#include "ilo_core.h"
#include "ilo_dev.h"
#include "ilo_state_3d.h"
+#include "ilo_state_sampler.h"
#include "ilo_builder.h"
static inline void
static inline uint32_t
gen6_SAMPLER_STATE(struct ilo_builder *builder,
- const struct ilo_sampler_cso * const *samplers,
- const struct pipe_sampler_view * const *views,
+ const struct ilo_state_sampler *samplers,
const uint32_t *sampler_border_colors,
- int num_samplers)
+ int sampler_count)
{
const int state_align = 32;
- const int state_len = 4 * num_samplers;
+ const int state_len = 4 * sampler_count;
uint32_t state_offset, *dw;
int i;
*
* "The sampler state is stored as an array of up to 16 elements..."
*/
- assert(num_samplers <= 16);
+ assert(sampler_count <= 16);
- if (!num_samplers)
+ if (!sampler_count)
return 0;
/*
*
* It also applies to other shader stages.
*/
- ilo_builder_dynamic_pad_top(builder, 4 * (4 - (num_samplers % 4)));
+ ilo_builder_dynamic_pad_top(builder, 4 * (4 - (sampler_count % 4)));
state_offset = ilo_builder_dynamic_pointer(builder,
ILO_BUILDER_ITEM_SAMPLER, state_align, state_len, &dw);
- for (i = 0; i < num_samplers; i++) {
- const struct ilo_sampler_cso *sampler = samplers[i];
- const struct pipe_sampler_view *view = views[i];
- const uint32_t border_color = sampler_border_colors[i];
- uint32_t dw_filter, dw_wrap;
+ for (i = 0; i < sampler_count; i++) {
+ /* see sampler_set_gen6_SAMPLER_STATE() */
+ dw[0] = samplers[i].sampler[0];
+ dw[1] = samplers[i].sampler[1];
+ dw[3] = samplers[i].sampler[2];
- /* there may be holes */
- if (!sampler || !view) {
- /* disabled sampler */
- dw[0] = 1 << 31;
- dw[1] = 0;
- dw[2] = 0;
- dw[3] = 0;
- dw += 4;
-
- continue;
- }
-
- /* determine filter and wrap modes */
- switch (view->texture->target) {
- case PIPE_TEXTURE_1D:
- dw_filter = (sampler->anisotropic) ?
- sampler->dw_filter_aniso : sampler->dw_filter;
- dw_wrap = sampler->dw_wrap_1d;
- break;
- case PIPE_TEXTURE_3D:
- /*
- * From the Sandy Bridge PRM, volume 4 part 1, page 103:
- *
- * "Only MAPFILTER_NEAREST and MAPFILTER_LINEAR are supported for
- * surfaces of type SURFTYPE_3D."
- */
- dw_filter = sampler->dw_filter;
- dw_wrap = sampler->dw_wrap;
- break;
- case PIPE_TEXTURE_CUBE:
- dw_filter = (sampler->anisotropic) ?
- sampler->dw_filter_aniso : sampler->dw_filter;
- dw_wrap = sampler->dw_wrap_cube;
- break;
- default:
- dw_filter = (sampler->anisotropic) ?
- sampler->dw_filter_aniso : sampler->dw_filter;
- dw_wrap = sampler->dw_wrap;
- break;
- }
-
- dw[0] = sampler->payload[0];
- dw[1] = sampler->payload[1];
- assert(!(border_color & 0x1f));
- dw[2] = border_color;
- dw[3] = sampler->payload[2];
-
- dw[0] |= dw_filter;
-
- if (ilo_dev_gen(builder->dev) >= ILO_GEN(7)) {
- dw[3] |= dw_wrap;
- }
- else {
- /*
- * From the Sandy Bridge PRM, volume 4 part 1, page 21:
- *
- * "[DevSNB] Errata: Incorrect behavior is observed in cases
- * where the min and mag mode filters are different and
- * SurfMinLOD is nonzero. The determination of MagMode uses the
- * following equation instead of the one in the above
- * pseudocode: MagMode = (LOD + SurfMinLOD - Base <= 0)"
- *
- * As a way to work around that, we set Base to
- * view->u.tex.first_level.
- */
- dw[0] |= view->u.tex.first_level << 22;
-
- dw[1] |= dw_wrap;
- }
+ assert(!(sampler_border_colors[i] & 0x1f));
+ dw[2] = sampler_border_colors[i];
dw += 4;
}
static inline uint32_t
gen6_SAMPLER_BORDER_COLOR_STATE(struct ilo_builder *builder,
- const struct ilo_sampler_cso *sampler)
+ const struct ilo_state_sampler_border *border)
{
const int state_align =
(ilo_dev_gen(builder->dev) >= ILO_GEN(8)) ? 64 : 32;
ILO_DEV_ASSERT(builder->dev, 6, 8);
- assert(Elements(sampler->payload) >= 3 + state_len);
-
- /* see ilo_gpe_init_sampler_cso() */
+ /*
+ * see border_set_gen6_SAMPLER_BORDER_COLOR_STATE() and
+ * border_set_gen7_SAMPLER_BORDER_COLOR_STATE()
+ */
return ilo_builder_dynamic_write(builder, ILO_BUILDER_ITEM_BLOB,
- state_align, state_len, &sampler->payload[3]);
+ state_align, state_len, border->color);
}
static inline uint32_t
uint32_t dw_ps_blend_dst_alpha_forced_one;
};
-struct ilo_sampler_cso {
- /* SAMPLER_STATE and SAMPLER_BORDER_COLOR_STATE */
- uint32_t payload[15];
-
- uint32_t dw_filter;
- uint32_t dw_filter_aniso;
- uint32_t dw_wrap;
- uint32_t dw_wrap_1d;
- uint32_t dw_wrap_cube;
-
- bool anisotropic;
- bool saturate_r;
- bool saturate_s;
- bool saturate_t;
-};
-
-struct ilo_sampler_state {
- const struct ilo_sampler_cso *cso[ILO_MAX_SAMPLERS];
-};
-
struct ilo_surface_cso {
struct pipe_surface base;
const struct pipe_blend_state *state,
struct ilo_blend_state *blend);
-void
-ilo_gpe_init_sampler_cso(const struct ilo_dev *dev,
- const struct pipe_sampler_state *state,
- struct ilo_sampler_cso *sampler);
-
void
ilo_gpe_init_vs_cso(const struct ilo_dev *dev,
const struct ilo_shader_state *vs,
else
gs_init_cso_gen6(dev, gs, cso);
}
-
-static void
-sampler_init_border_color_gen6(const struct ilo_dev *dev,
- const union pipe_color_union *color,
- uint32_t *dw, int num_dwords)
-{
- float rgba[4] = {
- color->f[0], color->f[1], color->f[2], color->f[3],
- };
-
- ILO_DEV_ASSERT(dev, 6, 6);
-
- assert(num_dwords >= 12);
-
- /*
- * This state is not documented in the Sandy Bridge PRM, but in the
- * Ironlake PRM. SNORM8 seems to be in DW11 instead of DW1.
- */
-
- /* IEEE_FP */
- dw[1] = fui(rgba[0]);
- dw[2] = fui(rgba[1]);
- dw[3] = fui(rgba[2]);
- dw[4] = fui(rgba[3]);
-
- /* FLOAT_16 */
- dw[5] = util_float_to_half(rgba[0]) |
- util_float_to_half(rgba[1]) << 16;
- dw[6] = util_float_to_half(rgba[2]) |
- util_float_to_half(rgba[3]) << 16;
-
- /* clamp to [-1.0f, 1.0f] */
- rgba[0] = CLAMP(rgba[0], -1.0f, 1.0f);
- rgba[1] = CLAMP(rgba[1], -1.0f, 1.0f);
- rgba[2] = CLAMP(rgba[2], -1.0f, 1.0f);
- rgba[3] = CLAMP(rgba[3], -1.0f, 1.0f);
-
- /* SNORM16 */
- dw[9] = (int16_t) util_iround(rgba[0] * 32767.0f) |
- (int16_t) util_iround(rgba[1] * 32767.0f) << 16;
- dw[10] = (int16_t) util_iround(rgba[2] * 32767.0f) |
- (int16_t) util_iround(rgba[3] * 32767.0f) << 16;
-
- /* SNORM8 */
- dw[11] = (int8_t) util_iround(rgba[0] * 127.0f) |
- (int8_t) util_iround(rgba[1] * 127.0f) << 8 |
- (int8_t) util_iround(rgba[2] * 127.0f) << 16 |
- (int8_t) util_iround(rgba[3] * 127.0f) << 24;
-
- /* clamp to [0.0f, 1.0f] */
- rgba[0] = CLAMP(rgba[0], 0.0f, 1.0f);
- rgba[1] = CLAMP(rgba[1], 0.0f, 1.0f);
- rgba[2] = CLAMP(rgba[2], 0.0f, 1.0f);
- rgba[3] = CLAMP(rgba[3], 0.0f, 1.0f);
-
- /* UNORM8 */
- dw[0] = (uint8_t) util_iround(rgba[0] * 255.0f) |
- (uint8_t) util_iround(rgba[1] * 255.0f) << 8 |
- (uint8_t) util_iround(rgba[2] * 255.0f) << 16 |
- (uint8_t) util_iround(rgba[3] * 255.0f) << 24;
-
- /* UNORM16 */
- dw[7] = (uint16_t) util_iround(rgba[0] * 65535.0f) |
- (uint16_t) util_iround(rgba[1] * 65535.0f) << 16;
- dw[8] = (uint16_t) util_iround(rgba[2] * 65535.0f) |
- (uint16_t) util_iround(rgba[3] * 65535.0f) << 16;
-}
-
-/**
- * Translate a pipe texture mipfilter to the matching hardware mipfilter.
- */
-static int
-gen6_translate_tex_mipfilter(unsigned filter)
-{
- switch (filter) {
- case PIPE_TEX_MIPFILTER_NEAREST: return GEN6_MIPFILTER_NEAREST;
- case PIPE_TEX_MIPFILTER_LINEAR: return GEN6_MIPFILTER_LINEAR;
- case PIPE_TEX_MIPFILTER_NONE: return GEN6_MIPFILTER_NONE;
- default:
- assert(!"unknown mipfilter");
- return GEN6_MIPFILTER_NONE;
- }
-}
-
-/**
- * Translate a pipe texture filter to the matching hardware mapfilter.
- */
-static int
-gen6_translate_tex_filter(unsigned filter)
-{
- switch (filter) {
- case PIPE_TEX_FILTER_NEAREST: return GEN6_MAPFILTER_NEAREST;
- case PIPE_TEX_FILTER_LINEAR: return GEN6_MAPFILTER_LINEAR;
- default:
- assert(!"unknown sampler filter");
- return GEN6_MAPFILTER_NEAREST;
- }
-}
-
-/**
- * Translate a pipe texture coordinate wrapping mode to the matching hardware
- * wrapping mode.
- */
-static int
-gen6_translate_tex_wrap(unsigned wrap)
-{
- switch (wrap) {
- case PIPE_TEX_WRAP_CLAMP: return GEN8_TEXCOORDMODE_HALF_BORDER;
- case PIPE_TEX_WRAP_REPEAT: return GEN6_TEXCOORDMODE_WRAP;
- case PIPE_TEX_WRAP_CLAMP_TO_EDGE: return GEN6_TEXCOORDMODE_CLAMP;
- case PIPE_TEX_WRAP_CLAMP_TO_BORDER: return GEN6_TEXCOORDMODE_CLAMP_BORDER;
- case PIPE_TEX_WRAP_MIRROR_REPEAT: return GEN6_TEXCOORDMODE_MIRROR;
- case PIPE_TEX_WRAP_MIRROR_CLAMP:
- case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
- case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
- default:
- assert(!"unknown sampler wrap mode");
- return GEN6_TEXCOORDMODE_WRAP;
- }
-}
-
-/**
- * Translate a pipe shadow compare function to the matching hardware shadow
- * function.
- */
-static int
-gen6_translate_shadow_func(unsigned func)
-{
- /*
- * For PIPE_FUNC_x, the reference value is on the left-hand side of the
- * comparison, and 1.0 is returned when the comparison is true.
- *
- * For GEN6_COMPAREFUNCTION_x, the reference value is on the right-hand side of
- * the comparison, and 0.0 is returned when the comparison is true.
- */
- switch (func) {
- case PIPE_FUNC_NEVER: return GEN6_COMPAREFUNCTION_ALWAYS;
- case PIPE_FUNC_LESS: return GEN6_COMPAREFUNCTION_LEQUAL;
- case PIPE_FUNC_EQUAL: return GEN6_COMPAREFUNCTION_NOTEQUAL;
- case PIPE_FUNC_LEQUAL: return GEN6_COMPAREFUNCTION_LESS;
- case PIPE_FUNC_GREATER: return GEN6_COMPAREFUNCTION_GEQUAL;
- case PIPE_FUNC_NOTEQUAL: return GEN6_COMPAREFUNCTION_EQUAL;
- case PIPE_FUNC_GEQUAL: return GEN6_COMPAREFUNCTION_GREATER;
- case PIPE_FUNC_ALWAYS: return GEN6_COMPAREFUNCTION_NEVER;
- default:
- assert(!"unknown shadow compare function");
- return GEN6_COMPAREFUNCTION_NEVER;
- }
-}
-
-void
-ilo_gpe_init_sampler_cso(const struct ilo_dev *dev,
- const struct pipe_sampler_state *state,
- struct ilo_sampler_cso *sampler)
-{
- int mip_filter, min_filter, mag_filter, max_aniso;
- int lod_bias, max_lod, min_lod;
- int wrap_s, wrap_t, wrap_r, wrap_cube;
- uint32_t dw0, dw1, dw3;
-
- ILO_DEV_ASSERT(dev, 6, 8);
-
- memset(sampler, 0, sizeof(*sampler));
-
- mip_filter = gen6_translate_tex_mipfilter(state->min_mip_filter);
- min_filter = gen6_translate_tex_filter(state->min_img_filter);
- mag_filter = gen6_translate_tex_filter(state->mag_img_filter);
-
- sampler->anisotropic = state->max_anisotropy;
-
- if (state->max_anisotropy >= 2 && state->max_anisotropy <= 16)
- max_aniso = state->max_anisotropy / 2 - 1;
- else if (state->max_anisotropy > 16)
- max_aniso = GEN6_ANISORATIO_16;
- else
- max_aniso = GEN6_ANISORATIO_2;
-
- /*
- *
- * Here is how the hardware calculate per-pixel LOD, from my reading of the
- * PRMs:
- *
- * 1) LOD is set to log2(ratio of texels to pixels) if not specified in
- * other ways. The number of texels is measured using level
- * SurfMinLod.
- * 2) Bias is added to LOD.
- * 3) LOD is clamped to [MinLod, MaxLod], and the clamped value is
- * compared with Base to determine whether magnification or
- * minification is needed. (if preclamp is disabled, LOD is compared
- * with Base before clamping)
- * 4) If magnification is needed, or no mipmapping is requested, LOD is
- * set to floor(MinLod).
- * 5) LOD is clamped to [0, MIPCnt], and SurfMinLod is added to LOD.
- *
- * With Gallium interface, Base is always zero and
- * pipe_sampler_view::u.tex.first_level specifies SurfMinLod.
- */
- if (ilo_dev_gen(dev) >= ILO_GEN(7)) {
- const float scale = 256.0f;
-
- /* [-16.0, 16.0) in S4.8 */
- lod_bias = (int)
- (CLAMP(state->lod_bias, -16.0f, 15.9f) * scale);
- lod_bias &= 0x1fff;
-
- /* [0.0, 14.0] in U4.8 */
- max_lod = (int) (CLAMP(state->max_lod, 0.0f, 14.0f) * scale);
- min_lod = (int) (CLAMP(state->min_lod, 0.0f, 14.0f) * scale);
- }
- else {
- const float scale = 64.0f;
-
- /* [-16.0, 16.0) in S4.6 */
- lod_bias = (int)
- (CLAMP(state->lod_bias, -16.0f, 15.9f) * scale);
- lod_bias &= 0x7ff;
-
- /* [0.0, 13.0] in U4.6 */
- max_lod = (int) (CLAMP(state->max_lod, 0.0f, 13.0f) * scale);
- min_lod = (int) (CLAMP(state->min_lod, 0.0f, 13.0f) * scale);
- }
-
- /*
- * We want LOD to be clamped to determine magnification/minification, and
- * get set to zero when it is magnification or when mipmapping is disabled.
- * The hardware would set LOD to floor(MinLod) and that is a problem when
- * MinLod is greater than or equal to 1.0f.
- *
- * With Base being zero, it is always minification when MinLod is non-zero.
- * To achieve our goal, we just need to set MinLod to zero and set
- * MagFilter to MinFilter when mipmapping is disabled.
- */
- if (state->min_mip_filter == PIPE_TEX_MIPFILTER_NONE && min_lod) {
- min_lod = 0;
- mag_filter = min_filter;
- }
-
- /* determine wrap s/t/r */
- wrap_s = gen6_translate_tex_wrap(state->wrap_s);
- wrap_t = gen6_translate_tex_wrap(state->wrap_t);
- wrap_r = gen6_translate_tex_wrap(state->wrap_r);
- if (ilo_dev_gen(dev) < ILO_GEN(8)) {
- /*
- * For nearest filtering, PIPE_TEX_WRAP_CLAMP means
- * PIPE_TEX_WRAP_CLAMP_TO_EDGE; for linear filtering,
- * PIPE_TEX_WRAP_CLAMP means PIPE_TEX_WRAP_CLAMP_TO_BORDER while
- * additionally clamping the texture coordinates to [0.0, 1.0].
- *
- * PIPE_TEX_WRAP_CLAMP is not supported natively until Gen8. The
- * clamping has to be taken care of in the shaders. There are two
- * filters here, but let the minification one has a say.
- */
- const bool clamp_is_to_edge =
- (state->min_img_filter == PIPE_TEX_FILTER_NEAREST);
-
- if (clamp_is_to_edge) {
- if (wrap_s == GEN8_TEXCOORDMODE_HALF_BORDER)
- wrap_s = GEN6_TEXCOORDMODE_CLAMP;
- if (wrap_t == GEN8_TEXCOORDMODE_HALF_BORDER)
- wrap_t = GEN6_TEXCOORDMODE_CLAMP;
- if (wrap_r == GEN8_TEXCOORDMODE_HALF_BORDER)
- wrap_r = GEN6_TEXCOORDMODE_CLAMP;
- } else {
- if (wrap_s == GEN8_TEXCOORDMODE_HALF_BORDER) {
- wrap_s = GEN6_TEXCOORDMODE_CLAMP_BORDER;
- sampler->saturate_s = true;
- }
- if (wrap_t == GEN8_TEXCOORDMODE_HALF_BORDER) {
- wrap_t = GEN6_TEXCOORDMODE_CLAMP_BORDER;
- sampler->saturate_t = true;
- }
- if (wrap_r == GEN8_TEXCOORDMODE_HALF_BORDER) {
- wrap_r = GEN6_TEXCOORDMODE_CLAMP_BORDER;
- sampler->saturate_r = true;
- }
- }
- }
-
- /*
- * From the Sandy Bridge PRM, volume 4 part 1, page 107:
- *
- * "When using cube map texture coordinates, only TEXCOORDMODE_CLAMP
- * and TEXCOORDMODE_CUBE settings are valid, and each TC component
- * must have the same Address Control mode."
- *
- * From the Ivy Bridge PRM, volume 4 part 1, page 96:
- *
- * "This field (Cube Surface Control Mode) must be set to
- * CUBECTRLMODE_PROGRAMMED"
- *
- * Therefore, we cannot use "Cube Surface Control Mode" for semless cube
- * map filtering.
- */
- if (state->seamless_cube_map &&
- (state->min_img_filter != PIPE_TEX_FILTER_NEAREST ||
- state->mag_img_filter != PIPE_TEX_FILTER_NEAREST)) {
- wrap_cube = GEN6_TEXCOORDMODE_CUBE;
- }
- else {
- wrap_cube = GEN6_TEXCOORDMODE_CLAMP;
- }
-
- if (!state->normalized_coords) {
- /*
- * From the Ivy Bridge PRM, volume 4 part 1, page 98:
- *
- * "The following state must be set as indicated if this field
- * (Non-normalized Coordinate Enable) is enabled:
- *
- * - TCX/Y/Z Address Control Mode must be TEXCOORDMODE_CLAMP,
- * TEXCOORDMODE_HALF_BORDER, or TEXCOORDMODE_CLAMP_BORDER.
- * - Surface Type must be SURFTYPE_2D or SURFTYPE_3D.
- * - Mag Mode Filter must be MAPFILTER_NEAREST or
- * MAPFILTER_LINEAR.
- * - Min Mode Filter must be MAPFILTER_NEAREST or
- * MAPFILTER_LINEAR.
- * - Mip Mode Filter must be MIPFILTER_NONE.
- * - Min LOD must be 0.
- * - Max LOD must be 0.
- * - MIP Count must be 0.
- * - Surface Min LOD must be 0.
- * - Texture LOD Bias must be 0."
- */
- assert(wrap_s == GEN6_TEXCOORDMODE_CLAMP ||
- wrap_s == GEN6_TEXCOORDMODE_CLAMP_BORDER);
- assert(wrap_t == GEN6_TEXCOORDMODE_CLAMP ||
- wrap_t == GEN6_TEXCOORDMODE_CLAMP_BORDER);
- assert(wrap_r == GEN6_TEXCOORDMODE_CLAMP ||
- wrap_r == GEN6_TEXCOORDMODE_CLAMP_BORDER);
-
- assert(mag_filter == GEN6_MAPFILTER_NEAREST ||
- mag_filter == GEN6_MAPFILTER_LINEAR);
- assert(min_filter == GEN6_MAPFILTER_NEAREST ||
- min_filter == GEN6_MAPFILTER_LINEAR);
-
- /* work around a bug in util_blitter */
- mip_filter = GEN6_MIPFILTER_NONE;
-
- assert(mip_filter == GEN6_MIPFILTER_NONE);
- }
-
- if (ilo_dev_gen(dev) >= ILO_GEN(7)) {
- dw0 = 1 << 28 |
- mip_filter << 20 |
- lod_bias << 1;
-
- sampler->dw_filter = mag_filter << 17 |
- min_filter << 14;
-
- sampler->dw_filter_aniso = GEN6_MAPFILTER_ANISOTROPIC << 17 |
- GEN6_MAPFILTER_ANISOTROPIC << 14 |
- 1;
-
- dw1 = min_lod << 20 |
- max_lod << 8;
-
- if (state->compare_mode != PIPE_TEX_COMPARE_NONE)
- dw1 |= gen6_translate_shadow_func(state->compare_func) << 1;
-
- dw3 = max_aniso << 19;
-
- /* round the coordinates for linear filtering */
- if (min_filter != GEN6_MAPFILTER_NEAREST) {
- dw3 |= (GEN6_SAMPLER_DW3_U_MIN_ROUND |
- GEN6_SAMPLER_DW3_V_MIN_ROUND |
- GEN6_SAMPLER_DW3_R_MIN_ROUND);
- }
- if (mag_filter != GEN6_MAPFILTER_NEAREST) {
- dw3 |= (GEN6_SAMPLER_DW3_U_MAG_ROUND |
- GEN6_SAMPLER_DW3_V_MAG_ROUND |
- GEN6_SAMPLER_DW3_R_MAG_ROUND);
- }
-
- if (!state->normalized_coords)
- dw3 |= 1 << 10;
-
- sampler->dw_wrap = wrap_s << 6 |
- wrap_t << 3 |
- wrap_r;
-
- /*
- * As noted in the classic i965 driver, the HW may still reference
- * wrap_t and wrap_r for 1D textures. We need to set them to a safe
- * mode
- */
- sampler->dw_wrap_1d = wrap_s << 6 |
- GEN6_TEXCOORDMODE_WRAP << 3 |
- GEN6_TEXCOORDMODE_WRAP;
-
- sampler->dw_wrap_cube = wrap_cube << 6 |
- wrap_cube << 3 |
- wrap_cube;
-
- STATIC_ASSERT(Elements(sampler->payload) >= 7);
-
- sampler->payload[0] = dw0;
- sampler->payload[1] = dw1;
- sampler->payload[2] = dw3;
-
- memcpy(&sampler->payload[3],
- state->border_color.ui, sizeof(state->border_color.ui));
- }
- else {
- dw0 = 1 << 28 |
- mip_filter << 20 |
- lod_bias << 3;
-
- if (state->compare_mode != PIPE_TEX_COMPARE_NONE)
- dw0 |= gen6_translate_shadow_func(state->compare_func);
-
- sampler->dw_filter = (min_filter != mag_filter) << 27 |
- mag_filter << 17 |
- min_filter << 14;
-
- sampler->dw_filter_aniso = GEN6_MAPFILTER_ANISOTROPIC << 17 |
- GEN6_MAPFILTER_ANISOTROPIC << 14;
-
- dw1 = min_lod << 22 |
- max_lod << 12;
-
- sampler->dw_wrap = wrap_s << 6 |
- wrap_t << 3 |
- wrap_r;
-
- sampler->dw_wrap_1d = wrap_s << 6 |
- GEN6_TEXCOORDMODE_WRAP << 3 |
- GEN6_TEXCOORDMODE_WRAP;
-
- sampler->dw_wrap_cube = wrap_cube << 6 |
- wrap_cube << 3 |
- wrap_cube;
-
- dw3 = max_aniso << 19;
-
- /* round the coordinates for linear filtering */
- if (min_filter != GEN6_MAPFILTER_NEAREST) {
- dw3 |= (GEN6_SAMPLER_DW3_U_MIN_ROUND |
- GEN6_SAMPLER_DW3_V_MIN_ROUND |
- GEN6_SAMPLER_DW3_R_MIN_ROUND);
- }
- if (mag_filter != GEN6_MAPFILTER_NEAREST) {
- dw3 |= (GEN6_SAMPLER_DW3_U_MAG_ROUND |
- GEN6_SAMPLER_DW3_V_MAG_ROUND |
- GEN6_SAMPLER_DW3_R_MAG_ROUND);
- }
-
- if (!state->normalized_coords)
- dw3 |= 1;
-
- STATIC_ASSERT(Elements(sampler->payload) >= 15);
-
- sampler->payload[0] = dw0;
- sampler->payload[1] = dw1;
- sampler->payload[2] = dw3;
-
- sampler_init_border_color_gen6(dev,
- &state->border_color, &sampler->payload[3], 12);
- }
-}
int shader_type,
struct ilo_render_draw_session *session)
{
- const struct ilo_sampler_cso * const *samplers =
- vec->sampler[shader_type].cso;
- const struct pipe_sampler_view * const *views =
- (const struct pipe_sampler_view **) vec->view[shader_type].states;
+ const struct ilo_view_cso * const *views =
+ (const struct ilo_view_cso **) vec->view[shader_type].states;
+ struct ilo_state_sampler samplers[ILO_MAX_SAMPLERS];
uint32_t *sampler_state, *border_color_state;
- int sampler_count;
+ int sampler_count, i;
bool emit_border_color = false;
bool skip = false;
sampler_count <= Elements(vec->sampler[shader_type].cso));
if (emit_border_color) {
- int i;
-
for (i = 0; i < sampler_count; i++) {
- border_color_state[i] = (samplers[i]) ?
- gen6_SAMPLER_BORDER_COLOR_STATE(r->builder, samplers[i]) : 0;
+ const struct ilo_sampler_cso *cso = vec->sampler[shader_type].cso[i];
+
+ border_color_state[i] = (cso) ?
+ gen6_SAMPLER_BORDER_COLOR_STATE(r->builder, &cso->border) : 0;
+ }
+ }
+
+ for (i = 0; i < sampler_count; i++) {
+ const struct ilo_sampler_cso *cso = vec->sampler[shader_type].cso[i];
+
+ if (cso && views[i]) {
+ samplers[i] = cso->sampler;
+ ilo_state_sampler_set_surface(&samplers[i],
+ r->dev, &views[i]->surface);
+ } else {
+ samplers[i] = vec->disabled_sampler;
}
}
- *sampler_state = gen6_SAMPLER_STATE(r->builder,
- samplers, views, border_color_state, sampler_count);
+ *sampler_state = gen6_SAMPLER_STATE(r->builder, samplers,
+ border_color_state, sampler_count);
}
static void
{
const unsigned shader_type = PIPE_SHADER_COMPUTE;
const struct ilo_shader_state *cs = vec->cs;
- const struct ilo_sampler_cso * const *samplers =
- vec->sampler[shader_type].cso;
- const struct pipe_sampler_view * const *views =
- (const struct pipe_sampler_view **) vec->view[shader_type].states;
+ const struct ilo_view_cso * const *views =
+ (const struct ilo_view_cso **) vec->view[shader_type].states;
+ struct ilo_state_sampler samplers[ILO_MAX_SAMPLERS];
int sampler_count, i;
ILO_DEV_ASSERT(r->dev, 7, 7.5);
sampler_count <= Elements(vec->sampler[shader_type].cso));
for (i = 0; i < sampler_count; i++) {
- r->state.cs.SAMPLER_BORDER_COLOR_STATE[i] = (samplers[i]) ?
- gen6_SAMPLER_BORDER_COLOR_STATE(r->builder, samplers[i]) : 0;
+ const struct ilo_sampler_cso *cso = vec->sampler[shader_type].cso[i];
+
+ r->state.cs.SAMPLER_BORDER_COLOR_STATE[i] = (cso) ?
+ gen6_SAMPLER_BORDER_COLOR_STATE(r->builder, &cso->border) : 0;
+ }
+
+ for (i = 0; i < sampler_count; i++) {
+ const struct ilo_sampler_cso *cso = vec->sampler[shader_type].cso[i];
+
+ if (cso && views[i]) {
+ samplers[i] = cso->sampler;
+ ilo_state_sampler_set_surface(&samplers[i],
+ r->dev, &views[i]->surface);
+ } else {
+ samplers[i] = vec->disabled_sampler;
+ }
}
- r->state.cs.SAMPLER_STATE = gen6_SAMPLER_STATE(r->builder, samplers, views,
+ r->state.cs.SAMPLER_STATE = gen6_SAMPLER_STATE(r->builder, samplers,
r->state.cs.SAMPLER_BORDER_COLOR_STATE, sampler_count);
}
#include "ilo_shader.h"
#include "ilo_state.h"
+static enum gen_mip_filter
+ilo_translate_mip_filter(unsigned filter)
+{
+ switch (filter) {
+ case PIPE_TEX_MIPFILTER_NEAREST: return GEN6_MIPFILTER_NEAREST;
+ case PIPE_TEX_MIPFILTER_LINEAR: return GEN6_MIPFILTER_LINEAR;
+ case PIPE_TEX_MIPFILTER_NONE: return GEN6_MIPFILTER_NONE;
+ default:
+ assert(!"unknown mipfilter");
+ return GEN6_MIPFILTER_NONE;
+ }
+}
+
+static int
+ilo_translate_img_filter(unsigned filter)
+{
+ switch (filter) {
+ case PIPE_TEX_FILTER_NEAREST: return GEN6_MAPFILTER_NEAREST;
+ case PIPE_TEX_FILTER_LINEAR: return GEN6_MAPFILTER_LINEAR;
+ default:
+ assert(!"unknown sampler filter");
+ return GEN6_MAPFILTER_NEAREST;
+ }
+}
+
+static enum gen_texcoord_mode
+ilo_translate_address_wrap(unsigned wrap)
+{
+ switch (wrap) {
+ case PIPE_TEX_WRAP_CLAMP: return GEN8_TEXCOORDMODE_HALF_BORDER;
+ case PIPE_TEX_WRAP_REPEAT: return GEN6_TEXCOORDMODE_WRAP;
+ case PIPE_TEX_WRAP_CLAMP_TO_EDGE: return GEN6_TEXCOORDMODE_CLAMP;
+ case PIPE_TEX_WRAP_CLAMP_TO_BORDER: return GEN6_TEXCOORDMODE_CLAMP_BORDER;
+ case PIPE_TEX_WRAP_MIRROR_REPEAT: return GEN6_TEXCOORDMODE_MIRROR;
+ case PIPE_TEX_WRAP_MIRROR_CLAMP:
+ case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
+ case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
+ default:
+ assert(!"unknown sampler wrap mode");
+ return GEN6_TEXCOORDMODE_WRAP;
+ }
+}
+
+static enum gen_aniso_ratio
+ilo_translate_max_anisotropy(unsigned max_anisotropy)
+{
+ switch (max_anisotropy) {
+ case 0: case 1: case 2: return GEN6_ANISORATIO_2;
+ case 3: case 4: return GEN6_ANISORATIO_4;
+ case 5: case 6: return GEN6_ANISORATIO_6;
+ case 7: case 8: return GEN6_ANISORATIO_8;
+ case 9: case 10: return GEN6_ANISORATIO_10;
+ case 11: case 12: return GEN6_ANISORATIO_12;
+ case 13: case 14: return GEN6_ANISORATIO_14;
+ default: return GEN6_ANISORATIO_16;
+ }
+}
+
+static enum gen_prefilter_op
+ilo_translate_shadow_func(unsigned func)
+{
+ /*
+ * For PIPE_FUNC_x, the reference value is on the left-hand side of the
+ * comparison, and 1.0 is returned when the comparison is true.
+ *
+ * For GEN6_PREFILTEROP_x, the reference value is on the right-hand side of
+ * the comparison, and 0.0 is returned when the comparison is true.
+ */
+ switch (func) {
+ case PIPE_FUNC_NEVER: return GEN6_PREFILTEROP_ALWAYS;
+ case PIPE_FUNC_LESS: return GEN6_PREFILTEROP_LEQUAL;
+ case PIPE_FUNC_EQUAL: return GEN6_PREFILTEROP_NOTEQUAL;
+ case PIPE_FUNC_LEQUAL: return GEN6_PREFILTEROP_LESS;
+ case PIPE_FUNC_GREATER: return GEN6_PREFILTEROP_GEQUAL;
+ case PIPE_FUNC_NOTEQUAL: return GEN6_PREFILTEROP_EQUAL;
+ case PIPE_FUNC_GEQUAL: return GEN6_PREFILTEROP_GREATER;
+ case PIPE_FUNC_ALWAYS: return GEN6_PREFILTEROP_NEVER;
+ default:
+ assert(!"unknown shadow compare function");
+ return GEN6_PREFILTEROP_NEVER;
+ }
+}
+
static void
finalize_shader_states(struct ilo_state_vector *vec)
{
{
const struct ilo_dev *dev = ilo_context(pipe)->dev;
struct ilo_sampler_cso *sampler;
+ struct ilo_state_sampler_info info;
+ struct ilo_state_sampler_border_info border;
- sampler = MALLOC_STRUCT(ilo_sampler_cso);
+ sampler = CALLOC_STRUCT(ilo_sampler_cso);
assert(sampler);
- ilo_gpe_init_sampler_cso(dev, state, sampler);
+ memset(&info, 0, sizeof(info));
+
+ info.non_normalized = !state->normalized_coords;
+ if (state->normalized_coords) {
+ info.lod_bias = state->lod_bias;
+ info.min_lod = state->min_lod;
+ info.max_lod = state->max_lod;
+
+ info.mip_filter = ilo_translate_mip_filter(state->min_mip_filter);
+ } else {
+ /* work around a bug in util_blitter */
+ info.mip_filter = GEN6_MIPFILTER_NONE;
+ }
+
+ if (state->max_anisotropy) {
+ info.min_filter = GEN6_MAPFILTER_ANISOTROPIC;
+ info.mag_filter = GEN6_MAPFILTER_ANISOTROPIC;
+ } else {
+ info.min_filter = ilo_translate_img_filter(state->min_img_filter);
+ info.mag_filter = ilo_translate_img_filter(state->mag_img_filter);
+ }
+
+ info.max_anisotropy = ilo_translate_max_anisotropy(state->max_anisotropy);
+
+ /* use LOD 0 when no mipmapping (see sampler_set_gen6_SAMPLER_STATE()) */
+ if (info.mip_filter == GEN6_MIPFILTER_NONE && info.min_lod > 0.0f) {
+ info.min_lod = 0.0f;
+ info.mag_filter = info.min_filter;
+ }
+
+ if (state->seamless_cube_map) {
+ if (state->min_img_filter == PIPE_TEX_FILTER_NEAREST ||
+ state->mag_img_filter == PIPE_TEX_FILTER_NEAREST) {
+ info.tcx_ctrl = GEN6_TEXCOORDMODE_CLAMP;
+ info.tcy_ctrl = GEN6_TEXCOORDMODE_CLAMP;
+ info.tcz_ctrl = GEN6_TEXCOORDMODE_CLAMP;
+ } else {
+ info.tcx_ctrl = GEN6_TEXCOORDMODE_CUBE;
+ info.tcy_ctrl = GEN6_TEXCOORDMODE_CUBE;
+ info.tcz_ctrl = GEN6_TEXCOORDMODE_CUBE;
+ }
+ } else {
+ info.tcx_ctrl = ilo_translate_address_wrap(state->wrap_s);
+ info.tcy_ctrl = ilo_translate_address_wrap(state->wrap_t);
+ info.tcz_ctrl = ilo_translate_address_wrap(state->wrap_r);
+
+ if (ilo_dev_gen(dev) < ILO_GEN(8)) {
+ /*
+ * For nearest filtering, PIPE_TEX_WRAP_CLAMP means
+ * PIPE_TEX_WRAP_CLAMP_TO_EDGE; for linear filtering,
+ * PIPE_TEX_WRAP_CLAMP means PIPE_TEX_WRAP_CLAMP_TO_BORDER while
+ * additionally clamping the texture coordinates to [0.0, 1.0].
+ *
+ * PIPE_TEX_WRAP_CLAMP is not supported natively until Gen8. The
+ * clamping has to be taken care of in the shaders. There are two
+ * filters here, but let the minification one has a say.
+ */
+ const bool clamp_is_to_edge =
+ (state->min_img_filter == PIPE_TEX_FILTER_NEAREST);
+
+ if (clamp_is_to_edge) {
+ if (info.tcx_ctrl == GEN8_TEXCOORDMODE_HALF_BORDER)
+ info.tcx_ctrl = GEN6_TEXCOORDMODE_CLAMP;
+ if (info.tcy_ctrl == GEN8_TEXCOORDMODE_HALF_BORDER)
+ info.tcy_ctrl = GEN6_TEXCOORDMODE_CLAMP;
+ if (info.tcz_ctrl == GEN8_TEXCOORDMODE_HALF_BORDER)
+ info.tcz_ctrl = GEN6_TEXCOORDMODE_CLAMP;
+ } else {
+ if (info.tcx_ctrl == GEN8_TEXCOORDMODE_HALF_BORDER) {
+ info.tcx_ctrl = GEN6_TEXCOORDMODE_CLAMP_BORDER;
+ sampler->saturate_s = true;
+ }
+ if (info.tcy_ctrl == GEN8_TEXCOORDMODE_HALF_BORDER) {
+ info.tcy_ctrl = GEN6_TEXCOORDMODE_CLAMP_BORDER;
+ sampler->saturate_t = true;
+ }
+ if (info.tcz_ctrl == GEN8_TEXCOORDMODE_HALF_BORDER) {
+ info.tcz_ctrl = GEN6_TEXCOORDMODE_CLAMP_BORDER;
+ sampler->saturate_r = true;
+ }
+ }
+ }
+ }
+
+ if (state->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE)
+ info.shadow_func = ilo_translate_shadow_func(state->compare_func);
+
+ ilo_state_sampler_init(&sampler->sampler, dev, &info);
+
+ memset(&border, 0, sizeof(border));
+ memcpy(border.rgba.f, state->border_color.f, sizeof(border.rgba.f));
+
+ ilo_state_sampler_border_init(&sampler->border, dev, &border);
return sampler;
}
ilo_state_surface_init_for_null(&vec->fb.null_rt, dev);
ilo_state_zs_init_for_null(&vec->fb.null_zs, dev);
+ ilo_state_sampler_init_disabled(&vec->disabled_sampler, dev);
+
util_dynarray_init(&vec->global_binding.bindings);
vec->dirty = ILO_DIRTY_ALL;
#define ILO_STATE_H
#include "core/ilo_state_3d.h"
+#include "core/ilo_state_sampler.h"
#include "core/ilo_state_surface.h"
#include "core/ilo_state_zs.h"
#include "pipe/p_state.h"
const void *user_buffer;
};
+struct ilo_sampler_cso {
+ struct ilo_state_sampler sampler;
+ struct ilo_state_sampler_border border;
+ bool saturate_s;
+ bool saturate_t;
+ bool saturate_r;
+};
+
+struct ilo_sampler_state {
+ const struct ilo_sampler_cso *cso[ILO_MAX_SAMPLERS];
+};
+
struct ilo_cbuf_state {
struct ilo_cbuf_cso cso[ILO_MAX_CONST_BUFFERS];
uint32_t enabled_mask;
struct ilo_cbuf_state cbuf[PIPE_SHADER_TYPES];
struct ilo_resource_state resource;
+ struct ilo_state_sampler disabled_sampler;
+
/* GPGPU */
struct ilo_shader_state *cs;
struct ilo_resource_state cs_resource;
projects / mesa.git / commitdiff