unsigned num_frag_pipes;
/* The number of z pipes */
unsigned num_z_pipes;
+ /* The number of texture units. */
+ unsigned num_tex_units;
/* Whether or not TCL is physically present */
boolean has_tcl;
+ /* Whether or not this is RV350 or newer, including all r400 and r500
+ * chipsets. The differences compared to the oldest r300 chips are:
+ * - Blend LTE/GTE thresholds
+ * - Better MACRO_SWITCH in texture tiling
+ * - Half float vertex
+ * - More HyperZ optimizations */
+ boolean is_rv350;
+ /* Whether or not this is R400. The differences compared their rv350
+ * cousins are:
+ * - Extended fragment shader registers
+ * - 3DC texture compression (RGTC2) */
+ boolean is_r400;
/* Whether or not this is an RV515 or newer; R500s have many differences
- * that require extra consideration, compared to their R3xx cousins:
+ * that require extra consideration, compared to their rv350 cousins:
* - Extra bit of width and height on texture sizes
* - Blend color is split across two registers
- * - Universal Shader (US) block used for fragment shaders */
+ * - Universal Shader (US) block used for fragment shaders
+ * - FP16 blending and multisampling
+ * - Full RGTC texture compression
+ * - 24-bit depth textures
+ * - Stencil back-face reference value
+ * - Ability to render up to 2^24 - 1 vertices with signed index offset */
boolean is_r500;
/* Whether or not the second pixel pipe is accessed with the high bit */
boolean high_second_pipe;