Module: Mesa Branch: master Commit: 0a4462ad6ee921ed805ad51e330b819b95ee90d6 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=0a4462ad6ee921ed805ad51e330b819b95ee90d6
Author: Ilia Mirkin <[email protected]> Date: Wed Nov 18 23:54:25 2015 -0500 freedreno/a4xx: support lod_bias The lower layers assume that we support this, and it's been core since GL 1.4. This fixes a slew of piglit tests, especially around tex-miplevel-selection. Signed-off-by: Ilia Mirkin <[email protected]> Cc: [email protected] --- src/gallium/drivers/freedreno/a4xx/a4xx.xml.h | 6 ++++++ src/gallium/drivers/freedreno/a4xx/fd4_texture.c | 1 + 2 files changed, 7 insertions(+) diff --git a/src/gallium/drivers/freedreno/a4xx/a4xx.xml.h b/src/gallium/drivers/freedreno/a4xx/a4xx.xml.h index 76f525c..07d0db1 100644 --- a/src/gallium/drivers/freedreno/a4xx/a4xx.xml.h +++ b/src/gallium/drivers/freedreno/a4xx/a4xx.xml.h @@ -2741,6 +2741,12 @@ static inline uint32_t A4XX_TEX_SAMP_0_ANISO(enum a4xx_tex_aniso val) { return ((val) << A4XX_TEX_SAMP_0_ANISO__SHIFT) & A4XX_TEX_SAMP_0_ANISO__MASK; } +#define A4XX_TEX_SAMP_0_LOD_BIAS__MASK 0xfff80000 +#define A4XX_TEX_SAMP_0_LOD_BIAS__SHIFT 19 +static inline uint32_t A4XX_TEX_SAMP_0_LOD_BIAS(float val) +{ + return ((((int32_t)(val * 256.0))) << A4XX_TEX_SAMP_0_LOD_BIAS__SHIFT) & A4XX_TEX_SAMP_0_LOD_BIAS__MASK; +} #define REG_A4XX_TEX_SAMP_1 0x00000001 #define A4XX_TEX_SAMP_1_COMPARE_FUNC__MASK 0x0000000e diff --git a/src/gallium/drivers/freedreno/a4xx/fd4_texture.c b/src/gallium/drivers/freedreno/a4xx/fd4_texture.c index 297854f..886b454 100644 --- a/src/gallium/drivers/freedreno/a4xx/fd4_texture.c +++ b/src/gallium/drivers/freedreno/a4xx/fd4_texture.c @@ -127,6 +127,7 @@ fd4_sampler_state_create(struct pipe_context *pctx, COND(!cso->normalized_coords, A4XX_TEX_SAMP_1_UNNORM_COORDS); if (cso->min_mip_filter != PIPE_TEX_MIPFILTER_NONE) { + so->texsamp0 |= A4XX_TEX_SAMP_0_LOD_BIAS(cso->lod_bias); so->texsamp1 |= A4XX_TEX_SAMP_1_MIN_LOD(cso->min_lod) | A4XX_TEX_SAMP_1_MAX_LOD(cso->max_lod); _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
