-/* -*- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -*- */
-
/*
* Copyright (C) 2012 Rob Clark <robclark@freedesktop.org>
*
#include "util/u_inlines.h"
#include "freedreno_texture.h"
+#include "freedreno_context.h"
+#include "freedreno_resource.h"
#include "freedreno_util.h"
-static enum sq_tex_clamp
-tex_clamp(unsigned wrap)
-{
- switch (wrap) {
- case PIPE_TEX_WRAP_REPEAT:
- return SQ_TEX_WRAP;
- case PIPE_TEX_WRAP_CLAMP:
- return SQ_TEX_CLAMP_HALF_BORDER;
- case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
- return SQ_TEX_CLAMP_LAST_TEXEL;
- case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
- return SQ_TEX_CLAMP_BORDER;
- case PIPE_TEX_WRAP_MIRROR_REPEAT:
- return SQ_TEX_MIRROR;
- case PIPE_TEX_WRAP_MIRROR_CLAMP:
- return SQ_TEX_MIRROR_ONCE_HALF_BORDER;
- case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_EDGE:
- return SQ_TEX_MIRROR_ONCE_LAST_TEXEL;
- case PIPE_TEX_WRAP_MIRROR_CLAMP_TO_BORDER:
- return SQ_TEX_MIRROR_ONCE_BORDER;
- default:
- DBG("invalid wrap: %u", wrap);
- return 0;
- }
-}
-
-static enum sq_tex_filter
-tex_filter(unsigned filter)
-{
- switch (filter) {
- case PIPE_TEX_FILTER_NEAREST:
- return SQ_TEX_FILTER_POINT;
- case PIPE_TEX_FILTER_LINEAR:
- return SQ_TEX_FILTER_BILINEAR;
- default:
- DBG("invalid filter: %u", filter);
- return 0;
- }
-}
-
-static void *
-fd_sampler_state_create(struct pipe_context *pctx,
- const struct pipe_sampler_state *cso)
-{
- struct fd_sampler_stateobj *so = CALLOC_STRUCT(fd_sampler_stateobj);
-
- if (!so)
- return NULL;
-
- so->base = *cso;
-
- /* SQ_TEX0_PITCH() must be OR'd in later when we know the bound texture: */
- so->tex0 =
- A2XX_SQ_TEX_0_CLAMP_X(tex_clamp(cso->wrap_s)) |
- A2XX_SQ_TEX_0_CLAMP_Y(tex_clamp(cso->wrap_t)) |
- A2XX_SQ_TEX_0_CLAMP_Z(tex_clamp(cso->wrap_r));
-
- so->tex3 =
- A2XX_SQ_TEX_3_XY_MAG_FILTER(tex_filter(cso->mag_img_filter)) |
- A2XX_SQ_TEX_3_XY_MIN_FILTER(tex_filter(cso->min_img_filter));
-
- so->tex4 = 0x00000000; /* ??? */
- so->tex5 = 0x00000200; /* ??? */
-
- return so;
-}
-
static void
fd_sampler_state_delete(struct pipe_context *pctx, void *hwcso)
{
FREE(hwcso);
}
-static struct pipe_sampler_view *
-fd_sampler_view_create(struct pipe_context *pctx, struct pipe_resource *prsc,
- const struct pipe_sampler_view *cso)
-{
- struct fd_pipe_sampler_view *so = CALLOC_STRUCT(fd_pipe_sampler_view);
- struct fd_resource *rsc = fd_resource(prsc);
-
- if (!so)
- return NULL;
-
- so->base = *cso;
- pipe_reference(NULL, &prsc->reference);
- so->base.texture = prsc;
- so->base.reference.count = 1;
- so->base.context = pctx;
-
- so->tex_resource = rsc;
- so->fmt = fd_pipe2surface(cso->format);
-
- so->tex0 = A2XX_SQ_TEX_0_PITCH(rsc->pitch);
- so->tex2 =
- A2XX_SQ_TEX_2_HEIGHT(prsc->height0 - 1) |
- A2XX_SQ_TEX_2_WIDTH(prsc->width0 - 1);
- so->tex3 = fd_tex_swiz(cso->format, cso->swizzle_r, cso->swizzle_g,
- cso->swizzle_b, cso->swizzle_a);
-
- return &so->base;
-}
-
static void
fd_sampler_view_destroy(struct pipe_context *pctx,
struct pipe_sampler_view *view)
FREE(view);
}
-static void bind_sampler_states(struct fd_texture_stateobj *prog,
- unsigned nr, void **hwcso)
+static void bind_sampler_states(struct fd_texture_stateobj *tex,
+ unsigned start, unsigned nr, void **hwcso)
{
unsigned i;
for (i = 0; i < nr; i++) {
- prog->samplers[i] = hwcso[i];
- prog->dirty_samplers |= (1 << i);
+ unsigned p = i + start;
+ tex->samplers[p] = hwcso[i];
+ if (tex->samplers[p])
+ tex->valid_samplers |= (1 << p);
+ else
+ tex->valid_samplers &= ~(1 << p);
}
- for (; i < prog->num_samplers; i++) {
- prog->samplers[i] = NULL;
- prog->dirty_samplers |= (1 << i);
- }
-
- prog->num_samplers = nr;
+ tex->num_samplers = util_last_bit(tex->valid_samplers);
}
-static void set_sampler_views(struct fd_texture_stateobj *prog,
- unsigned nr, struct pipe_sampler_view **views)
+static void set_sampler_views(struct fd_texture_stateobj *tex,
+ unsigned start, unsigned nr, struct pipe_sampler_view **views)
{
unsigned i;
+ unsigned samplers = 0;
for (i = 0; i < nr; i++) {
- pipe_sampler_view_reference(&prog->textures[i], views[i]);
- prog->dirty_samplers |= (1 << i);
+ struct pipe_sampler_view *view = views ? views[i] : NULL;
+ unsigned p = i + start;
+ pipe_sampler_view_reference(&tex->textures[p], view);
+ if (tex->textures[p]) {
+ fd_resource_set_usage(tex->textures[p]->texture, FD_DIRTY_TEX);
+ tex->valid_textures |= (1 << p);
+ } else {
+ tex->valid_textures &= ~(1 << p);
+ }
}
- for (; i < prog->num_textures; i++) {
- pipe_sampler_view_reference(&prog->textures[i], NULL);
- prog->dirty_samplers |= (1 << i);
+ tex->num_textures = util_last_bit(tex->valid_textures);
+
+ for (i = 0; i < tex->num_textures; i++) {
+ uint nr_samples = fd_resource_nr_samples(tex->textures[i]->texture);
+ samplers |= (nr_samples >> 1) << (i * 2);
}
- prog->num_textures = nr;
+ tex->samples = samplers;
}
-static void
-fd_fragtex_sampler_states_bind(struct pipe_context *pctx,
+void
+fd_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);
- /* on a2xx, since there is a flat address space for textures/samplers,
- * a change in # of fragment textures/samplers will trigger patching and
- * re-emitting the vertex shader:
- */
- if (nr != ctx->fragtex.num_samplers)
- ctx->dirty |= FD_DIRTY_TEXSTATE;
-
- bind_sampler_states(&ctx->fragtex, nr, hwcso);
- ctx->dirty |= FD_DIRTY_FRAGTEX;
+ bind_sampler_states(&ctx->tex[shader], start, nr, hwcso);
+ ctx->dirty_shader[shader] |= FD_DIRTY_SHADER_TEX;
+ ctx->dirty |= FD_DIRTY_TEX;
}
-
-static void
-fd_fragtex_set_sampler_views(struct pipe_context *pctx, unsigned nr,
+void
+fd_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);
- /* on a2xx, since there is a flat address space for textures/samplers,
- * a change in # of fragment textures/samplers will trigger patching and
- * re-emitting the vertex shader:
- */
- if (nr != ctx->fragtex.num_textures)
- ctx->dirty |= FD_DIRTY_TEXSTATE;
-
- set_sampler_views(&ctx->fragtex, nr, views);
- ctx->dirty |= FD_DIRTY_FRAGTEX;
-}
-
-static void
-fd_verttex_sampler_states_bind(struct pipe_context *pctx,
- unsigned nr, void **hwcso)
-{
- struct fd_context *ctx = fd_context(pctx);
- bind_sampler_states(&ctx->verttex, nr, hwcso);
- ctx->dirty |= FD_DIRTY_VERTTEX;
-}
-
-
-static void
-fd_verttex_set_sampler_views(struct pipe_context *pctx, unsigned nr,
- struct pipe_sampler_view **views)
-{
- struct fd_context *ctx = fd_context(pctx);
- set_sampler_views(&ctx->verttex, nr, views);
- ctx->dirty |= FD_DIRTY_VERTTEX;
+ set_sampler_views(&ctx->tex[shader], start, nr, views);
+ ctx->dirty_shader[shader] |= FD_DIRTY_SHADER_TEX;
+ ctx->dirty |= FD_DIRTY_TEX;
}
-/* map gallium sampler-id to hw const-idx.. adreno uses a flat address
- * space of samplers (const-idx), so we need to map the gallium sampler-id
- * which is per-shader to a global const-idx space.
- *
- * Fragment shader sampler maps directly to const-idx, and vertex shader
- * is offset by the # of fragment shader samplers. If the # of fragment
- * shader samplers changes, this shifts the vertex shader indexes.
- *
- * TODO maybe we can do frag shader 0..N and vert shader N..0 to avoid
- * this??
- */
-unsigned
-fd_get_const_idx(struct fd_context *ctx, struct fd_texture_stateobj *tex,
- unsigned samp_id)
+void
+fd_texture_init(struct pipe_context *pctx)
{
- if (tex == &ctx->fragtex)
- return samp_id;
- return samp_id + ctx->fragtex.num_samplers;
+ if (!pctx->delete_sampler_state)
+ pctx->delete_sampler_state = fd_sampler_state_delete;
+ if (!pctx->sampler_view_destroy)
+ pctx->sampler_view_destroy = fd_sampler_view_destroy;
}
+/* helper for setting up border-color buffer for a3xx/a4xx: */
void
-fd_texture_init(struct pipe_context *pctx)
+fd_setup_border_colors(struct fd_texture_stateobj *tex, void *ptr,
+ unsigned offset)
{
- pctx->create_sampler_state = fd_sampler_state_create;
- pctx->delete_sampler_state = fd_sampler_state_delete;
-
- pctx->create_sampler_view = fd_sampler_view_create;
- pctx->sampler_view_destroy = fd_sampler_view_destroy;
-
- pctx->bind_fragment_sampler_states = fd_fragtex_sampler_states_bind;
- pctx->set_fragment_sampler_views = fd_fragtex_set_sampler_views;
-
- pctx->bind_vertex_sampler_states = fd_verttex_sampler_states_bind;
- pctx->set_vertex_sampler_views = fd_verttex_set_sampler_views;
+ unsigned i, j;
+
+ for (i = 0; i < tex->num_samplers; i++) {
+ struct pipe_sampler_state *sampler = tex->samplers[i];
+ uint16_t *bcolor = (uint16_t *)((uint8_t *)ptr +
+ (BORDERCOLOR_SIZE * offset) +
+ (BORDERCOLOR_SIZE * i));
+ uint32_t *bcolor32 = (uint32_t *)&bcolor[16];
+
+ if (!sampler)
+ continue;
+
+ /*
+ * XXX HACK ALERT XXX
+ *
+ * The border colors need to be swizzled in a particular
+ * format-dependent order. Even though samplers don't know about
+ * formats, we can assume that with a GL state tracker, there's a
+ * 1:1 correspondence between sampler and texture. Take advantage
+ * of that knowledge.
+ */
+ if (i < tex->num_textures && tex->textures[i]) {
+ const struct util_format_description *desc =
+ util_format_description(tex->textures[i]->format);
+ for (j = 0; j < 4; j++) {
+ if (desc->swizzle[j] >= 4)
+ continue;
+
+ const struct util_format_channel_description *chan =
+ &desc->channel[desc->swizzle[j]];
+ if (chan->pure_integer) {
+ bcolor32[desc->swizzle[j] + 4] = sampler->border_color.i[j];
+ bcolor[desc->swizzle[j] + 8] = sampler->border_color.i[j];
+ } else {
+ bcolor32[desc->swizzle[j]] = fui(sampler->border_color.f[j]);
+ bcolor[desc->swizzle[j]] =
+ util_float_to_half(sampler->border_color.f[j]);
+ }
+ }
+ }
+ }
}