rtl/gfx: rename platform/wavelet3d -> rtl/gfx

1 files changed, 0 insertions, 271 deletions

diff --git a/platform/wavelet3d/gfx_pkg.sv b/platform/wavelet3d/gfx_pkg.sv
deleted file mode 100644
index 7072967..0000000
--- a/platform/wavelet3d/gfx_pkg.sv
+++ /dev/null
@@ -1,271 +0,0 @@
-package gfx;
-
-	typedef logic[31:0] word;
-
-	typedef word                                uword;
-	typedef logic signed[$bits(word) - 1:0]     sword;
-	typedef logic[$bits(word) / 2 - 1:0]        uhword;
-	typedef logic signed[$bits(word) / 2 - 1:0] shword;
-	typedef logic[2 * $bits(word) - 1:0]        udword;
-	typedef logic signed[2 * $bits(word) - 1:0] sdword;
-	typedef logic signed[4 * $bits(word) - 1:0] qword;
-	typedef logic signed[8 * $bits(word) - 1:0] oword;
-
-	localparam int SUBWORD_BITS   = $clog2($bits(word)) - $clog2($bits(byte));
-	localparam int BYTES_PER_WORD = 1 << SUBWORD_BITS;
-
-	typedef logic[$bits(word) - SUBWORD_BITS - 1:0] word_ptr;
-	typedef logic[$bits(word_ptr) - 1 - 1:0]        dword_ptr;
-	typedef logic[$bits(word_ptr) - 2 - 1:0]        qword_ptr;
-	typedef logic[$bits(word_ptr) - 3 - 1:0]        oword_ptr;
-
-	typedef logic[7:0]                                  float_exp;
-	typedef logic[$bits(word) - $bits(float_exp) - 2:0] float_mant;
-	typedef logic[$bits(float_mant):0]                  float_mant_full; // Incluye '1.' explícito
-	typedef logic[$bits(float_mant_full) + 1:0]         float_mant_ext;  // Considera overflow
-
-	localparam float_exp FLOAT_EXP_BIAS = (1 << ($bits(float_exp) - 1)) - 1;
-	localparam float_exp FLOAT_EXP_MAX  = {($bits(float_exp)){1'b1}};
-
-	function float_mant_full full_mant(float_mant in);
-		full_mant = {1'b1, in};
-	endfunction
-
-	function float_mant implicit_mant(float_mant_full in);
-		assert (in[$bits(in) - 1]);
-		implicit_mant = in[$bits(in) - 2:0];
-	endfunction
-
-	typedef struct packed
-	{
-		logic      sign;
-		float_exp  exp;
-		float_mant mant;
-	} float;
-
-	/* Explicación de guard, round, sticky:
-	 * https://drilian.com/2023/01/10/floating-point-numbers-and-rounding/
-	 */
-	typedef struct packed
-	{
-		float normal;
-		logic slow,
-		      zero,
-		      guard,
-		      round,
-		      sticky;
-	} float_round;
-
-	typedef struct packed
-	{
-		logic exp_max,
-		      exp_min,
-		      mant_zero;
-	} float_class;
-
-	function float_class classify_float(float in);
-		classify_float.exp_max = &in.exp;
-		classify_float.exp_min = ~|in.exp;
-		classify_float.mant_zero = ~|in.mant;
-	endfunction
-
-	function logic is_float_special(float_class in);
-		is_float_special = in.exp_max | (in.exp_min & ~in.mant_zero);
-	endfunction
-
-	function float_mant_ext float_prepare_round(float in, float_class in_class);
-		float_prepare_round = {~in_class.exp_min, in.mant, 2'b00};
-	endfunction
-
-	typedef struct packed
-	{
-		logic setup_mul_float,
-		      setup_unit_b,
-		      mnorm_put_hi,
-		      mnorm_put_lo,
-		      mnorm_put_mul,
-		      mnorm_zero_b,
-		      mnorm_zero_flags,
-		      minmax_abs,
-		      minmax_swap,
-		      minmax_zero_min,
-		      minmax_copy_flags,
-		      shiftr_int_signed,
-		      addsub_copy_flags,
-		      addsub_int_operand,
-		      clz_force_nop,
-		      shiftl_copy_flags,
-		      round_copy_flags,
-		      round_enable,
-		      encode_enable,
-		      writeback;
-	} fpint_op;
-
-	typedef struct packed
-	{
-		logic todo;
-	} mem_op;
-
-	typedef struct packed
-	{
-		logic todo;
-	} sfu_op;
-
-	typedef struct packed
-	{
-		logic todo;
-	} group_op;
-
-	// Q22.10
-	typedef logic[9:0]                                   fixed_frac;
-	typedef logic[$bits(word) - $bits(fixed_frac) - 1:0] fixed_int;
-
-	typedef struct packed signed
-	{
-		fixed_int  fint; // 'int' es una keyword
-		fixed_frac frac;
-	} fixed;
-
-	typedef struct packed
-	{
-		fixed x,
-		      y;
-	} fixed_xy;
-
-	typedef struct packed
-	{
-		fixed a,
-		      b,
-		      c;
-	} vtx_fixed;
-
-	typedef struct packed
-	{
-		fixed_xy a,
-		         b,
-		         c;
-	} vtx_xy;
-
-	localparam int RASTER_BITS         = 2;
-	localparam int RASTER_SUB_BITS     = 4;
-	localparam int RASTER_SIZE         = 1 << RASTER_BITS;
-	localparam int RASTER_COARSE_FRAGS = RASTER_SIZE * RASTER_SIZE;
-
-	typedef logic[RASTER_BITS - 1:0] raster_index;
-
-	// Caso RASTER_BITS = 2: -> 4,4,4,4 -> 8,8-> 16
-	localparam int RASTER_OUT_CLZ_DEPTH = 3;
-
-	// Asume RASTER_BITS == 2, hay que ajustarlo si cambia
-	typedef struct packed
-	{
-		// Esto ahorra muchos flops
-		//
-		// offsets[0] = inc * 0 = 0
-		// offsets[1] = inc * 1 = raster2_times1
-		// offsets[2] = inc * 2 = raster2_times1 << 1
-		// offsets[3] = inc * 3 = raster2_times3
-		fixed raster2_times1,
-		      raster2_times3;
-	} raster_offsets;
-
-	function fixed raster_idx(raster_offsets offsets, raster_index idx);
-		unique case (idx)
-			RASTER_BITS'(0):
-				return '0;
-
-			RASTER_BITS'(1):
-				return offsets.raster2_times1;
-
-			RASTER_BITS'(2):
-				return offsets.raster2_times1 << 1;
-
-			RASTER_BITS'(3):
-				return offsets.raster2_times3;
-		endcase
-	endfunction
-
-	function raster_offsets make_raster_offsets(fixed inc);
-		make_raster_offsets.raster2_times1 = inc;
-		make_raster_offsets.raster2_times3 = inc + (inc << 1);
-	endfunction
-
-	typedef struct packed
-	{
-		raster_offsets x,
-		               y;
-	} raster_offsets_xy;
-
-	typedef struct packed
-	{
-		logic[RASTER_SUB_BITS - 1:0]                     num;
-		logic[$bits(fixed_frac) - RASTER_SUB_BITS - 1:0] prec;
-	} raster_sub;
-
-	localparam int RASTER_COARSE_DIM_BITS = $bits(fixed) - $bits(raster_index) - $bits(raster_sub);
-
-	typedef logic signed[RASTER_COARSE_DIM_BITS - 1:0] raster_coarse_dim;
-
-	typedef struct packed
-	{
-		raster_coarse_dim x,
-		                  y;
-	} raster_coarse_xy;
-
-	typedef struct packed signed
-	{
-		raster_coarse_dim coarse;
-		raster_index      fine;
-		raster_sub        sub;
-	} raster_prec;
-
-	typedef struct packed
-	{
-		raster_prec x,
-		            y;
-	} raster_prec_xy;
-
-	// Definir el número de lanes a partir de las dimensiones del
-	// rasterizer es una decisión crucial, el diseño entero depende de esto
-
-	localparam int SHADER_LANES = RASTER_COARSE_FRAGS;
-
-	typedef logic[RASTER_SIZE - 1:0]  lane_no;
-	typedef logic[SHADER_LANES - 1:0] lane_mask;
-
-	typedef logic[5:0] group_id;
-
-	localparam int REGFILE_STAGES  = 3;
-	localparam int REG_READ_STAGES = 2 + REGFILE_STAGES + 1;
-
-	typedef gfx_isa::sgpr_num sgpr_num;
-	typedef gfx_isa::vgpr_num vgpr_num;
-	typedef gfx_isa::xgpr_num xgpr_num;
-	typedef gfx_isa::pc_offset pc_offset;
-
-	typedef struct packed
-	{
-		// No incluye p0 porque p0 no tiene señal ready
-		logic p1,
-		      p2,
-		      p3,
-		      valid;
-	} shader_dispatch;
-
-	typedef struct
-	{
-		group_id group;
-		xgpr_num dest;
-		logic    dest_scalar;
-	} wave_exec;
-
-	localparam int FIXED_MULADD_DEPTH = 5;
-	localparam int FIXED_DOTADD_DEPTH = 2 * FIXED_MULADD_DEPTH;
-
-	localparam word BOOTROM_BASE  = 32'h0010_0000;
-
-	localparam int SCHED_BRAM_WORDS = 2048; // 8KiB
-
-	typedef word irq_lines;
-
-endpackage