return transfer;
}
-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_transfer transfer =
- panfrost_allocate_transient(ctx, slot->size);
-
- slot->elements = transfer.gpu | MALI_ATTR_LINEAR;
-
- return transfer.gpu;
-}
-
-static void
-panfrost_emit_point_coord(union mali_attr *slot)
-{
- slot->elements = MALI_VARYING_POINT_COORD | MALI_ATTR_LINEAR;
- slot->stride = slot->size = slot->shift = slot->extra_flags = 0;
-}
-
-static void
-panfrost_emit_front_face(union mali_attr *slot)
-{
- slot->elements = MALI_VARYING_FRONT_FACING | MALI_ATTR_INTERNAL;
-}
-
-static void
-panfrost_emit_varying_descriptor(
- struct panfrost_context *ctx,
- unsigned vertex_count)
-{
- /* Load the shaders */
-
- struct panfrost_shader_state *vs = &ctx->shader[PIPE_SHADER_VERTEX]->variants[ctx->shader[PIPE_SHADER_VERTEX]->active_variant];
- struct panfrost_shader_state *fs = &ctx->shader[PIPE_SHADER_FRAGMENT]->variants[ctx->shader[PIPE_SHADER_FRAGMENT]->active_variant];
- unsigned int num_gen_varyings = 0;
-
- /* Allocate the varying descriptor */
-
- size_t vs_size = sizeof(struct mali_attr_meta) * vs->tripipe->varying_count;
- size_t fs_size = sizeof(struct mali_attr_meta) * fs->tripipe->varying_count;
-
- struct panfrost_transfer trans = panfrost_allocate_transient(ctx,
- vs_size + fs_size);
-
- /*
- * Assign ->src_offset now that we know about all the general purpose
- * varyings that will be used by the fragment and vertex shaders.
- */
- for (unsigned i = 0; i < vs->tripipe->varying_count; i++) {
- /*
- * General purpose varyings have ->index set to 0, skip other
- * entries.
- */
- if (vs->varyings[i].index)
- continue;
-
- vs->varyings[i].src_offset = 16 * (num_gen_varyings++);
- }
-
- for (unsigned i = 0; i < fs->tripipe->varying_count; i++) {
- unsigned j;
-
- /* 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 .. */
-
- unsigned loc = fs->varyings_loc[i];
- unsigned pnt_loc =
- (loc >= VARYING_SLOT_VAR0) ? (loc - VARYING_SLOT_VAR0) :
- (loc == VARYING_SLOT_PNTC) ? 8 :
- ~0;
-
- if (~pnt_loc && fs->point_sprite_mask & (1 << pnt_loc)) {
- /* gl_PointCoord index by convention */
- fs->varyings[i].index = 3;
- fs->reads_point_coord = true;
-
- /* Swizzle out the z/w to 0/1 */
- fs->varyings[i].format = MALI_RG16F;
- fs->varyings[i].swizzle =
- panfrost_get_default_swizzle(2);
-
- continue;
- }
-
- if (fs->varyings[i].index)
- continue;
-
- /*
- * Re-use the VS general purpose varying pos if it exists,
- * create a new one otherwise.
- */
- for (j = 0; j < vs->tripipe->varying_count; j++) {
- if (fs->varyings_loc[i] == vs->varyings_loc[j])
- break;
- }
-
- if (j < vs->tripipe->varying_count)
- fs->varyings[i].src_offset = vs->varyings[j].src_offset;
- else
- fs->varyings[i].src_offset = 16 * (num_gen_varyings++);
- }
-
- memcpy(trans.cpu, vs->varyings, vs_size);
- memcpy(trans.cpu + vs_size, fs->varyings, fs_size);
-
- ctx->payloads[PIPE_SHADER_VERTEX].postfix.varying_meta = trans.gpu;
- ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.varying_meta = trans.gpu + vs_size;
-
- /* Buffer indices must be in this order per our convention */
- union mali_attr varyings[PIPE_MAX_ATTRIBS];
- unsigned idx = 0;
-
- panfrost_emit_varyings(ctx, &varyings[idx++], num_gen_varyings * 16,
- vertex_count);
-
- /* fp32 vec4 gl_Position */
- ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.position_varying =
- panfrost_emit_varyings(ctx, &varyings[idx++],
- sizeof(float) * 4, vertex_count);
-
-
- if (vs->writes_point_size || fs->reads_point_coord) {
- /* fp16 vec1 gl_PointSize */
- ctx->payloads[PIPE_SHADER_FRAGMENT].primitive_size.pointer =
- panfrost_emit_varyings(ctx, &varyings[idx++],
- 2, vertex_count);
- } else if (fs->reads_face) {
- /* Dummy to advance index */
- ++idx;
- }
-
- if (fs->reads_point_coord) {
- /* Special descriptor */
- panfrost_emit_point_coord(&varyings[idx++]);
- } else if (fs->reads_face) {
- ++idx;
- }
-
- if (fs->reads_face) {
- panfrost_emit_front_face(&varyings[idx++]);
- }
-
- mali_ptr varyings_p = panfrost_upload_transient(ctx, &varyings, idx * sizeof(union mali_attr));
- ctx->payloads[PIPE_SHADER_VERTEX].postfix.varyings = varyings_p;
- ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.varyings = varyings_p;
-}
-
mali_ptr
panfrost_vertex_buffer_address(struct panfrost_context *ctx, unsigned i)
{
--- /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_context.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_transfer transfer =
+ panfrost_allocate_transient(ctx, slot->size);
+
+ slot->elements = transfer.gpu | MALI_ATTR_LINEAR;
+
+ return transfer.gpu;
+}
+
+static void
+panfrost_emit_point_coord(union mali_attr *slot)
+{
+ slot->elements = MALI_VARYING_POINT_COORD | MALI_ATTR_LINEAR;
+ slot->stride = slot->size = slot->shift = slot->extra_flags = 0;
+}
+
+static void
+panfrost_emit_front_face(union mali_attr *slot)
+{
+ slot->elements = MALI_VARYING_FRONT_FACING | MALI_ATTR_INTERNAL;
+}
+
+void
+panfrost_emit_varying_descriptor(
+ struct panfrost_context *ctx,
+ unsigned vertex_count)
+{
+ /* Load the shaders */
+
+ struct panfrost_shader_state *vs = &ctx->shader[PIPE_SHADER_VERTEX]->variants[ctx->shader[PIPE_SHADER_VERTEX]->active_variant];
+ struct panfrost_shader_state *fs = &ctx->shader[PIPE_SHADER_FRAGMENT]->variants[ctx->shader[PIPE_SHADER_FRAGMENT]->active_variant];
+ unsigned int num_gen_varyings = 0;
+
+ /* Allocate the varying descriptor */
+
+ size_t vs_size = sizeof(struct mali_attr_meta) * vs->tripipe->varying_count;
+ size_t fs_size = sizeof(struct mali_attr_meta) * fs->tripipe->varying_count;
+
+ struct panfrost_transfer trans = panfrost_allocate_transient(ctx,
+ vs_size + fs_size);
+
+ /*
+ * Assign ->src_offset now that we know about all the general purpose
+ * varyings that will be used by the fragment and vertex shaders.
+ */
+ for (unsigned i = 0; i < vs->tripipe->varying_count; i++) {
+ /*
+ * General purpose varyings have ->index set to 0, skip other
+ * entries.
+ */
+ if (vs->varyings[i].index)
+ continue;
+
+ vs->varyings[i].src_offset = 16 * (num_gen_varyings++);
+ }
+
+ for (unsigned i = 0; i < fs->tripipe->varying_count; i++) {
+ unsigned j;
+
+ /* 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 .. */
+
+ unsigned loc = fs->varyings_loc[i];
+ unsigned pnt_loc =
+ (loc >= VARYING_SLOT_VAR0) ? (loc - VARYING_SLOT_VAR0) :
+ (loc == VARYING_SLOT_PNTC) ? 8 :
+ ~0;
+
+ if (~pnt_loc && fs->point_sprite_mask & (1 << pnt_loc)) {
+ /* gl_PointCoord index by convention */
+ fs->varyings[i].index = 3;
+ fs->reads_point_coord = true;
+
+ /* Swizzle out the z/w to 0/1 */
+ fs->varyings[i].format = MALI_RG16F;
+ fs->varyings[i].swizzle =
+ panfrost_get_default_swizzle(2);
+
+ continue;
+ }
+
+ if (fs->varyings[i].index)
+ continue;
+
+ /*
+ * Re-use the VS general purpose varying pos if it exists,
+ * create a new one otherwise.
+ */
+ for (j = 0; j < vs->tripipe->varying_count; j++) {
+ if (fs->varyings_loc[i] == vs->varyings_loc[j])
+ break;
+ }
+
+ if (j < vs->tripipe->varying_count)
+ fs->varyings[i].src_offset = vs->varyings[j].src_offset;
+ else
+ fs->varyings[i].src_offset = 16 * (num_gen_varyings++);
+ }
+
+ memcpy(trans.cpu, vs->varyings, vs_size);
+ memcpy(trans.cpu + vs_size, fs->varyings, fs_size);
+
+ ctx->payloads[PIPE_SHADER_VERTEX].postfix.varying_meta = trans.gpu;
+ ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.varying_meta = trans.gpu + vs_size;
+
+ /* Buffer indices must be in this order per our convention */
+ union mali_attr varyings[PIPE_MAX_ATTRIBS];
+ unsigned idx = 0;
+
+ panfrost_emit_varyings(ctx, &varyings[idx++], num_gen_varyings * 16,
+ vertex_count);
+
+ /* fp32 vec4 gl_Position */
+ ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.position_varying =
+ panfrost_emit_varyings(ctx, &varyings[idx++],
+ sizeof(float) * 4, vertex_count);
+
+
+ if (vs->writes_point_size || fs->reads_point_coord) {
+ /* fp16 vec1 gl_PointSize */
+ ctx->payloads[PIPE_SHADER_FRAGMENT].primitive_size.pointer =
+ panfrost_emit_varyings(ctx, &varyings[idx++],
+ 2, vertex_count);
+ } else if (fs->reads_face) {
+ /* Dummy to advance index */
+ ++idx;
+ }
+
+ if (fs->reads_point_coord) {
+ /* Special descriptor */
+ panfrost_emit_point_coord(&varyings[idx++]);
+ } else if (fs->reads_face) {
+ ++idx;
+ }
+
+ if (fs->reads_face) {
+ panfrost_emit_front_face(&varyings[idx++]);
+ }
+
+ mali_ptr varyings_p = panfrost_upload_transient(ctx, &varyings, idx * sizeof(union mali_attr));
+ ctx->payloads[PIPE_SHADER_VERTEX].postfix.varyings = varyings_p;
+ ctx->payloads[PIPE_SHADER_FRAGMENT].postfix.varyings = varyings_p;
+}
projects / mesa.git / commitdiff