diff options
Diffstat (limited to 'src/gallium/drivers/r600/r600_texture.c')
| -rw-r--r-- | src/gallium/drivers/r600/r600_texture.c | 686 |
1 files changed, 686 insertions, 0 deletions
diff --git a/src/gallium/drivers/r600/r600_texture.c b/src/gallium/drivers/r600/r600_texture.c new file mode 100644 index 00000000000..c46bfa66ba1 --- /dev/null +++ b/src/gallium/drivers/r600/r600_texture.c @@ -0,0 +1,686 @@ +/* + * Copyright 2010 Jerome Glisse <[email protected]> + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * on the rights to use, copy, modify, merge, publish, distribute, sub + * license, and/or sell copies of the Software, and to permit persons to whom + * the Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL + * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM, + * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR + * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE + * USE OR OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: + * Jerome Glisse + * Corbin Simpson + */ +#include <errno.h> +#include <pipe/p_screen.h> +#include <util/u_format.h> +#include <util/u_math.h> +#include <util/u_inlines.h> +#include <util/u_memory.h> +#include "state_tracker/drm_driver.h" +#include "r600_pipe.h" +#include "r600_resource.h" +#include "r600_state_inlines.h" +#include "r600d.h" + +extern struct u_resource_vtbl r600_texture_vtbl; + +/* Copy from a tiled texture to a detiled one. */ +static void r600_copy_from_tiled_texture(struct pipe_context *ctx, struct r600_transfer *rtransfer) +{ + struct pipe_transfer *transfer = (struct pipe_transfer*)rtransfer; + struct pipe_resource *texture = transfer->resource; + struct pipe_subresource subdst; + + subdst.face = 0; + subdst.level = 0; + ctx->resource_copy_region(ctx, rtransfer->linear_texture, + subdst, 0, 0, 0, texture, transfer->sr, + transfer->box.x, transfer->box.y, transfer->box.z, + transfer->box.width, transfer->box.height); +} + +static unsigned long r600_texture_get_offset(struct r600_resource_texture *rtex, + unsigned level, unsigned zslice, + unsigned face) +{ + unsigned long offset = rtex->offset[level]; + + switch (rtex->resource.base.b.target) { + case PIPE_TEXTURE_3D: + assert(face == 0); + return offset + zslice * rtex->layer_size[level]; + case PIPE_TEXTURE_CUBE: + assert(zslice == 0); + return offset + face * rtex->layer_size[level]; + default: + assert(zslice == 0 && face == 0); + return offset; + } +} + +static void r600_setup_miptree(struct r600_resource_texture *rtex, enum chip_class chipc) +{ + struct pipe_resource *ptex = &rtex->resource.base.b; + unsigned long w, h, pitch, size, layer_size, i, offset; + + rtex->bpt = util_format_get_blocksize(ptex->format); + for (i = 0, offset = 0; i <= ptex->last_level; i++) { + w = u_minify(ptex->width0, i); + h = u_minify(ptex->height0, i); + h = util_next_power_of_two(h); + pitch = util_format_get_stride(ptex->format, align(w, 64)); + if (chipc == EVERGREEN) + pitch = align(pitch, 512); + else + pitch = align(pitch, 256); + layer_size = pitch * h; + if (ptex->target == PIPE_TEXTURE_CUBE) { + if (chipc >= R700) + size = layer_size * 8; + else + size = layer_size * 6; + } + else + size = layer_size * u_minify(ptex->depth0, i); + rtex->offset[i] = offset; + rtex->layer_size[i] = layer_size; + rtex->pitch[i] = pitch; + rtex->width[i] = w; + rtex->height[i] = h; + offset += size; + } + rtex->size = offset; +} + +struct pipe_resource *r600_texture_create(struct pipe_screen *screen, + const struct pipe_resource *templ) +{ + struct r600_resource_texture *rtex; + struct r600_resource *resource; + struct radeon *radeon = (struct radeon *)screen->winsys; + + rtex = CALLOC_STRUCT(r600_resource_texture); + if (!rtex) { + return NULL; + } + resource = &rtex->resource; + resource->base.b = *templ; + resource->base.vtbl = &r600_texture_vtbl; + pipe_reference_init(&resource->base.b.reference, 1); + resource->base.b.screen = screen; + r600_setup_miptree(rtex, r600_get_family_class(radeon)); + + /* FIXME alignment 4096 enought ? too much ? */ + resource->domain = r600_domain_from_usage(resource->base.b.bind); + resource->size = rtex->size; + resource->bo = r600_bo(radeon, rtex->size, 4096, 0); + if (resource->bo == NULL) { + FREE(rtex); + return NULL; + } + return &resource->base.b; +} + +static void r600_texture_destroy(struct pipe_screen *screen, + struct pipe_resource *ptex) +{ + struct r600_resource_texture *rtex = (struct r600_resource_texture*)ptex; + struct r600_resource *resource = &rtex->resource; + struct radeon *radeon = (struct radeon *)screen->winsys; + + if (rtex->flushed_depth_texture) + pipe_resource_reference((struct pipe_resource **)&rtex->flushed_depth_texture, NULL); + + if (resource->bo) { + r600_bo_reference(radeon, &resource->bo, NULL); + } + FREE(rtex); +} + +static struct pipe_surface *r600_get_tex_surface(struct pipe_screen *screen, + struct pipe_resource *texture, + unsigned face, unsigned level, + unsigned zslice, unsigned flags) +{ + struct r600_resource_texture *rtex = (struct r600_resource_texture*)texture; + struct pipe_surface *surface = CALLOC_STRUCT(pipe_surface); + unsigned long offset; + + if (surface == NULL) + return NULL; + offset = r600_texture_get_offset(rtex, level, zslice, face); + 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; + return surface; +} + +static void r600_tex_surface_destroy(struct pipe_surface *surface) +{ + pipe_resource_reference(&surface->texture, NULL); + FREE(surface); +} + +struct pipe_resource *r600_texture_from_handle(struct pipe_screen *screen, + const struct pipe_resource *templ, + struct winsys_handle *whandle) +{ + struct radeon *rw = (struct radeon*)screen->winsys; + struct r600_resource_texture *rtex; + struct r600_resource *resource; + struct r600_bo *bo = NULL; + + /* Support only 2D textures without mipmaps */ + if ((templ->target != PIPE_TEXTURE_2D && templ->target != PIPE_TEXTURE_RECT) || + templ->depth0 != 1 || templ->last_level != 0) + return NULL; + + rtex = CALLOC_STRUCT(r600_resource_texture); + if (rtex == NULL) + return NULL; + + bo = r600_bo_handle(rw, whandle->handle); + if (bo == NULL) { + FREE(rtex); + return NULL; + } + + resource = &rtex->resource; + resource->base.b = *templ; + resource->base.vtbl = &r600_texture_vtbl; + pipe_reference_init(&resource->base.b.reference, 1); + resource->base.b.screen = screen; + resource->bo = bo; + rtex->depth = 0; + rtex->pitch_override = whandle->stride; + rtex->bpt = util_format_get_blocksize(templ->format); + rtex->pitch[0] = whandle->stride; + rtex->width[0] = templ->width0; + rtex->height[0] = templ->height0; + rtex->offset[0] = 0; + rtex->size = align(rtex->pitch[0] * templ->height0, 64); + + return &resource->base.b; +} + +static unsigned int r600_texture_is_referenced(struct pipe_context *context, + struct pipe_resource *texture, + unsigned face, unsigned level) +{ + /* FIXME */ + return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE; +} + +int (*r600_blit_uncompress_depth_ptr)(struct pipe_context *ctx, struct r600_resource_texture *texture); + +int r600_texture_depth_flush(struct pipe_context *ctx, + struct pipe_resource *texture) +{ + struct r600_resource_texture *rtex = (struct r600_resource_texture*)texture; + struct pipe_resource resource; + + if (rtex->flushed_depth_texture) + goto out; + + resource.target = PIPE_TEXTURE_2D; + resource.format = texture->format; + resource.width0 = texture->width0; + resource.height0 = texture->height0; + resource.depth0 = 0; + resource.last_level = 0; + resource.nr_samples = 0; + resource.usage = PIPE_USAGE_DYNAMIC; + resource.bind = 0; + resource.flags = 0; + + resource.bind |= PIPE_BIND_RENDER_TARGET; + + rtex->flushed_depth_texture = (struct r600_resource_texture *)ctx->screen->resource_create(ctx->screen, &resource); + if (rtex->flushed_depth_texture == NULL) { + R600_ERR("failed to create temporary texture to hold untiled copy\n"); + return -ENOMEM; + } + +out: + r600_blit_uncompress_depth_ptr(ctx, rtex); + return 0; +} + +struct pipe_transfer* r600_texture_get_transfer(struct pipe_context *ctx, + struct pipe_resource *texture, + struct pipe_subresource sr, + unsigned usage, + const struct pipe_box *box) +{ + struct r600_resource_texture *rtex = (struct r600_resource_texture*)texture; + struct pipe_resource resource; + struct r600_transfer *trans; + int r; + + trans = CALLOC_STRUCT(r600_transfer); + if (trans == NULL) + return NULL; + pipe_resource_reference(&trans->transfer.resource, texture); + trans->transfer.sr = sr; + trans->transfer.usage = usage; + trans->transfer.box = *box; + trans->transfer.stride = rtex->pitch[sr.level]; + trans->offset = r600_texture_get_offset(rtex, sr.level, box->z, sr.face); + if (rtex->depth) { + r = r600_texture_depth_flush(ctx, texture); + if (r < 0) { + R600_ERR("failed to create temporary texture to hold untiled copy\n"); + pipe_resource_reference(&trans->transfer.resource, NULL); + FREE(trans); + return NULL; + } + } else if (rtex->tiled) { + resource.target = PIPE_TEXTURE_2D; + resource.format = texture->format; + resource.width0 = box->width; + resource.height0 = box->height; + resource.depth0 = 0; + resource.last_level = 0; + resource.nr_samples = 0; + resource.usage = PIPE_USAGE_DYNAMIC; + resource.bind = 0; + resource.flags = 0; + /* For texture reading, the temporary (detiled) texture is used as + * a render target when blitting from a tiled texture. */ + if (usage & PIPE_TRANSFER_READ) { + resource.bind |= PIPE_BIND_RENDER_TARGET; + } + /* For texture writing, the temporary texture is used as a sampler + * when blitting into a tiled texture. */ + if (usage & PIPE_TRANSFER_WRITE) { + resource.bind |= PIPE_BIND_SAMPLER_VIEW; + } + /* Create the temporary texture. */ + trans->linear_texture = ctx->screen->resource_create(ctx->screen, &resource); + if (trans->linear_texture == NULL) { + R600_ERR("failed to create temporary texture to hold untiled copy\n"); + pipe_resource_reference(&trans->transfer.resource, NULL); + FREE(trans); + return NULL; + } + if (usage & PIPE_TRANSFER_READ) { + /* We cannot map a tiled texture directly because the data is + * in a different order, therefore we do detiling using a blit. */ + r600_copy_from_tiled_texture(ctx, trans); + /* Always referenced in the blit. */ + ctx->flush(ctx, 0, NULL); + } + } + return &trans->transfer; +} + +void r600_texture_transfer_destroy(struct pipe_context *ctx, + struct pipe_transfer *transfer) +{ + struct r600_transfer *rtransfer = (struct r600_transfer*)transfer; + struct r600_resource_texture *rtex = (struct r600_resource_texture*)transfer->resource; + + if (rtransfer->linear_texture) { + pipe_resource_reference(&rtransfer->linear_texture, NULL); + } + if (rtex->flushed_depth_texture) { + if (transfer->usage & PIPE_TRANSFER_WRITE) { + // TODO + } + pipe_resource_reference((struct pipe_resource **)&rtex->flushed_depth_texture, NULL); + } + pipe_resource_reference(&transfer->resource, NULL); + FREE(transfer); +} + +void* r600_texture_transfer_map(struct pipe_context *ctx, + struct pipe_transfer* transfer) +{ + struct r600_transfer *rtransfer = (struct r600_transfer*)transfer; + struct r600_bo *bo; + enum pipe_format format = transfer->resource->format; + struct radeon *radeon = (struct radeon *)ctx->screen->winsys; + unsigned long offset = 0; + char *map; + + if (rtransfer->linear_texture) { + bo = ((struct r600_resource *)rtransfer->linear_texture)->bo; + } else { + struct r600_resource_texture *rtex = (struct r600_resource_texture*)transfer->resource; + + if (rtex->flushed_depth_texture) + bo = ((struct r600_resource *)rtex->flushed_depth_texture)->bo; + else + bo = ((struct r600_resource *)transfer->resource)->bo; + + offset = rtransfer->offset + + transfer->box.y / util_format_get_blockheight(format) * transfer->stride + + transfer->box.x / util_format_get_blockwidth(format) * util_format_get_blocksize(format); + } + map = r600_bo_map(radeon, bo, 0, ctx); + if (!map) { + return NULL; + } + + return map + offset; +} + +void r600_texture_transfer_unmap(struct pipe_context *ctx, + struct pipe_transfer* transfer) +{ + struct r600_transfer *rtransfer = (struct r600_transfer*)transfer; + struct radeon *radeon = (struct radeon *)ctx->screen->winsys; + struct r600_bo *bo; + + if (rtransfer->linear_texture) { + bo = ((struct r600_resource *)rtransfer->linear_texture)->bo; + } else { + struct r600_resource_texture *rtex = (struct r600_resource_texture*)transfer->resource; + + if (rtex->flushed_depth_texture) { + bo = ((struct r600_resource *)rtex->flushed_depth_texture)->bo; + } else { + bo = ((struct r600_resource *)transfer->resource)->bo; + } + } + r600_bo_unmap(radeon, bo); +} + +struct u_resource_vtbl r600_texture_vtbl = +{ + u_default_resource_get_handle, /* get_handle */ + r600_texture_destroy, /* resource_destroy */ + r600_texture_is_referenced, /* is_resource_referenced */ + r600_texture_get_transfer, /* get_transfer */ + r600_texture_transfer_destroy, /* transfer_destroy */ + r600_texture_transfer_map, /* transfer_map */ + u_default_transfer_flush_region,/* transfer_flush_region */ + r600_texture_transfer_unmap, /* transfer_unmap */ + u_default_transfer_inline_write /* transfer_inline_write */ +}; + +void r600_init_screen_texture_functions(struct pipe_screen *screen) +{ + screen->get_tex_surface = r600_get_tex_surface; + screen->tex_surface_destroy = r600_tex_surface_destroy; +} + +static unsigned r600_get_swizzle_combined(const unsigned char *swizzle_format, + const unsigned char *swizzle_view) +{ + unsigned i; + unsigned char swizzle[4]; + unsigned result = 0; + const uint32_t swizzle_shift[4] = { + 16, 19, 22, 25, + }; + const uint32_t swizzle_bit[4] = { + 0, 1, 2, 3, + }; + + 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); + } + + /* 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 |= V_038010_SQ_SEL_0 << swizzle_shift[i]; + break; + case UTIL_FORMAT_SWIZZLE_1: + result |= V_038010_SQ_SEL_1 << swizzle_shift[i]; + break; + default: /* UTIL_FORMAT_SWIZZLE_X */ + result |= swizzle_bit[0] << swizzle_shift[i]; + } + } + return result; +} + +/* texture format translate */ +uint32_t r600_translate_texformat(enum pipe_format format, + const unsigned char *swizzle_view, + uint32_t *word4_p, uint32_t *yuv_format_p) +{ + uint32_t result = 0, word4 = 0, yuv_format = 0; + const struct util_format_description *desc; + boolean uniform = TRUE; + int i; + const uint32_t sign_bit[4] = { + S_038010_FORMAT_COMP_X(V_038010_SQ_FORMAT_COMP_SIGNED), + S_038010_FORMAT_COMP_Y(V_038010_SQ_FORMAT_COMP_SIGNED), + S_038010_FORMAT_COMP_Z(V_038010_SQ_FORMAT_COMP_SIGNED), + S_038010_FORMAT_COMP_W(V_038010_SQ_FORMAT_COMP_SIGNED) + }; + desc = util_format_description(format); + + word4 |= r600_get_swizzle_combined(desc->swizzle, swizzle_view); + + /* Colorspace (return non-RGB formats directly). */ + switch (desc->colorspace) { + /* Depth stencil formats */ + case UTIL_FORMAT_COLORSPACE_ZS: + switch (format) { + case PIPE_FORMAT_Z16_UNORM: + result = V_0280A0_COLOR_16; + goto out_word4; + case PIPE_FORMAT_Z24X8_UNORM: + case PIPE_FORMAT_Z24_UNORM_S8_USCALED: + result = V_0280A0_COLOR_8_24; + goto out_word4; + case PIPE_FORMAT_X8Z24_UNORM: + case PIPE_FORMAT_S8_USCALED_Z24_UNORM: + result = V_0280A0_COLOR_24_8; + goto out_word4; + default: + goto out_unknown; + } + + case UTIL_FORMAT_COLORSPACE_YUV: + yuv_format |= (1 << 30); + switch (format) { + case PIPE_FORMAT_UYVY: + case PIPE_FORMAT_YUYV: + default: + break; + } + goto out_unknown; /* TODO */ + + case UTIL_FORMAT_COLORSPACE_SRGB: + word4 |= S_038010_FORCE_DEGAMMA(1); + if (format == PIPE_FORMAT_L8A8_SRGB || format == PIPE_FORMAT_L8_SRGB) + goto out_unknown; /* fails for some reason - TODO */ + break; + + default: + break; + } + + /* S3TC formats. TODO */ + if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) { + goto out_unknown; + } + + + for (i = 0; i < desc->nr_channels; i++) { + if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) { + word4 |= sign_bit[i]; + } + } + + /* R8G8Bx_SNORM - TODO CxV8U8 */ + + /* RGTC - TODO */ + + /* See whether the components are of the same size. */ + for (i = 1; i < desc->nr_channels; i++) { + uniform = uniform && desc->channel[0].size == desc->channel[i].size; + } + + /* Non-uniform formats. */ + if (!uniform) { + switch(desc->nr_channels) { + case 3: + if (desc->channel[0].size == 5 && + desc->channel[1].size == 6 && + desc->channel[2].size == 5) { + result = V_0280A0_COLOR_5_6_5; + goto out_word4; + } + goto out_unknown; + case 4: + if (desc->channel[0].size == 5 && + desc->channel[1].size == 5 && + desc->channel[2].size == 5 && + desc->channel[3].size == 1) { + result = V_0280A0_COLOR_1_5_5_5; + goto out_word4; + } + if (desc->channel[0].size == 10 && + desc->channel[1].size == 10 && + desc->channel[2].size == 10 && + desc->channel[3].size == 2) { + result = V_0280A0_COLOR_10_10_10_2; + goto out_word4; + } + goto out_unknown; + } + goto out_unknown; + } + + /* Find the first non-VOID channel. */ + for (i = 0; i < 4; i++) { + if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { + break; + } + } + + if (i == 4) + goto out_unknown; + + /* uniform formats */ + switch (desc->channel[i].type) { + case UTIL_FORMAT_TYPE_UNSIGNED: + case UTIL_FORMAT_TYPE_SIGNED: + if (!desc->channel[i].normalized && + desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) { + goto out_unknown; + } + + switch (desc->channel[i].size) { + case 4: + switch (desc->nr_channels) { + case 2: + result = V_0280A0_COLOR_4_4; + goto out_word4; + case 4: + result = V_0280A0_COLOR_4_4_4_4; + goto out_word4; + } + goto out_unknown; + case 8: + switch (desc->nr_channels) { + case 1: + result = V_0280A0_COLOR_8; + goto out_word4; + case 2: + result = V_0280A0_COLOR_8_8; + goto out_word4; + case 4: + result = V_0280A0_COLOR_8_8_8_8; + goto out_word4; + } + goto out_unknown; + case 16: + switch (desc->nr_channels) { + case 1: + result = V_0280A0_COLOR_16; + goto out_word4; + case 2: + result = V_0280A0_COLOR_16_16; + goto out_word4; + case 4: + result = V_0280A0_COLOR_16_16_16_16; + goto out_word4; + } + } + goto out_unknown; + + case UTIL_FORMAT_TYPE_FLOAT: + switch (desc->channel[i].size) { + case 16: + switch (desc->nr_channels) { + case 1: + result = V_0280A0_COLOR_16_FLOAT; + goto out_word4; + case 2: + result = V_0280A0_COLOR_16_16_FLOAT; + goto out_word4; + case 4: + result = V_0280A0_COLOR_16_16_16_16_FLOAT; + goto out_word4; + } + goto out_unknown; + case 32: + switch (desc->nr_channels) { + case 1: + result = V_0280A0_COLOR_32_FLOAT; + goto out_word4; + case 2: + result = V_0280A0_COLOR_32_32_FLOAT; + goto out_word4; + case 4: + result = V_0280A0_COLOR_32_32_32_32_FLOAT; + goto out_word4; + } + } + + } +out_word4: + if (word4_p) + *word4_p = word4; + if (yuv_format_p) + *yuv_format_p = yuv_format; + return result; +out_unknown: +// R600_ERR("Unable to handle texformat %d %s\n", format, util_format_name(format)); + return ~0; +} |