/* * 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_texture.h" #include "r300_screen.h" #include "r300_state_inlines.h" #include "radeon_winsys.h" #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 */ }; /* 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. */ static uint32_t r300_translate_texformat(enum pipe_format format) { uint32_t result = 0; const struct util_format_description *desc; unsigned components = 0, 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 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_Z24X8_UNORM: case PIPE_FORMAT_Z24S8_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_YCBCR: return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result; case PIPE_FORMAT_YCBCR_REV: 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:; } /* Add swizzle. */ for (i = 0; i < 4; i++) { switch (desc->swizzle[i]) { case UTIL_FORMAT_SWIZZLE_X: case UTIL_FORMAT_SWIZZLE_NONE: result |= R300_TX_FORMAT_X << swizzle_shift[i]; break; case UTIL_FORMAT_SWIZZLE_Y: result |= R300_TX_FORMAT_Y << swizzle_shift[i]; break; case UTIL_FORMAT_SWIZZLE_Z: result |= R300_TX_FORMAT_Z << swizzle_shift[i]; break; case UTIL_FORMAT_SWIZZLE_W: result |= R300_TX_FORMAT_W << 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. */ } } /* Compressed formats. */ if (desc->layout == UTIL_FORMAT_LAYOUT_DXT) { 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. */ } } /* Get the number of components. */ for (i = 0; i < 4; i++) { if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { ++components; } } /* Add sign. */ for (i = 0; i < components; i++) { if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) { result |= sign_bit[i]; } } /* See whether the components are of the same size. */ for (i = 1; i < components; i++) { uniform = uniform && desc->channel[0].size == desc->channel[i].size; } /* Non-uniform formats. */ if (!uniform) { switch (components) { 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 (components) { case 2: return R300_TX_FORMAT_Y4X4 | result; case 4: return R300_TX_FORMAT_W4Z4Y4X4 | result; } return ~0; case 8: switch (components) { 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 (components) { 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; /* XXX Enable float textures here. */ #if 0 case UTIL_FORMAT_TYPE_FLOAT: switch (desc->channel[0].size) { case 16: switch (components) { 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 (components) { 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. */ } /* 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_L8_SRGB: case PIPE_FORMAT_R8_UNORM: case PIPE_FORMAT_R8_SNORM: return R300_COLOR_FORMAT_I8; /* 16-bit buffers. */ case PIPE_FORMAT_R5G6B5_UNORM: return R300_COLOR_FORMAT_RGB565; case PIPE_FORMAT_A1R5G5B5_UNORM: return R300_COLOR_FORMAT_ARGB1555; case PIPE_FORMAT_A4R4G4B4_UNORM: return R300_COLOR_FORMAT_ARGB4444; /* 32-bit buffers. */ case PIPE_FORMAT_A8R8G8B8_UNORM: case PIPE_FORMAT_A8R8G8B8_SRGB: case PIPE_FORMAT_X8R8G8B8_UNORM: case PIPE_FORMAT_X8R8G8B8_SRGB: case PIPE_FORMAT_B8G8R8A8_UNORM: case PIPE_FORMAT_B8G8R8A8_SRGB: case PIPE_FORMAT_B8G8R8X8_UNORM: case PIPE_FORMAT_B8G8R8X8_SRGB: case PIPE_FORMAT_R8G8B8A8_UNORM: case PIPE_FORMAT_R8G8B8A8_SNORM: case PIPE_FORMAT_R8G8B8A8_SRGB: case PIPE_FORMAT_R8G8B8X8_UNORM: case PIPE_FORMAT_R8G8B8X8_SRGB: case PIPE_FORMAT_R8G8B8X8_SNORM: case PIPE_FORMAT_A8B8G8R8_SNORM: case PIPE_FORMAT_X8B8G8R8_SNORM: case PIPE_FORMAT_X8UB8UG8SR8S_NORM: return R300_COLOR_FORMAT_ARGB8888; case PIPE_FORMAT_A2B10G10R10_UNORM: return R500_COLOR_FORMAT_ARGB2101010; /* R5xx-only? */ /* 64-bit buffers. */ case PIPE_FORMAT_R16G16B16A16_UNORM: case PIPE_FORMAT_R16G16B16A16_SNORM: //case PIPE_FORMAT_R16G16B16A16_FLOAT: /* not in pipe_format */ return R300_COLOR_FORMAT_ARGB16161616; /* XXX Enable float textures here. */ #if 0 /* 128-bit buffers. */ case PIPE_FORMAT_R32G32B32A32_FLOAT: return R300_COLOR_FORMAT_ARGB32323232; #endif /* YUV buffers. */ case PIPE_FORMAT_YCBCR: return R300_COLOR_FORMAT_YVYU; case PIPE_FORMAT_YCBCR_REV: 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_Z24X8_UNORM: /* 24-bit depth, 8-bit stencil */ case PIPE_FORMAT_Z24S8_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->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) { /* The gamma correction causes precision loss so we need * higher precision to maintain reasonable quality. * It has nothing to do with the colorbuffer format. */ modifier |= R300_US_OUT_FMT_C4_10_GAMMA; } else 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_L8_SRGB: case PIPE_FORMAT_R8_UNORM: case PIPE_FORMAT_R8_SNORM: return modifier | R300_C2_SEL_R; /* ARGB 32-bit outputs. */ case PIPE_FORMAT_R5G6B5_UNORM: case PIPE_FORMAT_A1R5G5B5_UNORM: case PIPE_FORMAT_A4R4G4B4_UNORM: case PIPE_FORMAT_A8R8G8B8_UNORM: case PIPE_FORMAT_A8R8G8B8_SRGB: case PIPE_FORMAT_X8R8G8B8_UNORM: case PIPE_FORMAT_X8R8G8B8_SRGB: return modifier | R300_C0_SEL_B | R300_C1_SEL_G | R300_C2_SEL_R | R300_C3_SEL_A; /* BGRA 32-bit outputs. */ case PIPE_FORMAT_B8G8R8A8_UNORM: case PIPE_FORMAT_B8G8R8A8_SRGB: case PIPE_FORMAT_B8G8R8X8_UNORM: case PIPE_FORMAT_B8G8R8X8_SRGB: return modifier | R300_C0_SEL_A | R300_C1_SEL_R | R300_C2_SEL_G | R300_C3_SEL_B; /* RGBA 32-bit outputs. */ case PIPE_FORMAT_R8G8B8A8_UNORM: case PIPE_FORMAT_R8G8B8A8_SNORM: case PIPE_FORMAT_R8G8B8A8_SRGB: case PIPE_FORMAT_R8G8B8X8_UNORM: case PIPE_FORMAT_R8G8B8X8_SRGB: case PIPE_FORMAT_R8G8B8X8_SNORM: return modifier | R300_C0_SEL_A | R300_C1_SEL_B | R300_C2_SEL_G | R300_C3_SEL_R; /* ABGR 32-bit outputs. */ case PIPE_FORMAT_A8B8G8R8_SNORM: case PIPE_FORMAT_X8B8G8R8_SNORM: case PIPE_FORMAT_X8UB8UG8SR8S_NORM: case PIPE_FORMAT_A2B10G10R10_UNORM: /* RGBA high precision outputs (same swizzles as ABGR low precision) */ 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; } static void r300_setup_texture_state(struct r300_screen* screen, struct r300_texture* tex) { struct r300_texture_state* state = &tex->state; struct pipe_texture *pt = &tex->tex; unsigned i; boolean is_r500 = screen->caps->is_r500; /* Set sampler state. */ state->format0 = R300_TX_WIDTH((pt->width0 - 1) & 0x7ff) | R300_TX_HEIGHT((pt->height0 - 1) & 0x7ff); if (tex->is_npot) { /* rectangles love this */ state->format0 |= R300_TX_PITCH_EN; state->format2 = (tex->pitch[0] - 1) & 0x1fff; } else { /* power of two textures (3D, mipmaps, and no pitch) */ state->format0 |= R300_TX_DEPTH(util_logbase2(pt->depth0) & 0xf); } state->format1 = r300_translate_texformat(pt->format); if (pt->target == PIPE_TEXTURE_CUBE) { state->format1 |= R300_TX_FORMAT_CUBIC_MAP; } if (pt->target == PIPE_TEXTURE_3D) { state->format1 |= R300_TX_FORMAT_3D; } /* large textures on r500 */ if (is_r500) { if (pt->width0 > 2048) { state->format2 |= R500_TXWIDTH_BIT11; } if (pt->height0 > 2048) { state->format2 |= R500_TXHEIGHT_BIT11; } } SCREEN_DBG(screen, DBG_TEX, "r300: Set texture state (%dx%d, %d levels)\n", pt->width0, pt->height0, pt->last_level); /* Set framebuffer state. */ if (util_format_is_depth_or_stencil(tex->tex.format)) { for (i = 0; i <= tex->tex.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->tex.format); } else { for (i = 0; i <= tex->tex.last_level; i++) { tex->fb_state.colorpitch[i] = tex->pitch[i] | r300_translate_colorformat(tex->tex.format) | R300_COLOR_TILE(tex->mip_macrotile[i]) | R300_COLOR_MICROTILE(tex->microtile); } tex->fb_state.us_out_fmt = r300_translate_out_fmt(tex->tex.format); } } void r300_texture_reinterpret_format(struct pipe_screen *screen, struct pipe_texture *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_setup_texture_state(r300_screen(screen), (struct 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->tex.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->tex.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) { unsigned tile_width, width; tile_width = r300_texture_get_tile_size(tex, TILE_WIDTH, TRUE); width = u_minify(tex->tex.width0, level); /* See TX_FILTER1_n.MACRO_SWITCH. */ if (rv350_mode) { return width >= tile_width; } else { return width > tile_width; } } /** * 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->tex.last_level) { SCREEN_DBG(screen, DBG_TEX, "%s: level (%u) > last_level (%u)\n", __FUNCTION__, level, tex->tex.last_level); return 0; } width = u_minify(tex->tex.width0, level); if (!util_format_is_compressed(tex->tex.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->tex.format, width); } else { return align(util_format_get_stride(tex->tex.format, width), 32); } } static unsigned r300_texture_get_nblocksy(struct r300_texture* tex, unsigned level) { unsigned height, tile_height; height = u_minify(tex->tex.height0, level); if (!util_format_is_compressed(tex->tex.format)) { tile_height = r300_texture_get_tile_size(tex, TILE_HEIGHT, tex->mip_macrotile[level]); height = align(height, tile_height); } return util_format_get_nblocksy(tex->tex.format, height); } static void r300_setup_miptree(struct r300_screen* screen, struct r300_texture* tex) { struct pipe_texture* base = &tex->tex; 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)) ? 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->is_npot = !util_is_power_of_two(tex->tex.width0) || !util_is_power_of_two(tex->tex.height0); } /* Create a new texture. */ static struct pipe_texture* r300_texture_create(struct pipe_screen* screen, const struct pipe_texture* template) { 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->tex = *template; pipe_reference_init(&tex->tex.reference, 1); tex->tex.screen = screen; r300_setup_flags(tex); r300_setup_miptree(rscreen, tex); r300_setup_texture_state(rscreen, tex); tex->buffer = rws->buffer_create(rws, 2048, PIPE_BUFFER_USAGE_PIXEL, tex->size); rws->buffer_set_tiling(rws, tex->buffer, tex->pitch[0], tex->microtile != R300_BUFFER_LINEAR, tex->macrotile != R300_BUFFER_LINEAR); if (!tex->buffer) { FREE(tex); return NULL; } return (struct pipe_texture*)tex; } static void r300_texture_destroy(struct pipe_texture* 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 struct pipe_surface* r300_get_tex_surface(struct pipe_screen* screen, struct pipe_texture* texture, unsigned face, unsigned level, unsigned zslice, unsigned flags) { struct r300_texture* tex = (struct 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_texture_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 r300_tex_surface_destroy(struct pipe_surface* s) { pipe_texture_reference(&s->texture, NULL); FREE(s); } struct pipe_texture *r300_texture_blanket_winsys_buffer(struct pipe_screen *screen, const struct pipe_texture *base, const unsigned *stride, struct r300_winsys_buffer *buffer) { struct r300_texture* tex; struct r300_screen* rscreen = r300_screen(screen); struct r300_winsys_screen *rws = (struct r300_winsys_screen *)screen->winsys; /* Support only 2D textures without mipmaps */ if (base->target != PIPE_TEXTURE_2D || base->depth0 != 1 || base->last_level != 0) { return NULL; } tex = CALLOC_STRUCT(r300_texture); if (!tex) { return NULL; } tex->tex = *base; pipe_reference_init(&tex->tex.reference, 1); tex->tex.screen = screen; tex->stride_override = *stride; tex->pitch[0] = *stride / util_format_get_blocksize(base->format); r300_setup_flags(tex); r300_setup_texture_state(rscreen, tex); rws->buffer_reference(rws, &tex->buffer, buffer); return (struct pipe_texture*)tex; } static struct pipe_video_surface * r300_video_surface_create(struct pipe_screen *screen, enum pipe_video_chroma_format chroma_format, unsigned width, unsigned height) { struct r300_video_surface *r300_vsfc; struct pipe_texture template; assert(screen); assert(width && height); r300_vsfc = CALLOC_STRUCT(r300_video_surface); if (!r300_vsfc) return NULL; pipe_reference_init(&r300_vsfc->base.reference, 1); r300_vsfc->base.screen = screen; r300_vsfc->base.chroma_format = chroma_format; r300_vsfc->base.width = width; r300_vsfc->base.height = height; memset(&template, 0, sizeof(struct pipe_texture)); template.target = PIPE_TEXTURE_2D; template.format = PIPE_FORMAT_X8R8G8B8_UNORM; template.last_level = 0; template.width0 = util_next_power_of_two(width); template.height0 = util_next_power_of_two(height); template.depth0 = 1; template.tex_usage = PIPE_TEXTURE_USAGE_SAMPLER | PIPE_TEXTURE_USAGE_RENDER_TARGET; r300_vsfc->tex = screen->texture_create(screen, &template); if (!r300_vsfc->tex) { FREE(r300_vsfc); return NULL; } return &r300_vsfc->base; } static void r300_video_surface_destroy(struct pipe_video_surface *vsfc) { struct r300_video_surface *r300_vsfc = r300_video_surface(vsfc); pipe_texture_reference(&r300_vsfc->tex, NULL); FREE(r300_vsfc); } void r300_init_screen_texture_functions(struct pipe_screen* screen) { screen->texture_create = r300_texture_create; screen->texture_destroy = r300_texture_destroy; screen->get_tex_surface = r300_get_tex_surface; screen->tex_surface_destroy = r300_tex_surface_destroy; screen->video_surface_create = r300_video_surface_create; screen->video_surface_destroy= r300_video_surface_destroy; } boolean r300_get_texture_buffer(struct pipe_screen* screen, struct pipe_texture* texture, struct r300_winsys_buffer** buffer, unsigned* stride) { struct r300_texture* tex = (struct r300_texture*)texture; struct r300_winsys_screen *rws = (struct r300_winsys_screen *)screen->winsys; struct r300_winsys_buffer *buf; if (!tex) { return FALSE; } rws->buffer_reference(rws, &buf, tex->buffer); if (stride) { *stride = r300_texture_get_stride(r300_screen(screen), tex, 0); } *buffer = buf; return TRUE; }