freedreno: Remove the Emacs mode lines
[mesa.git] / src / gallium / drivers / freedreno / a4xx / fd4_texture.c
index 886b4547929c441c13d693e7137ff056e7940ba5..748e08e1f7f6e22eba48fc78f2ba41897080df45 100644 (file)
@@ -1,5 +1,3 @@
-/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
-
 /*
  * Copyright (C) 2014 Rob Clark <robclark@freedesktop.org>
  *
@@ -36,7 +34,7 @@
 #include "fd4_format.h"
 
 static enum a4xx_tex_clamp
-tex_clamp(unsigned wrap, bool clamp_to_edge)
+tex_clamp(unsigned wrap, bool clamp_to_edge, bool *needs_border)
 {
        /* Hardware does not support _CLAMP, but we emulate it: */
        if (wrap == PIPE_TEX_WRAP_CLAMP) {
@@ -50,6 +48,7 @@ tex_clamp(unsigned wrap, bool clamp_to_edge)
        case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
                return A4XX_TEX_CLAMP_TO_EDGE;
        case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
+               *needs_border = true;
                return A4XX_TEX_CLAMP_TO_BORDER;
        case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
                /* only works for PoT.. need to emulate otherwise! */
@@ -113,17 +112,19 @@ fd4_sampler_state_create(struct pipe_context *pctx,
                so->saturate_r = (cso->wrap_r == PIPE_TEX_WRAP_CLAMP);
        }
 
+       so->needs_border = false;
        so->texsamp0 =
                COND(miplinear, A4XX_TEX_SAMP_0_MIPFILTER_LINEAR_NEAR) |
                A4XX_TEX_SAMP_0_XY_MAG(tex_filter(cso->mag_img_filter, aniso)) |
                A4XX_TEX_SAMP_0_XY_MIN(tex_filter(cso->min_img_filter, aniso)) |
                A4XX_TEX_SAMP_0_ANISO(aniso) |
-               A4XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s, clamp_to_edge)) |
-               A4XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t, clamp_to_edge)) |
-               A4XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r, clamp_to_edge));
+               A4XX_TEX_SAMP_0_WRAP_S(tex_clamp(cso->wrap_s, clamp_to_edge, &so->needs_border)) |
+               A4XX_TEX_SAMP_0_WRAP_T(tex_clamp(cso->wrap_t, clamp_to_edge, &so->needs_border)) |
+               A4XX_TEX_SAMP_0_WRAP_R(tex_clamp(cso->wrap_r, clamp_to_edge, &so->needs_border));
 
        so->texsamp1 =
 //             COND(miplinear, A4XX_TEX_SAMP_1_MIPFILTER_LINEAR_FAR) |
+               COND(!cso->seamless_cube_map, A4XX_TEX_SAMP_1_CUBEMAPSEAMLESSFILTOFF) |
                COND(!cso->normalized_coords, A4XX_TEX_SAMP_1_UNNORM_COORDS);
 
        if (cso->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) {
@@ -141,7 +142,7 @@ fd4_sampler_state_create(struct pipe_context *pctx,
 
 static void
 fd4_sampler_states_bind(struct pipe_context *pctx,
-               unsigned shader, unsigned start,
+               enum pipe_shader_type shader, unsigned start,
                unsigned nr, void **hwcso)
 {
        struct fd_context *ctx = fd_context(pctx);
@@ -149,6 +150,9 @@ fd4_sampler_states_bind(struct pipe_context *pctx,
        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 fd4_sampler_stateobj *sampler =
@@ -205,18 +209,31 @@ tex_type(unsigned target)
        }
 }
 
+static bool
+use_astc_srgb_workaround(struct pipe_context *pctx, enum pipe_format format)
+{
+       return (fd_screen(pctx->screen)->gpu_id == 420) &&
+               (util_format_description(format)->layout == UTIL_FORMAT_LAYOUT_ASTC);
+}
+
 static struct pipe_sampler_view *
 fd4_sampler_view_create(struct pipe_context *pctx, struct pipe_resource *prsc,
                const struct pipe_sampler_view *cso)
 {
        struct fd4_pipe_sampler_view *so = CALLOC_STRUCT(fd4_pipe_sampler_view);
        struct fd_resource *rsc = fd_resource(prsc);
-       unsigned lvl = fd_sampler_first_level(cso);
-       unsigned miplevels = fd_sampler_last_level(cso) - lvl;
+       enum pipe_format format = cso->format;
+       unsigned lvl, layers;
+       uint32_t sz2 = 0;
 
        if (!so)
                return NULL;
 
+       if (format == PIPE_FORMAT_X32_S8X24_UINT) {
+               rsc = rsc->stencil;
+               format = rsc->base.format;
+       }
+
        so->base = *cso;
        pipe_reference(NULL, &prsc->reference);
        so->base.texture = prsc;
@@ -224,41 +241,79 @@ fd4_sampler_view_create(struct pipe_context *pctx, struct pipe_resource *prsc,
        so->base.context = pctx;
 
        so->texconst0 =
-               A4XX_TEX_CONST_0_TYPE(tex_type(prsc->target)) |
-               A4XX_TEX_CONST_0_FMT(fd4_pipe2tex(cso->format)) |
-               A4XX_TEX_CONST_0_MIPLVLS(miplevels) |
-               fd4_tex_swiz(cso->format, cso->swizzle_r, cso->swizzle_g,
+               A4XX_TEX_CONST_0_TYPE(tex_type(cso->target)) |
+               A4XX_TEX_CONST_0_FMT(fd4_pipe2tex(format)) |
+               fd4_tex_swiz(format, cso->swizzle_r, cso->swizzle_g,
                                cso->swizzle_b, cso->swizzle_a);
 
-       if (util_format_is_srgb(cso->format))
+       if (util_format_is_srgb(format)) {
+               if (use_astc_srgb_workaround(pctx, format))
+                       so->astc_srgb = true;
                so->texconst0 |= A4XX_TEX_CONST_0_SRGB;
+       }
 
-       so->texconst1 =
-               A4XX_TEX_CONST_1_WIDTH(u_minify(prsc->width0, lvl)) |
-               A4XX_TEX_CONST_1_HEIGHT(u_minify(prsc->height0, lvl));
-       so->texconst2 =
-               A4XX_TEX_CONST_2_FETCHSIZE(fd4_pipe2fetchsize(cso->format)) |
-               A4XX_TEX_CONST_2_PITCH(
-                       fd4_pipe2nblocksx(
-                               cso->format, rsc->slices[lvl].pitch) * rsc->cpp);
+       if (cso->target == PIPE_BUFFER) {
+               unsigned elements = cso->u.buf.size / util_format_get_blocksize(format);
 
-       switch (prsc->target) {
+               lvl = 0;
+               so->texconst1 =
+                       A4XX_TEX_CONST_1_WIDTH(elements) |
+                       A4XX_TEX_CONST_1_HEIGHT(1);
+               so->texconst2 =
+                       A4XX_TEX_CONST_2_FETCHSIZE(fd4_pipe2fetchsize(format)) |
+                       A4XX_TEX_CONST_2_PITCH(elements * rsc->cpp);
+               so->offset = cso->u.buf.offset;
+       } else {
+               unsigned miplevels;
+
+               lvl = fd_sampler_first_level(cso);
+               miplevels = fd_sampler_last_level(cso) - lvl;
+               layers = cso->u.tex.last_layer - cso->u.tex.first_layer + 1;
+
+               so->texconst0 |= A4XX_TEX_CONST_0_MIPLVLS(miplevels);
+               so->texconst1 =
+                       A4XX_TEX_CONST_1_WIDTH(u_minify(prsc->width0, lvl)) |
+                       A4XX_TEX_CONST_1_HEIGHT(u_minify(prsc->height0, lvl));
+               so->texconst2 =
+                       A4XX_TEX_CONST_2_FETCHSIZE(fd4_pipe2fetchsize(format)) |
+                       A4XX_TEX_CONST_2_PITCH(
+                                       util_format_get_nblocksx(
+                                                       format, rsc->slices[lvl].pitch) * rsc->cpp);
+               so->offset = fd_resource_offset(rsc, lvl, cso->u.tex.first_layer);
+       }
+
+       /* NOTE: since we sample z24s8 using 8888_UINT format, the swizzle
+        * we get isn't quite right.  Use SWAP(XYZW) as a cheap and cheerful
+        * way to re-arrange things so stencil component is where the swiz
+        * expects.
+        *
+        * Note that gallium expects stencil sampler to return (s,s,s,s)
+        * which isn't quite true.  To make that happen we'd have to massage
+        * the swizzle.  But in practice only the .x component is used.
+        */
+       if (format == PIPE_FORMAT_X24S8_UINT)
+               so->texconst2 |= A4XX_TEX_CONST_2_SWAP(XYZW);
+
+       switch (cso->target) {
        case PIPE_TEXTURE_1D_ARRAY:
        case PIPE_TEXTURE_2D_ARRAY:
                so->texconst3 =
-                       A4XX_TEX_CONST_3_DEPTH(prsc->array_size) |
+                       A4XX_TEX_CONST_3_DEPTH(layers) |
                        A4XX_TEX_CONST_3_LAYERSZ(rsc->layer_size);
                break;
        case PIPE_TEXTURE_CUBE:
        case PIPE_TEXTURE_CUBE_ARRAY:
                so->texconst3 =
-                       A4XX_TEX_CONST_3_DEPTH(prsc->array_size / 6) |
+                       A4XX_TEX_CONST_3_DEPTH(layers / 6) |
                        A4XX_TEX_CONST_3_LAYERSZ(rsc->layer_size);
                break;
        case PIPE_TEXTURE_3D:
                so->texconst3 =
                        A4XX_TEX_CONST_3_DEPTH(u_minify(prsc->depth0, lvl)) |
-                       A4XX_TEX_CONST_3_LAYERSZ(rsc->slices[0].size0);
+                       A4XX_TEX_CONST_3_LAYERSZ(rsc->slices[lvl].size0);
+               while (lvl < cso->u.tex.last_level && sz2 != rsc->slices[lvl+1].size0)
+                       sz2 = rsc->slices[++lvl].size0;
+               so->texconst4 = A4XX_TEX_CONST_4_LAYERSZ(sz2);
                break;
        default:
                so->texconst3 = 0x00000000;
@@ -268,11 +323,39 @@ fd4_sampler_view_create(struct pipe_context *pctx, struct pipe_resource *prsc,
        return &so->base;
 }
 
+static void
+fd4_set_sampler_views(struct pipe_context *pctx, enum pipe_shader_type shader,
+               unsigned start, unsigned nr,
+               struct pipe_sampler_view **views)
+{
+       struct fd_context *ctx = fd_context(pctx);
+       struct fd4_context *fd4_ctx = fd4_context(ctx);
+       uint16_t astc_srgb = 0;
+       unsigned i;
+
+       for (i = 0; i < nr; i++) {
+               if (views[i]) {
+                       struct fd4_pipe_sampler_view *view =
+                                       fd4_pipe_sampler_view(views[i]);
+                       if (view->astc_srgb)
+                               astc_srgb |= (1 << i);
+               }
+       }
+
+       fd_set_sampler_views(pctx, shader, start, nr, views);
+
+       if (shader == PIPE_SHADER_FRAGMENT) {
+               fd4_ctx->fastc_srgb = astc_srgb;
+       } else if (shader == PIPE_SHADER_VERTEX) {
+               fd4_ctx->vastc_srgb = astc_srgb;
+       }
+}
+
 void
 fd4_texture_init(struct pipe_context *pctx)
 {
        pctx->create_sampler_state = fd4_sampler_state_create;
        pctx->bind_sampler_states = fd4_sampler_states_bind;
        pctx->create_sampler_view = fd4_sampler_view_create;
-       pctx->set_sampler_views = fd_set_sampler_views;
+       pctx->set_sampler_views = fd4_set_sampler_views;
 }