER:
tex->Setup[I830_TEXREG_MCS] |=
TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_CLAMP_BORDER);
break;
case GL_MIRRORED_REPEAT:
tex->Setup[I830_TEXREG_MCS] |=
TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_MIRROR);
break;
default:
break;
}
}
/* Set up an arbitary piece of memory as a rectangular texture
* (including the front or back buffer).
*/
static void set_tex_rect_source( i830ContextPtr i830,
GLuint offset,
GLuint width,
GLuint height,
GLuint pitch, /* in bytes */
GLuint textureFormat )
{
GLint numLevels = 1;
GLuint *setup = i830->meta.Tex[0];
/* fprintf(stderr, "%s: offset: %x w: %d h: %d pitch %d format %x\n", */
/* __FUNCTION__, offset, width, height, pitch, textureFormat ); */
setup[I830_TEXREG_TM0LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_2 |
(LOAD_TEXTURE_MAP0 << 0) | 4);
setup[I830_TEXREG_TM0S0] = (TM0S0_USE_FENCE | offset);
setup[I830_TEXREG_TM0S1] = (((height - 1) << TM0S1_HEIGHT_SHIFT) |
((width - 1) << TM0S1_WIDTH_SHIFT) |
textureFormat);
setup[I830_TEXREG_TM0S2] = ((((pitch / 4) - 1) << TM0S2_PITCH_SHIFT));
setup[I830_TEXREG_TM0S3] &= ~TM0S3_MAX_MIP_MASK;
setup[I830_TEXREG_TM0S3] &= ~TM0S3_MIN_MIP_MASK;
setup[I830_TEXREG_TM0S3] |= ((numLevels - 1)*4) << TM0S3_MIN_MIP_SHIFT;
setup[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD |
MAP_UNIT(0) |
ENABLE_TEXCOORD_PARAMS |
TEXCOORDS_ARE_IN_TEXELUNITS |
TEXCOORDTYPE_CARTESIAN |
ENABLE_ADDR_V_CNTL |
TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_WRAP) |
ENABLE_ADDR_U_CNTL |
TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_WRAP));
i830->meta.emitted &= ~I830_UPLOAD_TEX(0);
}
/* Set up an arbitary piece of memory as a rectangular texture
* (including the front or back buffer).
*/
static GLboolean
set_tex_rect_source(struct intel_context *intel,
dri_bo *buffer,
GLuint offset,
GLuint pitch, GLuint height, GLenum format, GLenum type)
{
struct i830_context *i830 = i830_context(&intel->ctx);
GLuint *setup = i830->meta.Tex[0];
GLint numLevels = 1;
GLuint textureFormat;
GLuint cpp;
/* A full implementation of this would do the upload through
* glTexImage2d, and get all the conversion operations at that
* point. We are restricted, but still at least have access to the
* fragment program swizzle.
*/
switch (format) {
case GL_BGRA:
switch (type) {
case GL_UNSIGNED_INT_8_8_8_8_REV:
case GL_UNSIGNED_BYTE:
textureFormat = (MAPSURF_32BIT | MT_32BIT_ARGB8888);
cpp = 4;
break;
default:
return GL_FALSE;
}
break;
case GL_RGBA:
switch (type) {
case GL_UNSIGNED_INT_8_8_8_8_REV:
case GL_UNSIGNED_BYTE:
textureFormat = (MAPSURF_32BIT | MT_32BIT_ABGR8888);
cpp = 4;
break;
default:
return GL_FALSE;
}
break;
case GL_BGR:
switch (type) {
case GL_UNSIGNED_SHORT_5_6_5_REV:
textureFormat = (MAPSURF_16BIT | MT_16BIT_RGB565);
cpp = 2;
break;
default:
return GL_FALSE;
}
break;
case GL_RGB:
switch (type) {
case GL_UNSIGNED_SHORT_5_6_5:
textureFormat = (MAPSURF_16BIT | MT_16BIT_RGB565);
cpp = 2;
break;
default:
return GL_FALSE;
}
break;
default:
return GL_FALSE;
}
i830->meta.tex_buffer[0] = buffer;
i830->meta.tex_offset[0] = offset;
setup[I830_TEXREG_TM0LI] = (_3DSTATE_LOAD_STATE_IMMEDIATE_2 |
(LOAD_TEXTURE_MAP0 << 0) | 4);
setup[I830_TEXREG_TM0S1] = (((height - 1) << TM0S1_HEIGHT_SHIFT) |
((pitch - 1) << TM0S1_WIDTH_SHIFT) |
textureFormat);
setup[I830_TEXREG_TM0S2] =
(((((pitch * cpp) / 4) -
1) << TM0S2_PITCH_SHIFT) | TM0S2_CUBE_FACE_ENA_MASK);
setup[I830_TEXREG_TM0S3] =
((((numLevels -
1) *
4) << TM0S3_MIN_MIP_SHIFT) | (FILTER_NEAREST <<
TM0S3_MIN_FILTER_SHIFT) |
(MIPFILTER_NONE << TM0S3_MIP_FILTER_SHIFT) | (FILTER_NEAREST <<
TM0S3_MAG_FILTER_SHIFT));
setup[I830_TEXREG_CUBE] = (_3DSTATE_MAP_CUBE | MAP_UNIT(0));
setup[I830_TEXREG_MCS] = (_3DSTATE_MAP_COORD_SET_CMD |
MAP_UNIT(0) |
ENABLE_TEXCOORD_PARAMS |
TEXCOORDS_ARE_IN_TEXELUNITS |
TEXCOORDTYPE_CARTESIAN |
ENABLE_ADDR_V_CNTL |
TEXCOORD_ADDR_V_MODE(TEXCOORDMODE_WRAP) |
ENABLE_ADDR_U_CNTL |
TEXCOORD_ADDR_U_MODE(TEXCOORDMODE_WRAP));
i830->meta.emitted &= ~I830_UPLOAD_TEX(0);
return GL_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_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 i830_texture_setup(PicturePtr picture, PixmapPtr pixmap, int unit)
{
ScrnInfoPtr scrn = xf86Screens[picture->pDrawable->pScreen->myNum];
intel_screen_private *intel = intel_get_screen_private(scrn);
uint32_t format, tiling_bits, pitch, filter;
uint32_t wrap_mode;
uint32_t texcoordtype;
pitch = intel_pixmap_pitch(pixmap);
intel->scale_units[unit][0] = pixmap->drawable.width;
intel->scale_units[unit][1] = pixmap->drawable.height;
intel->transform[unit] = picture->transform;
if (intel_transform_is_affine(intel->transform[unit]))
texcoordtype = TEXCOORDTYPE_CARTESIAN;
else
texcoordtype = TEXCOORDTYPE_HOMOGENEOUS;
switch (picture->repeatType) {
case RepeatNone:
wrap_mode = TEXCOORDMODE_CLAMP_BORDER;
break;
case RepeatNormal:
wrap_mode = TEXCOORDMODE_WRAP;
break;
case RepeatPad:
wrap_mode = TEXCOORDMODE_CLAMP;
break;
case RepeatReflect:
wrap_mode = TEXCOORDMODE_MIRROR;
break;
default:
FatalError("Unknown repeat type %d\n", picture->repeatType);
}
switch (picture->filter) {
case PictFilterNearest:
filter = ((FILTER_NEAREST << TM0S3_MAG_FILTER_SHIFT) |
(FILTER_NEAREST << TM0S3_MIN_FILTER_SHIFT));
break;
case PictFilterBilinear:
filter = ((FILTER_LINEAR << TM0S3_MAG_FILTER_SHIFT) |
(FILTER_LINEAR << TM0S3_MIN_FILTER_SHIFT));
break;
default:
filter = 0;
FatalError("Bad filter 0x%x\n", picture->filter);
}
filter |= (MIPFILTER_NONE << TM0S3_MIP_FILTER_SHIFT);
if (intel_pixmap_tiled(pixmap)) {
tiling_bits = TM0S1_TILED_SURFACE;
if (intel_get_pixmap_private(pixmap)->tiling
== I915_TILING_Y)
tiling_bits |= TM0S1_TILE_WALK;
} else
tiling_bits = 0;
format = i8xx_get_card_format(intel, picture);
assert(intel->in_batch_atomic);
OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_2 |
LOAD_TEXTURE_MAP(unit) | 4);
OUT_RELOC_PIXMAP(pixmap, I915_GEM_DOMAIN_SAMPLER, 0, 0);
OUT_BATCH(((pixmap->drawable.height -
1) << TM0S1_HEIGHT_SHIFT) | ((pixmap->drawable.width -
1) <<
TM0S1_WIDTH_SHIFT) |
format | tiling_bits);
OUT_BATCH((pitch / 4 - 1) << TM0S2_PITCH_SHIFT | TM0S2_MAP_2D);
OUT_BATCH(filter);
OUT_BATCH(0); /* default color */
OUT_BATCH(_3DSTATE_MAP_COORD_SET_CMD | TEXCOORD_SET(unit) |
ENABLE_TEXCOORD_PARAMS | TEXCOORDS_ARE_NORMAL |
texcoordtype | ENABLE_ADDR_V_CNTL |
TEXCOORD_ADDR_V_MODE(wrap_mode) |
ENABLE_ADDR_U_CNTL | TEXCOORD_ADDR_U_MODE(wrap_mode));
/* map texel stream */
OUT_BATCH(_3DSTATE_MAP_COORD_SETBIND_CMD);
if (unit == 0)
OUT_BATCH(TEXBIND_SET0(TEXCOORDSRC_VTXSET_0) |
TEXBIND_SET1(TEXCOORDSRC_KEEP) |
TEXBIND_SET2(TEXCOORDSRC_KEEP) |
TEXBIND_SET3(TEXCOORDSRC_KEEP));
else
OUT_BATCH(TEXBIND_SET0(TEXCOORDSRC_VTXSET_0) |
TEXBIND_SET1(TEXCOORDSRC_VTXSET_1) |
TEXBIND_SET2(TEXCOORDSRC_KEEP) |
TEXBIND_SET3(TEXCOORDSRC_KEEP));
OUT_BATCH(_3DSTATE_MAP_TEX_STREAM_CMD | (unit << 16) |
DISABLE_TEX_STREAM_BUMP |
ENABLE_TEX_STREAM_COORD_SET |
TEX_STREAM_COORD_SET(unit) |
ENABLE_TEX_STREAM_MAP_IDX | TEX_STREAM_MAP_IDX(unit));
}
/* 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;
}
