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-rw-r--r--src/gallium/drivers/llvmpipe/lp_state_derived.c2
-rw-r--r--src/gallium/drivers/r300/r300_fs.c10
-rw-r--r--src/gallium/drivers/r300/r300_texture.h13
-rw-r--r--src/gallium/drivers/r300/r300_tgsi_to_rc.c63
-rw-r--r--src/gallium/drivers/r300/r300_tgsi_to_rc.h7
-rw-r--r--src/gallium/drivers/softpipe/sp_state_derived.c3
-rw-r--r--src/gallium/drivers/svga/svga_context.c1
-rw-r--r--src/gallium/drivers/svga/svga_context.h4
-rw-r--r--src/gallium/drivers/svga/svga_state_fs.c126
-rw-r--r--src/gallium/drivers/svga/svga_tgsi.h1
-rw-r--r--src/gallium/drivers/svga/svga_tgsi_decl_sm30.c15
-rw-r--r--src/gallium/drivers/svga/svga_tgsi_emit.h19
-rw-r--r--src/gallium/drivers/svga/svga_tgsi_insn.c271
13 files changed, 383 insertions, 152 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_state_derived.c b/src/gallium/drivers/llvmpipe/lp_state_derived.c
index 0155b9be50..353ae176fd 100644
--- a/src/gallium/drivers/llvmpipe/lp_state_derived.c
+++ b/src/gallium/drivers/llvmpipe/lp_state_derived.c
@@ -65,7 +65,7 @@ llvmpipe_get_vertex_info(struct llvmpipe_context *llvmpipe)
/* compute vertex layout now */
const struct lp_fragment_shader *lpfs = llvmpipe->fs;
struct vertex_info *vinfo_vbuf = &llvmpipe->vertex_info_vbuf;
- const uint num = draw_current_shader_outputs(llvmpipe->draw);
+ const uint num = draw_num_shader_outputs(llvmpipe->draw);
uint i;
/* Tell draw_vbuf to simply emit the whole post-xform vertex
diff --git a/src/gallium/drivers/r300/r300_fs.c b/src/gallium/drivers/r300/r300_fs.c
index 60ea9c171d..39bcdc8fe6 100644
--- a/src/gallium/drivers/r300/r300_fs.c
+++ b/src/gallium/drivers/r300/r300_fs.c
@@ -77,17 +77,21 @@ void r300_shader_read_fs_inputs(struct tgsi_shader_info* info,
static void find_output_registers(struct r300_fragment_program_compiler * compiler,
struct r300_fragment_shader * fs)
{
- unsigned i;
+ unsigned i, colorbuf_count = 0;
/* Mark the outputs as not present initially */
- compiler->OutputColor = fs->info.num_outputs;
+ compiler->OutputColor[0] = fs->info.num_outputs;
+ compiler->OutputColor[1] = fs->info.num_outputs;
+ compiler->OutputColor[2] = fs->info.num_outputs;
+ compiler->OutputColor[3] = fs->info.num_outputs;
compiler->OutputDepth = fs->info.num_outputs;
/* Now see where they really are. */
for(i = 0; i < fs->info.num_outputs; ++i) {
switch(fs->info.output_semantic_name[i]) {
case TGSI_SEMANTIC_COLOR:
- compiler->OutputColor = i;
+ compiler->OutputColor[colorbuf_count] = i;
+ colorbuf_count++;
break;
case TGSI_SEMANTIC_POSITION:
compiler->OutputDepth = i;
diff --git a/src/gallium/drivers/r300/r300_texture.h b/src/gallium/drivers/r300/r300_texture.h
index 453fb1accc..b37be26133 100644
--- a/src/gallium/drivers/r300/r300_texture.h
+++ b/src/gallium/drivers/r300/r300_texture.h
@@ -37,24 +37,31 @@ unsigned r300_texture_get_stride(struct r300_screen* screen,
unsigned r300_texture_get_offset(struct r300_texture* tex, unsigned level,
unsigned zslice, unsigned face);
-/* Note the signature of R300_EASY_TX_FORMAT(A, R, G, B, FORMAT)... */
+/* Translate a pipe_format into a useful texture format for sampling.
+ *
+ * R300_EASY_TX_FORMAT swizzles the texture.
+ * Note the signature of R300_EASY_TX_FORMAT:
+ * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT);
+ *
+ * The FORMAT specifies how the texture sampler will treat the texture, and
+ * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */
static INLINE uint32_t r300_translate_texformat(enum pipe_format format)
{
switch (format) {
/* X8 */
case PIPE_FORMAT_A8_UNORM:
+ return R300_EASY_TX_FORMAT(ZERO, ZERO, ZERO, X, X8);
case PIPE_FORMAT_I8_UNORM:
return R300_EASY_TX_FORMAT(X, X, X, X, X8);
case PIPE_FORMAT_L8_UNORM:
return R300_EASY_TX_FORMAT(X, X, X, ONE, X8);
/* X16 */
case PIPE_FORMAT_R16_UNORM:
+ case PIPE_FORMAT_Z16_UNORM:
return R300_EASY_TX_FORMAT(X, X, X, X, X16);
case PIPE_FORMAT_R16_SNORM:
return R300_EASY_TX_FORMAT(X, X, X, X, X16) |
R300_TX_FORMAT_SIGNED;
- case PIPE_FORMAT_Z16_UNORM:
- return R300_EASY_TX_FORMAT(X, X, X, X, X16);
/* Y8X8 */
case PIPE_FORMAT_A8L8_UNORM:
return R300_EASY_TX_FORMAT(X, X, X, Y, Y8X8);
diff --git a/src/gallium/drivers/r300/r300_tgsi_to_rc.c b/src/gallium/drivers/r300/r300_tgsi_to_rc.c
index a792c2cf98..941ec17016 100644
--- a/src/gallium/drivers/r300/r300_tgsi_to_rc.c
+++ b/src/gallium/drivers/r300/r300_tgsi_to_rc.c
@@ -201,6 +201,8 @@ static void transform_srcreg(
struct rc_src_register * dst,
struct tgsi_full_src_register * src)
{
+ unsigned i, j;
+
dst->File = translate_register_file(src->Register.File);
dst->Index = translate_register_index(ttr, src->Register.File, src->Register.Index);
dst->RelAddr = src->Register.Indirect;
@@ -210,6 +212,21 @@ static void transform_srcreg(
dst->Swizzle |= tgsi_util_get_full_src_register_swizzle(src, 3) << 9;
dst->Abs = src->Register.Absolute;
dst->Negate = src->Register.Negate ? RC_MASK_XYZW : 0;
+
+ if (src->Register.File == TGSI_FILE_IMMEDIATE) {
+ for (i = 0; i < ttr->imms_to_swizzle_count; i++) {
+ if (ttr->imms_to_swizzle[i].index == src->Register.Index) {
+ dst->File = RC_FILE_TEMPORARY;
+ dst->Index = 0;
+ dst->Swizzle = 0;
+ for (j = 0; j < 4; j++) {
+ dst->Swizzle |= GET_SWZ(ttr->imms_to_swizzle[i].swizzle,
+ tgsi_util_get_full_src_register_swizzle(src, j)) << (j * 3);
+ }
+ break;
+ }
+ }
+ }
}
static void transform_texture(struct rc_instruction * dst, struct tgsi_instruction_texture src,
@@ -277,21 +294,45 @@ static void transform_instruction(struct tgsi_to_rc * ttr, struct tgsi_full_inst
&ttr->compiler->Program.ShadowSamplers);
}
-static void handle_immediate(struct tgsi_to_rc * ttr, struct tgsi_full_immediate * imm)
+static void handle_immediate(struct tgsi_to_rc * ttr,
+ struct tgsi_full_immediate * imm,
+ unsigned index)
{
struct rc_constant constant;
- int i;
+ unsigned swizzle = 0;
+ boolean can_swizzle = TRUE;
+ unsigned i;
- constant.Type = RC_CONSTANT_IMMEDIATE;
- constant.Size = 4;
- for(i = 0; i < 4; ++i)
- constant.u.Immediate[i] = imm->u[i].Float;
- rc_constants_add(&ttr->compiler->Program.Constants, &constant);
+ for (i = 0; i < 4; i++) {
+ if (imm->u[i].Float == 0.0f) {
+ swizzle |= RC_SWIZZLE_ZERO << (i * 3);
+ } else if (imm->u[i].Float == 0.5f) {
+ swizzle |= RC_SWIZZLE_HALF << (i * 3);
+ } else if (imm->u[i].Float == 1.0f) {
+ swizzle |= RC_SWIZZLE_ONE << (i * 3);
+ } else {
+ can_swizzle = FALSE;
+ break;
+ }
+ }
+
+ if (can_swizzle) {
+ ttr->imms_to_swizzle[ttr->imms_to_swizzle_count].index = index;
+ ttr->imms_to_swizzle[ttr->imms_to_swizzle_count].swizzle = swizzle;
+ ttr->imms_to_swizzle_count++;
+ } else {
+ constant.Type = RC_CONSTANT_IMMEDIATE;
+ constant.Size = 4;
+ for(i = 0; i < 4; ++i)
+ constant.u.Immediate[i] = imm->u[i].Float;
+ rc_constants_add(&ttr->compiler->Program.Constants, &constant);
+ }
}
void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, const struct tgsi_token * tokens)
{
struct tgsi_parse_context parser;
+ unsigned imm_index = 0;
int i;
/* Allocate constants placeholders.
@@ -308,6 +349,9 @@ void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, const struct tgsi_token * tokens)
ttr->immediate_offset = ttr->compiler->Program.Constants.Count;
+ ttr->imms_to_swizzle = malloc(ttr->info->immediate_count * sizeof(struct swizzled_imms));
+ ttr->imms_to_swizzle_count = 0;
+
tgsi_parse_init(&parser, tokens);
while (!tgsi_parse_end_of_tokens(&parser)) {
@@ -317,7 +361,8 @@ void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, const struct tgsi_token * tokens)
case TGSI_TOKEN_TYPE_DECLARATION:
break;
case TGSI_TOKEN_TYPE_IMMEDIATE:
- handle_immediate(ttr, &parser.FullToken.FullImmediate);
+ handle_immediate(ttr, &parser.FullToken.FullImmediate, imm_index);
+ imm_index++;
break;
case TGSI_TOKEN_TYPE_INSTRUCTION:
transform_instruction(ttr, &parser.FullToken.FullInstruction);
@@ -327,6 +372,8 @@ void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, const struct tgsi_token * tokens)
tgsi_parse_free(&parser);
+ free(ttr->imms_to_swizzle);
+
rc_calculate_inputs_outputs(ttr->compiler);
}
diff --git a/src/gallium/drivers/r300/r300_tgsi_to_rc.h b/src/gallium/drivers/r300/r300_tgsi_to_rc.h
index 93e90ec6d2..39b473c7bf 100644
--- a/src/gallium/drivers/r300/r300_tgsi_to_rc.h
+++ b/src/gallium/drivers/r300/r300_tgsi_to_rc.h
@@ -29,11 +29,18 @@ struct tgsi_full_declaration;
struct tgsi_shader_info;
struct tgsi_token;
+struct swizzled_imms {
+ unsigned index;
+ unsigned swizzle;
+};
+
struct tgsi_to_rc {
struct radeon_compiler * compiler;
const struct tgsi_shader_info * info;
int immediate_offset;
+ struct swizzled_imms * imms_to_swizzle;
+ unsigned imms_to_swizzle_count;
};
void r300_tgsi_to_rc(struct tgsi_to_rc * ttr, const struct tgsi_token * tokens);
diff --git a/src/gallium/drivers/softpipe/sp_state_derived.c b/src/gallium/drivers/softpipe/sp_state_derived.c
index f6856a5f69..d2eda7324c 100644
--- a/src/gallium/drivers/softpipe/sp_state_derived.c
+++ b/src/gallium/drivers/softpipe/sp_state_derived.c
@@ -30,7 +30,6 @@
#include "pipe/p_shader_tokens.h"
#include "draw/draw_context.h"
#include "draw/draw_vertex.h"
-#include "draw/draw_private.h"
#include "sp_context.h"
#include "sp_screen.h"
#include "sp_state.h"
@@ -67,7 +66,7 @@ softpipe_get_vertex_info(struct softpipe_context *softpipe)
/* compute vertex layout now */
const struct sp_fragment_shader *spfs = softpipe->fs;
struct vertex_info *vinfo_vbuf = &softpipe->vertex_info_vbuf;
- const uint num = draw_current_shader_outputs(softpipe->draw);
+ const uint num = draw_num_shader_outputs(softpipe->draw);
uint i;
/* Tell draw_vbuf to simply emit the whole post-xform vertex
diff --git a/src/gallium/drivers/svga/svga_context.c b/src/gallium/drivers/svga/svga_context.c
index e88ef8d8fe..c4181c3f5b 100644
--- a/src/gallium/drivers/svga/svga_context.c
+++ b/src/gallium/drivers/svga/svga_context.c
@@ -215,7 +215,6 @@ struct pipe_context *svga_context_create( struct pipe_screen *screen )
svga->state.hw_draw.num_views = 0;
svga->dirty = ~0;
- svga->state.white_fs_id = SVGA3D_INVALID_ID;
LIST_INITHEAD(&svga->dirty_buffers);
diff --git a/src/gallium/drivers/svga/svga_context.h b/src/gallium/drivers/svga/svga_context.h
index 66259fd010..ba86256eb2 100644
--- a/src/gallium/drivers/svga/svga_context.h
+++ b/src/gallium/drivers/svga/svga_context.h
@@ -327,10 +327,6 @@ struct svga_context
unsigned texture_timestamp;
- /* Internally generated shaders:
- */
- unsigned white_fs_id;
-
/*
*/
struct svga_sw_state sw;
diff --git a/src/gallium/drivers/svga/svga_state_fs.c b/src/gallium/drivers/svga/svga_state_fs.c
index adc7120217..2973444d0a 100644
--- a/src/gallium/drivers/svga/svga_state_fs.c
+++ b/src/gallium/drivers/svga/svga_state_fs.c
@@ -108,70 +108,6 @@ fail:
return ret;
}
-/* The blend workaround for simulating logicop xor behaviour requires
- * that the incoming fragment color be white. This change achieves
- * that by hooking up a hard-wired fragment shader that just emits
- * color 1,1,1,1
- *
- * This is a slightly incomplete solution as it assumes that the
- * actual bound shader has no other effects beyond generating a
- * fragment color. In particular shaders containing TEXKIL and/or
- * depth-write will not have the correct behaviour, nor will those
- * expecting to use alphatest.
- *
- * These are avoidable issues, but they are not much worse than the
- * unavoidable ones associated with this technique, so it's not clear
- * how much effort should be expended trying to resolve them - the
- * ultimate result will still not be correct in most cases.
- *
- * Shader below was generated with:
- * SVGA_DEBUG=tgsi ./mesa/progs/fp/fp-tri white.txt
- */
-static int emit_white_fs( struct svga_context *svga )
-{
- int ret = PIPE_ERROR;
-
- /* ps_3_0
- * def c0, 1.000000, 0.000000, 0.000000, 1.000000
- * mov oC0, c0.x
- * end
- */
- static const unsigned white_tokens[] = {
- 0xffff0300,
- 0x05000051,
- 0xa00f0000,
- 0x3f800000,
- 0x00000000,
- 0x00000000,
- 0x3f800000,
- 0x02000001,
- 0x800f0800,
- 0xa0000000,
- 0x0000ffff,
- };
-
- assert(SVGA3D_INVALID_ID == UTIL_BITMASK_INVALID_INDEX);
- svga->state.white_fs_id = util_bitmask_add(svga->fs_bm);
- if(svga->state.white_fs_id == SVGA3D_INVALID_ID)
- goto no_fs_id;
-
- ret = SVGA3D_DefineShader(svga->swc,
- svga->state.white_fs_id,
- SVGA3D_SHADERTYPE_PS,
- white_tokens,
- sizeof(white_tokens));
- if (ret)
- goto no_definition;
-
- return 0;
-
-no_definition:
- util_bitmask_clear(svga->fs_bm, svga->state.white_fs_id);
- svga->state.white_fs_id = SVGA3D_INVALID_ID;
-no_fs_id:
- return ret;
-}
-
/* SVGA_NEW_TEXTURE_BINDING
* SVGA_NEW_RAST
@@ -199,6 +135,23 @@ static int make_fs_key( const struct svga_context *svga,
PIPE_WINDING_CW);
}
+ /* The blend workaround for simulating logicop xor behaviour
+ * requires that the incoming fragment color be white. This change
+ * achieves that by creating a varient of the current fragment
+ * shader that overrides all output colors with 1,1,1,1
+ *
+ * This will work for most shaders, including those containing
+ * TEXKIL and/or depth-write. However, it will break on the
+ * combination of xor-logicop plus alphatest.
+ *
+ * Ultimately, we could implement alphatest in the shader using
+ * texkil prior to overriding the outgoing fragment color.
+ *
+ * SVGA_NEW_BLEND
+ */
+ if (svga->curr.blend->need_white_fragments) {
+ key->white_fragments = 1;
+ }
/* XXX: want to limit this to the textures that the shader actually
* refers to.
@@ -238,40 +191,29 @@ static int emit_hw_fs( struct svga_context *svga,
unsigned id = SVGA3D_INVALID_ID;
int ret = 0;
+ struct svga_fragment_shader *fs = svga->curr.fs;
+ struct svga_fs_compile_key key;
+
/* SVGA_NEW_BLEND
+ * SVGA_NEW_TEXTURE_BINDING
+ * SVGA_NEW_RAST
+ * SVGA_NEW_NEED_SWTNL
+ * SVGA_NEW_SAMPLER
*/
- if (svga->curr.blend->need_white_fragments) {
- if (svga->state.white_fs_id == SVGA3D_INVALID_ID) {
- ret = emit_white_fs( svga );
- if (ret)
- return ret;
- }
- id = svga->state.white_fs_id;
- }
- else {
- struct svga_fragment_shader *fs = svga->curr.fs;
- struct svga_fs_compile_key key;
-
- /* SVGA_NEW_TEXTURE_BINDING
- * SVGA_NEW_RAST
- * SVGA_NEW_NEED_SWTNL
- * SVGA_NEW_SAMPLER
- */
- ret = make_fs_key( svga, &key );
+ ret = make_fs_key( svga, &key );
+ if (ret)
+ return ret;
+
+ result = search_fs_key( fs, &key );
+ if (!result) {
+ ret = compile_fs( svga, fs, &key, &result );
if (ret)
return ret;
-
- result = search_fs_key( fs, &key );
- if (!result) {
- ret = compile_fs( svga, fs, &key, &result );
- if (ret)
- return ret;
- }
-
- assert (result);
- id = result->id;
}
+ assert (result);
+ id = result->id;
+
assert(id != SVGA3D_INVALID_ID);
if (result != svga->state.hw_draw.fs) {
diff --git a/src/gallium/drivers/svga/svga_tgsi.h b/src/gallium/drivers/svga/svga_tgsi.h
index 737a2213af..063c9cf422 100644
--- a/src/gallium/drivers/svga/svga_tgsi.h
+++ b/src/gallium/drivers/svga/svga_tgsi.h
@@ -49,6 +49,7 @@ struct svga_fs_compile_key
{
unsigned light_twoside:1;
unsigned front_cw:1;
+ unsigned white_fragments:1;
unsigned num_textures:8;
unsigned num_unnormalized_coords:8;
struct {
diff --git a/src/gallium/drivers/svga/svga_tgsi_decl_sm30.c b/src/gallium/drivers/svga/svga_tgsi_decl_sm30.c
index 43fc0d3235..73102a72a8 100644
--- a/src/gallium/drivers/svga/svga_tgsi_decl_sm30.c
+++ b/src/gallium/drivers/svga/svga_tgsi_decl_sm30.c
@@ -194,8 +194,19 @@ static boolean ps30_output( struct svga_shader_emitter *emit,
switch (semantic.Name) {
case TGSI_SEMANTIC_COLOR:
- emit->output_map[idx] = dst_register( SVGA3DREG_COLOROUT,
- semantic.Index );
+ if (emit->unit == PIPE_SHADER_FRAGMENT &&
+ emit->key.fkey.white_fragments) {
+
+ emit->output_map[idx] = dst_register( SVGA3DREG_TEMP,
+ emit->nr_hw_temp++ );
+ emit->temp_col[idx] = emit->output_map[idx];
+ emit->true_col[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,
diff --git a/src/gallium/drivers/svga/svga_tgsi_emit.h b/src/gallium/drivers/svga/svga_tgsi_emit.h
index 2557824293..e8f75485d5 100644
--- a/src/gallium/drivers/svga/svga_tgsi_emit.h
+++ b/src/gallium/drivers/svga/svga_tgsi_emit.h
@@ -79,6 +79,8 @@ struct svga_shader_emitter
int ps30_input_count;
+ int dynamic_branching_level;
+
boolean in_main_func;
boolean created_zero_immediate;
@@ -199,6 +201,23 @@ static INLINE boolean emit_op3( struct svga_shader_emitter *emit,
}
+static INLINE boolean emit_op4( struct svga_shader_emitter *emit,
+ SVGA3dShaderInstToken inst,
+ SVGA3dShaderDestToken dest,
+ struct src_register src0,
+ struct src_register src1,
+ struct src_register src2,
+ struct src_register src3)
+{
+ return (emit_instruction( emit, inst ) &&
+ emit_dst( emit, dest ) &&
+ emit_src( emit, src0 ) &&
+ emit_src( emit, src1 ) &&
+ emit_src( emit, src2 ) &&
+ emit_src( emit, src3 ));
+}
+
+
#define TRANSLATE_SWIZZLE(x,y,z,w) ((x) | ((y) << 2) | ((z) << 4) | ((w) << 6))
#define SWIZZLE_XYZW \
TRANSLATE_SWIZZLE(TGSI_SWIZZLE_X,TGSI_SWIZZLE_Y,TGSI_SWIZZLE_Z,TGSI_SWIZZLE_W)
diff --git a/src/gallium/drivers/svga/svga_tgsi_insn.c b/src/gallium/drivers/svga/svga_tgsi_insn.c
index dc5eb8fc60..be821e9821 100644
--- a/src/gallium/drivers/svga/svga_tgsi_insn.c
+++ b/src/gallium/drivers/svga/svga_tgsi_insn.c
@@ -46,8 +46,6 @@ translate_opcode(
case TGSI_OPCODE_ABS: return SVGA3DOP_ABS;
case TGSI_OPCODE_ADD: return SVGA3DOP_ADD;
case TGSI_OPCODE_BREAKC: return SVGA3DOP_BREAKC;
- case TGSI_OPCODE_DDX: return SVGA3DOP_DSX;
- case TGSI_OPCODE_DDY: return SVGA3DOP_DSY;
case TGSI_OPCODE_DP2A: return SVGA3DOP_DP2ADD;
case TGSI_OPCODE_DP3: return SVGA3DOP_DP3;
case TGSI_OPCODE_DP4: return SVGA3DOP_DP4;
@@ -415,6 +413,88 @@ static boolean submit_op3( struct svga_shader_emitter *emit,
}
+
+
+/* SVGA shaders may not refer to >1 constant register in a single
+ * instruction. This function checks for that usage and inserts a
+ * move to temporary if detected.
+ */
+static boolean submit_op4( struct svga_shader_emitter *emit,
+ SVGA3dShaderInstToken inst,
+ SVGA3dShaderDestToken dest,
+ struct src_register src0,
+ struct src_register src1,
+ struct src_register src2,
+ struct src_register src3)
+{
+ SVGA3dShaderDestToken temp0;
+ SVGA3dShaderDestToken temp3;
+ boolean need_temp0 = FALSE;
+ boolean need_temp3 = FALSE;
+ SVGA3dShaderRegType type0, type1, type2, type3;
+
+ temp0.value = 0;
+ temp3.value = 0;
+ type0 = SVGA3dShaderGetRegType( src0.base.value );
+ type1 = SVGA3dShaderGetRegType( src1.base.value );
+ type2 = SVGA3dShaderGetRegType( src2.base.value );
+ type3 = SVGA3dShaderGetRegType( src2.base.value );
+
+ /* Make life a little easier - this is only used by the TXD
+ * instruction which is guaranteed not to have a constant/input reg
+ * in one slot at least:
+ */
+ assert(type1 == SVGA3DREG_SAMPLER);
+
+ if (type0 == SVGA3DREG_CONST &&
+ ((type3 == SVGA3DREG_CONST && src0.base.num != src3.base.num) ||
+ (type2 == SVGA3DREG_CONST && src0.base.num != src2.base.num)))
+ need_temp0 = TRUE;
+
+ if (type3 == SVGA3DREG_CONST &&
+ (type2 == SVGA3DREG_CONST && src3.base.num != src2.base.num))
+ need_temp3 = TRUE;
+
+ if (type0 == SVGA3DREG_INPUT &&
+ ((type3 == SVGA3DREG_INPUT && src0.base.num != src3.base.num) ||
+ (type2 == SVGA3DREG_INPUT && src0.base.num != src2.base.num)))
+ need_temp0 = TRUE;
+
+ if (type3 == SVGA3DREG_INPUT &&
+ (type2 == SVGA3DREG_INPUT && src3.base.num != src2.base.num))
+ need_temp3 = TRUE;
+
+ if (need_temp0)
+ {
+ temp0 = get_temp( emit );
+
+ if (!emit_op1( emit, inst_token( SVGA3DOP_MOV ), temp0, src0 ))
+ return FALSE;
+
+ src0 = src( temp0 );
+ }
+
+ if (need_temp3)
+ {
+ temp3 = get_temp( emit );
+
+ if (!emit_op1( emit, inst_token( SVGA3DOP_MOV ), temp3, src3 ))
+ return FALSE;
+
+ src3 = src( temp3 );
+ }
+
+ if (!emit_op4( emit, inst, dest, src0, src1, src2, src3 ))
+ return FALSE;
+
+ if (need_temp3)
+ release_temp( emit, temp3 );
+ if (need_temp0)
+ release_temp( emit, temp0 );
+ return TRUE;
+}
+
+
static boolean emit_def_const( struct svga_shader_emitter *emit,
SVGA3dShaderConstType type,
unsigned idx,
@@ -660,6 +740,8 @@ static boolean emit_if(struct svga_shader_emitter *emit,
if_token.control = SVGA3DOPCOMPC_NE;
zero = scalar(zero, TGSI_SWIZZLE_X);
+ emit->dynamic_branching_level++;
+
return (emit_instruction( emit, if_token ) &&
emit_src( emit, src ) &&
emit_src( emit, zero ) );
@@ -668,6 +750,8 @@ static boolean emit_if(struct svga_shader_emitter *emit,
static boolean emit_endif(struct svga_shader_emitter *emit,
const struct tgsi_full_instruction *insn)
{
+ emit->dynamic_branching_level--;
+
return (emit_instruction( emit,
inst_token( SVGA3DOP_ENDIF )));
}
@@ -1011,10 +1095,10 @@ static boolean emit_kilp(struct svga_shader_emitter *emit,
{
SVGA3dShaderInstToken inst;
SVGA3dShaderDestToken temp;
- struct src_register one = get_zero_immediate( emit );
+ struct src_register one = scalar( get_zero_immediate( emit ),
+ TGSI_SWIZZLE_W );
inst = inst_token( SVGA3DOP_TEXKILL );
- one = scalar( one, TGSI_SWIZZLE_W );
/* texkill doesn't allow negation on the operand so lets move
* negation of {1} to a temp register */
@@ -1169,41 +1253,79 @@ static boolean emit_tex2(struct svga_shader_emitter *emit,
SVGA3dShaderDestToken dst )
{
SVGA3dShaderInstToken inst;
- struct src_register src0;
- struct src_register src1;
-
+ struct src_register texcoord;
+ struct src_register sampler;
+ SVGA3dShaderDestToken tmp;
+
inst.value = 0;
- inst.op = SVGA3DOP_TEX;
switch (insn->Instruction.Opcode) {
case TGSI_OPCODE_TEX:
+ inst.op = SVGA3DOP_TEX;
break;
case TGSI_OPCODE_TXP:
+ inst.op = SVGA3DOP_TEX;
inst.control = SVGA3DOPCONT_PROJECT;
break;
case TGSI_OPCODE_TXB:
+ inst.op = SVGA3DOP_TEX;
inst.control = SVGA3DOPCONT_BIAS;
break;
+ case TGSI_OPCODE_TXL:
+ inst.op = SVGA3DOP_TEXLDL;
+ break;
default:
assert(0);
return FALSE;
}
- src0 = translate_src_register( emit, &insn->Src[0] );
- src1 = translate_src_register( emit, &insn->Src[1] );
+ texcoord = translate_src_register( emit, &insn->Src[0] );
+ sampler = translate_src_register( emit, &insn->Src[1] );
- if (emit->key.fkey.tex[src1.base.num].unnormalized) {
- struct src_register wh = get_tex_dimensions( emit, src1.base.num );
- SVGA3dShaderDestToken tmp = get_temp( emit );
+ if (emit->key.fkey.tex[sampler.base.num].unnormalized ||
+ emit->dynamic_branching_level > 0)
+ tmp = get_temp( emit );
+
+ /* Can't do mipmapping inside dynamic branch constructs. Force LOD
+ * zero in that case.
+ */
+ if (emit->dynamic_branching_level > 0 &&
+ inst.op == SVGA3DOP_TEX &&
+ SVGA3dShaderGetRegType(texcoord.base.value) == SVGA3DREG_TEMP) {
+ struct src_register zero = get_zero_immediate( emit );
+
+ /* MOV tmp, texcoord */
+ if (!submit_op1( emit,
+ inst_token( SVGA3DOP_MOV ),
+ tmp,
+ texcoord ))
+ return FALSE;
+
+ /* MOV tmp.w, zero */
+ if (!submit_op1( emit,
+ inst_token( SVGA3DOP_MOV ),
+ writemask( tmp, TGSI_WRITEMASK_W ),
+ scalar( zero, TGSI_SWIZZLE_X )))
+ return FALSE;
+
+ texcoord = src( tmp );
+ inst.op = SVGA3DOP_TEXLDL;
+ }
+
+ /* Explicit normalization of texcoords:
+ */
+ if (emit->key.fkey.tex[sampler.base.num].unnormalized) {
+ struct src_register wh = get_tex_dimensions( emit, sampler.base.num );
/* MUL tmp, SRC0, WH */
if (!submit_op2( emit, inst_token( SVGA3DOP_MUL ),
- tmp, src0, wh ))
+ tmp, texcoord, wh ))
return FALSE;
- src0 = src( tmp );
+
+ texcoord = src( tmp );
}
- return submit_op2( emit, inst, dst, src0, src1 );
+ return submit_op2( emit, inst, dst, texcoord, sampler );
}
@@ -1211,31 +1333,33 @@ static boolean emit_tex2(struct svga_shader_emitter *emit,
/* Translate texture instructions to SVGA3D representation.
*/
-static boolean emit_tex3(struct svga_shader_emitter *emit,
+static boolean emit_tex4(struct svga_shader_emitter *emit,
const struct tgsi_full_instruction *insn,
SVGA3dShaderDestToken dst )
{
SVGA3dShaderInstToken inst;
- struct src_register src0;
- struct src_register src1;
- struct src_register src2;
+ struct src_register texcoord;
+ struct src_register ddx;
+ struct src_register ddy;
+ struct src_register sampler;
+
+ texcoord = translate_src_register( emit, &insn->Src[0] );
+ ddx = translate_src_register( emit, &insn->Src[1] );
+ ddy = translate_src_register( emit, &insn->Src[2] );
+ sampler = translate_src_register( emit, &insn->Src[3] );
inst.value = 0;
switch (insn->Instruction.Opcode) {
case TGSI_OPCODE_TXD:
- inst.op = SVGA3DOP_TEXLDD;
- break;
- case TGSI_OPCODE_TXL:
- inst.op = SVGA3DOP_TEXLDL;
+ inst.op = SVGA3DOP_TEXLDD; /* 4 args! */
break;
+ default:
+ assert(0);
+ return FALSE;
}
- src0 = translate_src_register( emit, &insn->Src[0] );
- src1 = translate_src_register( emit, &insn->Src[1] );
- src2 = translate_src_register( emit, &insn->Src[2] );
-
- return submit_op3( emit, inst, dst, src0, src1, src2 );
+ return submit_op4( emit, inst, dst, texcoord, sampler, ddx, ddy );
}
@@ -1271,12 +1395,12 @@ static boolean emit_tex(struct svga_shader_emitter *emit,
case TGSI_OPCODE_TEX:
case TGSI_OPCODE_TXB:
case TGSI_OPCODE_TXP:
+ case TGSI_OPCODE_TXL:
if (!emit_tex2( emit, insn, tex_result ))
return FALSE;
break;
- case TGSI_OPCODE_TXL:
case TGSI_OPCODE_TXD:
- if (!emit_tex3( emit, insn, tex_result ))
+ if (!emit_tex4( emit, insn, tex_result ))
return FALSE;
break;
default:
@@ -1330,6 +1454,8 @@ static boolean emit_bgnloop2( struct svga_shader_emitter *emit,
struct src_register loop_reg = src_register( SVGA3DREG_LOOP, 0 );
struct src_register const_int = get_loop_const( emit );
+ emit->dynamic_branching_level++;
+
return (emit_instruction( emit, inst ) &&
emit_src( emit, loop_reg ) &&
emit_src( emit, const_int ) );
@@ -1339,6 +1465,9 @@ static boolean emit_endloop2( struct svga_shader_emitter *emit,
const struct tgsi_full_instruction *insn )
{
SVGA3dShaderInstToken inst = inst_token( SVGA3DOP_ENDLOOP );
+
+ emit->dynamic_branching_level--;
+
return emit_instruction( emit, inst );
}
@@ -1398,6 +1527,46 @@ static boolean emit_simple_instruction(struct svga_shader_emitter *emit,
}
}
+
+static boolean emit_deriv(struct svga_shader_emitter *emit,
+ const struct tgsi_full_instruction *insn )
+{
+ if (emit->dynamic_branching_level > 0 &&
+ insn->Src[0].Register.File == TGSI_FILE_TEMPORARY)
+ {
+ struct src_register zero = get_zero_immediate( emit );
+ SVGA3dShaderDestToken dst =
+ translate_dst_register( emit, insn, 0 );
+
+ /* Deriv opcodes not valid inside dynamic branching, workaround
+ * by zeroing out the destination.
+ */
+ if (!submit_op1(emit,
+ inst_token( SVGA3DOP_MOV ),
+ dst,
+ scalar(zero, TGSI_SWIZZLE_X)))
+ return FALSE;
+
+ return TRUE;
+ }
+ else {
+ unsigned opcode;
+
+ switch (insn->Instruction.Opcode) {
+ case TGSI_OPCODE_DDX:
+ opcode = SVGA3DOP_DSX;
+ break;
+ case TGSI_OPCODE_DDY:
+ opcode = SVGA3DOP_DSY;
+ break;
+ default:
+ return FALSE;
+ }
+
+ return emit_simple_instruction( emit, opcode, insn );
+ }
+}
+
static boolean emit_arl(struct svga_shader_emitter *emit,
const struct tgsi_full_instruction *insn)
{
@@ -2002,6 +2171,10 @@ static boolean svga_emit_instruction( struct svga_shader_emitter *emit,
case TGSI_OPCODE_TXD:
return emit_tex( emit, insn );
+ case TGSI_OPCODE_DDX:
+ case TGSI_OPCODE_DDY:
+ return emit_deriv( emit, insn );
+
case TGSI_OPCODE_BGNSUB:
return emit_bgnsub( emit, position, insn );
@@ -2254,11 +2427,28 @@ static boolean emit_ps_postamble( struct svga_shader_emitter *emit )
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
if (SVGA3dShaderGetRegType(emit->true_col[i].value) != 0) {
- if (!submit_op1( emit,
- inst_token(SVGA3DOP_MOV),
- emit->true_col[i],
- src(emit->temp_col[i]) ))
- return FALSE;
+ /* Potentially override output colors with white for XOR
+ * logicop workaround.
+ */
+ if (emit->unit == PIPE_SHADER_FRAGMENT &&
+ emit->key.fkey.white_fragments) {
+
+ struct src_register one = scalar( get_zero_immediate( emit ),
+ TGSI_SWIZZLE_W );
+
+ if (!submit_op1( emit,
+ inst_token(SVGA3DOP_MOV),
+ emit->true_col[i],
+ one ))
+ return FALSE;
+ }
+ else {
+ if (!submit_op1( emit,
+ inst_token(SVGA3DOP_MOV),
+ emit->true_col[i],
+ src(emit->temp_col[i]) ))
+ return FALSE;
+ }
}
}
@@ -2467,6 +2657,9 @@ needs_to_create_zero( struct svga_shader_emitter *emit )
if (emit->key.fkey.light_twoside)
return TRUE;
+ if (emit->key.fkey.white_fragments)
+ return TRUE;
+
if (emit->emit_frontface)
return TRUE;
@@ -2476,6 +2669,10 @@ needs_to_create_zero( struct svga_shader_emitter *emit )
}
if (emit->info.opcode_count[TGSI_OPCODE_IF] >= 1 ||
+ emit->info.opcode_count[TGSI_OPCODE_BGNLOOP] >= 1 ||
+ emit->info.opcode_count[TGSI_OPCODE_BGNFOR] >= 1 ||
+ emit->info.opcode_count[TGSI_OPCODE_DDX] >= 1 ||
+ emit->info.opcode_count[TGSI_OPCODE_DDY] >= 1 ||
emit->info.opcode_count[TGSI_OPCODE_SGE] >= 1 ||
emit->info.opcode_count[TGSI_OPCODE_SGT] >= 1 ||
emit->info.opcode_count[TGSI_OPCODE_SLE] >= 1 ||
@@ -2702,6 +2899,8 @@ boolean svga_shader_emit_instructions( struct svga_shader_emitter *emit,
goto done;
}
+ assert(emit->dynamic_branching_level == 0);
+
/* Need to terminate the whole shader:
*/
ret = emit_instruction( emit, inst_token( SVGA3DOP_END ) );
generated by cgit v1.2.3 (git 2.39.1) at 2025-01-07 20:05:31 +0000