/* Do not actually send anything to the GPU; merely generate the cmdstream as fast as possible. Disables framebuffer writes */
//#define DRY_RUN
-#define SET_BIT(lval, bit, cond) \
- if (cond) \
- lval |= (bit); \
- else \
- lval &= ~(bit);
-
-/* TODO: Sample size, etc */
-
-static void
-panfrost_set_framebuffer_msaa(struct panfrost_context *ctx, bool enabled)
-{
- SET_BIT(ctx->fragment_shader_core.unknown2_3, MALI_HAS_MSAA, enabled);
- SET_BIT(ctx->fragment_shader_core.unknown2_4, MALI_NO_MSAA, !enabled);
-
- if (ctx->require_sfbd) {
- SET_BIT(ctx->fragment_sfbd.format, MALI_FRAMEBUFFER_MSAA_A | MALI_FRAMEBUFFER_MSAA_B, enabled);
- } else {
- SET_BIT(ctx->fragment_rts[0].format.flags, MALI_MFBD_FORMAT_MSAA, enabled);
-
- SET_BIT(ctx->fragment_mfbd.unk1, (1 << 4) | (1 << 1), enabled);
-
- /* XXX */
- ctx->fragment_mfbd.rt_count_2 = enabled ? 4 : 1;
- }
-}
-
/* AFBC is enabled on a per-resource basis (AFBC enabling is theoretically
* indepdent between color buffers and depth/stencil). To enable, we allocate
* the AFBC metadata buffer and mark that it is enabled. We do -not- actually
int tile_w = (rsrc->base.width0 + (MALI_TILE_LENGTH - 1)) >> MALI_TILE_SHIFT;
int tile_h = (rsrc->base.height0 + (MALI_TILE_LENGTH - 1)) >> MALI_TILE_SHIFT;
int bytes_per_pixel = util_format_get_blocksize(rsrc->base.format);
- int stride = bytes_per_pixel * rsrc->base.width0; /* TODO: Alignment? */
+ int stride = bytes_per_pixel * ALIGN(rsrc->base.width0, 16);
stride *= 2; /* TODO: Should this be carried over? */
int main_size = stride * rsrc->base.height0;
rsrc->bo->has_checksum = true;
}
-/* ..by contrast, this routine runs for every FRAGMENT job, but does no
- * allocation. AFBC is enabled on a per-surface basis */
-
-static void
-panfrost_set_fragment_afbc(struct panfrost_context *ctx)
-{
- for (int cb = 0; cb < ctx->pipe_framebuffer.nr_cbufs; ++cb) {
- struct panfrost_resource *rsrc = (struct panfrost_resource *) ctx->pipe_framebuffer.cbufs[cb]->texture;
-
- /* Non-AFBC is the default */
- if (rsrc->bo->layout != PAN_AFBC)
- continue;
-
- if (ctx->require_sfbd) {
- DBG("Color AFBC not supported on SFBD\n");
- assert(0);
- }
-
- /* Enable AFBC for the render target */
- ctx->fragment_rts[0].afbc.metadata = rsrc->bo->afbc_slab.gpu;
- ctx->fragment_rts[0].afbc.stride = 0;
- ctx->fragment_rts[0].afbc.unk = 0x30009;
-
- ctx->fragment_rts[0].format.flags |= MALI_MFBD_FORMAT_AFBC;
-
- /* Point rendering to our special framebuffer */
- ctx->fragment_rts[0].framebuffer = rsrc->bo->afbc_slab.gpu + rsrc->bo->afbc_metadata_size;
-
- /* WAT? Stride is diff from the scanout case */
- ctx->fragment_rts[0].framebuffer_stride = ctx->pipe_framebuffer.width * 2 * 4;
- }
-
- /* Enable depth/stencil AFBC for the framebuffer (not the render target) */
- if (ctx->pipe_framebuffer.zsbuf) {
- struct panfrost_resource *rsrc = (struct panfrost_resource *) ctx->pipe_framebuffer.zsbuf->texture;
-
- if (rsrc->bo->layout == PAN_AFBC) {
- if (ctx->require_sfbd) {
- DBG("Depth AFBC not supported on SFBD\n");
- assert(0);
- }
-
- ctx->fragment_mfbd.unk3 |= MALI_MFBD_EXTRA;
-
- ctx->fragment_extra.ds_afbc.depth_stencil_afbc_metadata = rsrc->bo->afbc_slab.gpu;
- ctx->fragment_extra.ds_afbc.depth_stencil_afbc_stride = 0;
-
- ctx->fragment_extra.ds_afbc.depth_stencil = rsrc->bo->afbc_slab.gpu + rsrc->bo->afbc_metadata_size;
-
- ctx->fragment_extra.ds_afbc.zero1 = 0x10009;
- ctx->fragment_extra.ds_afbc.padding = 0x1000;
-
- ctx->fragment_extra.unk = 0x435; /* General 0x400 in all unks. 0x5 for depth/stencil. 0x10 for AFBC encoded depth stencil. Unclear where the 0x20 is from */
-
- ctx->fragment_mfbd.unk3 |= 0x400;
- }
- }
-
- /* For the special case of a depth-only FBO, we need to attach a dummy render target */
-
- if (ctx->pipe_framebuffer.nr_cbufs == 0) {
- if (ctx->require_sfbd) {
- DBG("Depth-only FBO not supported on SFBD\n");
- assert(0);
- }
-
- struct mali_rt_format null_rt = {
- .unk1 = 0x4000000,
- .unk4 = 0x8
- };
-
- ctx->fragment_rts[0].format = null_rt;
- ctx->fragment_rts[0].framebuffer = 0;
- ctx->fragment_rts[0].framebuffer_stride = 0;
- }
-}
-
/* Framebuffer descriptor */
static void
fb->resolution_check = ((w + h) / 3) << 4;
}
-static struct mali_single_framebuffer
+struct mali_single_framebuffer
panfrost_emit_sfbd(struct panfrost_context *ctx)
{
struct mali_single_framebuffer framebuffer = {
return framebuffer;
}
-static struct bifrost_framebuffer
+struct bifrost_framebuffer
panfrost_emit_mfbd(struct panfrost_context *ctx)
{
struct bifrost_framebuffer framebuffer = {
/* Are we currently rendering to the screen (rather than an FBO)? */
-static bool
+bool
panfrost_is_scanout(struct panfrost_context *ctx)
{
/* If there is no color buffer, it's an FBO */
ctx->pipe_framebuffer.cbufs[0]->texture->bind & PIPE_BIND_SHARED;
}
-/* The above function is for generalised fbd emission, used in both fragment as
- * well as vertex/tiler payloads. This payload is specific to fragment
- * payloads. */
-
-static void
-panfrost_new_frag_framebuffer(struct panfrost_context *ctx)
-{
- mali_ptr framebuffer;
- int stride;
-
- if (ctx->pipe_framebuffer.nr_cbufs > 0) {
- framebuffer = ((struct panfrost_resource *) ctx->pipe_framebuffer.cbufs[0]->texture)->bo->gpu[0];
- stride = util_format_get_stride(ctx->pipe_framebuffer.cbufs[0]->format, ctx->pipe_framebuffer.width);
- } else {
- /* Depth-only framebuffer -> dummy RT */
- framebuffer = 0;
- stride = 0;
- }
-
- /* The default is upside down from OpenGL's perspective. */
- if (panfrost_is_scanout(ctx)) {
- framebuffer += stride * (ctx->pipe_framebuffer.height - 1);
- stride = -stride;
- }
-
- if (ctx->require_sfbd) {
- struct mali_single_framebuffer fb = panfrost_emit_sfbd(ctx);
-
- fb.framebuffer = framebuffer;
- fb.stride = stride;
-
- fb.format = 0xb84e0281; /* RGB32, no MSAA */
- memcpy(&ctx->fragment_sfbd, &fb, sizeof(fb));
- } else {
- struct bifrost_framebuffer fb = panfrost_emit_mfbd(ctx);
-
- /* XXX: MRT case */
- fb.rt_count_2 = 1;
- fb.unk3 = 0x100;
-
- /* By default, Gallium seems to need a BGR framebuffer */
- unsigned char bgra[4] = {
- PIPE_SWIZZLE_Z, PIPE_SWIZZLE_Y, PIPE_SWIZZLE_X, PIPE_SWIZZLE_W
- };
-
- struct bifrost_render_target rt = {
- .format = {
- .unk1 = 0x4000000,
- .unk2 = 0x1,
- .nr_channels = MALI_POSITIVE(4),
- .flags = 0x444,
- .swizzle = panfrost_translate_swizzle_4(bgra),
- .unk4 = 0x8
- },
- .framebuffer = framebuffer,
- .framebuffer_stride = (stride / 16) & 0xfffffff,
- };
-
- memcpy(&ctx->fragment_rts[0], &rt, sizeof(rt));
-
- memset(&ctx->fragment_extra, 0, sizeof(ctx->fragment_extra));
- memcpy(&ctx->fragment_mfbd, &fb, sizeof(fb));
- }
-}
-
/* Maps float 0.0-1.0 to int 0x00-0xFF */
static uint8_t
normalised_float_to_u8(float f)
return (uint8_t) (int) (f * 255.0f);
}
-static void
-panfrost_clear_sfbd(struct panfrost_job *job)
-{
- struct panfrost_context *ctx = job->ctx;
- struct mali_single_framebuffer *sfbd = &ctx->fragment_sfbd;
-
- if (job->clear & PIPE_CLEAR_COLOR) {
- sfbd->clear_color_1 = job->clear_color;
- sfbd->clear_color_2 = job->clear_color;
- sfbd->clear_color_3 = job->clear_color;
- sfbd->clear_color_4 = job->clear_color;
- }
-
- if (job->clear & PIPE_CLEAR_DEPTH) {
- sfbd->clear_depth_1 = job->clear_depth;
- sfbd->clear_depth_2 = job->clear_depth;
- sfbd->clear_depth_3 = job->clear_depth;
- sfbd->clear_depth_4 = job->clear_depth;
-
- sfbd->depth_buffer = ctx->depth_stencil_buffer.gpu;
- sfbd->depth_buffer_enable = MALI_DEPTH_STENCIL_ENABLE;
- }
-
- if (job->clear & PIPE_CLEAR_STENCIL) {
- sfbd->clear_stencil = job->clear_stencil;
-
- sfbd->stencil_buffer = ctx->depth_stencil_buffer.gpu;
- sfbd->stencil_buffer_enable = MALI_DEPTH_STENCIL_ENABLE;
- }
-
- /* Set flags based on what has been cleared, for the SFBD case */
- /* XXX: What do these flags mean? */
- int clear_flags = 0x101100;
-
- if (!(job->clear & ~(PIPE_CLEAR_COLOR | PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL))) {
- /* On a tiler like this, it's fastest to clear all three buffers at once */
-
- clear_flags |= MALI_CLEAR_FAST;
- } else {
- clear_flags |= MALI_CLEAR_SLOW;
-
- if (job->clear & PIPE_CLEAR_STENCIL)
- clear_flags |= MALI_CLEAR_SLOW_STENCIL;
- }
-
- sfbd->clear_flags = clear_flags;
-}
-
-static void
-panfrost_clear_mfbd(struct panfrost_job *job)
-{
- struct panfrost_context *ctx = job->ctx;
- struct bifrost_render_target *buffer_color = &ctx->fragment_rts[0];
- struct bifrost_framebuffer *buffer_ds = &ctx->fragment_mfbd;
-
- if (job->clear & PIPE_CLEAR_COLOR) {
- buffer_color->clear_color_1 = job->clear_color;
- buffer_color->clear_color_2 = job->clear_color;
- buffer_color->clear_color_3 = job->clear_color;
- buffer_color->clear_color_4 = job->clear_color;
- }
-
- if (job->clear & PIPE_CLEAR_DEPTH) {
- buffer_ds->clear_depth = job->clear_depth;
- }
-
- if (job->clear & PIPE_CLEAR_STENCIL) {
- buffer_ds->clear_stencil = job->clear_stencil;
- }
-
- if (job->clear & (PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL)) {
- /* Setup combined 24/8 depth/stencil */
- ctx->fragment_mfbd.unk3 |= MALI_MFBD_EXTRA;
- ctx->fragment_extra.unk = 0x405;
- ctx->fragment_extra.ds_linear.depth = ctx->depth_stencil_buffer.gpu;
- ctx->fragment_extra.ds_linear.depth_stride = ctx->pipe_framebuffer.width * 4;
- }
-}
-
static void
panfrost_clear(
struct pipe_context *pipe,
ctx->payload_tiler.postfix.framebuffer = framebuffer;
}
-static void
-panfrost_viewport(struct panfrost_context *ctx,
- float depth_clip_near,
- float depth_clip_far,
- int viewport_x0, int viewport_y0,
- int viewport_x1, int viewport_y1)
-{
- /* Clip bounds are encoded as floats. The viewport itself is encoded as
- * (somewhat) asymmetric ints. */
-
- struct mali_viewport ret = {
- /* By default, do no viewport clipping, i.e. clip to (-inf,
- * inf) in each direction. Clipping to the viewport in theory
- * should work, but in practice causes issues when we're not
- * explicitly trying to scissor */
-
- .clip_minx = -inff,
- .clip_miny = -inff,
- .clip_maxx = inff,
- .clip_maxy = inff,
-
- /* We always perform depth clipping (TODO: Can this be disabled?) */
-
- .clip_minz = depth_clip_near,
- .clip_maxz = depth_clip_far,
-
- .viewport0 = { viewport_x0, viewport_y0 },
- .viewport1 = { MALI_POSITIVE(viewport_x1), MALI_POSITIVE(viewport_y1) },
- };
-
- memcpy(ctx->viewport, &ret, sizeof(ret));
-}
-
/* Reset per-frame context, called on context initialisation as well as after
* flushing a frame */
else
ctx->vt_framebuffer_mfbd = panfrost_emit_mfbd(ctx);
- panfrost_new_frag_framebuffer(ctx);
-
/* Reset varyings allocated */
ctx->varying_height = 0;
},
};
- /* Reserve the viewport */
- struct panfrost_transfer t = panfrost_allocate_chunk(ctx, sizeof(struct mali_viewport), HEAP_DESCRIPTOR);
- ctx->viewport = (struct mali_viewport *) t.cpu;
- payload.postfix.viewport = t.gpu;
-
memcpy(&ctx->payload_tiler, &payload, sizeof(payload));
}
ctx->set_value_job = transfer.gpu;
}
-/* Generate a fragment job. This should be called once per frame. (According to
- * presentations, this is supposed to correspond to eglSwapBuffers) */
-
-mali_ptr
-panfrost_fragment_job(struct panfrost_context *ctx)
+static mali_ptr
+panfrost_emit_varyings(
+ struct panfrost_context *ctx,
+ union mali_attr *slot,
+ unsigned stride,
+ unsigned count)
{
- struct panfrost_job *job = panfrost_get_job_for_fbo(ctx);
+ mali_ptr varying_address = ctx->varying_mem.gpu + ctx->varying_height;
- /* Actualize the clear late; TODO: Fix order dependency between clear
- * and afbc */
+ /* Fill out the descriptor */
+ slot->elements = varying_address | MALI_ATTR_LINEAR;
+ slot->stride = stride;
+ slot->size = stride * count;
- if (ctx->require_sfbd) {
- panfrost_clear_sfbd(job);
- } else {
- panfrost_clear_mfbd(job);
- }
+ ctx->varying_height += ALIGN(slot->size, 64);
+ assert(ctx->varying_height < ctx->varying_mem.size);
- panfrost_set_fragment_afbc(ctx);
+ return varying_address;
+}
- if (ctx->pipe_framebuffer.nr_cbufs == 1) {
- struct panfrost_resource *rsrc = (struct panfrost_resource *) ctx->pipe_framebuffer.cbufs[0]->texture;
+static void
+panfrost_emit_point_coord(union mali_attr *slot)
+{
+ slot->elements = MALI_VARYING_POINT_COORD | MALI_ATTR_LINEAR;
+ slot->stride = slot->size = 0;
+}
- if (rsrc->bo->has_checksum) {
- if (ctx->require_sfbd) {
- DBG("Checksumming not supported on SFBD\n");
- assert(0);
- }
+static void
+panfrost_emit_varying_descriptor(
+ struct panfrost_context *ctx,
+ unsigned invocation_count)
+{
+ /* Load the shaders */
- int stride = util_format_get_stride(rsrc->base.format, rsrc->base.width0);
+ struct panfrost_shader_state *vs = &ctx->vs->variants[ctx->vs->active_variant];
+ struct panfrost_shader_state *fs = &ctx->fs->variants[ctx->fs->active_variant];
- ctx->fragment_mfbd.unk3 |= MALI_MFBD_EXTRA;
- ctx->fragment_extra.unk |= 0x420;
- ctx->fragment_extra.checksum_stride = rsrc->bo->checksum_stride;
- ctx->fragment_extra.checksum = rsrc->bo->gpu[0] + stride * rsrc->base.height0;
- }
- }
+ /* Allocate the varying descriptor */
- /* The frame is complete and therefore the framebuffer descriptor is
- * ready for linkage and upload */
+ 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;
- size_t sz = ctx->require_sfbd ? sizeof(struct mali_single_framebuffer) : (sizeof(struct bifrost_framebuffer) + sizeof(struct bifrost_fb_extra) + sizeof(struct bifrost_render_target) * 1);
- struct panfrost_transfer fbd_t = panfrost_allocate_transient(ctx, sz);
- off_t offset = 0;
+ struct panfrost_transfer trans = panfrost_allocate_transient(ctx,
+ vs_size + fs_size);
- if (ctx->require_sfbd) {
- /* Upload just the SFBD all at once */
- memcpy(fbd_t.cpu, &ctx->fragment_sfbd, sizeof(ctx->fragment_sfbd));
- offset += sizeof(ctx->fragment_sfbd);
- } else {
- /* Upload the MFBD header */
- memcpy(fbd_t.cpu, &ctx->fragment_mfbd, sizeof(ctx->fragment_mfbd));
- offset += sizeof(ctx->fragment_mfbd);
-
- /* Upload extra framebuffer info if necessary */
- if (ctx->fragment_mfbd.unk3 & MALI_MFBD_EXTRA) {
- memcpy(fbd_t.cpu + offset, &ctx->fragment_extra, sizeof(struct bifrost_fb_extra));
- offset += sizeof(struct bifrost_fb_extra);
- }
+ memcpy(trans.cpu, vs->varyings, vs_size);
+ memcpy(trans.cpu + vs_size, fs->varyings, fs_size);
- /* Upload (single) render target */
- memcpy(fbd_t.cpu + offset, &ctx->fragment_rts[0], sizeof(struct bifrost_render_target) * 1);
- }
+ ctx->payload_vertex.postfix.varying_meta = trans.gpu;
+ ctx->payload_tiler.postfix.varying_meta = trans.gpu + vs_size;
- /* Generate the fragment (frame) job */
+ /* Buffer indices must be in this order per our convention */
+ union mali_attr varyings[PIPE_MAX_ATTRIBS];
+ unsigned idx = 0;
- struct mali_job_descriptor_header header = {
- .job_type = JOB_TYPE_FRAGMENT,
- .job_index = 1,
-#ifdef __LP64__
- .job_descriptor_size = 1
-#endif
- };
+ /* General varyings -- use the VS's, since those are more likely to be
+ * accurate on desktop */
- struct mali_payload_fragment payload = {
- .min_tile_coord = MALI_COORDINATE_TO_TILE_MIN(0, 0),
- .max_tile_coord = MALI_COORDINATE_TO_TILE_MAX(ctx->pipe_framebuffer.width, ctx->pipe_framebuffer.height),
- .framebuffer = fbd_t.gpu | (ctx->require_sfbd ? MALI_SFBD : MALI_MFBD),
- };
+ panfrost_emit_varyings(ctx, &varyings[idx++],
+ vs->general_varying_stride, invocation_count);
- if (!ctx->require_sfbd && ctx->fragment_mfbd.unk3 & MALI_MFBD_EXTRA) {
- /* Signal that there is an extra portion of the framebuffer
- * descriptor */
+ /* fp32 vec4 gl_Position */
+ ctx->payload_tiler.postfix.position_varying =
+ panfrost_emit_varyings(ctx, &varyings[idx++],
+ sizeof(float) * 4, invocation_count);
- payload.framebuffer |= 2;
- }
- /* Normally, there should be no padding. However, fragment jobs are
- * shared with 64-bit Bifrost systems, and accordingly there is 4-bytes
- * of zero padding in between. */
+ if (vs->writes_point_size || fs->reads_point_coord) {
+ /* fp16 vec1 gl_PointSize */
+ ctx->payload_tiler.primitive_size.pointer =
+ panfrost_emit_varyings(ctx, &varyings[idx++],
+ 2, invocation_count);
+ }
+
+ if (fs->reads_point_coord) {
+ /* Special descriptor */
+ panfrost_emit_point_coord(&varyings[idx++]);
+ }
- struct panfrost_transfer transfer = panfrost_allocate_transient(ctx, sizeof(header) + sizeof(payload));
- memcpy(transfer.cpu, &header, sizeof(header));
- memcpy(transfer.cpu + sizeof(header), &payload, sizeof(payload));
- return transfer.gpu;
+ mali_ptr varyings_p = panfrost_upload_transient(ctx, &varyings, idx * sizeof(union mali_attr));
+ ctx->payload_vertex.postfix.varyings = varyings_p;
+ ctx->payload_tiler.postfix.varyings = varyings_p;
}
/* Emits attributes and varying descriptors, which should be called every draw,
{
/* TODO: Only update the dirtied buffers */
union mali_attr attrs[PIPE_MAX_ATTRIBS];
- union mali_attr varyings[PIPE_MAX_ATTRIBS];
unsigned invocation_count = MALI_NEGATIVE(ctx->payload_tiler.prefix.invocation_count);
}
}
- struct panfrost_varyings *vars = &ctx->vs->variants[ctx->vs->active_variant].varyings;
-
- for (int i = 0; i < vars->varying_buffer_count; ++i) {
- mali_ptr varying_address = ctx->varying_mem.gpu + ctx->varying_height;
-
- varyings[i].elements = varying_address | 1;
- varyings[i].stride = vars->varyings_stride[i];
- varyings[i].size = vars->varyings_stride[i] * invocation_count;
-
- /* If this varying has to be linked somewhere, do it now. See
- * pan_assemble.c for the indices. TODO: Use a more generic
- * linking interface */
-
- if (i == 1) {
- /* gl_Position */
- ctx->payload_tiler.postfix.position_varying = varying_address;
- } else if (i == 2) {
- /* gl_PointSize */
- ctx->payload_tiler.primitive_size.pointer = varying_address;
- }
-
- /* Varyings appear to need 64-byte alignment */
- ctx->varying_height += ALIGN(varyings[i].size, 64);
-
- /* Ensure that we fit */
- assert(ctx->varying_height < ctx->varying_mem.size);
- }
-
ctx->payload_vertex.postfix.attributes = panfrost_upload_transient(ctx, attrs, ctx->vertex_buffer_count * sizeof(union mali_attr));
- mali_ptr varyings_p = panfrost_upload_transient(ctx, &varyings, vars->varying_buffer_count * sizeof(union mali_attr));
- ctx->payload_vertex.postfix.varyings = varyings_p;
- ctx->payload_tiler.postfix.varyings = varyings_p;
+ panfrost_emit_varying_descriptor(ctx, invocation_count);
}
/* Go through dirty flags and actualise them in the cmdstream. */
void
panfrost_emit_for_draw(struct panfrost_context *ctx, bool with_vertex_data)
{
+ struct panfrost_job *job = panfrost_get_job_for_fbo(ctx);
+
if (with_vertex_data) {
panfrost_emit_vertex_data(ctx);
}
+ bool msaa = ctx->rasterizer->base.multisample;
+
if (ctx->dirty & PAN_DIRTY_RASTERIZER) {
ctx->payload_tiler.gl_enables = ctx->rasterizer->tiler_gl_enables;
- panfrost_set_framebuffer_msaa(ctx, ctx->rasterizer->base.multisample);
+
+ /* TODO: Sample size */
+ SET_BIT(ctx->fragment_shader_core.unknown2_3, MALI_HAS_MSAA, msaa);
+ SET_BIT(ctx->fragment_shader_core.unknown2_4, MALI_NO_MSAA, !msaa);
}
+ /* Enable job requirements at draw-time */
+
+ if (msaa)
+ job->requirements |= PAN_REQ_MSAA;
+
+ if (ctx->depth_stencil->depth.writemask)
+ job->requirements |= PAN_REQ_DEPTH_WRITE;
+
if (ctx->occlusion_query) {
ctx->payload_tiler.gl_enables |= MALI_OCCLUSION_QUERY | MALI_OCCLUSION_PRECISE;
ctx->payload_tiler.postfix.occlusion_counter = ctx->occlusion_query->transfer.gpu;
struct panfrost_shader_state *vs = &ctx->vs->variants[ctx->vs->active_variant];
/* Late shader descriptor assignments */
+
vs->tripipe->texture_count = ctx->sampler_view_count[PIPE_SHADER_VERTEX];
vs->tripipe->sampler_count = ctx->sampler_count[PIPE_SHADER_VERTEX];
vs->tripipe->midgard1.unknown1 = 0x2201;
ctx->payload_vertex.postfix._shader_upper = vs->tripipe_gpu >> 4;
-
- /* Varying descriptor is tied to the vertex shader. Also the
- * fragment shader, I suppose, but it's generated with the
- * vertex shader so */
-
- struct panfrost_varyings *varyings = &ctx->vs->variants[ctx->vs->active_variant].varyings;
-
- ctx->payload_vertex.postfix.varying_meta = varyings->varyings_descriptor;
- ctx->payload_tiler.postfix.varying_meta = varyings->varyings_descriptor_fragment;
}
if (ctx->dirty & (PAN_DIRTY_RASTERIZER | PAN_DIRTY_VS)) {
/* Generate the viewport vector of the form: <width/2, height/2, centerx, centery> */
const struct pipe_viewport_state *vp = &ctx->pipe_viewport;
+ /* For flipped-Y buffers (signaled by negative scale), the translate is
+ * flipped as well */
+
+ bool invert_y = vp->scale[1] < 0.0;
+ float translate_y = vp->translate[1];
+
+ if (invert_y)
+ translate_y = ctx->pipe_framebuffer.height - translate_y;
+
float viewport_vec4[] = {
vp->scale[0],
fabsf(vp->scale[1]),
vp->translate[0],
- /* -1.0 * vp->translate[1] */ fabs(1.0 * vp->scale[1]) /* XXX */
+ translate_y
};
for (int i = 0; i < PIPE_SHADER_TYPES; ++i) {
}
}
+ /* TODO: Upload the viewport somewhere more appropriate */
+
+ /* Clip bounds are encoded as floats. The viewport itself is encoded as
+ * (somewhat) asymmetric ints. */
+ const struct pipe_scissor_state *ss = &ctx->scissor;
+
+ struct mali_viewport view = {
+ /* By default, do no viewport clipping, i.e. clip to (-inf,
+ * inf) in each direction. Clipping to the viewport in theory
+ * should work, but in practice causes issues when we're not
+ * explicitly trying to scissor */
+
+ .clip_minx = -inff,
+ .clip_miny = -inff,
+ .clip_maxx = inff,
+ .clip_maxy = inff,
+
+ .clip_minz = 0.0,
+ .clip_maxz = 1.0,
+ };
+
+ /* Always scissor to the viewport by default. */
+ view.viewport0[0] = (int) (vp->translate[0] - vp->scale[0]);
+ view.viewport1[0] = MALI_POSITIVE((int) (vp->translate[0] + vp->scale[0]));
+
+ view.viewport0[1] = (int) (translate_y - fabs(vp->scale[1]));
+ view.viewport1[1] = MALI_POSITIVE((int) (translate_y + fabs(vp->scale[1])));
+
+ if (ss && ctx->rasterizer && ctx->rasterizer->base.scissor) {
+ /* Invert scissor if needed */
+ unsigned miny = invert_y ?
+ ctx->pipe_framebuffer.height - ss->maxy : ss->miny;
+
+ unsigned maxy = invert_y ?
+ ctx->pipe_framebuffer.height - ss->miny : ss->maxy;
+
+ /* Set the actual scissor */
+ view.viewport0[0] = ss->minx;
+ view.viewport0[1] = miny;
+ view.viewport1[0] = MALI_POSITIVE(ss->maxx);
+ view.viewport1[1] = MALI_POSITIVE(maxy);
+ }
+
+ ctx->payload_tiler.postfix.viewport =
+ panfrost_upload_transient(ctx,
+ &view,
+ sizeof(struct mali_viewport));
+
ctx->dirty = 0;
}
/* Fallback for unsupported modes */
- if (!(ctx->draw_modes & mode)) {
+ if (!(ctx->draw_modes & (1 << mode))) {
if (mode == PIPE_PRIM_QUADS && info->count == 4 && ctx->rasterizer && !ctx->rasterizer->base.flatshade) {
mode = PIPE_PRIM_TRIANGLE_FAN;
} else {
free(hwcso);
}
-static void
-panfrost_set_scissor(struct panfrost_context *ctx)
-{
- const struct pipe_scissor_state *ss = &ctx->scissor;
-
- if (ss && ctx->rasterizer && ctx->rasterizer->base.scissor && 0) {
- ctx->viewport->viewport0[0] = ss->minx;
- ctx->viewport->viewport0[1] = ss->miny;
- ctx->viewport->viewport1[0] = MALI_POSITIVE(ss->maxx);
- ctx->viewport->viewport1[1] = MALI_POSITIVE(ss->maxy);
- } else {
- ctx->viewport->viewport0[0] = 0;
- ctx->viewport->viewport0[1] = 0;
- ctx->viewport->viewport1[0] = MALI_POSITIVE(ctx->pipe_framebuffer.width);
- ctx->viewport->viewport1[1] = MALI_POSITIVE(ctx->pipe_framebuffer.height);
- }
-}
-
static void *
panfrost_create_rasterizer_state(
struct pipe_context *pctx,
void *hwcso)
{
struct panfrost_context *ctx = pan_context(pctx);
- struct pipe_rasterizer_state *cso = hwcso;
/* TODO: Why can't rasterizer be NULL ever? Other drivers are fine.. */
if (!hwcso)
return;
- /* If scissor test has changed, we'll need to update that now */
- bool update_scissor = !ctx->rasterizer || ctx->rasterizer->base.scissor != cso->scissor;
-
ctx->rasterizer = hwcso;
-
- /* Actualise late changes */
- if (update_scissor)
- panfrost_set_scissor(ctx);
-
ctx->dirty |= PAN_DIRTY_RASTERIZER;
}
enum mali_format format = panfrost_find_format(desc);
+ bool is_depth = desc->format == PIPE_FORMAT_Z32_UNORM;
+
unsigned usage2_layout = 0x10;
switch (prsrc->bo->layout) {
case PAN_AFBC:
- usage2_layout |= 0xc;
+ usage2_layout |= 0x8 | 0x4;
break;
case PAN_TILED:
usage2_layout |= 0x1;
break;
case PAN_LINEAR:
- usage2_layout |= 0x2;
+ usage2_layout |= is_depth ? 0x1 : 0x2;
break;
default:
assert(0);
ctx->vt_framebuffer_mfbd = panfrost_emit_mfbd(ctx);
panfrost_attach_vt_framebuffer(ctx);
- panfrost_new_frag_framebuffer(ctx);
- panfrost_set_scissor(ctx);
struct panfrost_resource *tex = ((struct panfrost_resource *) ctx->pipe_framebuffer.cbufs[i]->texture);
bool is_scanout = panfrost_is_scanout(ctx);
ctx->vt_framebuffer_mfbd = panfrost_emit_mfbd(ctx);
panfrost_attach_vt_framebuffer(ctx);
- panfrost_new_frag_framebuffer(ctx);
- panfrost_set_scissor(ctx);
- struct panfrost_resource *tex = ((struct panfrost_resource *) ctx->pipe_framebuffer.zsbuf->texture);
-
- if (tex->bo->layout != PAN_AFBC && !panfrost_is_scanout(ctx))
- panfrost_enable_afbc(ctx, tex, true);
+ /* Keep the depth FBO linear */
}
}
}
assert(num_scissors == 1);
ctx->scissor = *scissors;
-
- panfrost_set_scissor(ctx);
}
static void
return true;
}
+static struct pipe_stream_output_target *
+panfrost_create_stream_output_target(struct pipe_context *pctx,
+ struct pipe_resource *prsc,
+ unsigned buffer_offset,
+ unsigned buffer_size)
+{
+ struct pipe_stream_output_target *target;
+
+ target = CALLOC_STRUCT(pipe_stream_output_target);
+
+ if (!target)
+ return NULL;
+
+ pipe_reference_init(&target->reference, 1);
+ pipe_resource_reference(&target->buffer, prsc);
+
+ target->context = pctx;
+ target->buffer_offset = buffer_offset;
+ target->buffer_size = buffer_size;
+
+ return target;
+}
+
+static void
+panfrost_stream_output_target_destroy(struct pipe_context *pctx,
+ struct pipe_stream_output_target *target)
+{
+ pipe_resource_reference(&target->buffer, NULL);
+ free(target);
+}
+
+static void
+panfrost_set_stream_output_targets(struct pipe_context *pctx,
+ unsigned num_targets,
+ struct pipe_stream_output_target **targets,
+ const unsigned *offsets)
+{
+ /* STUB */
+}
+
static void
panfrost_setup_hardware(struct panfrost_context *ctx)
{
unsigned gpu_id;
gpu_id = pscreen->driver->query_gpu_version(pscreen);
- ctx->is_t6xx = gpu_id <= 0x0750; /* For now, this flag means t76x or less */
- ctx->require_sfbd = gpu_id < 0x0750; /* t76x is the first to support MFD */
+
+ ctx->is_t6xx = gpu_id <= 0x0750; /* For now, this flag means T760 or less */
+ ctx->require_sfbd = gpu_id < 0x0750; /* T760 is the first to support MFBD */
gallium->screen = screen;
gallium->end_query = panfrost_end_query;
gallium->get_query_result = panfrost_get_query_result;
+ gallium->create_stream_output_target = panfrost_create_stream_output_target;
+ gallium->stream_output_target_destroy = panfrost_stream_output_target_destroy;
+ gallium->set_stream_output_targets = panfrost_set_stream_output_targets;
+
panfrost_resource_context_init(gallium);
pscreen->driver->init_context(ctx);
panfrost_emit_vertex_payload(ctx);
panfrost_emit_tiler_payload(ctx);
panfrost_invalidate_frame(ctx);
- panfrost_viewport(ctx, 0.0, 1.0, 0, 0, ctx->pipe_framebuffer.width, ctx->pipe_framebuffer.height);
panfrost_default_shader_backend(ctx);
panfrost_generate_space_filler_indices();
projects / mesa.git / blobdiff