freedreno/ir3: images can be arrays too
[mesa.git] / src / gallium / drivers / freedreno / a3xx / fd3_program.c
index ef8a849617ff26fb9fe1ef4495fca5a7eb61f58f..64eeb106e535ad8f95c97ade27a2dad7e170e7cd 100644 (file)
@@ -28,6 +28,7 @@
 
 #include "pipe/p_state.h"
 #include "util/u_string.h"
+#include "util/u_math.h"
 #include "util/u_memory.h"
 #include "util/u_inlines.h"
 #include "util/u_format.h"
 #include "fd3_texture.h"
 #include "fd3_format.h"
 
-static void
-delete_shader_stateobj(struct fd3_shader_stateobj *so)
-{
-       ir3_shader_destroy(so->shader);
-       free(so);
-}
-
-static struct fd3_shader_stateobj *
+static struct ir3_shader *
 create_shader_stateobj(struct pipe_context *pctx, const struct pipe_shader_state *cso,
                enum shader_t type)
 {
-       struct fd3_shader_stateobj *so = CALLOC_STRUCT(fd3_shader_stateobj);
-       so->shader = ir3_shader_create(pctx, cso, type);
-       return so;
+       struct fd_context *ctx = fd_context(pctx);
+       struct ir3_compiler *compiler = ctx->screen->compiler;
+       return ir3_shader_create(compiler, cso, type, &ctx->debug);
 }
 
 static void *
@@ -65,8 +59,8 @@ fd3_fp_state_create(struct pipe_context *pctx,
 static void
 fd3_fp_state_delete(struct pipe_context *pctx, void *hwcso)
 {
-       struct fd3_shader_stateobj *so = hwcso;
-       delete_shader_stateobj(so);
+       struct ir3_shader *so = hwcso;
+       ir3_shader_destroy(so);
 }
 
 static void *
@@ -79,10 +73,24 @@ fd3_vp_state_create(struct pipe_context *pctx,
 static void
 fd3_vp_state_delete(struct pipe_context *pctx, void *hwcso)
 {
-       struct fd3_shader_stateobj *so = hwcso;
-       delete_shader_stateobj(so);
+       struct ir3_shader *so = hwcso;
+       ir3_shader_destroy(so);
 }
 
+bool
+fd3_needs_manual_clipping(const struct ir3_shader *shader,
+                                                 const struct pipe_rasterizer_state *rast)
+{
+       uint64_t outputs = ir3_shader_outputs(shader);
+
+       return (!rast->depth_clip ||
+                       util_bitcount(rast->clip_plane_enable) > 6 ||
+                       outputs & ((1ULL << VARYING_SLOT_CLIP_VERTEX) |
+                                          (1ULL << VARYING_SLOT_CLIP_DIST0) |
+                                          (1ULL << VARYING_SLOT_CLIP_DIST1)));
+}
+
+
 static void
 emit_shader(struct fd_ringbuffer *ring, const struct ir3_shader_variant *so)
 {
@@ -134,19 +142,12 @@ fd3_program_emit(struct fd_ringbuffer *ring, struct fd3_emit *emit,
        uint32_t fpbuffersz, vpbuffersz, fsoff;
        uint32_t pos_regid, posz_regid, psize_regid, color_regid[4] = {0};
        int constmode;
-       int i, j, k;
+       int i, j;
 
        debug_assert(nr <= ARRAY_SIZE(color_regid));
 
        vp = fd3_emit_get_vp(emit);
-
-       if (emit->key.binning_pass) {
-               /* use dummy stateobj to simplify binning vs non-binning: */
-               static const struct ir3_shader_variant binning_fp = {};
-               fp = &binning_fp;
-       } else {
-               fp = fd3_emit_get_fp(emit);
-       }
+       fp = fd3_emit_get_fp(emit);
 
        vsi = &vp->info;
        fsi = &fp->info;
@@ -194,24 +195,17 @@ fd3_program_emit(struct fd_ringbuffer *ring, struct fd3_emit *emit,
        /* seems like vs->constlen + fs->constlen > 256, then CONSTMODE=1 */
        constmode = ((vp->constlen + fp->constlen) > 256) ? 1 : 0;
 
-       pos_regid = ir3_find_output_regid(vp,
-               ir3_semantic_name(TGSI_SEMANTIC_POSITION, 0));
-       posz_regid = ir3_find_output_regid(fp,
-               ir3_semantic_name(TGSI_SEMANTIC_POSITION, 0));
-       psize_regid = ir3_find_output_regid(vp,
-               ir3_semantic_name(TGSI_SEMANTIC_PSIZE, 0));
+       pos_regid = ir3_find_output_regid(vp, VARYING_SLOT_POS);
+       posz_regid = ir3_find_output_regid(fp, FRAG_RESULT_DEPTH);
+       psize_regid = ir3_find_output_regid(vp, VARYING_SLOT_PSIZ);
        if (fp->color0_mrt) {
                color_regid[0] = color_regid[1] = color_regid[2] = color_regid[3] =
-                       ir3_find_output_regid(fp, ir3_semantic_name(TGSI_SEMANTIC_COLOR, 0));
+                       ir3_find_output_regid(fp, FRAG_RESULT_COLOR);
        } else {
-               for (i = 0; i < fp->outputs_count; i++) {
-                       ir3_semantic sem = fp->outputs[i].semantic;
-                       unsigned idx = sem2idx(sem);
-                       if (sem2name(sem) != TGSI_SEMANTIC_COLOR)
-                               continue;
-                       debug_assert(idx < ARRAY_SIZE(color_regid));
-                       color_regid[idx] = fp->outputs[i].regid;
-               }
+               color_regid[0] = ir3_find_output_regid(fp, FRAG_RESULT_DATA0);
+               color_regid[1] = ir3_find_output_regid(fp, FRAG_RESULT_DATA1);
+               color_regid[2] = ir3_find_output_regid(fp, FRAG_RESULT_DATA2);
+               color_regid[3] = ir3_find_output_regid(fp, FRAG_RESULT_DATA3);
        }
 
        /* adjust regids for alpha output formats. there is no alpha render
@@ -236,7 +230,8 @@ fd3_program_emit(struct fd_ringbuffer *ring, struct fd3_emit *emit,
                        A3XX_HLSQ_CONTROL_0_REG_SPCONSTFULLUPDATE);
        OUT_RING(ring, A3XX_HLSQ_CONTROL_1_REG_VSTHREADSIZE(TWO_QUADS) |
                        A3XX_HLSQ_CONTROL_1_REG_VSSUPERTHREADENABLE |
-                       COND(fp->frag_coord, A3XX_HLSQ_CONTROL_1_REG_ZWCOORD));
+                       COND(fp->frag_coord, A3XX_HLSQ_CONTROL_1_REG_FRAGCOORDXYREGID(regid(0,0)) |
+                                       A3XX_HLSQ_CONTROL_1_REG_FRAGCOORDZWREGID(regid(0,2))));
        OUT_RING(ring, A3XX_HLSQ_CONTROL_2_REG_PRIMALLOCTHRESHOLD(31));
        OUT_RING(ring, A3XX_HLSQ_CONTROL_3_REG_REGID(fp->pos_regid));
        OUT_RING(ring, A3XX_HLSQ_VS_CONTROL_REG_CONSTLENGTH(vp->constlen) |
@@ -261,57 +256,44 @@ fd3_program_emit(struct fd_ringbuffer *ring, struct fd3_emit *emit,
                        COND(vpbuffer == CACHE, A3XX_SP_VS_CTRL_REG0_CACHEINVALID) |
                        A3XX_SP_VS_CTRL_REG0_HALFREGFOOTPRINT(vsi->max_half_reg + 1) |
                        A3XX_SP_VS_CTRL_REG0_FULLREGFOOTPRINT(vsi->max_reg + 1) |
-                       A3XX_SP_VS_CTRL_REG0_INOUTREGOVERLAP(0) |
                        A3XX_SP_VS_CTRL_REG0_THREADSIZE(TWO_QUADS) |
                        A3XX_SP_VS_CTRL_REG0_SUPERTHREADMODE |
-                       COND(vp->has_samp, A3XX_SP_VS_CTRL_REG0_PIXLODENABLE) |
                        A3XX_SP_VS_CTRL_REG0_LENGTH(vpbuffersz));
        OUT_RING(ring, A3XX_SP_VS_CTRL_REG1_CONSTLENGTH(vp->constlen) |
                        A3XX_SP_VS_CTRL_REG1_INITIALOUTSTANDING(vp->total_in) |
                        A3XX_SP_VS_CTRL_REG1_CONSTFOOTPRINT(MAX2(vp->constlen + 1, 0)));
        OUT_RING(ring, A3XX_SP_VS_PARAM_REG_POSREGID(pos_regid) |
                        A3XX_SP_VS_PARAM_REG_PSIZEREGID(psize_regid) |
-                       A3XX_SP_VS_PARAM_REG_TOTALVSOUTVAR(align(fp->total_in, 4) / 4));
+                       A3XX_SP_VS_PARAM_REG_TOTALVSOUTVAR(fp->varying_in));
 
-       for (i = 0, j = -1; (i < 8) && (j < (int)fp->inputs_count); i++) {
+       struct ir3_shader_linkage l = {0};
+       ir3_link_shaders(&l, vp, fp);
+
+       for (i = 0, j = 0; (i < 16) && (j < l.cnt); i++) {
                uint32_t reg = 0;
 
                OUT_PKT0(ring, REG_A3XX_SP_VS_OUT_REG(i), 1);
 
-               j = ir3_next_varying(fp, j);
-               if (j < fp->inputs_count) {
-                       k = ir3_find_output(vp, fp->inputs[j].semantic);
-                       reg |= A3XX_SP_VS_OUT_REG_A_REGID(vp->outputs[k].regid);
-                       reg |= A3XX_SP_VS_OUT_REG_A_COMPMASK(fp->inputs[j].compmask);
-               }
+               reg |= A3XX_SP_VS_OUT_REG_A_REGID(l.var[j].regid);
+               reg |= A3XX_SP_VS_OUT_REG_A_COMPMASK(l.var[j].compmask);
+               j++;
 
-               j = ir3_next_varying(fp, j);
-               if (j < fp->inputs_count) {
-                       k = ir3_find_output(vp, fp->inputs[j].semantic);
-                       reg |= A3XX_SP_VS_OUT_REG_B_REGID(vp->outputs[k].regid);
-                       reg |= A3XX_SP_VS_OUT_REG_B_COMPMASK(fp->inputs[j].compmask);
-               }
+               reg |= A3XX_SP_VS_OUT_REG_B_REGID(l.var[j].regid);
+               reg |= A3XX_SP_VS_OUT_REG_B_COMPMASK(l.var[j].compmask);
+               j++;
 
                OUT_RING(ring, reg);
        }
 
-       for (i = 0, j = -1; (i < 4) && (j < (int)fp->inputs_count); i++) {
+       for (i = 0, j = 0; (i < 8) && (j < l.cnt); i++) {
                uint32_t reg = 0;
 
                OUT_PKT0(ring, REG_A3XX_SP_VS_VPC_DST_REG(i), 1);
 
-               j = ir3_next_varying(fp, j);
-               if (j < fp->inputs_count)
-                       reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC0(fp->inputs[j].inloc);
-               j = ir3_next_varying(fp, j);
-               if (j < fp->inputs_count)
-                       reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC1(fp->inputs[j].inloc);
-               j = ir3_next_varying(fp, j);
-               if (j < fp->inputs_count)
-                       reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC2(fp->inputs[j].inloc);
-               j = ir3_next_varying(fp, j);
-               if (j < fp->inputs_count)
-                       reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC3(fp->inputs[j].inloc);
+               reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC0(l.var[j++].loc + 8);
+               reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC1(l.var[j++].loc + 8);
+               reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC2(l.var[j++].loc + 8);
+               reg |= A3XX_SP_VS_VPC_DST_REG_OUTLOC3(l.var[j++].loc + 8);
 
                OUT_RING(ring, reg);
        }
@@ -343,7 +325,7 @@ fd3_program_emit(struct fd_ringbuffer *ring, struct fd3_emit *emit,
                                COND(fpbuffer == CACHE, A3XX_SP_FS_CTRL_REG0_CACHEINVALID) |
                                A3XX_SP_FS_CTRL_REG0_HALFREGFOOTPRINT(fsi->max_half_reg + 1) |
                                A3XX_SP_FS_CTRL_REG0_FULLREGFOOTPRINT(fsi->max_reg + 1) |
-                               A3XX_SP_FS_CTRL_REG0_INOUTREGOVERLAP(1) |
+                               A3XX_SP_FS_CTRL_REG0_INOUTREGOVERLAP |
                                A3XX_SP_FS_CTRL_REG0_THREADSIZE(FOUR_QUADS) |
                                A3XX_SP_FS_CTRL_REG0_SUPERTHREADMODE |
                                COND(fp->has_samp > 0, A3XX_SP_FS_CTRL_REG0_PIXLODENABLE) |
@@ -394,34 +376,62 @@ fd3_program_emit(struct fd_ringbuffer *ring, struct fd3_emit *emit,
 
                /* figure out VARYING_INTERP / FLAT_SHAD register values: */
                for (j = -1; (j = ir3_next_varying(fp, j)) < (int)fp->inputs_count; ) {
-
-                       /* TODO might be cleaner to just +8 in SP_VS_VPC_DST_REG
-                        * instead.. rather than -8 everywhere else..
+                       /* NOTE: varyings are packed, so if compmask is 0xb
+                        * then first, third, and fourth component occupy
+                        * three consecutive varying slots:
                         */
-                       uint32_t inloc = fp->inputs[j].inloc - 8;
+                       unsigned compmask = fp->inputs[j].compmask;
 
-                       /* currently assuming varyings aligned to 4 (not
-                        * packed):
-                        */
-                       debug_assert((inloc % 4) == 0);
+                       uint32_t inloc = fp->inputs[j].inloc;
 
-                       if ((fp->inputs[j].interpolate == INTERP_QUALIFIER_FLAT) ||
+                       if ((fp->inputs[j].interpolate == INTERP_MODE_FLAT) ||
                                        (fp->inputs[j].rasterflat && emit->rasterflat)) {
                                uint32_t loc = inloc;
-                               for (i = 0; i < 4; i++, loc++) {
-                                       vinterp[loc / 16] |= FLAT << ((loc % 16) * 2);
-                                       flatshade[loc / 32] |= 1 << (loc % 32);
+
+                               for (i = 0; i < 4; i++) {
+                                       if (compmask & (1 << i)) {
+                                               vinterp[loc / 16] |= FLAT << ((loc % 16) * 2);
+                                               flatshade[loc / 32] |= 1 << (loc % 32);
+                                               loc++;
+                                       }
                                }
                        }
 
-                       /* Replace the .xy coordinates with S/T from the point sprite. Set
-                        * interpolation bits for .zw such that they become .01
-                        */
-                       if (emit->sprite_coord_enable & (1 << sem2idx(fp->inputs[j].semantic))) {
-                               vpsrepl[inloc / 16] |= (emit->sprite_coord_mode ? 0x0d : 0x09)
-                                       << ((inloc % 16) * 2);
-                               vinterp[(inloc + 2) / 16] |= 2 << (((inloc + 2) % 16) * 2);
-                               vinterp[(inloc + 3) / 16] |= 3 << (((inloc + 3) % 16) * 2);
+                       gl_varying_slot slot = fp->inputs[j].slot;
+
+                       /* since we don't enable PIPE_CAP_TGSI_TEXCOORD: */
+                       if (slot >= VARYING_SLOT_VAR0) {
+                               unsigned texmask = 1 << (slot - VARYING_SLOT_VAR0);
+                               /* Replace the .xy coordinates with S/T from the point sprite. Set
+                                * interpolation bits for .zw such that they become .01
+                                */
+                               if (emit->sprite_coord_enable & texmask) {
+                                       /* mask is two 2-bit fields, where:
+                                        *   '01' -> S
+                                        *   '10' -> T
+                                        *   '11' -> 1 - T  (flip mode)
+                                        */
+                                       unsigned mask = emit->sprite_coord_mode ? 0b1101 : 0b1001;
+                                       uint32_t loc = inloc;
+                                       if (compmask & 0x1) {
+                                               vpsrepl[loc / 16] |= ((mask >> 0) & 0x3) << ((loc % 16) * 2);
+                                               loc++;
+                                       }
+                                       if (compmask & 0x2) {
+                                               vpsrepl[loc / 16] |= ((mask >> 2) & 0x3) << ((loc % 16) * 2);
+                                               loc++;
+                                       }
+                                       if (compmask & 0x4) {
+                                               /* .z <- 0.0f */
+                                               vinterp[loc / 16] |= 0b10 << ((loc % 16) * 2);
+                                               loc++;
+                                       }
+                                       if (compmask & 0x8) {
+                                               /* .w <- 1.0f */
+                                               vinterp[loc / 16] |= 0b11 << ((loc % 16) * 2);
+                                               loc++;
+                                       }
+                               }
                        }
                }