wined3d: Introduce a common GLSL handler for scalar instructions.
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@ -2588,33 +2588,6 @@ static void shader_glsl_pow(const struct wined3d_shader_instruction *ins)
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}
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}
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/* Process the WINED3DSIO_LOG instruction in GLSL (dst = log2(|src0|))
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* Src0 is a scalar. Note that D3D uses the absolute of src0, while
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* GLSL uses the value as-is. */
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static void shader_glsl_log(const struct wined3d_shader_instruction *ins)
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{
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struct wined3d_shader_buffer *buffer = ins->ctx->buffer;
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struct glsl_src_param src0_param;
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DWORD dst_write_mask;
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unsigned int dst_size;
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dst_write_mask = shader_glsl_append_dst(buffer, ins);
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dst_size = shader_glsl_get_write_mask_size(dst_write_mask);
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shader_glsl_add_src_param(ins, &ins->src[0], WINED3DSP_WRITEMASK_3, &src0_param);
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if (dst_size > 1)
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{
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shader_addline(buffer, "vec%u(log2(abs(%s))));\n",
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dst_size, src0_param.param_str);
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}
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else
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{
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shader_addline(buffer, "log2(abs(%s)));\n",
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src0_param.param_str);
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}
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}
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/* Map the opcode 1-to-1 to the GL code (arg->dst = instruction(src0, src1, ...) */
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static void shader_glsl_map2gl(const struct wined3d_shader_instruction *ins)
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{
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@ -2688,22 +2661,54 @@ static void shader_glsl_nrm(const struct wined3d_shader_instruction *ins)
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}
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}
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static void shader_glsl_exp(const struct wined3d_shader_instruction *ins)
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static void shader_glsl_scalar_op(const struct wined3d_shader_instruction *ins)
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{
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struct wined3d_shader_buffer *buffer = ins->ctx->buffer;
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struct glsl_src_param src0_param;
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DWORD dst_write_mask;
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const char *prefix, *suffix;
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unsigned int dst_size;
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DWORD dst_write_mask;
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dst_write_mask = shader_glsl_append_dst(buffer, ins);
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dst_size = shader_glsl_get_write_mask_size(dst_write_mask);
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shader_glsl_add_src_param(ins, &ins->src[0], WINED3DSP_WRITEMASK_3, &src0_param);
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switch (ins->handler_idx)
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{
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case WINED3DSIH_EXP:
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case WINED3DSIH_EXPP:
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prefix = "exp2(";
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suffix = ")";
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break;
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case WINED3DSIH_LOG:
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case WINED3DSIH_LOGP:
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prefix = "log2(abs(";
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suffix = "))";
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break;
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case WINED3DSIH_RCP:
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prefix = "1.0 / ";
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suffix = "";
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break;
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case WINED3DSIH_RSQ:
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prefix = "inversesqrt(abs(";
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suffix = "))";
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break;
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default:
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prefix = "";
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suffix = "";
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FIXME("Unhandled instruction %#x.\n", ins->handler_idx);
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break;
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}
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if (dst_size > 1)
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shader_addline(buffer, "vec%u(exp2(%s)));\n", dst_size, src0_param.param_str);
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shader_addline(buffer, "vec%u(%s%s%s));\n", dst_size, prefix, src0_param.param_str, suffix);
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else
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shader_addline(buffer, "exp2(%s));\n", src0_param.param_str);
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shader_addline(buffer, "%s%s%s);\n", prefix, src0_param.param_str, suffix);
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}
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/** Process the WINED3DSIO_EXPP instruction in GLSL:
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@ -2717,14 +2722,13 @@ static void shader_glsl_exp(const struct wined3d_shader_instruction *ins)
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*/
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static void shader_glsl_expp(const struct wined3d_shader_instruction *ins)
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{
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struct glsl_src_param src_param;
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shader_glsl_add_src_param(ins, &ins->src[0], WINED3DSP_WRITEMASK_3, &src_param);
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if (ins->ctx->reg_maps->shader_version.major < 2)
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{
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struct glsl_src_param src_param;
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char dst_mask[6];
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shader_glsl_add_src_param(ins, &ins->src[0], WINED3DSP_WRITEMASK_3, &src_param);
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shader_addline(ins->ctx->buffer, "tmp0.x = exp2(floor(%s));\n", src_param.param_str);
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shader_addline(ins->ctx->buffer, "tmp0.y = %s - floor(%s);\n", src_param.param_str, src_param.param_str);
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shader_addline(ins->ctx->buffer, "tmp0.z = exp2(%s);\n", src_param.param_str);
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@ -2733,19 +2737,10 @@ static void shader_glsl_expp(const struct wined3d_shader_instruction *ins)
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shader_glsl_append_dst(ins->ctx->buffer, ins);
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shader_glsl_get_write_mask(&ins->dst[0], dst_mask);
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shader_addline(ins->ctx->buffer, "tmp0%s);\n", dst_mask);
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} else {
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DWORD write_mask;
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unsigned int mask_size;
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write_mask = shader_glsl_append_dst(ins->ctx->buffer, ins);
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mask_size = shader_glsl_get_write_mask_size(write_mask);
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if (mask_size > 1) {
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shader_addline(ins->ctx->buffer, "vec%d(exp2(%s)));\n", mask_size, src_param.param_str);
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} else {
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shader_addline(ins->ctx->buffer, "exp2(%s));\n", src_param.param_str);
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}
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return;
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}
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shader_glsl_scalar_op(ins);
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}
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static void shader_glsl_to_int(const struct wined3d_shader_instruction *ins)
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@ -2782,53 +2777,6 @@ static void shader_glsl_to_float(const struct wined3d_shader_instruction *ins)
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shader_addline(buffer, "float(%s));\n", src_param.param_str);
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}
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/** Process the RCP (reciprocal or inverse) opcode in GLSL (dst = 1 / src) */
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static void shader_glsl_rcp(const struct wined3d_shader_instruction *ins)
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{
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struct glsl_src_param src_param;
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DWORD write_mask;
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unsigned int mask_size;
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write_mask = shader_glsl_append_dst(ins->ctx->buffer, ins);
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mask_size = shader_glsl_get_write_mask_size(write_mask);
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shader_glsl_add_src_param(ins, &ins->src[0], WINED3DSP_WRITEMASK_3, &src_param);
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if (mask_size > 1)
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{
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shader_addline(ins->ctx->buffer, "vec%u(1.0 / %s));\n",
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mask_size, src_param.param_str);
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}
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else
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{
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shader_addline(ins->ctx->buffer, "1.0 / %s);\n",
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src_param.param_str);
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}
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}
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static void shader_glsl_rsq(const struct wined3d_shader_instruction *ins)
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{
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struct wined3d_shader_buffer *buffer = ins->ctx->buffer;
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struct glsl_src_param src_param;
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DWORD write_mask;
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unsigned int mask_size;
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write_mask = shader_glsl_append_dst(buffer, ins);
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mask_size = shader_glsl_get_write_mask_size(write_mask);
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shader_glsl_add_src_param(ins, &ins->src[0], WINED3DSP_WRITEMASK_3, &src_param);
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if (mask_size > 1)
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{
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shader_addline(buffer, "vec%u(inversesqrt(abs(%s))));\n",
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mask_size, src_param.param_str);
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}
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else
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{
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shader_addline(buffer, "inversesqrt(abs(%s)));\n",
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src_param.param_str);
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}
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}
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/** Process signed comparison opcodes in GLSL. */
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static void shader_glsl_compare(const struct wined3d_shader_instruction *ins)
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{
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@ -6688,7 +6636,7 @@ static const SHADER_HANDLER shader_glsl_instruction_handler_table[WINED3DSIH_TAB
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/* WINED3DSIH_ENDLOOP */ shader_glsl_end,
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/* WINED3DSIH_ENDREP */ shader_glsl_end,
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/* WINED3DSIH_EQ */ shader_glsl_relop,
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/* WINED3DSIH_EXP */ shader_glsl_exp,
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/* WINED3DSIH_EXP */ shader_glsl_scalar_op,
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/* WINED3DSIH_EXPP */ shader_glsl_expp,
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/* WINED3DSIH_FRC */ shader_glsl_map2gl,
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/* WINED3DSIH_FTOI */ shader_glsl_to_int,
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@ -6703,8 +6651,8 @@ static const SHADER_HANDLER shader_glsl_instruction_handler_table[WINED3DSIH_TAB
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/* WINED3DSIH_LABEL */ shader_glsl_label,
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/* WINED3DSIH_LD */ NULL,
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/* WINED3DSIH_LIT */ shader_glsl_lit,
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/* WINED3DSIH_LOG */ shader_glsl_log,
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/* WINED3DSIH_LOGP */ shader_glsl_log,
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/* WINED3DSIH_LOG */ shader_glsl_scalar_op,
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/* WINED3DSIH_LOGP */ shader_glsl_scalar_op,
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/* WINED3DSIH_LOOP */ shader_glsl_loop,
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/* WINED3DSIH_LRP */ shader_glsl_lrp,
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/* WINED3DSIH_LT */ shader_glsl_relop,
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@ -6724,11 +6672,11 @@ static const SHADER_HANDLER shader_glsl_instruction_handler_table[WINED3DSIH_TAB
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/* WINED3DSIH_NRM */ shader_glsl_nrm,
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/* WINED3DSIH_PHASE */ shader_glsl_nop,
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/* WINED3DSIH_POW */ shader_glsl_pow,
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/* WINED3DSIH_RCP */ shader_glsl_rcp,
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/* WINED3DSIH_RCP */ shader_glsl_scalar_op,
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/* WINED3DSIH_REP */ shader_glsl_rep,
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/* WINED3DSIH_RET */ shader_glsl_ret,
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/* WINED3DSIH_ROUND_NI */ shader_glsl_map2gl,
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/* WINED3DSIH_RSQ */ shader_glsl_rsq,
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/* WINED3DSIH_RSQ */ shader_glsl_scalar_op,
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/* WINED3DSIH_SAMPLE */ NULL,
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/* WINED3DSIH_SAMPLE_GRAD */ NULL,
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/* WINED3DSIH_SAMPLE_LOD */ NULL,
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