boolean
util_format_is_supported(enum pipe_format format, unsigned bind)
{
if (util_format_is_s3tc(format) && !util_format_s3tc_enabled) {
return FALSE;
}
#ifndef TEXTURE_FLOAT_ENABLED
if ((bind & PIPE_BIND_RENDER_TARGET) &&
format != PIPE_FORMAT_R9G9B9E5_FLOAT &&
format != PIPE_FORMAT_R11G11B10_FLOAT &&
util_format_is_float(format)) {
return FALSE;
}
#endif
return TRUE;
}
/**
* Query format support for creating a texture, drawing surface, etc.
* \param format the format to test
* \param type one of PIPE_TEXTURE, PIPE_SURFACE
*/
static boolean
llvmpipe_is_format_supported( struct pipe_screen *_screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned bind)
{
struct llvmpipe_screen *screen = llvmpipe_screen(_screen);
struct sw_winsys *winsys = screen->winsys;
const struct util_format_description *format_desc;
format_desc = util_format_description(format);
if (!format_desc)
return FALSE;
assert(target == PIPE_BUFFER ||
target == PIPE_TEXTURE_1D ||
target == PIPE_TEXTURE_1D_ARRAY ||
target == PIPE_TEXTURE_2D ||
target == PIPE_TEXTURE_2D_ARRAY ||
target == PIPE_TEXTURE_RECT ||
target == PIPE_TEXTURE_3D ||
target == PIPE_TEXTURE_CUBE);
if (sample_count > 1)
return FALSE;
if (bind & PIPE_BIND_RENDER_TARGET) {
if (format_desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) {
if (format_desc->nr_channels < 3)
return FALSE;
}
else if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_RGB)
return FALSE;
if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN &&
format != PIPE_FORMAT_R11G11B10_FLOAT)
return FALSE;
assert(format_desc->block.width == 1);
assert(format_desc->block.height == 1);
if (format_desc->is_mixed)
return FALSE;
if (!format_desc->is_array && !format_desc->is_bitmask &&
format != PIPE_FORMAT_R11G11B10_FLOAT)
return FALSE;
/*
* XXX refuse formats known to crash in generate_unswizzled_blend().
* These include all 3-channel 24bit RGB8 variants, plus 48bit
* (except those using floats) 3-channel RGB16 variants (the latter
* seems to be more of a llvm bug though).
* The mesa state tracker only seems to use these for SINT/UINT formats.
*/
if (format_desc->is_array && format_desc->nr_channels == 3) {
if (format_desc->block.bits == 24 || (format_desc->block.bits == 48 &&
!util_format_is_float(format))) {
return FALSE;
}
}
}
if (bind & PIPE_BIND_DISPLAY_TARGET) {
if(!winsys->is_displaytarget_format_supported(winsys, bind, format))
return FALSE;
}
if (bind & PIPE_BIND_DEPTH_STENCIL) {
if (format_desc->layout != UTIL_FORMAT_LAYOUT_PLAIN)
return FALSE;
if (format_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS)
return FALSE;
/* TODO: Support stencil-only formats */
if (format_desc->swizzle[0] == UTIL_FORMAT_SWIZZLE_NONE) {
return FALSE;
}
}
if (format_desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
return util_format_s3tc_enabled;
}
/*
* Everything can be supported by u_format
* (those without fetch_rgba_float might be not but shouldn't hit that)
*/
return TRUE;
}
struct pipe_resource *
nv30_miptree_create(struct pipe_screen *pscreen,
const struct pipe_resource *tmpl)
{
struct nouveau_device *dev = nouveau_screen(pscreen)->device;
struct nv30_miptree *mt = CALLOC_STRUCT(nv30_miptree);
struct pipe_resource *pt = &mt->base.base;
unsigned blocksz, size;
unsigned w, h, d, l;
int ret;
switch (tmpl->nr_samples) {
case 4:
mt->ms_mode = 0x00004000;
mt->ms_x = 1;
mt->ms_y = 1;
break;
case 2:
mt->ms_mode = 0x00003000;
mt->ms_x = 1;
mt->ms_y = 0;
break;
default:
mt->ms_mode = 0x00000000;
mt->ms_x = 0;
mt->ms_y = 0;
break;
}
mt->base.vtbl = &nv30_miptree_vtbl;
*pt = *tmpl;
pipe_reference_init(&pt->reference, 1);
pt->screen = pscreen;
w = pt->width0 << mt->ms_x;
h = pt->height0 << mt->ms_y;
d = (pt->target == PIPE_TEXTURE_3D) ? pt->depth0 : 1;
blocksz = util_format_get_blocksize(pt->format);
if ((pt->target == PIPE_TEXTURE_RECT) ||
!util_is_power_of_two(pt->width0) ||
!util_is_power_of_two(pt->height0) ||
!util_is_power_of_two(pt->depth0) ||
util_format_is_compressed(pt->format) ||
util_format_is_float(pt->format) || mt->ms_mode) {
mt->uniform_pitch = util_format_get_nblocksx(pt->format, w) * blocksz;
mt->uniform_pitch = align(mt->uniform_pitch, 64);
}
if (!mt->uniform_pitch)
mt->swizzled = TRUE;
size = 0;
for (l = 0; l <= pt->last_level; l++) {
struct nv30_miptree_level *lvl = &mt->level[l];
unsigned nbx = util_format_get_nblocksx(pt->format, w);
unsigned nby = util_format_get_nblocksx(pt->format, h);
lvl->offset = size;
lvl->pitch = mt->uniform_pitch;
if (!lvl->pitch)
lvl->pitch = nbx * blocksz;
lvl->zslice_size = lvl->pitch * nby;
size += lvl->zslice_size * d;
w = u_minify(w, 1);
h = u_minify(h, 1);
d = u_minify(d, 1);
}
mt->layer_size = size;
if (pt->target == PIPE_TEXTURE_CUBE) {
if (!mt->uniform_pitch)
mt->layer_size = align(mt->layer_size, 128);
size = mt->layer_size * 6;
}
ret = nouveau_bo_new(dev, NOUVEAU_BO_VRAM, 256, size, NULL, &mt->base.bo);
if (ret) {
FREE(mt);
return NULL;
}
mt->base.domain = NOUVEAU_BO_VRAM;
return &mt->base.base;
}
static boolean
stw_query_attrib(
int iPixelFormat,
int iLayerPlane,
int attrib,
int *pvalue )
{
uint count;
const struct stw_pixelformat_info *pfi;
count = stw_pixelformat_get_extended_count();
if (attrib == WGL_NUMBER_PIXEL_FORMATS_ARB) {
*pvalue = (int) count;
return TRUE;
}
pfi = stw_pixelformat_get_info( iPixelFormat );
if (!pfi) {
return FALSE;
}
switch (attrib) {
case WGL_DRAW_TO_WINDOW_ARB:
*pvalue = pfi->pfd.dwFlags & PFD_DRAW_TO_WINDOW ? TRUE : FALSE;
return TRUE;
case WGL_DRAW_TO_BITMAP_ARB:
*pvalue = pfi->pfd.dwFlags & PFD_DRAW_TO_BITMAP ? TRUE : FALSE;
return TRUE;
case WGL_NEED_PALETTE_ARB:
*pvalue = pfi->pfd.dwFlags & PFD_NEED_PALETTE ? TRUE : FALSE;
return TRUE;
case WGL_NEED_SYSTEM_PALETTE_ARB:
*pvalue = pfi->pfd.dwFlags & PFD_NEED_SYSTEM_PALETTE ? TRUE : FALSE;
return TRUE;
case WGL_SWAP_METHOD_ARB:
*pvalue = pfi->pfd.dwFlags & PFD_SWAP_COPY ? WGL_SWAP_COPY_ARB : WGL_SWAP_UNDEFINED_ARB;
return TRUE;
case WGL_SWAP_LAYER_BUFFERS_ARB:
*pvalue = FALSE;
return TRUE;
case WGL_NUMBER_OVERLAYS_ARB:
*pvalue = 0;
return TRUE;
case WGL_NUMBER_UNDERLAYS_ARB:
*pvalue = 0;
return TRUE;
}
if (iLayerPlane != 0)
return FALSE;
switch (attrib) {
case WGL_ACCELERATION_ARB:
*pvalue = WGL_FULL_ACCELERATION_ARB;
break;
case WGL_TRANSPARENT_ARB:
*pvalue = FALSE;
break;
case WGL_TRANSPARENT_RED_VALUE_ARB:
case WGL_TRANSPARENT_GREEN_VALUE_ARB:
case WGL_TRANSPARENT_BLUE_VALUE_ARB:
case WGL_TRANSPARENT_ALPHA_VALUE_ARB:
case WGL_TRANSPARENT_INDEX_VALUE_ARB:
break;
case WGL_SHARE_DEPTH_ARB:
case WGL_SHARE_STENCIL_ARB:
case WGL_SHARE_ACCUM_ARB:
*pvalue = TRUE;
break;
case WGL_SUPPORT_GDI_ARB:
*pvalue = pfi->pfd.dwFlags & PFD_SUPPORT_GDI ? TRUE : FALSE;
break;
case WGL_SUPPORT_OPENGL_ARB:
*pvalue = pfi->pfd.dwFlags & PFD_SUPPORT_OPENGL ? TRUE : FALSE;
break;
case WGL_DOUBLE_BUFFER_ARB:
*pvalue = pfi->pfd.dwFlags & PFD_DOUBLEBUFFER ? TRUE : FALSE;
break;
case WGL_STEREO_ARB:
*pvalue = pfi->pfd.dwFlags & PFD_STEREO ? TRUE : FALSE;
break;
case WGL_PIXEL_TYPE_ARB:
switch (pfi->pfd.iPixelType) {
case PFD_TYPE_RGBA:
if (util_format_is_float(pfi->stvis.color_format)) {
*pvalue = WGL_TYPE_RGBA_FLOAT_ARB;
}
else {
*pvalue = WGL_TYPE_RGBA_ARB;
}
break;
case PFD_TYPE_COLORINDEX:
*pvalue = WGL_TYPE_COLORINDEX_ARB;
break;
default:
return FALSE;
}
break;
case WGL_COLOR_BITS_ARB:
*pvalue = pfi->pfd.cColorBits;
break;
case WGL_RED_BITS_ARB:
*pvalue = pfi->pfd.cRedBits;
break;
case WGL_RED_SHIFT_ARB:
*pvalue = pfi->pfd.cRedShift;
break;
case WGL_GREEN_BITS_ARB:
*pvalue = pfi->pfd.cGreenBits;
break;
case WGL_GREEN_SHIFT_ARB:
*pvalue = pfi->pfd.cGreenShift;
break;
case WGL_BLUE_BITS_ARB:
*pvalue = pfi->pfd.cBlueBits;
break;
case WGL_BLUE_SHIFT_ARB:
*pvalue = pfi->pfd.cBlueShift;
break;
case WGL_ALPHA_BITS_ARB:
*pvalue = pfi->pfd.cAlphaBits;
break;
case WGL_ALPHA_SHIFT_ARB:
*pvalue = pfi->pfd.cAlphaShift;
break;
case WGL_ACCUM_BITS_ARB:
*pvalue = pfi->pfd.cAccumBits;
break;
case WGL_ACCUM_RED_BITS_ARB:
*pvalue = pfi->pfd.cAccumRedBits;
break;
case WGL_ACCUM_GREEN_BITS_ARB:
*pvalue = pfi->pfd.cAccumGreenBits;
break;
case WGL_ACCUM_BLUE_BITS_ARB:
*pvalue = pfi->pfd.cAccumBlueBits;
break;
case WGL_ACCUM_ALPHA_BITS_ARB:
*pvalue = pfi->pfd.cAccumAlphaBits;
break;
case WGL_DEPTH_BITS_ARB:
*pvalue = pfi->pfd.cDepthBits;
break;
case WGL_STENCIL_BITS_ARB:
*pvalue = pfi->pfd.cStencilBits;
break;
case WGL_AUX_BUFFERS_ARB:
*pvalue = pfi->pfd.cAuxBuffers;
break;
case WGL_SAMPLE_BUFFERS_ARB:
*pvalue = 1;
break;
case WGL_SAMPLES_ARB:
*pvalue = pfi->stvis.samples;
break;
/* WGL_ARB_pbuffer */
case WGL_MAX_PBUFFER_WIDTH_ARB:
case WGL_MAX_PBUFFER_HEIGHT_ARB:
*pvalue = stw_dev->max_2d_length;
break;
case WGL_MAX_PBUFFER_PIXELS_ARB:
*pvalue = stw_dev->max_2d_length * stw_dev->max_2d_length;
break;
case WGL_DRAW_TO_PBUFFER_ARB:
*pvalue = 1;
break;
default:
return FALSE;
}
return TRUE;
}