static boolean
nvc0_screen_is_format_supported(struct pipe_screen *pscreen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned bindings)
{
if (sample_count > 8)
return false;
if (!(0x117 & (1 << sample_count))) /* 0, 1, 2, 4 or 8 */
return false;
if (!util_format_is_supported(format, bindings))
return false;
if ((bindings & PIPE_BIND_SAMPLER_VIEW) && (target != PIPE_BUFFER))
if (util_format_get_blocksizebits(format) == 3 * 32)
return false;
/* transfers & shared are always supported */
bindings &= ~(PIPE_BIND_TRANSFER_READ |
PIPE_BIND_TRANSFER_WRITE |
PIPE_BIND_SHARED);
return (nvc0_format_table[format].usage & bindings) == bindings;
}
static boolean
nv50_screen_is_format_supported(struct pipe_screen *pscreen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned bindings)
{
if (sample_count > 8)
return FALSE;
if (!(0x117 & (1 << sample_count))) /* 0, 1, 2, 4 or 8 */
return FALSE;
if (sample_count == 8 && util_format_get_blocksizebits(format) >= 128)
return FALSE;
if (!util_format_is_supported(format, bindings))
return FALSE;
switch (format) {
case PIPE_FORMAT_Z16_UNORM:
if (nv50_screen(pscreen)->tesla->oclass < NVA0_3D_CLASS)
return FALSE;
break;
default:
break;
}
/* transfers & shared are always supported */
bindings &= ~(PIPE_BIND_TRANSFER_READ |
PIPE_BIND_TRANSFER_WRITE |
PIPE_BIND_SHARED);
return (nv50_format_table[format].usage & bindings) == bindings;
}
static boolean
nvc0_screen_is_format_supported(struct pipe_screen *pscreen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned bindings)
{
const struct util_format_description *desc = util_format_description(format);
if (sample_count > 8)
return false;
if (!(0x117 & (1 << sample_count))) /* 0, 1, 2, 4 or 8 */
return false;
/* Short-circuit the rest of the logic -- this is used by the state tracker
* to determine valid MS levels in a no-attachments scenario.
*/
if (format == PIPE_FORMAT_NONE && bindings & PIPE_BIND_RENDER_TARGET)
return true;
if (!util_format_is_supported(format, bindings))
return false;
if ((bindings & PIPE_BIND_SAMPLER_VIEW) && (target != PIPE_BUFFER))
if (util_format_get_blocksizebits(format) == 3 * 32)
return false;
if (bindings & PIPE_BIND_LINEAR)
if (util_format_is_depth_or_stencil(format) ||
(target != PIPE_TEXTURE_1D &&
target != PIPE_TEXTURE_2D &&
target != PIPE_TEXTURE_RECT) ||
sample_count > 1)
return false;
/* Restrict ETC2 and ASTC formats here. These are only supported on GK20A.
*/
if ((desc->layout == UTIL_FORMAT_LAYOUT_ETC ||
desc->layout == UTIL_FORMAT_LAYOUT_ASTC) &&
/* The claim is that this should work on GM107 but it doesn't. Need to
* test further and figure out if it's a nouveau issue or a HW one.
nouveau_screen(pscreen)->class_3d < GM107_3D_CLASS &&
*/
nouveau_screen(pscreen)->class_3d != NVEA_3D_CLASS)
return false;
/* transfers & shared are always supported */
bindings &= ~(PIPE_BIND_TRANSFER_READ |
PIPE_BIND_TRANSFER_WRITE |
PIPE_BIND_LINEAR |
PIPE_BIND_SHARED);
return (( nvc0_format_table[format].usage |
nvc0_vertex_format[format].usage) & bindings) == bindings;
}
static boolean
nv50_screen_is_format_supported(struct pipe_screen *pscreen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned bindings)
{
if (sample_count > 8)
return false;
if (!(0x117 & (1 << sample_count))) /* 0, 1, 2, 4 or 8 */
return false;
if (sample_count == 8 && util_format_get_blocksizebits(format) >= 128)
return false;
if (!util_format_is_supported(format, bindings))
return false;
switch (format) {
case PIPE_FORMAT_Z16_UNORM:
if (nv50_screen(pscreen)->tesla->oclass < NVA0_3D_CLASS)
return false;
break;
default:
break;
}
if (bindings & PIPE_BIND_LINEAR)
if (util_format_is_depth_or_stencil(format) ||
(target != PIPE_TEXTURE_1D &&
target != PIPE_TEXTURE_2D &&
target != PIPE_TEXTURE_RECT) ||
sample_count > 1)
return false;
/* transfers & shared are always supported */
bindings &= ~(PIPE_BIND_TRANSFER_READ |
PIPE_BIND_TRANSFER_WRITE |
PIPE_BIND_LINEAR |
PIPE_BIND_SHARED);
return (( nv50_format_table[format].usage |
nv50_vertex_format[format].usage) & bindings) == bindings;
}
static boolean
nv30_screen_is_format_supported(struct pipe_screen *pscreen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned bindings)
{
if (sample_count > nv30_screen(pscreen)->max_sample_count)
return false;
if (!(0x00000017 & (1 << sample_count)))
return false;
if (!util_format_is_supported(format, bindings)) {
return false;
}
/* shared is always supported */
bindings &= ~PIPE_BIND_SHARED;
return (nv30_format_info(pscreen, format)->bindings & bindings) == bindings;
}
static boolean
nv30_screen_is_format_supported(struct pipe_screen *pscreen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned bindings)
{
if (sample_count > 4)
return FALSE;
if (!(0x00000017 & (1 << sample_count)))
return FALSE;
if (!util_format_is_supported(format, bindings)) {
return FALSE;
}
/* transfers & shared are always supported */
bindings &= ~(PIPE_BIND_TRANSFER_READ |
PIPE_BIND_TRANSFER_WRITE |
PIPE_BIND_SHARED);
return (nv30_format_info(pscreen, format)->bindings & bindings) == bindings;
}
boolean
i915_is_format_supported(struct pipe_screen *screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned tex_usage)
{
static const enum pipe_format tex_supported[] = {
PIPE_FORMAT_B8G8R8A8_UNORM,
PIPE_FORMAT_B8G8R8A8_SRGB,
PIPE_FORMAT_B8G8R8X8_UNORM,
PIPE_FORMAT_R8G8B8A8_UNORM,
PIPE_FORMAT_R8G8B8X8_UNORM,
PIPE_FORMAT_B4G4R4A4_UNORM,
PIPE_FORMAT_B5G6R5_UNORM,
PIPE_FORMAT_B5G5R5A1_UNORM,
PIPE_FORMAT_B10G10R10A2_UNORM,
PIPE_FORMAT_L8_UNORM,
PIPE_FORMAT_A8_UNORM,
PIPE_FORMAT_I8_UNORM,
PIPE_FORMAT_L8A8_UNORM,
PIPE_FORMAT_UYVY,
PIPE_FORMAT_YUYV,
/* XXX why not?
PIPE_FORMAT_Z16_UNORM, */
PIPE_FORMAT_DXT1_RGB,
PIPE_FORMAT_DXT1_RGBA,
PIPE_FORMAT_DXT3_RGBA,
PIPE_FORMAT_DXT5_RGBA,
PIPE_FORMAT_Z24X8_UNORM,
PIPE_FORMAT_Z24_UNORM_S8_UINT,
PIPE_FORMAT_NONE /* list terminator */
};
static const enum pipe_format render_supported[] = {
PIPE_FORMAT_B8G8R8A8_UNORM,
PIPE_FORMAT_B8G8R8X8_UNORM,
PIPE_FORMAT_R8G8B8A8_UNORM,
PIPE_FORMAT_R8G8B8X8_UNORM,
PIPE_FORMAT_B5G6R5_UNORM,
PIPE_FORMAT_B5G5R5A1_UNORM,
PIPE_FORMAT_B4G4R4A4_UNORM,
PIPE_FORMAT_B10G10R10A2_UNORM,
PIPE_FORMAT_L8_UNORM,
PIPE_FORMAT_A8_UNORM,
PIPE_FORMAT_I8_UNORM,
PIPE_FORMAT_NONE /* list terminator */
};
static const enum pipe_format depth_supported[] = {
/* XXX why not?
PIPE_FORMAT_Z16_UNORM, */
PIPE_FORMAT_Z24X8_UNORM,
PIPE_FORMAT_Z24_UNORM_S8_UINT,
PIPE_FORMAT_NONE /* list terminator */
};
const enum pipe_format *list;
uint i;
if (!util_format_is_supported(format, tex_usage))
return FALSE;
if (sample_count > 1)
return FALSE;
if(tex_usage & PIPE_BIND_DEPTH_STENCIL)
list = depth_supported;
else if (tex_usage & PIPE_BIND_RENDER_TARGET)
list = render_supported;
else if (tex_usage & PIPE_BIND_SAMPLER_VIEW)
list = tex_supported;
else
return TRUE; /* PIPE_BIND_{VERTEX,INDEX}_BUFFER */
for (i = 0; list[i] != PIPE_FORMAT_NONE; i++) {
if (list[i] == format)
return TRUE;
}
return FALSE;
}
static boolean
fd3_screen_is_format_supported(struct pipe_screen *pscreen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned usage)
{
unsigned retval = 0;
if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
(sample_count > 1) || /* TODO add MSAA */
!util_format_is_supported(format, usage)) {
DBG("not supported: format=%s, target=%d, sample_count=%d, usage=%x",
util_format_name(format), target, sample_count, usage);
return FALSE;
}
if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
(fd3_pipe2vtx(format) != (enum a3xx_vtx_fmt)~0)) {
retval |= PIPE_BIND_VERTEX_BUFFER;
}
if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
(fd3_pipe2tex(format) != (enum a3xx_tex_fmt)~0)) {
retval |= PIPE_BIND_SAMPLER_VIEW;
}
if ((usage & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED |
PIPE_BIND_BLENDABLE)) &&
(fd3_pipe2color(format) != (enum a3xx_color_fmt)~0) &&
(fd3_pipe2tex(format) != (enum a3xx_tex_fmt)~0)) {
retval |= usage & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED);
if (!util_format_is_pure_integer(format))
retval |= usage & PIPE_BIND_BLENDABLE;
}
if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
(fd_pipe2depth(format) != (enum adreno_rb_depth_format)~0) &&
(fd3_pipe2tex(format) != (enum a3xx_tex_fmt)~0)) {
retval |= PIPE_BIND_DEPTH_STENCIL;
}
if ((usage & PIPE_BIND_INDEX_BUFFER) &&
(fd_pipe2index(format) != (enum pc_di_index_size)~0)) {
retval |= PIPE_BIND_INDEX_BUFFER;
}
if (usage & PIPE_BIND_TRANSFER_READ)
retval |= PIPE_BIND_TRANSFER_READ;
if (usage & PIPE_BIND_TRANSFER_WRITE)
retval |= PIPE_BIND_TRANSFER_WRITE;
if (retval != usage) {
DBG("not supported: format=%s, target=%d, sample_count=%d, "
"usage=%x, retval=%x", util_format_name(format),
target, sample_count, usage, retval);
}
return retval == usage;
}
static boolean r300_is_format_supported(struct pipe_screen* screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned usage)
{
uint32_t retval = 0;
boolean drm_2_8_0 = r300_screen(screen)->info.drm_minor >= 8;
boolean is_r500 = r300_screen(screen)->caps.is_r500;
boolean is_r400 = r300_screen(screen)->caps.is_r400;
boolean is_color2101010 = format == PIPE_FORMAT_R10G10B10A2_UNORM ||
format == PIPE_FORMAT_R10G10B10X2_SNORM ||
format == PIPE_FORMAT_B10G10R10A2_UNORM ||
format == PIPE_FORMAT_B10G10R10X2_UNORM ||
format == PIPE_FORMAT_R10SG10SB10SA2U_NORM;
boolean is_ati1n = format == PIPE_FORMAT_RGTC1_UNORM ||
format == PIPE_FORMAT_RGTC1_SNORM ||
format == PIPE_FORMAT_LATC1_UNORM ||
format == PIPE_FORMAT_LATC1_SNORM;
boolean is_ati2n = format == PIPE_FORMAT_RGTC2_UNORM ||
format == PIPE_FORMAT_RGTC2_SNORM ||
format == PIPE_FORMAT_LATC2_UNORM ||
format == PIPE_FORMAT_LATC2_SNORM;
boolean is_x16f_xy16f = format == PIPE_FORMAT_R16_FLOAT ||
format == PIPE_FORMAT_R16G16_FLOAT ||
format == PIPE_FORMAT_A16_FLOAT ||
format == PIPE_FORMAT_L16_FLOAT ||
format == PIPE_FORMAT_L16A16_FLOAT ||
format == PIPE_FORMAT_R16A16_FLOAT ||
format == PIPE_FORMAT_I16_FLOAT;
boolean is_half_float = format == PIPE_FORMAT_R16_FLOAT ||
format == PIPE_FORMAT_R16G16_FLOAT ||
format == PIPE_FORMAT_R16G16B16_FLOAT ||
format == PIPE_FORMAT_R16G16B16A16_FLOAT ||
format == PIPE_FORMAT_R16G16B16X16_FLOAT;
const struct util_format_description *desc;
if (!util_format_is_supported(format, usage))
return FALSE;
/* Check multisampling support. */
switch (sample_count) {
case 0:
case 1:
break;
case 2:
case 4:
case 6:
/* We need DRM 2.8.0. */
if (!drm_2_8_0) {
return FALSE;
}
/* No texturing and scanout. */
if (usage & (PIPE_BIND_SAMPLER_VIEW |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT)) {
return FALSE;
}
desc = util_format_description(format);
if (is_r500) {
/* Only allow depth/stencil, RGBA8, RGBA1010102, RGBA16F. */
if (!util_format_is_depth_or_stencil(format) &&
!util_format_is_rgba8_variant(desc) &&
!util_format_is_rgba1010102_variant(desc) &&
format != PIPE_FORMAT_R16G16B16A16_FLOAT &&
format != PIPE_FORMAT_R16G16B16X16_FLOAT) {
return FALSE;
}
} else {
/* Only allow depth/stencil, RGBA8. */
if (!util_format_is_depth_or_stencil(format) &&
!util_format_is_rgba8_variant(desc)) {
return FALSE;
}
}
break;
default:
return FALSE;
}
/* Check sampler format support. */
if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
/* these two are broken for an unknown reason */
format != PIPE_FORMAT_R8G8B8X8_SNORM &&
format != PIPE_FORMAT_R16G16B16X16_SNORM &&
/* ATI1N is r5xx-only. */
(is_r500 || !is_ati1n) &&
/* ATI2N is supported on r4xx-r5xx. */
(is_r400 || is_r500 || !is_ati2n) &&
/* R16F and RG16F texture support was added in as late as DRM 2.8.0 */
(drm_2_8_0 || !is_x16f_xy16f) &&
r300_is_sampler_format_supported(format)) {
retval |= PIPE_BIND_SAMPLER_VIEW;
}
/* Check colorbuffer format support. */
if ((usage & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED |
PIPE_BIND_BLENDABLE)) &&
/* 2101010 cannot be rendered to on non-r5xx. */
(!is_color2101010 || (is_r500 && drm_2_8_0)) &&
r300_is_colorbuffer_format_supported(format)) {
retval |= usage &
(PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED);
if (r300_is_blending_supported(r300_screen(screen), format)) {
retval |= usage & PIPE_BIND_BLENDABLE;
}
}
/* Check depth-stencil format support. */
if (usage & PIPE_BIND_DEPTH_STENCIL &&
r300_is_zs_format_supported(format)) {
retval |= PIPE_BIND_DEPTH_STENCIL;
}
/* Check vertex buffer format support. */
if (usage & PIPE_BIND_VERTEX_BUFFER) {
if (r300_screen(screen)->caps.has_tcl) {
/* Half float is supported on >= R400. */
if ((is_r400 || is_r500 || !is_half_float) &&
r300_translate_vertex_data_type(format) != R300_INVALID_FORMAT) {
retval |= PIPE_BIND_VERTEX_BUFFER;
}
} else {
/* SW TCL */
if (!util_format_is_pure_integer(format)) {
retval |= PIPE_BIND_VERTEX_BUFFER;
}
}
}
/* Transfers are always supported. */
if (usage & PIPE_BIND_TRANSFER_READ)
retval |= PIPE_BIND_TRANSFER_READ;
if (usage & PIPE_BIND_TRANSFER_WRITE)
retval |= PIPE_BIND_TRANSFER_WRITE;
return retval == usage;
}
static boolean r300_is_format_supported(struct pipe_screen* screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned usage)
{
uint32_t retval = 0;
boolean drm_2_8_0 = r300_screen(screen)->info.drm_minor >= 8;
boolean is_r500 = r300_screen(screen)->caps.is_r500;
boolean is_r400 = r300_screen(screen)->caps.is_r400;
boolean is_color2101010 = format == PIPE_FORMAT_R10G10B10A2_UNORM ||
format == PIPE_FORMAT_R10G10B10X2_SNORM ||
format == PIPE_FORMAT_B10G10R10A2_UNORM ||
format == PIPE_FORMAT_R10SG10SB10SA2U_NORM;
boolean is_ati1n = format == PIPE_FORMAT_RGTC1_UNORM ||
format == PIPE_FORMAT_RGTC1_SNORM ||
format == PIPE_FORMAT_LATC1_UNORM ||
format == PIPE_FORMAT_LATC1_SNORM;
boolean is_ati2n = format == PIPE_FORMAT_RGTC2_UNORM ||
format == PIPE_FORMAT_RGTC2_SNORM ||
format == PIPE_FORMAT_LATC2_UNORM ||
format == PIPE_FORMAT_LATC2_SNORM;
boolean is_x16f_xy16f = format == PIPE_FORMAT_R16_FLOAT ||
format == PIPE_FORMAT_R16G16_FLOAT ||
format == PIPE_FORMAT_A16_FLOAT ||
format == PIPE_FORMAT_L16_FLOAT ||
format == PIPE_FORMAT_L16A16_FLOAT ||
format == PIPE_FORMAT_I16_FLOAT;
boolean is_half_float = format == PIPE_FORMAT_R16_FLOAT ||
format == PIPE_FORMAT_R16G16_FLOAT ||
format == PIPE_FORMAT_R16G16B16_FLOAT ||
format == PIPE_FORMAT_R16G16B16A16_FLOAT;
boolean is_fixed = format == PIPE_FORMAT_R32_FIXED ||
format == PIPE_FORMAT_R32G32_FIXED ||
format == PIPE_FORMAT_R32G32B32_FIXED ||
format == PIPE_FORMAT_R32G32B32A32_FIXED;
if (!util_format_is_supported(format, usage))
return FALSE;
/* Check multisampling support. */
switch (sample_count) {
case 0:
case 1:
break;
case 2:
case 3:
case 4:
case 6:
return FALSE;
#if 0
if (usage != PIPE_BIND_RENDER_TARGET ||
!util_format_is_rgba8_variant(
util_format_description(format))) {
return FALSE;
}
#endif
break;
default:
return FALSE;
}
/* Check sampler format support. */
if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
/* ATI1N is r5xx-only. */
(is_r500 || !is_ati1n) &&
/* ATI2N is supported on r4xx-r5xx. */
(is_r400 || is_r500 || !is_ati2n) &&
/* R16F and RG16F texture support was added in as late as DRM 2.8.0 */
(drm_2_8_0 || !is_x16f_xy16f) &&
r300_is_sampler_format_supported(format)) {
retval |= PIPE_BIND_SAMPLER_VIEW;
}
/* Check colorbuffer format support. */
if ((usage & (PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED)) &&
/* 2101010 cannot be rendered to on non-r5xx. */
(!is_color2101010 || (is_r500 && drm_2_8_0)) &&
r300_is_colorbuffer_format_supported(format)) {
retval |= usage &
(PIPE_BIND_RENDER_TARGET |
PIPE_BIND_DISPLAY_TARGET |
PIPE_BIND_SCANOUT |
PIPE_BIND_SHARED);
}
/* Check depth-stencil format support. */
if (usage & PIPE_BIND_DEPTH_STENCIL &&
r300_is_zs_format_supported(format)) {
retval |= PIPE_BIND_DEPTH_STENCIL;
}
/* Check vertex buffer format support. */
if (usage & PIPE_BIND_VERTEX_BUFFER &&
/* Half float is supported on >= R400. */
(is_r400 || is_r500 || !is_half_float) &&
/* We have a fallback for FIXED. */
(is_fixed || r300_translate_vertex_data_type(format) != R300_INVALID_FORMAT)) {
retval |= PIPE_BIND_VERTEX_BUFFER;
}
/* Transfers are always supported. */
if (usage & PIPE_BIND_TRANSFER_READ)
retval |= PIPE_BIND_TRANSFER_READ;
if (usage & PIPE_BIND_TRANSFER_WRITE)
retval |= PIPE_BIND_TRANSFER_WRITE;
return retval == usage;
}
static boolean
nvfx_screen_is_format_supported(struct pipe_screen *pscreen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned bind)
{
struct nvfx_screen *screen = nvfx_screen(pscreen);
if (!util_format_is_supported(format, bind))
return FALSE;
if (sample_count > 1)
return FALSE;
if (bind & PIPE_BIND_RENDER_TARGET) {
switch (format) {
case PIPE_FORMAT_B8G8R8A8_UNORM:
case PIPE_FORMAT_B8G8R8X8_UNORM:
case PIPE_FORMAT_R8G8B8A8_UNORM:
case PIPE_FORMAT_R8G8B8X8_UNORM:
case PIPE_FORMAT_B5G6R5_UNORM:
break;
case PIPE_FORMAT_R16G16B16A16_FLOAT:
if(!screen->advertise_fp16)
return FALSE;
break;
case PIPE_FORMAT_R32G32B32A32_FLOAT:
if(!screen->advertise_fp32)
return FALSE;
break;
default:
return FALSE;
}
}
if (bind & PIPE_BIND_DEPTH_STENCIL) {
switch (format) {
case PIPE_FORMAT_S8_UINT_Z24_UNORM:
case PIPE_FORMAT_X8Z24_UNORM:
case PIPE_FORMAT_Z16_UNORM:
break;
default:
return FALSE;
}
}
if (bind & PIPE_BIND_SAMPLER_VIEW) {
struct nvfx_texture_format* tf = &nvfx_texture_formats[format];
if(util_format_is_s3tc(format) && !util_format_s3tc_enabled)
return FALSE;
if(format == PIPE_FORMAT_R16G16B16A16_FLOAT && !screen->advertise_fp16)
return FALSE;
if(format == PIPE_FORMAT_R32G32B32A32_FLOAT && !screen->advertise_fp32)
return FALSE;
if(screen->use_nv4x)
{
if(tf->fmt[4] < 0)
return FALSE;
}
else
{
if(tf->fmt[0] < 0)
return FALSE;
}
}
// note that we do actually support everything through translate
if (bind & PIPE_BIND_VERTEX_BUFFER) {
unsigned type = nvfx_vertex_formats[format];
if(!type)
return FALSE;
}
if (bind & PIPE_BIND_INDEX_BUFFER) {
// 8-bit indices supported, but not in hardware index buffer
if(format != PIPE_FORMAT_R16_USCALED && format != PIPE_FORMAT_R32_USCALED)
return FALSE;
}
if(bind & PIPE_BIND_STREAM_OUTPUT)
return FALSE;
return TRUE;
}
static boolean
vc4_screen_is_format_supported(struct pipe_screen *pscreen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned usage)
{
unsigned retval = 0;
if ((target >= PIPE_MAX_TEXTURE_TYPES) ||
(sample_count > 1) ||
!util_format_is_supported(format, usage)) {
return FALSE;
}
if (usage & PIPE_BIND_VERTEX_BUFFER) {
switch (format) {
case PIPE_FORMAT_R32G32B32A32_FLOAT:
case PIPE_FORMAT_R32G32B32_FLOAT:
case PIPE_FORMAT_R32G32_FLOAT:
case PIPE_FORMAT_R32_FLOAT:
case PIPE_FORMAT_R32G32B32A32_SNORM:
case PIPE_FORMAT_R32G32B32_SNORM:
case PIPE_FORMAT_R32G32_SNORM:
case PIPE_FORMAT_R32_SNORM:
case PIPE_FORMAT_R32G32B32A32_SSCALED:
case PIPE_FORMAT_R32G32B32_SSCALED:
case PIPE_FORMAT_R32G32_SSCALED:
case PIPE_FORMAT_R32_SSCALED:
case PIPE_FORMAT_R16G16B16A16_UNORM:
case PIPE_FORMAT_R16G16B16_UNORM:
case PIPE_FORMAT_R16G16_UNORM:
case PIPE_FORMAT_R16_UNORM:
case PIPE_FORMAT_R16G16B16A16_SNORM:
case PIPE_FORMAT_R16G16B16_SNORM:
case PIPE_FORMAT_R16G16_SNORM:
case PIPE_FORMAT_R16_SNORM:
case PIPE_FORMAT_R16G16B16A16_USCALED:
case PIPE_FORMAT_R16G16B16_USCALED:
case PIPE_FORMAT_R16G16_USCALED:
case PIPE_FORMAT_R16_USCALED:
case PIPE_FORMAT_R16G16B16A16_SSCALED:
case PIPE_FORMAT_R16G16B16_SSCALED:
case PIPE_FORMAT_R16G16_SSCALED:
case PIPE_FORMAT_R16_SSCALED:
case PIPE_FORMAT_R8G8B8A8_UNORM:
case PIPE_FORMAT_R8G8B8_UNORM:
case PIPE_FORMAT_R8G8_UNORM:
case PIPE_FORMAT_R8_UNORM:
case PIPE_FORMAT_R8G8B8A8_SNORM:
case PIPE_FORMAT_R8G8B8_SNORM:
case PIPE_FORMAT_R8G8_SNORM:
case PIPE_FORMAT_R8_SNORM:
case PIPE_FORMAT_R8G8B8A8_USCALED:
case PIPE_FORMAT_R8G8B8_USCALED:
case PIPE_FORMAT_R8G8_USCALED:
case PIPE_FORMAT_R8_USCALED:
case PIPE_FORMAT_R8G8B8A8_SSCALED:
case PIPE_FORMAT_R8G8B8_SSCALED:
case PIPE_FORMAT_R8G8_SSCALED:
case PIPE_FORMAT_R8_SSCALED:
retval |= PIPE_BIND_VERTEX_BUFFER;
break;
default:
break;
}
}
if ((usage & PIPE_BIND_RENDER_TARGET) &&
vc4_rt_format_supported(format)) {
retval |= PIPE_BIND_RENDER_TARGET;
}
if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
(vc4_tex_format_supported(format))) {
retval |= PIPE_BIND_SAMPLER_VIEW;
}
if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
(format == PIPE_FORMAT_S8_UINT_Z24_UNORM ||
format == PIPE_FORMAT_X8Z24_UNORM)) {
retval |= PIPE_BIND_DEPTH_STENCIL;
}
if ((usage & PIPE_BIND_INDEX_BUFFER) &&
(format == PIPE_FORMAT_I8_UINT ||
format == PIPE_FORMAT_I16_UINT)) {
retval |= PIPE_BIND_INDEX_BUFFER;
}
if (usage & PIPE_BIND_TRANSFER_READ)
retval |= PIPE_BIND_TRANSFER_READ;
if (usage & PIPE_BIND_TRANSFER_WRITE)
retval |= PIPE_BIND_TRANSFER_WRITE;
#if 0
if (retval != usage) {
fprintf(stderr,
"not supported: format=%s, target=%d, sample_count=%d, "
"usage=0x%x, retval=0x%x\n", util_format_name(format),
target, sample_count, usage, retval);
}
#endif
return retval == usage;
}
