struct r300_shader_semantics *fs_inputs = &r300_fs(r300)->shader->inputs;
struct r300_rs_block rs = {0};
int i, col_count = 0, tex_count = 0, fp_offset = 0, count, loc = 0, tex_ptr = 0;
+ int gen_offset = 0;
void (*rX00_rs_col)(struct r300_rs_block*, int, int, enum r300_rs_swizzle);
void (*rX00_rs_col_write)(struct r300_rs_block*, int, int, enum r300_rs_col_write_type);
void (*rX00_rs_tex)(struct r300_rs_block*, int, int, enum r300_rs_swizzle);
fprintf(stderr, "r300: ERROR: FS input FACE unassigned.\n");
}
+ /* Re-use color varyings for texcoords if possible.
+ *
+ * The colors are interpolated as 20-bit floats (reduced precision),
+ * Use this hack only if there are too many generic varyings.
+ * (number of generic varyings + fog + wpos > 8) */
+ if (r300->screen->caps.is_r500 && !any_bcolor_used && !r300->flatshade &&
+ fs_inputs->face == ATTR_UNUSED &&
+ vs_outputs->num_generic + (vs_outputs->fog != ATTR_UNUSED) +
+ (fs_inputs->wpos != ATTR_UNUSED) > 8) {
+ for (i = 0; i < ATTR_GENERIC_COUNT && col_count < 2; i++) {
+ /* Cannot use color varyings for sprite coords. */
+ if (fs_inputs->generic[i] != ATTR_UNUSED &&
+ (r300->sprite_coord_enable & (1 << i))) {
+ break;
+ }
+
+ if (vs_outputs->generic[i] != ATTR_UNUSED) {
+ /* Set up the color in VAP. */
+ rs.vap_vsm_vtx_assm |= R300_INPUT_CNTL_COLOR;
+ rs.vap_out_vtx_fmt[0] |=
+ R300_VAP_OUTPUT_VTX_FMT_0__COLOR_0_PRESENT << col_count;
+ stream_loc_notcl[loc++] = 2 + col_count;
+
+ /* Rasterize it. */
+ rX00_rs_col(&rs, col_count, col_count, SWIZ_XYZW);
+
+ /* Write it to the FS input register if it's needed by the FS. */
+ if (fs_inputs->generic[i] != ATTR_UNUSED) {
+ rX00_rs_col_write(&rs, col_count, fp_offset, WRITE_COLOR);
+ fp_offset++;
+
+ DBG(r300, DBG_RS,
+ "r300: Rasterized generic %i redirected to color %i and written to FS.\n",
+ i, col_count);
+ } else {
+ DBG(r300, DBG_RS, "r300: Rasterized generic %i redirected to color %i unused.\n",
+ i, col_count);
+ }
+ col_count++;
+ } else {
+ /* Skip the FS input register, leave it uninitialized. */
+ /* If we try to set it to (0,0,0,1), it will lock up. */
+ if (fs_inputs->generic[i] != ATTR_UNUSED) {
+ fp_offset++;
+
+ DBG(r300, DBG_RS, "r300: FS input generic %i unassigned%s.\n", i);
+ }
+ }
+ }
+ gen_offset = i;
+ }
+
/* Rasterize texture coordinates. */
- for (i = 0; i < ATTR_GENERIC_COUNT && tex_count < 8; i++) {
- bool sprite_coord = false;
+ for (i = gen_offset; i < ATTR_GENERIC_COUNT && tex_count < 8; i++) {
+ boolean sprite_coord = false;
if (fs_inputs->generic[i] != ATTR_UNUSED) {
sprite_coord = !!(r300->sprite_coord_enable & (1 << i));
{
const struct util_format_description *desc;
float border_swizzled[4] = {0};
- unsigned i;
union util_color uc = {0};
desc = util_format_description(format);
case PIPE_FORMAT_Z16_UNORM:
return util_pack_z(PIPE_FORMAT_Z16_UNORM, border[0]);
case PIPE_FORMAT_X8Z24_UNORM:
- case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ case PIPE_FORMAT_S8_UINT_Z24_UNORM:
if (is_r500) {
return util_pack_z(PIPE_FORMAT_X8Z24_UNORM, border[0]);
} else {
}
/* Apply inverse swizzle of the format. */
- for (i = 0; i < 4; i++) {
- switch (desc->swizzle[i]) {
- case UTIL_FORMAT_SWIZZLE_X:
- border_swizzled[0] = border[i];
- break;
- case UTIL_FORMAT_SWIZZLE_Y:
- border_swizzled[1] = border[i];
- break;
- case UTIL_FORMAT_SWIZZLE_Z:
- border_swizzled[2] = border[i];
- break;
- case UTIL_FORMAT_SWIZZLE_W:
- border_swizzled[3] = border[i];
- break;
- }
- }
+ util_format_unswizzle_4f(border_swizzled, border, desc->swizzle);
/* Compressed formats. */
if (util_format_is_compressed(format)) {
case PIPE_FORMAT_LATC2_UNORM:
util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc);
return uc.ui;
+ case PIPE_FORMAT_DXT1_SRGB:
+ case PIPE_FORMAT_DXT1_SRGBA:
+ case PIPE_FORMAT_DXT3_SRGBA:
+ case PIPE_FORMAT_DXT5_SRGBA:
+ util_pack_color(border_swizzled, PIPE_FORMAT_B8G8R8A8_SRGB, &uc);
+ return uc.ui;
default:
util_pack_color(border_swizzled, PIPE_FORMAT_B8G8R8A8_UNORM, &uc);
return uc.ui;
default:
case 8:
- if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED)
- util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SNORM, &uc);
- else
- util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc);
+ if (desc->channel[0].type == UTIL_FORMAT_TYPE_SIGNED) {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SNORM, &uc);
+ } else if (desc->colorspace == UTIL_FORMAT_COLORSPACE_SRGB) {
+ if (desc->nr_channels == 2) {
+ border_swizzled[3] = border_swizzled[1];
+ util_pack_color(border_swizzled, PIPE_FORMAT_L8A8_SRGB, &uc);
+ } else {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_SRGB, &uc);
+ }
+ } else {
+ util_pack_color(border_swizzled, PIPE_FORMAT_R8G8B8A8_UNORM, &uc);
+ }
break;
case 10:
return uc.ui;
}
-static boolean util_format_is_float(enum pipe_format format)
-{
- const struct util_format_description *desc = util_format_description(format);
- unsigned i;
-
- if (!format)
- return FALSE;
-
- /* Find the first non-void channel. */
- for (i = 0; i < 4; i++)
- if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID)
- break;
-
- if (i == 4)
- return FALSE;
-
- return desc->channel[i].type == UTIL_FORMAT_TYPE_FLOAT ? TRUE : FALSE;
-}
-
static void r300_merge_textures_and_samplers(struct r300_context* r300)
{
struct r300_textures_state *state =
struct r300_sampler_state *sampler;
struct r300_sampler_view *view;
struct r300_resource *tex;
- unsigned min_level, max_level, i, j, size;
+ unsigned base_level, min_level, level_count, i, j, size;
unsigned count = MIN2(state->sampler_view_count,
state->sampler_state_count);
+ boolean has_us_format = r300->screen->caps.has_us_format;
/* The KIL opcode fix, see below. */
if (!count && !r300->screen->caps.is_r500)
/* Set the border color. */
texstate->border_color =
r300_get_border_color(view->base.format,
- sampler->state.border_color,
+ sampler->state.border_color.f,
r300->screen->caps.is_r500);
/* determine min/max levels */
- max_level = MIN3(sampler->max_lod + view->base.u.tex.first_level,
- tex->b.b.b.last_level, view->base.u.tex.last_level);
- min_level = MIN2(sampler->min_lod + view->base.u.tex.first_level,
- max_level);
-
- if (tex->tex.is_npot && min_level > 0) {
- /* Even though we do not implement mipmapping for NPOT
- * textures, we should at least honor the minimum level
- * which is allowed to be displayed. We do this by setting up
- * the i-th mipmap level as the zero level. */
- unsigned offset = tex->tex_offset +
- tex->tex.offset_in_bytes[min_level];
+ base_level = view->base.u.tex.first_level;
+ min_level = sampler->min_lod;
+ level_count = MIN3(sampler->max_lod,
+ tex->b.b.last_level - base_level,
+ view->base.u.tex.last_level - base_level);
+
+ if (base_level + min_level) {
+ unsigned offset;
+
+ if (tex->tex.is_npot) {
+ /* Even though we do not implement mipmapping for NPOT
+ * textures, we should at least honor the minimum level
+ * which is allowed to be displayed. We do this by setting up
+ * an i-th mipmap level as the zero level. */
+ base_level += min_level;
+ }
+ offset = tex->tex.offset_in_bytes[base_level];
r300_texture_setup_format_state(r300->screen, tex,
- min_level,
+ view->base.format,
+ base_level,
+ view->width0_override,
+ view->height0_override,
&texstate->format);
texstate->format.tile_config |= offset & 0xffffffe0;
assert((offset & 0x1f) == 0);
- } else {
- texstate->format.tile_config |= tex->tex_offset & 0xffffffe0;
- assert((tex->tex_offset & 0x1f) == 0);
}
/* Assign a texture cache region. */
texstate->format.format1 |= view->texcache_region;
/* Depth textures are kinda special. */
- if (util_format_is_depth_or_stencil(tex->b.b.b.format)) {
+ if (util_format_is_depth_or_stencil(view->base.format)) {
unsigned char depth_swizzle[4];
if (!r300->screen->caps.is_r500 &&
- util_format_get_blocksizebits(tex->b.b.b.format) == 32) {
+ util_format_get_blocksizebits(view->base.format) == 32) {
/* X24x8 is sampled as Y16X16 on r3xx-r4xx.
* The depth here is at the Y component. */
for (j = 0; j < 4; j++)
}
if (r300->screen->caps.dxtc_swizzle &&
- util_format_is_compressed(tex->b.b.b.format)) {
+ util_format_is_compressed(view->base.format)) {
texstate->filter1 |= R400_DXTC_SWIZZLE_ENABLE;
}
/* to emulate 1D textures through 2D ones correctly */
- if (tex->b.b.b.target == PIPE_TEXTURE_1D) {
+ if (tex->b.b.target == PIPE_TEXTURE_1D) {
texstate->filter0 &= ~R300_TX_WRAP_T_MASK;
texstate->filter0 |= R300_TX_WRAP_T(R300_TX_CLAMP_TO_EDGE);
}
+ /* The hardware doesn't like CLAMP and CLAMP_TO_BORDER
+ * for the 3rd coordinate if the texture isn't 3D. */
+ if (tex->b.b.target != PIPE_TEXTURE_3D) {
+ texstate->filter0 &= ~R300_TX_WRAP_R_MASK;
+ }
+
if (tex->tex.is_npot) {
/* NPOT textures don't support mip filter, unfortunately.
* This prevents incorrect rendering. */
}
} else {
/* the MAX_MIP level is the largest (finest) one */
- texstate->format.format0 |= R300_TX_NUM_LEVELS(max_level);
+ texstate->format.format0 |= R300_TX_NUM_LEVELS(level_count);
texstate->filter0 |= R300_TX_MAX_MIP_LEVEL(min_level);
}
/* Float textures only support nearest and mip-nearest filtering. */
- if (util_format_is_float(tex->b.b.b.format)) {
+ if (util_format_is_float(view->base.format)) {
/* No MAG linear filtering. */
if ((texstate->filter0 & R300_TX_MAG_FILTER_MASK) ==
R300_TX_MAG_FILTER_LINEAR) {
texstate->filter0 |= i << 28;
- size += 16;
+ size += 16 + (has_us_format ? 2 : 0);
state->count = i+1;
} else {
/* For the KIL opcode to work on r3xx-r4xx, the texture unit
texstate->border_color = 0;
texstate->filter0 |= i << 28;
- size += 16;
+ size += 16 + (has_us_format ? 2 : 0);
state->count = i+1;
}
}
state->sampler_state_count);
unsigned i;
- if (!r300->hyperz_locked || !r300->locked_zbuffer) {
+ if (!r300->locked_zbuffer) {
return;
}