/* * Copyright 2008 Corbin Simpson * Copyright 2010 Marek Olšák * * 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. */ #include "pipe/p_screen.h" #include "util/u_format.h" #include "util/u_math.h" #include "util/u_memory.h" #include "r300_context.h" #include "r300_reg.h" #include "r300_texture.h" #include "r300_transfer.h" #include "r300_screen.h" #include "r300_winsys.h" /* XXX Enable float textures here. */ /*#define ENABLE_FLOAT_TEXTURES*/ #define TILE_WIDTH 0 #define TILE_HEIGHT 1 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 */ }; /* Return true for non-compressed and non-YUV formats. */ static boolean r300_format_is_plain(enum pipe_format format) { const struct util_format_description *desc = util_format_description(format); if (!format) { return FALSE; } return desc->layout == UTIL_FORMAT_LAYOUT_PLAIN; } /* Translate a pipe_format into a useful texture format for sampling. * * Some special formats are translated directly using R300_EASY_TX_FORMAT, * but the majority of them is translated in a generic way, automatically * supporting all the formats hw can support. * * R300_EASY_TX_FORMAT swizzles the texture. * Note the signature of R300_EASY_TX_FORMAT: * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT); * * The FORMAT specifies how the texture sampler will treat the texture, and * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */ uint32_t r300_translate_texformat(enum pipe_format format, const unsigned char *swizzle) { uint32_t result = 0; 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, }; desc = util_format_description(format); /* Colorspace (return non-RGB formats directly). */ switch (desc->colorspace) { /* Depth stencil formats. */ case UTIL_FORMAT_COLORSPACE_ZS: switch (format) { case PIPE_FORMAT_Z16_UNORM: return R300_EASY_TX_FORMAT(X, X, X, X, X16); case PIPE_FORMAT_X8Z24_UNORM: case PIPE_FORMAT_S8_USCALED_Z24_UNORM: return R300_EASY_TX_FORMAT(X, X, X, X, W24_FP); default: return ~0; /* Unsupported. */ } /* YUV formats. */ case UTIL_FORMAT_COLORSPACE_YUV: result |= R300_TX_FORMAT_YUV_TO_RGB; switch (format) { case PIPE_FORMAT_UYVY: return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result; case PIPE_FORMAT_YUYV: return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result; default: return ~0; /* Unsupported/unknown. */ } /* Add gamma correction. */ case UTIL_FORMAT_COLORSPACE_SRGB: result |= R300_TX_FORMAT_GAMMA; break; default: switch (format) { /* Same as YUV but without the YUR->RGB conversion. */ case PIPE_FORMAT_R8G8_B8G8_UNORM: return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result; case PIPE_FORMAT_G8R8_G8B8_UNORM: return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result; default:; } } /* Add swizzle. */ if (!swizzle) { swizzle = desc->swizzle; } /*else { if (swizzle[0] != desc->swizzle[0] || swizzle[1] != desc->swizzle[1] || swizzle[2] != desc->swizzle[2] || swizzle[3] != desc->swizzle[3]) { const char n[6] = "RGBA01"; fprintf(stderr, "Got different swizzling! Format: %c%c%c%c, " "View: %c%c%c%c\n", n[desc->swizzle[0]], n[desc->swizzle[1]], n[desc->swizzle[2]], n[desc->swizzle[3]], n[swizzle[0]], n[swizzle[1]], n[swizzle[2]], n[swizzle[3]]); } }*/ 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. */ } } /* S3TC formats. */ if (desc->layout == UTIL_FORMAT_LAYOUT_S3TC) { switch (format) { case PIPE_FORMAT_DXT1_RGB: case PIPE_FORMAT_DXT1_RGBA: case PIPE_FORMAT_DXT1_SRGB: case PIPE_FORMAT_DXT1_SRGBA: return R300_TX_FORMAT_DXT1 | result; case PIPE_FORMAT_DXT3_RGBA: case PIPE_FORMAT_DXT3_SRGBA: return R300_TX_FORMAT_DXT3 | result; case PIPE_FORMAT_DXT5_RGBA: case PIPE_FORMAT_DXT5_SRGBA: return R300_TX_FORMAT_DXT5 | result; default: return ~0; /* Unsupported/unknown. */ } } /* Add sign. */ for (i = 0; i < desc->nr_channels; i++) { if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) { result |= sign_bit[i]; } } /* This is truly a special format. * It stores R8G8 and B is computed using sqrt(1 - R^2 - G^2) * in the sampler unit. Also known as D3DFMT_CxV8U8. */ if (format == PIPE_FORMAT_R8G8Bx_SNORM) { return R300_TX_FORMAT_CxV8U8 | result; } /* RGTC formats. */ if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) { switch (format) { case PIPE_FORMAT_RGTC1_UNORM: case PIPE_FORMAT_RGTC1_SNORM: return R500_TX_FORMAT_ATI1N | result; case PIPE_FORMAT_RGTC2_UNORM: case PIPE_FORMAT_RGTC2_SNORM: return R400_TX_FORMAT_ATI2N | result; default: return ~0; /* Unsupported/unknown. */ } } /* 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) { return R300_TX_FORMAT_Z5Y6X5 | result; } if (desc->channel[0].size == 5 && desc->channel[1].size == 5 && desc->channel[2].size == 6) { return R300_TX_FORMAT_Z6Y5X5 | result; } return ~0; /* Unsupported/unknown. */ case 4: if (desc->channel[0].size == 5 && desc->channel[1].size == 5 && desc->channel[2].size == 5 && desc->channel[3].size == 1) { return R300_TX_FORMAT_W1Z5Y5X5 | result; } if (desc->channel[0].size == 10 && desc->channel[1].size == 10 && desc->channel[2].size == 10 && desc->channel[3].size == 2) { return R300_TX_FORMAT_W2Z10Y10X10 | result; } } return ~0; /* Unsupported/unknown. */ } /* And finally, uniform formats. */ switch (desc->channel[0].type) { case UTIL_FORMAT_TYPE_UNSIGNED: case UTIL_FORMAT_TYPE_SIGNED: if (!desc->channel[0].normalized && desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) { return ~0; } switch (desc->channel[0].size) { case 4: switch (desc->nr_channels) { case 2: return R300_TX_FORMAT_Y4X4 | result; case 4: return R300_TX_FORMAT_W4Z4Y4X4 | result; } return ~0; case 8: switch (desc->nr_channels) { case 1: return R300_TX_FORMAT_X8 | result; case 2: return R300_TX_FORMAT_Y8X8 | result; case 4: return R300_TX_FORMAT_W8Z8Y8X8 | result; } return ~0; case 16: switch (desc->nr_channels) { case 1: return R300_TX_FORMAT_X16 | result; case 2: return R300_TX_FORMAT_Y16X16 | result; case 4: return R300_TX_FORMAT_W16Z16Y16X16 | result; } } return ~0; #if defined(ENABLE_FLOAT_TEXTURES) case UTIL_FORMAT_TYPE_FLOAT: switch (desc->channel[0].size) { case 16: switch (desc->nr_channels) { case 1: return R300_TX_FORMAT_16F | result; case 2: return R300_TX_FORMAT_16F_16F | result; case 4: return R300_TX_FORMAT_16F_16F_16F_16F | result; } return ~0; case 32: switch (desc->nr_channels) { case 1: return R300_TX_FORMAT_32F | result; case 2: return R300_TX_FORMAT_32F_32F | result; case 4: return R300_TX_FORMAT_32F_32F_32F_32F | result; } } #endif } return ~0; /* Unsupported/unknown. */ } uint32_t r500_tx_format_msb_bit(enum pipe_format format) { switch (format) { case PIPE_FORMAT_RGTC1_UNORM: case PIPE_FORMAT_RGTC1_SNORM: return R500_TXFORMAT_MSB; default: return 0; } } /* Buffer formats. */ /* Colorbuffer formats. This is the unswizzled format of the RB3D block's * output. For the swizzling of the targets, check the shader's format. */ static uint32_t r300_translate_colorformat(enum pipe_format format) { switch (format) { /* 8-bit buffers. */ case PIPE_FORMAT_A8_UNORM: case PIPE_FORMAT_I8_UNORM: case PIPE_FORMAT_L8_UNORM: case PIPE_FORMAT_R8_UNORM: case PIPE_FORMAT_R8_SNORM: return R300_COLOR_FORMAT_I8; /* 16-bit buffers. */ case PIPE_FORMAT_B5G6R5_UNORM: return R300_COLOR_FORMAT_RGB565; case PIPE_FORMAT_B5G5R5A1_UNORM: case PIPE_FORMAT_B5G5R5X1_UNORM: return R300_COLOR_FORMAT_ARGB1555; case PIPE_FORMAT_B4G4R4A4_UNORM: case PIPE_FORMAT_B4G4R4X4_UNORM: return R300_COLOR_FORMAT_ARGB4444; /* 32-bit buffers. */ case PIPE_FORMAT_B8G8R8A8_UNORM: case PIPE_FORMAT_B8G8R8X8_UNORM: case PIPE_FORMAT_A8R8G8B8_UNORM: case PIPE_FORMAT_X8R8G8B8_UNORM: case PIPE_FORMAT_A8B8G8R8_UNORM: case PIPE_FORMAT_R8G8B8A8_SNORM: case PIPE_FORMAT_X8B8G8R8_UNORM: case PIPE_FORMAT_R8G8B8X8_UNORM: case PIPE_FORMAT_R8SG8SB8UX8U_NORM: return R300_COLOR_FORMAT_ARGB8888; case PIPE_FORMAT_R10G10B10A2_UNORM: case PIPE_FORMAT_R10G10B10X2_SNORM: case PIPE_FORMAT_B10G10R10A2_UNORM: case PIPE_FORMAT_R10SG10SB10SA2U_NORM: return R500_COLOR_FORMAT_ARGB2101010; /* R5xx-only? */ /* 64-bit buffers. */ case PIPE_FORMAT_R16G16B16A16_UNORM: case PIPE_FORMAT_R16G16B16A16_SNORM: #if defined(ENABLE_FLOAT_TEXTURES) case PIPE_FORMAT_R16G16B16A16_FLOAT: #endif return R300_COLOR_FORMAT_ARGB16161616; /* 128-bit buffers. */ #if defined(ENABLE_FLOAT_TEXTURES) case PIPE_FORMAT_R32G32B32A32_FLOAT: return R300_COLOR_FORMAT_ARGB32323232; #endif /* YUV buffers. */ case PIPE_FORMAT_UYVY: return R300_COLOR_FORMAT_YVYU; case PIPE_FORMAT_YUYV: return R300_COLOR_FORMAT_VYUY; default: return ~0; /* Unsupported. */ } } /* Depthbuffer and stencilbuffer. Thankfully, we only support two flavors. */ static uint32_t r300_translate_zsformat(enum pipe_format format) { switch (format) { /* 16-bit depth, no stencil */ case PIPE_FORMAT_Z16_UNORM: return R300_DEPTHFORMAT_16BIT_INT_Z; /* 24-bit depth, ignored stencil */ case PIPE_FORMAT_X8Z24_UNORM: /* 24-bit depth, 8-bit stencil */ case PIPE_FORMAT_S8_USCALED_Z24_UNORM: return R300_DEPTHFORMAT_24BIT_INT_Z_8BIT_STENCIL; default: return ~0; /* Unsupported. */ } } /* Shader output formats. This is essentially the swizzle from the shader * to the RB3D block. * * Note that formats are stored from C3 to C0. */ static uint32_t r300_translate_out_fmt(enum pipe_format format) { uint32_t modifier = 0; unsigned i; const struct util_format_description *desc; static const uint32_t sign_bit[4] = { R300_OUT_SIGN(0x1), R300_OUT_SIGN(0x2), R300_OUT_SIGN(0x4), R300_OUT_SIGN(0x8), }; desc = util_format_description(format); /* Specifies how the shader output is written to the fog unit. */ if (desc->channel[0].type == UTIL_FORMAT_TYPE_FLOAT) { if (desc->channel[0].size == 32) { modifier |= R300_US_OUT_FMT_C4_32_FP; } else { modifier |= R300_US_OUT_FMT_C4_16_FP; } } else { if (desc->channel[0].size == 16) { modifier |= R300_US_OUT_FMT_C4_16; } else { /* C4_8 seems to be used for the formats whose pixel size * is <= 32 bits. */ modifier |= R300_US_OUT_FMT_C4_8; } } /* Add sign. */ for (i = 0; i < 4; i++) if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) { modifier |= sign_bit[i]; } /* Add swizzles and return. */ switch (format) { /* 8-bit outputs. * COLORFORMAT_I8 stores the C2 component. */ case PIPE_FORMAT_A8_UNORM: return modifier | R300_C2_SEL_A; case PIPE_FORMAT_I8_UNORM: case PIPE_FORMAT_L8_UNORM: case PIPE_FORMAT_R8_UNORM: case PIPE_FORMAT_R8_SNORM: return modifier | R300_C2_SEL_R; /* BGRA outputs. */ case PIPE_FORMAT_B5G6R5_UNORM: case PIPE_FORMAT_B5G5R5A1_UNORM: case PIPE_FORMAT_B5G5R5X1_UNORM: case PIPE_FORMAT_B4G4R4A4_UNORM: case PIPE_FORMAT_B4G4R4X4_UNORM: case PIPE_FORMAT_B8G8R8A8_UNORM: case PIPE_FORMAT_B8G8R8X8_UNORM: case PIPE_FORMAT_B10G10R10A2_UNORM: return modifier | R300_C0_SEL_B | R300_C1_SEL_G | R300_C2_SEL_R | R300_C3_SEL_A; /* ARGB outputs. */ case PIPE_FORMAT_A8R8G8B8_UNORM: case PIPE_FORMAT_X8R8G8B8_UNORM: return modifier | R300_C0_SEL_A | R300_C1_SEL_R | R300_C2_SEL_G | R300_C3_SEL_B; /* ABGR outputs. */ case PIPE_FORMAT_A8B8G8R8_UNORM: case PIPE_FORMAT_X8B8G8R8_UNORM: return modifier | R300_C0_SEL_A | R300_C1_SEL_B | R300_C2_SEL_G | R300_C3_SEL_R; /* RGBA outputs. */ case PIPE_FORMAT_R8G8B8X8_UNORM: case PIPE_FORMAT_R8G8B8A8_SNORM: case PIPE_FORMAT_R8SG8SB8UX8U_NORM: case PIPE_FORMAT_R10G10B10A2_UNORM: case PIPE_FORMAT_R10G10B10X2_SNORM: case PIPE_FORMAT_R10SG10SB10SA2U_NORM: case PIPE_FORMAT_R16G16B16A16_UNORM: case PIPE_FORMAT_R16G16B16A16_SNORM: //case PIPE_FORMAT_R16G16B16A16_FLOAT: /* not in pipe_format */ case PIPE_FORMAT_R32G32B32A32_FLOAT: return modifier | R300_C0_SEL_R | R300_C1_SEL_G | R300_C2_SEL_B | R300_C3_SEL_A; default: return ~0; /* Unsupported. */ } } boolean r300_is_colorbuffer_format_supported(enum pipe_format format) { return r300_translate_colorformat(format) != ~0 && r300_translate_out_fmt(format) != ~0; } boolean r300_is_zs_format_supported(enum pipe_format format) { return r300_translate_zsformat(format) != ~0; } boolean r300_is_sampler_format_supported(enum pipe_format format) { return r300_translate_texformat(format, 0) != ~0; } static void r300_texture_setup_immutable_state(struct r300_screen* screen, struct r300_texture* tex) { struct r300_texture_format_state* f = &tex->tx_format; struct pipe_resource *pt = &tex->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) { /* rectangles love this */ f->format0 |= R300_TX_PITCH_EN; f->format2 = (tex->pitch[0] - 1) & 0x1fff; } else { /* power of two textures (3D, mipmaps, and no pitch) */ f->format0 |= R300_TX_DEPTH(util_logbase2(pt->depth0) & 0xf); } f->format1 = 0; if (pt->target == PIPE_TEXTURE_CUBE) { f->format1 |= R300_TX_FORMAT_CUBIC_MAP; } if (pt->target == PIPE_TEXTURE_3D) { f->format1 |= R300_TX_FORMAT_3D; } /* large textures on r500 */ if (is_r500) { if (pt->width0 > 2048) { f->format2 |= R500_TXWIDTH_BIT11; } if (pt->height0 > 2048) { f->format2 |= R500_TXHEIGHT_BIT11; } } 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); } static void r300_texture_setup_fb_state(struct r300_screen* screen, struct r300_texture* tex) { 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->pitch[i] | R300_DEPTHMACROTILE(tex->mip_macrotile[i]) | R300_DEPTHMICROTILE(tex->microtile); } tex->fb_state.zb_format = r300_translate_zsformat(tex->b.b.format); } else { for (i = 0; i <= tex->b.b.last_level; i++) { tex->fb_state.colorpitch[i] = tex->pitch[i] | r300_translate_colorformat(tex->b.b.format) | R300_COLOR_TILE(tex->mip_macrotile[i]) | R300_COLOR_MICROTILE(tex->microtile); } tex->fb_state.us_out_fmt = r300_translate_out_fmt(tex->b.b.format); } } void r300_texture_reinterpret_format(struct pipe_screen *screen, struct pipe_resource *tex, enum pipe_format new_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)); 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-rc3 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_TEX3D_MIP_BUG) && 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.family >= CHIP_FAMILY_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); 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.family >= CHIP_FAMILY_RV350; if (!r300_format_is_plain(format)) { return; } if (tex->b.b.width0 == 1 || tex->b.b.height0 == 1) { 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; } /* 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)) return PIPE_REFERENCED_FOR_READ | PIPE_REFERENCED_FOR_WRITE; return PIPE_UNREFERENCED; } static void r300_texture_destroy(struct pipe_screen *screen, struct pipe_resource* texture) { struct r300_texture* tex = (struct r300_texture*)texture; struct r300_winsys_screen *rws = (struct r300_winsys_screen *)texture->screen->winsys; rws->buffer_reference(rws, &tex->buffer, NULL); FREE(tex); } static boolean r300_texture_get_handle(struct pipe_screen* screen, struct pipe_resource *texture, struct winsys_handle *whandle) { 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; } struct u_resource_vtbl r300_texture_vtbl = { r300_texture_get_handle, /* get_handle */ r300_texture_destroy, /* resource_destroy */ r300_texture_is_referenced, /* is_resource_referenced */ r300_texture_get_transfer, /* get_transfer */ r300_texture_transfer_destroy, /* transfer_destroy */ r300_texture_transfer_map, /* transfer_map */ u_default_transfer_flush_region, /* transfer_flush_region */ r300_texture_transfer_unmap, /* transfer_unmap */ 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) { 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; if (!tex) { 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); } r300_setup_miptree(rscreen, tex); r300_texture_3d_fix_mipmapping(rscreen, tex); 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); if (!tex->buffer) { FREE(tex); return NULL; } return (struct pipe_resource*)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) { 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; } return surface; } /* 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); } 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_winsys_buffer *buffer; struct r300_texture* tex; unsigned stride; boolean override_zb_flags; /* Support only 2D textures without mipmaps */ if (base->target != PIPE_TEXTURE_2D || base->depth0 != 1 || base->last_level != 0) { return NULL; } buffer = rws->buffer_from_handle(rws, screen, whandle, &stride); if (!buffer) { return NULL; } tex = CALLOC_STRUCT(r300_texture); if (!tex) { 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); /* Enforce microtiled zbuffer. */ override_zb_flags = util_format_is_depth_or_stencil(base->format) && tex->microtile == R300_BUFFER_LINEAR; if (override_zb_flags) { switch (util_format_get_blocksize(base->format)) { case 4: tex->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; } } r300_setup_miptree(rscreen, tex); r300_texture_setup_immutable_state(rscreen, tex); r300_texture_setup_fb_state(rscreen, tex); if (override_zb_flags) { rws->buffer_set_tiling(rws, tex->buffer, tex->pitch[0], tex->microtile, tex->macrotile); } return (struct pipe_resource*)tex; }