-/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
-
/*
* Copyright (C) 2013 Rob Clark <robclark@freedesktop.org>
*
#include "util/u_string.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
-#include "util/u_format.h"
+#include "util/format/u_format.h"
#include "fd3_texture.h"
-#include "fd3_util.h"
+#include "fd3_format.h"
static enum a3xx_tex_clamp
-tex_clamp(unsigned wrap)
+tex_clamp(unsigned wrap, bool clamp_to_edge, bool *needs_border)
{
- /* hardware probably supports more, but we can't coax all the
- * wrap/clamp modes out of the GLESv2 blob driver.
- *
- * TODO once we have basics working, go back and just try
- * different values and see what happens
- */
+ /* Hardware does not support _CLAMP, but we emulate it: */
+ if (wrap == PIPE_TEX_WRAP_CLAMP) {
+ wrap = (clamp_to_edge) ?
+ PIPE_TEX_WRAP_CLAMP_TO_EDGE : PIPE_TEX_WRAP_CLAMP_TO_BORDER;
+ }
+
switch (wrap) {
case PIPE_TEX_WRAP_REPEAT:
return A3XX_TEX_REPEAT;
- case PIPE_TEX_WRAP_CLAMP:
case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
return A3XX_TEX_CLAMP_TO_EDGE;
case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
+ *needs_border = true;
return A3XX_TEX_CLAMP_TO_BORDER;
- case PIPE_TEX_WRAP_MIRROR_CLAMP:
- case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
+ /* only works for PoT.. need to emulate otherwise! */
return A3XX_TEX_MIRROR_CLAMP;
case PIPE_TEX_WRAP_MIRROR_REPEAT:
return A3XX_TEX_MIRROR_REPEAT;
+ case PIPE_TEX_WRAP_MIRROR_CLAMP:
+ case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
+ /* these two we could perhaps emulate, but we currently
+ * just don't advertise PIPE_CAP_TEXTURE_MIRROR_CLAMP
+ */
default:
DBG("invalid wrap: %u", wrap);
return 0;
}
static enum a3xx_tex_filter
-tex_filter(unsigned filter)
+tex_filter(unsigned filter, bool aniso)
{
switch (filter) {
case PIPE_TEX_FILTER_NEAREST:
return A3XX_TEX_NEAREST;
case PIPE_TEX_FILTER_LINEAR:
- return A3XX_TEX_LINEAR;
+ return aniso ? A3XX_TEX_ANISO : A3XX_TEX_LINEAR;
default:
DBG("invalid filter: %u", filter);
return 0;
const struct pipe_sampler_state *cso)
{
struct fd3_sampler_stateobj *so = CALLOC_STRUCT(fd3_sampler_stateobj);
+ unsigned aniso = util_last_bit(MIN2(cso->max_anisotropy >> 1, 8));
bool miplinear = false;
+ bool clamp_to_edge;
if (!so)
return NULL;
so->base = *cso;
+ /*
+ * For nearest filtering, _CLAMP means _CLAMP_TO_EDGE; for linear
+ * filtering, _CLAMP means _CLAMP_TO_BORDER while additionally
+ * clamping the texture coordinates to [0.0, 1.0].
+ *
+ * The clamping will be taken care of in the shaders. There are two
+ * filters here, but let the minification one has a say.
+ */
+ clamp_to_edge = (cso->min_img_filter == PIPE_TEX_FILTER_NEAREST);
+ if (!clamp_to_edge) {
+ so->saturate_s = (cso->wrap_s == PIPE_TEX_WRAP_CLAMP);
+ so->saturate_t = (cso->wrap_t == PIPE_TEX_WRAP_CLAMP);
+ so->saturate_r = (cso->wrap_r == PIPE_TEX_WRAP_CLAMP);
+ }
+
+ so->needs_border = false;
so->texsamp0 =
COND(!cso->normalized_coords, A3XX_TEX_SAMP_0_UNNORM_COORDS) |
+ COND(!cso->seamless_cube_map, A3XX_TEX_SAMP_0_CUBEMAPSEAMLESSFILTOFF) |
COND(miplinear, A3XX_TEX_SAMP_0_MIPFILTER_LINEAR) |
- A3XX_TEX_SAMP_0_XY_MAG(tex_filter(cso->mag_img_filter)) |
- A3XX_TEX_SAMP_0_XY_MIN(tex_filter(cso->min_img_filter)) |
- A3XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s)) |
- A3XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t)) |
- A3XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r));
+ A3XX_TEX_SAMP_0_XY_MAG(tex_filter(cso->mag_img_filter, aniso)) |
+ A3XX_TEX_SAMP_0_XY_MIN(tex_filter(cso->min_img_filter, aniso)) |
+ A3XX_TEX_SAMP_0_ANISO(aniso) |
+ A3XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s, clamp_to_edge, &so->needs_border)) |
+ A3XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t, clamp_to_edge, &so->needs_border)) |
+ A3XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r, clamp_to_edge, &so->needs_border));
if (cso->compare_mode)
so->texsamp0 |= A3XX_TEX_SAMP_0_COMPARE_FUNC(cso->compare_func); /* maps 1:1 */
+ so->texsamp1 = A3XX_TEX_SAMP_1_LOD_BIAS(cso->lod_bias);
+
if (cso->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
- so->texsamp1 =
- A3XX_TEX_SAMP_1_MIN_LOD(cso->min_lod) |
- A3XX_TEX_SAMP_1_MAX_LOD(cso->max_lod);
+ so->texsamp1 |=
+ A3XX_TEX_SAMP_1_MIN_LOD(cso->min_lod) |
+ A3XX_TEX_SAMP_1_MAX_LOD(cso->max_lod);
} else {
- so->texsamp1 = 0x00000000;
+ /* If we're not doing mipmap filtering, we still need a slightly > 0
+ * LOD clamp so the HW can decide between min and mag filtering of
+ * level 0.
+ */
+ so->texsamp1 |=
+ A3XX_TEX_SAMP_1_MIN_LOD(MIN2(cso->min_lod, 0.125)) |
+ A3XX_TEX_SAMP_1_MAX_LOD(MIN2(cso->max_lod, 0.125));
}
return so;
}
+static void
+fd3_sampler_states_bind(struct pipe_context *pctx,
+ enum pipe_shader_type shader, unsigned start,
+ unsigned nr, void **hwcso)
+{
+ struct fd_context *ctx = fd_context(pctx);
+ struct fd3_context *fd3_ctx = fd3_context(ctx);
+ uint16_t saturate_s = 0, saturate_t = 0, saturate_r = 0;
+ unsigned i;
+
+ if (!hwcso)
+ nr = 0;
+
+ for (i = 0; i < nr; i++) {
+ if (hwcso[i]) {
+ struct fd3_sampler_stateobj *sampler =
+ fd3_sampler_stateobj(hwcso[i]);
+ if (sampler->saturate_s)
+ saturate_s |= (1 << i);
+ if (sampler->saturate_t)
+ saturate_t |= (1 << i);
+ if (sampler->saturate_r)
+ saturate_r |= (1 << i);
+ }
+ }
+
+ fd_sampler_states_bind(pctx, shader, start, nr, hwcso);
+
+ if (shader == PIPE_SHADER_FRAGMENT) {
+ fd3_ctx->fsaturate =
+ (saturate_s != 0) ||
+ (saturate_t != 0) ||
+ (saturate_r != 0);
+ fd3_ctx->fsaturate_s = saturate_s;
+ fd3_ctx->fsaturate_t = saturate_t;
+ fd3_ctx->fsaturate_r = saturate_r;
+ } else if (shader == PIPE_SHADER_VERTEX) {
+ fd3_ctx->vsaturate =
+ (saturate_s != 0) ||
+ (saturate_t != 0) ||
+ (saturate_r != 0);
+ fd3_ctx->vsaturate_s = saturate_s;
+ fd3_ctx->vsaturate_t = saturate_t;
+ fd3_ctx->vsaturate_r = saturate_r;
+ }
+}
+
static enum a3xx_tex_type
tex_type(unsigned target)
{
{
struct fd3_pipe_sampler_view *so = CALLOC_STRUCT(fd3_pipe_sampler_view);
struct fd_resource *rsc = fd_resource(prsc);
- unsigned miplevels = cso->u.tex.last_level - cso->u.tex.first_level;
+ unsigned lvl;
+ uint32_t sz2 = 0;
if (!so)
return NULL;
so->base.reference.count = 1;
so->base.context = pctx;
- so->tex_resource = rsc;
- so->mipaddrs = 1 + miplevels;
-
so->texconst0 =
+ A3XX_TEX_CONST_0_TILE_MODE(rsc->tile_mode) |
A3XX_TEX_CONST_0_TYPE(tex_type(prsc->target)) |
A3XX_TEX_CONST_0_FMT(fd3_pipe2tex(cso->format)) |
- A3XX_TEX_CONST_0_MIPLVLS(miplevels) |
fd3_tex_swiz(cso->format, cso->swizzle_r, cso->swizzle_g,
cso->swizzle_b, cso->swizzle_a);
+ if (prsc->target == PIPE_BUFFER || util_format_is_pure_integer(cso->format))
+ so->texconst0 |= A3XX_TEX_CONST_0_NOCONVERT;
if (util_format_is_srgb(cso->format))
so->texconst0 |= A3XX_TEX_CONST_0_SRGB;
- so->texconst1 =
+ if (prsc->target == PIPE_BUFFER) {
+ lvl = 0;
+ so->texconst1 =
A3XX_TEX_CONST_1_FETCHSIZE(fd3_pipe2fetchsize(cso->format)) |
- A3XX_TEX_CONST_1_WIDTH(prsc->width0) |
- A3XX_TEX_CONST_1_HEIGHT(prsc->height0);
+ A3XX_TEX_CONST_1_WIDTH(cso->u.buf.size / util_format_get_blocksize(cso->format)) |
+ A3XX_TEX_CONST_1_HEIGHT(1);
+ } else {
+ unsigned miplevels;
+
+ lvl = fd_sampler_first_level(cso);
+ miplevels = fd_sampler_last_level(cso) - lvl;
+
+ so->texconst0 |= A3XX_TEX_CONST_0_MIPLVLS(miplevels);
+ so->texconst1 =
+ A3XX_TEX_CONST_1_FETCHSIZE(fd3_pipe2fetchsize(cso->format)) |
+ A3XX_TEX_CONST_1_WIDTH(u_minify(prsc->width0, lvl)) |
+ A3XX_TEX_CONST_1_HEIGHT(u_minify(prsc->height0, lvl));
+ }
/* when emitted, A3XX_TEX_CONST_2_INDX() must be OR'd in: */
so->texconst2 =
- A3XX_TEX_CONST_2_PITCH(rsc->slices[0].pitch * rsc->cpp);
- so->texconst3 = 0x00000000; /* ??? */
+ A3XX_TEX_CONST_2_PITCH(fd3_pipe2nblocksx(cso->format, rsc->slices[lvl].pitch) * rsc->cpp);
+ switch (prsc->target) {
+ case PIPE_TEXTURE_1D_ARRAY:
+ case PIPE_TEXTURE_2D_ARRAY:
+ so->texconst3 =
+ A3XX_TEX_CONST_3_DEPTH(prsc->array_size - 1) |
+ A3XX_TEX_CONST_3_LAYERSZ1(rsc->slices[0].size0);
+ break;
+ case PIPE_TEXTURE_3D:
+ so->texconst3 =
+ A3XX_TEX_CONST_3_DEPTH(u_minify(prsc->depth0, lvl)) |
+ A3XX_TEX_CONST_3_LAYERSZ1(rsc->slices[lvl].size0);
+ while (lvl < cso->u.tex.last_level && sz2 != rsc->slices[lvl+1].size0)
+ sz2 = rsc->slices[++lvl].size0;
+ so->texconst3 |= A3XX_TEX_CONST_3_LAYERSZ2(sz2);
+ break;
+ default:
+ so->texconst3 = 0x00000000;
+ break;
+ }
return &so->base;
}
fd3_texture_init(struct pipe_context *pctx)
{
pctx->create_sampler_state = fd3_sampler_state_create;
+ pctx->bind_sampler_states = fd3_sampler_states_bind;
pctx->create_sampler_view = fd3_sampler_view_create;
+ pctx->set_sampler_views = fd_set_sampler_views;
}
projects / mesa.git / blobdiff