|
|
|
|
@@ -1,179 +0,0 @@
|
|
|
|
|
/*
|
|
|
|
|
* Copyright © 2011 Intel Corporation
|
|
|
|
|
*
|
|
|
|
|
* 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 AUTHORS OR COPYRIGHT HOLDERS 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 "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"
|
|
|
|
|
|
|
|
|
|
/**
|
|
|
|
|
* Sets the sampler state for a single unit.
|
|
|
|
|
*/
|
|
|
|
|
void
|
|
|
|
|
gen7_update_sampler_state(struct brw_context *brw, int unit,
|
|
|
|
|
struct gen7_sampler_state *sampler)
|
|
|
|
|
{
|
|
|
|
|
struct gl_context *ctx = &brw->ctx;
|
|
|
|
|
struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
|
|
|
|
|
struct gl_texture_object *texObj = texUnit->_Current;
|
|
|
|
|
struct gl_sampler_object *gl_sampler = _mesa_get_samplerobj(ctx, unit);
|
|
|
|
|
bool using_nearest = false;
|
|
|
|
|
|
|
|
|
|
/* These don't use samplers at all. */
|
|
|
|
|
if (texObj->Target == GL_TEXTURE_BUFFER)
|
|
|
|
|
return;
|
|
|
|
|
|
|
|
|
|
switch (gl_sampler->MinFilter) {
|
|
|
|
|
case GL_NEAREST:
|
|
|
|
|
sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST;
|
|
|
|
|
sampler->ss0.mip_filter = BRW_MIPFILTER_NONE;
|
|
|
|
|
using_nearest = true;
|
|
|
|
|
break;
|
|
|
|
|
case GL_LINEAR:
|
|
|
|
|
sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR;
|
|
|
|
|
sampler->ss0.mip_filter = BRW_MIPFILTER_NONE;
|
|
|
|
|
break;
|
|
|
|
|
case GL_NEAREST_MIPMAP_NEAREST:
|
|
|
|
|
sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST;
|
|
|
|
|
sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST;
|
|
|
|
|
break;
|
|
|
|
|
case GL_LINEAR_MIPMAP_NEAREST:
|
|
|
|
|
sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR;
|
|
|
|
|
sampler->ss0.mip_filter = BRW_MIPFILTER_NEAREST;
|
|
|
|
|
break;
|
|
|
|
|
case GL_NEAREST_MIPMAP_LINEAR:
|
|
|
|
|
sampler->ss0.min_filter = BRW_MAPFILTER_NEAREST;
|
|
|
|
|
sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR;
|
|
|
|
|
break;
|
|
|
|
|
case GL_LINEAR_MIPMAP_LINEAR:
|
|
|
|
|
sampler->ss0.min_filter = BRW_MAPFILTER_LINEAR;
|
|
|
|
|
sampler->ss0.mip_filter = BRW_MIPFILTER_LINEAR;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Set Anisotropy: */
|
|
|
|
|
if (gl_sampler->MaxAnisotropy > 1.0) {
|
|
|
|
|
sampler->ss0.min_filter = BRW_MAPFILTER_ANISOTROPIC;
|
|
|
|
|
sampler->ss0.mag_filter = BRW_MAPFILTER_ANISOTROPIC;
|
|
|
|
|
sampler->ss0.aniso_algorithm = 1;
|
|
|
|
|
|
|
|
|
|
if (gl_sampler->MaxAnisotropy > 2.0) {
|
|
|
|
|
sampler->ss3.max_aniso = MIN2((gl_sampler->MaxAnisotropy - 2) / 2,
|
|
|
|
|
BRW_ANISORATIO_16);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else {
|
|
|
|
|
switch (gl_sampler->MagFilter) {
|
|
|
|
|
case GL_NEAREST:
|
|
|
|
|
sampler->ss0.mag_filter = BRW_MAPFILTER_NEAREST;
|
|
|
|
|
using_nearest = true;
|
|
|
|
|
break;
|
|
|
|
|
case GL_LINEAR:
|
|
|
|
|
sampler->ss0.mag_filter = BRW_MAPFILTER_LINEAR;
|
|
|
|
|
break;
|
|
|
|
|
default:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
sampler->ss3.r_wrap_mode = translate_wrap_mode(brw, gl_sampler->WrapR,
|
|
|
|
|
using_nearest);
|
|
|
|
|
sampler->ss3.s_wrap_mode = translate_wrap_mode(brw, gl_sampler->WrapS,
|
|
|
|
|
using_nearest);
|
|
|
|
|
sampler->ss3.t_wrap_mode = translate_wrap_mode(brw, gl_sampler->WrapT,
|
|
|
|
|
using_nearest);
|
|
|
|
|
|
|
|
|
|
/* Cube-maps on 965 and later must use the same wrap mode for all 3
|
|
|
|
|
* coordinate dimensions. Futher, only CUBE and CLAMP are valid.
|
|
|
|
|
*/
|
|
|
|
|
if (texObj->Target == GL_TEXTURE_CUBE_MAP ||
|
|
|
|
|
texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY) {
|
|
|
|
|
if ((ctx->Texture.CubeMapSeamless || gl_sampler->CubeMapSeamless) &&
|
|
|
|
|
(gl_sampler->MinFilter != GL_NEAREST ||
|
|
|
|
|
gl_sampler->MagFilter != GL_NEAREST)) {
|
|
|
|
|
sampler->ss3.r_wrap_mode = BRW_TEXCOORDMODE_CUBE;
|
|
|
|
|
sampler->ss3.s_wrap_mode = BRW_TEXCOORDMODE_CUBE;
|
|
|
|
|
sampler->ss3.t_wrap_mode = BRW_TEXCOORDMODE_CUBE;
|
|
|
|
|
} else {
|
|
|
|
|
sampler->ss3.r_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
|
|
|
|
|
sampler->ss3.s_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
|
|
|
|
|
sampler->ss3.t_wrap_mode = BRW_TEXCOORDMODE_CLAMP;
|
|
|
|
|
}
|
|
|
|
|
} else if (texObj->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.
|
|
|
|
|
*/
|
|
|
|
|
sampler->ss3.t_wrap_mode = BRW_TEXCOORDMODE_WRAP;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Set shadow function: */
|
|
|
|
|
if (gl_sampler->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) {
|
|
|
|
|
/* Shadowing is "enabled" by emitting a particular sampler
|
|
|
|
|
* message (sample_c). So need to recompile WM program when
|
|
|
|
|
* shadow comparison is enabled on each/any texture unit.
|
|
|
|
|
*/
|
|
|
|
|
sampler->ss1.shadow_function =
|
|
|
|
|
intel_translate_shadow_compare_func(gl_sampler->CompareFunc);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Set LOD bias: */
|
|
|
|
|
sampler->ss0.lod_bias = S_FIXED(CLAMP(texUnit->LodBias +
|
|
|
|
|
gl_sampler->LodBias, -16, 15), 8);
|
|
|
|
|
|
|
|
|
|
sampler->ss0.lod_preclamp = 1; /* OpenGL mode */
|
|
|
|
|
sampler->ss0.default_color_mode = 0; /* OpenGL/DX10 mode */
|
|
|
|
|
|
|
|
|
|
sampler->ss0.base_level = U_FIXED(0, 1);
|
|
|
|
|
|
|
|
|
|
sampler->ss1.max_lod = U_FIXED(CLAMP(gl_sampler->MaxLod, 0, 13), 8);
|
|
|
|
|
sampler->ss1.min_lod = U_FIXED(CLAMP(gl_sampler->MinLod, 0, 13), 8);
|
|
|
|
|
|
|
|
|
|
/* The sampler can handle non-normalized texture rectangle coordinates
|
|
|
|
|
* natively
|
|
|
|
|
*/
|
|
|
|
|
if (texObj->Target == GL_TEXTURE_RECTANGLE) {
|
|
|
|
|
sampler->ss3.non_normalized_coord = 1;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
uint32_t sdc_offset;
|
|
|
|
|
upload_default_color(brw, gl_sampler, unit, &sdc_offset);
|
|
|
|
|
|
|
|
|
|
sampler->ss2.default_color_pointer = sdc_offset >> 5;
|
|
|
|
|
|
|
|
|
|
if (sampler->ss0.min_filter != BRW_MAPFILTER_NEAREST)
|
|
|
|
|
sampler->ss3.address_round |= BRW_ADDRESS_ROUNDING_ENABLE_U_MIN |
|
|
|
|
|
BRW_ADDRESS_ROUNDING_ENABLE_V_MIN |
|
|
|
|
|
BRW_ADDRESS_ROUNDING_ENABLE_R_MIN;
|
|
|
|
|
if (sampler->ss0.mag_filter != BRW_MAPFILTER_NEAREST)
|
|
|
|
|
sampler->ss3.address_round |= BRW_ADDRESS_ROUNDING_ENABLE_U_MAG |
|
|
|
|
|
BRW_ADDRESS_ROUNDING_ENABLE_V_MAG |
|
|
|
|
|
BRW_ADDRESS_ROUNDING_ENABLE_R_MAG;
|
|
|
|
|
}
|