From be5276ae7d24563301ae627b994f612069c32461 Mon Sep 17 00:00:00 2001 From: Dave Airlie Date: Tue, 11 Feb 2014 13:26:08 +1000 Subject: [PATCH] gallium: add support for LODQ opcodes. MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit This opcode provide support for GL_ARB_texture_query_lod, Signed-off-by: Dave Airlie [imirkin: rebase, docs update] Signed-off-by: Ilia Mirkin Reviewed-by: Marek Olšák --- src/gallium/auxiliary/tgsi/tgsi_info.c | 1 + src/gallium/docs/source/screen.rst | 2 ++ src/gallium/docs/source/tgsi.rst | 12 ++++++++++++ src/gallium/drivers/freedreno/freedreno_screen.c | 1 + src/gallium/drivers/i915/i915_screen.c | 1 + src/gallium/drivers/ilo/ilo_screen.c | 1 + src/gallium/drivers/llvmpipe/lp_screen.c | 1 + src/gallium/drivers/nouveau/nv30/nv30_screen.c | 1 + src/gallium/drivers/nouveau/nv50/nv50_screen.c | 1 + src/gallium/drivers/nouveau/nvc0/nvc0_screen.c | 1 + src/gallium/drivers/r300/r300_screen.c | 1 + src/gallium/drivers/r600/r600_pipe.c | 1 + src/gallium/drivers/radeonsi/si_pipe.c | 1 + src/gallium/drivers/softpipe/sp_screen.c | 1 + src/gallium/drivers/svga/svga_screen.c | 1 + src/gallium/include/pipe/p_defines.h | 3 ++- src/gallium/include/pipe/p_shader_tokens.h | 4 +++- 17 files changed, 32 insertions(+), 2 deletions(-) diff --git a/src/gallium/auxiliary/tgsi/tgsi_info.c b/src/gallium/auxiliary/tgsi/tgsi_info.c index 565f274..5bcc3c9 100644 --- a/src/gallium/auxiliary/tgsi/tgsi_info.c +++ b/src/gallium/auxiliary/tgsi/tgsi_info.c @@ -222,6 +222,7 @@ static const struct tgsi_opcode_info opcode_info[TGSI_OPCODE_LAST] = { 1, 2, 0, 0, 0, 0, COMP, "IMUL_HI", TGSI_OPCODE_IMUL_HI }, { 1, 2, 0, 0, 0, 0, COMP, "UMUL_HI", TGSI_OPCODE_UMUL_HI }, { 1, 3, 1, 0, 0, 0, OTHR, "TG4", TGSI_OPCODE_TG4 }, + { 1, 2, 1, 0, 0, 0, OTHR, "LODQ", TGSI_OPCODE_LODQ }, }; const struct tgsi_opcode_info * diff --git a/src/gallium/docs/source/screen.rst b/src/gallium/docs/source/screen.rst index 09f809d..943d880 100644 --- a/src/gallium/docs/source/screen.rst +++ b/src/gallium/docs/source/screen.rst @@ -191,6 +191,8 @@ The integer capabilities: * ``PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT``: Whether PIPE_TRANSFER_PERSISTENT and PIPE_TRANSFER_COHERENT are supported for buffers. +* ``PIPE_CAP_TEXTURE_QUERY_LOD``: Whether the ``LODQ`` instruction is + supported. .. _pipe_capf: diff --git a/src/gallium/docs/source/tgsi.rst b/src/gallium/docs/source/tgsi.rst index 5a64e16..d5325f4 100644 --- a/src/gallium/docs/source/tgsi.rst +++ b/src/gallium/docs/source/tgsi.rst @@ -1012,6 +1012,18 @@ XXX doesn't look like most of the opcodes really belong here. dst = texture\_gather (uint, coord, compare) +.. opcode:: LODQ - level of detail query + + Compute the LOD information that the texture pipe would use to access the + texture. The Y component contains the computed LOD lambda_prime. The X + component contains the LOD that will be accessed, based on min/max lod's + and mipmap filters. + +.. math:: + + coord = src0 + + dst.xy = lodq(uint, coord); Integer ISA ^^^^^^^^^^^^^^^^^^^^^^^^ diff --git a/src/gallium/drivers/freedreno/freedreno_screen.c b/src/gallium/drivers/freedreno/freedreno_screen.c index 4f0675f..96c769e 100644 --- a/src/gallium/drivers/freedreno/freedreno_screen.c +++ b/src/gallium/drivers/freedreno/freedreno_screen.c @@ -207,6 +207,7 @@ fd_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: case PIPE_CAP_FAKE_SW_MSAA: + case PIPE_CAP_TEXTURE_QUERY_LOD: return 0; /* Stream output. */ diff --git a/src/gallium/drivers/i915/i915_screen.c b/src/gallium/drivers/i915/i915_screen.c index 0f8ba30..892c3ea 100644 --- a/src/gallium/drivers/i915/i915_screen.c +++ b/src/gallium/drivers/i915/i915_screen.c @@ -219,6 +219,7 @@ i915_get_param(struct pipe_screen *screen, enum pipe_cap cap) case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_FAKE_SW_MSAA: + case PIPE_CAP_TEXTURE_QUERY_LOD: return 0; case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS: diff --git a/src/gallium/drivers/ilo/ilo_screen.c b/src/gallium/drivers/ilo/ilo_screen.c index 131c9f2..7f2e01f 100644 --- a/src/gallium/drivers/ilo/ilo_screen.c +++ b/src/gallium/drivers/ilo/ilo_screen.c @@ -437,6 +437,7 @@ ilo_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: case PIPE_CAP_FAKE_SW_MSAA: + case PIPE_CAP_TEXTURE_QUERY_LOD: return 0; default: diff --git a/src/gallium/drivers/llvmpipe/lp_screen.c b/src/gallium/drivers/llvmpipe/lp_screen.c index 766e433..6eb7d64 100644 --- a/src/gallium/drivers/llvmpipe/lp_screen.c +++ b/src/gallium/drivers/llvmpipe/lp_screen.c @@ -238,6 +238,7 @@ llvmpipe_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: + case PIPE_CAP_TEXTURE_QUERY_LOD: return 0; case PIPE_CAP_FAKE_SW_MSAA: return 1; diff --git a/src/gallium/drivers/nouveau/nv30/nv30_screen.c b/src/gallium/drivers/nouveau/nv30/nv30_screen.c index 2439218..ce1397d 100644 --- a/src/gallium/drivers/nouveau/nv30/nv30_screen.c +++ b/src/gallium/drivers/nouveau/nv30/nv30_screen.c @@ -132,6 +132,7 @@ nv30_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: case PIPE_CAP_FAKE_SW_MSAA: + case PIPE_CAP_TEXTURE_QUERY_LOD: return 0; case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY: case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY: diff --git a/src/gallium/drivers/nouveau/nv50/nv50_screen.c b/src/gallium/drivers/nouveau/nv50/nv50_screen.c index fd5d488..d706508c 100644 --- a/src/gallium/drivers/nouveau/nv50/nv50_screen.c +++ b/src/gallium/drivers/nouveau/nv50/nv50_screen.c @@ -196,6 +196,7 @@ nv50_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: case PIPE_CAP_FAKE_SW_MSAA: + case PIPE_CAP_TEXTURE_QUERY_LOD: return 0; case PIPE_CAP_MAX_VIEWPORTS: return NV50_MAX_VIEWPORTS; diff --git a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c index a9f11bc..794ed3b 100644 --- a/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c +++ b/src/gallium/drivers/nouveau/nvc0/nvc0_screen.c @@ -178,6 +178,7 @@ nvc0_screen_get_param(struct pipe_screen *pscreen, enum pipe_cap param) case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: case PIPE_CAP_FAKE_SW_MSAA: + case PIPE_CAP_TEXTURE_QUERY_LOD: return 0; case PIPE_CAP_MAX_VIEWPORTS: return 1; diff --git a/src/gallium/drivers/r300/r300_screen.c b/src/gallium/drivers/r300/r300_screen.c index 0977d39..8ed636a 100644 --- a/src/gallium/drivers/r300/r300_screen.c +++ b/src/gallium/drivers/r300/r300_screen.c @@ -169,6 +169,7 @@ static int r300_get_param(struct pipe_screen* pscreen, enum pipe_cap param) case PIPE_CAP_TGSI_VS_LAYER: case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: case PIPE_CAP_TEXTURE_GATHER_SM5: + case PIPE_CAP_TEXTURE_QUERY_LOD: return 0; /* SWTCL-only features. */ diff --git a/src/gallium/drivers/r600/r600_pipe.c b/src/gallium/drivers/r600/r600_pipe.c index 2ba4591..8d69358 100644 --- a/src/gallium/drivers/r600/r600_pipe.c +++ b/src/gallium/drivers/r600/r600_pipe.c @@ -377,6 +377,7 @@ static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param) case PIPE_CAP_USER_VERTEX_BUFFERS: case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: case PIPE_CAP_TEXTURE_GATHER_SM5: + case PIPE_CAP_TEXTURE_QUERY_LOD: return 0; /* Stream output. */ diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c index 7c741b7..09ec603 100644 --- a/src/gallium/drivers/radeonsi/si_pipe.c +++ b/src/gallium/drivers/radeonsi/si_pipe.c @@ -291,6 +291,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param) case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_TGSI_TEXCOORD: case PIPE_CAP_FAKE_SW_MSAA: + case PIPE_CAP_TEXTURE_QUERY_LOD: return 0; case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK: diff --git a/src/gallium/drivers/softpipe/sp_screen.c b/src/gallium/drivers/softpipe/sp_screen.c index c3bb74c..ce04fb8 100644 --- a/src/gallium/drivers/softpipe/sp_screen.c +++ b/src/gallium/drivers/softpipe/sp_screen.c @@ -188,6 +188,7 @@ softpipe_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS: case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: + case PIPE_CAP_TEXTURE_QUERY_LOD: return 0; case PIPE_CAP_FAKE_SW_MSAA: return 1; diff --git a/src/gallium/drivers/svga/svga_screen.c b/src/gallium/drivers/svga/svga_screen.c index 5c5b473..785b036 100644 --- a/src/gallium/drivers/svga/svga_screen.c +++ b/src/gallium/drivers/svga/svga_screen.c @@ -270,6 +270,7 @@ svga_get_param(struct pipe_screen *screen, enum pipe_cap param) case PIPE_CAP_TEXTURE_GATHER_SM5: case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT: case PIPE_CAP_FAKE_SW_MSAA: + case PIPE_CAP_TEXTURE_QUERY_LOD: return 0; case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT: return 64; diff --git a/src/gallium/include/pipe/p_defines.h b/src/gallium/include/pipe/p_defines.h index 8c092c2..30a65ee 100644 --- a/src/gallium/include/pipe/p_defines.h +++ b/src/gallium/include/pipe/p_defines.h @@ -552,7 +552,8 @@ enum pipe_cap { PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS = 90, PIPE_CAP_TEXTURE_GATHER_SM5 = 91, PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT = 92, - PIPE_CAP_FAKE_SW_MSAA = 93 + PIPE_CAP_FAKE_SW_MSAA = 93, + PIPE_CAP_TEXTURE_QUERY_LOD = 94, }; #define PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_NV50 (1 << 0) diff --git a/src/gallium/include/pipe/p_shader_tokens.h b/src/gallium/include/pipe/p_shader_tokens.h index 8fa6a0a..a2e649e 100644 --- a/src/gallium/include/pipe/p_shader_tokens.h +++ b/src/gallium/include/pipe/p_shader_tokens.h @@ -455,7 +455,9 @@ struct tgsi_property_data { #define TGSI_OPCODE_TG4 182 -#define TGSI_OPCODE_LAST 183 +#define TGSI_OPCODE_LODQ 183 + +#define TGSI_OPCODE_LAST 184 #define TGSI_SAT_NONE 0 /* do not saturate */ #define TGSI_SAT_ZERO_ONE 1 /* clamp to [0,1] */ -- 2.7.4