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-rw-r--r--src/mesa/drivers/dri/i965/brw_defines.h31
-rw-r--r--src/mesa/drivers/dri/i965/brw_fs.cpp92
-rw-r--r--src/mesa/drivers/dri/i965/brw_shader.cpp25
3 files changed, 148 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index 2af7413d993..373d6b8f8ab 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -903,18 +903,49 @@ enum opcode {
SHADER_OPCODE_SIN,
SHADER_OPCODE_COS,
+ /**
+ * Texture sampling opcodes.
+ *
+ * LOGICAL opcodes are eventually translated to the matching non-LOGICAL
+ * opcode but instead of taking a single payload blob they expect their
+ * arguments separately as individual sources:
+ *
+ * Source 0: [optional] Texture coordinates.
+ * Source 1: [optional] Shadow comparitor.
+ * Source 2: [optional] dPdx if the operation takes explicit derivatives,
+ * otherwise LOD value.
+ * Source 3: [optional] dPdy if the operation takes explicit derivatives.
+ * Source 4: [optional] Sample index.
+ * Source 5: [optional] MCS data.
+ * Source 6: [required] Texture sampler.
+ * Source 7: [optional] Texel offset.
+ * Source 8: [required] Number of coordinate components (as UD immediate).
+ * Source 9: [required] Number derivative components (as UD immediate).
+ */
SHADER_OPCODE_TEX,
+ SHADER_OPCODE_TEX_LOGICAL,
SHADER_OPCODE_TXD,
+ SHADER_OPCODE_TXD_LOGICAL,
SHADER_OPCODE_TXF,
+ SHADER_OPCODE_TXF_LOGICAL,
SHADER_OPCODE_TXL,
+ SHADER_OPCODE_TXL_LOGICAL,
SHADER_OPCODE_TXS,
+ SHADER_OPCODE_TXS_LOGICAL,
FS_OPCODE_TXB,
+ FS_OPCODE_TXB_LOGICAL,
SHADER_OPCODE_TXF_CMS,
+ SHADER_OPCODE_TXF_CMS_LOGICAL,
SHADER_OPCODE_TXF_UMS,
+ SHADER_OPCODE_TXF_UMS_LOGICAL,
SHADER_OPCODE_TXF_MCS,
+ SHADER_OPCODE_TXF_MCS_LOGICAL,
SHADER_OPCODE_LOD,
+ SHADER_OPCODE_LOD_LOGICAL,
SHADER_OPCODE_TG4,
+ SHADER_OPCODE_TG4_LOGICAL,
SHADER_OPCODE_TG4_OFFSET,
+ SHADER_OPCODE_TG4_OFFSET_LOGICAL,
/**
* Combines multiple sources of size 1 into a larger virtual GRF.
diff --git a/src/mesa/drivers/dri/i965/brw_fs.cpp b/src/mesa/drivers/dri/i965/brw_fs.cpp
index 936f0d19706..d9096f1b4cf 100644
--- a/src/mesa/drivers/dri/i965/brw_fs.cpp
+++ b/src/mesa/drivers/dri/i965/brw_fs.cpp
@@ -686,6 +686,31 @@ fs_inst::components_read(unsigned i) const
else
return 1;
+ case SHADER_OPCODE_TEX_LOGICAL:
+ case SHADER_OPCODE_TXD_LOGICAL:
+ case SHADER_OPCODE_TXF_LOGICAL:
+ case SHADER_OPCODE_TXL_LOGICAL:
+ case SHADER_OPCODE_TXS_LOGICAL:
+ case FS_OPCODE_TXB_LOGICAL:
+ case SHADER_OPCODE_TXF_CMS_LOGICAL:
+ case SHADER_OPCODE_TXF_UMS_LOGICAL:
+ case SHADER_OPCODE_TXF_MCS_LOGICAL:
+ case SHADER_OPCODE_LOD_LOGICAL:
+ case SHADER_OPCODE_TG4_LOGICAL:
+ case SHADER_OPCODE_TG4_OFFSET_LOGICAL:
+ assert(src[8].file == IMM && src[9].file == IMM);
+ /* Texture coordinates. */
+ if (i == 0)
+ return src[8].fixed_hw_reg.dw1.ud;
+ /* Texture derivatives. */
+ else if ((i == 2 || i == 3) && opcode == SHADER_OPCODE_TXD_LOGICAL)
+ return src[9].fixed_hw_reg.dw1.ud;
+ /* Texture offset. */
+ else if (i == 7)
+ return 2;
+ else
+ return 1;
+
default:
return 1;
}
@@ -3361,6 +3386,25 @@ lower_fb_write_logical_send(const fs_builder &bld, fs_inst *inst,
inst->header_size = header_size;
}
+static void
+lower_sampler_logical_send(const fs_builder &bld, fs_inst *inst, opcode op)
+{
+ const brw_device_info *devinfo = bld.shader->devinfo;
+ const fs_reg &coordinate = inst->src[0];
+ const fs_reg &shadow_c = inst->src[1];
+ const fs_reg &lod = inst->src[2];
+ const fs_reg &lod2 = inst->src[3];
+ const fs_reg &sample_index = inst->src[4];
+ const fs_reg &mcs = inst->src[5];
+ const fs_reg &sampler = inst->src[6];
+ const fs_reg &offset_value = inst->src[7];
+ assert(inst->src[8].file == IMM && inst->src[9].file == IMM);
+ const unsigned coord_components = inst->src[8].fixed_hw_reg.dw1.ud;
+ const unsigned grad_components = inst->src[9].fixed_hw_reg.dw1.ud;
+
+ assert(!"Not implemented");
+}
+
bool
fs_visitor::lower_logical_sends()
{
@@ -3380,6 +3424,54 @@ fs_visitor::lower_logical_sends()
payload);
break;
+ case SHADER_OPCODE_TEX_LOGICAL:
+ lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_TEX);
+ break;
+
+ case SHADER_OPCODE_TXD_LOGICAL:
+ lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_TXD);
+ break;
+
+ case SHADER_OPCODE_TXF_LOGICAL:
+ lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_TXF);
+ break;
+
+ case SHADER_OPCODE_TXL_LOGICAL:
+ lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_TXL);
+ break;
+
+ case SHADER_OPCODE_TXS_LOGICAL:
+ lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_TXS);
+ break;
+
+ case FS_OPCODE_TXB_LOGICAL:
+ lower_sampler_logical_send(ibld, inst, FS_OPCODE_TXB);
+ break;
+
+ case SHADER_OPCODE_TXF_CMS_LOGICAL:
+ lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_TXF_CMS);
+ break;
+
+ case SHADER_OPCODE_TXF_UMS_LOGICAL:
+ lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_TXF_UMS);
+ break;
+
+ case SHADER_OPCODE_TXF_MCS_LOGICAL:
+ lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_TXF_MCS);
+ break;
+
+ case SHADER_OPCODE_LOD_LOGICAL:
+ lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_LOD);
+ break;
+
+ case SHADER_OPCODE_TG4_LOGICAL:
+ lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_TG4);
+ break;
+
+ case SHADER_OPCODE_TG4_OFFSET_LOGICAL:
+ lower_sampler_logical_send(ibld, inst, SHADER_OPCODE_TG4_OFFSET);
+ break;
+
default:
continue;
}
diff --git a/src/mesa/drivers/dri/i965/brw_shader.cpp b/src/mesa/drivers/dri/i965/brw_shader.cpp
index 1e660d71cfc..9e3a9740d74 100644
--- a/src/mesa/drivers/dri/i965/brw_shader.cpp
+++ b/src/mesa/drivers/dri/i965/brw_shader.cpp
@@ -567,28 +567,53 @@ brw_instruction_name(enum opcode op)
case SHADER_OPCODE_TEX:
return "tex";
+ case SHADER_OPCODE_TEX_LOGICAL:
+ return "tex_logical";
case SHADER_OPCODE_TXD:
return "txd";
+ case SHADER_OPCODE_TXD_LOGICAL:
+ return "txd_logical";
case SHADER_OPCODE_TXF:
return "txf";
+ case SHADER_OPCODE_TXF_LOGICAL:
+ return "txf_logical";
case SHADER_OPCODE_TXL:
return "txl";
+ case SHADER_OPCODE_TXL_LOGICAL:
+ return "txl_logical";
case SHADER_OPCODE_TXS:
return "txs";
+ case SHADER_OPCODE_TXS_LOGICAL:
+ return "txs_logical";
case FS_OPCODE_TXB:
return "txb";
+ case FS_OPCODE_TXB_LOGICAL:
+ return "txb_logical";
case SHADER_OPCODE_TXF_CMS:
return "txf_cms";
+ case SHADER_OPCODE_TXF_CMS_LOGICAL:
+ return "txf_cms_logical";
case SHADER_OPCODE_TXF_UMS:
return "txf_ums";
+ case SHADER_OPCODE_TXF_UMS_LOGICAL:
+ return "txf_ums_logical";
case SHADER_OPCODE_TXF_MCS:
return "txf_mcs";
+ case SHADER_OPCODE_TXF_MCS_LOGICAL:
+ return "txf_mcs_logical";
case SHADER_OPCODE_LOD:
return "lod";
+ case SHADER_OPCODE_LOD_LOGICAL:
+ return "lod_logical";
case SHADER_OPCODE_TG4:
return "tg4";
+ case SHADER_OPCODE_TG4_LOGICAL:
+ return "tg4_logical";
case SHADER_OPCODE_TG4_OFFSET:
return "tg4_offset";
+ case SHADER_OPCODE_TG4_OFFSET_LOGICAL:
+ return "tg4_offset_logical";
+
case SHADER_OPCODE_SHADER_TIME_ADD:
return "shader_time_add";
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 10:18:09 +0000