#include "util/u_memory.h"
#include "svga_tgsi_emit.h"
-#include "svga_context.h"
-static boolean translate_vs_ps_semantic( struct tgsi_declaration_semantic semantic,
- unsigned *usage,
- unsigned *idx )
+
+/**
+ * Translate TGSI semantic info into SVGA3d semantic info.
+ * This is called for VS outputs and PS inputs only.
+ */
+static boolean
+translate_vs_ps_semantic(struct svga_shader_emitter *emit,
+ struct tgsi_declaration_semantic semantic,
+ unsigned *usage,
+ unsigned *idx)
{
switch (semantic.Name) {
case TGSI_SEMANTIC_POSITION:
*usage = SVGA3D_DECLUSAGE_POSITION;
break;
case TGSI_SEMANTIC_COLOR:
-
*idx = semantic.Index;
*usage = SVGA3D_DECLUSAGE_COLOR;
break;
*usage = SVGA3D_DECLUSAGE_PSIZE;
break;
case TGSI_SEMANTIC_GENERIC:
- *idx = semantic.Index + 1; /* texcoord[0] is reserved for fog */
+ *idx = svga_remap_generic_index(emit->key.generic_remap_table,
+ semantic.Index);
*usage = SVGA3D_DECLUSAGE_TEXCOORD;
break;
case TGSI_SEMANTIC_NORMAL:
*idx = semantic.Index;
*usage = SVGA3D_DECLUSAGE_NORMAL;
break;
+ case TGSI_SEMANTIC_CLIPDIST:
+ case TGSI_SEMANTIC_CLIPVERTEX:
+ /* XXX at this time we don't support clip distance or clip vertices */
+ debug_warn_once("unsupported clip distance/vertex attribute\n");
+ *usage = SVGA3D_DECLUSAGE_TEXCOORD;
+ *idx = 0;
+ return TRUE;
default:
assert(0);
*usage = SVGA3D_DECLUSAGE_TEXCOORD;
}
-static boolean emit_decl( struct svga_shader_emitter *emit,
- SVGA3dShaderDestToken reg,
- unsigned usage,
- unsigned index )
+/**
+ * Emit a PS input (or VS depth/fog output) register declaration.
+ * For example, if usage = SVGA3D_DECLUSAGE_TEXCOORD, reg.num = 1, and
+ * index = 3, we'll emit "dcl_texcoord3 v1".
+ */
+static boolean
+emit_decl(struct svga_shader_emitter *emit,
+ SVGA3dShaderDestToken reg,
+ unsigned usage,
+ unsigned index)
{
SVGA3DOpDclArgs dcl;
SVGA3dShaderInstToken opcode;
+ /* check values against bitfield sizes */
+ assert(index < 16);
+ assert(usage <= SVGA3D_DECLUSAGE_MAX);
+
opcode = inst_token( SVGA3DOP_DCL );
dcl.values[0] = 0;
dcl.values[1] = 0;
dcl.index = index;
dcl.values[0] |= 1<<31;
- return (emit_instruction(emit, opcode) &&
- svga_shader_emit_dwords( emit, dcl.values, Elements(dcl.values)));
+ return (emit_instruction(emit, opcode) &&
+ svga_shader_emit_dwords( emit, dcl.values, Elements(dcl.values)));
}
-static boolean emit_vface_decl( struct svga_shader_emitter *emit )
+
+/**
+ * Emit declaration for PS front/back-face input register.
+ */
+static boolean
+emit_vface_decl(struct svga_shader_emitter *emit)
{
if (!emit->emitted_vface) {
SVGA3dShaderDestToken reg =
- dst_register( SVGA3DREG_MISCTYPE,
- SVGA3DMISCREG_FACE );
+ dst_register(SVGA3DREG_MISCTYPE, SVGA3DMISCREG_FACE);
if (!emit_decl( emit, reg, 0, 0 ))
return FALSE;
return TRUE;
}
-static boolean ps30_input( struct svga_shader_emitter *emit,
- struct tgsi_declaration_semantic semantic,
- unsigned idx )
+
+/**
+ * Emit PS input register to pass depth/fog coordinates.
+ * Note that this always goes into texcoord[0].
+ */
+static boolean
+ps30_input_emit_depth_fog( struct svga_shader_emitter *emit,
+ struct src_register *out )
+{
+ struct src_register reg;
+
+ if (emit->emitted_depth_fog) {
+ *out = emit->ps_depth_fog;
+ return TRUE;
+ }
+
+ if (emit->ps30_input_count >= SVGA3D_INPUTREG_MAX)
+ return FALSE;
+
+ reg = src_register( SVGA3DREG_INPUT,
+ emit->ps30_input_count++ );
+
+ *out = emit->ps_depth_fog = reg;
+
+ emit->emitted_depth_fog = TRUE;
+
+ return emit_decl( emit, dst( reg ), SVGA3D_DECLUSAGE_TEXCOORD, 0 );
+}
+
+
+/**
+ * Process a PS input declaration.
+ * We'll emit a declaration like "dcl_texcoord1 v2"
+ */
+static boolean
+ps30_input(struct svga_shader_emitter *emit,
+ struct tgsi_declaration_semantic semantic,
+ unsigned idx)
{
unsigned usage, index;
SVGA3dShaderDestToken reg;
if (semantic.Name == TGSI_SEMANTIC_POSITION) {
- emit->input_map[idx] = src_register( SVGA3DREG_MISCTYPE,
- SVGA3DMISCREG_POSITION );
-
- emit->input_map[idx].base.swizzle = TRANSLATE_SWIZZLE( TGSI_SWIZZLE_X,
- TGSI_SWIZZLE_Y,
- TGSI_SWIZZLE_Y,
- TGSI_SWIZZLE_Y );
- reg = writemask( dst(emit->input_map[idx]),
+ emit->ps_true_pos = src_register( SVGA3DREG_MISCTYPE,
+ SVGA3DMISCREG_POSITION );
+ emit->ps_true_pos.base.swizzle = TRANSLATE_SWIZZLE( TGSI_SWIZZLE_X,
+ TGSI_SWIZZLE_Y,
+ TGSI_SWIZZLE_Y,
+ TGSI_SWIZZLE_Y );
+ reg = writemask( dst(emit->ps_true_pos),
TGSI_WRITEMASK_XY );
+ emit->ps_reads_pos = TRUE;
+
+ if (emit->info.reads_z) {
+ emit->ps_temp_pos = dst_register( SVGA3DREG_TEMP,
+ emit->nr_hw_temp );
+
+ emit->input_map[idx] = src_register( SVGA3DREG_TEMP,
+ emit->nr_hw_temp );
+ emit->nr_hw_temp++;
+
+ if (!ps30_input_emit_depth_fog( emit, &emit->ps_depth_pos ))
+ return FALSE;
+
+ emit->ps_depth_pos.base.swizzle = TRANSLATE_SWIZZLE( TGSI_SWIZZLE_Z,
+ TGSI_SWIZZLE_Z,
+ TGSI_SWIZZLE_Z,
+ TGSI_SWIZZLE_W );
+ }
+ else {
+ emit->input_map[idx] = emit->ps_true_pos;
+ }
return emit_decl( emit, reg, 0, 0 );
}
else if (emit->key.fkey.light_twoside &&
(semantic.Name == TGSI_SEMANTIC_COLOR)) {
- if (!translate_vs_ps_semantic( semantic, &usage, &index ))
+ if (!translate_vs_ps_semantic( emit, semantic, &usage, &index ))
return FALSE;
emit->internal_color_idx[emit->internal_color_count] = idx;
return FALSE;
semantic.Name = TGSI_SEMANTIC_BCOLOR;
- if (!translate_vs_ps_semantic( semantic, &usage, &index ))
+ if (!translate_vs_ps_semantic( emit, semantic, &usage, &index ))
+ return FALSE;
+
+ if (emit->ps30_input_count >= SVGA3D_INPUTREG_MAX)
return FALSE;
reg = dst_register( SVGA3DREG_INPUT, emit->ps30_input_count++ );
emit->internal_frontface_idx = idx;
return TRUE;
}
+ else if (semantic.Name == TGSI_SEMANTIC_FOG) {
+
+ assert(semantic.Index == 0);
+
+ if (!ps30_input_emit_depth_fog( emit, &emit->input_map[idx] ))
+ return FALSE;
+
+ emit->input_map[idx].base.swizzle = TRANSLATE_SWIZZLE( TGSI_SWIZZLE_X,
+ TGSI_SWIZZLE_X,
+ TGSI_SWIZZLE_X,
+ TGSI_SWIZZLE_X );
+
+ return TRUE;
+ }
else {
- if (!translate_vs_ps_semantic( semantic, &usage, &index ))
+ if (!translate_vs_ps_semantic( emit, semantic, &usage, &index ))
+ return FALSE;
+
+ if (emit->ps30_input_count >= SVGA3D_INPUTREG_MAX)
return FALSE;
emit->input_map[idx] = src_register( SVGA3DREG_INPUT, emit->ps30_input_count++ );
reg = dst( emit->input_map[idx] );
- return emit_decl( emit, reg, usage, index );
+ if (!emit_decl( emit, reg, usage, index ))
+ return FALSE;
+
+ if (semantic.Name == TGSI_SEMANTIC_GENERIC &&
+ emit->key.fkey.sprite_origin_lower_left &&
+ index >= 1 &&
+ emit->key.fkey.tex[index - 1].sprite_texgen) {
+ /* This is a sprite texture coord with lower-left origin.
+ * We need to invert the texture T coordinate since the SVGA3D
+ * device only supports an upper-left origin.
+ */
+ unsigned unit = index - 1;
+
+ emit->inverted_texcoords |= (1 << unit);
+
+ /* save original texcoord reg */
+ emit->ps_true_texcoord[unit] = emit->input_map[idx];
+
+ /* this temp register will be the results of the MAD instruction */
+ emit->ps_inverted_texcoord[unit] =
+ src_register(SVGA3DREG_TEMP, emit->nr_hw_temp);
+ emit->nr_hw_temp++;
+
+ emit->ps_inverted_texcoord_input[unit] = idx;
+
+ /* replace input_map entry with the temp register */
+ emit->input_map[idx] = emit->ps_inverted_texcoord[unit];
+ }
+
+ return TRUE;
}
}
-/* PS output registers are the same as 2.0
+/**
+ * Process a PS output declaration.
+ * Note that we don't actually emit a SVGA3DOpDcl for PS outputs.
+ * \idx register index, such as OUT[2] (not semantic index)
*/
-static boolean ps30_output( struct svga_shader_emitter *emit,
- struct tgsi_declaration_semantic semantic,
- unsigned idx )
+static boolean
+ps30_output(struct svga_shader_emitter *emit,
+ struct tgsi_declaration_semantic semantic,
+ unsigned idx)
{
- SVGA3dShaderDestToken reg;
-
switch (semantic.Name) {
case TGSI_SEMANTIC_COLOR:
- emit->output_map[idx] = dst_register( SVGA3DREG_COLOROUT,
- semantic.Index );
+ if (emit->unit == PIPE_SHADER_FRAGMENT) {
+ if (emit->key.fkey.white_fragments) {
+ /* Used for XOR logicop mode */
+ emit->output_map[idx] = dst_register( SVGA3DREG_TEMP,
+ emit->nr_hw_temp++ );
+ emit->temp_color_output[idx] = emit->output_map[idx];
+ emit->true_color_output[idx] = dst_register(SVGA3DREG_COLOROUT,
+ semantic.Index);
+ }
+ else if (emit->key.fkey.write_color0_to_n_cbufs) {
+ /* We'll write color output [0] to all render targets.
+ * Prepare all the output registers here, but only when the
+ * semantic.Index == 0 so we don't do this more than once.
+ */
+ if (semantic.Index == 0) {
+ unsigned i;
+ for (i = 0; i < emit->key.fkey.write_color0_to_n_cbufs; i++) {
+ emit->output_map[idx+i] = dst_register(SVGA3DREG_TEMP,
+ emit->nr_hw_temp++);
+ emit->temp_color_output[i] = emit->output_map[idx+i];
+ emit->true_color_output[i] = dst_register(SVGA3DREG_COLOROUT,
+ i);
+ }
+ }
+ }
+ else {
+ emit->output_map[idx] =
+ dst_register(SVGA3DREG_COLOROUT, semantic.Index);
+ }
+ }
+ else {
+ emit->output_map[idx] = dst_register( SVGA3DREG_COLOROUT,
+ semantic.Index );
+ }
break;
case TGSI_SEMANTIC_POSITION:
emit->output_map[idx] = dst_register( SVGA3DREG_TEMP,
break;
default:
assert(0);
- reg = dst_register( SVGA3DREG_COLOROUT, 0 );
+ /* A wild stab in the dark. */
+ emit->output_map[idx] = dst_register( SVGA3DREG_COLOROUT, 0 );
break;
}
}
-/* We still make up the input semantics the same as in 2.0
+/**
+ * Declare a VS input register.
+ * We still make up the input semantics the same as in 2.0
*/
-static boolean vs30_input( struct svga_shader_emitter *emit,
- struct tgsi_declaration_semantic semantic,
- unsigned idx )
+static boolean
+vs30_input(struct svga_shader_emitter *emit,
+ struct tgsi_declaration_semantic semantic,
+ unsigned idx)
{
SVGA3DOpDclArgs dcl;
SVGA3dShaderInstToken opcode;
dcl.values[0] = 0;
dcl.values[1] = 0;
- if (emit->key.vkey.zero_stride_vertex_elements & (1 << idx)) {
- unsigned i;
- unsigned offset = 0;
- unsigned start_idx = emit->info.file_max[TGSI_FILE_CONSTANT] + 1;
- /* adjust for prescale constants */
- start_idx += emit->key.vkey.need_prescale ? 2 : 0;
- /* compute the offset from the start of zero stride constants */
- for (i = 0; i < PIPE_MAX_ATTRIBS && i < idx; ++i) {
- if (emit->key.vkey.zero_stride_vertex_elements & (1<<i))
- ++offset;
- }
- emit->input_map[idx] = src_register( SVGA3DREG_CONST,
- start_idx + offset );
- } else {
- emit->input_map[idx] = src_register( SVGA3DREG_INPUT, idx );
- dcl.dst = dst_register( SVGA3DREG_INPUT, idx );
+ emit->input_map[idx] = src_register( SVGA3DREG_INPUT, idx );
+ dcl.dst = dst_register( SVGA3DREG_INPUT, idx );
+
+ assert(dcl.dst.reserved0);
- assert(dcl.dst.reserved0);
+ svga_generate_vdecl_semantics( idx, &usage, &index );
- svga_generate_vdecl_semantics( idx, &usage, &index );
+ dcl.usage = usage;
+ dcl.index = index;
+ dcl.values[0] |= 1<<31;
- dcl.usage = usage;
- dcl.index = index;
- dcl.values[0] |= 1<<31;
+ return (emit_instruction(emit, opcode) &&
+ svga_shader_emit_dwords( emit, dcl.values, Elements(dcl.values)));
+}
- return (emit_instruction(emit, opcode) &&
- svga_shader_emit_dwords( emit, dcl.values, Elements(dcl.values)));
+
+/**
+ * Declare VS output for holding depth/fog.
+ */
+static boolean
+vs30_output_emit_depth_fog(struct svga_shader_emitter *emit,
+ SVGA3dShaderDestToken *out)
+{
+ SVGA3dShaderDestToken reg;
+
+ if (emit->emitted_depth_fog) {
+ *out = emit->vs_depth_fog;
+ return TRUE;
}
- return TRUE;
+
+ reg = dst_register( SVGA3DREG_OUTPUT, emit->vs30_output_count++ );
+
+ *out = emit->vs_depth_fog = reg;
+
+ emit->emitted_depth_fog = TRUE;
+
+ return emit_decl( emit, reg, SVGA3D_DECLUSAGE_TEXCOORD, 0 );
}
-/* VS3.0 outputs have proper declarations and semantic info for
+
+/**
+ * Declare a VS output.
+ * VS3.0 outputs have proper declarations and semantic info for
* matching against PS inputs.
*/
-static boolean vs30_output( struct svga_shader_emitter *emit,
- struct tgsi_declaration_semantic semantic,
- unsigned idx )
+static boolean
+vs30_output(struct svga_shader_emitter *emit,
+ struct tgsi_declaration_semantic semantic,
+ unsigned idx)
{
SVGA3DOpDclArgs dcl;
SVGA3dShaderInstToken opcode;
dcl.values[0] = 0;
dcl.values[1] = 0;
- if (!translate_vs_ps_semantic( semantic, &usage, &index ))
+ if (!translate_vs_ps_semantic( emit, semantic, &usage, &index ))
return FALSE;
- dcl.dst = dst_register( SVGA3DREG_OUTPUT, idx );
+ if (emit->vs30_output_count >= SVGA3D_OUTPUTREG_MAX)
+ return FALSE;
+
+ dcl.dst = dst_register( SVGA3DREG_OUTPUT, emit->vs30_output_count++ );
dcl.usage = usage;
dcl.index = index;
dcl.values[0] |= 1<<31;
emit->nr_hw_temp++ );
emit->temp_pos = emit->output_map[idx];
emit->true_pos = dcl.dst;
+
+ /* Grab an extra output for the depth output */
+ if (!vs30_output_emit_depth_fog( emit, &emit->depth_pos ))
+ return FALSE;
+
}
else if (semantic.Name == TGSI_SEMANTIC_PSIZE) {
emit->output_map[idx] = dst_register( SVGA3DREG_TEMP,
emit->true_psiz = dcl.dst;
}
+ else if (semantic.Name == TGSI_SEMANTIC_FOG) {
+ /*
+ * Fog is shared with depth.
+ * So we need to decrement out_count since emit_depth_fog will increment it.
+ */
+ emit->vs30_output_count--;
+
+ if (!vs30_output_emit_depth_fog( emit, &emit->output_map[idx] ))
+ return FALSE;
+
+ return TRUE;
+ }
else {
emit->output_map[idx] = dcl.dst;
}
+ return (emit_instruction(emit, opcode) &&
+ svga_shader_emit_dwords( emit, dcl.values, Elements(dcl.values)));
+}
+
+
+/** Translate PIPE_TEXTURE_x to SVGA3DSAMP_x */
+static ubyte
+svga_tgsi_sampler_type(const struct svga_shader_emitter *emit, int idx)
+{
+ switch (emit->key.fkey.tex[idx].texture_target) {
+ case PIPE_TEXTURE_1D:
+ return SVGA3DSAMP_2D;
+ case PIPE_TEXTURE_2D:
+ case PIPE_TEXTURE_RECT:
+ return SVGA3DSAMP_2D;
+ case PIPE_TEXTURE_3D:
+ return SVGA3DSAMP_VOLUME;
+ case PIPE_TEXTURE_CUBE:
+ return SVGA3DSAMP_CUBE;
+ }
- return (emit_instruction(emit, opcode) &&
- svga_shader_emit_dwords( emit, dcl.values, Elements(dcl.values)));
+ return SVGA3DSAMP_UNKNOWN;
}
-static boolean ps30_sampler( struct svga_shader_emitter *emit,
- struct tgsi_declaration_semantic semantic,
- unsigned idx )
+
+static boolean
+ps30_sampler( struct svga_shader_emitter *emit,
+ struct tgsi_declaration_semantic semantic,
+ unsigned idx )
{
SVGA3DOpDclArgs dcl;
SVGA3dShaderInstToken opcode;
dcl.type = svga_tgsi_sampler_type( emit, idx );
dcl.values[0] |= 1<<31;
- return (emit_instruction(emit, opcode) &&
- svga_shader_emit_dwords( emit, dcl.values, Elements(dcl.values)));
+ return (emit_instruction(emit, opcode) &&
+ svga_shader_emit_dwords( emit, dcl.values, Elements(dcl.values)));
}
-boolean svga_translate_decl_sm30( struct svga_shader_emitter *emit,
- const struct tgsi_full_declaration *decl )
+boolean
+svga_translate_decl_sm30( struct svga_shader_emitter *emit,
+ const struct tgsi_full_declaration *decl )
{
unsigned first = decl->Range.First;
unsigned last = decl->Range.Last;
- unsigned semantic = 0;
- unsigned semantic_idx = 0;
unsigned idx;
- if (decl->Declaration.Semantic) {
- semantic = decl->Semantic.Name;
- semantic_idx = decl->Semantic.Index;
- }
-
for( idx = first; idx <= last; idx++ ) {
boolean ok;
return TRUE;
}
-
-
-
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