/* * Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> * Copyright 2010 Marek Olšák <maraeo@gmail.com> * * 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. */ /* Always include headers in the reverse order!! ~ M. */ #include "r300_texture.h" #include "r300_context.h" #include "r300_reg.h" #include "r300_texture_desc.h" #include "r300_transfer.h" #include "r300_screen.h" #include "util/u_format.h" #include "util/u_format_s3tc.h" #include "util/u_math.h" #include "util/u_memory.h" #include "util/u_mm.h" #include "pipe/p_screen.h" unsigned r300_get_swizzle_combined(const unsigned char *swizzle_format, const unsigned char *swizzle_view, boolean dxtc_swizzle) { 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 }; uint32_t swizzle_bit[4] = { dxtc_swizzle ? R300_TX_FORMAT_Z : R300_TX_FORMAT_X, R300_TX_FORMAT_Y, dxtc_swizzle ? R300_TX_FORMAT_X : R300_TX_FORMAT_Z, R300_TX_FORMAT_W }; if (swizzle_view) { /* Combine two sets of swizzles. */ util_format_compose_swizzles(swizzle_format, swizzle_view, swizzle); } 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 |= 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. * * 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_view, boolean is_r500, boolean dxtc_swizzle) { uint32_t result = 0; const struct util_format_description *desc; unsigned i; boolean uniform = TRUE; const uint32_t sign_bit[4] = { R300_TX_FORMAT_SIGNED_W, R300_TX_FORMAT_SIGNED_Z, R300_TX_FORMAT_SIGNED_Y, R300_TX_FORMAT_SIGNED_X, }; desc = util_format_description(format); /* Colorspace (return non-RGB formats directly). */ switch (desc->colorspace) { /* 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_TX_FORMAT_X16; case PIPE_FORMAT_X8Z24_UNORM: case PIPE_FORMAT_S8_UINT_Z24_UNORM: if (is_r500) return R500_TX_FORMAT_Y8X24; else return R300_TX_FORMAT_Y16X16; 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 swizzling. */ /* The RGTC1_SNORM and LATC1_SNORM swizzle is done in the shader. */ if (format != PIPE_FORMAT_RGTC1_SNORM && format != PIPE_FORMAT_LATC1_SNORM) { if (util_format_is_compressed(format) && dxtc_swizzle && format != PIPE_FORMAT_RGTC2_UNORM && format != PIPE_FORMAT_RGTC2_SNORM && format != PIPE_FORMAT_LATC2_UNORM && format != PIPE_FORMAT_LATC2_SNORM) { result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view, TRUE); } else { result |= r300_get_swizzle_combined(desc->swizzle, swizzle_view, FALSE); } } /* 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: 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. */ } } /* RGTC formats. */ if (desc->layout == UTIL_FORMAT_LAYOUT_RGTC) { switch (format) { case PIPE_FORMAT_RGTC1_SNORM: case PIPE_FORMAT_LATC1_SNORM: case PIPE_FORMAT_LATC1_UNORM: case PIPE_FORMAT_RGTC1_UNORM: return R500_TX_FORMAT_ATI1N | result; case PIPE_FORMAT_RGTC2_SNORM: case PIPE_FORMAT_LATC2_SNORM: result |= sign_bit[1] | sign_bit[0]; case PIPE_FORMAT_RGTC2_UNORM: case PIPE_FORMAT_LATC2_UNORM: return R400_TX_FORMAT_ATI2N | result; default: return ~0; /* Unsupported/unknown. */ } } /* 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; } /* Integer and fixed-point 16.16 textures are not supported. */ for (i = 0; i < 4; i++) { if (desc->channel[i].type == UTIL_FORMAT_TYPE_FIXED || ((desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED || desc->channel[i].type == UTIL_FORMAT_TYPE_UNSIGNED) && (!desc->channel[i].normalized || desc->channel[i].pure_integer))) { 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]; } } /* 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; } if (desc->channel[0].size == 2 && desc->channel[1].size == 3 && desc->channel[2].size == 3) { return R300_TX_FORMAT_Z3Y3X2 | 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. */ } /* 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) return ~0; /* Unsupported/unknown. */ /* And finally, 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) { return ~0; } switch (desc->channel[i].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; case UTIL_FORMAT_TYPE_FLOAT: switch (desc->channel[i].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; } } } 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: case PIPE_FORMAT_LATC1_UNORM: case PIPE_FORMAT_LATC1_SNORM: case PIPE_FORMAT_X8Z24_UNORM: case PIPE_FORMAT_S8_UINT_Z24_UNORM: 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_A8_SNORM: case PIPE_FORMAT_I8_UNORM: case PIPE_FORMAT_I8_SNORM: case PIPE_FORMAT_L8_UNORM: case PIPE_FORMAT_L8_SNORM: case PIPE_FORMAT_R8_UNORM: case PIPE_FORMAT_R8_SNORM: return R300_COLOR_FORMAT_I8; /* 16-bit buffers. */ case PIPE_FORMAT_L8A8_UNORM: case PIPE_FORMAT_L8A8_SNORM: case PIPE_FORMAT_R8G8_UNORM: case PIPE_FORMAT_R8G8_SNORM: /* These formats work fine with UV88 if US_OUT_FMT is set correctly. */ case PIPE_FORMAT_A16_UNORM: case PIPE_FORMAT_A16_SNORM: case PIPE_FORMAT_A16_FLOAT: case PIPE_FORMAT_L16_UNORM: case PIPE_FORMAT_L16_SNORM: case PIPE_FORMAT_L16_FLOAT: case PIPE_FORMAT_I16_UNORM: case PIPE_FORMAT_I16_SNORM: case PIPE_FORMAT_I16_FLOAT: case PIPE_FORMAT_R16_UNORM: case PIPE_FORMAT_R16_SNORM: case PIPE_FORMAT_R16_FLOAT: return R300_COLOR_FORMAT_UV88; 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_B8G8R8A8_SNORM:*/ case PIPE_FORMAT_B8G8R8X8_UNORM: /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/ case PIPE_FORMAT_R8G8B8A8_UNORM: case PIPE_FORMAT_R8G8B8A8_SNORM: case PIPE_FORMAT_R8G8B8X8_UNORM: /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/ /* These formats work fine with ARGB8888 if US_OUT_FMT is set * correctly. */ case PIPE_FORMAT_R16G16_UNORM: case PIPE_FORMAT_R16G16_SNORM: case PIPE_FORMAT_R16G16_FLOAT: case PIPE_FORMAT_L16A16_UNORM: case PIPE_FORMAT_L16A16_SNORM: case PIPE_FORMAT_L16A16_FLOAT: case PIPE_FORMAT_A32_FLOAT: case PIPE_FORMAT_L32_FLOAT: case PIPE_FORMAT_I32_FLOAT: case PIPE_FORMAT_R32_FLOAT: return R300_COLOR_FORMAT_ARGB8888; case PIPE_FORMAT_R10G10B10A2_UNORM: case PIPE_FORMAT_R10G10B10X2_SNORM: case PIPE_FORMAT_B10G10R10A2_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: /* These formats work fine with ARGB16161616 if US_OUT_FMT is set * correctly. */ case PIPE_FORMAT_R32G32_FLOAT: case PIPE_FORMAT_L32A32_FLOAT: return R300_COLOR_FORMAT_ARGB16161616; /* 128-bit buffers. */ case PIPE_FORMAT_R32G32B32A32_FLOAT: return R300_COLOR_FORMAT_ARGB32323232; /* 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_UINT_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; boolean uniform_sign; desc = util_format_description(format); /* 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) return ~0; /* Unsupported/unknown. */ /* Specifies how the shader output is written to the fog unit. */ switch (desc->channel[i].type) { case UTIL_FORMAT_TYPE_FLOAT: switch (desc->channel[i].size) { case 32: switch (desc->nr_channels) { case 1: modifier |= R300_US_OUT_FMT_C_32_FP; break; case 2: modifier |= R300_US_OUT_FMT_C2_32_FP; break; case 4: modifier |= R300_US_OUT_FMT_C4_32_FP; break; } break; case 16: switch (desc->nr_channels) { case 1: modifier |= R300_US_OUT_FMT_C_16_FP; break; case 2: modifier |= R300_US_OUT_FMT_C2_16_FP; break; case 4: modifier |= R300_US_OUT_FMT_C4_16_FP; break; } break; } break; default: switch (desc->channel[i].size) { case 16: switch (desc->nr_channels) { case 1: modifier |= R300_US_OUT_FMT_C_16; break; case 2: modifier |= R300_US_OUT_FMT_C2_16; break; case 4: modifier |= R300_US_OUT_FMT_C4_16; break; } break; case 10: modifier |= R300_US_OUT_FMT_C4_10; break; default: /* C4_8 seems to be used for the formats whose pixel size * is <= 32 bits. */ modifier |= R300_US_OUT_FMT_C4_8; break; } } /* Add sign. */ uniform_sign = TRUE; for (i = 0; i < desc->nr_channels; i++) if (desc->channel[i].type != UTIL_FORMAT_TYPE_SIGNED) uniform_sign = FALSE; if (uniform_sign) modifier |= R300_OUT_SIGN(0xf); /* Add swizzles and return. */ switch (format) { /*** Special cases (non-standard channel mapping) ***/ /* X8 * COLORFORMAT_I8 stores the Z component (C2). */ case PIPE_FORMAT_A8_UNORM: case PIPE_FORMAT_A8_SNORM: return modifier | R300_C2_SEL_A; case PIPE_FORMAT_I8_UNORM: case PIPE_FORMAT_I8_SNORM: case PIPE_FORMAT_L8_UNORM: case PIPE_FORMAT_L8_SNORM: case PIPE_FORMAT_R8_UNORM: case PIPE_FORMAT_R8_SNORM: return modifier | R300_C2_SEL_R; /* X8Y8 * COLORFORMAT_UV88 stores ZX (C2 and C0). */ case PIPE_FORMAT_L8A8_SNORM: case PIPE_FORMAT_L8A8_UNORM: return modifier | R300_C0_SEL_A | R300_C2_SEL_R; case PIPE_FORMAT_R8G8_SNORM: case PIPE_FORMAT_R8G8_UNORM: return modifier | R300_C0_SEL_G | R300_C2_SEL_R; /* X32Y32 * ARGB16161616 stores XZ for RG32F */ case PIPE_FORMAT_R32G32_FLOAT: return modifier | R300_C0_SEL_R | R300_C2_SEL_G; /*** Generic cases (standard channel mapping) ***/ /* 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_B8G8R8A8_SNORM:*/ case PIPE_FORMAT_B8G8R8X8_UNORM: /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/ 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_A16_UNORM: case PIPE_FORMAT_A16_SNORM: case PIPE_FORMAT_A16_FLOAT: case PIPE_FORMAT_A32_FLOAT: return modifier | R300_C0_SEL_A | R300_C1_SEL_R | R300_C2_SEL_G | R300_C3_SEL_B; /* RGBA outputs. */ case PIPE_FORMAT_R8G8B8X8_UNORM: /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/ case PIPE_FORMAT_R8G8B8A8_UNORM: case PIPE_FORMAT_R8G8B8A8_SNORM: case PIPE_FORMAT_R10G10B10A2_UNORM: case PIPE_FORMAT_R10G10B10X2_SNORM: case PIPE_FORMAT_R16_UNORM: case PIPE_FORMAT_R16G16_UNORM: case PIPE_FORMAT_R16G16B16A16_UNORM: case PIPE_FORMAT_R16_SNORM: case PIPE_FORMAT_R16G16_SNORM: case PIPE_FORMAT_R16G16B16A16_SNORM: case PIPE_FORMAT_R16_FLOAT: case PIPE_FORMAT_R16G16_FLOAT: case PIPE_FORMAT_R16G16B16A16_FLOAT: case PIPE_FORMAT_R32_FLOAT: case PIPE_FORMAT_R32G32B32A32_FLOAT: case PIPE_FORMAT_L16_UNORM: case PIPE_FORMAT_L16_SNORM: case PIPE_FORMAT_L16_FLOAT: case PIPE_FORMAT_L32_FLOAT: case PIPE_FORMAT_I16_UNORM: case PIPE_FORMAT_I16_SNORM: case PIPE_FORMAT_I16_FLOAT: case PIPE_FORMAT_I32_FLOAT: return modifier | R300_C0_SEL_R | R300_C1_SEL_G | R300_C2_SEL_B | R300_C3_SEL_A; /* LA outputs. */ case PIPE_FORMAT_L16A16_UNORM: case PIPE_FORMAT_L16A16_SNORM: case PIPE_FORMAT_L16A16_FLOAT: case PIPE_FORMAT_L32A32_FLOAT: return modifier | R300_C0_SEL_R | R300_C1_SEL_A; default: return ~0; /* Unsupported. */ } } static uint32_t r300_translate_colormask_swizzle(enum pipe_format format) { switch (format) { case PIPE_FORMAT_A8_UNORM: case PIPE_FORMAT_A8_SNORM: case PIPE_FORMAT_A16_UNORM: case PIPE_FORMAT_A16_SNORM: case PIPE_FORMAT_A16_FLOAT: case PIPE_FORMAT_A32_FLOAT: return COLORMASK_AAAA; case PIPE_FORMAT_I8_UNORM: case PIPE_FORMAT_I8_SNORM: case PIPE_FORMAT_L8_UNORM: case PIPE_FORMAT_L8_SNORM: case PIPE_FORMAT_R8_UNORM: case PIPE_FORMAT_R8_SNORM: case PIPE_FORMAT_R32_FLOAT: case PIPE_FORMAT_L32_FLOAT: case PIPE_FORMAT_I32_FLOAT: return COLORMASK_RRRR; case PIPE_FORMAT_L8A8_SNORM: case PIPE_FORMAT_L8A8_UNORM: case PIPE_FORMAT_L16A16_UNORM: case PIPE_FORMAT_L16A16_SNORM: case PIPE_FORMAT_L16A16_FLOAT: case PIPE_FORMAT_L32A32_FLOAT: return COLORMASK_ARRA; case PIPE_FORMAT_R8G8_SNORM: case PIPE_FORMAT_R8G8_UNORM: case PIPE_FORMAT_R16G16_UNORM: case PIPE_FORMAT_R16G16_SNORM: case PIPE_FORMAT_R16G16_FLOAT: case PIPE_FORMAT_R32G32_FLOAT: return COLORMASK_GRRG; case PIPE_FORMAT_B5G5R5X1_UNORM: case PIPE_FORMAT_B4G4R4X4_UNORM: case PIPE_FORMAT_B8G8R8X8_UNORM: /*case PIPE_FORMAT_B8G8R8X8_SNORM:*/ return COLORMASK_BGRX; case PIPE_FORMAT_B5G6R5_UNORM: case PIPE_FORMAT_B5G5R5A1_UNORM: case PIPE_FORMAT_B4G4R4A4_UNORM: case PIPE_FORMAT_B8G8R8A8_UNORM: /*case PIPE_FORMAT_B8G8R8A8_SNORM:*/ case PIPE_FORMAT_B10G10R10A2_UNORM: return COLORMASK_BGRA; case PIPE_FORMAT_R8G8B8X8_UNORM: /*case PIPE_FORMAT_R8G8B8X8_SNORM:*/ case PIPE_FORMAT_R10G10B10X2_SNORM: return COLORMASK_RGBX; case PIPE_FORMAT_R8G8B8A8_UNORM: case PIPE_FORMAT_R8G8B8A8_SNORM: case PIPE_FORMAT_R10G10B10A2_UNORM: case PIPE_FORMAT_R16_UNORM: case PIPE_FORMAT_R16G16B16A16_UNORM: case PIPE_FORMAT_R16_SNORM: case PIPE_FORMAT_R16G16B16A16_SNORM: case PIPE_FORMAT_R16_FLOAT: case PIPE_FORMAT_R16G16B16A16_FLOAT: case PIPE_FORMAT_R32G32B32A32_FLOAT: case PIPE_FORMAT_L16_UNORM: case PIPE_FORMAT_L16_SNORM: case PIPE_FORMAT_L16_FLOAT: case PIPE_FORMAT_I16_UNORM: case PIPE_FORMAT_I16_SNORM: case PIPE_FORMAT_I16_FLOAT: return COLORMASK_RGBA; 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 && r300_translate_colormask_swizzle(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, TRUE, FALSE) != ~0; } void r300_texture_setup_format_state(struct r300_screen *screen, struct r300_resource *tex, enum pipe_format format, unsigned level, unsigned width0_override, unsigned height0_override, struct r300_texture_format_state *out) { struct pipe_resource *pt = &tex->b.b; struct r300_texture_desc *desc = &tex->tex; boolean is_r500 = screen->caps.is_r500; unsigned width, height, depth; unsigned txwidth, txheight, txdepth; width = u_minify(width0_override, level); height = u_minify(height0_override, level); depth = u_minify(desc->depth0, level); txwidth = (width - 1) & 0x7ff; txheight = (height - 1) & 0x7ff; txdepth = util_logbase2(depth) & 0xf; /* Mask out all the fields we change. */ out->format0 = 0; out->format1 &= ~R300_TX_FORMAT_TEX_COORD_TYPE_MASK; out->format2 &= R500_TXFORMAT_MSB; out->tile_config = 0; /* Set sampler state. */ out->format0 = R300_TX_WIDTH(txwidth) | R300_TX_HEIGHT(txheight) | R300_TX_DEPTH(txdepth); if (desc->uses_stride_addressing) { unsigned stride = r300_stride_to_width(format, desc->stride_in_bytes[level]); /* rectangles love this */ out->format0 |= R300_TX_PITCH_EN; out->format2 = (stride - 1) & 0x1fff; } if (pt->target == PIPE_TEXTURE_CUBE) { out->format1 |= R300_TX_FORMAT_CUBIC_MAP; } if (pt->target == PIPE_TEXTURE_3D) { out->format1 |= R300_TX_FORMAT_3D; } /* large textures on r500 */ if (is_r500) { unsigned us_width = txwidth; unsigned us_height = txheight; unsigned us_depth = txdepth; if (width > 2048) { out->format2 |= R500_TXWIDTH_BIT11; } if (height > 2048) { out->format2 |= R500_TXHEIGHT_BIT11; } /* The US_FORMAT register fixes an R500 TX addressing bug. * Don't ask why it must be set like this. I don't know it either. */ if (width > 2048) { us_width = (0x000007FF + us_width) >> 1; us_depth |= 0x0000000D; } if (height > 2048) { us_height = (0x000007FF + us_height) >> 1; us_depth |= 0x0000000E; } out->us_format0 = R300_TX_WIDTH(us_width) | R300_TX_HEIGHT(us_height) | R300_TX_DEPTH(us_depth); } out->tile_config = R300_TXO_MACRO_TILE(desc->macrotile[level]) | R300_TXO_MICRO_TILE(desc->microtile); } static void r300_texture_setup_fb_state(struct r300_surface *surf) { struct r300_resource *tex = r300_resource(surf->base.texture); unsigned level = surf->base.u.tex.level; unsigned stride = r300_stride_to_width(surf->base.format, tex->tex.stride_in_bytes[level]); /* Set framebuffer state. */ if (util_format_is_depth_or_stencil(surf->base.format)) { surf->pitch = stride | R300_DEPTHMACROTILE(tex->tex.macrotile[level]) | R300_DEPTHMICROTILE(tex->tex.microtile); surf->format = r300_translate_zsformat(surf->base.format); surf->pitch_zmask = tex->tex.zmask_stride_in_pixels[level]; surf->pitch_hiz = tex->tex.hiz_stride_in_pixels[level]; } else { surf->pitch = stride | r300_translate_colorformat(surf->base.format) | R300_COLOR_TILE(tex->tex.macrotile[level]) | R300_COLOR_MICROTILE(tex->tex.microtile); surf->format = r300_translate_out_fmt(surf->base.format); surf->colormask_swizzle = r300_translate_colormask_swizzle(surf->base.format); surf->pitch_cmask = tex->tex.cmask_stride_in_pixels; } } static void r300_texture_destroy(struct pipe_screen *screen, struct pipe_resource* texture) { struct r300_screen *rscreen = r300_screen(screen); struct r300_resource* tex = (struct r300_resource*)texture; if (tex->tex.cmask_dwords) { pipe_mutex_lock(rscreen->cmask_mutex); if (texture == rscreen->cmask_resource) { rscreen->cmask_resource = NULL; } pipe_mutex_unlock(rscreen->cmask_mutex); } pb_reference(&tex->buf, NULL); FREE(tex); } boolean r300_resource_get_handle(struct pipe_screen* screen, struct pipe_resource *texture, struct winsys_handle *whandle) { struct radeon_winsys *rws = r300_screen(screen)->rws; struct r300_resource* tex = (struct r300_resource*)texture; if (!tex) { return FALSE; } return rws->buffer_get_handle(tex->buf, tex->tex.stride_in_bytes[0], whandle); } static const struct u_resource_vtbl r300_texture_vtbl = { NULL, /* get_handle */ r300_texture_destroy, /* resource_destroy */ r300_texture_transfer_map, /* transfer_map */ NULL, /* transfer_flush_region */ r300_texture_transfer_unmap, /* transfer_unmap */ NULL /* transfer_inline_write */ }; /* The common texture constructor. */ static struct r300_resource* r300_texture_create_object(struct r300_screen *rscreen, const struct pipe_resource *base, enum radeon_bo_layout microtile, enum radeon_bo_layout macrotile, unsigned stride_in_bytes_override, struct pb_buffer *buffer) { struct radeon_winsys *rws = rscreen->rws; struct r300_resource *tex = NULL; tex = CALLOC_STRUCT(r300_resource); if (!tex) { goto fail; } pipe_reference_init(&tex->b.b.reference, 1); tex->b.b.screen = &rscreen->screen; tex->b.b.usage = base->usage; tex->b.b.bind = base->bind; tex->b.b.flags = base->flags; tex->b.vtbl = &r300_texture_vtbl; tex->tex.microtile = microtile; tex->tex.macrotile[0] = macrotile; tex->tex.stride_in_bytes_override = stride_in_bytes_override; tex->domain = base->flags & R300_RESOURCE_FLAG_TRANSFER ? RADEON_DOMAIN_GTT : base->nr_samples > 1 ? RADEON_DOMAIN_VRAM : RADEON_DOMAIN_VRAM | RADEON_DOMAIN_GTT; tex->buf = buffer; r300_texture_desc_init(rscreen, tex, base); /* Figure out the ideal placement for the texture.. */ if (tex->domain & RADEON_DOMAIN_VRAM && tex->tex.size_in_bytes >= rscreen->info.vram_size) { tex->domain &= ~RADEON_DOMAIN_VRAM; tex->domain |= RADEON_DOMAIN_GTT; } if (tex->domain & RADEON_DOMAIN_GTT && tex->tex.size_in_bytes >= rscreen->info.gart_size) { tex->domain &= ~RADEON_DOMAIN_GTT; } /* Just fail if the texture is too large. */ if (!tex->domain) { goto fail; } /* Create the backing buffer if needed. */ if (!tex->buf) { tex->buf = rws->buffer_create(rws, tex->tex.size_in_bytes, 2048, TRUE, tex->domain); if (!tex->buf) { goto fail; } } if (SCREEN_DBG_ON(rscreen, DBG_MSAA) && base->nr_samples > 1) { fprintf(stderr, "r300: %ix MSAA %s buffer created\n", base->nr_samples, util_format_is_depth_or_stencil(base->format) ? "depth" : "color"); } tex->cs_buf = rws->buffer_get_cs_handle(tex->buf); rws->buffer_set_tiling(tex->buf, NULL, tex->tex.microtile, tex->tex.macrotile[0], 0, 0, 0, 0, 0, tex->tex.stride_in_bytes[0]); return tex; fail: FREE(tex); if (buffer) pb_reference(&buffer, NULL); return NULL; } /* Create a new texture. */ struct pipe_resource *r300_texture_create(struct pipe_screen *screen, const struct pipe_resource *base) { struct r300_screen *rscreen = r300_screen(screen); enum radeon_bo_layout microtile, macrotile; if ((base->flags & R300_RESOURCE_FLAG_TRANSFER) || (base->bind & PIPE_BIND_SCANOUT)) { microtile = RADEON_LAYOUT_LINEAR; macrotile = RADEON_LAYOUT_LINEAR; } else { /* This will make the texture_create_function select the layout. */ microtile = RADEON_LAYOUT_UNKNOWN; macrotile = RADEON_LAYOUT_UNKNOWN; } return (struct pipe_resource*) r300_texture_create_object(rscreen, base, microtile, macrotile, 0, NULL); } struct pipe_resource *r300_texture_from_handle(struct pipe_screen *screen, const struct pipe_resource *base, struct winsys_handle *whandle) { struct r300_screen *rscreen = r300_screen(screen); struct radeon_winsys *rws = rscreen->rws; struct pb_buffer *buffer; enum radeon_bo_layout microtile, macrotile; unsigned stride; /* Support only 2D textures without mipmaps */ if ((base->target != PIPE_TEXTURE_2D && base->target != PIPE_TEXTURE_RECT) || base->depth0 != 1 || base->last_level != 0) { return NULL; } buffer = rws->buffer_from_handle(rws, whandle, &stride); if (!buffer) return NULL; rws->buffer_get_tiling(buffer, µtile, ¯otile, NULL, NULL, NULL, NULL, NULL); /* Enforce a microtiled zbuffer. */ if (util_format_is_depth_or_stencil(base->format) && microtile == RADEON_LAYOUT_LINEAR) { switch (util_format_get_blocksize(base->format)) { case 4: microtile = RADEON_LAYOUT_TILED; break; case 2: microtile = RADEON_LAYOUT_SQUARETILED; break; } } return (struct pipe_resource*) r300_texture_create_object(rscreen, base, microtile, macrotile, stride, buffer); } /* Not required to implement u_resource_vtbl, consider moving to another file: */ struct pipe_surface* r300_create_surface_custom(struct pipe_context * ctx, struct pipe_resource* texture, const struct pipe_surface *surf_tmpl, unsigned width0_override, unsigned height0_override) { struct r300_resource* tex = r300_resource(texture); struct r300_surface* surface = CALLOC_STRUCT(r300_surface); unsigned level = surf_tmpl->u.tex.level; assert(surf_tmpl->u.tex.first_layer == surf_tmpl->u.tex.last_layer); if (surface) { uint32_t offset, tile_height; pipe_reference_init(&surface->base.reference, 1); pipe_resource_reference(&surface->base.texture, texture); surface->base.context = ctx; surface->base.format = surf_tmpl->format; surface->base.width = u_minify(width0_override, level); surface->base.height = u_minify(height0_override, level); surface->base.u.tex.level = level; surface->base.u.tex.first_layer = surf_tmpl->u.tex.first_layer; surface->base.u.tex.last_layer = surf_tmpl->u.tex.last_layer; surface->buf = tex->buf; surface->cs_buf = tex->cs_buf; /* Prefer VRAM if there are multiple domains to choose from. */ surface->domain = tex->domain; if (surface->domain & RADEON_DOMAIN_VRAM) surface->domain &= ~RADEON_DOMAIN_GTT; surface->offset = r300_texture_get_offset(tex, level, surf_tmpl->u.tex.first_layer); r300_texture_setup_fb_state(surface); /* Parameters for the CBZB clear. */ surface->cbzb_allowed = tex->tex.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(surface->base.format, tex->b.b.nr_samples, tex->tex.microtile, tex->tex.macrotile[level], DIM_HEIGHT, 0); 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->tex.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; DBG(r300_context(ctx), DBG_CBZB, "CBZB Allowed: %s, Dim: %ix%i, Misalignment: %i, Micro: %s, Macro: %s\n", surface->cbzb_allowed ? "YES" : " NO", surface->cbzb_width, surface->cbzb_height, offset & 2047, tex->tex.microtile ? "YES" : " NO", tex->tex.macrotile[level] ? "YES" : " NO"); } return &surface->base; } struct pipe_surface* r300_create_surface(struct pipe_context * ctx, struct pipe_resource* texture, const struct pipe_surface *surf_tmpl) { return r300_create_surface_custom(ctx, texture, surf_tmpl, texture->width0, texture->height0); } /* Not required to implement u_resource_vtbl, consider moving to another file: */ void r300_surface_destroy(struct pipe_context *ctx, struct pipe_surface* s) { pipe_resource_reference(&s->texture, NULL); FREE(s); }