X-Git-Url: https://git.libre-soc.org/?p=mesa.git;a=blobdiff_plain;f=src%2Fpanfrost%2Finclude%2Fpanfrost-job.h;h=879023eacb417f2af2040a44f09ca23667570406;hp=827f9287d4f70c60f286a36bc159d1c6c2e844ac;hb=02e768e6a96e1a0aad6d1cbb002bfb883078ad40;hpb=28902ba87e7166688157ea3ba0593eb1a60a5d9b diff --git a/src/panfrost/include/panfrost-job.h b/src/panfrost/include/panfrost-job.h index 827f9287d4f..879023eacb4 100644 --- a/src/panfrost/include/panfrost-job.h +++ b/src/panfrost/include/panfrost-job.h @@ -30,36 +30,13 @@ #include #include -#include - -enum mali_job_type { - JOB_NOT_STARTED = 0, - JOB_TYPE_NULL = 1, - JOB_TYPE_WRITE_VALUE = 2, - JOB_TYPE_CACHE_FLUSH = 3, - JOB_TYPE_COMPUTE = 4, - JOB_TYPE_VERTEX = 5, - JOB_TYPE_GEOMETRY = 6, - JOB_TYPE_TILER = 7, - JOB_TYPE_FUSED = 8, - JOB_TYPE_FRAGMENT = 9, -}; +#include -enum mali_draw_mode { - MALI_DRAW_NONE = 0x0, - MALI_POINTS = 0x1, - MALI_LINES = 0x2, - MALI_LINE_STRIP = 0x4, - MALI_LINE_LOOP = 0x6, - MALI_TRIANGLES = 0x8, - MALI_TRIANGLE_STRIP = 0xA, - MALI_TRIANGLE_FAN = 0xC, - MALI_POLYGON = 0xD, - MALI_QUADS = 0xE, - MALI_QUAD_STRIP = 0xF, - - /* All other modes invalid */ -}; +typedef uint8_t u8; +typedef uint16_t u16; +typedef uint32_t u32; +typedef uint64_t u64; +typedef uint64_t mali_ptr; /* Applies to tiler_gl_enables */ @@ -76,74 +53,6 @@ enum mali_draw_mode { #define MALI_CULL_FACE_FRONT (1 << 6) #define MALI_CULL_FACE_BACK (1 << 7) -/* Used in stencil and depth tests */ - -enum mali_func { - MALI_FUNC_NEVER = 0, - MALI_FUNC_LESS = 1, - MALI_FUNC_EQUAL = 2, - MALI_FUNC_LEQUAL = 3, - MALI_FUNC_GREATER = 4, - MALI_FUNC_NOTEQUAL = 5, - MALI_FUNC_GEQUAL = 6, - MALI_FUNC_ALWAYS = 7 -}; - -/* Flags apply to unknown2_3? */ - -#define MALI_HAS_MSAA (1 << 0) -#define MALI_CAN_DISCARD (1 << 5) - -/* Applies on SFBD systems, specifying that programmable blending is in use */ -#define MALI_HAS_BLEND_SHADER (1 << 6) - -/* func is mali_func */ -#define MALI_DEPTH_FUNC(func) (func << 8) -#define MALI_GET_DEPTH_FUNC(flags) ((flags >> 8) & 0x7) -#define MALI_DEPTH_FUNC_MASK MALI_DEPTH_FUNC(0x7) - -#define MALI_DEPTH_WRITEMASK (1 << 11) - -/* Next flags to unknown2_4 */ -#define MALI_STENCIL_TEST (1 << 0) - -/* What?! */ -#define MALI_SAMPLE_ALPHA_TO_COVERAGE_NO_BLEND_SHADER (1 << 1) - -#define MALI_NO_DITHER (1 << 9) -#define MALI_DEPTH_RANGE_A (1 << 12) -#define MALI_DEPTH_RANGE_B (1 << 13) -#define MALI_NO_MSAA (1 << 14) - -/* Stencil test state is all encoded in a single u32, just with a lot of - * enums... */ - -enum mali_stencil_op { - MALI_STENCIL_KEEP = 0, - MALI_STENCIL_REPLACE = 1, - MALI_STENCIL_ZERO = 2, - MALI_STENCIL_INVERT = 3, - MALI_STENCIL_INCR_WRAP = 4, - MALI_STENCIL_DECR_WRAP = 5, - MALI_STENCIL_INCR = 6, - MALI_STENCIL_DECR = 7 -}; - -struct mali_stencil_test { - unsigned ref : 8; - unsigned mask : 8; - enum mali_func func : 3; - enum mali_stencil_op sfail : 3; - enum mali_stencil_op dpfail : 3; - enum mali_stencil_op dppass : 3; - unsigned zero : 4; -} __attribute__((packed)); - -#define MALI_MASK_R (1 << 0) -#define MALI_MASK_G (1 << 1) -#define MALI_MASK_B (1 << 2) -#define MALI_MASK_A (1 << 3) - enum mali_nondominant_mode { MALI_BLEND_NON_MIRROR = 0, MALI_BLEND_NON_ZERO = 1 @@ -189,37 +98,6 @@ struct mali_blend_mode { unsigned complement_dominant : 1; } __attribute__((packed)); -struct mali_blend_equation { - /* Of type mali_blend_mode */ - unsigned rgb_mode : 12; - unsigned alpha_mode : 12; - - unsigned zero1 : 4; - - /* Corresponds to MALI_MASK_* above and glColorMask arguments */ - - unsigned color_mask : 4; -} __attribute__((packed)); - -/* Used with channel swizzling */ -enum mali_channel { - MALI_CHANNEL_RED = 0, - MALI_CHANNEL_GREEN = 1, - MALI_CHANNEL_BLUE = 2, - MALI_CHANNEL_ALPHA = 3, - MALI_CHANNEL_ZERO = 4, - MALI_CHANNEL_ONE = 5, - MALI_CHANNEL_RESERVED_0 = 6, - MALI_CHANNEL_RESERVED_1 = 7, -}; - -struct mali_channel_swizzle { - enum mali_channel r : 3; - enum mali_channel g : 3; - enum mali_channel b : 3; - enum mali_channel a : 3; -} __attribute__((packed)); - /* Compressed per-pixel formats. Each of these formats expands to one to four * floating-point or integer numbers, as defined by the OpenGL specification. * There are various places in OpenGL where the user can specify a compressed @@ -251,11 +129,13 @@ struct mali_channel_swizzle { * for Bifrost framebuffer output. */ #define MALI_FORMAT_SPECIAL2 (7 << 5) +#define MALI_EXTRACT_TYPE(fmt) ((fmt) & 0xe0) /* If the high 3 bits are 3 to 6 these two bits say how many components * there are. */ #define MALI_NR_CHANNELS(n) ((n - 1) << 3) +#define MALI_EXTRACT_CHANNELS(fmt) ((((fmt) >> 3) & 3) + 1) /* If the high 3 bits are 3 to 6, then the low 3 bits say how big each * component is, except the special MALI_CHANNEL_FLOAT which overrides what the @@ -274,146 +154,7 @@ struct mali_channel_swizzle { * MALI_FORMAT_UNORM, it means a 32-bit float. */ #define MALI_CHANNEL_FLOAT 7 - -enum mali_format { - MALI_ETC2_RGB8 = MALI_FORMAT_COMPRESSED | 0x1, - MALI_ETC2_R11_UNORM = MALI_FORMAT_COMPRESSED | 0x2, - MALI_ETC2_RGBA8 = MALI_FORMAT_COMPRESSED | 0x3, - MALI_ETC2_RG11_UNORM = MALI_FORMAT_COMPRESSED | 0x4, - MALI_ETC2_R11_SNORM = MALI_FORMAT_COMPRESSED | 0x11, - MALI_ETC2_RG11_SNORM = MALI_FORMAT_COMPRESSED | 0x12, - MALI_ETC2_RGB8A1 = MALI_FORMAT_COMPRESSED | 0x13, - MALI_ASTC_SRGB_SUPP = MALI_FORMAT_COMPRESSED | 0x16, - MALI_ASTC_HDR_SUPP = MALI_FORMAT_COMPRESSED | 0x17, - - MALI_RGB565 = MALI_FORMAT_SPECIAL | 0x0, - MALI_RGB5_X1_UNORM = MALI_FORMAT_SPECIAL | 0x1, - MALI_RGB5_A1_UNORM = MALI_FORMAT_SPECIAL | 0x2, - MALI_RGB10_A2_UNORM = MALI_FORMAT_SPECIAL | 0x3, - MALI_RGB10_A2_SNORM = MALI_FORMAT_SPECIAL | 0x5, - MALI_RGB10_A2UI = MALI_FORMAT_SPECIAL | 0x7, - MALI_RGB10_A2I = MALI_FORMAT_SPECIAL | 0x9, - - MALI_RGB332_UNORM = MALI_FORMAT_SPECIAL | 0xb, - MALI_RGB233_UNORM = MALI_FORMAT_SPECIAL | 0xc, - - MALI_Z32_UNORM = MALI_FORMAT_SPECIAL | 0xd, - MALI_R32_FIXED = MALI_FORMAT_SPECIAL | 0x11, - MALI_RG32_FIXED = MALI_FORMAT_SPECIAL | 0x12, - MALI_RGB32_FIXED = MALI_FORMAT_SPECIAL | 0x13, - MALI_RGBA32_FIXED = MALI_FORMAT_SPECIAL | 0x14, - MALI_R11F_G11F_B10F = MALI_FORMAT_SPECIAL | 0x19, - MALI_R9F_G9F_B9F_E5F = MALI_FORMAT_SPECIAL | 0x1b, - /* Only used for varyings, to indicate the transformed gl_Position */ - MALI_VARYING_POS = MALI_FORMAT_SPECIAL | 0x1e, - /* Only used for varyings, to indicate that the write should be - * discarded. - */ - MALI_VARYING_DISCARD = MALI_FORMAT_SPECIAL | 0x1f, - - MALI_R8_SNORM = MALI_FORMAT_SNORM | MALI_NR_CHANNELS(1) | MALI_CHANNEL_8, - MALI_R16_SNORM = MALI_FORMAT_SNORM | MALI_NR_CHANNELS(1) | MALI_CHANNEL_16, - MALI_R32_SNORM = MALI_FORMAT_SNORM | MALI_NR_CHANNELS(1) | MALI_CHANNEL_32, - MALI_RG8_SNORM = MALI_FORMAT_SNORM | MALI_NR_CHANNELS(2) | MALI_CHANNEL_8, - MALI_RG16_SNORM = MALI_FORMAT_SNORM | MALI_NR_CHANNELS(2) | MALI_CHANNEL_16, - MALI_RG32_SNORM = MALI_FORMAT_SNORM | MALI_NR_CHANNELS(2) | MALI_CHANNEL_32, - MALI_RGB8_SNORM = MALI_FORMAT_SNORM | MALI_NR_CHANNELS(3) | MALI_CHANNEL_8, - MALI_RGB16_SNORM = MALI_FORMAT_SNORM | MALI_NR_CHANNELS(3) | MALI_CHANNEL_16, - MALI_RGB32_SNORM = MALI_FORMAT_SNORM | MALI_NR_CHANNELS(3) | MALI_CHANNEL_32, - MALI_RGBA8_SNORM = MALI_FORMAT_SNORM | MALI_NR_CHANNELS(4) | MALI_CHANNEL_8, - MALI_RGBA16_SNORM = MALI_FORMAT_SNORM | MALI_NR_CHANNELS(4) | MALI_CHANNEL_16, - MALI_RGBA32_SNORM = MALI_FORMAT_SNORM | MALI_NR_CHANNELS(4) | MALI_CHANNEL_32, - - MALI_R8UI = MALI_FORMAT_UINT | MALI_NR_CHANNELS(1) | MALI_CHANNEL_8, - MALI_R16UI = MALI_FORMAT_UINT | MALI_NR_CHANNELS(1) | MALI_CHANNEL_16, - MALI_R32UI = MALI_FORMAT_UINT | MALI_NR_CHANNELS(1) | MALI_CHANNEL_32, - MALI_RG8UI = MALI_FORMAT_UINT | MALI_NR_CHANNELS(2) | MALI_CHANNEL_8, - MALI_RG16UI = MALI_FORMAT_UINT | MALI_NR_CHANNELS(2) | MALI_CHANNEL_16, - MALI_RG32UI = MALI_FORMAT_UINT | MALI_NR_CHANNELS(2) | MALI_CHANNEL_32, - MALI_RGB8UI = MALI_FORMAT_UINT | MALI_NR_CHANNELS(3) | MALI_CHANNEL_8, - MALI_RGB16UI = MALI_FORMAT_UINT | MALI_NR_CHANNELS(3) | MALI_CHANNEL_16, - MALI_RGB32UI = MALI_FORMAT_UINT | MALI_NR_CHANNELS(3) | MALI_CHANNEL_32, - MALI_RGBA8UI = MALI_FORMAT_UINT | MALI_NR_CHANNELS(4) | MALI_CHANNEL_8, - MALI_RGBA16UI = MALI_FORMAT_UINT | MALI_NR_CHANNELS(4) | MALI_CHANNEL_16, - MALI_RGBA32UI = MALI_FORMAT_UINT | MALI_NR_CHANNELS(4) | MALI_CHANNEL_32, - - MALI_R8_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(1) | MALI_CHANNEL_8, - MALI_R16_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(1) | MALI_CHANNEL_16, - MALI_R32_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(1) | MALI_CHANNEL_32, - MALI_R32F = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(1) | MALI_CHANNEL_FLOAT, - MALI_RG8_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(2) | MALI_CHANNEL_8, - MALI_RG16_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(2) | MALI_CHANNEL_16, - MALI_RG32_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(2) | MALI_CHANNEL_32, - MALI_RG32F = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(2) | MALI_CHANNEL_FLOAT, - MALI_RGB8_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(3) | MALI_CHANNEL_8, - MALI_RGB16_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(3) | MALI_CHANNEL_16, - MALI_RGB32_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(3) | MALI_CHANNEL_32, - MALI_RGB32F = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(3) | MALI_CHANNEL_FLOAT, - MALI_RGBA4_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(4) | MALI_CHANNEL_4, - MALI_RGBA8_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(4) | MALI_CHANNEL_8, - MALI_RGBA16_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(4) | MALI_CHANNEL_16, - MALI_RGBA32_UNORM = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(4) | MALI_CHANNEL_32, - MALI_RGBA32F = MALI_FORMAT_UNORM | MALI_NR_CHANNELS(4) | MALI_CHANNEL_FLOAT, - - MALI_R8I = MALI_FORMAT_SINT | MALI_NR_CHANNELS(1) | MALI_CHANNEL_8, - MALI_R16I = MALI_FORMAT_SINT | MALI_NR_CHANNELS(1) | MALI_CHANNEL_16, - MALI_R32I = MALI_FORMAT_SINT | MALI_NR_CHANNELS(1) | MALI_CHANNEL_32, - MALI_R16F = MALI_FORMAT_SINT | MALI_NR_CHANNELS(1) | MALI_CHANNEL_FLOAT, - MALI_RG8I = MALI_FORMAT_SINT | MALI_NR_CHANNELS(2) | MALI_CHANNEL_8, - MALI_RG16I = MALI_FORMAT_SINT | MALI_NR_CHANNELS(2) | MALI_CHANNEL_16, - MALI_RG32I = MALI_FORMAT_SINT | MALI_NR_CHANNELS(2) | MALI_CHANNEL_32, - MALI_RG16F = MALI_FORMAT_SINT | MALI_NR_CHANNELS(2) | MALI_CHANNEL_FLOAT, - MALI_RGB8I = MALI_FORMAT_SINT | MALI_NR_CHANNELS(3) | MALI_CHANNEL_8, - MALI_RGB16I = MALI_FORMAT_SINT | MALI_NR_CHANNELS(3) | MALI_CHANNEL_16, - MALI_RGB32I = MALI_FORMAT_SINT | MALI_NR_CHANNELS(3) | MALI_CHANNEL_32, - MALI_RGB16F = MALI_FORMAT_SINT | MALI_NR_CHANNELS(3) | MALI_CHANNEL_FLOAT, - MALI_RGBA8I = MALI_FORMAT_SINT | MALI_NR_CHANNELS(4) | MALI_CHANNEL_8, - MALI_RGBA16I = MALI_FORMAT_SINT | MALI_NR_CHANNELS(4) | MALI_CHANNEL_16, - MALI_RGBA32I = MALI_FORMAT_SINT | MALI_NR_CHANNELS(4) | MALI_CHANNEL_32, - MALI_RGBA16F = MALI_FORMAT_SINT | MALI_NR_CHANNELS(4) | MALI_CHANNEL_FLOAT, - - MALI_RGBA4 = MALI_FORMAT_SPECIAL2 | 0x8, - MALI_RGBA8_2 = MALI_FORMAT_SPECIAL2 | 0xd, - MALI_RGB10_A2_2 = MALI_FORMAT_SPECIAL2 | 0xe, -}; - - -/* Alpha coverage is encoded as 4-bits (from a clampf), with inversion - * literally performing a bitwise invert. This function produces slightly wrong - * results and I'm not sure why; some rounding issue I suppose... */ - -#define MALI_ALPHA_COVERAGE(clampf) ((uint16_t) (int) (clampf * 15.0f)) -#define MALI_GET_ALPHA_COVERAGE(nibble) ((float) nibble / 15.0f) - -/* Applies to midgard1.flags_lo */ - -/* Should be set when the fragment shader updates the depth value. */ -#define MALI_WRITES_Z (1 << 4) - -/* Should the hardware perform early-Z testing? Normally should be set - * for performance reasons. Clear if you use: discard, - * alpha-to-coverage... * It's also possible this disables - * forward-pixel kill; we're not quite sure which bit is which yet. - * TODO: How does this interact with blending?*/ - -#define MALI_EARLY_Z (1 << 6) - -/* Should the hardware calculate derivatives (via helper invocations)? Set in a - * fragment shader that uses texturing or derivative functions */ - -#define MALI_HELPER_INVOCATIONS (1 << 7) - -/* Flags denoting the fragment shader's use of tilebuffer readback. If the - * shader might read any part of the tilebuffer, set MALI_READS_TILEBUFFER. If - * it might read depth/stencil in particular, also set MALI_READS_ZS */ - -#define MALI_READS_ZS (1 << 8) -#define MALI_READS_TILEBUFFER (1 << 12) - -/* Applies to midgard1.flags_hi */ - -/* Should be set when the fragment shader updates the stencil value. */ -#define MALI_WRITES_S (1 << 2) +#define MALI_EXTRACT_BITS(fmt) (fmt & 0x7) /* The raw Midgard blend payload can either be an equation or a shader * address, depending on the context */ @@ -422,35 +163,14 @@ union midgard_blend { mali_ptr shader; struct { - struct mali_blend_equation equation; + struct mali_blend_equation_packed equation; float constant; }; }; -/* We need to load the tilebuffer to blend (i.e. the destination factor is not - * ZERO) */ - -#define MALI_BLEND_LOAD_TIB (0x1) - -/* A blend shader is used to blend this render target */ -#define MALI_BLEND_MRT_SHADER (0x2) - -/* On MRT Midgard systems (using an MFBD), each render target gets its own - * blend descriptor */ - -#define MALI_BLEND_SRGB (0x400) - -/* Dithering is specified here for MFBD, otherwise NO_DITHER for SFBD */ -#define MALI_BLEND_NO_DITHER (0x800) - struct midgard_blend_rt { - /* Flags base value of 0x200 to enable the render target. - * OR with 0x1 for blending (anything other than REPLACE). - * OR with 0x2 for programmable blending - * OR with MALI_BLEND_SRGB for implicit sRGB - */ - - u64 flags; + struct mali_blend_flags_packed flags; + u32 zero; union midgard_blend blend; } __attribute__((packed)); @@ -486,7 +206,7 @@ struct bifrost_blend_rt { */ u16 constant; - struct mali_blend_equation equation; + struct mali_blend_equation_packed equation; /* * - 0x19 normally @@ -533,111 +253,6 @@ struct bifrost_blend_rt { }; } __attribute__((packed)); -/* Descriptor for the shader. Following this is at least one, up to four blend - * descriptors for each active render target */ - -struct mali_shader_meta { - mali_ptr shader; - u16 sampler_count; - u16 texture_count; - u16 attribute_count; - u16 varying_count; - - union { - struct { - u32 uniform_buffer_count : 4; - u32 unk1 : 28; // = 0x800000 for vertex, 0x958020 for tiler - } bifrost1; - struct { - unsigned uniform_buffer_count : 4; - unsigned flags_lo : 12; - - /* vec4 units */ - unsigned work_count : 5; - unsigned uniform_count : 5; - unsigned flags_hi : 6; - } midgard1; - }; - - /* Same as glPolygoOffset() arguments */ - float depth_units; - float depth_factor; - - u32 unknown2_2; - - u16 alpha_coverage; - u16 unknown2_3; - - u8 stencil_mask_front; - u8 stencil_mask_back; - u16 unknown2_4; - - struct mali_stencil_test stencil_front; - struct mali_stencil_test stencil_back; - - union { - struct { - u32 unk3 : 7; - /* On Bifrost, some system values are preloaded in - * registers R55-R62 by the thread dispatcher prior to - * the start of shader execution. This is a bitfield - * with one entry for each register saying which - * registers need to be preloaded. Right now, the known - * values are: - * - * Vertex/compute: - * - R55 : gl_LocalInvocationID.xy - * - R56 : gl_LocalInvocationID.z + unknown in high 16 bits - * - R57 : gl_WorkGroupID.x - * - R58 : gl_WorkGroupID.y - * - R59 : gl_WorkGroupID.z - * - R60 : gl_GlobalInvocationID.x - * - R61 : gl_GlobalInvocationID.y/gl_VertexID (without base) - * - R62 : gl_GlobalInvocationID.z/gl_InstanceID (without base) - * - * Fragment: - * - R55 : unknown, never seen (but the bit for this is - * always set?) - * - R56 : unknown (bit always unset) - * - R57 : gl_PrimitiveID - * - R58 : gl_FrontFacing in low bit, potentially other stuff - * - R59 : u16 fragment coordinates (used to compute - * gl_FragCoord.xy, together with sample positions) - * - R60 : gl_SampleMask (used in epilog, so pretty - * much always used, but the bit is always 0 -- is - * this just always pushed?) - * - R61 : gl_SampleMaskIn and gl_SampleID, used by - * varying interpolation. - * - R62 : unknown (bit always unset). - * - * Later GPUs (starting with Mali-G52?) support - * preloading float varyings into r0-r7. This is - * indicated by setting 0x40. There is no distinction - * here between 1 varying and 2. - */ - u32 preload_regs : 8; - /* In units of 8 bytes or 64 bits, since the - * uniform/const port loads 64 bits at a time. - */ - u32 uniform_count : 7; - u32 unk4 : 10; // = 2 - } bifrost2; - struct { - u32 unknown2_7; - } midgard2; - }; - - u32 padding; - - /* Blending information for the older non-MRT Midgard HW. Check for - * MALI_HAS_BLEND_SHADER to decide how to interpret. - */ - - union midgard_blend blend; -} __attribute__((packed)); - -/* This only concerns hardware jobs */ - /* Possible values for job_descriptor_size */ #define MALI_JOB_32 0 @@ -657,21 +272,6 @@ struct mali_job_descriptor_header { u64 next_job; } __attribute__((packed)); -/* These concern exception_status */ - -/* Access type causing a fault, paralleling AS_FAULTSTATUS_* entries in the - * kernel */ - -enum mali_exception_access { - /* Atomic in the kernel for MMU, but that doesn't make sense for a job - * fault so it's just unused */ - MALI_EXCEPTION_ACCESS_NONE = 0, - - MALI_EXCEPTION_ACCESS_EXECUTE = 1, - MALI_EXCEPTION_ACCESS_READ = 2, - MALI_EXCEPTION_ACCESS_WRITE = 3 -}; - /* Details about write_value from panfrost igt tests which use it as a generic * dword write primitive */ @@ -805,82 +405,8 @@ struct mali_payload_write_value { * 3. If e <= 2^shift, then we need to use the round-down algorithm. Set * magic_divisor = m - 1 and extra_flags = 1. * 4. Otherwise, set magic_divisor = m and extra_flags = 0. - * - * Unrelated to instancing/actual attributes, images (the OpenCL kind) are - * implemented as special attributes, denoted by MALI_ATTR_IMAGE. For images, - * let shift=extra_flags=0. Stride is set to the image format's bytes-per-pixel - * (*NOT the row stride*). Size is set to the size of the image itself. - * - * Special internal attribtues and varyings (gl_VertexID, gl_FrontFacing, etc) - * use particular fixed addresses with modified structures. */ -enum mali_attr_mode { - MALI_ATTR_UNUSED = 0, - MALI_ATTR_LINEAR = 1, - MALI_ATTR_POT_DIVIDE = 2, - MALI_ATTR_MODULO = 3, - MALI_ATTR_NPOT_DIVIDE = 4, - MALI_ATTR_IMAGE = 5, -}; - -/* Pseudo-address for gl_VertexID, gl_FragCoord, gl_FrontFacing */ - -#define MALI_ATTR_VERTEXID (0x22) -#define MALI_ATTR_INSTANCEID (0x24) -#define MALI_VARYING_FRAG_COORD (0x25) -#define MALI_VARYING_FRONT_FACING (0x26) - -/* This magic "pseudo-address" is used as `elements` to implement - * gl_PointCoord. When read from a fragment shader, it generates a point - * coordinate per the OpenGL ES 2.0 specification. Flipped coordinate spaces - * require an affine transformation in the shader. */ - -#define MALI_VARYING_POINT_COORD (0x61) - -/* Used for comparison to check if an address is special. Mostly a guess, but - * it doesn't really matter. */ - -#define MALI_RECORD_SPECIAL (0x100) - -union mali_attr { - /* This is used for actual attributes. */ - struct { - /* The bottom 3 bits are the mode */ - mali_ptr elements : 64 - 8; - u32 shift : 5; - u32 extra_flags : 3; - u32 stride; - u32 size; - }; - /* The entry after an NPOT_DIVIDE entry has this format. It stores - * extra information that wouldn't fit in a normal entry. - */ - struct { - u32 unk; /* = 0x20 */ - u32 magic_divisor; - u32 zero; - /* This is the original, GL-level divisor. */ - u32 divisor; - }; -} __attribute__((packed)); - -struct mali_attr_meta { - /* Vertex buffer index */ - u8 index; - - unsigned unknown1 : 2; - unsigned swizzle : 12; - enum mali_format format : 8; - - /* Always observed to be zero at the moment */ - unsigned unknown3 : 2; - - /* When packing multiple attributes in a buffer, offset addresses by - * this value. Obscurely, this is signed. */ - int32_t src_offset; -} __attribute__((packed)); - #define FBD_MASK (~0x3f) /* MFBD, rather than SFBD */ @@ -889,129 +415,14 @@ struct mali_attr_meta { /* ORed into an MFBD address to specify the fbx section is included */ #define MALI_MFBD_TAG_EXTRA (0x2) -/* Uniform buffer objects are 64-bit fields divided as: - * - * u64 size : 10; - * mali_ptr ptr : 64 - 10; - * - * The size is actually the size minus 1 (MALI_POSITIVE), in units of 16 bytes. - * This gives a maximum of 2^14 bytes, which just so happens to be the GL - * minimum-maximum for GL_MAX_UNIFORM_BLOCK_SIZE. - * - * The pointer is missing the bottom 2 bits and top 8 bits. The top 8 bits - * should be 0 for userspace pointers, according to - * https://lwn.net/Articles/718895/. By reusing these bits, we can make each - * entry in the table only 64 bits. - */ - -#define MALI_MAKE_UBO(elements, ptr) \ - (MALI_POSITIVE((elements)) | (((ptr) >> 2) << 10)) - /* On Bifrost, these fields are the same between the vertex and tiler payloads. * They also seem to be the same between Bifrost and Midgard. They're shared in * fused payloads. */ -/* Applies to unknown_draw */ - -#define MALI_DRAW_INDEXED_UINT8 (0x10) -#define MALI_DRAW_INDEXED_UINT16 (0x20) -#define MALI_DRAW_INDEXED_UINT32 (0x30) -#define MALI_DRAW_INDEXED_SIZE (0x30) -#define MALI_DRAW_INDEXED_SHIFT (4) - -#define MALI_DRAW_VARYING_SIZE (0x100) - -/* Set to use first vertex as the provoking vertex for flatshading. Clear to - * use the last vertex. This is the default in DX and VK, but not in GL. */ - -#define MALI_DRAW_FLATSHADE_FIRST (0x800) - -#define MALI_DRAW_PRIMITIVE_RESTART_FIXED_INDEX (0x10000) - struct mali_vertex_tiler_prefix { - /* This is a dynamic bitfield containing the following things in this order: - * - * - gl_WorkGroupSize.x - * - gl_WorkGroupSize.y - * - gl_WorkGroupSize.z - * - gl_NumWorkGroups.x - * - gl_NumWorkGroups.y - * - gl_NumWorkGroups.z - * - * The number of bits allocated for each number is based on the *_shift - * fields below. For example, workgroups_y_shift gives the bit that - * gl_NumWorkGroups.y starts at, and workgroups_z_shift gives the bit - * that gl_NumWorkGroups.z starts at (and therefore one after the bit - * that gl_NumWorkGroups.y ends at). The actual value for each gl_* - * value is one more than the stored value, since if any of the values - * are zero, then there would be no invocations (and hence no job). If - * there were 0 bits allocated to a given field, then it must be zero, - * and hence the real value is one. - * - * Vertex jobs reuse the same job dispatch mechanism as compute jobs, - * effectively doing glDispatchCompute(1, vertex_count, instance_count) - * where vertex count is the number of vertices. - */ - u32 invocation_count; - - /* Bitfield for shifts: - * - * size_y_shift : 5 - * size_z_shift : 5 - * workgroups_x_shift : 6 - * workgroups_y_shift : 6 - * workgroups_z_shift : 6 - * workgroups_x_shift_2 : 4 - */ - u32 invocation_shifts; - - u32 draw_mode : 4; - u32 unknown_draw : 22; - - /* This is the the same as workgroups_x_shift_2 in compute shaders, but - * always 5 for vertex jobs and 6 for tiler jobs. I suspect this has - * something to do with how many quads get put in the same execution - * engine, which is a balance (you don't want to starve the engine, but - * you also want to distribute work evenly). - */ - u32 workgroups_x_shift_3 : 6; - - - /* Negative of min_index. This is used to compute - * the unbiased index in tiler/fragment shader runs. - * - * The hardware adds offset_bias_correction in each run, - * so that absent an index bias, the first vertex processed is - * genuinely the first vertex (0). But with an index bias, - * the first vertex process is numbered the same as the bias. - * - * To represent this more conviniently: - * unbiased_index = lower_bound_index + - * index_bias + - * offset_bias_correction - * - * This is done since the hardware doesn't accept a index_bias - * and this allows it to recover the unbiased index. - */ - int32_t offset_bias_correction; - u32 zero1; - - /* Like many other strictly nonzero quantities, index_count is - * subtracted by one. For an indexed cube, this is equal to 35 = 6 - * faces * 2 triangles/per face * 3 vertices/per triangle - 1. That is, - * for an indexed draw, index_count is the number of actual vertices - * rendered whereas invocation_count is the number of unique vertices - * rendered (the number of times the vertex shader must be invoked). - * For non-indexed draws, this is just equal to invocation_count. */ - - u32 index_count; - - /* No hidden structure; literally just a pointer to an array of uint - * indices (width depends on flags). Thanks, guys, for not making my - * life insane for once! NULL for non-indexed draws. */ - - u64 indices; + struct mali_invocation_packed invocation; + struct mali_primitive_packed primitive; } __attribute__((packed)); /* Point size / line width can either be specified as a 32-bit float (for @@ -1041,12 +452,13 @@ struct bifrost_tiler_heap_meta { } __attribute__((packed)); struct bifrost_tiler_meta { - u64 zero0; + u32 tiler_heap_next_start; /* To be written by the GPU */ + u32 used_hierarchy_mask; /* To be written by the GPU */ u16 hierarchy_mask; /* Five values observed: 0xa, 0x14, 0x28, 0x50, 0xa0 */ u16 flags; u16 width; u16 height; - u64 zero1; + u64 zero0; mali_ptr tiler_heap_meta; /* TODO what is this used for? */ u64 zeros[20]; @@ -1151,28 +563,6 @@ struct bifrost_payload_fused { #define MALI_POSITIVE(dim) (dim - 1) -/* Used with wrapping. Unclear what top bit conveys */ - -enum mali_wrap_mode { - MALI_WRAP_REPEAT = 0x8 | 0x0, - MALI_WRAP_CLAMP_TO_EDGE = 0x8 | 0x1, - MALI_WRAP_CLAMP = 0x8 | 0x2, - MALI_WRAP_CLAMP_TO_BORDER = 0x8 | 0x3, - MALI_WRAP_MIRRORED_REPEAT = 0x8 | 0x4 | 0x0, - MALI_WRAP_MIRRORED_CLAMP_TO_EDGE = 0x8 | 0x4 | 0x1, - MALI_WRAP_MIRRORED_CLAMP = 0x8 | 0x4 | 0x2, - MALI_WRAP_MIRRORED_CLAMP_TO_BORDER = 0x8 | 0x4 | 0x3, -}; - -/* Shared across both command stream and Midgard, and even with Bifrost */ - -enum mali_texture_type { - MALI_TEX_CUBE = 0x0, - MALI_TEX_1D = 0x1, - MALI_TEX_2D = 0x2, - MALI_TEX_3D = 0x3 -}; - /* 8192x8192 */ #define MAX_MIP_LEVELS (13) @@ -1182,117 +572,6 @@ enum mali_texture_type { /* For each pointer, there is an address and optionally also a stride */ #define MAX_ELEMENTS (2) -/* It's not known why there are 4-bits allocated -- this enum is almost - * certainly incomplete */ - -enum mali_texture_layout { - /* For a Z/S texture, this is linear */ - MALI_TEXTURE_TILED = 0x1, - - /* Z/S textures cannot be tiled */ - MALI_TEXTURE_LINEAR = 0x2, - - /* 16x16 sparse */ - MALI_TEXTURE_AFBC = 0xC -}; - -/* Corresponds to the type passed to glTexImage2D and so forth */ - -struct mali_texture_format { - unsigned swizzle : 12; - enum mali_format format : 8; - - unsigned srgb : 1; - unsigned unknown1 : 1; - - enum mali_texture_type type : 2; - enum mali_texture_layout layout : 4; - - /* Always set */ - unsigned unknown2 : 1; - - /* Set to allow packing an explicit stride */ - unsigned manual_stride : 1; - - unsigned zero : 2; -} __attribute__((packed)); - -struct mali_texture_descriptor { - uint16_t width; - uint16_t height; - uint16_t depth; - uint16_t array_size; - - struct mali_texture_format format; - - uint16_t unknown3; - - /* One for non-mipmapped, zero for mipmapped */ - uint8_t unknown3A; - - /* Zero for non-mipmapped, (number of levels - 1) for mipmapped */ - uint8_t levels; - - /* Swizzling is a single 32-bit word, broken up here for convenience. - * Here, swizzling refers to the ES 3.0 texture parameters for channel - * level swizzling, not the internal pixel-level swizzling which is - * below OpenGL's reach */ - - unsigned swizzle : 12; - unsigned swizzle_zero : 20; - - uint32_t unknown5; - uint32_t unknown6; - uint32_t unknown7; -} __attribute__((packed)); - -/* While Midgard texture descriptors are variable length, Bifrost descriptors - * are fixed like samplers with more pointers to expand if necessary */ - -struct bifrost_texture_descriptor { - unsigned format_unk : 4; /* 2 */ - enum mali_texture_type type : 2; - unsigned format_unk2 : 16; /* 0 */ - enum mali_format format : 8; - unsigned srgb : 1; - unsigned format_unk3 : 1; /* 0 */ - - uint16_t width; /* MALI_POSITIVE */ - uint16_t height; /* MALI_POSITIVE */ - - /* OpenGL swizzle */ - unsigned swizzle : 12; - enum mali_texture_layout layout : 4; - uint8_t levels : 8; /* Number of levels-1 if mipmapped, 0 if not */ - unsigned unk1 : 8; - - unsigned levels_unk : 24; /* 0 */ - unsigned level_2 : 8; /* Number of levels, again? */ - - mali_ptr payload; - - uint16_t array_size; - uint16_t unk4; - - uint16_t depth; - uint16_t unk5; -} __attribute__((packed)); - -/* filter_mode */ - -#define MALI_SAMP_MAG_NEAREST (1 << 0) -#define MALI_SAMP_MIN_NEAREST (1 << 1) - -/* TODO: What do these bits mean individually? Only seen set together */ - -#define MALI_SAMP_MIP_LINEAR_1 (1 << 3) -#define MALI_SAMP_MIP_LINEAR_2 (1 << 4) - -/* Flag in filter_mode, corresponding to OpenCL's NORMALIZED_COORDS_TRUE - * sampler_t flag. For typical OpenGL textures, this is always set. */ - -#define MALI_SAMP_NORM_COORDS (1 << 5) - /* Used for lod encoding. Thanks @urjaman for pointing out these routines can * be cleaned up a lot. */ @@ -1310,83 +589,6 @@ FIXED_16(float x, bool allow_negative) return (int) (x * 256.0); } -struct mali_sampler_descriptor { - uint16_t filter_mode; - - /* Fixed point, signed. - * Upper 7 bits before the decimal point, although it caps [0-31]. - * Lower 8 bits after the decimal point: int(round(x * 256)) */ - - int16_t lod_bias; - int16_t min_lod; - int16_t max_lod; - - /* All one word in reality, but packed a bit. Comparisons are flipped - * from OpenGL. */ - - enum mali_wrap_mode wrap_s : 4; - enum mali_wrap_mode wrap_t : 4; - enum mali_wrap_mode wrap_r : 4; - enum mali_func compare_func : 3; - - /* No effect on 2D textures. For cubemaps, set for ES3 and clear for - * ES2, controlling seamless cubemapping */ - unsigned seamless_cube_map : 1; - - unsigned zero : 16; - - uint32_t zero2; - float border_color[4]; -} __attribute__((packed)); - -/* Bifrost sampler descriptors look pretty similar */ - -#define BIFROST_SAMP_MIN_NEAREST (1) -#define BIFROST_SAMP_MAG_LINEAR (1) - -struct bifrost_sampler_descriptor { - uint8_t unk1; - - enum mali_wrap_mode wrap_r : 4; - enum mali_wrap_mode wrap_t : 4; - enum mali_wrap_mode wrap_s : 4; - uint8_t unk8 : 4; - - uint8_t unk2 : 1; - uint8_t norm_coords : 1; - uint8_t unk3 : 1; - uint8_t min_filter : 1; - uint8_t zero1 : 1; - uint8_t mag_filter : 1; - uint8_t mip_filter : 1; - - int16_t min_lod; - int16_t max_lod; - - uint64_t zero2; - uint64_t zero3; - uint64_t zero4; -} __attribute__((packed)); - -/* viewport0/viewport1 form the arguments to glViewport. viewport1 is - * modified by MALI_POSITIVE; viewport0 is as-is. - */ - -struct mali_viewport { - /* XY clipping planes */ - float clip_minx; - float clip_miny; - float clip_maxx; - float clip_maxy; - - /* Depth clipping planes */ - float clip_minz; - float clip_maxz; - - u16 viewport0[2]; - u16 viewport1[2]; -} __attribute__((packed)); - /* From presentations, 16x16 tiles externally. Use shift for fast computation * of tile numbers. */ @@ -1496,13 +698,6 @@ struct midgard_tiler_descriptor { u32 weights[8]; }; -enum mali_block_format { - MALI_BLOCK_TILED = 0x0, - MALI_BLOCK_UNKNOWN = 0x1, - MALI_BLOCK_LINEAR = 0x2, - MALI_BLOCK_AFBC = 0x3, -}; - struct mali_sfbd_format { /* 0x1 */ unsigned unk1 : 6; @@ -1626,10 +821,8 @@ struct mali_single_framebuffer { /* More below this, maybe */ } __attribute__((packed)); -/* Format bits for the render target flags */ -#define MALI_MFBD_FORMAT_MSAA (1 << 1) -#define MALI_MFBD_FORMAT_SRGB (1 << 2) +#define MALI_MFBD_FORMAT_SRGB (1 << 0) struct mali_rt_format { unsigned unk1 : 32; @@ -1640,7 +833,8 @@ struct mali_rt_format { unsigned unk3 : 4; unsigned unk4 : 1; enum mali_block_format block : 2; - unsigned flags : 4; + enum mali_msaa msaa : 2; + unsigned flags : 2; unsigned swizzle : 12; @@ -1656,6 +850,13 @@ struct mali_rt_format { unsigned no_preload : 1; } __attribute__((packed)); +/* Flags for afbc.flags and ds_afbc.flags */ + +#define MALI_AFBC_FLAGS 0x10009 + +/* Lossless RGB and RGBA colorspace transform */ +#define MALI_AFBC_YTR (1 << 17) + struct mali_render_target { struct mali_rt_format format; @@ -1674,14 +875,14 @@ struct mali_render_target { mali_ptr metadata; u32 stride; // stride in units of tiles - u32 unk; // = 0x20000 + u32 flags; // = 0x20000 } afbc; mali_ptr framebuffer; u32 zero2 : 4; - u32 framebuffer_stride : 28; // in units of bytes - u32 zero3; + u32 framebuffer_stride : 28; // in units of bytes, row to next + u32 layer_stride; /* For multisample rendering */ u32 clear_color_1; // RGBA8888 from glClear, actually used by hardware u32 clear_color_2; // always equal, but unclear function? @@ -1699,7 +900,7 @@ struct mali_render_target { */ /* flags_hi */ -#define MALI_EXTRA_PRESENT (0x10) +#define MALI_EXTRA_PRESENT (0x1) /* flags_lo */ #define MALI_EXTRA_ZS (0x4) @@ -1711,14 +912,18 @@ struct mali_framebuffer_extra { unsigned flags_lo : 4; enum mali_block_format zs_block : 2; - unsigned flags_hi : 26; + + /* Number of samples in Z/S attachment, MALI_POSITIVE. So zero for + * 1-sample (non-MSAA), 0x3 for MSAA 4x, etc */ + unsigned zs_samples : 4; + unsigned flags_hi : 22; union { /* Note: AFBC is only allowed for 24/8 combined depth/stencil. */ struct { mali_ptr depth_stencil_afbc_metadata; u32 depth_stencil_afbc_stride; // in units of tiles - u32 zero1; + u32 flags; mali_ptr depth_stencil; @@ -1730,12 +935,12 @@ struct mali_framebuffer_extra { mali_ptr depth; u32 depth_stride_zero : 4; u32 depth_stride : 28; - u32 zero1; + u32 depth_layer_stride; mali_ptr stencil; u32 stencil_stride_zero : 4; u32 stencil_stride : 28; - u32 zero2; + u32 stencil_layer_stride; } ds_linear; }; @@ -1767,8 +972,8 @@ struct mali_framebuffer { u32 zero3; u16 width2, height2; u32 unk1 : 19; // = 0x01000 - u32 rt_count_1 : 2; // off-by-one (use MALI_POSITIVE) - u32 unk2 : 3; // = 0 + u32 rt_count_1 : 3; // off-by-one (use MALI_POSITIVE) + u32 unk2 : 2; // = 0 u32 rt_count_2 : 3; // no off-by-one u32 zero4 : 5; /* 0x30 */