static void
upload_default_color(struct brw_context *brw,
const struct gl_sampler_object *sampler,
- int unit,
+ mesa_format format, GLenum base_format,
+ bool is_integer_format,
uint32_t *sdc_offset)
{
- struct gl_context *ctx = &brw->ctx;
- struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- struct gl_texture_object *texObj = texUnit->_Current;
- struct gl_texture_image *firstImage = texObj->Image[0][texObj->BaseLevel];
union gl_color_union color;
- switch (firstImage->_BaseFormat) {
+ switch (base_format) {
case GL_DEPTH_COMPONENT:
/* GL specs that border color for depth textures is taken from the
* R channel, while the hardware uses A. Spam R into all the
* where we've initialized the A channel to 1.0. We also have to set
* the border color alpha to 1.0 in that case.
*/
- if (firstImage->_BaseFormat == GL_RGB)
+ if (base_format == GL_RGB)
color.ui[3] = float_as_int(1.0);
if (brw->gen >= 8) {
uint32_t *sdc = brw_state_batch(brw, AUB_TRACE_SAMPLER_DEFAULT_COLOR,
4 * 4, 64, sdc_offset);
memcpy(sdc, color.ui, 4 * 4);
- } else if (brw->is_haswell && texObj->_IsIntegerFormat) {
+ } else if (brw->is_haswell && is_integer_format) {
/* Haswell's integer border color support is completely insane:
* SAMPLER_BORDER_COLOR_STATE is 20 DWords. The first four are
* for float colors. The next 12 DWords are MBZ and only exist to
memset(sdc, 0, 20 * 4);
sdc = &sdc[16];
- mesa_format format = firstImage->TexFormat;
int bits_per_channel = _mesa_get_format_bits(format, GL_RED_BITS);
/* From the Haswell PRM, "Command Reference: Structures", Page 36:
((uint16_t *) sdc)[5] = c[3]; /* A -> DWord 3, bits 31:16 */
break;
case 32:
- if (firstImage->_BaseFormat == GL_RG) {
+ if (base_format == GL_RG) {
/* Careful inspection of the tables reveals that for RG32 formats,
* the green channel needs to go where blue normally belongs.
*/
* Sets the sampler state for a single unit based off of the sampler key
* entry.
*/
-static void
+void
brw_update_sampler_state(struct brw_context *brw,
- int unit,
+ GLenum target, bool tex_cube_map_seamless,
+ GLfloat tex_unit_lod_bias,
+ mesa_format format, GLenum base_format,
+ bool is_integer_format,
+ const struct gl_sampler_object *sampler,
uint32_t *sampler_state,
uint32_t batch_offset_for_sampler_state)
{
- struct gl_context *ctx = &brw->ctx;
- const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
- const struct gl_texture_object *texObj = texUnit->_Current;
- const struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit);
-
- /* These don't use samplers at all. */
- if (texObj->Target == GL_TEXTURE_BUFFER)
- return;
-
unsigned min_filter, mag_filter, mip_filter;
/* Select min and mip filters. */
/* Enable anisotropic filtering if desired. */
unsigned max_anisotropy = BRW_ANISORATIO_2;
- if (sampler->MaxAnisotropy > 1.0) {
+ if (sampler->MaxAnisotropy > 1.0f) {
min_filter = BRW_MAPFILTER_ANISOTROPIC;
mag_filter = BRW_MAPFILTER_ANISOTROPIC;
- if (sampler->MaxAnisotropy > 2.0) {
+ if (sampler->MaxAnisotropy > 2.0f) {
max_anisotropy =
MIN2((sampler->MaxAnisotropy - 2) / 2, BRW_ANISORATIO_16);
}
unsigned wrap_t = translate_wrap_mode(brw, sampler->WrapT, either_nearest);
unsigned wrap_r = translate_wrap_mode(brw, sampler->WrapR, either_nearest);
- if (texObj->Target == GL_TEXTURE_CUBE_MAP ||
- texObj->Target == GL_TEXTURE_CUBE_MAP_ARRAY) {
+ if (target == GL_TEXTURE_CUBE_MAP ||
+ target == GL_TEXTURE_CUBE_MAP_ARRAY) {
/* Cube maps must use the same wrap mode for all three coordinate
* dimensions. Prior to Haswell, only CUBE and CLAMP are valid.
*/
- if ((ctx->Texture.CubeMapSeamless || sampler->CubeMapSeamless) &&
+ if ((tex_cube_map_seamless || sampler->CubeMapSeamless) &&
(sampler->MinFilter != GL_NEAREST ||
sampler->MagFilter != GL_NEAREST)) {
wrap_s = BRW_TEXCOORDMODE_CUBE;
wrap_t = BRW_TEXCOORDMODE_CLAMP;
wrap_r = BRW_TEXCOORDMODE_CLAMP;
}
- } else if (texObj->Target == GL_TEXTURE_1D) {
+ } else if (target == GL_TEXTURE_1D) {
/* There's a bug in 1D texture sampling - it actually pays
* attention to the wrap_t value, though it should not.
* Override the wrap_t value here to GL_REPEAT to keep
const unsigned min_lod = U_FIXED(CLAMP(sampler->MinLod, 0, 13), lod_bits);
const unsigned max_lod = U_FIXED(CLAMP(sampler->MaxLod, 0, 13), lod_bits);
const int lod_bias =
- S_FIXED(CLAMP(texUnit->LodBias + sampler->LodBias, -16, 15), lod_bits);
+ S_FIXED(CLAMP(tex_unit_lod_bias + sampler->LodBias, -16, 15), lod_bits);
const unsigned base_level = U_FIXED(0, 1);
/* Upload the border color if necessary. If not, just point it at
if (wrap_mode_needs_border_color(wrap_s) ||
wrap_mode_needs_border_color(wrap_t) ||
wrap_mode_needs_border_color(wrap_r)) {
- upload_default_color(brw, sampler, unit, &border_color_offset);
+ upload_default_color(brw, sampler,
+ format, base_format, is_integer_format,
+ &border_color_offset);
}
- const bool non_normalized_coords = texObj->Target == GL_TEXTURE_RECTANGLE;
+ const bool non_normalized_coords = target == GL_TEXTURE_RECTANGLE;
brw_emit_sampler_state(brw,
sampler_state,
border_color_offset);
}
+static void
+update_sampler_state(struct brw_context *brw,
+ int unit,
+ uint32_t *sampler_state,
+ uint32_t batch_offset_for_sampler_state)
+{
+ struct gl_context *ctx = &brw->ctx;
+ const struct gl_texture_unit *texUnit = &ctx->Texture.Unit[unit];
+ const struct gl_texture_object *texObj = texUnit->_Current;
+ const struct gl_sampler_object *sampler = _mesa_get_samplerobj(ctx, unit);
+
+ /* These don't use samplers at all. */
+ if (texObj->Target == GL_TEXTURE_BUFFER)
+ return;
+
+ struct gl_texture_image *firstImage = texObj->Image[0][texObj->BaseLevel];
+ brw_update_sampler_state(brw, texObj->Target, ctx->Texture.CubeMapSeamless,
+ texUnit->LodBias,
+ firstImage->TexFormat, firstImage->_BaseFormat,
+ texObj->_IsIntegerFormat,
+ sampler,
+ sampler_state, batch_offset_for_sampler_state);
+}
static void
brw_upload_sampler_state_table(struct brw_context *brw,
if (SamplersUsed & (1 << s)) {
const unsigned unit = prog->SamplerUnits[s];
if (ctx->Texture.Unit[unit]._Current) {
- brw_update_sampler_state(brw, unit, sampler_state,
+ update_sampler_state(brw, unit, sampler_state,
batch_offset_for_sampler_state);
}
}
/* Flag that the sampler state table pointer has changed; later atoms
* will handle it.
*/
- brw->state.dirty.brw |= BRW_NEW_SAMPLER_STATE_TABLE;
+ brw->ctx.NewDriverState |= BRW_NEW_SAMPLER_STATE_TABLE;
}
}