* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE. */
-#include "pipe/p_screen.h"
-
-#include "util/u_format.h"
-#include "util/u_math.h"
-#include "util/u_memory.h"
+/* Always include headers in the reverse order!! ~ M. */
+#include "r300_texture.h"
#include "r300_context.h"
#include "r300_reg.h"
-#include "r300_texture.h"
+#include "r300_texture_desc.h"
#include "r300_transfer.h"
#include "r300_screen.h"
#include "r300_winsys.h"
-#define TILE_WIDTH 0
-#define TILE_HEIGHT 1
+#include "util/u_format.h"
+#include "util/u_format_s3tc.h"
+#include "util/u_math.h"
+#include "util/u_memory.h"
-static const unsigned microblock_table[5][3][2] = {
- /*linear tiled square-tiled */
- {{32, 1}, {8, 4}, {0, 0}}, /* 8 bits per pixel */
- {{16, 1}, {8, 2}, {4, 4}}, /* 16 bits per pixel */
- {{ 8, 1}, {4, 2}, {0, 0}}, /* 32 bits per pixel */
- {{ 4, 1}, {0, 0}, {2, 2}}, /* 64 bits per pixel */
- {{ 2, 1}, {0, 0}, {0, 0}} /* 128 bits per pixel */
-};
+#include "pipe/p_screen.h"
-/* Return true for non-compressed and non-YUV formats. */
-static boolean r300_format_is_plain(enum pipe_format format)
+unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format,
+ const unsigned char *swizzle_view)
{
- const struct util_format_description *desc = util_format_description(format);
+ unsigned i;
+ unsigned char swizzle[4];
+ unsigned result = 0;
+ const uint32_t swizzle_shift[4] = {
+ R300_TX_FORMAT_R_SHIFT,
+ R300_TX_FORMAT_G_SHIFT,
+ R300_TX_FORMAT_B_SHIFT,
+ R300_TX_FORMAT_A_SHIFT
+ };
+ const uint32_t swizzle_bit[4] = {
+ R300_TX_FORMAT_X,
+ R300_TX_FORMAT_Y,
+ R300_TX_FORMAT_Z,
+ R300_TX_FORMAT_W
+ };
- if (!format) {
- return FALSE;
+ if (swizzle_view) {
+ /* Combine two sets of swizzles. */
+ for (i = 0; i < 4; i++) {
+ swizzle[i] = swizzle_view[i] <= UTIL_FORMAT_SWIZZLE_W ?
+ swizzle_format[swizzle_view[i]] : swizzle_view[i];
+ }
+ } else {
+ memcpy(swizzle, swizzle_format, 4);
}
- return desc->layout == UTIL_FORMAT_LAYOUT_PLAIN;
+ /* Get swizzle. */
+ for (i = 0; i < 4; i++) {
+ switch (swizzle[i]) {
+ case UTIL_FORMAT_SWIZZLE_Y:
+ result |= swizzle_bit[1] << swizzle_shift[i];
+ break;
+ case UTIL_FORMAT_SWIZZLE_Z:
+ result |= swizzle_bit[2] << swizzle_shift[i];
+ break;
+ case UTIL_FORMAT_SWIZZLE_W:
+ result |= swizzle_bit[3] << swizzle_shift[i];
+ break;
+ case UTIL_FORMAT_SWIZZLE_0:
+ result |= R300_TX_FORMAT_ZERO << swizzle_shift[i];
+ break;
+ case UTIL_FORMAT_SWIZZLE_1:
+ result |= R300_TX_FORMAT_ONE << swizzle_shift[i];
+ break;
+ default: /* UTIL_FORMAT_SWIZZLE_X */
+ result |= swizzle_bit[0] << swizzle_shift[i];
+ }
+ }
+ return result;
}
/* Translate a pipe_format into a useful texture format for sampling.
const struct util_format_description *desc;
unsigned i;
boolean uniform = TRUE;
- const uint32_t swizzle_shift[4] = {
- R300_TX_FORMAT_R_SHIFT,
- R300_TX_FORMAT_G_SHIFT,
- R300_TX_FORMAT_B_SHIFT,
- R300_TX_FORMAT_A_SHIFT
- };
- const uint32_t swizzle_bit[4] = {
- R300_TX_FORMAT_X,
- R300_TX_FORMAT_Y,
- R300_TX_FORMAT_Z,
- R300_TX_FORMAT_W
- };
const uint32_t sign_bit[4] = {
R300_TX_FORMAT_SIGNED_X,
R300_TX_FORMAT_SIGNED_Y,
R300_TX_FORMAT_SIGNED_Z,
R300_TX_FORMAT_SIGNED_W,
};
- unsigned char swizzle[4];
desc = util_format_description(format);
/* Colorspace (return non-RGB formats directly). */
switch (desc->colorspace) {
- /* Depth stencil formats. */
+ /* Depth stencil formats.
+ * Swizzles are added in r300_merge_textures_and_samplers. */
case UTIL_FORMAT_COLORSPACE_ZS:
switch (format) {
case PIPE_FORMAT_Z16_UNORM:
- return R300_EASY_TX_FORMAT(X, X, X, X, X16);
+ return R300_TX_FORMAT_X16;
case PIPE_FORMAT_X8Z24_UNORM:
case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
- return R300_EASY_TX_FORMAT(X, X, X, X, W24_FP);
+ return R500_TX_FORMAT_Y8X24;
default:
return ~0; /* Unsupported. */
}
}
}
- /* Get swizzle. */
- if (swizzle_view) {
- /* Compose two sets of swizzles. */
- for (i = 0; i < 4; i++) {
- swizzle[i] = swizzle_view[i] <= UTIL_FORMAT_SWIZZLE_W ?
- desc->swizzle[swizzle_view[i]] : swizzle_view[i];
- }
- } else {
- memcpy(swizzle, desc->swizzle, sizeof(swizzle));
- }
-
- /* Add swizzle. */
- for (i = 0; i < 4; i++) {
- switch (swizzle[i]) {
- case UTIL_FORMAT_SWIZZLE_X:
- case UTIL_FORMAT_SWIZZLE_NONE:
- result |= swizzle_bit[0] << swizzle_shift[i];
- break;
- case UTIL_FORMAT_SWIZZLE_Y:
- result |= swizzle_bit[1] << swizzle_shift[i];
- break;
- case UTIL_FORMAT_SWIZZLE_Z:
- result |= swizzle_bit[2] << swizzle_shift[i];
- break;
- case UTIL_FORMAT_SWIZZLE_W:
- result |= swizzle_bit[3] << swizzle_shift[i];
- break;
- case UTIL_FORMAT_SWIZZLE_0:
- result |= R300_TX_FORMAT_ZERO << swizzle_shift[i];
- break;
- case UTIL_FORMAT_SWIZZLE_1:
- result |= R300_TX_FORMAT_ONE << swizzle_shift[i];
- break;
- default:
- return ~0; /* Unsupported. */
- }
- }
+ result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view);
/* S3TC formats. */
if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) {
+ if (!util_format_s3tc_enabled) {
+ return ~0; /* Unsupported. */
+ }
+
switch (format) {
case PIPE_FORMAT_DXT1_RGB:
case PIPE_FORMAT_DXT1_RGBA:
switch (format) {
case PIPE_FORMAT_RGTC1_UNORM:
case PIPE_FORMAT_RGTC1_SNORM:
+ case PIPE_FORMAT_X8Z24_UNORM:
+ case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
return R500_TXFORMAT_MSB;
default:
return 0;
struct r300_texture* tex)
{
struct r300_texture_format_state* f = &tex->tx_format;
- struct pipe_resource *pt = &tex->b.b;
+ struct pipe_resource *pt = &tex->desc.b.b;
boolean is_r500 = screen->caps.is_r500;
/* Set sampler state. */
f->format0 = R300_TX_WIDTH((pt->width0 - 1) & 0x7ff) |
R300_TX_HEIGHT((pt->height0 - 1) & 0x7ff);
- if (tex->uses_pitch) {
+ if (tex->desc.uses_stride_addressing) {
/* rectangles love this */
f->format0 |= R300_TX_PITCH_EN;
- f->format2 = (tex->hwpitch[0] - 1) & 0x1fff;
+ f->format2 = (tex->desc.stride_in_pixels[0] - 1) & 0x1fff;
} else {
- /* power of two textures (3D, mipmaps, and no pitch) */
+ /* Power of two textures (3D, mipmaps, and no pitch),
+ * also NPOT textures with a width being POT. */
f->format0 |= R300_TX_DEPTH(util_logbase2(pt->depth0) & 0xf);
}
}
}
- f->tile_config = R300_TXO_MACRO_TILE(tex->macrotile) |
- R300_TXO_MICRO_TILE(tex->microtile);
-
- SCREEN_DBG(screen, DBG_TEX, "r300: Set texture state (%dx%d, %d levels)\n",
- pt->width0, pt->height0, pt->last_level);
+ f->tile_config = R300_TXO_MACRO_TILE(tex->desc.macrotile[0]) |
+ R300_TXO_MICRO_TILE(tex->desc.microtile);
}
static void r300_texture_setup_fb_state(struct r300_screen* screen,
unsigned i;
/* Set framebuffer state. */
- if (util_format_is_depth_or_stencil(tex->b.b.format)) {
- for (i = 0; i <= tex->b.b.last_level; i++) {
- tex->fb_state.depthpitch[i] =
- tex->hwpitch[i] |
- R300_DEPTHMACROTILE(tex->mip_macrotile[i]) |
- R300_DEPTHMICROTILE(tex->microtile);
+ if (util_format_is_depth_or_stencil(tex->desc.b.b.format)) {
+ for (i = 0; i <= tex->desc.b.b.last_level; i++) {
+ tex->fb_state.pitch[i] =
+ tex->desc.stride_in_pixels[i] |
+ R300_DEPTHMACROTILE(tex->desc.macrotile[i]) |
+ R300_DEPTHMICROTILE(tex->desc.microtile);
}
- tex->fb_state.zb_format = r300_translate_zsformat(tex->b.b.format);
+ tex->fb_state.format = r300_translate_zsformat(tex->desc.b.b.format);
} else {
- for (i = 0; i <= tex->b.b.last_level; i++) {
- tex->fb_state.colorpitch[i] =
- tex->hwpitch[i] |
- r300_translate_colorformat(tex->b.b.format) |
- R300_COLOR_TILE(tex->mip_macrotile[i]) |
- R300_COLOR_MICROTILE(tex->microtile);
+ for (i = 0; i <= tex->desc.b.b.last_level; i++) {
+ tex->fb_state.pitch[i] =
+ tex->desc.stride_in_pixels[i] |
+ r300_translate_colorformat(tex->desc.b.b.format) |
+ R300_COLOR_TILE(tex->desc.macrotile[i]) |
+ R300_COLOR_MICROTILE(tex->desc.microtile);
}
- tex->fb_state.us_out_fmt = r300_translate_out_fmt(tex->b.b.format);
+ tex->fb_state.format = r300_translate_out_fmt(tex->desc.b.b.format);
}
}
{
struct r300_screen *r300screen = r300_screen(screen);
- SCREEN_DBG(r300screen, DBG_TEX, "r300: Reinterpreting format: %s -> %s\n",
- util_format_name(tex->format), util_format_name(new_format));
+ SCREEN_DBG(r300screen, DBG_TEX,
+ "r300: texture_reinterpret_format: %s -> %s\n",
+ util_format_short_name(tex->format),
+ util_format_short_name(new_format));
tex->format = new_format;
r300_texture_setup_fb_state(r300_screen(screen), r300_texture(tex));
}
-unsigned r300_texture_get_offset(struct r300_texture* tex, unsigned level,
- unsigned zslice, unsigned face)
-{
- unsigned offset = tex->offset[level];
-
- switch (tex->b.b.target) {
- case PIPE_TEXTURE_3D:
- assert(face == 0);
- return offset + zslice * tex->layer_size[level];
-
- case PIPE_TEXTURE_CUBE:
- assert(zslice == 0);
- return offset + face * tex->layer_size[level];
-
- default:
- assert(zslice == 0 && face == 0);
- return offset;
- }
-}
-
-/**
- * Return the width (dim==TILE_WIDTH) or height (dim==TILE_HEIGHT) of one tile
- * of the given texture.
- */
-static unsigned r300_texture_get_tile_size(struct r300_texture* tex,
- int dim, boolean macrotile)
-{
- unsigned pixsize, tile_size;
-
- pixsize = util_format_get_blocksize(tex->b.b.format);
- tile_size = microblock_table[util_logbase2(pixsize)][tex->microtile][dim];
-
- if (macrotile) {
- tile_size *= 8;
- }
-
- assert(tile_size);
- return tile_size;
-}
-
-/* Return true if macrotiling should be enabled on the miplevel. */
-static boolean r300_texture_macro_switch(struct r300_texture *tex,
- unsigned level,
- boolean rv350_mode,
- int dim)
-{
- unsigned tile, texdim;
-
- tile = r300_texture_get_tile_size(tex, dim, TRUE);
- if (dim == TILE_WIDTH) {
- texdim = u_minify(tex->b.b.width0, level);
- } else {
- texdim = u_minify(tex->b.b.height0, level);
- }
-
- /* See TX_FILTER1_n.MACRO_SWITCH. */
- if (rv350_mode) {
- return texdim >= tile;
- } else {
- return texdim > tile;
- }
-}
-
-/**
- * Return the stride, in bytes, of the texture images of the given texture
- * at the given level.
- */
-unsigned r300_texture_get_stride(struct r300_screen* screen,
- struct r300_texture* tex, unsigned level)
-{
- unsigned tile_width, width;
-
- if (tex->stride_override)
- return tex->stride_override;
-
- /* Check the level. */
- if (level > tex->b.b.last_level) {
- SCREEN_DBG(screen, DBG_TEX, "%s: level (%u) > last_level (%u)\n",
- __FUNCTION__, level, tex->b.b.last_level);
- return 0;
- }
-
- width = u_minify(tex->b.b.width0, level);
-
- if (r300_format_is_plain(tex->b.b.format)) {
- tile_width = r300_texture_get_tile_size(tex, TILE_WIDTH,
- tex->mip_macrotile[level]);
- width = align(width, tile_width);
-
- return util_format_get_stride(tex->b.b.format, width);
- } else {
- return align(util_format_get_stride(tex->b.b.format, width), 32);
- }
-}
-
-static unsigned r300_texture_get_nblocksy(struct r300_texture* tex,
- unsigned level)
-{
- unsigned height, tile_height;
-
- height = u_minify(tex->b.b.height0, level);
-
- if (r300_format_is_plain(tex->b.b.format)) {
- tile_height = r300_texture_get_tile_size(tex, TILE_HEIGHT,
- tex->mip_macrotile[level]);
- height = align(height, tile_height);
-
- /* This is needed for the kernel checker, unfortunately. */
- height = util_next_power_of_two(height);
- }
-
- return util_format_get_nblocksy(tex->b.b.format, height);
-}
-
-static void r300_texture_3d_fix_mipmapping(struct r300_screen *screen,
- struct r300_texture *tex)
-{
- /* The kernels <= 2.6.34-rc4 compute the size of mipmapped 3D textures
- * incorrectly. This is a workaround to prevent CS from being rejected. */
-
- unsigned i, size;
-
- if (!screen->rws->get_value(screen->rws, R300_VID_DRM_2_3_0) &&
- tex->b.b.target == PIPE_TEXTURE_3D &&
- tex->b.b.last_level > 0) {
- size = 0;
-
- for (i = 0; i <= tex->b.b.last_level; i++) {
- size += r300_texture_get_stride(screen, tex, i) *
- r300_texture_get_nblocksy(tex, i);
- }
-
- size *= tex->b.b.depth0;
- tex->size = size;
- }
-}
-
-static void r300_setup_miptree(struct r300_screen* screen,
- struct r300_texture* tex)
-{
- struct pipe_resource* base = &tex->b.b;
- unsigned stride, size, layer_size, nblocksy, i;
- boolean rv350_mode = screen->caps.is_rv350;
-
- SCREEN_DBG(screen, DBG_TEX, "r300: Making miptree for texture, format %s\n",
- util_format_name(base->format));
-
- for (i = 0; i <= base->last_level; i++) {
- /* Let's see if this miplevel can be macrotiled. */
- tex->mip_macrotile[i] =
- (tex->macrotile == R300_BUFFER_TILED &&
- r300_texture_macro_switch(tex, i, rv350_mode, TILE_WIDTH) &&
- r300_texture_macro_switch(tex, i, rv350_mode, TILE_HEIGHT)) ?
- R300_BUFFER_TILED : R300_BUFFER_LINEAR;
-
- stride = r300_texture_get_stride(screen, tex, i);
- nblocksy = r300_texture_get_nblocksy(tex, i);
- layer_size = stride * nblocksy;
-
- if (base->target == PIPE_TEXTURE_CUBE)
- size = layer_size * 6;
- else
- size = layer_size * u_minify(base->depth0, i);
-
- tex->offset[i] = tex->size;
- tex->size = tex->offset[i] + size;
- tex->layer_size[i] = layer_size;
- tex->pitch[i] = stride / util_format_get_blocksize(base->format);
- tex->hwpitch[i] =
- tex->pitch[i] * util_format_get_blockwidth(base->format);
-
- SCREEN_DBG(screen, DBG_TEX, "r300: Texture miptree: Level %d "
- "(%dx%dx%d px, pitch %d bytes) %d bytes total, macrotiled %s\n",
- i, u_minify(base->width0, i), u_minify(base->height0, i),
- u_minify(base->depth0, i), stride, tex->size,
- tex->mip_macrotile[i] ? "TRUE" : "FALSE");
- }
-}
-
-static void r300_setup_flags(struct r300_texture* tex)
-{
- tex->uses_pitch = !util_is_power_of_two(tex->b.b.width0) ||
- !util_is_power_of_two(tex->b.b.height0) ||
- tex->stride_override;
-}
-
-static void r300_setup_tiling(struct pipe_screen *screen,
- struct r300_texture *tex)
-{
- struct r300_winsys_screen *rws = (struct r300_winsys_screen *)screen->winsys;
- enum pipe_format format = tex->b.b.format;
- boolean rv350_mode = r300_screen(screen)->caps.is_rv350;
- boolean is_zb = util_format_is_depth_or_stencil(format);
- boolean dbg_no_tiling = SCREEN_DBG_ON(r300_screen(screen), DBG_NO_TILING);
-
- if (!r300_format_is_plain(format)) {
- return;
- }
-
- /* If height == 1, disable microtiling except for zbuffer. */
- if (!is_zb && (tex->b.b.height0 == 1 || dbg_no_tiling)) {
- return;
- }
-
- /* Set microtiling. */
- switch (util_format_get_blocksize(format)) {
- case 1:
- case 4:
- tex->microtile = R300_BUFFER_TILED;
- break;
-
- case 2:
- case 8:
- if (rws->get_value(rws, R300_VID_SQUARE_TILING_SUPPORT)) {
- tex->microtile = R300_BUFFER_SQUARETILED;
- }
- break;
- }
-
- if (dbg_no_tiling) {
- return;
- }
-
- /* Set macrotiling. */
- if (r300_texture_macro_switch(tex, 0, rv350_mode, TILE_WIDTH) &&
- r300_texture_macro_switch(tex, 0, rv350_mode, TILE_HEIGHT)) {
- tex->macrotile = R300_BUFFER_TILED;
- }
-}
-
static unsigned r300_texture_is_referenced(struct pipe_context *context,
struct pipe_resource *texture,
unsigned face, unsigned level)
struct r300_context *r300 = r300_context(context);
struct r300_texture *rtex = (struct r300_texture *)texture;
- if (r300->rws->is_buffer_referenced(r300->rws, rtex->buffer, R300_REF_CS))
+ if (r300->rws->cs_is_buffer_referenced(r300->cs,
+ rtex->buffer, R300_REF_CS))
return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE;
return PIPE_UNREFERENCED;
{
struct r300_winsys_screen *rws = (struct r300_winsys_screen *)screen->winsys;
struct r300_texture* tex = (struct r300_texture*)texture;
- unsigned stride;
if (!tex) {
return FALSE;
}
- stride = r300_texture_get_stride(r300_screen(screen), tex, 0);
-
- rws->buffer_get_handle(rws, tex->buffer, stride, whandle);
-
- return TRUE;
+ return rws->buffer_get_handle(rws, tex->buffer,
+ tex->desc.stride_in_bytes[0], whandle);
}
-struct u_resource_vtbl r300_texture_vtbl =
+struct u_resource_vtbl r300_texture_vtbl =
{
r300_texture_get_handle, /* get_handle */
r300_texture_destroy, /* resource_destroy */
u_default_transfer_inline_write /* transfer_inline_write */
};
-/* Create a new texture. */
-struct pipe_resource* r300_texture_create(struct pipe_screen* screen,
- const struct pipe_resource* base)
+/* The common texture constructor. */
+static struct r300_texture*
+r300_texture_create_object(struct r300_screen *rscreen,
+ const struct pipe_resource *base,
+ enum r300_buffer_tiling microtile,
+ enum r300_buffer_tiling macrotile,
+ unsigned stride_in_bytes_override,
+ unsigned max_buffer_size,
+ struct r300_winsys_buffer *buffer)
{
- struct r300_texture* tex = CALLOC_STRUCT(r300_texture);
- struct r300_screen* rscreen = r300_screen(screen);
- struct r300_winsys_screen *rws = (struct r300_winsys_screen *)screen->winsys;
-
+ struct r300_winsys_screen *rws = rscreen->rws;
+ struct r300_texture *tex = CALLOC_STRUCT(r300_texture);
if (!tex) {
+ if (buffer)
+ rws->buffer_reference(rws, &buffer, NULL);
return NULL;
}
- tex->b.b = *base;
- tex->b.vtbl = &r300_texture_vtbl;
- pipe_reference_init(&tex->b.b.reference, 1);
- tex->b.b.screen = screen;
-
- r300_setup_flags(tex);
- if (!(base->flags & R300_RESOURCE_FLAG_TRANSFER) &&
- !(base->bind & PIPE_BIND_SCANOUT)) {
- r300_setup_tiling(screen, tex);
+ /* Initialize the descriptor. */
+ if (!r300_texture_desc_init(rscreen, &tex->desc, base,
+ microtile, macrotile,
+ stride_in_bytes_override,
+ max_buffer_size)) {
+ if (buffer)
+ rws->buffer_reference(rws, &buffer, NULL);
+ FREE(tex);
+ return NULL;
}
- r300_setup_miptree(rscreen, tex);
- r300_texture_3d_fix_mipmapping(rscreen, tex);
+ /* Initialize the hardware state. */
r300_texture_setup_immutable_state(rscreen, tex);
r300_texture_setup_fb_state(rscreen, tex);
- tex->buffer = rws->buffer_create(rws, 2048,
- PIPE_BIND_SAMPLER_VIEW, /* XXX */
- tex->size);
- rws->buffer_set_tiling(rws, tex->buffer,
- tex->pitch[0],
- tex->microtile,
- tex->macrotile);
+ tex->desc.b.vtbl = &r300_texture_vtbl;
+ pipe_reference_init(&tex->desc.b.b.reference, 1);
+ tex->domain = base->flags & R300_RESOURCE_FLAG_TRANSFER ?
+ R300_DOMAIN_GTT :
+ R300_DOMAIN_VRAM | R300_DOMAIN_GTT;
+ tex->buffer = buffer;
+ /* Create the backing buffer if needed. */
if (!tex->buffer) {
- FREE(tex);
- return NULL;
+ tex->buffer = rws->buffer_create(rws, tex->desc.size_in_bytes, 2048,
+ base->bind, base->usage, tex->domain);
+
+ if (!tex->buffer) {
+ FREE(tex);
+ return NULL;
+ }
}
- return (struct pipe_resource*)tex;
+ rws->buffer_set_tiling(rws, tex->buffer,
+ tex->desc.microtile, tex->desc.macrotile[0],
+ tex->desc.stride_in_bytes[0]);
+
+ return tex;
}
-/* Not required to implement u_resource_vtbl, consider moving to another file:
- */
-struct pipe_surface* r300_get_tex_surface(struct pipe_screen* screen,
- struct pipe_resource* texture,
- unsigned face,
- unsigned level,
- unsigned zslice,
- unsigned flags)
+/* Create a new texture. */
+struct pipe_resource *r300_texture_create(struct pipe_screen *screen,
+ const struct pipe_resource *base)
{
- struct r300_texture* tex = r300_texture(texture);
- struct pipe_surface* surface = CALLOC_STRUCT(pipe_surface);
- unsigned offset;
-
- offset = r300_texture_get_offset(tex, level, zslice, face);
-
- if (surface) {
- pipe_reference_init(&surface->reference, 1);
- pipe_resource_reference(&surface->texture, texture);
- surface->format = texture->format;
- surface->width = u_minify(texture->width0, level);
- surface->height = u_minify(texture->height0, level);
- surface->offset = offset;
- surface->usage = flags;
- surface->zslice = zslice;
- surface->texture = texture;
- surface->face = face;
- surface->level = level;
+ struct r300_screen *rscreen = r300_screen(screen);
+ enum r300_buffer_tiling microtile, macrotile;
+
+ /* Refuse to create a texture with size 0. */
+ if (!base->width0 ||
+ (!base->height0 && (base->target == PIPE_TEXTURE_2D ||
+ base->target == PIPE_TEXTURE_CUBE)) ||
+ (!base->depth0 && base->target == PIPE_TEXTURE_3D)) {
+ fprintf(stderr, "r300: texture_create: "
+ "Got invalid texture dimensions: %ix%ix%i\n",
+ base->width0, base->height0, base->depth0);
+ return NULL;
}
- return surface;
-}
+ if ((base->flags & R300_RESOURCE_FLAG_TRANSFER) ||
+ (base->bind & PIPE_BIND_SCANOUT)) {
+ microtile = R300_BUFFER_LINEAR;
+ macrotile = R300_BUFFER_LINEAR;
+ } else {
+ microtile = R300_BUFFER_SELECT_LAYOUT;
+ macrotile = R300_BUFFER_SELECT_LAYOUT;
+ }
-/* Not required to implement u_resource_vtbl, consider moving to another file:
- */
-void r300_tex_surface_destroy(struct pipe_surface* s)
-{
- pipe_resource_reference(&s->texture, NULL);
- FREE(s);
+ return (struct pipe_resource*)
+ r300_texture_create_object(rscreen, base, microtile, macrotile,
+ 0, 0, NULL);
}
-struct pipe_resource*
-r300_texture_from_handle(struct pipe_screen* screen,
- const struct pipe_resource* base,
- struct winsys_handle *whandle)
+struct pipe_resource *r300_texture_from_handle(struct pipe_screen *screen,
+ const struct pipe_resource *base,
+ struct winsys_handle *whandle)
{
struct r300_winsys_screen *rws = (struct r300_winsys_screen*)screen->winsys;
- struct r300_screen* rscreen = r300_screen(screen);
+ struct r300_screen *rscreen = r300_screen(screen);
struct r300_winsys_buffer *buffer;
- struct r300_texture* tex;
- unsigned stride;
- boolean override_zb_flags;
+ enum r300_buffer_tiling microtile, macrotile;
+ unsigned stride, size;
/* Support only 2D textures without mipmaps */
if (base->target != PIPE_TEXTURE_2D ||
return NULL;
}
- buffer = rws->buffer_from_handle(rws, screen, whandle, &stride);
- if (!buffer) {
- return NULL;
- }
-
- tex = CALLOC_STRUCT(r300_texture);
- if (!tex) {
+ buffer = rws->buffer_from_handle(rws, whandle, &stride, &size);
+ if (!buffer)
return NULL;
- }
-
- tex->b.b = *base;
- tex->b.vtbl = &r300_texture_vtbl;
- pipe_reference_init(&tex->b.b.reference, 1);
- tex->b.b.screen = screen;
-
- tex->stride_override = stride;
- /* one ref already taken */
- tex->buffer = buffer;
-
- rws->buffer_get_tiling(rws, buffer, &tex->microtile, &tex->macrotile);
- r300_setup_flags(tex);
+ rws->buffer_get_tiling(rws, buffer, µtile, ¯otile);
- /* Enforce microtiled zbuffer. */
- override_zb_flags = util_format_is_depth_or_stencil(base->format) &&
- tex->microtile == R300_BUFFER_LINEAR;
-
- if (override_zb_flags) {
+ /* Enforce a microtiled zbuffer. */
+ if (util_format_is_depth_or_stencil(base->format) &&
+ microtile == R300_BUFFER_LINEAR) {
switch (util_format_get_blocksize(base->format)) {
case 4:
- tex->microtile = R300_BUFFER_TILED;
+ microtile = R300_BUFFER_TILED;
break;
case 2:
- if (rws->get_value(rws, R300_VID_SQUARE_TILING_SUPPORT)) {
- tex->microtile = R300_BUFFER_SQUARETILED;
- break;
- }
- /* Pass through. */
-
- default:
- override_zb_flags = FALSE;
+ if (rws->get_value(rws, R300_VID_SQUARE_TILING_SUPPORT))
+ microtile = R300_BUFFER_SQUARETILED;
+ break;
}
}
- r300_setup_miptree(rscreen, tex);
- r300_texture_setup_immutable_state(rscreen, tex);
- r300_texture_setup_fb_state(rscreen, tex);
+ return (struct pipe_resource*)
+ r300_texture_create_object(rscreen, base, microtile, macrotile,
+ stride, size, buffer);
+}
+
+/* Not required to implement u_resource_vtbl, consider moving to another file:
+ */
+struct pipe_surface* r300_get_tex_surface(struct pipe_screen* screen,
+ struct pipe_resource* texture,
+ unsigned face,
+ unsigned level,
+ unsigned zslice,
+ unsigned flags)
+{
+ struct r300_texture* tex = r300_texture(texture);
+ struct r300_surface* surface = CALLOC_STRUCT(r300_surface);
- if (override_zb_flags) {
- rws->buffer_set_tiling(rws, tex->buffer,
- tex->pitch[0],
- tex->microtile,
- tex->macrotile);
+ if (surface) {
+ uint32_t offset, tile_height;
+
+ pipe_reference_init(&surface->base.reference, 1);
+ pipe_resource_reference(&surface->base.texture, texture);
+ surface->base.format = texture->format;
+ surface->base.width = u_minify(texture->width0, level);
+ surface->base.height = u_minify(texture->height0, level);
+ surface->base.usage = flags;
+ surface->base.zslice = zslice;
+ surface->base.face = face;
+ surface->base.level = level;
+
+ surface->buffer = tex->buffer;
+
+ /* Prefer VRAM if there are multiple domains to choose from. */
+ surface->domain = tex->domain;
+ if (surface->domain & R300_DOMAIN_VRAM)
+ surface->domain &= ~R300_DOMAIN_GTT;
+
+ surface->offset = r300_texture_get_offset(&tex->desc,
+ level, zslice, face);
+ surface->pitch = tex->fb_state.pitch[level];
+ surface->format = tex->fb_state.format;
+
+ /* Parameters for the CBZB clear. */
+ surface->cbzb_allowed = tex->desc.cbzb_allowed[level];
+ surface->cbzb_width = align(surface->base.width, 64);
+
+ /* Height must be aligned to the size of a tile. */
+ tile_height = r300_get_pixel_alignment(tex->desc.b.b.format,
+ tex->desc.b.b.nr_samples,
+ tex->desc.microtile,
+ tex->desc.macrotile[level],
+ DIM_HEIGHT);
+
+ surface->cbzb_height = align((surface->base.height + 1) / 2,
+ tile_height);
+
+ /* Offset must be aligned to 2K and must point at the beginning
+ * of a scanline. */
+ offset = surface->offset +
+ tex->desc.stride_in_bytes[level] * surface->cbzb_height;
+ surface->cbzb_midpoint_offset = offset & ~2047;
+
+ surface->cbzb_pitch = surface->pitch & 0x1ffffc;
+
+ if (util_format_get_blocksizebits(surface->base.format) == 32)
+ surface->cbzb_format = R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL;
+ else
+ surface->cbzb_format = R300_DEPTHFORMAT_16BIT_INT_Z;
+
+ SCREEN_DBG(r300_screen(screen), DBG_CBZB,
+ "CBZB Dim: %ix%i, Misalignment: %i, Macro: %s\n",
+ surface->cbzb_width, surface->cbzb_height,
+ offset & 2047,
+ tex->desc.macrotile[level] ? "YES" : " NO");
}
- return (struct pipe_resource*)tex;
+
+ return &surface->base;
+}
+
+/* Not required to implement u_resource_vtbl, consider moving to another file:
+ */
+void r300_tex_surface_destroy(struct pipe_surface* s)
+{
+ pipe_resource_reference(&s->texture, NULL);
+ FREE(s);
}