/**************************************************************************
- *
- * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
+ *
+ * Copyright 2007 VMware, Inc.
* All Rights Reserved.
- *
+ *
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
- *
+ *
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
- *
+ *
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
+ * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- *
+ *
**************************************************************************/
/**
* @file
- *
+ *
* Abstract graphics pipe state objects.
*
* Basic notes:
#define PIPE_MAX_CLIP_PLANES 8
#define PIPE_MAX_COLOR_BUFS 8
#define PIPE_MAX_CONSTANT_BUFFERS 32
-#define PIPE_MAX_SAMPLERS 16
-#define PIPE_MAX_VERTEX_SAMPLERS 16
-#define PIPE_MAX_GEOMETRY_SAMPLERS 16
-#define PIPE_MAX_SHADER_INPUTS 32
-#define PIPE_MAX_SHADER_OUTPUTS 32
-#define PIPE_MAX_SHADER_RESOURCES 32
+#define PIPE_MAX_SAMPLERS 32
+#define PIPE_MAX_SHADER_INPUTS 80 /* 32 GENERIC + 32 PATCH + 16 others */
+#define PIPE_MAX_SHADER_OUTPUTS 80 /* 32 GENERIC + 32 PATCH + 16 others */
+#define PIPE_MAX_SHADER_SAMPLER_VIEWS 32
+#define PIPE_MAX_SHADER_BUFFERS 32
+#define PIPE_MAX_SHADER_IMAGES 32
#define PIPE_MAX_TEXTURE_LEVELS 16
#define PIPE_MAX_SO_BUFFERS 4
+#define PIPE_MAX_SO_OUTPUTS 64
+#define PIPE_MAX_VIEWPORTS 16
+#define PIPE_MAX_CLIP_OR_CULL_DISTANCE_COUNT 8
+#define PIPE_MAX_CLIP_OR_CULL_DISTANCE_ELEMENT_COUNT 2
+#define PIPE_MAX_WINDOW_RECTANGLES 8
struct pipe_reference
unsigned point_smooth:1;
unsigned sprite_coord_mode:1; /**< PIPE_SPRITE_COORD_ */
unsigned point_quad_rasterization:1; /** points rasterized as quads or points */
+ unsigned point_tri_clip:1; /** large points clipped as tris or points */
unsigned point_size_per_vertex:1; /**< size computed in vertex shader */
unsigned multisample:1; /* XXX maybe more ms state in future */
+ unsigned force_persample_interp:1;
unsigned line_smooth:1;
unsigned line_stipple_enable:1;
unsigned line_last_pixel:1;
*/
unsigned flatshade_first:1;
- /**
- * When true, triangle rasterization uses (0.5, 0.5) pixel centers
- * for determining pixel ownership.
- *
- * When false, triangle rasterization uses (0,0) pixel centers for
- * determining pixel ownership.
- *
- * Triangle rasterization always uses a 'top,left' rule for pixel
- * ownership, this just alters which point we consider the pixel
- * center for that test.
- */
- unsigned gl_rasterization_rules:1;
+ unsigned half_pixel_center:1;
+ unsigned bottom_edge_rule:1;
/**
* When true, rasterization is disabled and no pixels are written.
*/
unsigned rasterizer_discard:1;
+ /**
+ * When false, depth clipping is disabled and the depth value will be
+ * clamped later at the per-pixel level before depth testing.
+ * This depends on PIPE_CAP_DEPTH_CLIP_DISABLE.
+ */
+ unsigned depth_clip:1;
+
+ /**
+ * When true clip space in the z axis goes from [0..1] (D3D). When false
+ * [-1, 1] (GL).
+ *
+ * NOTE: D3D will always use depth clamping.
+ */
+ unsigned clip_halfz:1;
+
+ /**
+ * When true do not scale offset_units and use same rules for unorm and
+ * float depth buffers (D3D9). When false use GL/D3D1X behaviour.
+ * This depends on PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED.
+ */
+ unsigned offset_units_unscaled:1;
+
+ /**
+ * Enable bits for clipping half-spaces.
+ * This applies to both user clip planes and shader clip distances.
+ * Note that if the bound shader exports any clip distances, these
+ * replace all user clip planes, and clip half-spaces enabled here
+ * but not written by the shader count as disabled.
+ */
+ unsigned clip_plane_enable:PIPE_MAX_CLIP_PLANES;
+
unsigned line_stipple_factor:8; /**< [1..256] actually */
unsigned line_stipple_pattern:16;
- unsigned sprite_coord_enable:PIPE_MAX_SHADER_OUTPUTS;
+ uint32_t sprite_coord_enable; /* referring to 32 TEXCOORD/GENERIC inputs */
float line_width;
float point_size; /**< used when no per-vertex size */
struct pipe_viewport_state
{
- float scale[4];
- float translate[4];
+ float scale[3];
+ float translate[3];
};
struct pipe_clip_state
{
float ucp[PIPE_MAX_CLIP_PLANES][4];
- unsigned nr;
- unsigned depth_clamp:1;
};
struct pipe_stream_output_info
{
unsigned num_outputs;
- /** stride for an entire vertex, only used if all output_buffers are 0 */
- unsigned stride;
+ /** stride for an entire vertex for each buffer in dwords */
+ unsigned stride[PIPE_MAX_SO_BUFFERS];
+
/**
* Array of stream outputs, in the order they are to be written in.
* Selected components are tightly packed into the output buffer.
*/
struct {
- unsigned register_index:8; /**< 0 to PIPE_MAX_SHADER_OUTPUTS */
- unsigned register_mask:4; /**< TGSI_WRITEMASK_x */
- unsigned output_buffer:4; /**< 0 to PIPE_MAX_SO_BUFFERS */
- } output[PIPE_MAX_SHADER_OUTPUTS];
+ unsigned register_index:8; /**< 0 to PIPE_MAX_SHADER_OUTPUTS */
+ unsigned start_component:2; /** 0 to 3 */
+ unsigned num_components:3; /** 1 to 4 */
+ unsigned output_buffer:3; /**< 0 to PIPE_MAX_SO_BUFFERS */
+ unsigned dst_offset:16; /**< offset into the buffer in dwords */
+ unsigned stream:2; /**< 0 to 3 */
+ } output[PIPE_MAX_SO_OUTPUTS];
};
-
+/**
+ * The 'type' parameter identifies whether the shader state contains TGSI
+ * tokens, etc. If the driver returns 'PIPE_SHADER_IR_TGSI' for the
+ * 'PIPE_SHADER_CAP_PREFERRED_IR' shader param, the ir will *always* be
+ * 'PIPE_SHADER_IR_TGSI' and the tokens ptr will be valid. If the driver
+ * requests a different 'pipe_shader_ir' type, then it must check the 'type'
+ * enum to see if it is getting TGSI tokens or its preferred IR.
+ *
+ * TODO pipe_compute_state should probably get similar treatment to handle
+ * multiple IR's in a cleaner way..
+ *
+ * NOTE: since it is expected that the consumer will want to perform
+ * additional passes on the nir_shader, the driver takes ownership of
+ * the nir_shader. If state trackers need to hang on to the IR (for
+ * example, variant management), it should use nir_shader_clone().
+ */
struct pipe_shader_state
{
+ enum pipe_shader_ir type;
+ /* TODO move tokens into union. */
const struct tgsi_token *tokens;
+ union {
+ void *llvm;
+ void *native;
+ void *nir;
+ } ir;
struct pipe_stream_output_info stream_output;
};
+static inline void
+pipe_shader_state_from_tgsi(struct pipe_shader_state *state,
+ const struct tgsi_token *tokens)
+{
+ state->type = PIPE_SHADER_IR_TGSI;
+ state->tokens = tokens;
+ memset(&state->stream_output, 0, sizeof(state->stream_output));
+}
-struct pipe_depth_state
+struct pipe_depth_state
{
unsigned enabled:1; /**< depth test enabled? */
unsigned writemask:1; /**< allow depth buffer writes? */
unsigned func:3; /**< depth test func (PIPE_FUNC_x) */
+ unsigned bounds_test:1; /**< depth bounds test enabled? */
+ float bounds_min; /**< minimum depth bound */
+ float bounds_max; /**< maximum depth bound */
};
unsigned colormask:4; /**< bitmask of PIPE_MASK_R/G/B/A */
};
+
struct pipe_blend_state
{
unsigned independent_blend_enable:1;
float color[4];
};
+
struct pipe_stencil_ref
{
ubyte ref_value[2];
};
+
+/**
+ * Note that pipe_surfaces are "texture views for rendering"
+ * and so in the case of ARB_framebuffer_no_attachment there
+ * is no pipe_surface state available such that we may
+ * extract the number of samples and layers.
+ */
struct pipe_framebuffer_state
{
unsigned width, height;
+ unsigned samples; /**< Number of samples in a no-attachment framebuffer */
+ unsigned layers; /**< Number of layers in a no-attachment framebuffer */
/** multiple color buffers for multiple render targets */
unsigned nr_cbufs;
union pipe_color_union border_color;
};
+union pipe_surface_desc {
+ struct {
+ unsigned level;
+ unsigned first_layer:16;
+ unsigned last_layer:16;
+ } tex;
+ struct {
+ unsigned first_element;
+ unsigned last_element;
+ } buf;
+};
/**
* A view into a texture that can be bound to a color render target /
{
struct pipe_reference reference;
struct pipe_resource *texture; /**< resource into which this is a view */
- struct pipe_context *context; /**< context this view belongs to */
+ struct pipe_context *context; /**< context this surface belongs to */
enum pipe_format format;
/* XXX width/height should be removed */
unsigned width; /**< logical width in pixels */
unsigned height; /**< logical height in pixels */
- unsigned usage; /**< bitmask of PIPE_BIND_x */
+ unsigned writable:1; /**< writable shader resource */
- union {
- struct {
- unsigned level;
- unsigned first_layer:16;
- unsigned last_layer:16;
- } tex;
- struct {
- unsigned first_element;
- unsigned last_element;
- } buf;
- } u;
+ union pipe_surface_desc u;
};
struct pipe_sampler_view
{
struct pipe_reference reference;
+ enum pipe_texture_target target; /**< PIPE_TEXTURE_x */
enum pipe_format format; /**< typed PIPE_FORMAT_x */
struct pipe_resource *texture; /**< texture into which this is a view */
struct pipe_context *context; /**< context this view belongs to */
union {
struct {
- unsigned first_layer:16; /**< first layer to use for array textures */
- unsigned last_layer:16; /**< last layer to use for array textures */
- unsigned first_level:8; /**< first mipmap level to use */
- unsigned last_level:8; /**< last mipmap level to use */
+ unsigned first_layer:16; /**< first layer to use for array textures */
+ unsigned last_layer:16; /**< last layer to use for array textures */
+ unsigned first_level:8; /**< first mipmap level to use */
+ unsigned last_level:8; /**< last mipmap level to use */
} tex;
struct {
- unsigned first_element;
- unsigned last_element;
+ unsigned offset; /**< offset in bytes */
+ unsigned size; /**< size of the readable sub-range in bytes */
} buf;
} u;
unsigned swizzle_r:3; /**< PIPE_SWIZZLE_x for red component */
};
+/**
+ * A description of a buffer or texture image that can be bound to a shader
+ * stage.
+ */
+struct pipe_image_view
+{
+ struct pipe_resource *resource; /**< resource into which this is a view */
+ enum pipe_format format; /**< typed PIPE_FORMAT_x */
+ unsigned access; /**< PIPE_IMAGE_ACCESS_x */
+
+ union {
+ struct {
+ unsigned first_layer:16; /**< first layer to use for array textures */
+ unsigned last_layer:16; /**< last layer to use for array textures */
+ unsigned level:8; /**< mipmap level to use */
+ } tex;
+ struct {
+ unsigned offset; /**< offset in bytes */
+ unsigned size; /**< size of the accessible sub-range in bytes */
+ } buf;
+ } u;
+};
+
+
/**
* Subregion of 1D/2D/3D image resource.
*/
struct pipe_box
{
- unsigned x;
- unsigned y;
- unsigned z;
- unsigned width;
- unsigned height;
- unsigned depth;
+ int x;
+ int y;
+ int z;
+ int width;
+ int height;
+ int depth;
};
unsigned bind; /**< bitmask of PIPE_BIND_x */
unsigned flags; /**< bitmask of PIPE_RESOURCE_FLAG_x */
+
+ /**
+ * For planar images, ie. YUV EGLImage external, etc, pointer to the
+ * next plane.
+ */
+ struct pipe_resource *next;
};
struct pipe_box box; /**< region of the resource to access */
unsigned stride; /**< row stride in bytes */
unsigned layer_stride; /**< image/layer stride in bytes */
- void *data;
};
unsigned stride; /**< stride to same attrib in next vertex, in bytes */
unsigned buffer_offset; /**< offset to start of data in buffer, in bytes */
struct pipe_resource *buffer; /**< the actual buffer */
+ const void *user_buffer; /**< pointer to a user buffer if buffer == NULL */
+};
+
+
+/**
+ * A constant buffer. A subrange of an existing buffer can be set
+ * as a constant buffer.
+ */
+struct pipe_constant_buffer
+{
+ struct pipe_resource *buffer; /**< the actual buffer */
+ unsigned buffer_offset; /**< offset to start of data in buffer, in bytes */
+ unsigned buffer_size; /**< how much data can be read in shader */
+ const void *user_buffer; /**< pointer to a user buffer if buffer == NULL */
+};
+
+
+/**
+ * An untyped shader buffer supporting loads, stores, and atomics.
+ */
+struct pipe_shader_buffer {
+ struct pipe_resource *buffer; /**< the actual buffer */
+ unsigned buffer_offset; /**< offset to start of data in buffer, in bytes */
+ unsigned buffer_size; /**< how much data can be read in shader */
};
* have been written. The internal offset can be stored on the device
* and the CPU actually doesn't have to query it.
*
+ * Note that the buffer_size variable is actually specifying the available
+ * space in the buffer, not the size of the attached buffer.
+ * In other words in majority of cases buffer_size would simply be
+ * 'buffer->width0 - buffer_offset', so buffer_size refers to the size
+ * of the buffer left, after accounting for buffer offset, for stream output
+ * to write to.
+ *
* Use PIPE_QUERY_SO_STATISTICS to know how many primitives have
* actually been written.
*/
struct pipe_stream_output_target
{
struct pipe_reference reference;
- struct pipe_resource *buffer; /**< buffer into which this is a target view */
- struct pipe_context *context; /**< context this view belongs to */
+ struct pipe_resource *buffer; /**< the output buffer */
+ struct pipe_context *context; /**< context this SO target belongs to */
unsigned buffer_offset; /**< offset where data should be written, in bytes */
unsigned buffer_size; /**< how much data is allowed to be written */
* this attribute live in?
*/
unsigned vertex_buffer_index;
-
+
enum pipe_format src_format;
};
unsigned index_size; /**< size of an index, in bytes */
unsigned offset; /**< offset to start of data in buffer, in bytes */
struct pipe_resource *buffer; /**< the actual buffer */
+ const void *user_buffer; /**< pointer to a user buffer if buffer == NULL */
};
{
boolean indexed; /**< use index buffer */
- unsigned mode; /**< the mode of the primitive */
+ enum pipe_prim_type mode; /**< the mode of the primitive */
unsigned start; /**< the index of the first vertex */
unsigned count; /**< number of vertices */
unsigned start_instance; /**< first instance id */
unsigned instance_count; /**< number of instances */
+ unsigned drawid; /**< id of this draw in a multidraw */
+
+ unsigned vertices_per_patch; /**< the number of vertices per patch */
+
/**
* For indexed drawing, these fields apply after index lookup.
*/
* be set via set_vertex_buffers manually.
*/
struct pipe_stream_output_target *count_from_stream_output;
+
+ /* Indirect draw parameters resource: If not NULL, most values are taken
+ * from this buffer instead, which is laid out as follows:
+ *
+ * if indexed is TRUE:
+ * struct {
+ * uint32_t count;
+ * uint32_t instance_count;
+ * uint32_t start;
+ * int32_t index_bias;
+ * uint32_t start_instance;
+ * };
+ * otherwise:
+ * struct {
+ * uint32_t count;
+ * uint32_t instance_count;
+ * uint32_t start;
+ * uint32_t start_instance;
+ * };
+ */
+ struct pipe_resource *indirect;
+ unsigned indirect_offset; /**< must be 4 byte aligned */
+ unsigned indirect_stride; /**< must be 4 byte aligned */
+ unsigned indirect_count; /**< number of indirect draws */
+
+ /* Indirect draw count resource: If not NULL, contains a 32-bit value which
+ * is to be used as the real indirect_count. In that case indirect_count
+ * becomes the maximum possible value.
+ */
+ struct pipe_resource *indirect_params;
+ unsigned indirect_params_offset; /**< must be 4 byte aligned */
};
/**
- * Information to describe a resource_resolve call.
+ * Information to describe a blit call.
*/
-struct pipe_resolve_info
+struct pipe_blit_info
{
struct {
- struct pipe_resource *res;
+ struct pipe_resource *resource;
unsigned level;
- unsigned layer;
- int x0; /**< always left */
- int y0; /**< always top */
- int x1; /**< determines scale if PIPE_CAP_SCALED_RESOLVE is supported */
- int y1; /**< determines scale if PIPE_CAP_SCALED_RESOLVE is supported */
- } dst;
+ struct pipe_box box; /**< negative width, height only legal for src */
+ /* For pipe_surface-like format casting: */
+ enum pipe_format format; /**< must be supported for sampling (src)
+ or rendering (dst), ZS is always supported */
+ } dst, src;
+
+ unsigned mask; /**< bitmask of PIPE_MASK_R/G/B/A/Z/S */
+ unsigned filter; /**< PIPE_TEX_FILTER_* */
+
+ boolean scissor_enable;
+ struct pipe_scissor_state scissor;
+
+ /* Window rectangles can either be inclusive or exclusive. */
+ boolean window_rectangle_include;
+ unsigned num_window_rectangles;
+ struct pipe_scissor_state window_rectangles[PIPE_MAX_WINDOW_RECTANGLES];
+
+ boolean render_condition_enable; /**< whether the blit should honor the
+ current render condition */
+ boolean alpha_blend; /* dst.rgb = src.rgb * src.a + dst.rgb * (1 - src.a) */
+};
- struct {
- struct pipe_resource *res;
- unsigned layer;
- int x0;
- int y0;
- int x1; /**< may be < x0 only if PIPE_CAP_SCALED_RESOLVE is supported */
- int y1; /**< may be < y1 even if PIPE_CAP_SCALED_RESOLVE not supported */
- } src;
+/**
+ * Information to describe a launch_grid call.
+ */
+struct pipe_grid_info
+{
+ /**
+ * For drivers that use PIPE_SHADER_IR_LLVM as their prefered IR, this value
+ * will be the index of the kernel in the opencl.kernels metadata list.
+ */
+ uint32_t pc;
- unsigned mask; /**< PIPE_MASK_RGBA, Z, S or ZS */
+ /**
+ * Will be used to initialize the INPUT resource, and it should point to a
+ * buffer of at least pipe_compute_state::req_input_mem bytes.
+ */
+ void *input;
+
+ /**
+ * Grid number of dimensions, 1-3, e.g. the work_dim parameter passed to
+ * clEnqueueNDRangeKernel. Note block[] and grid[] must be padded with
+ * 1 for non-used dimensions.
+ */
+ uint work_dim;
+
+ /**
+ * Determine the layout of the working block (in thread units) to be used.
+ */
+ uint block[3];
+
+ /**
+ * Determine the layout of the grid (in block units) to be used.
+ */
+ uint grid[3];
+
+ /* Indirect compute parameters resource: If not NULL, block sizes are taken
+ * from this buffer instead, which is laid out as follows:
+ *
+ * struct {
+ * uint32_t num_blocks_x;
+ * uint32_t num_blocks_y;
+ * uint32_t num_blocks_z;
+ * };
+ */
+ struct pipe_resource *indirect;
+ unsigned indirect_offset; /**< must be 4 byte aligned */
+};
+
+/**
+ * Structure used as a header for serialized LLVM programs.
+ */
+struct pipe_llvm_program_header
+{
+ uint32_t num_bytes; /**< Number of bytes in the LLVM bytecode program. */
};
+struct pipe_compute_state
+{
+ enum pipe_shader_ir ir_type; /**< IR type contained in prog. */
+ const void *prog; /**< Compute program to be executed. */
+ unsigned req_local_mem; /**< Required size of the LOCAL resource. */
+ unsigned req_private_mem; /**< Required size of the PRIVATE resource. */
+ unsigned req_input_mem; /**< Required size of the INPUT resource. */
+};
+
+/**
+ * Structure that contains a callback for debug messages from the driver back
+ * to the state tracker.
+ */
+struct pipe_debug_callback
+{
+ /**
+ * When set to \c true, the callback may be called asynchronously from a
+ * driver-created thread.
+ */
+ bool async;
+
+ /**
+ * Callback for the driver to report debug/performance/etc information back
+ * to the state tracker.
+ *
+ * \param data user-supplied data pointer
+ * \param id message type identifier, if pointed value is 0, then a
+ * new id is assigned
+ * \param type PIPE_DEBUG_TYPE_*
+ * \param format printf-style format string
+ * \param args args for format string
+ */
+ void (*debug_message)(void *data,
+ unsigned *id,
+ enum pipe_debug_type type,
+ const char *fmt,
+ va_list args);
+ void *data;
+};
+
+/**
+ * Structure that contains a callback for device reset messages from the driver
+ * back to the state tracker.
+ *
+ * The callback must not be called from driver-created threads.
+ */
+struct pipe_device_reset_callback
+{
+ /**
+ * Callback for the driver to report when a device reset is detected.
+ *
+ * \param data user-supplied data pointer
+ * \param status PIPE_*_RESET
+ */
+ void (*reset)(void *data, enum pipe_reset_status status);
+
+ void *data;
+};
+
+/**
+ * Information about memory usage. All sizes are in kilobytes.
+ */
+struct pipe_memory_info
+{
+ unsigned total_device_memory; /**< size of device memory, e.g. VRAM */
+ unsigned avail_device_memory; /**< free device memory at the moment */
+ unsigned total_staging_memory; /**< size of staging memory, e.g. GART */
+ unsigned avail_staging_memory; /**< free staging memory at the moment */
+ unsigned device_memory_evicted; /**< size of memory evicted (monotonic counter) */
+ unsigned nr_device_memory_evictions; /**< # of evictions (monotonic counter) */
+};
#ifdef __cplusplus
}
#endif
-
+
#endif
projects / mesa.git / blobdiff