#include "tgsi/tgsi_parse.h"
#include "tgsi/tgsi_dump.h"
#include "tgsi/tgsi_scan.h"
+#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_bitmask.h"
#include "svgadump/svga_shader_dump.h"
#include "svga_context.h"
+#include "svga_shader.h"
#include "svga_tgsi.h"
#include "svga_tgsi_emit.h"
#include "svga_debug.h"
*/
static char err_buf[128];
-#if 0
-static void svga_destroy_shader_emitter( struct svga_shader_emitter *emit )
-{
- if (emit->buf != err_buf)
- FREE(emit->buf);
-}
-#endif
-
-static boolean svga_shader_expand( struct svga_shader_emitter *emit )
+static boolean
+svga_shader_expand(struct svga_shader_emitter *emit)
{
char *new_buf;
unsigned newsize = emit->size * 2;
- if(emit->buf != err_buf)
+ if (emit->buf != err_buf)
new_buf = REALLOC(emit->buf, emit->size, newsize);
else
new_buf = NULL;
- if (new_buf == NULL) {
+ if (!new_buf) {
emit->ptr = err_buf;
emit->buf = err_buf;
emit->size = sizeof(err_buf);
emit->ptr = new_buf + (emit->ptr - emit->buf);
emit->buf = new_buf;
return TRUE;
-}
+}
+
-static INLINE boolean reserve( struct svga_shader_emitter *emit,
- unsigned nr_dwords )
+static inline boolean
+reserve(struct svga_shader_emitter *emit, unsigned nr_dwords)
{
if (emit->ptr - emit->buf + nr_dwords * sizeof(unsigned) >= emit->size) {
- if (!svga_shader_expand( emit ))
+ if (!svga_shader_expand(emit)) {
return FALSE;
+ }
}
return TRUE;
}
-boolean svga_shader_emit_dword( struct svga_shader_emitter *emit,
- unsigned dword )
+
+boolean
+svga_shader_emit_dword(struct svga_shader_emitter * emit, unsigned dword)
{
if (!reserve(emit, 1))
return FALSE;
- *(unsigned *)emit->ptr = dword;
+ *(unsigned *) emit->ptr = dword;
emit->ptr += sizeof dword;
return TRUE;
}
-boolean svga_shader_emit_dwords( struct svga_shader_emitter *emit,
- const unsigned *dwords,
- unsigned nr )
+
+boolean
+svga_shader_emit_dwords(struct svga_shader_emitter * emit,
+ const unsigned *dwords, unsigned nr)
{
if (!reserve(emit, nr))
return FALSE;
- memcpy( emit->ptr, dwords, nr * sizeof *dwords );
+ memcpy(emit->ptr, dwords, nr * sizeof *dwords);
emit->ptr += nr * sizeof *dwords;
return TRUE;
}
-boolean svga_shader_emit_opcode( struct svga_shader_emitter *emit,
- unsigned opcode )
+
+boolean
+svga_shader_emit_opcode(struct svga_shader_emitter * emit, unsigned opcode)
{
SVGA3dShaderInstToken *here;
if (!reserve(emit, 1))
return FALSE;
- here = (SVGA3dShaderInstToken *)emit->ptr;
+ here = (SVGA3dShaderInstToken *) emit->ptr;
here->value = opcode;
if (emit->insn_offset) {
- SVGA3dShaderInstToken *prev = (SVGA3dShaderInstToken *)(emit->buf +
- emit->insn_offset);
+ SVGA3dShaderInstToken *prev =
+ (SVGA3dShaderInstToken *) (emit->buf + emit->insn_offset);
prev->size = (here - prev) - 1;
}
-
+
emit->insn_offset = emit->ptr - emit->buf;
emit->ptr += sizeof(unsigned);
return TRUE;
}
-static boolean svga_shader_emit_header( struct svga_shader_emitter *emit )
+static boolean
+svga_shader_emit_header(struct svga_shader_emitter *emit)
{
SVGA3dShaderVersion header;
- memset( &header, 0, sizeof header );
+ memset(&header, 0, sizeof header);
switch (emit->unit) {
case PIPE_SHADER_FRAGMENT:
header.value = SVGA3D_VS_30;
break;
}
-
- return svga_shader_emit_dword( emit, header.value );
-}
-
-
+ return svga_shader_emit_dword(emit, header.value);
+}
-/* Parse TGSI shader and translate to SVGA/DX9 serialized
- * representation.
+/**
+ * Parse TGSI shader and translate to SVGA/DX9 serialized
+ * representation.
*
* In this function SVGA shader is emitted to an in-memory buffer that
* can be dynamically grown. Once we've finished and know how large
* it is, it will be copied to a hardware buffer for upload.
*/
-static struct svga_shader_result *
-svga_tgsi_translate( const struct svga_shader *shader,
- union svga_compile_key key,
- unsigned unit )
+struct svga_shader_variant *
+svga_tgsi_vgpu9_translate(struct svga_context *svga,
+ const struct svga_shader *shader,
+ const struct svga_compile_key *key,
+ enum pipe_shader_type unit)
{
- struct svga_shader_result *result = NULL;
+ struct svga_shader_variant *variant = NULL;
struct svga_shader_emitter emit;
+ SVGA_STATS_TIME_PUSH(svga_sws(svga), SVGA_STATS_TIME_TGSIVGPU9TRANSLATE);
+
memset(&emit, 0, sizeof(emit));
emit.size = 1024;
emit.ptr = emit.buf;
emit.unit = unit;
- emit.key = key;
+ emit.key = *key;
- tgsi_scan_shader( shader->tokens, &emit.info);
+ tgsi_scan_shader(shader->tokens, &emit.info);
emit.imm_start = emit.info.file_max[TGSI_FILE_CONSTANT] + 1;
-
+
if (unit == PIPE_SHADER_FRAGMENT)
- emit.imm_start += key.fkey.num_unnormalized_coords;
+ emit.imm_start += key->num_unnormalized_coords;
if (unit == PIPE_SHADER_VERTEX) {
- emit.imm_start += key.vkey.need_prescale ? 2 : 0;
- emit.imm_start += key.vkey.num_zero_stride_vertex_elements;
+ emit.imm_start += key->vs.need_prescale ? 2 : 0;
}
- emit.nr_hw_float_const = (emit.imm_start + emit.info.file_max[TGSI_FILE_IMMEDIATE] + 1);
+ emit.nr_hw_float_const =
+ (emit.imm_start + emit.info.file_max[TGSI_FILE_IMMEDIATE] + 1);
emit.nr_hw_temp = emit.info.file_max[TGSI_FILE_TEMPORARY] + 1;
- emit.in_main_func = TRUE;
- if (!svga_shader_emit_header( &emit ))
+ if (emit.nr_hw_temp >= SVGA3D_TEMPREG_MAX) {
+ debug_printf("svga: too many temporary registers (%u)\n",
+ emit.nr_hw_temp);
goto fail;
+ }
- if (!svga_shader_emit_instructions( &emit, shader->tokens ))
- goto fail;
-
- result = CALLOC_STRUCT(svga_shader_result);
- if (result == NULL)
+ if (emit.info.indirect_files & (1 << TGSI_FILE_TEMPORARY)) {
+ debug_printf(
+ "svga: indirect indexing of temporary registers is not supported.\n");
goto fail;
-
- result->shader = shader;
- result->tokens = (const unsigned *)emit.buf;
- result->nr_tokens = (emit.ptr - emit.buf) / sizeof(unsigned);
- memcpy(&result->key, &key, sizeof key);
- result->id = UTIL_BITMASK_INVALID_INDEX;
-
- if (SVGA_DEBUG & DEBUG_TGSI)
- {
- debug_printf( "#####################################\n" );
- debug_printf( "Shader %u below\n", shader->id );
- tgsi_dump( shader->tokens, 0 );
- if (SVGA_DEBUG & DEBUG_TGSI) {
- debug_printf( "Shader %u compiled below\n", shader->id );
- svga_shader_dump( result->tokens,
- result->nr_tokens ,
- FALSE );
- }
- debug_printf( "#####################################\n" );
}
- return result;
+ emit.in_main_func = TRUE;
-fail:
- FREE(result);
- FREE(emit.buf);
- return NULL;
-}
+ if (!svga_shader_emit_header(&emit)) {
+ debug_printf("svga: emit header failed\n");
+ goto fail;
+ }
+ if (!svga_shader_emit_instructions(&emit, shader->tokens)) {
+ debug_printf("svga: emit instructions failed\n");
+ goto fail;
+ }
+ variant = svga_new_shader_variant(svga, unit);
+ if (!variant)
+ goto fail;
+ variant->shader = shader;
+ variant->tokens = (const unsigned *) emit.buf;
+ variant->nr_tokens = (emit.ptr - emit.buf) / sizeof(unsigned);
+ memcpy(&variant->key, key, sizeof(*key));
+ variant->id = UTIL_BITMASK_INVALID_INDEX;
-struct svga_shader_result *
-svga_translate_fragment_program( const struct svga_fragment_shader *fs,
- const struct svga_fs_compile_key *fkey )
-{
- union svga_compile_key key;
- memcpy(&key.fkey, fkey, sizeof *fkey);
+ if (unit == PIPE_SHADER_FRAGMENT) {
+ struct svga_fs_variant *fs_variant = svga_fs_variant(variant);
- return svga_tgsi_translate( &fs->base,
- key,
- PIPE_SHADER_FRAGMENT );
-}
+ fs_variant->pstipple_sampler_unit = emit.pstipple_sampler_unit;
-struct svga_shader_result *
-svga_translate_vertex_program( const struct svga_vertex_shader *vs,
- const struct svga_vs_compile_key *vkey )
-{
- union svga_compile_key key;
- memcpy(&key.vkey, vkey, sizeof *vkey);
+ /* If there was exactly one write to a fragment shader output register
+ * and it came from a constant buffer, we know all fragments will have
+ * the same color (except for blending).
+ */
+ fs_variant->constant_color_output =
+ emit.constant_color_output && emit.num_output_writes == 1;
+ }
- return svga_tgsi_translate( &vs->base,
- key,
- PIPE_SHADER_VERTEX );
-}
+#if 0
+ if (!svga_shader_verify(variant->tokens, variant->nr_tokens) ||
+ SVGA_DEBUG & DEBUG_TGSI) {
+ debug_printf("#####################################\n");
+ debug_printf("Shader %u below\n", shader->id);
+ tgsi_dump(shader->tokens, 0);
+ if (SVGA_DEBUG & DEBUG_TGSI) {
+ debug_printf("Shader %u compiled below\n", shader->id);
+ svga_shader_dump(variant->tokens, variant->nr_tokens, FALSE);
+ }
+ debug_printf("#####################################\n");
+ }
+#endif
+ goto done;
-void svga_destroy_shader_result( struct svga_shader_result *result )
-{
- FREE((unsigned *)result->tokens);
- FREE(result);
+fail:
+ FREE(variant);
+ if (emit.buf != err_buf)
+ FREE(emit.buf);
+ variant = NULL;
+
+done:
+ SVGA_STATS_TIME_POP(svga_sws(svga));
+ return variant;
}
-