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-rw-r--r--rtl/gfx/gfx_defs.sv267
1 files changed, 0 insertions, 267 deletions
diff --git a/rtl/gfx/gfx_defs.sv b/rtl/gfx/gfx_defs.sv
deleted file mode 100644
index 1e7a335..0000000
--- a/rtl/gfx/gfx_defs.sv
+++ /dev/null
@@ -1,267 +0,0 @@
-`ifndef GFX_DEFS_SV
-`define GFX_DEFS_SV
-
-// Esto es arquitectural, no se puede ajustar sin cambiar otras cosas
-`define FLOAT_BITS 16
-`define FLOATS_PER_VEC 4
-`define VECS_PER_MAT 4
-
-// Target de 200MHz (reloj es 143MHz) con float16, rounding (muy) aproximado
-`define FP_ADD_STAGES 10 // ~401 LUTs
-`define FP_MUL_STAGES 5 // ~144 LUTs ~1 bloque DSP
-`define FP_FIX_STAGES 5 // ~313 LUTs
-
-typedef logic[`FLOAT_BITS - 1:0] fp;
-typedef fp[1:0] vec2;
-typedef fp[`FLOATS_PER_VEC - 1:0] vec4;
-typedef vec4[`VECS_PER_MAT - 1:0] mat4;
-
-`define FP_UNIT 16'h3c00
-
-typedef logic[1:0] index4;
-
-`define INDEX4_MIN 2'b00
-`define INDEX4_MAX 2'b11
-
-typedef logic[8:0] x_coord;
-typedef logic[9:0] y_coord;
-typedef logic[9:0] xy_coord;
-typedef logic[18:0] linear_coord;
-typedef logic[19:0] half_coord;
-
-`define GFX_X_RES 640
-`define GFX_Y_RES 480
-`define GFX_LINEAR_RES (`GFX_X_RES * `GFX_Y_RES)
-
-`define COLOR_CHANNELS 4
-
-typedef logic[7:0] color8;
-typedef logic[9:0] color10;
-
-typedef struct packed
-{
- color8 r, g, b;
-} rgb24;
-
-typedef struct packed
-{
- color10 r, g, b;
-} rgb30;
-
-typedef struct packed
-{
- color8 a, r, g, b;
-} rgb32;
-
-`define FIXED_FRAC 16
-
-`define FIXED_DIV_PIPES 2
-`define FIXED_DIV_STAGES (`FIXED_DIV_PIPES + $bits(fixed) + `FIXED_FRAC)
-`define FIXED_FMA_STAGES 5
-`define FIXED_FMA_DOT_STAGES (2 * `FIXED_FMA_STAGES)
-`define LERP_STAGES `FIXED_FMA_DOT_STAGES
-
-typedef logic signed[31:0] fixed;
-typedef fixed[2:0] fixed_tri;
-
-`define EDGE_P0_TO_P1 0
-`define EDGE_P1_TO_P2 1
-`define EDGE_P2_TO_P0 2
-
-typedef struct packed
-{
- fixed x, y;
-} raster_xy;
-
-typedef struct packed
-{
- fixed z, w;
-} raster_zw;
-
-typedef struct packed
-{
- raster_xy xy;
- raster_zw zw;
-} raster_xyzw;
-
-typedef struct packed
-{
- fp x, y, z, w;
-} fp_xyzw;
-
-typedef logic[8:0] coarse_dim;
-
-`define GFX_MASK_SRAM_STAGES 3
-`define GFX_MASK_STAGES (1 + `GFX_MASK_SRAM_STAGES + 1)
-
-`define GFX_SCANOUT_FIFO_DEPTH 16 // Ajustable
-
-`define GFX_SETUP_BOUNDS_STAGES 3
-`define GFX_SETUP_EDGE_STAGES (1 + `FIXED_FMA_DOT_STAGES)
-`define GFX_SETUP_OFFSETS_STAGES 2
-`define GFX_SETUP_STAGES (`GFX_SETUP_BOUNDS_STAGES \
- + `GFX_SETUP_EDGE_STAGES \
- + `GFX_SETUP_OFFSETS_STAGES)
-
-`define GFX_FINE_STAGES 2
-
-`define GFX_RASTER_BITS 1 // Solía ser 2, pero la FPGA no da para tanto
-`define GFX_RASTER_SUB_BITS 4
-`define GFX_RASTER_PAD_BITS ($bits(fixed) - $bits(coarse_dim) - `FIXED_FRAC - `GFX_RASTER_BITS)
-`define GFX_RASTER_SIZE (1 << `GFX_RASTER_BITS)
-`define GFX_RASTER_OFFSETS (1 << (2 * `GFX_RASTER_BITS))
-
-typedef struct packed
-{
- logic[`GFX_RASTER_SUB_BITS - 1:0] num;
- logic[`FIXED_FRAC - `GFX_RASTER_SUB_BITS - 1:0] prec;
-} raster_sub;
-
-typedef struct packed
-{
- logic sign;
- logic[`GFX_RASTER_PAD_BITS - 1:0] padding;
- logic[$bits(coarse_dim) - 2:0] coarse;
- logic[`GFX_RASTER_BITS - 1:0] fine;
- raster_sub sub;
-} raster_prec;
-
-typedef struct packed
-{
- raster_prec x, y;
-} raster_xy_prec;
-
-typedef fixed[`GFX_RASTER_OFFSETS - 1:0] raster_offsets;
-typedef raster_offsets[2:0] raster_offsets_tri;
-
-`define GFX_FINE_LANES (`GFX_RASTER_SIZE * `GFX_RASTER_SIZE)
-
-typedef struct packed
-{
- xy_coord x, y;
-} frag_xy;
-
-typedef frag_xy[`GFX_FINE_LANES - 1:0] frag_xy_lanes;
-typedef logic[`GFX_FINE_LANES - 1:0] paint_lanes;
-typedef fixed[`COLOR_CHANNELS - 1:0] color_lerp_lanes;
-typedef fixed_tri[`GFX_FINE_LANES - 1:0] bary_lanes;
-
-typedef struct packed
-{
- linear_coord addr;
- rgb32 color;
-} frag_paint;
-
-`define GFX_FRAG_ADDR_STAGES 3
-`define GFX_FRAG_BARY_STAGES (`FIXED_DIV_STAGES + 2 + `FIXED_DIV_STAGES)
-`define GFX_FRAG_SHADE_STAGES (`LERP_STAGES + 1)
-`define GFX_FRAG_STAGES (`GFX_FRAG_BARY_STAGES + `GFX_FRAG_SHADE_STAGES)
-
-`define GFX_MEM_WORD_ADDR_BITS 25
-`define GFX_MEM_DATA_BITS 16 // No puedo hacer nada al respecto
-`define GFX_MEM_SUBWORD_BITS ($clog2(`GFX_MEM_DATA_BITS / 8))
-`define GFX_MEM_ADDR_BITS (`GFX_MEM_WORD_ADDR_BITS + `GFX_MEM_SUBWORD_BITS)
-`define GFX_MEM_RESPONSE_DEPTH 2 // Ajustar
-`define GFX_MEM_TRANS_DEPTH 4 // NO TOCAR, ver `GFX_MEM_MAX_PENDING_READS
-`define GFX_MEM_DISPATCH_DEPTH 8 // Nótese que platform.vram_0.s1.maximumPendingReadTransactions = 7
-
-// NO TOCAR. Esto debe coincidir perfectamente con gfx_hw.tcl
-`define GFX_VRAM_MAX_PENDING_READS 7 // platform.vram_0.s1.maximumPendingReadTransactions
-`define GFX_MEM_MAX_PENDING_READS (1 + `GFX_MEM_TRANS_DEPTH + 1 + `GFX_VRAM_MAX_PENDING_READS)
-
-typedef logic[`GFX_MEM_DATA_BITS - 1:0] vram_word;
-typedef logic[`GFX_MEM_ADDR_BITS - 1:0] vram_byte_addr;
-typedef logic[`GFX_MEM_WORD_ADDR_BITS - 1:0] vram_addr;
-
-`define GFX_INSN_BITS 32
-`define GFX_INSN_ADDR_BITS (`GFX_MEM_WORD_ADDR_BITS - $clog2(`GFX_INSN_BITS / `GFX_MEM_DATA_BITS))
-`define GFX_INSN_SUBWORD_BITS (`GFX_MEM_ADDR_BITS - `GFX_INSN_ADDR_BITS)
-`define GFX_LANE_BITS $bits(mat4)
-`define GFX_LANE_ADDR_BITS (`GFX_MEM_WORD_ADDR_BITS - $clog2(`GFX_LANE_BITS / `GFX_MEM_DATA_BITS))
-`define GFX_LANE_SUBWORD_BITS (`GFX_MEM_ADDR_BITS - `GFX_LANE_ADDR_BITS)
-`define GFX_INSN_BITS_IN_LANE (`GFX_LANE_SUBWORD_BITS - `GFX_INSN_SUBWORD_BITS)
-
-typedef logic[`GFX_INSN_BITS - 1:0] insn_word;
-typedef logic[`GFX_LANE_BITS - 1:0] lane_word;
-typedef logic[`GFX_INSN_ADDR_BITS - 1:0] vram_insn_addr;
-typedef logic[`GFX_LANE_ADDR_BITS - 1:0] vram_lane_addr;
-
-typedef logic[5:0] cmd_addr;
-typedef logic[31:0] cmd_word;
-
-`define GFX_CMD_REG_ID 3'b000
-`define GFX_CMD_REG_SCAN 3'b001
-`define GFX_CMD_REG_HEADER_BASE 3'b010
-`define GFX_CMD_REG_HEADER_SIZE 3'b011
-`define GFX_CMD_REG_FB_BASE_A 3'b100
-`define GFX_CMD_REG_FB_BASE_B 3'b101
-
-typedef struct packed
-{
- logic[$bits(cmd_word) - $bits(vram_insn_addr) - `GFX_INSN_SUBWORD_BITS - 1:0] pad;
- vram_insn_addr addr;
- logic[`GFX_INSN_SUBWORD_BITS - 1:0] sub;
-} cmd_insn_ptr;
-
-typedef struct packed
-{
- logic[$bits(cmd_word) - $bits(vram_lane_addr) - `GFX_LANE_SUBWORD_BITS - 1:0] pad;
- vram_lane_addr addr;
- logic[`GFX_LANE_SUBWORD_BITS - 1:0] sub;
-} cmd_lane_ptr;
-
-`define GFX_FETCH_FIFO_DEPTH 8
-
-`define GFX_BATCH_FIFO_DEPTH 4
-`define GFX_SP_LANES `VECS_PER_MAT
-
-typedef logic[`GFX_SP_LANES - 1:0] lane_mask;
-typedef logic[`FLOATS_PER_VEC - 1:0] vec_mask;
-
-typedef logic[`FLOATS_PER_VEC - 1:0][$clog2(`FLOATS_PER_VEC) - 1:0] swizzle_lanes;
-
-`define GFX_SP_REG_BITS 3
-`define GFX_SP_REG_COUNT (1 << `GFX_SP_REG_BITS)
-
-typedef logic[`GFX_SP_REG_BITS - 1:0] vreg_num;
-
-typedef struct packed
-{
- logic stream,
- combiner,
- shuffler;
-} ex_units;
-
-typedef struct packed
-{
- logic is_swizzle,
- is_broadcast;
- fp imm;
- vec_mask select_mask;
- swizzle_lanes swizzle_op;
-} shuffler_deco;
-
-typedef struct packed
-{
- logic writeback,
- read_src_a,
- read_src_b,
- clear_lanes;
- vreg_num dst,
- src_a,
- src_b;
- ex_units ex;
- shuffler_deco shuffler;
-} insn_deco; // "insn_decode" ya existe en core, esto es confuso pero lo hice por tiempo
-
-typedef struct packed
-{
- vreg_num dst;
- mat4 data;
-} wb_op;
-
-`define GFX_SP_COMBINER_FIFO_DEPTH 4 // TODO: optimizar esto
-
-`define GFX_SP_WB_STAGES 2
-
-`endif
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