diff options
Diffstat (limited to 'src/mesa/pipe/llvm/llvm_builtins.c')
| -rw-r--r-- | src/mesa/pipe/llvm/llvm_builtins.c | 115 |
1 files changed, 91 insertions, 24 deletions
diff --git a/src/mesa/pipe/llvm/llvm_builtins.c b/src/mesa/pipe/llvm/llvm_builtins.c index 0f0efeb303..c7a9ea0d5a 100644 --- a/src/mesa/pipe/llvm/llvm_builtins.c +++ b/src/mesa/pipe/llvm/llvm_builtins.c @@ -1,20 +1,29 @@ +/* clang --emit-llvm llvm_builtins.c |llvm-as |opt -std-compile-opts |llvm-dis */ +/* clang --emit-llvm llvm_builtins.c |llvm-as |opt -std-compile-opts |llvm2cpp -for=Shader -gen-module -funcname=createBaseShader */ +typedef __attribute__(( ocu_vector_type(4) )) float float4; +#if 0 +//clang doesn't suppoer "struct->member" notation yet +struct vertex_header { + unsigned clipmask:12; + unsigned edgeflag:1; + unsigned pad:3; + unsigned vertex_id:16; -inline float4 compute_clip(float4 vec, float4 scale, float4 trans) -{ - return vec*scale + trans; -} + float clip[4]; + float data[][4]; +}; inline float -dot4(const float4 a, const float4 b) +dot4(float4 a, float4 b) { float4 c = a*b; return c.x + c.y + c.z + c.w; } inline unsigned -compute_clipmask(float4 clip, const float4 (*plane), unsigned nr) +compute_clipmask(float4 clip, float4 (*plane), unsigned nr) { unsigned mask = 0; unsigned i; @@ -29,7 +38,8 @@ compute_clipmask(float4 clip, const float4 (*plane), unsigned nr) inline void collect_results(float4 *results, struct vertex_header *vOut, float4 *planes, int nr_planes, - float4 scale, float4 trans) + float4 scale, float4 trans, + int num_attribs) { /* store results */ unsigned slot; @@ -38,13 +48,14 @@ inline void collect_results(float4 *results, struct vertex_header *vOut, /* Handle attr[0] (position) specially: */ float4 res0 = results[0]; - x = vOut->clip[0] = clip.x; - y = vOut->clip[1] = clip.y; - z = vOut->clip[2] = clip.z; - w = vOut->clip[3] = clip.w; + float *clip = vOut->clip; + x = clip[0] = res0.x; + y = clip[1] = res0.y; + z = clip[2] = res0.z; + w = clip[3] = res0.w; - vOut[i]->clipmask = compute_clipmask(res0, planes, nr_planes); - vOut[i]->edgeflag = 1; + vOut->clipmask = compute_clipmask(res0, planes, nr_planes); + vOut->edgeflag = 1; /* divide by w */ w = 1.0f / w; @@ -54,10 +65,10 @@ inline void collect_results(float4 *results, struct vertex_header *vOut, res0.x = x; res0.y = y; res0.z = z; res0.w = 1; /* Viewport mapping */ - res = res * scale + trans; - vOut->data[0][0] = res.x; - vOut->data[0][1] = res.y; - vOut->data[0][2] = res.z; + res0 = res0 * scale + trans; + vOut->data[0][0] = res0.x; + vOut->data[0][1] = res0.y; + vOut->data[0][2] = res0.z; vOut->data[0][3] = w; /* Remaining attributes are packed into sequential post-transform @@ -65,7 +76,7 @@ inline void collect_results(float4 *results, struct vertex_header *vOut, * Skip 0 since we just did it above. * Subtract two because of the VERTEX_HEADER, CLIP_POS attribs. */ - for (slot = 1; slot < draw->vertex_info.num_attribs - 2; slot++) { + for (slot = 1; slot < num_attribs - 2; slot++) { float4 vec = results[slot]; vOut->data[slot][0] = vec.x; vOut->data[slot][1] = vec.y; @@ -79,12 +90,68 @@ inline void collect_results(float4 *results, struct vertex_header *vOut, vOut->data[slot][3]); } } +#endif -void run_vertex_shader(float ainputs[VS_QUEUE_LENGTH][PIPE_MAX_SHADER_INPUTS][4], - struct vertex_header *dests[VS_QUEUE_LENGTH], - float *aconsts[4] - int count) +void from_array(float4 (*res)[32], float (*ainputs)[32][4], + int count, int num_attribs) { - float4 inputs[VS_QUEUE_LENGTH][PIPE_MAX_SHADER_INPUTS]; - float4 *consts; + for (int i = 0; i < count; ++i) { + for (int j = 0; j < num_attribs; ++j) { + float4 vec; + vec.x = ainputs[i][j][0]; + vec.y = ainputs[i][j][1]; + vec.z = ainputs[i][j][2]; + vec.w = ainputs[i][j][3]; + res[i][j] = vec; + } + } +} + +void from_consts(float4 *res, float (*ainputs)[4], + int count) +{ + for (int i = 0; i < count; ++i) { + float4 vec; + vec.x = ainputs[i][0]; + vec.y = ainputs[i][1]; + vec.z = ainputs[i][2]; + vec.w = ainputs[i][3]; + res[i] = vec; + } +} + +void to_array(float (*dests)[4], float4 *in, int num_attribs) +{ + for (int i = 0; i < num_attribs; ++i) { + float *rd = dests[i]; + float4 ri = in[i]; + rd[0] = ri.x; + rd[1] = ri.y; + rd[2] = ri.z; + rd[3] = ri.w; + } +} + +extern void execute_shader(float4 *dests, float4 *inputs, + float4 *consts); + +void run_vertex_shader(float (*ainputs)[32][4], + float (*dests)[32][4], + float (*aconsts)[4], + int count, + int num_attribs) +{ + float4 inputs[16*32*4][32]; + float4 consts[32]; + float4 results[16*32*4][32]; + + printf("XXXXXXXXXXX run_vertex_shader\n"); + from_array(inputs, ainputs, count, num_attribs); + from_consts(consts, aconsts, 32); + for (int i = 0; i < count; ++i) { + float4 *in = inputs[i]; + float4 *res = results[i]; + to_array(dests[i], results[i], num_attribs); + execute_shader(res, in, consts); + } } |