0,0 → 1,95 |
/* |
* Copyright 2008 Corbin Simpson <MostAwesomeDude@gmail.com> |
* |
* 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 without limitation |
* on the rights to use, copy, modify, merge, publish, 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 |
* THE AUTHOR(S) AND/OR THEIR 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. */ |
|
#ifndef R300_CHIPSET_H |
#define R300_CHIPSET_H |
|
#include "pipe/p_compiler.h" |
|
/* these are sizes in dwords */ |
#define R300_HIZ_LIMIT 10240 |
#define RV530_HIZ_LIMIT 15360 |
|
/* rv3xx have only one pipe */ |
#define PIPE_ZMASK_SIZE 4096 |
#define RV3xx_ZMASK_SIZE 5120 |
|
/* The size of a compressed tile. Each compressed tile takes 2 bits |
* in the ZMASK RAM, so there is always 16 tiles per one dword. */ |
enum r300_zmask_compression { |
R300_ZCOMP_4X4 = 4, |
R300_ZCOMP_8X8 = 8 |
}; |
|
/* Structure containing all the possible information about a specific Radeon |
* in the R3xx, R4xx, and R5xx families. */ |
struct r300_capabilities { |
/* Chipset family */ |
int family; |
/* The number of vertex floating-point units */ |
unsigned num_vert_fpus; |
/* The number of texture units. */ |
unsigned num_tex_units; |
/* Whether or not TCL is physically present */ |
boolean has_tcl; |
/* Some chipsets do not have HiZ RAM - other have varying amounts. */ |
int hiz_ram; |
/* Some chipsets have zmask ram per pipe some don't. */ |
int zmask_ram; |
/* CMASK is for MSAA colorbuffer compression and fast clear. */ |
boolean has_cmask; |
/* Compression mode for ZMASK. */ |
enum r300_zmask_compression z_compress; |
/* 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 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 |
* - 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; |
/* DXTC texture swizzling. */ |
boolean dxtc_swizzle; |
/* Whether R500_US_FORMAT0_0 exists (R520-only and depends on DRM). */ |
boolean has_us_format; |
}; |
|
void r300_parse_chipset(uint32_t pci_id, struct r300_capabilities* caps); |
|
#endif /* R300_CHIPSET_H */ |