#include "i915_state.h"
#include "i915_state_inlines.h"
-/* None of this state is actually used for anything yet.
+
+/* The i915 (and related graphics cores) do not support GL_CLAMP. The
+ * Intel drivers for "other operating systems" implement GL_CLAMP as
+ * GL_CLAMP_TO_EDGE, so the same is done here.
*/
+static unsigned
+translate_wrap_mode(unsigned wrap)
+{
+ switch (wrap) {
+ case PIPE_TEX_WRAP_REPEAT:
+ return TEXCOORDMODE_WRAP;
+ case PIPE_TEX_WRAP_CLAMP:
+ return TEXCOORDMODE_CLAMP_EDGE; /* not quite correct */
+ case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
+ return TEXCOORDMODE_CLAMP_EDGE;
+ case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
+ return TEXCOORDMODE_CLAMP_BORDER;
+// case PIPE_TEX_WRAP_MIRRORED_REPEAT:
+// return TEXCOORDMODE_MIRROR;
+ default:
+ return TEXCOORDMODE_WRAP;
+ }
+}
+static unsigned translate_img_filter( unsigned filter )
+{
+ switch (filter) {
+ case PIPE_TEX_FILTER_NEAREST:
+ return FILTER_NEAREST;
+ case PIPE_TEX_FILTER_LINEAR:
+ return FILTER_LINEAR;
+ default:
+ assert(0);
+ return FILTER_NEAREST;
+ }
+}
+
+static unsigned translate_mip_filter( unsigned filter )
+{
+ switch (filter) {
+ case PIPE_TEX_MIPFILTER_NONE:
+ return MIPFILTER_NONE;
+ case PIPE_TEX_MIPFILTER_NEAREST:
+ return MIPFILTER_NEAREST;
+ case PIPE_TEX_FILTER_LINEAR:
+ return MIPFILTER_LINEAR;
+ default:
+ assert(0);
+ return MIPFILTER_NONE;
+ }
+}
+
+static unsigned translate_compare_func(unsigned func)
+{
+ switch (func) {
+ case PIPE_FUNC_NEVER:
+ case PIPE_FUNC_LESS:
+ case PIPE_FUNC_EQUAL:
+ case PIPE_FUNC_LEQUAL:
+ case PIPE_FUNC_GREATER:
+ case PIPE_FUNC_NOTEQUAL:
+ case PIPE_FUNC_GEQUAL:
+ case PIPE_FUNC_ALWAYS:
+ return 0;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+
+/* None of this state is actually used for anything yet.
+ */
static void *
i915_create_blend_state(struct pipe_context *pipe,
const struct pipe_blend_state *blend)
i915_create_sampler_state(struct pipe_context *pipe,
const struct pipe_sampler_state *sampler)
{
- return 0;
+ struct i915_sampler_state *cso = calloc(1, sizeof(struct i915_sampler_state));
+ cso->templ = sampler;
+
+ const unsigned ws = sampler->wrap_s;
+ const unsigned wt = sampler->wrap_t;
+ const unsigned wr = sampler->wrap_r;
+ unsigned minFilt, magFilt;
+ unsigned mipFilt;
+
+ mipFilt = translate_mip_filter(sampler->min_mip_filter);
+ if (sampler->max_anisotropy > 1.0) {
+ minFilt = FILTER_ANISOTROPIC;
+ magFilt = FILTER_ANISOTROPIC;
+ }
+ else {
+ minFilt = translate_img_filter( sampler->min_img_filter );
+ magFilt = translate_img_filter( sampler->mag_img_filter );
+ }
+
+ {
+ int b = sampler->lod_bias * 16.0;
+ b = CLAMP(b, -256, 255);
+ cso->state[0] |= ((b << SS2_LOD_BIAS_SHIFT) & SS2_LOD_BIAS_MASK);
+ }
+
+ /* Shadow:
+ */
+ if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE)
+ {
+ cso->state[0] |= (SS2_SHADOW_ENABLE |
+ translate_compare_func(sampler->compare_func));
+
+ minFilt = FILTER_4X4_FLAT;
+ magFilt = FILTER_4X4_FLAT;
+ }
+
+ cso->state[0] |= ((minFilt << SS2_MIN_FILTER_SHIFT) |
+ (mipFilt << SS2_MIP_FILTER_SHIFT) |
+ (magFilt << SS2_MAG_FILTER_SHIFT));
+
+ cso->state[1] |=
+ ((translate_wrap_mode(ws) << SS3_TCX_ADDR_MODE_SHIFT) |
+ (translate_wrap_mode(wt) << SS3_TCY_ADDR_MODE_SHIFT) |
+ (translate_wrap_mode(wr) << SS3_TCZ_ADDR_MODE_SHIFT));
+
+ {
+ ubyte r = float_to_ubyte(sampler->border_color[0]);
+ ubyte g = float_to_ubyte(sampler->border_color[1]);
+ ubyte b = float_to_ubyte(sampler->border_color[2]);
+ ubyte a = float_to_ubyte(sampler->border_color[3]);
+ cso->state[2] = I915PACKCOLOR8888(r, g, b, a);
+ }
+ return cso;
}
static void i915_bind_sampler_state(struct pipe_context *pipe,
struct i915_context *i915 = i915_context(pipe);
assert(unit < PIPE_MAX_SAMPLERS);
- i915->sampler[unit] = (const struct pipe_sampler_state *)sampler;
+ i915->sampler[unit] = (const struct i915_sampler_state*)sampler;
i915->dirty |= I915_NEW_SAMPLER;
}
static void i915_delete_sampler_state(struct pipe_context *pipe,
void *sampler)
{
+ free(sampler);
}
#include "i915_state.h"
//#include "i915_cache.h"
-
-
-
-
-
-/* The i915 (and related graphics cores) do not support GL_CLAMP. The
- * Intel drivers for "other operating systems" implement GL_CLAMP as
- * GL_CLAMP_TO_EDGE, so the same is done here.
- */
-static unsigned
-translate_wrap_mode(unsigned wrap)
-{
- switch (wrap) {
- case PIPE_TEX_WRAP_REPEAT:
- return TEXCOORDMODE_WRAP;
- case PIPE_TEX_WRAP_CLAMP:
- return TEXCOORDMODE_CLAMP_EDGE; /* not quite correct */
- case PIPE_TEX_WRAP_CLAMP_TO_EDGE:
- return TEXCOORDMODE_CLAMP_EDGE;
- case PIPE_TEX_WRAP_CLAMP_TO_BORDER:
- return TEXCOORDMODE_CLAMP_BORDER;
-// case PIPE_TEX_WRAP_MIRRORED_REPEAT:
-// return TEXCOORDMODE_MIRROR;
- default:
- return TEXCOORDMODE_WRAP;
- }
-}
-
-static unsigned translate_img_filter( unsigned filter )
-{
- switch (filter) {
- case PIPE_TEX_FILTER_NEAREST:
- return FILTER_NEAREST;
- case PIPE_TEX_FILTER_LINEAR:
- return FILTER_LINEAR;
- default:
- assert(0);
- return FILTER_NEAREST;
- }
-}
-
-static unsigned translate_mip_filter( unsigned filter )
-{
- switch (filter) {
- case PIPE_TEX_MIPFILTER_NONE:
- return MIPFILTER_NONE;
- case PIPE_TEX_MIPFILTER_NEAREST:
- return MIPFILTER_NEAREST;
- case PIPE_TEX_FILTER_LINEAR:
- return MIPFILTER_LINEAR;
- default:
- assert(0);
- return MIPFILTER_NONE;
- }
-}
-
-static unsigned translate_compare_func(unsigned func)
-{
- switch (func) {
- case PIPE_FUNC_NEVER:
- case PIPE_FUNC_LESS:
- case PIPE_FUNC_EQUAL:
- case PIPE_FUNC_LEQUAL:
- case PIPE_FUNC_GREATER:
- case PIPE_FUNC_NOTEQUAL:
- case PIPE_FUNC_GEQUAL:
- case PIPE_FUNC_ALWAYS:
- return 0;
- default:
- assert(0);
- return 0;
- }
-}
-
-
static uint
bitcount(uint k)
{
*/
static void update_sampler(struct i915_context *i915,
uint unit,
- const struct pipe_sampler_state *sampler,
+ const struct i915_sampler_state *sampler,
const struct pipe_mipmap_tree *mt,
unsigned state[3] )
{
- const unsigned ws = sampler->wrap_s;
- const unsigned wt = sampler->wrap_t;
- const unsigned wr = sampler->wrap_r;
-
/* Need to do this after updating the maps, which call the
* intel_finalize_mipmap_tree and hence can update firstLevel:
*/
- unsigned minFilt, magFilt;
- unsigned mipFilt;
-
- state[0] = state[1] = state[2] = 0;
-
- mipFilt = translate_mip_filter( sampler->min_mip_filter );
-
- if (sampler->max_anisotropy > 1.0) {
- minFilt = FILTER_ANISOTROPIC;
- magFilt = FILTER_ANISOTROPIC;
- }
- else {
- minFilt = translate_img_filter( sampler->min_img_filter );
- magFilt = translate_img_filter( sampler->mag_img_filter );
- }
-
- {
- int b = sampler->lod_bias * 16.0;
- b = CLAMP(b, -256, 255);
- state[0] |= ((b << SS2_LOD_BIAS_SHIFT) & SS2_LOD_BIAS_MASK);
- }
+ state[0] = sampler->state[0];
+ state[1] = sampler->state[1];
+ state[2] = sampler->state[2];
if (mt->format == PIPE_FORMAT_YCBCR ||
mt->format == PIPE_FORMAT_YCBCR_REV)
state[0] |= SS2_COLORSPACE_CONVERSION;
-
- /* Shadow:
- */
- if (sampler->compare_mode == PIPE_TEX_COMPARE_R_TO_TEXTURE)
- {
- state[0] |= (SS2_SHADOW_ENABLE |
- translate_compare_func(sampler->compare_func));
-
- minFilt = FILTER_4X4_FLAT;
- magFilt = FILTER_4X4_FLAT;
- }
-
- state[0] |= ((minFilt << SS2_MIN_FILTER_SHIFT) |
- (mipFilt << SS2_MIP_FILTER_SHIFT) |
- (magFilt << SS2_MAG_FILTER_SHIFT));
-
-
/* 3D textures don't seem to respect the border color.
* Fallback if there's ever a danger that they might refer to
* it.
* XXX: Check if this is true on i945.
* XXX: Check if this bug got fixed in release silicon.
*/
- if (mt->target == PIPE_TEXTURE_3D &&
- (sampler->min_img_filter != PIPE_TEX_FILTER_NEAREST ||
- sampler->mag_img_filter != PIPE_TEX_FILTER_NEAREST) &&
- (ws == PIPE_TEX_WRAP_CLAMP ||
- wt == PIPE_TEX_WRAP_CLAMP ||
- wr == PIPE_TEX_WRAP_CLAMP ||
- ws == PIPE_TEX_WRAP_CLAMP_TO_BORDER ||
- wt == PIPE_TEX_WRAP_CLAMP_TO_BORDER ||
- wr == PIPE_TEX_WRAP_CLAMP_TO_BORDER)) {
#if 0
- if (i915->strict_conformance) {
- assert(0);
- /* sampler->fallback = true; */
- /* TODO */
+ {
+ const unsigned ws = sampler->templ->wrap_s;
+ const unsigned wt = sampler->templ->wrap_t;
+ const unsigned wr = sampler->templ->wrap_r;
+ if (mt->target == PIPE_TEXTURE_3D &&
+ (sampler->templ->min_img_filter != PIPE_TEX_FILTER_NEAREST ||
+ sampler->templ->mag_img_filter != PIPE_TEX_FILTER_NEAREST) &&
+ (ws == PIPE_TEX_WRAP_CLAMP ||
+ wt == PIPE_TEX_WRAP_CLAMP ||
+ wr == PIPE_TEX_WRAP_CLAMP ||
+ ws == PIPE_TEX_WRAP_CLAMP_TO_BORDER ||
+ wt == PIPE_TEX_WRAP_CLAMP_TO_BORDER ||
+ wr == PIPE_TEX_WRAP_CLAMP_TO_BORDER)) {
+ if (i915->strict_conformance) {
+ assert(0);
+ /* sampler->fallback = true; */
+ /* TODO */
+ }
}
-#endif
}
+#endif
- state[1] =
- ((translate_wrap_mode(ws) << SS3_TCX_ADDR_MODE_SHIFT) |
- (translate_wrap_mode(wt) << SS3_TCY_ADDR_MODE_SHIFT) |
- (translate_wrap_mode(wr) << SS3_TCZ_ADDR_MODE_SHIFT) |
- (unit << SS3_TEXTUREMAP_INDEX_SHIFT));
+ state[1] |= (unit << SS3_TEXTUREMAP_INDEX_SHIFT);
if (is_power_of_two_texture(mt)) {
state[1] |= SS3_NORMALIZED_COORDS;
}
-
- {
- ubyte r = float_to_ubyte(sampler->border_color[0]);
- ubyte g = float_to_ubyte(sampler->border_color[1]);
- ubyte b = float_to_ubyte(sampler->border_color[2]);
- ubyte a = float_to_ubyte(sampler->border_color[3]);
- state[2] = I915PACKCOLOR8888(r, g, b, a);
- }
}
-
-
void i915_update_samplers( struct i915_context *i915 )
{
uint unit;
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