*/
#include "util/macros.h"
+#include "util/u_prim.h"
#include "util/u_vbuf.h"
#include "panfrost-quirks.h"
k * sizeof(*attrs));
}
+static mali_ptr
+panfrost_emit_varyings(struct panfrost_batch *batch, union mali_attr *slot,
+ unsigned stride, unsigned count)
+{
+ /* Fill out the descriptor */
+ slot->stride = stride;
+ slot->size = stride * count;
+ slot->shift = slot->extra_flags = 0;
+
+ struct panfrost_transfer transfer = panfrost_allocate_transient(batch,
+ slot->size);
+
+ slot->elements = transfer.gpu | MALI_ATTR_LINEAR;
+
+ return transfer.gpu;
+}
+
+static void
+panfrost_emit_streamout(struct panfrost_batch *batch, union mali_attr *slot,
+ unsigned stride, unsigned offset, unsigned count,
+ struct pipe_stream_output_target *target)
+{
+ /* Fill out the descriptor */
+ slot->stride = stride * 4;
+ slot->shift = slot->extra_flags = 0;
+
+ unsigned max_size = target->buffer_size;
+ unsigned expected_size = slot->stride * count;
+
+ slot->size = MIN2(max_size, expected_size);
+
+ /* Grab the BO and bind it to the batch */
+ struct panfrost_bo *bo = pan_resource(target->buffer)->bo;
+
+ /* Varyings are WRITE from the perspective of the VERTEX but READ from
+ * the perspective of the TILER and FRAGMENT.
+ */
+ panfrost_batch_add_bo(batch, bo,
+ PAN_BO_ACCESS_SHARED |
+ PAN_BO_ACCESS_RW |
+ PAN_BO_ACCESS_VERTEX_TILER |
+ PAN_BO_ACCESS_FRAGMENT);
+
+ mali_ptr addr = bo->gpu + target->buffer_offset + (offset * slot->stride);
+ slot->elements = addr;
+}
+
+/* Given a shader and buffer indices, link varying metadata together */
+
+static bool
+is_special_varying(gl_varying_slot loc)
+{
+ switch (loc) {
+ case VARYING_SLOT_POS:
+ case VARYING_SLOT_PSIZ:
+ case VARYING_SLOT_PNTC:
+ case VARYING_SLOT_FACE:
+ return true;
+ default:
+ return false;
+ }
+}
+
+static void
+panfrost_emit_varying_meta(void *outptr, struct panfrost_shader_state *ss,
+ signed general, signed gl_Position,
+ signed gl_PointSize, signed gl_PointCoord,
+ signed gl_FrontFacing)
+{
+ struct mali_attr_meta *out = (struct mali_attr_meta *) outptr;
+
+ for (unsigned i = 0; i < ss->varying_count; ++i) {
+ gl_varying_slot location = ss->varyings_loc[i];
+ int index = -1;
+
+ switch (location) {
+ case VARYING_SLOT_POS:
+ index = gl_Position;
+ break;
+ case VARYING_SLOT_PSIZ:
+ index = gl_PointSize;
+ break;
+ case VARYING_SLOT_PNTC:
+ index = gl_PointCoord;
+ break;
+ case VARYING_SLOT_FACE:
+ index = gl_FrontFacing;
+ break;
+ default:
+ index = general;
+ break;
+ }
+
+ assert(index >= 0);
+ out[i].index = index;
+ }
+}
+
+static bool
+has_point_coord(unsigned mask, gl_varying_slot loc)
+{
+ if ((loc >= VARYING_SLOT_TEX0) && (loc <= VARYING_SLOT_TEX7))
+ return (mask & (1 << (loc - VARYING_SLOT_TEX0)));
+ else if (loc == VARYING_SLOT_PNTC)
+ return (mask & (1 << 8));
+ else
+ return false;
+}
+
+/* Helpers for manipulating stream out information so we can pack varyings
+ * accordingly. Compute the src_offset for a given captured varying */
+
+static struct pipe_stream_output *
+pan_get_so(struct pipe_stream_output_info *info, gl_varying_slot loc)
+{
+ for (unsigned i = 0; i < info->num_outputs; ++i) {
+ if (info->output[i].register_index == loc)
+ return &info->output[i];
+ }
+
+ unreachable("Varying not captured");
+}
+
+/* TODO: Integers */
+static enum mali_format
+pan_xfb_format(unsigned nr_components)
+{
+ switch (nr_components) {
+ case 1: return MALI_R32F;
+ case 2: return MALI_RG32F;
+ case 3: return MALI_RGB32F;
+ case 4: return MALI_RGBA32F;
+ default: unreachable("Invalid format");
+ }
+}
+
+void
+panfrost_emit_varying_descriptor(struct panfrost_batch *batch,
+ unsigned vertex_count,
+ struct midgard_payload_vertex_tiler *vp,
+ struct midgard_payload_vertex_tiler *tp)
+{
+ /* Load the shaders */
+ struct panfrost_context *ctx = batch->ctx;
+ struct panfrost_shader_state *vs, *fs;
+ unsigned int num_gen_varyings = 0;
+ size_t vs_size, fs_size;
+
+ /* Allocate the varying descriptor */
+
+ vs = panfrost_get_shader_state(ctx, PIPE_SHADER_VERTEX);
+ fs = panfrost_get_shader_state(ctx, PIPE_SHADER_FRAGMENT);
+ vs_size = sizeof(struct mali_attr_meta) * vs->varying_count;
+ fs_size = sizeof(struct mali_attr_meta) * fs->varying_count;
+
+ struct panfrost_transfer trans = panfrost_allocate_transient(batch,
+ vs_size +
+ fs_size);
+
+ struct pipe_stream_output_info *so = &vs->stream_output;
+
+ /* Check if this varying is linked by us. This is the case for
+ * general-purpose, non-captured varyings. If it is, link it. If it's
+ * not, use the provided stream out information to determine the
+ * offset, since it was already linked for us. */
+
+ for (unsigned i = 0; i < vs->varying_count; i++) {
+ gl_varying_slot loc = vs->varyings_loc[i];
+
+ bool special = is_special_varying(loc);
+ bool captured = ((vs->so_mask & (1ll << loc)) ? true : false);
+
+ if (captured) {
+ struct pipe_stream_output *o = pan_get_so(so, loc);
+
+ unsigned dst_offset = o->dst_offset * 4; /* dwords */
+ vs->varyings[i].src_offset = dst_offset;
+ } else if (!special) {
+ vs->varyings[i].src_offset = 16 * (num_gen_varyings++);
+ }
+ }
+
+ /* Conversely, we need to set src_offset for the captured varyings.
+ * Here, the layout is defined by the stream out info, not us */
+
+ /* Link up with fragment varyings */
+ bool reads_point_coord = fs->reads_point_coord;
+
+ for (unsigned i = 0; i < fs->varying_count; i++) {
+ gl_varying_slot loc = fs->varyings_loc[i];
+ unsigned src_offset;
+ signed vs_idx = -1;
+
+ /* Link up */
+ for (unsigned j = 0; j < vs->varying_count; ++j) {
+ if (vs->varyings_loc[j] == loc) {
+ vs_idx = j;
+ break;
+ }
+ }
+
+ /* Either assign or reuse */
+ if (vs_idx >= 0)
+ src_offset = vs->varyings[vs_idx].src_offset;
+ else
+ src_offset = 16 * (num_gen_varyings++);
+
+ fs->varyings[i].src_offset = src_offset;
+
+ if (has_point_coord(fs->point_sprite_mask, loc))
+ reads_point_coord = true;
+ }
+
+ memcpy(trans.cpu, vs->varyings, vs_size);
+ memcpy(trans.cpu + vs_size, fs->varyings, fs_size);
+
+ union mali_attr varyings[PIPE_MAX_ATTRIBS] = { };
+
+ /* Figure out how many streamout buffers could be bound */
+ unsigned so_count = ctx->streamout.num_targets;
+ for (unsigned i = 0; i < vs->varying_count; i++) {
+ gl_varying_slot loc = vs->varyings_loc[i];
+
+ bool captured = ((vs->so_mask & (1ll << loc)) ? true : false);
+ if (!captured) continue;
+
+ struct pipe_stream_output *o = pan_get_so(so, loc);
+ so_count = MAX2(so_count, o->output_buffer + 1);
+ }
+
+ signed idx = so_count;
+ signed general = idx++;
+ signed gl_Position = idx++;
+ signed gl_PointSize = vs->writes_point_size ? (idx++) : -1;
+ signed gl_PointCoord = reads_point_coord ? (idx++) : -1;
+ signed gl_FrontFacing = fs->reads_face ? (idx++) : -1;
+ signed gl_FragCoord = fs->reads_frag_coord ? (idx++) : -1;
+
+ /* Emit the stream out buffers */
+
+ unsigned out_count = u_stream_outputs_for_vertices(ctx->active_prim,
+ ctx->vertex_count);
+
+ for (unsigned i = 0; i < so_count; ++i) {
+ if (i < ctx->streamout.num_targets) {
+ panfrost_emit_streamout(batch, &varyings[i],
+ so->stride[i],
+ ctx->streamout.offsets[i],
+ out_count,
+ ctx->streamout.targets[i]);
+ } else {
+ /* Emit a dummy buffer */
+ panfrost_emit_varyings(batch, &varyings[i],
+ so->stride[i] * 4,
+ out_count);
+
+ /* Clear the attribute type */
+ varyings[i].elements &= ~0xF;
+ }
+ }
+
+ panfrost_emit_varyings(batch, &varyings[general],
+ num_gen_varyings * 16,
+ vertex_count);
+
+ mali_ptr varyings_p;
+
+ /* fp32 vec4 gl_Position */
+ varyings_p = panfrost_emit_varyings(batch, &varyings[gl_Position],
+ sizeof(float) * 4, vertex_count);
+ tp->postfix.position_varying = varyings_p;
+
+
+ if (panfrost_writes_point_size(ctx)) {
+ varyings_p = panfrost_emit_varyings(batch,
+ &varyings[gl_PointSize],
+ 2, vertex_count);
+ tp->primitive_size.pointer = varyings_p;
+ }
+
+ if (reads_point_coord)
+ varyings[gl_PointCoord].elements = MALI_VARYING_POINT_COORD;
+
+ if (fs->reads_face)
+ varyings[gl_FrontFacing].elements = MALI_VARYING_FRONT_FACING;
+
+ if (fs->reads_frag_coord)
+ varyings[gl_FragCoord].elements = MALI_VARYING_FRAG_COORD;
+
+ /* Let's go ahead and link varying meta to the buffer in question, now
+ * that that information is available. VARYING_SLOT_POS is mapped to
+ * gl_FragCoord for fragment shaders but gl_Positionf or vertex shaders
+ * */
+
+ panfrost_emit_varying_meta(trans.cpu, vs, general, gl_Position,
+ gl_PointSize, gl_PointCoord,
+ gl_FrontFacing);
+
+ panfrost_emit_varying_meta(trans.cpu + vs_size, fs, general,
+ gl_FragCoord, gl_PointSize,
+ gl_PointCoord, gl_FrontFacing);
+
+ /* Replace streamout */
+
+ struct mali_attr_meta *ovs = (struct mali_attr_meta *)trans.cpu;
+ struct mali_attr_meta *ofs = ovs + vs->varying_count;
+
+ for (unsigned i = 0; i < vs->varying_count; i++) {
+ gl_varying_slot loc = vs->varyings_loc[i];
+
+ bool captured = ((vs->so_mask & (1ll << loc)) ? true : false);
+ if (!captured)
+ continue;
+
+ struct pipe_stream_output *o = pan_get_so(so, loc);
+ ovs[i].index = o->output_buffer;
+
+ /* Set the type appropriately. TODO: Integer varyings XXX */
+ assert(o->stream == 0);
+ ovs[i].format = pan_xfb_format(o->num_components);
+ ovs[i].swizzle = panfrost_get_default_swizzle(o->num_components);
+
+ /* Link to the fragment */
+ signed fs_idx = -1;
+
+ /* Link up */
+ for (unsigned j = 0; j < fs->varying_count; ++j) {
+ if (fs->varyings_loc[j] == loc) {
+ fs_idx = j;
+ break;
+ }
+ }
+
+ if (fs_idx >= 0) {
+ ofs[fs_idx].index = ovs[i].index;
+ ofs[fs_idx].format = ovs[i].format;
+ ofs[fs_idx].swizzle = ovs[i].swizzle;
+ }
+ }
+
+ /* Replace point sprite */
+ for (unsigned i = 0; i < fs->varying_count; i++) {
+ /* If we have a point sprite replacement, handle that here. We
+ * have to translate location first. TODO: Flip y in shader.
+ * We're already keying ... just time crunch .. */
+
+ if (has_point_coord(fs->point_sprite_mask,
+ fs->varyings_loc[i])) {
+ ofs[i].index = gl_PointCoord;
+
+ /* Swizzle out the z/w to 0/1 */
+ ofs[i].format = MALI_RG16F;
+ ofs[i].swizzle = panfrost_get_default_swizzle(2);
+ }
+ }
+
+ /* Fix up unaligned addresses */
+ for (unsigned i = 0; i < so_count; ++i) {
+ if (varyings[i].elements < MALI_RECORD_SPECIAL)
+ continue;
+
+ unsigned align = (varyings[i].elements & 63);
+
+ /* While we're at it, the SO buffers are linear */
+
+ if (!align) {
+ varyings[i].elements |= MALI_ATTR_LINEAR;
+ continue;
+ }
+
+ /* We need to adjust alignment */
+ varyings[i].elements &= ~63;
+ varyings[i].elements |= MALI_ATTR_LINEAR;
+ varyings[i].size += align;
+
+ for (unsigned v = 0; v < vs->varying_count; ++v) {
+ if (ovs[v].index != i)
+ continue;
+
+ ovs[v].src_offset = vs->varyings[v].src_offset + align;
+ }
+
+ for (unsigned f = 0; f < fs->varying_count; ++f) {
+ if (ofs[f].index != i)
+ continue;
+
+ ofs[f].src_offset = fs->varyings[f].src_offset + align;
+ }
+ }
+
+ varyings_p = panfrost_upload_transient(batch, varyings,
+ idx * sizeof(*varyings));
+ vp->postfix.varyings = varyings_p;
+ tp->postfix.varyings = varyings_p;
+
+ vp->postfix.varying_meta = trans.gpu;
+ tp->postfix.varying_meta = trans.gpu + vs_size;
+}
+
void
panfrost_emit_vertex_tiler_jobs(struct panfrost_batch *batch,
struct midgard_payload_vertex_tiler *vp,
+++ /dev/null
-/*
- * Copyright (C) 2018-2019 Alyssa Rosenzweig
- * Copyright (C) 2019 Collabora, Ltd.
- *
- * 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 "pan_bo.h"
-#include "pan_context.h"
-#include "util/u_prim.h"
-
-static mali_ptr
-panfrost_emit_varyings(
- struct panfrost_context *ctx,
- union mali_attr *slot,
- unsigned stride,
- unsigned count)
-{
- /* Fill out the descriptor */
- slot->stride = stride;
- slot->size = stride * count;
- slot->shift = slot->extra_flags = 0;
-
- struct panfrost_batch *batch = panfrost_get_batch_for_fbo(ctx);
- struct panfrost_transfer transfer =
- panfrost_allocate_transient(batch, slot->size);
-
- slot->elements = transfer.gpu | MALI_ATTR_LINEAR;
-
- return transfer.gpu;
-}
-
-static void
-panfrost_emit_streamout(
- struct panfrost_context *ctx,
- union mali_attr *slot,
- unsigned stride,
- unsigned offset,
- unsigned count,
- struct pipe_stream_output_target *target)
-{
- /* Fill out the descriptor */
- slot->stride = stride * 4;
- slot->shift = slot->extra_flags = 0;
-
- unsigned max_size = target->buffer_size;
- unsigned expected_size = slot->stride * count;
-
- slot->size = MIN2(max_size, expected_size);
-
- /* Grab the BO and bind it to the batch */
- struct panfrost_batch *batch = panfrost_get_batch_for_fbo(ctx);
- struct panfrost_bo *bo = pan_resource(target->buffer)->bo;
-
- /* Varyings are WRITE from the perspective of the VERTEX but READ from
- * the perspective of the TILER and FRAGMENT.
- */
- panfrost_batch_add_bo(batch, bo,
- PAN_BO_ACCESS_SHARED |
- PAN_BO_ACCESS_RW |
- PAN_BO_ACCESS_VERTEX_TILER |
- PAN_BO_ACCESS_FRAGMENT);
-
- mali_ptr addr = bo->gpu + target->buffer_offset + (offset * slot->stride);
- slot->elements = addr;
-}
-
-/* Given a shader and buffer indices, link varying metadata together */
-
-static bool
-is_special_varying(gl_varying_slot loc)
-{
- switch (loc) {
- case VARYING_SLOT_POS:
- case VARYING_SLOT_PSIZ:
- case VARYING_SLOT_PNTC:
- case VARYING_SLOT_FACE:
- return true;
- default:
- return false;
- }
-}
-
-static void
-panfrost_emit_varying_meta(
- void *outptr, struct panfrost_shader_state *ss,
- signed general, signed gl_Position,
- signed gl_PointSize, signed gl_PointCoord,
- signed gl_FrontFacing)
-{
- struct mali_attr_meta *out = (struct mali_attr_meta *) outptr;
-
- for (unsigned i = 0; i < ss->varying_count; ++i) {
- gl_varying_slot location = ss->varyings_loc[i];
- int index = -1;
-
- switch (location) {
- case VARYING_SLOT_POS:
- index = gl_Position;
- break;
- case VARYING_SLOT_PSIZ:
- index = gl_PointSize;
- break;
- case VARYING_SLOT_PNTC:
- index = gl_PointCoord;
- break;
- case VARYING_SLOT_FACE:
- index = gl_FrontFacing;
- break;
- default:
- index = general;
- break;
- }
-
- assert(index >= 0);
- out[i].index = index;
- }
-}
-
-static bool
-has_point_coord(unsigned mask, gl_varying_slot loc)
-{
- if ((loc >= VARYING_SLOT_TEX0) && (loc <= VARYING_SLOT_TEX7))
- return (mask & (1 << (loc - VARYING_SLOT_TEX0)));
- else if (loc == VARYING_SLOT_PNTC)
- return (mask & (1 << 8));
- else
- return false;
-}
-
-/* Helpers for manipulating stream out information so we can pack varyings
- * accordingly. Compute the src_offset for a given captured varying */
-
-static struct pipe_stream_output
-pan_get_so(struct pipe_stream_output_info *info, gl_varying_slot loc)
-{
- for (unsigned i = 0; i < info->num_outputs; ++i) {
- if (info->output[i].register_index == loc)
- return info->output[i];
- }
-
- unreachable("Varying not captured");
-}
-
-/* TODO: Integers */
-static enum mali_format
-pan_xfb_format(unsigned nr_components)
-{
- switch (nr_components) {
- case 1: return MALI_R32F;
- case 2: return MALI_RG32F;
- case 3: return MALI_RGB32F;
- case 4: return MALI_RGBA32F;
- default: unreachable("Invalid format");
- }
-}
-
-void
-panfrost_emit_varying_descriptor(
- struct panfrost_context *ctx,
- unsigned vertex_count)
-{
- /* Load the shaders */
-
- struct panfrost_shader_state *vs = panfrost_get_shader_state(ctx, PIPE_SHADER_VERTEX);
- struct panfrost_shader_state *fs = panfrost_get_shader_state(ctx, PIPE_SHADER_FRAGMENT);
- unsigned int num_gen_varyings = 0;
-
- /* Allocate the varying descriptor */
-
- size_t vs_size = sizeof(struct mali_attr_meta) * vs->varying_count;
- size_t fs_size = sizeof(struct mali_attr_meta) * fs->varying_count;
-
- struct panfrost_batch *batch = panfrost_get_batch_for_fbo(ctx);
- struct panfrost_transfer trans = panfrost_allocate_transient(batch,
- vs_size + fs_size);
-
- struct pipe_stream_output_info so = vs->stream_output;
-
- /* Check if this varying is linked by us. This is the case for
- * general-purpose, non-captured varyings. If it is, link it. If it's
- * not, use the provided stream out information to determine the
- * offset, since it was already linked for us. */
-
- for (unsigned i = 0; i < vs->varying_count; i++) {
- gl_varying_slot loc = vs->varyings_loc[i];
-
- bool special = is_special_varying(loc);
- bool captured = ((vs->so_mask & (1ll << loc)) ? true : false);
-
- if (captured) {
- struct pipe_stream_output o = pan_get_so(&so, loc);
-
- unsigned dst_offset = o.dst_offset * 4; /* dwords */
- vs->varyings[i].src_offset = dst_offset;
- } else if (!special) {
- vs->varyings[i].src_offset = 16 * (num_gen_varyings++);
- }
- }
-
- /* Conversely, we need to set src_offset for the captured varyings.
- * Here, the layout is defined by the stream out info, not us */
-
- /* Link up with fragment varyings */
- bool reads_point_coord = fs->reads_point_coord;
-
- for (unsigned i = 0; i < fs->varying_count; i++) {
- gl_varying_slot loc = fs->varyings_loc[i];
- signed vs_idx = -1;
-
- /* Link up */
- for (unsigned j = 0; j < vs->varying_count; ++j) {
- if (vs->varyings_loc[j] == loc) {
- vs_idx = j;
- break;
- }
- }
-
- /* Either assign or reuse */
- if (vs_idx >= 0)
- fs->varyings[i].src_offset = vs->varyings[vs_idx].src_offset;
- else
- fs->varyings[i].src_offset = 16 * (num_gen_varyings++);
-
- if (has_point_coord(fs->point_sprite_mask, loc))
- reads_point_coord = true;
- }
-
- memcpy(trans.cpu, vs->varyings, vs_size);
- memcpy(trans.cpu + vs_size, fs->varyings, fs_size);
-
- union mali_attr varyings[PIPE_MAX_ATTRIBS];
- memset(varyings, 0, sizeof(varyings));
-
- /* Figure out how many streamout buffers could be bound */
- unsigned so_count = ctx->streamout.num_targets;
- for (unsigned i = 0; i < vs->varying_count; i++) {
- gl_varying_slot loc = vs->varyings_loc[i];
-
- bool captured = ((vs->so_mask & (1ll << loc)) ? true : false);
- if (!captured) continue;
-
- struct pipe_stream_output o = pan_get_so(&so, loc);
- so_count = MAX2(so_count, o.output_buffer + 1);
- }
-
- signed idx = so_count;
- signed general = idx++;
- signed gl_Position = idx++;
- signed gl_PointSize = vs->writes_point_size ? (idx++) : -1;
- signed gl_PointCoord = reads_point_coord ? (idx++) : -1;
- signed gl_FrontFacing = fs->reads_face ? (idx++) : -1;
- signed gl_FragCoord = fs->reads_frag_coord ? (idx++) : -1;
-
- /* Emit the stream out buffers */
-
- unsigned output_count = u_stream_outputs_for_vertices(
- ctx->active_prim, ctx->vertex_count);
-
- for (unsigned i = 0; i < so_count; ++i) {
- struct pipe_stream_output_target *target =
- (i < ctx->streamout.num_targets) ? ctx->streamout.targets[i] : NULL;
-
- if (target) {
- panfrost_emit_streamout(ctx, &varyings[i], so.stride[i], ctx->streamout.offsets[i], output_count, target);
- } else {
- /* Emit a dummy buffer */
- panfrost_emit_varyings(ctx, &varyings[i], so.stride[i] * 4, output_count);
-
- /* Clear the attribute type */
- varyings[i].elements &= ~0xF;
- }
- }
-
- panfrost_emit_varyings(ctx, &varyings[general], num_gen_varyings * 16,
- vertex_count);
-
- /* fp32 vec4 gl_Position */
- ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.position_varying =
- panfrost_emit_varyings(ctx, &varyings[gl_Position],
- sizeof(float) * 4, vertex_count);
-
-
- if (panfrost_writes_point_size(ctx))
- ctx->payloads[PIPE_SHADER_FRAGMENT].primitive_size.pointer =
- panfrost_emit_varyings(ctx, &varyings[gl_PointSize],
- 2, vertex_count);
-
- if (reads_point_coord)
- varyings[gl_PointCoord].elements = MALI_VARYING_POINT_COORD;
-
- if (fs->reads_face)
- varyings[gl_FrontFacing].elements = MALI_VARYING_FRONT_FACING;
-
- if (fs->reads_frag_coord)
- varyings[gl_FragCoord].elements = MALI_VARYING_FRAG_COORD;
-
- /* Let's go ahead and link varying meta to the buffer in question, now
- * that that information is available. VARYING_SLOT_POS is mapped to
- * gl_FragCoord for fragment shaders but gl_Positionf or vertex shaders
- * */
-
- panfrost_emit_varying_meta(trans.cpu, vs,
- general, gl_Position, gl_PointSize,
- gl_PointCoord, gl_FrontFacing);
-
- panfrost_emit_varying_meta(trans.cpu + vs_size, fs,
- general, gl_FragCoord, gl_PointSize,
- gl_PointCoord, gl_FrontFacing);
-
- /* Replace streamout */
-
- struct mali_attr_meta *ovs = (struct mali_attr_meta *) (trans.cpu);
- struct mali_attr_meta *ofs = (struct mali_attr_meta *) (trans.cpu + vs_size);
-
- for (unsigned i = 0; i < vs->varying_count; i++) {
- gl_varying_slot loc = vs->varyings_loc[i];
-
- bool captured = ((vs->so_mask & (1ll << loc)) ? true : false);
- if (!captured) continue;
-
- struct pipe_stream_output o = pan_get_so(&so, loc);
- ovs[i].index = o.output_buffer;
-
- /* Set the type appropriately. TODO: Integer varyings XXX */
- assert(o.stream == 0);
- ovs[i].format = pan_xfb_format(o.num_components);
- ovs[i].swizzle = panfrost_get_default_swizzle(o.num_components);
-
- /* Link to the fragment */
- signed fs_idx = -1;
-
- /* Link up */
- for (unsigned j = 0; j < fs->varying_count; ++j) {
- if (fs->varyings_loc[j] == loc) {
- fs_idx = j;
- break;
- }
- }
-
- if (fs_idx >= 0) {
- ofs[fs_idx].index = ovs[i].index;
- ofs[fs_idx].format = ovs[i].format;
- ofs[fs_idx].swizzle = ovs[i].swizzle;
- }
- }
-
- /* Replace point sprite */
- for (unsigned i = 0; i < fs->varying_count; i++) {
- /* If we have a point sprite replacement, handle that here. We
- * have to translate location first. TODO: Flip y in shader.
- * We're already keying ... just time crunch .. */
-
- if (has_point_coord(fs->point_sprite_mask, fs->varyings_loc[i])) {
- ofs[i].index = gl_PointCoord;
-
- /* Swizzle out the z/w to 0/1 */
- ofs[i].format = MALI_RG16F;
- ofs[i].swizzle =
- panfrost_get_default_swizzle(2);
- }
- }
-
- /* Fix up unaligned addresses */
- for (unsigned i = 0; i < so_count; ++i) {
- if (varyings[i].elements < MALI_RECORD_SPECIAL)
- continue;
-
- unsigned align = (varyings[i].elements & 63);
-
- /* While we're at it, the SO buffers are linear */
-
- if (!align) {
- varyings[i].elements |= MALI_ATTR_LINEAR;
- continue;
- }
-
- /* We need to adjust alignment */
- varyings[i].elements &= ~63;
- varyings[i].elements |= MALI_ATTR_LINEAR;
- varyings[i].size += align;
-
- for (unsigned v = 0; v < vs->varying_count; ++v) {
- if (ovs[v].index == i)
- ovs[v].src_offset = vs->varyings[v].src_offset + align;
- }
-
- for (unsigned f = 0; f < fs->varying_count; ++f) {
- if (ofs[f].index == i)
- ofs[f].src_offset = fs->varyings[f].src_offset + align;
- }
- }
-
- mali_ptr varyings_p = panfrost_upload_transient(batch, &varyings, idx * sizeof(union mali_attr));
- ctx->payloads[PIPE_SHADER_VERTEX].postfix.varyings = varyings_p;
- ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.varyings = varyings_p;
-
- ctx->payloads[PIPE_SHADER_VERTEX].postfix.varying_meta = trans.gpu;
- ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.varying_meta = trans.gpu + vs_size;
-}
projects / mesa.git / commitdiff