Module: Mesa Branch: master Commit: 929ad43b11cfc24f3e27bc1da2523b7fc142917f URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=929ad43b11cfc24f3e27bc1da2523b7fc142917f
Author: Marek Olšák <[email protected]> Date: Mon Sep 5 03:32:12 2011 +0200 r600g: add support for shadow array samplers I had to guess & verify how some of the SAMPLE instructions work. --- src/gallium/drivers/r600/r600_shader.c | 36 +++++++++++++++++++++++----- src/gallium/drivers/r600/r600d.h | 40 ++++++++++++++++++++++--------- 2 files changed, 57 insertions(+), 19 deletions(-) diff --git a/src/gallium/drivers/r600/r600_shader.c b/src/gallium/drivers/r600/r600_shader.c index 9073cbf..1723080 100644 --- a/src/gallium/drivers/r600/r600_shader.c +++ b/src/gallium/drivers/r600/r600_shader.c @@ -2177,7 +2177,10 @@ static int tgsi_tex(struct r600_shader_ctx *ctx) } opcode = ctx->inst_info->r600_opcode; - if (inst->Texture.Texture == TGSI_TEXTURE_SHADOW1D || inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D) { + if (inst->Texture.Texture == TGSI_TEXTURE_SHADOW1D || + inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D || + inst->Texture.Texture == TGSI_TEXTURE_SHADOW1D_ARRAY || + inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D_ARRAY) { switch (opcode) { case SQ_TEX_INST_SAMPLE: opcode = SQ_TEX_INST_SAMPLE_C; @@ -2232,14 +2235,33 @@ static int tgsi_tex(struct r600_shader_ctx *ctx) tex.offset_x = offset_x; tex.offset_y = offset_y; tex.offset_z = offset_z; - if (inst->Texture.Texture == TGSI_TEXTURE_1D_ARRAY) { - tex.coord_type_z = 0; - tex.src_sel_z = tex.src_sel_y; - } else if (inst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY) - tex.coord_type_z = 0; - if (inst->Texture.Texture == TGSI_TEXTURE_SHADOW1D || inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D) + /* Put the depth for comparison in W. + * TGSI_TEXTURE_SHADOW2D_ARRAY already has the depth in W. + * Some instructions expect the depth in Z. */ + if ((inst->Texture.Texture == TGSI_TEXTURE_SHADOW1D || + inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D || + inst->Texture.Texture == TGSI_TEXTURE_SHADOW1D_ARRAY) && + opcode != SQ_TEX_INST_SAMPLE_C_L && + opcode != SQ_TEX_INST_SAMPLE_C_LB) { tex.src_sel_w = tex.src_sel_z; + } + + if (inst->Texture.Texture == TGSI_TEXTURE_1D_ARRAY || + inst->Texture.Texture == TGSI_TEXTURE_SHADOW1D_ARRAY) { + if (opcode == SQ_TEX_INST_SAMPLE_C_L || + opcode == SQ_TEX_INST_SAMPLE_C_LB) { + /* the array index is read from Y */ + tex.coord_type_y = 0; + } else { + /* the array index is read from Z */ + tex.coord_type_z = 0; + tex.src_sel_z = tex.src_sel_y; + } + } else if (inst->Texture.Texture == TGSI_TEXTURE_2D_ARRAY || + inst->Texture.Texture == TGSI_TEXTURE_SHADOW2D_ARRAY) + /* the array index is read from Z */ + tex.coord_type_z = 0; r = r600_bytecode_add_tex(ctx->bc, &tex); if (r) diff --git a/src/gallium/drivers/r600/r600d.h b/src/gallium/drivers/r600/r600d.h index 459aef6..6eb44d9 100644 --- a/src/gallium/drivers/r600/r600d.h +++ b/src/gallium/drivers/r600/r600d.h @@ -3519,18 +3519,34 @@ #define R_03E200_SQ_LOOP_CONST_0 0x3E200 -#define SQ_TEX_INST_LD 0x03 -#define SQ_TEX_INST_GET_TEXTURE_RESINFO 0x04 -#define SQ_TEX_INST_GET_GRADIENTS_H 0x7 -#define SQ_TEX_INST_GET_GRADIENTS_V 0x8 -#define SQ_TEX_INST_SET_GRADIENTS_H 0xB -#define SQ_TEX_INST_SET_GRADIENTS_V 0xC +#define SQ_TEX_INST_LD 0x03 +#define SQ_TEX_INST_GET_TEXTURE_RESINFO 0x04 +#define SQ_TEX_INST_GET_BORDER_COLOR_FRAC 0x05 +#define SQ_TEX_INST_GET_COMP_TEX_LOD 0x06 +#define SQ_TEX_INST_GET_GRADIENTS_H 0x07 +#define SQ_TEX_INST_GET_GRADIENTS_V 0x08 +#define SQ_TEX_INST_GET_LERP_FACTORS 0x09 +#define SQ_TEX_INST_GET_WEIGHTS 0x0A +#define SQ_TEX_INST_SET_GRADIENTS_H 0x0B +#define SQ_TEX_INST_SET_GRADIENTS_V 0x0C +#define SQ_TEX_INST_PASS 0x0D +#define SQ_TEX_INST_SET_CUBEMAP_INDEX 0x0E -#define SQ_TEX_INST_SAMPLE 0x10 -#define SQ_TEX_INST_SAMPLE_L 0x11 -#define SQ_TEX_INST_SAMPLE_G 0x14 -#define SQ_TEX_INST_SAMPLE_C 0x18 -#define SQ_TEX_INST_SAMPLE_C_L 0x19 -#define SQ_TEX_INST_SAMPLE_C_G 0x1C +#define SQ_TEX_INST_SAMPLE 0x10 +#define SQ_TEX_INST_SAMPLE_L 0x11 +#define SQ_TEX_INST_SAMPLE_LB 0x12 +#define SQ_TEX_INST_SAMPLE_LZ 0x13 +#define SQ_TEX_INST_SAMPLE_G 0x14 +#define SQ_TEX_INST_SAMPLE_G_L 0x15 +#define SQ_TEX_INST_SAMPLE_G_LB 0x16 +#define SQ_TEX_INST_SAMPLE_G_LZ 0x17 +#define SQ_TEX_INST_SAMPLE_C 0x18 /* src.xyz = texcoord, src.z = array index (if needed), src.w = depth */ +#define SQ_TEX_INST_SAMPLE_C_L 0x19 /* src.xy = texcoord, src.y = array index (if needed), src.z = depth, src.w = lod */ +#define SQ_TEX_INST_SAMPLE_C_LB 0x1A /* src.xy = texcoord, src.y = array index (if needed), src.z = depth, src.w = bias */ +#define SQ_TEX_INST_SAMPLE_C_LZ 0x1B +#define SQ_TEX_INST_SAMPLE_C_G 0x1C +#define SQ_TEX_INST_SAMPLE_C_G_L 0x1D +#define SQ_TEX_INST_SAMPLE_C_G_LB 0x1E +#define SQ_TEX_INST_SAMPLE_C_G_LZ 0x1F #endif _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
