summaryrefslogtreecommitdiff
path: root/src/gallium/drivers/r300/r300_state_tcl.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/r300/r300_state_tcl.c')
-rw-r--r--src/gallium/drivers/r300/r300_state_tcl.c285
1 files changed, 285 insertions, 0 deletions
diff --git a/src/gallium/drivers/r300/r300_state_tcl.c b/src/gallium/drivers/r300/r300_state_tcl.c
new file mode 100644
index 0000000000..47d6c6dfcd
--- /dev/null
+++ b/src/gallium/drivers/r300/r300_state_tcl.c
@@ -0,0 +1,285 @@
+/*
+ * Copyright 2009 Corbin Simpson <MostAwesomeDude@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * on the rights to use, copy, modify, merge, publish, distribute, sub
+ * license, and/or sell copies of the Software, and to permit persons to whom
+ * the Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
+ * USE OR OTHER DEALINGS IN THE SOFTWARE. */
+
+#include "r300_state_tcl.h"
+
+static void r300_vs_declare(struct r300_vs_asm* assembler,
+ struct tgsi_full_declaration* decl)
+{
+ switch (decl->Declaration.File) {
+ case TGSI_FILE_INPUT:
+ break;
+ case TGSI_FILE_OUTPUT:
+ switch (decl->Semantic.SemanticName) {
+ case TGSI_SEMANTIC_POSITION:
+ assembler->tab[decl->DeclarationRange.First] = 0;
+ break;
+ case TGSI_SEMANTIC_COLOR:
+ assembler->tab[decl->DeclarationRange.First] = 2;
+ break;
+ case TGSI_SEMANTIC_GENERIC:
+ /* XXX multiple? */
+ assembler->tab[decl->DeclarationRange.First] = 6;
+ break;
+ default:
+ debug_printf("r300: vs: Bad semantic declaration %d\n",
+ decl->Semantic.SemanticName);
+ break;
+ }
+ break;
+ case TGSI_FILE_CONSTANT:
+ break;
+ case TGSI_FILE_TEMPORARY:
+ assembler->temp_count++;
+ break;
+ default:
+ debug_printf("r300: vs: Bad file %d\n", decl->Declaration.File);
+ break;
+ }
+}
+
+static INLINE unsigned r300_vs_src_type(struct r300_vs_asm* assembler,
+ struct tgsi_src_register* src)
+{
+ switch (src->File) {
+ case TGSI_FILE_NULL:
+ /* Probably a zero or one swizzle */
+ return R300_PVS_SRC_REG_INPUT;
+ break;
+ case TGSI_FILE_INPUT:
+ return R300_PVS_SRC_REG_INPUT;
+ break;
+ case TGSI_FILE_TEMPORARY:
+ return R300_PVS_SRC_REG_TEMPORARY;
+ break;
+ case TGSI_FILE_CONSTANT:
+ return R300_PVS_SRC_REG_CONSTANT;
+ default:
+ debug_printf("r300: vs: Unimplemented src type %d\n", src->File);
+ break;
+ }
+ return 0;
+}
+
+static INLINE unsigned r300_vs_dst_type(struct r300_vs_asm* assembler,
+ struct tgsi_dst_register* dst)
+{
+ switch (dst->File) {
+ case TGSI_FILE_TEMPORARY:
+ return R300_PVS_DST_REG_TEMPORARY;
+ break;
+ case TGSI_FILE_OUTPUT:
+ return R300_PVS_DST_REG_OUT;
+ break;
+ default:
+ debug_printf("r300: vs: Unimplemented dst type %d\n", dst->File);
+ break;
+ }
+ return 0;
+}
+
+static INLINE unsigned r300_vs_dst(struct r300_vs_asm* assembler,
+ struct tgsi_dst_register* dst)
+{
+ switch (dst->File) {
+ case TGSI_FILE_TEMPORARY:
+ return dst->Index;
+ break;
+ case TGSI_FILE_OUTPUT:
+ return assembler->tab[dst->Index];
+ break;
+ default:
+ debug_printf("r300: vs: Unimplemented dst %d\n", dst->File);
+ break;
+ }
+ return 0;
+}
+
+static uint32_t r300_vs_op(unsigned op)
+{
+ switch (op) {
+ case TGSI_OPCODE_MUL:
+ return R300_VE_MULTIPLY;
+ case TGSI_OPCODE_ADD:
+ case TGSI_OPCODE_MOV:
+ case TGSI_OPCODE_SWZ:
+ return R300_VE_ADD;
+ case TGSI_OPCODE_MAD:
+ return R300_PVS_DST_MACRO_INST | R300_PVS_MACRO_OP_2CLK_MADD;
+ default:
+ break;
+ }
+ return 0;
+}
+
+static uint32_t r300_vs_swiz(struct tgsi_full_src_register* reg)
+{
+ if (reg->SrcRegister.Extended) {
+ return reg->SrcRegisterExtSwz.ExtSwizzleX |
+ (reg->SrcRegisterExtSwz.ExtSwizzleY << 3) |
+ (reg->SrcRegisterExtSwz.ExtSwizzleZ << 6) |
+ (reg->SrcRegisterExtSwz.ExtSwizzleW << 9);
+ } else {
+ return reg->SrcRegister.SwizzleX |
+ (reg->SrcRegister.SwizzleY << 3) |
+ (reg->SrcRegister.SwizzleZ << 6) |
+ (reg->SrcRegister.SwizzleW << 9);
+ }
+}
+
+static void r300_vs_emit_inst(struct r300_vertex_shader* vs,
+ struct r300_vs_asm* assembler,
+ struct tgsi_full_src_register* src,
+ struct tgsi_full_dst_register* dst,
+ unsigned op,
+ unsigned count)
+{
+ int i = vs->instruction_count;
+ vs->instructions[i].inst0 = R300_PVS_DST_OPCODE(r300_vs_op(op)) |
+ R300_PVS_DST_REG_TYPE(r300_vs_dst_type(assembler, &dst->DstRegister)) |
+ R300_PVS_DST_OFFSET(r300_vs_dst(assembler, &dst->DstRegister)) |
+ R300_PVS_DST_WE_XYZW;
+ switch (count) {
+ case 3:
+ vs->instructions[i].inst3 =
+ R300_PVS_SRC_REG_TYPE(r300_vs_src_type(assembler,
+ &src[2].SrcRegister)) |
+ R300_PVS_SRC_OFFSET(src[2].SrcRegister.Index) |
+ R300_PVS_SRC_SWIZZLE(r300_vs_swiz(&src[2]));
+ /* Fall through */
+ case 2:
+ vs->instructions[i].inst2 =
+ R300_PVS_SRC_REG_TYPE(r300_vs_src_type(assembler,
+ &src[1].SrcRegister)) |
+ R300_PVS_SRC_OFFSET(src[1].SrcRegister.Index) |
+ R300_PVS_SRC_SWIZZLE(r300_vs_swiz(&src[1]));
+ /* Fall through */
+ case 1:
+ vs->instructions[i].inst1 =
+ R300_PVS_SRC_REG_TYPE(r300_vs_src_type(assembler,
+ &src[0].SrcRegister)) |
+ R300_PVS_SRC_OFFSET(src[0].SrcRegister.Index) |
+ R300_PVS_SRC_SWIZZLE(r300_vs_swiz(&src[0]));
+ break;
+ }
+ vs->instruction_count++;
+}
+
+static void r300_vs_instruction(struct r300_vertex_shader* vs,
+ struct r300_vs_asm* assembler,
+ struct tgsi_full_instruction* inst)
+{
+ switch (inst->Instruction.Opcode) {
+ case TGSI_OPCODE_ADD:
+ case TGSI_OPCODE_MUL:
+ r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters,
+ &inst->FullDstRegisters[0], inst->Instruction.Opcode,
+ 2);
+ break;
+ case TGSI_OPCODE_MOV:
+ case TGSI_OPCODE_SWZ:
+ inst->FullSrcRegisters[1] = r300_constant_zero;
+ r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters,
+ &inst->FullDstRegisters[0], inst->Instruction.Opcode,
+ 2);
+ break;
+ case TGSI_OPCODE_MAD:
+ r300_vs_emit_inst(vs, assembler, inst->FullSrcRegisters,
+ &inst->FullDstRegisters[0], inst->Instruction.Opcode,
+ 3);
+ break;
+ case TGSI_OPCODE_END:
+ break;
+ default:
+ debug_printf("r300: vs: Bad opcode %d\n",
+ inst->Instruction.Opcode);
+ break;
+ }
+}
+
+void r300_translate_vertex_shader(struct r300_context* r300,
+ struct r300_vertex_shader* vs)
+{
+ struct tgsi_parse_context parser;
+ int i;
+ struct r300_constant_buffer* consts =
+ &r300->shader_constants[PIPE_SHADER_VERTEX];
+
+ struct r300_vs_asm* assembler = CALLOC_STRUCT(r300_vs_asm);
+ if (assembler == NULL) {
+ return;
+ }
+ /* Setup starting offset for immediates. */
+ assembler->imm_offset = consts->user_count;
+
+ tgsi_parse_init(&parser, vs->state.tokens);
+
+ while (!tgsi_parse_end_of_tokens(&parser)) {
+ tgsi_parse_token(&parser);
+
+ /* This is seriously the lamest way to create fragment programs ever.
+ * I blame TGSI. */
+ switch (parser.FullToken.Token.Type) {
+ case TGSI_TOKEN_TYPE_DECLARATION:
+ /* Allocated registers sitting at the beginning
+ * of the program. */
+ r300_vs_declare(assembler, &parser.FullToken.FullDeclaration);
+ break;
+ case TGSI_TOKEN_TYPE_IMMEDIATE:
+ debug_printf("r300: Emitting immediate to constant buffer, "
+ "position %d\n",
+ assembler->imm_offset + assembler->imm_count);
+ /* I am not amused by the length of these. */
+ for (i = 0; i < 4; i++) {
+ consts->constants[assembler->imm_offset +
+ assembler->imm_count][i] =
+ parser.FullToken.FullImmediate.u.ImmediateFloat32[i]
+ .Float;
+ }
+ assembler->imm_count++;
+ break;
+ case TGSI_TOKEN_TYPE_INSTRUCTION:
+ r300_vs_instruction(vs, assembler,
+ &parser.FullToken.FullInstruction);
+ break;
+ }
+ }
+
+ debug_printf("r300: vs: %d texs and %d colors, first free reg is %d\n",
+ assembler->tex_count, assembler->color_count,
+ assembler->tex_count + assembler->color_count);
+
+ consts->count = consts->user_count + assembler->imm_count;
+ debug_printf("r300: vs: %d total constants, "
+ "%d from user and %d from immediates\n", consts->count,
+ consts->user_count, assembler->imm_count);
+
+ debug_printf("r300: vs: tab: %d %d %d %d\n", assembler->tab[0],
+ assembler->tab[1], assembler->tab[2], assembler->tab[3]);
+
+ tgsi_dump(vs->state.tokens);
+ /* XXX finish r300 vertex shader dumper */
+ r300_vs_dump(vs);
+
+ tgsi_parse_free(&parser);
+ FREE(assembler);
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-08-19 03:54:45 +0000