#define MAX_HEIGHT 1024
+#define CELL_MAX_CONSTANTS 32 /**< number of float[4] constants */
+
+
+/**
+ * A tile is basically a TILE_SIZE x TILE_SIZE block of 4-byte pixels.
+ * The data may be addressed through several different types.
+ */
typedef union {
ushort us[TILE_SIZE][TILE_SIZE];
uint ui[TILE_SIZE][TILE_SIZE];
#define TILE_STATUS_GETTING 5 /**< mfc_get() called but not yet arrived */
-struct spu_frag_test_results {
- qword mask;
- qword depth;
- qword stencil;
-};
+/** Function for sampling textures */
+typedef void (*spu_sample_texture4_func)(vector float s,
+ vector float t,
+ vector float r,
+ vector float q,
+ uint unit, uint level, uint face,
+ vector float colors[4]);
-typedef struct spu_frag_test_results (*frag_test_func)(qword frag_mask,
- qword pixel_depth, qword pixel_stencil, qword frag_depth,
- qword frag_alpha, qword facing);
+/** Function for performing per-fragment ops */
+typedef void (*spu_fragment_ops_func)(uint x, uint y,
+ tile_t *colorTile,
+ tile_t *depthStencilTile,
+ vector float fragZ,
+ vector float fragRed,
+ vector float fragGreen,
+ vector float fragBlue,
+ vector float fragAlpha,
+ vector unsigned int mask,
+ uint facing);
-struct spu_blend_results {
- qword r;
- qword g;
- qword b;
- qword a;
-};
+/** Function for running fragment program */
+typedef void (*spu_fragment_program_func)(vector float *inputs,
+ vector float *outputs,
+ vector float *constants);
-typedef struct spu_blend_results (*blend_func)(
- qword frag_r, qword frag_g, qword frag_b, qword frag_a,
- qword pixel_r, qword pixel_g, qword pixel_b, qword pixel_a,
- qword const_r, qword const_g, qword const_b, qword const_a);
-typedef struct spu_blend_results (*logicop_func)(
- qword pixel_r, qword pixel_g, qword pixel_b, qword pixel_a,
- qword frag_r, qword frag_g, qword frag_b, qword frag_a,
- qword frag_mask);
-
-
-struct spu_framebuffer {
+struct spu_framebuffer
+{
void *color_start; /**< addr of color surface in main memory */
void *depth_start; /**< addr of depth surface in main memory */
enum pipe_format color_format;
uint depth_clear_value;
uint zsize; /**< 0, 2 or 4 bytes per Z */
+ float zscale; /**< 65535.0, 2^24-1 or 2^32-1 */
+} ALIGN16_ATTRIB;
+
+
+/** per-texture level info */
+struct spu_texture_level
+{
+ void *start;
+ ushort width, height, depth;
+ ushort tiles_per_row;
+ uint bytes_per_image;
+ /** texcoord scale factors */
+ vector float scale_s, scale_t, scale_r;
+ /** texcoord masks (if REPEAT then size-1, else ~0) */
+ vector signed int mask_s, mask_t, mask_r;
+ /** texcoord clamp limits */
+ vector signed int max_s, max_t, max_r;
+} ALIGN16_ATTRIB;
+
+
+struct spu_texture
+{
+ struct spu_texture_level level[CELL_MAX_TEXTURE_LEVELS];
+ uint max_level;
+ uint target; /**< PIPE_TEXTURE_x */
} ALIGN16_ATTRIB;
/**
- * All SPU global/context state will be in singleton object of this type:
+ * All SPU global/context state will be in a singleton object of this type:
*/
struct spu_global
{
+ /** One-time init/constant info */
struct cell_init_info init;
+ /*
+ * Current state
+ */
struct spu_framebuffer fb;
- boolean read_depth;
- boolean read_stencil;
- frag_test_func frag_test;
-
- boolean read_fb;
- blend_func blend;
- qword const_blend_color[4] ALIGN16_ATTRIB;
-
- logicop_func logicop;
-
+ struct pipe_depth_stencil_alpha_state depth_stencil_alpha;
+ struct pipe_blend_state blend;
struct pipe_sampler_state sampler[PIPE_MAX_SAMPLERS];
- struct cell_command_texture texture;
-
+ struct spu_texture texture[PIPE_MAX_SAMPLERS];
struct vertex_info vertex_info;
- /* XXX more state to come */
-
-
- /** current color and Z tiles */
+ /** Current color and Z tiles */
tile_t ctile ALIGN16_ATTRIB;
tile_t ztile ALIGN16_ATTRIB;
+ /** Read depth/stencil tiles? */
+ boolean read_depth;
+ boolean read_stencil;
+
/** Current tiles' status */
ubyte cur_ctile_status, cur_ztile_status;
ubyte ctile_status[MAX_HEIGHT/TILE_SIZE][MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB;
ubyte ztile_status[MAX_HEIGHT/TILE_SIZE][MAX_WIDTH/TILE_SIZE] ALIGN16_ATTRIB;
+ /** Current fragment ops machine code, at 8-byte boundary */
+ uint fragment_ops_code[SPU_MAX_FRAGMENT_OPS_INSTS] ALIGN8_ATTRIB;
+ /** Current fragment ops function */
+ spu_fragment_ops_func fragment_ops;
- /** for converting RGBA to PIPE_FORMAT_x colors */
- vector unsigned char color_shuffle;
+ /** Current fragment program machine code, at 8-byte boundary */
+ uint fragment_program_code[SPU_MAX_FRAGMENT_PROGRAM_INSTS] ALIGN8_ATTRIB;
+ /** Current fragment ops function */
+ spu_fragment_program_func fragment_program;
- vector float tex_size;
- vector unsigned int tex_size_mask; /**< == int(size - 1) */
- vector unsigned int tex_size_x_mask; /**< == int(size - 1) */
- vector unsigned int tex_size_y_mask; /**< == int(size - 1) */
+ /** Current texture sampler function */
+ spu_sample_texture4_func sample_texture4[CELL_MAX_SAMPLERS];
+ spu_sample_texture4_func min_sample_texture4[CELL_MAX_SAMPLERS];
+ spu_sample_texture4_func mag_sample_texture4[CELL_MAX_SAMPLERS];
- vector float (*sample_texture)(vector float texcoord);
+ /** Fragment program constants */
+ vector float constants[4 * CELL_MAX_CONSTANTS];
} ALIGN16_ATTRIB;
projects / mesa.git / blobdiff