/* Copy mipmap image between trees
*/
void
intel_miptree_image_copy(struct intel_context *intel,
struct intel_mipmap_tree *dst,
GLuint face, GLuint level,
struct intel_mipmap_tree *src)
{
GLuint width = src->level[level].width;
GLuint height = src->level[level].height;
GLuint depth = src->level[level].depth;
GLuint dst_offset = intel_miptree_image_offset(dst, face, level);
GLuint src_offset = intel_miptree_image_offset(src, face, level);
const GLuint *dst_depth_offset = intel_miptree_depth_offsets(dst, level);
const GLuint *src_depth_offset = intel_miptree_depth_offsets(src, level);
GLuint i;
if (dst->compressed) {
GLuint alignment = intel_compressed_alignment(dst->internal_format);
height = (height + 3) / 4;
width = ((width + alignment - 1) & ~(alignment - 1));
}
for (i = 0; i < depth; i++) {
intel_region_copy(intel,
dst->region, dst_offset + dst_depth_offset[i],
0,
0,
src->region, src_offset + src_depth_offset[i],
0, 0, width, height);
}
}
/* Copy mipmap image between trees
*/
void
intel_miptree_image_copy(struct intel_context *intel,
struct intel_mipmap_tree *dst,
GLuint face, GLuint level,
struct intel_mipmap_tree *src)
{
GLuint width = src->level[level].width;
GLuint height = src->level[level].height;
GLuint depth = src->level[level].depth;
GLuint dst_offset = intel_miptree_image_offset(dst, face, level);
GLuint src_offset = intel_miptree_image_offset(src, face, level);
const GLuint *dst_depth_offset = intel_miptree_depth_offsets(dst, level);
const GLuint *src_depth_offset = intel_miptree_depth_offsets(src, level);
GLuint i;
if (dst->compressed)
height /= 4;
for (i = 0; i < depth; i++) {
intel_region_copy(intel->intelScreen,
dst->region, dst_offset + dst_depth_offset[i],
0,
0,
src->region, src_offset + src_depth_offset[i],
0, 0, width, height);
}
}
/* Upload data for a particular image.
*/
void
intel_miptree_image_data(struct intel_context *intel,
struct intel_mipmap_tree *dst,
GLuint face,
GLuint level,
void *src,
GLuint src_row_pitch,
GLuint src_image_pitch)
{
GLuint depth = dst->level[level].depth;
GLuint dst_offset = intel_miptree_image_offset(dst, face, level);
const GLuint *dst_depth_offset = intel_miptree_depth_offsets(dst, level);
GLuint i;
GLuint height = 0;
DBG("%s: %d/%d\n", __FUNCTION__, face, level);
for (i = 0; i < depth; i++) {
height = dst->level[level].height;
if(dst->compressed)
height = (height + 3) / 4;
intel_region_data(intel,
dst->region,
dst_offset + dst_depth_offset[i], /* dst_offset */
0, 0, /* dstx, dsty */
src,
src_row_pitch,
0, 0, /* source x, y */
dst->level[level].width, height); /* width, height */
src += src_image_pitch * dst->cpp;
}
}
/**
* Map a teximage in a mipmap tree.
* \param row_stride returns row stride in bytes
* \param image_stride returns image stride in bytes (for 3D textures).
* \param image_offsets pointer to array of pixel offsets from the returned
* pointer to each depth image
* \return address of mapping
*/
GLubyte *
intel_miptree_image_map(struct intel_context * intel,
struct intel_mipmap_tree * mt,
GLuint face,
GLuint level,
GLuint * row_stride, GLuint * image_offsets)
{
DBG("%s \n", __FUNCTION__);
if (row_stride)
*row_stride = mt->pitch * mt->cpp;
if (mt->target == GL_TEXTURE_3D) {
int i;
for (i = 0; i < mt->level[level].depth; i++)
image_offsets[i] = mt->level[level].image_offset[i] / mt->cpp;
} else {
assert(mt->level[level].depth == 1);
assert(mt->target == GL_TEXTURE_CUBE_MAP ||
mt->level[level].image_offset[0] == 0);
image_offsets[0] = 0;
}
return (intel_region_map(intel, mt->region) +
intel_miptree_image_offset(mt, face, level));
}
/* XXX: Do this for TexSubImage also:
*/
static GLboolean
try_pbo_upload(struct intel_context *intel,
struct intel_texture_image *intelImage,
const struct gl_pixelstore_attrib *unpack,
GLint internalFormat,
GLint width, GLint height,
GLenum format, GLenum type, const void *pixels)
{
struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj);
GLuint src_offset, src_stride;
GLuint dst_offset, dst_stride;
if (!pbo ||
intel->ctx._ImageTransferState ||
unpack->SkipPixels || unpack->SkipRows) {
_mesa_printf("%s: failure 1\n", __FUNCTION__);
return GL_FALSE;
}
src_offset = (GLuint) pixels;
if (unpack->RowLength > 0)
src_stride = unpack->RowLength;
else
src_stride = width;
dst_offset = intel_miptree_image_offset(intelImage->mt,
intelImage->face,
intelImage->level);
dst_stride = intelImage->mt->pitch;
intelFlush(&intel->ctx);
LOCK_HARDWARE(intel);
{
struct _DriBufferObject *src_buffer =
intel_bufferobj_buffer(intel, pbo, INTEL_READ);
struct _DriBufferObject *dst_buffer =
intel_region_buffer(intel->intelScreen, intelImage->mt->region,
INTEL_WRITE_FULL);
intelEmitCopyBlit(intel,
intelImage->mt->cpp,
src_stride, src_buffer, src_offset,
dst_stride, dst_buffer, dst_offset,
0, 0, 0, 0, width, height,
GL_COPY);
intel_batchbuffer_flush(intel->batch);
}
UNLOCK_HARDWARE(intel);
return GL_TRUE;
}
/**
* Map a teximage in a mipmap tree.
* \param row_stride returns row stride in bytes
* \param image_stride returns image stride in bytes (for 3D textures).
* \return address of mapping
*/
GLubyte *
intel_miptree_image_map(struct intel_context * intel,
struct intel_mipmap_tree * mt,
GLuint face,
GLuint level,
GLuint * row_stride, GLuint * image_offsets)
{
DBG("%s \n", __FUNCTION__);
if (row_stride)
*row_stride = mt->pitch * mt->cpp;
if (image_offsets)
memcpy(image_offsets, mt->level[level].image_offset,
mt->level[level].depth * sizeof(GLuint));
return (intel_region_map(intel->intelScreen, mt->region) +
intel_miptree_image_offset(mt, face, level));
}
static GLboolean
try_pbo_zcopy(struct intel_context *intel,
struct intel_texture_image *intelImage,
const struct gl_pixelstore_attrib *unpack,
GLint internalFormat,
GLint width, GLint height,
GLenum format, GLenum type, const void *pixels)
{
struct intel_buffer_object *pbo = intel_buffer_object(unpack->BufferObj);
GLuint src_offset, src_stride;
GLuint dst_offset, dst_stride;
if (!pbo ||
intel->ctx._ImageTransferState ||
unpack->SkipPixels || unpack->SkipRows) {
_mesa_printf("%s: failure 1\n", __FUNCTION__);
return GL_FALSE;
}
src_offset = (GLuint) pixels;
if (unpack->RowLength > 0)
src_stride = unpack->RowLength;
else
src_stride = width;
dst_offset = intel_miptree_image_offset(intelImage->mt,
intelImage->face,
intelImage->level);
dst_stride = intelImage->mt->pitch;
if (src_stride != dst_stride || dst_offset != 0 || src_offset != 0) {
_mesa_printf("%s: failure 2\n", __FUNCTION__);
return GL_FALSE;
}
intel_region_attach_pbo(intel->intelScreen, intelImage->mt->region, pbo);
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 GLboolean
do_copy_texsubimage(struct intel_context *intel,
struct intel_texture_image *intelImage,
GLenum internalFormat,
GLint dstx, GLint dsty,
GLint x, GLint y, GLsizei width, GLsizei height)
{
GLcontext *ctx = &intel->ctx;
const struct intel_region *src =
get_teximage_source(intel, internalFormat);
if (!intelImage->mt || !src) {
DBG("%s fail %p %p\n", __FUNCTION__, intelImage->mt, src);
return GL_FALSE;
}
intelFlush(ctx);
LOCK_HARDWARE(intel);
{
GLuint image_offset = intel_miptree_image_offset(intelImage->mt,
intelImage->face,
intelImage->level);
const GLint orig_x = x;
const GLint orig_y = y;
const struct gl_framebuffer *fb = ctx->DrawBuffer;
if (_mesa_clip_to_region(fb->_Xmin, fb->_Ymin, fb->_Xmax, fb->_Ymax,
&x, &y, &width, &height)) {
/* Update dst for clipped src. Need to also clip the source rect.
*/
dstx += x - orig_x;
dsty += y - orig_y;
if (ctx->ReadBuffer->Name == 0) {
/* reading from a window, adjust x, y */
__DRIdrawablePrivate *dPriv = intel->driDrawable;
GLuint window_y;
/* window_y = position of window on screen if y=0=bottom */
window_y = intel->intelScreen->height - (dPriv->y + dPriv->h);
y = window_y + y;
x += dPriv->x;
}
else {
/* reading from a FBO */
/* invert Y */
y = ctx->ReadBuffer->Height - y - 1;
}
/* A bit of fiddling to get the blitter to work with -ve
* pitches. But we get a nice inverted blit this way, so it's
* worth it:
*/
intelEmitCopyBlit(intel,
intelImage->mt->cpp,
-src->pitch,
src->buffer,
src->height * src->pitch * src->cpp,
intelImage->mt->pitch,
intelImage->mt->region->buffer,
image_offset,
x, y + height, dstx, dsty, width, height,
GL_COPY); /* ? */
intel_batchbuffer_flush(intel->batch);
}
}
UNLOCK_HARDWARE(intel);
#if 0
/* GL_SGIS_generate_mipmap -- this can be accelerated now.
* XXX Add a ctx->Driver.GenerateMipmaps() function?
*/
if (level == texObj->BaseLevel && texObj->GenerateMipmap) {
intel_generate_mipmap(ctx, target,
&ctx->Texture.Unit[ctx->Texture.CurrentUnit],
texObj);
}
#endif
return GL_TRUE;
}
/**
* Called by glFramebufferTexture[123]DEXT() (and other places) to
* prepare for rendering into texture memory. This might be called
* many times to choose different texture levels, cube faces, etc
* before intel_finish_render_texture() is ever called.
*/
static void
intel_render_texture(GLcontext * ctx,
struct gl_framebuffer *fb,
struct gl_renderbuffer_attachment *att)
{
struct gl_texture_image *newImage
= att->Texture->Image[att->CubeMapFace][att->TextureLevel];
struct intel_renderbuffer *irb = intel_renderbuffer(att->Renderbuffer);
struct intel_texture_image *intel_image;
GLuint imageOffset;
(void) fb;
ASSERT(newImage);
if (!irb) {
irb = intel_wrap_texture(ctx, newImage);
if (irb) {
/* bind the wrapper to the attachment point */
_mesa_reference_renderbuffer(&att->Renderbuffer, &irb->Base);
}
else {
/* fallback to software rendering */
_mesa_render_texture(ctx, fb, att);
return;
}
} if (!intel_update_wrapper(ctx, irb, newImage)) {
_mesa_reference_renderbuffer(&att->Renderbuffer, NULL);
_mesa_render_texture(ctx, fb, att);
return;
}
DBG("Begin render texture tid %x tex=%u w=%d h=%d refcount=%d\n",
_glthread_GetID(),
att->Texture->Name, newImage->Width, newImage->Height,
irb->Base.RefCount);
/* point the renderbufer's region to the texture image region */
intel_image = intel_texture_image(newImage);
if (irb->region != intel_image->mt->region) {
if (irb->region)
intel_region_release(&irb->region);
intel_region_reference(&irb->region, intel_image->mt->region);
}
/* compute offset of the particular 2D image within the texture region */
imageOffset = intel_miptree_image_offset(intel_image->mt,
att->CubeMapFace,
att->TextureLevel);
if (att->Texture->Target == GL_TEXTURE_3D) {
const GLuint *offsets = intel_miptree_depth_offsets(intel_image->mt,
att->TextureLevel);
imageOffset += offsets[att->Zoffset];
}
/* store that offset in the region */
intel_image->mt->region->draw_offset = imageOffset;
/* update drawing region, etc */
intel_draw_buffer(ctx, fb);
}
