#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_prim.h"
+#include "tgsi/tgsi_info.h"
#include "tgsi/tgsi_parse.h"
#include "tgsi/tgsi_util.h"
#include "tgsi/tgsi_scan.h"
+static bool
+is_memory_file(unsigned file)
+{
+ return file == TGSI_FILE_SAMPLER ||
+ file == TGSI_FILE_SAMPLER_VIEW ||
+ file == TGSI_FILE_IMAGE ||
+ file == TGSI_FILE_BUFFER;
+}
+
+
+/**
+ * Is the opcode a "true" texture instruction which samples from a
+ * texture map?
+ */
+static bool
+is_texture_inst(unsigned opcode)
+{
+ return (opcode != TGSI_OPCODE_TXQ &&
+ opcode != TGSI_OPCODE_TXQS &&
+ opcode != TGSI_OPCODE_TXQ_LZ &&
+ opcode != TGSI_OPCODE_LODQ &&
+ tgsi_get_opcode_info(opcode)->is_tex);
+}
static void
scan_instruction(struct tgsi_shader_info *info,
unsigned *current_depth)
{
unsigned i;
+ bool is_mem_inst = false;
assert(fullinst->Instruction.Opcode < TGSI_OPCODE_LAST);
info->opcode_count[fullinst->Instruction.Opcode]++;
info->indirect_files_read |= (1 << src->Register.File);
}
- /* MSAA samplers */
+ /* Texture samplers */
if (src->Register.File == TGSI_FILE_SAMPLER) {
+ const unsigned index = src->Register.Index;
+
assert(fullinst->Instruction.Texture);
- assert(src->Register.Index < Elements(info->is_msaa_sampler));
+ assert(index < Elements(info->is_msaa_sampler));
+ assert(index < PIPE_MAX_SAMPLERS);
+
+ if (is_texture_inst(fullinst->Instruction.Opcode)) {
+ const unsigned target = fullinst->Texture.Texture;
+ assert(target < TGSI_TEXTURE_UNKNOWN);
+ /* for texture instructions, check that the texture instruction
+ * target matches the previous sampler view declaration (if there
+ * was one.)
+ */
+ if (info->sampler_targets[index] == TGSI_TEXTURE_UNKNOWN) {
+ /* probably no sampler view declaration */
+ info->sampler_targets[index] = target;
+ } else {
+ /* Make sure the texture instruction's sampler/target info
+ * agrees with the sampler view declaration.
+ */
+ assert(info->sampler_targets[index] == target);
+ }
+ /* MSAA samplers */
+ if (target == TGSI_TEXTURE_2D_MSAA ||
+ target == TGSI_TEXTURE_2D_ARRAY_MSAA) {
+ info->is_msaa_sampler[src->Register.Index] = TRUE;
+ }
+ }
+ }
+
+ if (is_memory_file(src->Register.File)) {
+ is_mem_inst = true;
- if (fullinst->Instruction.Texture &&
- (fullinst->Texture.Texture == TGSI_TEXTURE_2D_MSAA ||
- fullinst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY_MSAA)) {
- info->is_msaa_sampler[src->Register.Index] = TRUE;
+ if (tgsi_get_opcode_info(fullinst->Instruction.Opcode)->is_store) {
+ info->writes_memory = TRUE;
+
+ if (src->Register.File == TGSI_FILE_IMAGE &&
+ !src->Register.Indirect)
+ info->images_writemask |= 1 << src->Register.Index;
}
}
}
info->indirect_files |= (1 << dst->Register.File);
info->indirect_files_written |= (1 << dst->Register.File);
}
+
+ if (is_memory_file(dst->Register.File)) {
+ assert(fullinst->Instruction.Opcode == TGSI_OPCODE_STORE);
+
+ is_mem_inst = true;
+ info->writes_memory = TRUE;
+
+ if (dst->Register.File == TGSI_FILE_IMAGE &&
+ !dst->Register.Indirect)
+ info->images_writemask |= 1 << dst->Register.Index;
+ }
}
+ if (is_mem_inst)
+ info->num_memory_instructions++;
+
info->num_instructions++;
}
info->input_interpolate[reg] = (ubyte)fulldecl->Interp.Interpolate;
info->input_interpolate_loc[reg] = (ubyte)fulldecl->Interp.Location;
info->input_cylindrical_wrap[reg] = (ubyte)fulldecl->Interp.CylindricalWrap;
- info->num_inputs++;
+
+ /* Vertex shaders can have inputs with holes between them. */
+ if (info->processor == TGSI_PROCESSOR_VERTEX)
+ info->num_inputs = MAX2(info->num_inputs, reg + 1);
+ else {
+ info->num_inputs++;
+ assert(reg < info->num_inputs);
+ }
/* Only interpolated varyings. Don't include POSITION.
* Don't include integer varyings, because they are not
info->output_semantic_name[reg] = (ubyte) semName;
info->output_semantic_index[reg] = (ubyte) semIndex;
info->num_outputs++;
+ assert(reg < info->num_outputs);
if (semName == TGSI_SEMANTIC_COLOR)
info->colors_written |= 1 << semIndex;
}
} else if (file == TGSI_FILE_SAMPLER) {
info->samplers_declared |= 1 << reg;
+ } else if (file == TGSI_FILE_SAMPLER_VIEW) {
+ unsigned target = fulldecl->SamplerView.Resource;
+ assert(target < TGSI_TEXTURE_UNKNOWN);
+ if (info->sampler_targets[reg] == TGSI_TEXTURE_UNKNOWN) {
+ /* Save sampler target for this sampler index */
+ info->sampler_targets[reg] = target;
+ } else {
+ /* if previously declared, make sure targets agree */
+ assert(info->sampler_targets[reg] == target);
+ }
+ } else if (file == TGSI_FILE_IMAGE) {
+ if (fulldecl->Image.Resource == TGSI_TEXTURE_BUFFER)
+ info->images_buffers |= 1 << reg;
}
}
}
for (i = 0; i < Elements(info->const_file_max); i++)
info->const_file_max[i] = -1;
info->properties[TGSI_PROPERTY_GS_INVOCATIONS] = 1;
+ for (i = 0; i < Elements(info->sampler_targets); i++)
+ info->sampler_targets[i] = TGSI_TEXTURE_UNKNOWN;
/**
** Setup to begin parsing input shader
procType == TGSI_PROCESSOR_COMPUTE);
info->processor = procType;
-
/**
** Loop over incoming program tokens/instructions
*/
- while( !tgsi_parse_end_of_tokens( &parse ) ) {
-
+ while (!tgsi_parse_end_of_tokens(&parse)) {
info->num_tokens++;
tgsi_parse_token( &parse );
}
}
- tgsi_parse_free (&parse);
+ tgsi_parse_free(&parse);
}
projects / mesa.git / blobdiff