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author | Zack Rusin <zack@tungstengraphics.com> | 2008-05-19 12:10:42 -0400 |
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committer | Zack Rusin <zack@tungstengraphics.com> | 2008-05-19 12:10:42 -0400 |
commit | 09900df42967a0ba61e78038304fd6c54934ad0d (patch) | |
tree | 8bf72aa313a23c8554fdda5c9381cc593132722d /src/gallium/auxiliary/gallivm/gallivm_cpu.cpp | |
parent | 1c624846a81b0218b4a07328f485e295432c6312 (diff) | |
parent | 59007a811de2d76ea00164e8f1cacb4a375d1458 (diff) |
Merge commit 'origin/gallium-0.1' into gallium-vertex-linear
Diffstat (limited to 'src/gallium/auxiliary/gallivm/gallivm_cpu.cpp')
-rw-r--r-- | src/gallium/auxiliary/gallivm/gallivm_cpu.cpp | 56 |
1 files changed, 49 insertions, 7 deletions
diff --git a/src/gallium/auxiliary/gallivm/gallivm_cpu.cpp b/src/gallium/auxiliary/gallivm/gallivm_cpu.cpp index 8f9830d0b1..857c190f7b 100644 --- a/src/gallium/auxiliary/gallivm/gallivm_cpu.cpp +++ b/src/gallium/auxiliary/gallivm/gallivm_cpu.cpp @@ -41,6 +41,7 @@ #include "pipe/p_context.h" #include "pipe/p_shader_tokens.h" +#include "pipe/p_util.h" #include "tgsi/exec/tgsi_exec.h" #include "tgsi/util/tgsi_dump.h" @@ -179,22 +180,63 @@ typedef void (*vertex_shader_runner)(void *ainputs, float (*aconsts)[4], void *temps); - +#define MAX_TGSI_VERTICES 4 /*! This function is used to execute the gallivm_prog in software. Before calling this function the gallivm_prog has to be JIT compiled with the gallivm_cpu_jit_compile function. */ int gallivm_cpu_vs_exec(struct gallivm_prog *prog, - struct tgsi_exec_vector *inputs, - struct tgsi_exec_vector *dests, - float (*consts)[4], - struct tgsi_exec_vector *temps) + struct tgsi_exec_machine *machine, + const float (*input)[4], + unsigned num_inputs, + float (*output)[4], + unsigned num_outputs, + const float (*constants)[4], + unsigned count, + unsigned input_stride, + unsigned output_stride ) { + unsigned int i, j; + unsigned slot; vertex_shader_runner runner = reinterpret_cast<vertex_shader_runner>(prog->function); + assert(runner); - /*FIXME*/ - runner(inputs, dests, consts, temps); + + for (i = 0; i < count; i += MAX_TGSI_VERTICES) { + unsigned int max_vertices = MIN2(MAX_TGSI_VERTICES, count - i); + + /* Swizzle inputs. + */ + for (j = 0; j < max_vertices; j++) { + for (slot = 0; slot < num_inputs; slot++) { + machine->Inputs[slot].xyzw[0].f[j] = input[slot][0]; + machine->Inputs[slot].xyzw[1].f[j] = input[slot][1]; + machine->Inputs[slot].xyzw[2].f[j] = input[slot][2]; + machine->Inputs[slot].xyzw[3].f[j] = input[slot][3]; + } + + input = (const float (*)[4])((const char *)input + input_stride); + } + + /* run shader */ + runner(machine->Inputs, + machine->Outputs, + (float (*)[4]) constants, + machine->Temps); + + /* Unswizzle all output results + */ + for (j = 0; j < max_vertices; j++) { + for (slot = 0; slot < num_outputs; slot++) { + output[slot][0] = machine->Outputs[slot].xyzw[0].f[j]; + output[slot][1] = machine->Outputs[slot].xyzw[1].f[j]; + output[slot][2] = machine->Outputs[slot].xyzw[2].f[j]; + output[slot][3] = machine->Outputs[slot].xyzw[3].f[j]; + } + output = (float (*)[4])((char *)output + output_stride); + } + } return 0; } |