On gen >= 9, minmax reduction modes are available as a flag in SAMPLER_STATE. --- docs/features.txt | 2 +- src/mesa/drivers/dri/i965/brw_formatquery.c | 4 ++++ src/mesa/drivers/dri/i965/genX_state_upload.c | 10 ++++++++++ src/mesa/drivers/dri/i965/intel_extensions.c | 1 + 4 files changed, 16 insertions(+), 1 deletion(-)
diff --git a/docs/features.txt b/docs/features.txt index 86d07ba80b..9ec3f2b975 100644 --- a/docs/features.txt +++ b/docs/features.txt @@ -312,7 +312,7 @@ Khronos, ARB, and OES extensions that are not part of any OpenGL or OpenGL ES ve GL_ARB_sparse_texture not started GL_ARB_sparse_texture2 not started GL_ARB_sparse_texture_clamp not started - GL_ARB_texture_filter_minmax not started + GL_ARB_texture_filter_minmax DONE (i965) GL_EXT_memory_object DONE (radeonsi) GL_EXT_memory_object_fd DONE (radeonsi) GL_EXT_memory_object_win32 not started diff --git a/src/mesa/drivers/dri/i965/brw_formatquery.c b/src/mesa/drivers/dri/i965/brw_formatquery.c index 4f3b9e467b..bb2281f571 100644 --- a/src/mesa/drivers/dri/i965/brw_formatquery.c +++ b/src/mesa/drivers/dri/i965/brw_formatquery.c @@ -107,6 +107,10 @@ brw_query_internal_format(struct gl_context *ctx, GLenum target, break; } + case GL_TEXTURE_REDUCTION_MODE_ARB: + params[0] = GL_TRUE; + break; + default: /* By default, we call the driver hook's fallback function from the frontend, * which has generic implementation for all pnames. diff --git a/src/mesa/drivers/dri/i965/genX_state_upload.c b/src/mesa/drivers/dri/i965/genX_state_upload.c index 453b8e4add..8af907648b 100644 --- a/src/mesa/drivers/dri/i965/genX_state_upload.c +++ b/src/mesa/drivers/dri/i965/genX_state_upload.c @@ -5094,6 +5094,16 @@ genX(update_sampler_state)(struct brw_context *brw, samp_st.LODPreClampEnable = true; #endif +#if GEN_GEN >= 9 + if (sampler->ReductionMode != GL_WEIGHTED_AVERAGE_ARB) { + samp_st.ReductionTypeEnable = true; + if (sampler->ReductionMode == GL_MIN) + samp_st.ReductionType = MINIMUM; + else + samp_st.ReductionType = MAXIMUM; + } +#endif + GENX(SAMPLER_STATE_pack)(brw, sampler_state, &samp_st); } diff --git a/src/mesa/drivers/dri/i965/intel_extensions.c b/src/mesa/drivers/dri/i965/intel_extensions.c index 4d17393948..e280474875 100644 --- a/src/mesa/drivers/dri/i965/intel_extensions.c +++ b/src/mesa/drivers/dri/i965/intel_extensions.c @@ -285,6 +285,7 @@ intelInitExtensions(struct gl_context *ctx) if (devinfo->gen >= 9) { ctx->Extensions.ANDROID_extension_pack_es31a = true; ctx->Extensions.ARB_shader_stencil_export = true; + ctx->Extensions.ARB_texture_filter_minmax = true; ctx->Extensions.KHR_blend_equation_advanced_coherent = true; ctx->Extensions.KHR_texture_compression_astc_ldr = true; ctx->Extensions.KHR_texture_compression_astc_sliced_3d = true; -- 2.14.3 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev