X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fgallium%2Fdrivers%2Fcell%2Fspu%2Fspu_main.h;h=eff43b870cada17e457acb8b609a7e9a33078c6b;hb=295d6f8e8f03192320aa8d4ed767427dd06071a5;hp=d14f1abbe7405392f8430371dc0cdcb4d20c9adb;hpb=68ef52886263690632552ae187a4673945c2ab74;p=mesa.git

diff --git a/src/gallium/drivers/cell/spu/spu_main.h b/src/gallium/drivers/cell/spu/spu_main.h
index d14f1abbe74..eff43b870ca 100644
--- a/src/gallium/drivers/cell/spu/spu_main.h
+++ b/src/gallium/drivers/cell/spu/spu_main.h
@@ -41,6 +41,13 @@
 #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];
@@ -56,7 +63,35 @@ typedef union {
 #define TILE_STATUS_GETTING 5  /**< mfc_get() called but not yet arrived */
 
 
-struct spu_framebuffer {
+/** 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]);
+
+
+/** 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);
+
+/** Function for running fragment program */
+typedef void (*spu_fragment_program_func)(vector float *inputs,
+                                          vector float *outputs,
+                                          vector float *constants);
+
+
+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;
@@ -68,32 +103,60 @@ struct spu_framebuffer {
    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;
-   struct pipe_blend_state blend_stencil;
-   struct pipe_depth_stencil_alpha_state depth_stencil;
+   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;
 
@@ -101,14 +164,23 @@ struct spu_global
    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) */
+   /** 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;
 
@@ -130,7 +202,6 @@ extern boolean Debug;
 #define TAG_INDEX_BUFFER      16
 #define TAG_BATCH_BUFFER      17
 #define TAG_MISC              18
-#define TAG_TEXTURE_TILE      19
 #define TAG_DCACHE0           20
 #define TAG_DCACHE1           21
 #define TAG_DCACHE2           22