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Diffstat (limited to 'src/gallium/drivers/r300/r300_state_derived.c')
-rw-r--r--src/gallium/drivers/r300/r300_state_derived.c267
1 files changed, 179 insertions, 88 deletions
diff --git a/src/gallium/drivers/r300/r300_state_derived.c b/src/gallium/drivers/r300/r300_state_derived.c
index c01e61a9b1..7d000e9e2d 100644
--- a/src/gallium/drivers/r300/r300_state_derived.c
+++ b/src/gallium/drivers/r300/r300_state_derived.c
@@ -20,14 +20,47 @@
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE. */
-#include "r300_state_derived.h"
+#include "draw/draw_context.h"
+
+#include "util/u_math.h"
+#include "util/u_memory.h"
+#include "r300_context.h"
#include "r300_fs.h"
+#include "r300_screen.h"
+#include "r300_state_derived.h"
+#include "r300_state_inlines.h"
#include "r300_vs.h"
/* r300_state_derived: Various bits of state which are dependent upon
* currently bound CSO data. */
+struct r300_shader_key {
+ struct r300_vertex_shader* vs;
+ struct r300_fragment_shader* fs;
+};
+
+struct r300_shader_derived_value {
+ struct r300_vertex_format* vformat;
+ struct r300_rs_block* rs_block;
+};
+
+unsigned r300_shader_key_hash(void* key) {
+ struct r300_shader_key* shader_key = (struct r300_shader_key*)key;
+ unsigned vs = (unsigned)shader_key->vs;
+ unsigned fs = (unsigned)shader_key->fs;
+
+ return (vs << 16) | (fs & 0xffff);
+}
+
+int r300_shader_key_compare(void* key1, void* key2) {
+ struct r300_shader_key* shader_key1 = (struct r300_shader_key*)key1;
+ struct r300_shader_key* shader_key2 = (struct r300_shader_key*)key2;
+
+ return (shader_key1->vs == shader_key2->vs) &&
+ (shader_key1->fs == shader_key2->fs);
+}
+
/* Set up the vs_tab and routes. */
static void r300_vs_tab_routes(struct r300_context* r300,
struct r300_vertex_format* vformat)
@@ -52,7 +85,7 @@ static void r300_vs_tab_routes(struct r300_context* r300,
if (!r300screen->caps->has_tcl || !r300->rs_state->enable_vte)
{
for (i = 0; i < info->num_inputs; i++) {
- switch (info->input_semantic_name[i]) {
+ switch (r300->vs->code.inputs[i]) {
case TGSI_SEMANTIC_POSITION:
pos = TRUE;
tab[i] = 0;
@@ -62,10 +95,12 @@ static void r300_vs_tab_routes(struct r300_context* r300,
cols++;
break;
case TGSI_SEMANTIC_PSIZE:
+ assert(psize == FALSE);
psize = TRUE;
tab[i] = 15;
break;
case TGSI_SEMANTIC_FOG:
+ assert(fog == FALSE);
fog = TRUE;
/* Fall through */
case TGSI_SEMANTIC_GENERIC:
@@ -124,7 +159,9 @@ static void r300_vs_tab_routes(struct r300_context* r300,
vinfo->hwfmt[0] = 0x5555; /* XXX this is classic Mesa bonghits */
- if (!pos) {
+ /* We need to add vertex position attribute only for SW TCL case,
+ * for HW TCL case it could be generated by vertex shader */
+ if (!pos && !r300screen->caps->has_tcl) {
debug_printf("r300: Forcing vertex position attribute emit...\n");
/* Make room for the position attribute
* at the beginning of the tab. */
@@ -163,7 +200,7 @@ static void r300_vs_tab_routes(struct r300_context* r300,
vinfo->hwfmt[3] |= (4 << (3 * i));
}
- for (i; i < texs; i++) {
+ for (; i < texs; i++) {
draw_emit_vertex_attr(vinfo, EMIT_4F, INTERP_PERSPECTIVE,
draw_find_vs_output(r300->draw, TGSI_SEMANTIC_GENERIC, i));
vinfo->hwfmt[1] |= (R300_INPUT_CNTL_TC0 << i);
@@ -187,21 +224,22 @@ static void r300_vertex_psc(struct r300_context* r300,
struct r300_screen* r300screen = r300_screen(r300->context.screen);
struct vertex_info* vinfo = &vformat->vinfo;
int* tab = vformat->vs_tab;
- uint32_t temp;
- int i, attrib_count;
+ uint16_t type, swizzle;
+ enum pipe_format format;
+ unsigned i, attrib_count;
/* Vertex shaders have no semantics on their inputs,
* so PSC should just route stuff based on their info,
* and not on attrib information. */
if (r300screen->caps->has_tcl) {
attrib_count = r300->vs->info.num_inputs;
- debug_printf("r300: routing %d attribs in psc for vs\n",
+ DBG(r300, DBG_DRAW, "r300: routing %d attribs in psc for vs\n",
attrib_count);
} else {
attrib_count = vinfo->num_attribs;
- debug_printf("r300: attrib count: %d\n", attrib_count);
+ DBG(r300, DBG_DRAW, "r300: attrib count: %d\n", attrib_count);
for (i = 0; i < attrib_count; i++) {
- debug_printf("r300: attrib: offset %d, interp %d, size %d,"
+ DBG(r300, DBG_DRAW, "r300: attrib: offset %d, interp %d, size %d,"
" tab %d\n", vinfo->attrib[i].src_index,
vinfo->attrib[i].interp_mode, vinfo->attrib[i].emit,
tab[i]);
@@ -209,64 +247,43 @@ static void r300_vertex_psc(struct r300_context* r300,
}
for (i = 0; i < attrib_count; i++) {
- /* Make sure we have a proper destination for our attribute */
+ /* Make sure we have a proper destination for our attribute. */
assert(tab[i] != -1);
- /* Add the attribute to the PSC table. */
- temp = r300screen->caps->has_tcl ?
- R300_DATA_TYPE_FLOAT_4 :
- translate_vertex_data_type(vinfo->attrib[i].emit);
- temp |= tab[i] << R300_DST_VEC_LOC_SHIFT;
+ format = draw_translate_vinfo_format(vinfo->attrib[i].emit);
+
+ /* Obtain the type of data in this attribute. */
+ type = r300_translate_vertex_data_type(format) |
+ tab[i] << R300_DST_VEC_LOC_SHIFT;
+ /* Obtain the swizzle for this attribute. Note that the default
+ * swizzle in the hardware is not XYZW! */
+ swizzle = r300_translate_vertex_data_swizzle(format);
+
+ /* Add the attribute to the PSC table. */
if (i & 1) {
- vformat->vap_prog_stream_cntl[i >> 1] &= 0x0000ffff;
- vformat->vap_prog_stream_cntl[i >> 1] |= temp << 16;
+ vformat->vap_prog_stream_cntl[i >> 1] |= type << 16;
- vformat->vap_prog_stream_cntl_ext[i >> 1] |=
- (R300_VAP_SWIZZLE_XYZW << 16);
+ vformat->vap_prog_stream_cntl_ext[i >> 1] |= swizzle << 16;
} else {
- vformat->vap_prog_stream_cntl[i >> 1] &= 0xffff0000;
- vformat->vap_prog_stream_cntl[i >> 1] |= temp << 0;
+ vformat->vap_prog_stream_cntl[i >> 1] |= type << 0;
- vformat->vap_prog_stream_cntl_ext[i >> 1] |=
- (R300_VAP_SWIZZLE_XYZW << 0);
+ vformat->vap_prog_stream_cntl_ext[i >> 1] |= swizzle << 0;
}
}
/* Set the last vector in the PSC. */
- i--;
+ if (i) {
+ i -= 1;
+ }
vformat->vap_prog_stream_cntl[i >> 1] |=
(R300_LAST_VEC << (i & 1 ? 16 : 0));
}
-/* Update the vertex format. */
-static void r300_update_vertex_format(struct r300_context* r300)
-{
- struct r300_vertex_format vformat;
- int i;
-
- memset(&vformat, 0, sizeof(struct r300_vertex_format));
- for (i = 0; i < 16; i++) {
- vformat.vs_tab[i] = -1;
- vformat.fs_tab[i] = -1;
- }
-
- r300_vs_tab_routes(r300, &vformat);
-
- r300_vertex_psc(r300, &vformat);
-
- if (memcmp(&r300->vertex_info, &vformat,
- sizeof(struct r300_vertex_format))) {
- memcpy(&r300->vertex_info, &vformat,
- sizeof(struct r300_vertex_format));
- r300->dirty_state |= R300_NEW_VERTEX_FORMAT;
- }
-}
-
/* Set up the mappings from GB to US, for RS block. */
-static void r300_update_fs_tab(struct r300_context* r300)
+static void r300_update_fs_tab(struct r300_context* r300,
+ struct r300_vertex_format* vformat)
{
- struct r300_vertex_format* vformat = &r300->vertex_info;
struct tgsi_shader_info* info = &r300->fs->info;
int i, cols = 0, texs = 0, cols_emitted = 0;
int* tab = vformat->fs_tab;
@@ -299,18 +316,18 @@ static void r300_update_fs_tab(struct r300_context* r300)
}
/* Now that we know where everything is... */
- debug_printf("r300: fp input count: %d\n", info->num_inputs);
+ DBG(r300, DBG_DRAW, "r300: fp input count: %d\n", info->num_inputs);
for (i = 0; i < info->num_inputs; i++) {
switch (tab[i]) {
case INTERP_LINEAR:
- debug_printf("r300: attrib: "
+ DBG(r300, DBG_DRAW, "r300: attrib: "
"stack offset %d, color, tab %d\n",
i, cols_emitted);
tab[i] = cols_emitted;
cols_emitted++;
break;
case INTERP_PERSPECTIVE:
- debug_printf("r300: attrib: "
+ DBG(r300, DBG_DRAW, "r300: attrib: "
"stack offset %d, texcoord, tab %d\n",
i, cols + texs);
tab[i] = cols + texs;
@@ -328,53 +345,39 @@ static void r300_update_fs_tab(struct r300_context* r300)
/* Set up the RS block. This is the part of the chipset that actually does
* the rasterization of vertices into fragments. This is also the part of the
* chipset that locks up if any part of it is even slightly wrong. */
-static void r300_update_rs_block(struct r300_context* r300)
+static void r300_update_rs_block(struct r300_context* r300,
+ struct r300_rs_block* rs)
{
- struct r300_rs_block* rs = r300->rs_block;
struct tgsi_shader_info* info = &r300->fs->info;
- int* tab = r300->vertex_info.fs_tab;
- int col_count = 0, fp_offset = 0, i, memory_pos, tex_count = 0;
-
- memset(rs, 0, sizeof(struct r300_rs_block));
+ int col_count = 0, fp_offset = 0, i, tex_count = 0;
+ int rs_tex_comp = 0;
if (r300_screen(r300->context.screen)->caps->is_r500) {
for (i = 0; i < info->num_inputs; i++) {
- assert(tab[i] != -1);
- memory_pos = tab[i] * 4;
switch (info->input_semantic_name[i]) {
case TGSI_SEMANTIC_COLOR:
rs->ip[col_count] |=
- R500_RS_COL_PTR(memory_pos) |
+ R500_RS_COL_PTR(col_count) |
R500_RS_COL_FMT(R300_RS_COL_FMT_RGBA);
col_count++;
break;
case TGSI_SEMANTIC_GENERIC:
rs->ip[tex_count] |=
- R500_RS_SEL_S(memory_pos) |
- R500_RS_SEL_T(memory_pos + 1) |
- R500_RS_SEL_R(memory_pos + 2) |
- R500_RS_SEL_Q(memory_pos + 3);
+ R500_RS_SEL_S(rs_tex_comp) |
+ R500_RS_SEL_T(rs_tex_comp + 1) |
+ R500_RS_SEL_R(rs_tex_comp + 2) |
+ R500_RS_SEL_Q(rs_tex_comp + 3);
tex_count++;
+ rs_tex_comp += 4;
break;
default:
break;
}
}
- if (col_count == 0) {
- rs->ip[0] |= R500_RS_COL_FMT(R300_RS_COL_FMT_0001);
- }
-
- if (tex_count == 0) {
- rs->ip[0] |=
- R500_RS_SEL_S(R500_RS_IP_PTR_K0) |
- R500_RS_SEL_T(R500_RS_IP_PTR_K0) |
- R500_RS_SEL_R(R500_RS_IP_PTR_K0) |
- R500_RS_SEL_Q(R500_RS_IP_PTR_K1);
- }
-
/* Rasterize at least one color, or bad things happen. */
if ((col_count == 0) && (tex_count == 0)) {
+ rs->ip[0] |= R500_RS_COL_FMT(R300_RS_COL_FMT_0001);
col_count++;
}
@@ -391,23 +394,22 @@ static void r300_update_rs_block(struct r300_context* r300)
}
} else {
for (i = 0; i < info->num_inputs; i++) {
- assert(tab[i] != -1);
- memory_pos = tab[i] * 4;
switch (info->input_semantic_name[i]) {
case TGSI_SEMANTIC_COLOR:
rs->ip[col_count] |=
- R300_RS_COL_PTR(memory_pos) |
+ R300_RS_COL_PTR(col_count) |
R300_RS_COL_FMT(R300_RS_COL_FMT_RGBA);
col_count++;
break;
case TGSI_SEMANTIC_GENERIC:
rs->ip[tex_count] |=
- R300_RS_TEX_PTR(memory_pos) |
+ R300_RS_TEX_PTR(rs_tex_comp) |
R300_RS_SEL_S(R300_RS_SEL_C0) |
R300_RS_SEL_T(R300_RS_SEL_C1) |
R300_RS_SEL_R(R300_RS_SEL_C2) |
R300_RS_SEL_Q(R300_RS_SEL_C3);
tex_count++;
+ rs_tex_comp+=4;
break;
default:
break;
@@ -444,21 +446,110 @@ static void r300_update_rs_block(struct r300_context* r300)
}
}
- rs->count = (tex_count * 4) | (col_count << R300_IC_COUNT_SHIFT) |
+ rs->count = (rs_tex_comp) | (col_count << R300_IC_COUNT_SHIFT) |
R300_HIRES_EN;
rs->inst_count = MAX2(MAX2(col_count - 1, tex_count - 1), 0);
}
+/* Update the vertex format. */
+static void r300_update_derived_shader_state(struct r300_context* r300)
+{
+ struct r300_shader_key* key;
+ struct r300_vertex_format* vformat;
+ struct r300_rs_block* rs_block;
+ struct r300_shader_derived_value* value;
+ int i;
+
+ /*
+ key = CALLOC_STRUCT(r300_shader_key);
+ key->vs = r300->vs;
+ key->fs = r300->fs;
+
+ value = (struct r300_shader_derived_value*)
+ util_hash_table_get(r300->shader_hash_table, (void*)key);
+ if (value) {
+ //vformat = value->vformat;
+ rs_block = value->rs_block;
+
+ FREE(key);
+ } else {
+ rs_block = CALLOC_STRUCT(r300_rs_block);
+ value = CALLOC_STRUCT(r300_shader_derived_value);
+
+ r300_update_rs_block(r300, rs_block);
+
+ //value->vformat = vformat;
+ value->rs_block = rs_block;
+ util_hash_table_set(r300->shader_hash_table,
+ (void*)key, (void*)value);
+ } */
+
+ /* XXX This will be refactored ASAP. */
+ vformat = CALLOC_STRUCT(r300_vertex_format);
+ rs_block = CALLOC_STRUCT(r300_rs_block);
+
+ for (i = 0; i < 16; i++) {
+ vformat->vs_tab[i] = -1;
+ vformat->fs_tab[i] = -1;
+ }
+
+ r300_vs_tab_routes(r300, vformat);
+ r300_vertex_psc(r300, vformat);
+ r300_update_fs_tab(r300, vformat);
+
+ r300_update_rs_block(r300, rs_block);
+
+ FREE(r300->vertex_info);
+ FREE(r300->rs_block);
+
+ r300->vertex_info = vformat;
+ r300->rs_block = rs_block;
+ r300->dirty_state |= (R300_NEW_VERTEX_FORMAT | R300_NEW_RS_BLOCK);
+}
+
+static void r300_update_ztop(struct r300_context* r300)
+{
+ r300->ztop_state.z_buffer_top = R300_ZTOP_ENABLE;
+
+ /* This is important enough that I felt it warranted a comment.
+ *
+ * According to the docs, these are the conditions where ZTOP must be
+ * disabled:
+ * 1) Alpha testing enabled
+ * 2) Texture kill instructions in fragment shader
+ * 3) Chroma key culling enabled
+ * 4) W-buffering enabled
+ *
+ * The docs claim that for the first three cases, if no ZS writes happen,
+ * then ZTOP can be used.
+ *
+ * Additionally, the following conditions require disabled ZTOP:
+ * ~) Depth writes in fragment shader
+ * ~) Outstanding occlusion queries
+ *
+ * ~C.
+ */
+ if (r300->dsa_state->alpha_function) {
+ r300->ztop_state.z_buffer_top = R300_ZTOP_DISABLE;
+ } else if (r300->fs->info.uses_kill) {
+ r300->ztop_state.z_buffer_top = R300_ZTOP_DISABLE;
+ } else if (r300_fragment_shader_writes_depth(r300->fs)) {
+ r300->ztop_state.z_buffer_top = R300_ZTOP_DISABLE;
+ } else if (r300->query_current) {
+ r300->ztop_state.z_buffer_top = R300_ZTOP_DISABLE;
+ }
+}
+
void r300_update_derived_state(struct r300_context* r300)
{
if (r300->dirty_state &
- (R300_NEW_FRAGMENT_SHADER | R300_NEW_VERTEX_SHADER)) {
- r300_update_vertex_format(r300);
+ (R300_NEW_FRAGMENT_SHADER | R300_NEW_VERTEX_SHADER)) {
+ r300_update_derived_shader_state(r300);
}
- if (r300->dirty_state & R300_NEW_VERTEX_FORMAT) {
- r300_update_fs_tab(r300);
- r300_update_rs_block(r300);
+ if (r300->dirty_state &
+ (R300_NEW_DSA | R300_NEW_FRAGMENT_SHADER | R300_NEW_QUERY)) {
+ r300_update_ztop(r300);
}
}