diff options
author | Rafael Antognolli <[email protected]> | 2017-05-30 15:08:17 -0700 |
---|---|---|
committer | Rafael Antognolli <[email protected]> | 2017-06-22 16:51:51 -0700 |
commit | e54791593580be37deea36f9aa09c602d7ea8e07 (patch) | |
tree | c8aefb467952b014ac530105aafd2986c59da50e /src/mesa/drivers/dri | |
parent | e30bbe32a3177f36eebd9164dea0a406e308e043 (diff) |
i965: Remove unused code and delete file.
The sampler state code was all moved to genxml, so we can get rid of these
functions and delete the file.
Signed-off-by: Rafael Antognolli <[email protected]>
Reviewed-by: Lionel Landwerlin <[email protected]>
Diffstat (limited to 'src/mesa/drivers/dri')
-rw-r--r-- | src/mesa/drivers/dri/i965/Makefile.sources | 1 | ||||
-rw-r--r-- | src/mesa/drivers/dri/i965/brw_sampler_state.c | 625 |
2 files changed, 0 insertions, 626 deletions
diff --git a/src/mesa/drivers/dri/i965/Makefile.sources b/src/mesa/drivers/dri/i965/Makefile.sources index 8bac8039ce2..405d67f87d7 100644 --- a/src/mesa/drivers/dri/i965/Makefile.sources +++ b/src/mesa/drivers/dri/i965/Makefile.sources @@ -43,7 +43,6 @@ i965_FILES = \ brw_primitive_restart.c \ brw_queryobj.c \ brw_reset.c \ - brw_sampler_state.c \ brw_sf.c \ brw_state_batch.c \ brw_state.h \ diff --git a/src/mesa/drivers/dri/i965/brw_sampler_state.c b/src/mesa/drivers/dri/i965/brw_sampler_state.c deleted file mode 100644 index 4ac8e947601..00000000000 --- a/src/mesa/drivers/dri/i965/brw_sampler_state.c +++ /dev/null @@ -1,625 +0,0 @@ -/* - Copyright (C) Intel Corp. 2006. All Rights Reserved. - Intel funded Tungsten Graphics to - develop this 3D driver. - - 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 the rights to use, copy, modify, merge, publish, - distribute, sublicense, 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 NONINFRINGEMENT. - IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS 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: - * Keith Whitwell <[email protected]> - */ - -/** - * @file brw_sampler_state.c - * - * This file contains code for emitting SAMPLER_STATE structures, which - * specifies filter modes, wrap modes, border color, and so on. - */ - -#include "brw_context.h" -#include "brw_state.h" -#include "brw_defines.h" -#include "intel_batchbuffer.h" -#include "intel_mipmap_tree.h" - -#include "main/macros.h" -#include "main/samplerobj.h" -#include "util/half_float.h" - -/** - * Emit a 3DSTATE_SAMPLER_STATE_POINTERS_{VS,HS,GS,DS,PS} packet. - */ -static void -gen7_emit_sampler_state_pointers_xs(struct brw_context *brw, - struct brw_stage_state *stage_state) -{ - static const uint16_t packet_headers[] = { - [MESA_SHADER_VERTEX] = _3DSTATE_SAMPLER_STATE_POINTERS_VS, - [MESA_SHADER_TESS_CTRL] = _3DSTATE_SAMPLER_STATE_POINTERS_HS, - [MESA_SHADER_TESS_EVAL] = _3DSTATE_SAMPLER_STATE_POINTERS_DS, - [MESA_SHADER_GEOMETRY] = _3DSTATE_SAMPLER_STATE_POINTERS_GS, - [MESA_SHADER_FRAGMENT] = _3DSTATE_SAMPLER_STATE_POINTERS_PS, - }; - - /* Ivybridge requires a workaround flush before VS packets. */ - if (brw->gen == 7 && !brw->is_haswell && !brw->is_baytrail && - stage_state->stage == MESA_SHADER_VERTEX) { - gen7_emit_vs_workaround_flush(brw); - } - - BEGIN_BATCH(2); - OUT_BATCH(packet_headers[stage_state->stage] << 16 | (2 - 2)); - OUT_BATCH(stage_state->sampler_offset); - ADVANCE_BATCH(); -} - -/** - * Emit a SAMPLER_STATE structure, given all the fields. - */ -void -brw_emit_sampler_state(struct brw_context *brw, - uint32_t *ss, - uint32_t batch_offset_for_sampler_state, - unsigned min_filter, - unsigned mag_filter, - unsigned mip_filter, - unsigned max_anisotropy, - unsigned address_rounding, - unsigned wrap_s, - unsigned wrap_t, - unsigned wrap_r, - unsigned base_level, - unsigned min_lod, - unsigned max_lod, - int lod_bias, - unsigned shadow_function, - bool non_normalized_coordinates, - uint32_t border_color_offset) -{ - ss[0] = BRW_SAMPLER_LOD_PRECLAMP_ENABLE | - SET_FIELD(mip_filter, BRW_SAMPLER_MIP_FILTER) | - SET_FIELD(mag_filter, BRW_SAMPLER_MAG_FILTER) | - SET_FIELD(min_filter, BRW_SAMPLER_MIN_FILTER); - - ss[2] = border_color_offset; - if (brw->gen < 6) { - ss[2] += brw->batch.bo->offset64; /* reloc */ - brw_emit_reloc(&brw->batch, batch_offset_for_sampler_state + 8, - brw->batch.bo, border_color_offset, - I915_GEM_DOMAIN_SAMPLER, 0); - } - - ss[3] = SET_FIELD(max_anisotropy, BRW_SAMPLER_MAX_ANISOTROPY) | - SET_FIELD(address_rounding, BRW_SAMPLER_ADDRESS_ROUNDING); - - if (brw->gen >= 7) { - ss[0] |= SET_FIELD(lod_bias & 0x1fff, GEN7_SAMPLER_LOD_BIAS); - - if (min_filter == BRW_MAPFILTER_ANISOTROPIC) - ss[0] |= GEN7_SAMPLER_EWA_ANISOTROPIC_ALGORITHM; - - ss[1] = SET_FIELD(min_lod, GEN7_SAMPLER_MIN_LOD) | - SET_FIELD(max_lod, GEN7_SAMPLER_MAX_LOD) | - SET_FIELD(shadow_function, GEN7_SAMPLER_SHADOW_FUNCTION); - - ss[3] |= SET_FIELD(wrap_s, BRW_SAMPLER_TCX_WRAP_MODE) | - SET_FIELD(wrap_t, BRW_SAMPLER_TCY_WRAP_MODE) | - SET_FIELD(wrap_r, BRW_SAMPLER_TCZ_WRAP_MODE); - - if (non_normalized_coordinates) - ss[3] |= GEN7_SAMPLER_NON_NORMALIZED_COORDINATES; - } else { - ss[0] |= SET_FIELD(lod_bias & 0x7ff, GEN4_SAMPLER_LOD_BIAS) | - SET_FIELD(shadow_function, GEN4_SAMPLER_SHADOW_FUNCTION); - - /* This field has existed since the original i965, but is declared MBZ - * until Sandy Bridge. According to the PRM: - * - * "This was added to match OpenGL semantics" - * - * In particular, OpenGL allowed you to offset by 0.5 in certain cases - * to get slightly better filtering. On Ivy Bridge and above, it - * appears that this is added to RENDER_SURFACE_STATE::SurfaceMinLOD so - * the right value is 0.0 or 0.5 (if you want the wacky behavior). On - * Sandy Bridge, however, this sum does not seem to occur and you have - * to set it to the actual base level of the texture. - */ - if (brw->gen == 6) - ss[0] |= SET_FIELD(base_level, BRW_SAMPLER_BASE_MIPLEVEL); - - if (brw->gen == 6 && min_filter != mag_filter) - ss[0] |= GEN6_SAMPLER_MIN_MAG_NOT_EQUAL; - - ss[1] = SET_FIELD(min_lod, GEN4_SAMPLER_MIN_LOD) | - SET_FIELD(max_lod, GEN4_SAMPLER_MAX_LOD) | - SET_FIELD(wrap_s, BRW_SAMPLER_TCX_WRAP_MODE) | - SET_FIELD(wrap_t, BRW_SAMPLER_TCY_WRAP_MODE) | - SET_FIELD(wrap_r, BRW_SAMPLER_TCZ_WRAP_MODE); - - if (brw->gen >= 6 && non_normalized_coordinates) - ss[3] |= GEN6_SAMPLER_NON_NORMALIZED_COORDINATES; - } -} - -static uint32_t -translate_wrap_mode(struct brw_context *brw, GLenum wrap, bool using_nearest) -{ - switch (wrap) { - case GL_REPEAT: - return BRW_TEXCOORDMODE_WRAP; - case GL_CLAMP: - /* GL_CLAMP is the weird mode where coordinates are clamped to - * [0.0, 1.0], so linear filtering of coordinates outside of - * [0.0, 1.0] give you half edge texel value and half border - * color. - * - * Gen8+ supports this natively. - */ - if (brw->gen >= 8) - return GEN8_TEXCOORDMODE_HALF_BORDER; - - /* On Gen4-7.5, we clamp the coordinates in the fragment shader - * and set clamp_border here, which gets the result desired. - * We just use clamp(_to_edge) for nearest, because for nearest - * clamping to 1.0 gives border color instead of the desired - * edge texels. - */ - if (using_nearest) - return BRW_TEXCOORDMODE_CLAMP; - else - return BRW_TEXCOORDMODE_CLAMP_BORDER; - case GL_CLAMP_TO_EDGE: - return BRW_TEXCOORDMODE_CLAMP; - case GL_CLAMP_TO_BORDER: - return BRW_TEXCOORDMODE_CLAMP_BORDER; - case GL_MIRRORED_REPEAT: - return BRW_TEXCOORDMODE_MIRROR; - case GL_MIRROR_CLAMP_TO_EDGE: - return BRW_TEXCOORDMODE_MIRROR_ONCE; - default: - return BRW_TEXCOORDMODE_WRAP; - } -} - -/** - * Return true if the given wrap mode requires the border color to exist. - */ -static bool -wrap_mode_needs_border_color(unsigned wrap_mode) -{ - return wrap_mode == BRW_TEXCOORDMODE_CLAMP_BORDER || - wrap_mode == GEN8_TEXCOORDMODE_HALF_BORDER; -} - -static bool -has_component(mesa_format format, int i) -{ - if (_mesa_is_format_color_format(format)) - return _mesa_format_has_color_component(format, i); - - /* depth and stencil have only one component */ - return i == 0; -} - -/** - * Upload SAMPLER_BORDER_COLOR_STATE. - */ -static void -upload_default_color(struct brw_context *brw, - const struct gl_sampler_object *sampler, - mesa_format format, GLenum base_format, - bool is_integer_format, bool is_stencil_sampling, - uint32_t *sdc_offset) -{ - union gl_color_union color; - - switch (base_format) { - case GL_DEPTH_COMPONENT: - /* GL specs that border color for depth textures is taken from the - * R channel, while the hardware uses A. Spam R into all the - * channels for safety. - */ - color.ui[0] = sampler->BorderColor.ui[0]; - color.ui[1] = sampler->BorderColor.ui[0]; - color.ui[2] = sampler->BorderColor.ui[0]; - color.ui[3] = sampler->BorderColor.ui[0]; - break; - case GL_ALPHA: - color.ui[0] = 0u; - color.ui[1] = 0u; - color.ui[2] = 0u; - color.ui[3] = sampler->BorderColor.ui[3]; - break; - case GL_INTENSITY: - color.ui[0] = sampler->BorderColor.ui[0]; - color.ui[1] = sampler->BorderColor.ui[0]; - color.ui[2] = sampler->BorderColor.ui[0]; - color.ui[3] = sampler->BorderColor.ui[0]; - break; - case GL_LUMINANCE: - color.ui[0] = sampler->BorderColor.ui[0]; - color.ui[1] = sampler->BorderColor.ui[0]; - color.ui[2] = sampler->BorderColor.ui[0]; - color.ui[3] = float_as_int(1.0); - break; - case GL_LUMINANCE_ALPHA: - color.ui[0] = sampler->BorderColor.ui[0]; - color.ui[1] = sampler->BorderColor.ui[0]; - color.ui[2] = sampler->BorderColor.ui[0]; - color.ui[3] = sampler->BorderColor.ui[3]; - break; - default: - color.ui[0] = sampler->BorderColor.ui[0]; - color.ui[1] = sampler->BorderColor.ui[1]; - color.ui[2] = sampler->BorderColor.ui[2]; - color.ui[3] = sampler->BorderColor.ui[3]; - break; - } - - /* In some cases we use an RGBA surface format for GL RGB textures, - * where we've initialized the A channel to 1.0. We also have to set - * the border color alpha to 1.0 in that case. - */ - if (base_format == GL_RGB) - color.ui[3] = float_as_int(1.0); - - if (brw->gen >= 8) { - /* On Broadwell, the border color is represented as four 32-bit floats, - * integers, or unsigned values, interpreted according to the surface - * format. This matches the sampler->BorderColor union exactly; just - * memcpy the values. - */ - uint32_t *sdc = brw_state_batch(brw, 4 * 4, 64, sdc_offset); - memcpy(sdc, color.ui, 4 * 4); - } else if (brw->is_haswell && (is_integer_format || is_stencil_sampling)) { - /* Haswell's integer border color support is completely insane: - * SAMPLER_BORDER_COLOR_STATE is 20 DWords. The first four are - * for float colors. The next 12 DWords are MBZ and only exist to - * pad it out to a 64 byte cacheline boundary. DWords 16-19 then - * contain integer colors; these are only used if SURFACE_STATE - * has the "Integer Surface Format" bit set. Even then, the - * arrangement of the RGBA data devolves into madness. - */ - uint32_t *sdc = brw_state_batch(brw, 20 * 4, 512, sdc_offset); - memset(sdc, 0, 20 * 4); - sdc = &sdc[16]; - - bool stencil = format == MESA_FORMAT_S_UINT8 || is_stencil_sampling; - const int bits_per_channel = - _mesa_get_format_bits(format, stencil ? GL_STENCIL_BITS : GL_RED_BITS); - - /* From the Haswell PRM, "Command Reference: Structures", Page 36: - * "If any color channel is missing from the surface format, - * corresponding border color should be programmed as zero and if - * alpha channel is missing, corresponding Alpha border color should - * be programmed as 1." - */ - unsigned c[4] = { 0, 0, 0, 1 }; - for (int i = 0; i < 4; i++) { - if (has_component(format, i)) - c[i] = color.ui[i]; - } - - switch (bits_per_channel) { - case 8: - /* Copy RGBA in order. */ - for (int i = 0; i < 4; i++) - ((uint8_t *) sdc)[i] = c[i]; - break; - case 10: - /* R10G10B10A2_UINT is treated like a 16-bit format. */ - case 16: - ((uint16_t *) sdc)[0] = c[0]; /* R -> DWord 0, bits 15:0 */ - ((uint16_t *) sdc)[1] = c[1]; /* G -> DWord 0, bits 31:16 */ - /* DWord 1 is Reserved/MBZ! */ - ((uint16_t *) sdc)[4] = c[2]; /* B -> DWord 2, bits 15:0 */ - ((uint16_t *) sdc)[5] = c[3]; /* A -> DWord 3, bits 31:16 */ - break; - case 32: - if (base_format == GL_RG) { - /* Careful inspection of the tables reveals that for RG32 formats, - * the green channel needs to go where blue normally belongs. - */ - sdc[0] = c[0]; - sdc[2] = c[1]; - sdc[3] = 1; - } else { - /* Copy RGBA in order. */ - for (int i = 0; i < 4; i++) - sdc[i] = c[i]; - } - break; - default: - assert(!"Invalid number of bits per channel in integer format."); - break; - } - } else if (brw->gen == 5 || brw->gen == 6) { - struct gen5_sampler_default_color *sdc; - - sdc = brw_state_batch(brw, sizeof(*sdc), 32, sdc_offset); - - memset(sdc, 0, sizeof(*sdc)); - - UNCLAMPED_FLOAT_TO_UBYTE(sdc->ub[0], color.f[0]); - UNCLAMPED_FLOAT_TO_UBYTE(sdc->ub[1], color.f[1]); - UNCLAMPED_FLOAT_TO_UBYTE(sdc->ub[2], color.f[2]); - UNCLAMPED_FLOAT_TO_UBYTE(sdc->ub[3], color.f[3]); - - UNCLAMPED_FLOAT_TO_USHORT(sdc->us[0], color.f[0]); - UNCLAMPED_FLOAT_TO_USHORT(sdc->us[1], color.f[1]); - UNCLAMPED_FLOAT_TO_USHORT(sdc->us[2], color.f[2]); - UNCLAMPED_FLOAT_TO_USHORT(sdc->us[3], color.f[3]); - - UNCLAMPED_FLOAT_TO_SHORT(sdc->s[0], color.f[0]); - UNCLAMPED_FLOAT_TO_SHORT(sdc->s[1], color.f[1]); - UNCLAMPED_FLOAT_TO_SHORT(sdc->s[2], color.f[2]); - UNCLAMPED_FLOAT_TO_SHORT(sdc->s[3], color.f[3]); - - sdc->hf[0] = _mesa_float_to_half(color.f[0]); - sdc->hf[1] = _mesa_float_to_half(color.f[1]); - sdc->hf[2] = _mesa_float_to_half(color.f[2]); - sdc->hf[3] = _mesa_float_to_half(color.f[3]); - - sdc->b[0] = sdc->s[0] >> 8; - sdc->b[1] = sdc->s[1] >> 8; - sdc->b[2] = sdc->s[2] >> 8; - sdc->b[3] = sdc->s[3] >> 8; - - sdc->f[0] = color.f[0]; - sdc->f[1] = color.f[1]; - sdc->f[2] = color.f[2]; - sdc->f[3] = color.f[3]; - } else { - float *sdc = brw_state_batch(brw, 4 * 4, 32, sdc_offset); - memcpy(sdc, color.f, 4 * 4); - } -} - -/** - * Sets the sampler state for a single unit based off of the sampler key - * entry. - */ -static void -brw_update_sampler_state(struct brw_context *brw, - GLenum target, bool tex_cube_map_seamless, - GLfloat tex_unit_lod_bias, - mesa_format format, GLenum base_format, - const struct gl_texture_object *texObj, - const struct gl_sampler_object *sampler, - uint32_t *sampler_state, - uint32_t batch_offset_for_sampler_state) -{ - unsigned min_filter, mag_filter, mip_filter; - - /* Select min and mip filters. */ - switch (sampler->MinFilter) { - case GL_NEAREST: - min_filter = BRW_MAPFILTER_NEAREST; - mip_filter = BRW_MIPFILTER_NONE; - break; - case GL_LINEAR: - min_filter = BRW_MAPFILTER_LINEAR; - mip_filter = BRW_MIPFILTER_NONE; - break; - case GL_NEAREST_MIPMAP_NEAREST: - min_filter = BRW_MAPFILTER_NEAREST; - mip_filter = BRW_MIPFILTER_NEAREST; - break; - case GL_LINEAR_MIPMAP_NEAREST: - min_filter = BRW_MAPFILTER_LINEAR; - mip_filter = BRW_MIPFILTER_NEAREST; - break; - case GL_NEAREST_MIPMAP_LINEAR: - min_filter = BRW_MAPFILTER_NEAREST; - mip_filter = BRW_MIPFILTER_LINEAR; - break; - case GL_LINEAR_MIPMAP_LINEAR: - min_filter = BRW_MAPFILTER_LINEAR; - mip_filter = BRW_MIPFILTER_LINEAR; - break; - default: - unreachable("not reached"); - } - - /* Select mag filter. */ - if (sampler->MagFilter == GL_LINEAR) - mag_filter = BRW_MAPFILTER_LINEAR; - else - mag_filter = BRW_MAPFILTER_NEAREST; - - /* Enable anisotropic filtering if desired. */ - unsigned max_anisotropy = BRW_ANISORATIO_2; - if (sampler->MaxAnisotropy > 1.0f) { - if (min_filter == BRW_MAPFILTER_LINEAR) - min_filter = BRW_MAPFILTER_ANISOTROPIC; - if (mag_filter == BRW_MAPFILTER_LINEAR) - mag_filter = BRW_MAPFILTER_ANISOTROPIC; - - if (sampler->MaxAnisotropy > 2.0f) { - max_anisotropy = - MIN2((sampler->MaxAnisotropy - 2) / 2, BRW_ANISORATIO_16); - } - } - - /* Set address rounding bits if not using nearest filtering. */ - unsigned address_rounding = 0; - if (min_filter != BRW_MAPFILTER_NEAREST) { - address_rounding |= BRW_ADDRESS_ROUNDING_ENABLE_U_MIN | - BRW_ADDRESS_ROUNDING_ENABLE_V_MIN | - BRW_ADDRESS_ROUNDING_ENABLE_R_MIN; - } - if (mag_filter != BRW_MAPFILTER_NEAREST) { - address_rounding |= BRW_ADDRESS_ROUNDING_ENABLE_U_MAG | - BRW_ADDRESS_ROUNDING_ENABLE_V_MAG | - BRW_ADDRESS_ROUNDING_ENABLE_R_MAG; - } - - bool either_nearest = - sampler->MinFilter == GL_NEAREST || sampler->MagFilter == GL_NEAREST; - unsigned wrap_s = translate_wrap_mode(brw, sampler->WrapS, either_nearest); - unsigned wrap_t = translate_wrap_mode(brw, sampler->WrapT, either_nearest); - unsigned wrap_r = translate_wrap_mode(brw, sampler->WrapR, either_nearest); - - if (target == GL_TEXTURE_CUBE_MAP || - target == GL_TEXTURE_CUBE_MAP_ARRAY) { - /* Cube maps must use the same wrap mode for all three coordinate - * dimensions. Prior to Haswell, only CUBE and CLAMP are valid. - * - * Ivybridge and Baytrail seem to have problems with CUBE mode and - * integer formats. Fall back to CLAMP for now. - */ - if ((tex_cube_map_seamless || sampler->CubeMapSeamless) && - !(brw->gen == 7 && !brw->is_haswell && texObj->_IsIntegerFormat)) { - wrap_s = BRW_TEXCOORDMODE_CUBE; - wrap_t = BRW_TEXCOORDMODE_CUBE; - wrap_r = BRW_TEXCOORDMODE_CUBE; - } else { - wrap_s = BRW_TEXCOORDMODE_CLAMP; - wrap_t = BRW_TEXCOORDMODE_CLAMP; - wrap_r = BRW_TEXCOORDMODE_CLAMP; - } - } else if (target == GL_TEXTURE_1D) { - /* There's a bug in 1D texture sampling - it actually pays - * attention to the wrap_t value, though it should not. - * Override the wrap_t value here to GL_REPEAT to keep - * any nonexistent border pixels from floating in. - */ - wrap_t = BRW_TEXCOORDMODE_WRAP; - } - - /* Set shadow function. */ - unsigned shadow_function = 0; - if (sampler->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) { - shadow_function = - intel_translate_shadow_compare_func(sampler->CompareFunc); - } - - const int lod_bits = brw->gen >= 7 ? 8 : 6; - const float hw_max_lod = brw->gen >= 7 ? 14 : 13; - const unsigned base_level = - U_FIXED(CLAMP(texObj->MinLevel + texObj->BaseLevel, 0, hw_max_lod), 1); - const unsigned min_lod = - U_FIXED(CLAMP(sampler->MinLod, 0, hw_max_lod), lod_bits); - const unsigned max_lod = - U_FIXED(CLAMP(sampler->MaxLod, 0, hw_max_lod), lod_bits); - const int lod_bias = - S_FIXED(CLAMP(tex_unit_lod_bias + sampler->LodBias, -16, 15), lod_bits); - - /* Upload the border color if necessary. If not, just point it at - * offset 0 (the start of the batch) - the color should be ignored, - * but that address won't fault in case something reads it anyway. - */ - uint32_t border_color_offset = 0; - if (wrap_mode_needs_border_color(wrap_s) || - wrap_mode_needs_border_color(wrap_t) || - wrap_mode_needs_border_color(wrap_r)) { - upload_default_color(brw, sampler, format, base_format, - texObj->_IsIntegerFormat, texObj->StencilSampling, - &border_color_offset); - } - - const bool non_normalized_coords = target == GL_TEXTURE_RECTANGLE; - - brw_emit_sampler_state(brw, - sampler_state, - batch_offset_for_sampler_state, - min_filter, mag_filter, mip_filter, - max_anisotropy, - address_rounding, - wrap_s, wrap_t, wrap_r, - base_level, min_lod, max_lod, lod_bias, - shadow_function, - non_normalized_coords, - border_color_offset); -} - -static void -update_sampler_state(struct brw_context *brw, - int unit, - uint32_t *sampler_state, - uint32_t batch_offset_for_sampler_state) -{ - struct gl_context *ctx = &brw->ctx; - const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit]; - const struct gl_texture_object *texObj = texUnit->_Current; - const struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit); - - /* These don't use samplers at all. */ - if (texObj->Target == GL_TEXTURE_BUFFER) - return; - - struct gl_texture_image *firstImage = texObj->Image[0][texObj->BaseLevel]; - brw_update_sampler_state(brw, texObj->Target, ctx->Texture.CubeMapSeamless, - texUnit->LodBias, - firstImage->TexFormat, firstImage->_BaseFormat, - texObj, sampler, - sampler_state, batch_offset_for_sampler_state); -} - -static void -brw_upload_sampler_state_table(struct brw_context *brw, - struct gl_program *prog, - struct brw_stage_state *stage_state) -{ - struct gl_context *ctx = &brw->ctx; - uint32_t sampler_count = stage_state->sampler_count; - - GLbitfield SamplersUsed = prog->SamplersUsed; - - if (sampler_count == 0) - return; - - /* SAMPLER_STATE is 4 DWords on all platforms. */ - const int dwords = 4; - const int size_in_bytes = dwords * sizeof(uint32_t); - - uint32_t *sampler_state = brw_state_batch(brw, - sampler_count * size_in_bytes, - 32, &stage_state->sampler_offset); - memset(sampler_state, 0, sampler_count * size_in_bytes); - - uint32_t batch_offset_for_sampler_state = stage_state->sampler_offset; - - for (unsigned s = 0; s < sampler_count; s++) { - if (SamplersUsed & (1 << s)) { - const unsigned unit = prog->SamplerUnits[s]; - if (ctx->Texture.Unit[unit]._Current) { - update_sampler_state(brw, unit, sampler_state, - batch_offset_for_sampler_state); - } - } - - sampler_state += dwords; - batch_offset_for_sampler_state += size_in_bytes; - } - - if (brw->gen >= 7 && stage_state->stage != MESA_SHADER_COMPUTE) { - /* Emit a 3DSTATE_SAMPLER_STATE_POINTERS_XS packet. */ - gen7_emit_sampler_state_pointers_xs(brw, stage_state); - } else { - /* Flag that the sampler state table pointer has changed; later atoms - * will handle it. - */ - brw->ctx.NewDriverState |= BRW_NEW_SAMPLER_STATE_TABLE; - } -} |