Mesa (master): radeonsi: move and rename scissor and viewport state and functions

Nicolai Hähnle nh at kemper.freedesktop.org
Mon Oct 2 13:07:59 UTC 2017


Module: Mesa
Branch: master
Commit: 6b416ec3d665fb1e10fafad44fbd8f9cec661a68
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=6b416ec3d665fb1e10fafad44fbd8f9cec661a68

Author: Nicolai Hähnle <nicolai.haehnle at amd.com>
Date:   Tue Sep 26 17:56:15 2017 +0200

radeonsi: move and rename scissor and viewport state and functions

v2: change GET_MAX_SCISSOR to SI_MAX_SCISSOR

Reviewed-by: Marek Olšák <marek.olsak at amd.com>

---

 src/gallium/drivers/radeon/r600_pipe_common.c    |   1 -
 src/gallium/drivers/radeon/r600_pipe_common.h    |  35 ---
 src/gallium/drivers/radeonsi/si_blit.c           |   4 +-
 src/gallium/drivers/radeonsi/si_hw_context.c     |  10 +-
 src/gallium/drivers/radeonsi/si_pipe.c           |   3 +-
 src/gallium/drivers/radeonsi/si_pipe.h           |  37 ++++
 src/gallium/drivers/radeonsi/si_state.c          |   6 +-
 src/gallium/drivers/radeonsi/si_state_draw.c     |   6 +-
 src/gallium/drivers/radeonsi/si_state_shaders.c  |   6 +-
 src/gallium/drivers/radeonsi/si_state_viewport.c | 258 +++++++++++------------
 10 files changed, 184 insertions(+), 182 deletions(-)

diff --git a/src/gallium/drivers/radeon/r600_pipe_common.c b/src/gallium/drivers/radeon/r600_pipe_common.c
index 949d313bb5..d50982b863 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.c
+++ b/src/gallium/drivers/radeon/r600_pipe_common.c
@@ -738,7 +738,6 @@ bool si_common_context_init(struct r600_common_context *rctx,
 	rctx->b.set_device_reset_callback = r600_set_device_reset_callback;
 
 	si_init_context_texture_functions(rctx);
-	si_init_viewport_functions(rctx);
 	si_streamout_init(rctx);
 	si_init_query_functions(rctx);
 	si_init_msaa(&rctx->b);
diff --git a/src/gallium/drivers/radeon/r600_pipe_common.h b/src/gallium/drivers/radeon/r600_pipe_common.h
index 4508a76876..1558943bfe 100644
--- a/src/gallium/drivers/radeon/r600_pipe_common.h
+++ b/src/gallium/drivers/radeon/r600_pipe_common.h
@@ -120,7 +120,6 @@ struct u_log_context;
 #define DBG_NO_DFSM		(1ull << 55)
 
 #define R600_MAP_BUFFER_ALIGNMENT 64
-#define R600_MAX_VIEWPORTS        16
 
 #define SI_MAX_VARIABLE_THREADS_PER_BLOCK 1024
 
@@ -523,27 +522,6 @@ struct r600_streamout {
 	int				num_prims_gen_queries;
 };
 
-struct r600_signed_scissor {
-	int minx;
-	int miny;
-	int maxx;
-	int maxy;
-};
-
-struct r600_scissors {
-	struct r600_atom		atom;
-	unsigned			dirty_mask;
-	struct pipe_scissor_state	states[R600_MAX_VIEWPORTS];
-};
-
-struct r600_viewports {
-	struct r600_atom		atom;
-	unsigned			dirty_mask;
-	unsigned			depth_range_dirty_mask;
-	struct pipe_viewport_state	states[R600_MAX_VIEWPORTS];
-	struct r600_signed_scissor	as_scissor[R600_MAX_VIEWPORTS];
-};
-
 struct r600_ring {
 	struct radeon_winsys_cs		*cs;
 	void (*flush)(void *ctx, unsigned flags,
@@ -590,12 +568,6 @@ struct r600_common_context {
 
 	/* States. */
 	struct r600_streamout		streamout;
-	struct r600_scissors		scissors;
-	struct r600_viewports		viewports;
-	bool				scissor_enabled;
-	bool				clip_halfz;
-	bool				vs_writes_viewport_index;
-	bool				vs_disables_clipping_viewport;
 
 	/* Additional context states. */
 	unsigned flags; /* flush flags */
@@ -879,13 +851,6 @@ bool si_texture_disable_dcc(struct r600_common_context *rctx,
 void si_init_screen_texture_functions(struct r600_common_screen *rscreen);
 void si_init_context_texture_functions(struct r600_common_context *rctx);
 
-/* r600_viewport.c */
-void si_viewport_set_rast_deps(struct r600_common_context *rctx,
-			       bool scissor_enable, bool clip_halfz);
-void si_update_vs_writes_viewport_index(struct r600_common_context *rctx,
-					struct tgsi_shader_info *info);
-void si_init_viewport_functions(struct r600_common_context *rctx);
-
 /* cayman_msaa.c */
 void si_get_sample_position(struct pipe_context *ctx, unsigned sample_count,
 			    unsigned sample_index, float *out_value);
diff --git a/src/gallium/drivers/radeonsi/si_blit.c b/src/gallium/drivers/radeonsi/si_blit.c
index f5ae072f4f..b8ff67d5ab 100644
--- a/src/gallium/drivers/radeonsi/si_blit.c
+++ b/src/gallium/drivers/radeonsi/si_blit.c
@@ -70,8 +70,8 @@ static void si_blitter_begin(struct pipe_context *ctx, enum si_blitter_op op)
 		util_blitter_save_stencil_ref(sctx->blitter, &sctx->stencil_ref.state);
 		util_blitter_save_fragment_shader(sctx->blitter, sctx->ps_shader.cso);
 		util_blitter_save_sample_mask(sctx->blitter, sctx->sample_mask.sample_mask);
-		util_blitter_save_viewport(sctx->blitter, &sctx->b.viewports.states[0]);
-		util_blitter_save_scissor(sctx->blitter, &sctx->b.scissors.states[0]);
+		util_blitter_save_viewport(sctx->blitter, &sctx->viewports.states[0]);
+		util_blitter_save_scissor(sctx->blitter, &sctx->scissors.states[0]);
 	}
 
 	if (op & SI_SAVE_FRAMEBUFFER)
diff --git a/src/gallium/drivers/radeonsi/si_hw_context.c b/src/gallium/drivers/radeonsi/si_hw_context.c
index dafb3bfa5f..ef03a6d2c6 100644
--- a/src/gallium/drivers/radeonsi/si_hw_context.c
+++ b/src/gallium/drivers/radeonsi/si_hw_context.c
@@ -248,11 +248,11 @@ void si_begin_new_cs(struct si_context *ctx)
 	si_all_descriptors_begin_new_cs(ctx);
 	si_all_resident_buffers_begin_new_cs(ctx);
 
-	ctx->b.scissors.dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
-	ctx->b.viewports.dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
-	ctx->b.viewports.depth_range_dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
-	si_mark_atom_dirty(ctx, &ctx->b.scissors.atom);
-	si_mark_atom_dirty(ctx, &ctx->b.viewports.atom);
+	ctx->scissors.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
+	ctx->viewports.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
+	ctx->viewports.depth_range_dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
+	si_mark_atom_dirty(ctx, &ctx->scissors.atom);
+	si_mark_atom_dirty(ctx, &ctx->viewports.atom);
 
 	si_mark_atom_dirty(ctx, &ctx->scratch_state);
 	if (ctx->scratch_buffer) {
diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index 954f9ff063..33f5adbd3a 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -230,6 +230,7 @@ static struct pipe_context *si_create_context(struct pipe_screen *screen,
 	si_init_all_descriptors(sctx);
 	si_init_state_functions(sctx);
 	si_init_shader_functions(sctx);
+	si_init_viewport_functions(sctx);
 	si_init_ia_multi_vgt_param_table(sctx);
 
 	if (sctx->b.chip_class >= CIK)
@@ -620,7 +621,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 
 	/* Viewports and render targets. */
 	case PIPE_CAP_MAX_VIEWPORTS:
-		return R600_MAX_VIEWPORTS;
+		return SI_MAX_VIEWPORTS;
 	case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
 	case PIPE_CAP_MAX_RENDER_TARGETS:
 		return 8;
diff --git a/src/gallium/drivers/radeonsi/si_pipe.h b/src/gallium/drivers/radeonsi/si_pipe.h
index 08d47ea414..b3d5b18645 100644
--- a/src/gallium/drivers/radeonsi/si_pipe.h
+++ b/src/gallium/drivers/radeonsi/si_pipe.h
@@ -81,6 +81,7 @@
 #define SI_PREFETCH_PS			(1 << 6)
 
 #define SI_MAX_BORDER_COLORS	4096
+#define SI_MAX_VIEWPORTS        16
 #define SIX_BITS		0x3F
 
 struct si_compute;
@@ -212,6 +213,27 @@ struct si_framebuffer {
 	bool				DB_has_shader_readable_metadata;
 };
 
+struct si_signed_scissor {
+	int minx;
+	int miny;
+	int maxx;
+	int maxy;
+};
+
+struct si_scissors {
+	struct r600_atom		atom;
+	unsigned			dirty_mask;
+	struct pipe_scissor_state	states[SI_MAX_VIEWPORTS];
+};
+
+struct si_viewports {
+	struct r600_atom		atom;
+	unsigned			dirty_mask;
+	unsigned			depth_range_dirty_mask;
+	struct pipe_viewport_state	states[SI_MAX_VIEWPORTS];
+	struct si_signed_scissor	as_scissor[SI_MAX_VIEWPORTS];
+};
+
 struct si_clip_state {
 	struct r600_atom		atom;
 	struct pipe_clip_state		state;
@@ -326,6 +348,8 @@ struct si_context {
 	struct si_shader_data		shader_pointers;
 	struct si_stencil_ref		stencil_ref;
 	struct r600_atom		spi_map;
+	struct si_scissors		scissors;
+	struct si_viewports		viewports;
 
 	/* Precomputed states. */
 	struct si_pm4_state		*init_config;
@@ -437,6 +461,11 @@ struct si_context {
 	bool need_check_render_feedback;
 	bool			decompression_enabled;
 
+	bool			scissor_enabled;
+	bool			clip_halfz;
+	bool			vs_writes_viewport_index;
+	bool			vs_disables_clipping_viewport;
+
 	/* Precomputed IA_MULTI_VGT_PARAM */
 	union si_vgt_param_key  ia_multi_vgt_param_key;
 	unsigned		ia_multi_vgt_param[SI_NUM_VGT_PARAM_STATES];
@@ -536,6 +565,14 @@ struct pipe_video_codec *si_uvd_create_decoder(struct pipe_context *context,
 struct pipe_video_buffer *si_video_buffer_create(struct pipe_context *pipe,
 						 const struct pipe_video_buffer *tmpl);
 
+/* si_viewport.c */
+void si_viewport_set_rast_deps(struct si_context *rctx,
+			       bool scissor_enable, bool clip_halfz);
+void si_update_vs_writes_viewport_index(struct si_context *ctx,
+					struct tgsi_shader_info *info);
+void si_init_viewport_functions(struct si_context *ctx);
+
+
 /*
  * common helpers
  */
diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 3fbacec566..2dbe7c6e27 100644
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -1003,7 +1003,7 @@ static void si_bind_rs_state(struct pipe_context *ctx, void *state)
 	sctx->current_vs_state &= C_VS_STATE_CLAMP_VERTEX_COLOR;
 	sctx->current_vs_state |= S_VS_STATE_CLAMP_VERTEX_COLOR(rs->clamp_vertex_color);
 
-	si_viewport_set_rast_deps(&sctx->b, rs->scissor_enable, rs->clip_halfz);
+	si_viewport_set_rast_deps(sctx, rs->scissor_enable, rs->clip_halfz);
 
 	si_pm4_bind_state(sctx, rasterizer, rs);
 	si_update_poly_offset_state(sctx);
@@ -4402,8 +4402,8 @@ void si_init_state_functions(struct si_context *sctx)
 	si_init_external_atom(sctx, &sctx->b.render_cond_atom, &sctx->atoms.s.render_cond);
 	si_init_external_atom(sctx, &sctx->b.streamout.begin_atom, &sctx->atoms.s.streamout_begin);
 	si_init_external_atom(sctx, &sctx->b.streamout.enable_atom, &sctx->atoms.s.streamout_enable);
-	si_init_external_atom(sctx, &sctx->b.scissors.atom, &sctx->atoms.s.scissors);
-	si_init_external_atom(sctx, &sctx->b.viewports.atom, &sctx->atoms.s.viewports);
+	si_init_external_atom(sctx, &sctx->scissors.atom, &sctx->atoms.s.scissors);
+	si_init_external_atom(sctx, &sctx->viewports.atom, &sctx->atoms.s.viewports);
 
 	si_init_atom(sctx, &sctx->framebuffer.atom, &sctx->atoms.s.framebuffer, si_emit_framebuffer_state);
 	si_init_atom(sctx, &sctx->msaa_sample_locs.atom, &sctx->atoms.s.msaa_sample_locs, si_emit_msaa_sample_locs);
diff --git a/src/gallium/drivers/radeonsi/si_state_draw.c b/src/gallium/drivers/radeonsi/si_state_draw.c
index 42807c0309..9a6c9c8f84 100644
--- a/src/gallium/drivers/radeonsi/si_state_draw.c
+++ b/src/gallium/drivers/radeonsi/si_state_draw.c
@@ -1261,8 +1261,8 @@ void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
 		bool old_is_poly = sctx->b.current_rast_prim >= PIPE_PRIM_TRIANGLES;
 		bool new_is_poly = rast_prim >= PIPE_PRIM_TRIANGLES;
 		if (old_is_poly != new_is_poly) {
-			sctx->b.scissors.dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
-			si_set_atom_dirty(sctx, &sctx->b.scissors.atom, true);
+			sctx->scissors.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
+			si_mark_atom_dirty(sctx, &sctx->scissors.atom);
 		}
 
 		sctx->b.current_rast_prim = rast_prim;
@@ -1398,7 +1398,7 @@ void si_draw_vbo(struct pipe_context *ctx, const struct pipe_draw_info *info)
 	 * involved alternative workaround.
 	 */
 	if (sctx->b.chip_class == GFX9 &&
-	    si_is_atom_dirty(sctx, &sctx->b.scissors.atom)) {
+	    si_is_atom_dirty(sctx, &sctx->scissors.atom)) {
 		sctx->b.flags |= SI_CONTEXT_PS_PARTIAL_FLUSH;
 		si_emit_cache_flush(sctx);
 	}
diff --git a/src/gallium/drivers/radeonsi/si_state_shaders.c b/src/gallium/drivers/radeonsi/si_state_shaders.c
index 1146e5e394..42814d9fd5 100644
--- a/src/gallium/drivers/radeonsi/si_state_shaders.c
+++ b/src/gallium/drivers/radeonsi/si_state_shaders.c
@@ -2301,7 +2301,7 @@ static void si_bind_vs_shader(struct pipe_context *ctx, void *state)
 	sctx->vs_shader.current = sel ? sel->first_variant : NULL;
 
 	si_update_common_shader_state(sctx);
-	si_update_vs_writes_viewport_index(&sctx->b, si_get_vs_info(sctx));
+	si_update_vs_writes_viewport_index(sctx, si_get_vs_info(sctx));
 	si_set_active_descriptors_for_shader(sctx, sel);
 	si_update_streamout_state(sctx);
 	si_update_clip_regs(sctx, old_hw_vs, old_hw_vs_variant,
@@ -2344,7 +2344,7 @@ static void si_bind_gs_shader(struct pipe_context *ctx, void *state)
 		if (sctx->ia_multi_vgt_param_key.u.uses_tess)
 			si_update_tess_uses_prim_id(sctx);
 	}
-	si_update_vs_writes_viewport_index(&sctx->b, si_get_vs_info(sctx));
+	si_update_vs_writes_viewport_index(sctx, si_get_vs_info(sctx));
 	si_set_active_descriptors_for_shader(sctx, sel);
 	si_update_streamout_state(sctx);
 	si_update_clip_regs(sctx, old_hw_vs, old_hw_vs_variant,
@@ -2395,7 +2395,7 @@ static void si_bind_tes_shader(struct pipe_context *ctx, void *state)
 		si_shader_change_notify(sctx);
 		sctx->last_tes_sh_base = -1; /* invalidate derived tess state */
 	}
-	si_update_vs_writes_viewport_index(&sctx->b, si_get_vs_info(sctx));
+	si_update_vs_writes_viewport_index(sctx, si_get_vs_info(sctx));
 	si_set_active_descriptors_for_shader(sctx, sel);
 	si_update_streamout_state(sctx);
 	si_update_clip_regs(sctx, old_hw_vs, old_hw_vs_variant,
diff --git a/src/gallium/drivers/radeonsi/si_state_viewport.c b/src/gallium/drivers/radeonsi/si_state_viewport.c
index 54f31c4694..d462f7d0a2 100644
--- a/src/gallium/drivers/radeonsi/si_state_viewport.c
+++ b/src/gallium/drivers/radeonsi/si_state_viewport.c
@@ -21,36 +21,38 @@
  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
+#include "si_pipe.h"
+#include "sid.h"
 #include "radeon/r600_cs.h"
 #include "util/u_viewport.h"
 #include "tgsi/tgsi_scan.h"
 
-#define GET_MAX_SCISSOR(rctx) (rctx->chip_class >= EVERGREEN ? 16384 : 8192)
+#define SI_MAX_SCISSOR 16384
 
-static void r600_set_scissor_states(struct pipe_context *ctx,
-				    unsigned start_slot,
-				    unsigned num_scissors,
-				    const struct pipe_scissor_state *state)
+static void si_set_scissor_states(struct pipe_context *pctx,
+				  unsigned start_slot,
+				  unsigned num_scissors,
+				  const struct pipe_scissor_state *state)
 {
-	struct r600_common_context *rctx = (struct r600_common_context *)ctx;
+	struct si_context *ctx = (struct si_context *)pctx;
 	int i;
 
 	for (i = 0; i < num_scissors; i++)
-		rctx->scissors.states[start_slot + i] = state[i];
+		ctx->scissors.states[start_slot + i] = state[i];
 
-	if (!rctx->scissor_enabled)
+	if (!ctx->scissor_enabled)
 		return;
 
-	rctx->scissors.dirty_mask |= ((1 << num_scissors) - 1) << start_slot;
-	rctx->set_atom_dirty(rctx, &rctx->scissors.atom, true);
+	ctx->scissors.dirty_mask |= ((1 << num_scissors) - 1) << start_slot;
+	si_mark_atom_dirty(ctx, &ctx->scissors.atom);
 }
 
 /* Since the guard band disables clipping, we have to clip per-pixel
  * using a scissor.
  */
-static void r600_get_scissor_from_viewport(struct r600_common_context *rctx,
-					   const struct pipe_viewport_state *vp,
-					   struct r600_signed_scissor *scissor)
+static void si_get_scissor_from_viewport(struct si_context *ctx,
+					 const struct pipe_viewport_state *vp,
+					 struct si_signed_scissor *scissor)
 {
 	float tmp, minx, miny, maxx, maxy;
 
@@ -63,7 +65,7 @@ static void r600_get_scissor_from_viewport(struct r600_common_context *rctx,
 	/* r600_draw_rectangle sets this. Disable the scissor. */
 	if (minx == -1 && miny == -1 && maxx == 1 && maxy == 1) {
 		scissor->minx = scissor->miny = 0;
-		scissor->maxx = scissor->maxy = GET_MAX_SCISSOR(rctx);
+		scissor->maxx = scissor->maxy = SI_MAX_SCISSOR;
 		return;
 	}
 
@@ -86,19 +88,18 @@ static void r600_get_scissor_from_viewport(struct r600_common_context *rctx,
 	scissor->maxy = ceilf(maxy);
 }
 
-static void r600_clamp_scissor(struct r600_common_context *rctx,
-			       struct pipe_scissor_state *out,
-			       struct r600_signed_scissor *scissor)
+static void si_clamp_scissor(struct si_context *ctx,
+			     struct pipe_scissor_state *out,
+			     struct si_signed_scissor *scissor)
 {
-	unsigned max_scissor = GET_MAX_SCISSOR(rctx);
-	out->minx = CLAMP(scissor->minx, 0, max_scissor);
-	out->miny = CLAMP(scissor->miny, 0, max_scissor);
-	out->maxx = CLAMP(scissor->maxx, 0, max_scissor);
-	out->maxy = CLAMP(scissor->maxy, 0, max_scissor);
+	out->minx = CLAMP(scissor->minx, 0, SI_MAX_SCISSOR);
+	out->miny = CLAMP(scissor->miny, 0, SI_MAX_SCISSOR);
+	out->maxx = CLAMP(scissor->maxx, 0, SI_MAX_SCISSOR);
+	out->maxy = CLAMP(scissor->maxy, 0, SI_MAX_SCISSOR);
 }
 
-static void r600_clip_scissor(struct pipe_scissor_state *out,
-			      struct pipe_scissor_state *clip)
+static void si_clip_scissor(struct pipe_scissor_state *out,
+			    struct pipe_scissor_state *clip)
 {
 	out->minx = MAX2(out->minx, clip->minx);
 	out->miny = MAX2(out->miny, clip->miny);
@@ -106,8 +107,8 @@ static void r600_clip_scissor(struct pipe_scissor_state *out,
 	out->maxy = MIN2(out->maxy, clip->maxy);
 }
 
-static void r600_scissor_make_union(struct r600_signed_scissor *out,
-				    struct r600_signed_scissor *in)
+static void si_scissor_make_union(struct si_signed_scissor *out,
+				  struct si_signed_scissor *in)
 {
 	out->minx = MIN2(out->minx, in->minx);
 	out->miny = MIN2(out->miny, in->miny);
@@ -115,22 +116,22 @@ static void r600_scissor_make_union(struct r600_signed_scissor *out,
 	out->maxy = MAX2(out->maxy, in->maxy);
 }
 
-static void r600_emit_one_scissor(struct r600_common_context *rctx,
-				  struct radeon_winsys_cs *cs,
-				  struct r600_signed_scissor *vp_scissor,
-				  struct pipe_scissor_state *scissor)
+static void si_emit_one_scissor(struct si_context *ctx,
+				struct radeon_winsys_cs *cs,
+				struct si_signed_scissor *vp_scissor,
+				struct pipe_scissor_state *scissor)
 {
 	struct pipe_scissor_state final;
 
-	if (rctx->vs_disables_clipping_viewport) {
+	if (ctx->vs_disables_clipping_viewport) {
 		final.minx = final.miny = 0;
-		final.maxx = final.maxy = GET_MAX_SCISSOR(rctx);
+		final.maxx = final.maxy = SI_MAX_SCISSOR;
 	} else {
-		r600_clamp_scissor(rctx, &final, vp_scissor);
+		si_clamp_scissor(ctx, &final, vp_scissor);
 	}
 
 	if (scissor)
-		r600_clip_scissor(&final, scissor);
+		si_clip_scissor(&final, scissor);
 
 	radeon_emit(cs, S_028250_TL_X(final.minx) |
 			S_028250_TL_Y(final.miny) |
@@ -140,12 +141,12 @@ static void r600_emit_one_scissor(struct r600_common_context *rctx,
 }
 
 /* the range is [-MAX, MAX] */
-#define GET_MAX_VIEWPORT_RANGE(rctx) (rctx->chip_class >= EVERGREEN ? 32768 : 16384)
+#define GET_MAX_VIEWPORT_RANGE(rctx) (32768)
 
-static void r600_emit_guardband(struct r600_common_context *rctx,
-				struct r600_signed_scissor *vp_as_scissor)
+static void si_emit_guardband(struct si_context *ctx,
+			      struct si_signed_scissor *vp_as_scissor)
 {
-	struct radeon_winsys_cs *cs = rctx->gfx.cs;
+	struct radeon_winsys_cs *cs = ctx->b.gfx.cs;
 	struct pipe_viewport_state vp;
 	float left, top, right, bottom, max_range, guardband_x, guardband_y;
 	float discard_x, discard_y;
@@ -171,7 +172,7 @@ static void r600_emit_guardband(struct r600_common_context *rctx,
 	 *
 	 * Use a limit one pixel smaller to allow for some precision error.
 	 */
-	max_range = GET_MAX_VIEWPORT_RANGE(rctx) - 1;
+	max_range = GET_MAX_VIEWPORT_RANGE(ctx) - 1;
 	left   = (-max_range - vp.translate[0]) / vp.scale[0];
 	right  = ( max_range - vp.translate[0]) / vp.scale[0];
 	top    = (-max_range - vp.translate[1]) / vp.scale[1];
@@ -185,7 +186,7 @@ static void r600_emit_guardband(struct r600_common_context *rctx,
 	discard_x = 1.0;
 	discard_y = 1.0;
 
-	if (rctx->current_rast_prim < PIPE_PRIM_TRIANGLES) {
+	if (ctx->b.current_rast_prim < PIPE_PRIM_TRIANGLES) {
 		/* When rendering wide points or lines, we need to be more
 		 * conservative about when to discard them entirely. Since
 		 * point size can be determined by the VS output, we basically
@@ -199,10 +200,7 @@ static void r600_emit_guardband(struct r600_common_context *rctx,
 	}
 
 	/* If any of the GB registers is updated, all of them must be updated. */
-	if (rctx->chip_class >= CAYMAN)
-		radeon_set_context_reg_seq(cs, CM_R_028BE8_PA_CL_GB_VERT_CLIP_ADJ, 4);
-	else
-		radeon_set_context_reg_seq(cs, R600_R_028C0C_PA_CL_GB_VERT_CLIP_ADJ, 4);
+	radeon_set_context_reg_seq(cs, R_028BE8_PA_CL_GB_VERT_CLIP_ADJ, 4);
 
 	radeon_emit(cs, fui(guardband_y)); /* R_028BE8_PA_CL_GB_VERT_CLIP_ADJ */
 	radeon_emit(cs, fui(discard_y));   /* R_028BEC_PA_CL_GB_VERT_DISC_ADJ */
@@ -210,34 +208,35 @@ static void r600_emit_guardband(struct r600_common_context *rctx,
 	radeon_emit(cs, fui(discard_x));   /* R_028BF4_PA_CL_GB_HORZ_DISC_ADJ */
 }
 
-static void r600_emit_scissors(struct r600_common_context *rctx, struct r600_atom *atom)
+static void si_emit_scissors(struct r600_common_context *rctx, struct r600_atom *atom)
 {
-	struct radeon_winsys_cs *cs = rctx->gfx.cs;
-	struct pipe_scissor_state *states = rctx->scissors.states;
-	unsigned mask = rctx->scissors.dirty_mask;
-	bool scissor_enabled = rctx->scissor_enabled;
-	struct r600_signed_scissor max_vp_scissor;
+	struct si_context *ctx = (struct si_context *)rctx;
+	struct radeon_winsys_cs *cs = ctx->b.gfx.cs;
+	struct pipe_scissor_state *states = ctx->scissors.states;
+	unsigned mask = ctx->scissors.dirty_mask;
+	bool scissor_enabled = ctx->scissor_enabled;
+	struct si_signed_scissor max_vp_scissor;
 	int i;
 
 	/* The simple case: Only 1 viewport is active. */
-	if (!rctx->vs_writes_viewport_index) {
-		struct r600_signed_scissor *vp = &rctx->viewports.as_scissor[0];
+	if (!ctx->vs_writes_viewport_index) {
+		struct si_signed_scissor *vp = &ctx->viewports.as_scissor[0];
 
 		if (!(mask & 1))
 			return;
 
 		radeon_set_context_reg_seq(cs, R_028250_PA_SC_VPORT_SCISSOR_0_TL, 2);
-		r600_emit_one_scissor(rctx, cs, vp, scissor_enabled ? &states[0] : NULL);
-		r600_emit_guardband(rctx, vp);
-		rctx->scissors.dirty_mask &= ~1; /* clear one bit */
+		si_emit_one_scissor(ctx, cs, vp, scissor_enabled ? &states[0] : NULL);
+		si_emit_guardband(ctx, vp);
+		ctx->scissors.dirty_mask &= ~1; /* clear one bit */
 		return;
 	}
 
 	/* Shaders can draw to any viewport. Make a union of all viewports. */
-	max_vp_scissor = rctx->viewports.as_scissor[0];
-	for (i = 1; i < R600_MAX_VIEWPORTS; i++)
-		r600_scissor_make_union(&max_vp_scissor,
-				      &rctx->viewports.as_scissor[i]);
+	max_vp_scissor = ctx->viewports.as_scissor[0];
+	for (i = 1; i < SI_MAX_VIEWPORTS; i++)
+		si_scissor_make_union(&max_vp_scissor,
+				      &ctx->viewports.as_scissor[i]);
 
 	while (mask) {
 		int start, count, i;
@@ -247,43 +246,43 @@ static void r600_emit_scissors(struct r600_common_context *rctx, struct r600_ato
 		radeon_set_context_reg_seq(cs, R_028250_PA_SC_VPORT_SCISSOR_0_TL +
 					       start * 4 * 2, count * 2);
 		for (i = start; i < start+count; i++) {
-			r600_emit_one_scissor(rctx, cs, &rctx->viewports.as_scissor[i],
-					      scissor_enabled ? &states[i] : NULL);
+			si_emit_one_scissor(ctx, cs, &ctx->viewports.as_scissor[i],
+					    scissor_enabled ? &states[i] : NULL);
 		}
 	}
-	r600_emit_guardband(rctx, &max_vp_scissor);
-	rctx->scissors.dirty_mask = 0;
+	si_emit_guardband(ctx, &max_vp_scissor);
+	ctx->scissors.dirty_mask = 0;
 }
 
-static void r600_set_viewport_states(struct pipe_context *ctx,
-				     unsigned start_slot,
-				     unsigned num_viewports,
-				     const struct pipe_viewport_state *state)
+static void si_set_viewport_states(struct pipe_context *pctx,
+				   unsigned start_slot,
+				   unsigned num_viewports,
+				   const struct pipe_viewport_state *state)
 {
-	struct r600_common_context *rctx = (struct r600_common_context *)ctx;
+	struct si_context *ctx = (struct si_context *)pctx;
 	unsigned mask;
 	int i;
 
 	for (i = 0; i < num_viewports; i++) {
 		unsigned index = start_slot + i;
 
-		rctx->viewports.states[index] = state[i];
-		r600_get_scissor_from_viewport(rctx, &state[i],
-					       &rctx->viewports.as_scissor[index]);
+		ctx->viewports.states[index] = state[i];
+		si_get_scissor_from_viewport(ctx, &state[i],
+					     &ctx->viewports.as_scissor[index]);
 	}
 
 	mask = ((1 << num_viewports) - 1) << start_slot;
-	rctx->viewports.dirty_mask |= mask;
-	rctx->viewports.depth_range_dirty_mask |= mask;
-	rctx->scissors.dirty_mask |= mask;
-	rctx->set_atom_dirty(rctx, &rctx->viewports.atom, true);
-	rctx->set_atom_dirty(rctx, &rctx->scissors.atom, true);
+	ctx->viewports.dirty_mask |= mask;
+	ctx->viewports.depth_range_dirty_mask |= mask;
+	ctx->scissors.dirty_mask |= mask;
+	si_mark_atom_dirty(ctx, &ctx->viewports.atom);
+	si_mark_atom_dirty(ctx, &ctx->scissors.atom);
 }
 
-static void r600_emit_one_viewport(struct r600_common_context *rctx,
-				   struct pipe_viewport_state *state)
+static void si_emit_one_viewport(struct si_context *ctx,
+				 struct pipe_viewport_state *state)
 {
-	struct radeon_winsys_cs *cs = rctx->gfx.cs;
+	struct radeon_winsys_cs *cs = ctx->b.gfx.cs;
 
 	radeon_emit(cs, fui(state->scale[0]));
 	radeon_emit(cs, fui(state->translate[0]));
@@ -293,20 +292,20 @@ static void r600_emit_one_viewport(struct r600_common_context *rctx,
 	radeon_emit(cs, fui(state->translate[2]));
 }
 
-static void r600_emit_viewports(struct r600_common_context *rctx)
+static void si_emit_viewports(struct si_context *ctx)
 {
-	struct radeon_winsys_cs *cs = rctx->gfx.cs;
-	struct pipe_viewport_state *states = rctx->viewports.states;
-	unsigned mask = rctx->viewports.dirty_mask;
+	struct radeon_winsys_cs *cs = ctx->b.gfx.cs;
+	struct pipe_viewport_state *states = ctx->viewports.states;
+	unsigned mask = ctx->viewports.dirty_mask;
 
 	/* The simple case: Only 1 viewport is active. */
-	if (!rctx->vs_writes_viewport_index) {
+	if (!ctx->vs_writes_viewport_index) {
 		if (!(mask & 1))
 			return;
 
 		radeon_set_context_reg_seq(cs, R_02843C_PA_CL_VPORT_XSCALE, 6);
-		r600_emit_one_viewport(rctx, &states[0]);
-		rctx->viewports.dirty_mask &= ~1; /* clear one bit */
+		si_emit_one_viewport(ctx, &states[0]);
+		ctx->viewports.dirty_mask &= ~1; /* clear one bit */
 		return;
 	}
 
@@ -318,29 +317,29 @@ static void r600_emit_viewports(struct r600_common_context *rctx)
 		radeon_set_context_reg_seq(cs, R_02843C_PA_CL_VPORT_XSCALE +
 					       start * 4 * 6, count * 6);
 		for (i = start; i < start+count; i++)
-			r600_emit_one_viewport(rctx, &states[i]);
+			si_emit_one_viewport(ctx, &states[i]);
 	}
-	rctx->viewports.dirty_mask = 0;
+	ctx->viewports.dirty_mask = 0;
 }
 
-static void r600_emit_depth_ranges(struct r600_common_context *rctx)
+static void si_emit_depth_ranges(struct si_context *ctx)
 {
-	struct radeon_winsys_cs *cs = rctx->gfx.cs;
-	struct pipe_viewport_state *states = rctx->viewports.states;
-	unsigned mask = rctx->viewports.depth_range_dirty_mask;
+	struct radeon_winsys_cs *cs = ctx->b.gfx.cs;
+	struct pipe_viewport_state *states = ctx->viewports.states;
+	unsigned mask = ctx->viewports.depth_range_dirty_mask;
 	float zmin, zmax;
 
 	/* The simple case: Only 1 viewport is active. */
-	if (!rctx->vs_writes_viewport_index) {
+	if (!ctx->vs_writes_viewport_index) {
 		if (!(mask & 1))
 			return;
 
-		util_viewport_zmin_zmax(&states[0], rctx->clip_halfz, &zmin, &zmax);
+		util_viewport_zmin_zmax(&states[0], ctx->clip_halfz, &zmin, &zmax);
 
 		radeon_set_context_reg_seq(cs, R_0282D0_PA_SC_VPORT_ZMIN_0, 2);
 		radeon_emit(cs, fui(zmin));
 		radeon_emit(cs, fui(zmax));
-		rctx->viewports.depth_range_dirty_mask &= ~1; /* clear one bit */
+		ctx->viewports.depth_range_dirty_mask &= ~1; /* clear one bit */
 		return;
 	}
 
@@ -352,34 +351,35 @@ static void r600_emit_depth_ranges(struct r600_common_context *rctx)
 		radeon_set_context_reg_seq(cs, R_0282D0_PA_SC_VPORT_ZMIN_0 +
 					   start * 4 * 2, count * 2);
 		for (i = start; i < start+count; i++) {
-			util_viewport_zmin_zmax(&states[i], rctx->clip_halfz, &zmin, &zmax);
+			util_viewport_zmin_zmax(&states[i], ctx->clip_halfz, &zmin, &zmax);
 			radeon_emit(cs, fui(zmin));
 			radeon_emit(cs, fui(zmax));
 		}
 	}
-	rctx->viewports.depth_range_dirty_mask = 0;
+	ctx->viewports.depth_range_dirty_mask = 0;
 }
 
-static void r600_emit_viewport_states(struct r600_common_context *rctx,
-				      struct r600_atom *atom)
+static void si_emit_viewport_states(struct r600_common_context *rctx,
+				    struct r600_atom *atom)
 {
-	r600_emit_viewports(rctx);
-	r600_emit_depth_ranges(rctx);
+	struct si_context *ctx = (struct si_context *)rctx;
+	si_emit_viewports(ctx);
+	si_emit_depth_ranges(ctx);
 }
 
 /* Set viewport dependencies on pipe_rasterizer_state. */
-void si_viewport_set_rast_deps(struct r600_common_context *rctx,
+void si_viewport_set_rast_deps(struct si_context *ctx,
 			       bool scissor_enable, bool clip_halfz)
 {
-	if (rctx->scissor_enabled != scissor_enable) {
-		rctx->scissor_enabled = scissor_enable;
-		rctx->scissors.dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
-		rctx->set_atom_dirty(rctx, &rctx->scissors.atom, true);
+	if (ctx->scissor_enabled != scissor_enable) {
+		ctx->scissor_enabled = scissor_enable;
+		ctx->scissors.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
+		si_mark_atom_dirty(ctx, &ctx->scissors.atom);
 	}
-	if (rctx->clip_halfz != clip_halfz) {
-		rctx->clip_halfz = clip_halfz;
-		rctx->viewports.depth_range_dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
-		rctx->set_atom_dirty(rctx, &rctx->viewports.atom, true);
+	if (ctx->clip_halfz != clip_halfz) {
+		ctx->clip_halfz = clip_halfz;
+		ctx->viewports.depth_range_dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
+		si_mark_atom_dirty(ctx, &ctx->viewports.atom);
 	}
 }
 
@@ -389,7 +389,7 @@ void si_viewport_set_rast_deps(struct r600_common_context *rctx,
  * is delayed. When a shader with VIEWPORT_INDEX appears, this should be
  * called to emit the rest.
  */
-void si_update_vs_writes_viewport_index(struct r600_common_context *rctx,
+void si_update_vs_writes_viewport_index(struct si_context *ctx,
 					struct tgsi_shader_info *info)
 {
 	bool vs_window_space;
@@ -401,33 +401,33 @@ void si_update_vs_writes_viewport_index(struct r600_common_context *rctx,
 	vs_window_space =
 		info->properties[TGSI_PROPERTY_VS_WINDOW_SPACE_POSITION];
 
-	if (rctx->vs_disables_clipping_viewport != vs_window_space) {
-		rctx->vs_disables_clipping_viewport = vs_window_space;
-		rctx->scissors.dirty_mask = (1 << R600_MAX_VIEWPORTS) - 1;
-		rctx->set_atom_dirty(rctx, &rctx->scissors.atom, true);
+	if (ctx->vs_disables_clipping_viewport != vs_window_space) {
+		ctx->vs_disables_clipping_viewport = vs_window_space;
+		ctx->scissors.dirty_mask = (1 << SI_MAX_VIEWPORTS) - 1;
+		si_mark_atom_dirty(ctx, &ctx->scissors.atom);
 	}
 
 	/* Viewport index handling. */
-	rctx->vs_writes_viewport_index = info->writes_viewport_index;
-	if (!rctx->vs_writes_viewport_index)
+	ctx->vs_writes_viewport_index = info->writes_viewport_index;
+	if (!ctx->vs_writes_viewport_index)
 		return;
 
-	if (rctx->scissors.dirty_mask)
-	    rctx->set_atom_dirty(rctx, &rctx->scissors.atom, true);
+	if (ctx->scissors.dirty_mask)
+	    si_mark_atom_dirty(ctx, &ctx->scissors.atom);
 
-	if (rctx->viewports.dirty_mask ||
-	    rctx->viewports.depth_range_dirty_mask)
-	    rctx->set_atom_dirty(rctx, &rctx->viewports.atom, true);
+	if (ctx->viewports.dirty_mask ||
+	    ctx->viewports.depth_range_dirty_mask)
+	    si_mark_atom_dirty(ctx, &ctx->viewports.atom);
 }
 
-void si_init_viewport_functions(struct r600_common_context *rctx)
+void si_init_viewport_functions(struct si_context *ctx)
 {
-	rctx->scissors.atom.emit = r600_emit_scissors;
-	rctx->viewports.atom.emit = r600_emit_viewport_states;
+	ctx->scissors.atom.emit = si_emit_scissors;
+	ctx->viewports.atom.emit = si_emit_viewport_states;
 
-	rctx->scissors.atom.num_dw = (2 + 16 * 2) + 6;
-	rctx->viewports.atom.num_dw = 2 + 16 * 6;
+	ctx->scissors.atom.num_dw = (2 + 16 * 2) + 6;
+	ctx->viewports.atom.num_dw = 2 + 16 * 6;
 
-	rctx->b.set_scissor_states = r600_set_scissor_states;
-	rctx->b.set_viewport_states = r600_set_viewport_states;
+	ctx->b.b.set_scissor_states = si_set_scissor_states;
+	ctx->b.b.set_viewport_states = si_set_viewport_states;
 }




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