static int
softpipe_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
{
struct softpipe_screen *sp_screen = softpipe_screen(screen);
switch(shader)
{
case PIPE_SHADER_FRAGMENT:
return tgsi_exec_get_shader_param(param);
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_GEOMETRY:
switch (param) {
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
if (sp_screen->use_llvm)
/* Softpipe doesn't yet know how to tell draw/llvm about textures */
return 0;
else
return PIPE_MAX_SAMPLERS;
default:
if (sp_screen->use_llvm)
return draw_get_shader_param(shader, param);
else
return draw_get_shader_param_no_llvm(shader, param);
}
default:
return 0;
}
}
static int
llvmpipe_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
{
switch(shader)
{
case PIPE_SHADER_FRAGMENT:
switch (param) {
default:
return gallivm_get_shader_param(param);
}
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_GEOMETRY:
switch (param) {
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
/* At this time, the draw module and llvmpipe driver only
* support vertex shader texture lookups when LLVM is enabled in
* the draw module.
*/
if (debug_get_bool_option("DRAW_USE_LLVM", TRUE))
return PIPE_MAX_SAMPLERS;
else
return 0;
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
if (debug_get_bool_option("DRAW_USE_LLVM", TRUE))
return PIPE_MAX_SHADER_SAMPLER_VIEWS;
else
return 0;
default:
return draw_get_shader_param(shader, param);
}
default:
return 0;
}
}
static int
softpipe_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
{
#ifdef HAVE_LLVM
struct softpipe_screen *sp_screen = softpipe_screen(screen);
#endif
switch(shader)
{
case PIPE_SHADER_FRAGMENT:
return tgsi_exec_get_shader_param(param);
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_GEOMETRY:
switch (param) {
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
#ifdef HAVE_LLVM
if (sp_screen->use_llvm)
/* Softpipe doesn't yet know how to tell draw/llvm about textures */
return 0;
#endif
return PIPE_MAX_VERTEX_SAMPLERS;
case PIPE_SHADER_CAP_INTEGERS:
#ifdef HAVE_LLVM /* gallivm doesn't support integers yet */
if (sp_screen->use_llvm)
return 0;
#endif
/* fallthrough */
default:
return draw_get_shader_param(shader, param);
}
default:
return 0;
}
}
static int
llvmpipe_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
{
switch(shader)
{
case PIPE_SHADER_FRAGMENT:
return tgsi_exec_get_shader_param(param);
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_GEOMETRY:
return draw_get_shader_param(shader, param);
default:
return 0;
}
}
static int
softpipe_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
{
struct softpipe_screen *sp_screen = softpipe_screen(screen);
switch(shader)
{
case PIPE_SHADER_FRAGMENT:
return tgsi_exec_get_shader_param(param);
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_GEOMETRY:
if (sp_screen->use_llvm)
return draw_get_shader_param(shader, param);
else
return draw_get_shader_param_no_llvm(shader, param);
default:
return 0;
}
}
static int
softpipe_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
{
switch(shader)
{
case PIPE_SHADER_FRAGMENT:
return tgsi_exec_get_shader_param(param);
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_GEOMETRY:
switch (param) {
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
#ifdef HAVE_LLVM
/* Softpipe doesn't yet know how to tell draw/llvm about textures */
return 0;
#else
return PIPE_MAX_VERTEX_SAMPLERS;
#endif
default:
return draw_get_shader_param(shader, param);
}
default:
return 0;
}
}
static int
i915_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap cap)
{
switch(shader) {
case PIPE_SHADER_VERTEX:
switch (cap) {
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
if (debug_get_bool_option("DRAW_USE_LLVM", TRUE))
return PIPE_MAX_SAMPLERS;
else
return 0;
default:
return draw_get_shader_param(shader, cap);
}
case PIPE_SHADER_FRAGMENT:
/* XXX: some of these are just shader model 2.0 values, fix this! */
switch(cap) {
case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
return I915_MAX_ALU_INSN + I915_MAX_TEX_INSN;
case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
return I915_MAX_ALU_INSN;
case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
return I915_MAX_TEX_INSN;
case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
return 8;
case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
return 0;
case PIPE_SHADER_CAP_MAX_INPUTS:
return 10;
case PIPE_SHADER_CAP_MAX_OUTPUTS:
return 1;
case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
return 32 * sizeof(float[4]);
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
return 1;
case PIPE_SHADER_CAP_MAX_TEMPS:
return 12; /* XXX: 12 -> 32 ? */
case PIPE_SHADER_CAP_MAX_PREDS:
return 0;
case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
return 0;
case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
return 1;
case PIPE_SHADER_CAP_SUBROUTINES:
return 0;
case PIPE_SHADER_CAP_INTEGERS:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
return I915_TEX_UNITS;
case PIPE_SHADER_CAP_DOUBLES:
case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
return 0;
case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
return 32;
default:
debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap);
return 0;
}
break;
default:
return 0;
}
}
static int r300_get_shader_param(struct pipe_screen *pscreen, unsigned shader, enum pipe_shader_cap param)
{
struct r300_screen* r300screen = r300_screen(pscreen);
boolean is_r400 = r300screen->caps.is_r400;
boolean is_r500 = r300screen->caps.is_r500;
switch (shader) {
case PIPE_SHADER_FRAGMENT:
switch (param)
{
case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
return is_r500 || is_r400 ? 512 : 96;
case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
return is_r500 || is_r400 ? 512 : 64;
case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
return is_r500 || is_r400 ? 512 : 32;
case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
return is_r500 ? 511 : 4;
case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
return is_r500 ? 64 : 0; /* Actually unlimited on r500. */
/* Fragment shader limits. */
case PIPE_SHADER_CAP_MAX_INPUTS:
/* 2 colors + 8 texcoords are always supported
* (minus fog and wpos).
*
* R500 has the ability to turn 3rd and 4th color into
* additional texcoords but there is no two-sided color
* selection then. However the facing bit can be used instead. */
return 10;
case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
return (is_r500 ? 256 : 32) * sizeof(float[4]);
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
return 1;
case PIPE_SHADER_CAP_MAX_TEMPS:
return is_r500 ? 128 : is_r400 ? 64 : 32;
case PIPE_SHADER_CAP_MAX_PREDS:
return is_r500 ? 1 : 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
return r300screen->caps.num_tex_units;
case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
case PIPE_SHADER_CAP_SUBROUTINES:
case PIPE_SHADER_CAP_INTEGERS:
case PIPE_SHADER_CAP_DOUBLES:
return 0;
case PIPE_SHADER_CAP_PREFERRED_IR:
return PIPE_SHADER_IR_TGSI;
}
break;
case PIPE_SHADER_VERTEX:
switch (param)
{
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
case PIPE_SHADER_CAP_SUBROUTINES:
return 0;
default:;
}
if (!r300screen->caps.has_tcl) {
return draw_get_shader_param(shader, param);
}
switch (param)
{
case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
return is_r500 ? 1024 : 256;
case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
return is_r500 ? 4 : 0; /* For loops; not sure about conditionals. */
case PIPE_SHADER_CAP_MAX_INPUTS:
return 16;
case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
return 256 * sizeof(float[4]);
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
return 1;
case PIPE_SHADER_CAP_MAX_TEMPS:
return 32;
case PIPE_SHADER_CAP_MAX_PREDS:
return is_r500 ? 4 : 0; /* XXX guessed. */
case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
return 1;
case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
case PIPE_SHADER_CAP_SUBROUTINES:
case PIPE_SHADER_CAP_INTEGERS:
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
case PIPE_SHADER_CAP_DOUBLES:
return 0;
case PIPE_SHADER_CAP_PREFERRED_IR:
return PIPE_SHADER_IR_TGSI;
}
break;
}
return 0;
}