HomogeneousPoint3fAccumulator HomogeneousPoint3fIntegralImage::getRegion(int xmin, int xmax, int ymin, int ymax) const {
HomogeneousPoint3fAccumulator pa;
if (! rows() || !cols())
return pa;
xmin = _clamp(xmin-1, 0, rows()-1);
xmax = _clamp(xmax-1, 0, rows()-1);
ymin = _clamp(ymin-1, 0, cols()-1);
ymax = _clamp(ymax-1, 0, cols()-1);
pa = coeffRef(xmax,ymax); //total
pa += coeffRef(xmin,ymin); //upper right
pa -= coeffRef(xmin, ymax); //upper rectangle
pa -= coeffRef(xmax, ymin); //rightmost rectangle
return pa;
}
static void _apply_gradient(
Combine combine,
const std::vector<Vector<T, N>>& grad0,
const std::vector<Vector<T, N>>& grad1,
const std::vector<Vector<T, N>>& grad2,
GLubyte* dp,
GLubyte* de
)
{
auto gb0 = grad0.begin(), ge0 = grad0.end();
auto gb1 = grad1.begin(), ge1 = grad1.end();
auto gb2 = grad2.begin(), ge2 = grad2.end();
for(auto gp0=gb0; gp0!=ge0; ++gp0)
for(auto gp1=gb1; gp1!=ge1; ++gp1)
for(auto gp2=gb2; gp2!=ge2; ++gp2)
{
Vector<T, N> color = combine(*gp0, *gp1, *gp2);
for(std::size_t c=0; c!=N; ++c)
{
assert(dp != de);
*dp++ = GLubyte(_clamp(color.At(c))*_cc_max());
}
}
OGLPLUS_FAKE_USE(de);
assert(dp == de);
}
fixed control_yaw(fixed psi, fixed gyr_z, fixed set_point)
{
setPoint_y = set_point;
_yaw_observer(psi, gyr_z);
integrator_y = _clamp(integrator_y + kyi*(setPoint_y - x1hat_y_k));
return ky1*setPoint_y + ky2*integrator_y + ky3*x1hat_y_k + ky4*x2hat_y_k + ky5*x3hat_y_k;
}
fixed control_roll(fixed phi, fixed gyr_y, fixed set_point, fixed pwm)
{
setPoint_r = set_point;
_roll_observer(phi, gyr_y, pwm);
integrator_r = _clamp(integrator_r + kri*(setPoint_r - x1hat_r_k));
return kr1*setPoint_r + kr2*integrator_r + kr3*x1hat_r_k + kr4*x2hat_r_k + kr5*x3hat_r_k;
//return setPoint_r - g1*x1hat_r_k - g2*x2hat_r_k - g3*x3hat_r_k;
}
fixed control_pitch(fixed theta, fixed gyr_x, fixed set_point, fixed pwm)
{
setPoint_p = set_point;
_pitch_observer(theta, gyr_x, pwm);
integrator_p = _clamp(integrator_p + kpi*(setPoint_p - x1hat_p_k));
return kp1*setPoint_p + kp2*integrator_p + kp3*x1hat_p_k + kp4*x2hat_p_k + kp5*x3hat_p_k;
//return setPoint_p - g1*x1hat_p_k - g2*x2hat_p_k - g3*x3hat_p_k;
}
fixed control_height(fixed height, fixed set_point)
{
setPoint_h = set_point;
_height_observer(height);
integrator_h = _clamp(integrator_h + khi*(setPoint_h - x1hat_h_k));
return kh1*setPoint_h + kh2*integrator_h + kh3*x1hat_h_k + kh4*x2hat_h_k + kh5*x3hat_h_k;
}
const float Himmel::setAltitude(const float altitude)
{
osg::Vec4f temp;
u_common->get(temp);
// Clamp altitude into non uniform atmosphere. (min alt is 1m)
temp[0] = _clamp(0.001f, Earth::atmosphereThicknessNonUniform(), altitude);
u_common->set(temp);
return getAltitude();
}
void game::validate(ghost_move & move) const
{
move.fix();
_clamp(move.index.x, 0, (int)_board.width());
_clamp(move.index.y, 0, (int)_board.height());
move.possible = false;
if (_board.is_valid(move.index.x, move.index.y))
{
if (_board.is_valid_tight(move.index.x, move.index.y))
{
move.possible = move.border == top ? !_board.at(move.index).top : !_board.at(move.index).left;
}
else
{
if (move.index.y == _board.height() - 1 && move.index.x != _board.width() - 1)
move.possible = move.border == top && !_board.at(move.index).top;
if (move.index.x == _board.width() - 1 && move.index.y != _board.height() - 1)
move.possible = move.border == left && !_board.at(move.index).left;
}
}
}
static void _apply_gradient(
const std::vector<Vector<T, N>>& grad0,
GLubyte* dp,
GLubyte* de
)
{
auto gb0 = grad0.begin(), ge0 = grad0.end();
for(auto gp0=gb0; gp0!=ge0; ++gp0)
{
Vector<T, N> color = *gp0;
for(std::size_t c=0; c!=N; ++c)
{
assert(dp != de);
*dp++ = GLubyte(_clamp(color.At(c))*_cc_max());
}
}
OGLPLUS_FAKE_USE(de);
assert(dp == de);
}
/**
* Query driver to get implementation limits.
* Note that we have to limit/clamp against Mesa's internal limits too.
*/
void st_init_limits(struct st_context *st)
{
struct pipe_screen *screen = st->pipe->screen;
struct gl_constants *c = &st->ctx->Const;
c->MaxTextureLevels
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS),
MAX_TEXTURE_LEVELS);
c->Max3DTextureLevels
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_3D_LEVELS),
MAX_3D_TEXTURE_LEVELS);
c->MaxCubeTextureLevels
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS),
MAX_CUBE_TEXTURE_LEVELS);
c->MaxTextureRectSize
= _min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE);
c->MaxTextureImageUnits
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS),
MAX_TEXTURE_IMAGE_UNITS);
c->MaxVertexTextureImageUnits
= _min(screen->get_param(screen, PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS),
MAX_VERTEX_TEXTURE_IMAGE_UNITS);
c->MaxTextureCoordUnits
= _min(c->MaxTextureImageUnits, MAX_TEXTURE_COORD_UNITS);
c->MaxTextureUnits = _min(c->MaxTextureImageUnits, c->MaxTextureCoordUnits);
c->MaxDrawBuffers
= _clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
1, MAX_DRAW_BUFFERS);
c->MaxLineWidth
= _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH));
c->MaxLineWidthAA
= _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH_AA));
c->MaxPointSize
= _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH));
c->MaxPointSizeAA
= _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH_AA));
c->MaxTextureMaxAnisotropy
= _maxf(2.0f, screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_ANISOTROPY));
c->MaxTextureLodBias
= screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_LOD_BIAS);
c->MaxDrawBuffers
= CLAMP(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
1, MAX_DRAW_BUFFERS);
/* Is TGSI_OPCODE_CONT supported? */
/* XXX separate query for early function return? */
st->ctx->Shader.EmitContReturn =
screen->get_param(screen, PIPE_CAP_TGSI_CONT_SUPPORTED);
}
/**
* Query driver to get implementation limits.
* Note that we have to limit/clamp against Mesa's internal limits too.
*/
void st_init_limits(struct st_context *st)
{
struct pipe_screen *screen = st->pipe->screen;
struct gl_constants *c = &st->ctx->Const;
unsigned sh;
boolean can_ubo = TRUE;
c->MaxTextureLevels
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS),
MAX_TEXTURE_LEVELS);
c->Max3DTextureLevels
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_3D_LEVELS),
MAX_3D_TEXTURE_LEVELS);
c->MaxCubeTextureLevels
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS),
MAX_CUBE_TEXTURE_LEVELS);
c->MaxTextureRectSize
= _min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE);
c->MaxArrayTextureLayers
= screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS);
/* Define max viewport size and max renderbuffer size in terms of
* max texture size (note: max tex RECT size = max tex 2D size).
* If this isn't true for some hardware we'll need new PIPE_CAP_ queries.
*/
c->MaxViewportWidth =
c->MaxViewportHeight =
c->MaxRenderbufferSize = c->MaxTextureRectSize;
c->MaxDrawBuffers = c->MaxColorAttachments =
_clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
1, MAX_DRAW_BUFFERS);
c->MaxDualSourceDrawBuffers
= _clamp(screen->get_param(screen, PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS),
0, MAX_DRAW_BUFFERS);
c->MaxLineWidth
= _maxf(1.0f, screen->get_paramf(screen,
PIPE_CAPF_MAX_LINE_WIDTH));
c->MaxLineWidthAA
= _maxf(1.0f, screen->get_paramf(screen,
PIPE_CAPF_MAX_LINE_WIDTH_AA));
c->MaxPointSize
= _maxf(1.0f, screen->get_paramf(screen,
PIPE_CAPF_MAX_POINT_WIDTH));
c->MaxPointSizeAA
= _maxf(1.0f, screen->get_paramf(screen,
PIPE_CAPF_MAX_POINT_WIDTH_AA));
/* called after _mesa_create_context/_mesa_init_point, fix default user
* settable max point size up
*/
st->ctx->Point.MaxSize = MAX2(c->MaxPointSize, c->MaxPointSizeAA);
/* these are not queryable. Note that GL basically mandates a 1.0 minimum
* for non-aa sizes, but we can go down to 0.0 for aa points.
*/
c->MinPointSize = 1.0f;
c->MinPointSizeAA = 0.0f;
c->MaxTextureMaxAnisotropy
= _maxf(2.0f, screen->get_paramf(screen,
PIPE_CAPF_MAX_TEXTURE_ANISOTROPY));
c->MaxTextureLodBias
= screen->get_paramf(screen, PIPE_CAPF_MAX_TEXTURE_LOD_BIAS);
c->QuadsFollowProvokingVertexConvention = screen->get_param(
screen, PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION);
c->MaxUniformBlockSize =
screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
PIPE_SHADER_CAP_MAX_CONSTS) * 16;
if (c->MaxUniformBlockSize < 16384) {
can_ubo = FALSE;
}
for (sh = 0; sh < PIPE_SHADER_TYPES; ++sh) {
struct gl_shader_compiler_options *options;
struct gl_program_constants *pc;
switch (sh) {
case PIPE_SHADER_FRAGMENT:
pc = &c->Program[MESA_SHADER_FRAGMENT];
options = &st->ctx->ShaderCompilerOptions[MESA_SHADER_FRAGMENT];
break;
case PIPE_SHADER_VERTEX:
pc = &c->Program[MESA_SHADER_VERTEX];
options = &st->ctx->ShaderCompilerOptions[MESA_SHADER_VERTEX];
break;
case PIPE_SHADER_GEOMETRY:
pc = &c->Program[MESA_SHADER_GEOMETRY];
options = &st->ctx->ShaderCompilerOptions[MESA_SHADER_GEOMETRY];
break;
default:
/* compute shader, etc. */
continue;
}
pc->MaxTextureImageUnits =
_min(screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS),
MAX_TEXTURE_IMAGE_UNITS);
pc->MaxInstructions = pc->MaxNativeInstructions =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS);
pc->MaxAluInstructions = pc->MaxNativeAluInstructions =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS);
pc->MaxTexInstructions = pc->MaxNativeTexInstructions =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS);
pc->MaxTexIndirections = pc->MaxNativeTexIndirections =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS);
pc->MaxAttribs = pc->MaxNativeAttribs =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INPUTS);
pc->MaxTemps = pc->MaxNativeTemps =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEMPS);
pc->MaxAddressRegs = pc->MaxNativeAddressRegs =
_min(screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_ADDRS),
MAX_PROGRAM_ADDRESS_REGS);
pc->MaxParameters = pc->MaxNativeParameters =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONSTS);
pc->MaxUniformComponents = 4 * MIN2(pc->MaxNativeParameters, MAX_UNIFORMS);
pc->MaxUniformBlocks =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONST_BUFFERS);
if (pc->MaxUniformBlocks)
pc->MaxUniformBlocks -= 1; /* The first one is for ordinary uniforms. */
pc->MaxUniformBlocks = _min(pc->MaxUniformBlocks, MAX_UNIFORM_BUFFERS);
pc->MaxCombinedUniformComponents = (pc->MaxUniformComponents +
c->MaxUniformBlockSize / 4 *
pc->MaxUniformBlocks);
/* Gallium doesn't really care about local vs. env parameters so use the
* same limits.
*/
pc->MaxLocalParams = MIN2(pc->MaxParameters, MAX_PROGRAM_LOCAL_PARAMS);
pc->MaxEnvParams = MIN2(pc->MaxParameters, MAX_PROGRAM_ENV_PARAMS);
options->EmitNoNoise = TRUE;
/* TODO: make these more fine-grained if anyone needs it */
options->MaxIfDepth = screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
options->EmitNoLoops = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
options->EmitNoFunctions = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES);
options->EmitNoMainReturn = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES);
options->EmitNoCont = !screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED);
options->EmitNoIndirectInput = !screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR);
options->EmitNoIndirectOutput = !screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR);
options->EmitNoIndirectTemp = !screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR);
options->EmitNoIndirectUniform = !screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_INDIRECT_CONST_ADDR);
if (pc->MaxNativeInstructions &&
(options->EmitNoIndirectUniform || pc->MaxUniformBlocks < 12)) {
can_ubo = FALSE;
}
if (options->EmitNoLoops)
options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536);
else
options->MaxUnrollIterations = 255; /* SM3 limit */
options->LowerClipDistance = true;
}
c->MaxCombinedTextureImageUnits =
_min(c->Program[MESA_SHADER_VERTEX].MaxTextureImageUnits +
c->Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits +
c->Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits,
MAX_COMBINED_TEXTURE_IMAGE_UNITS);
/* This depends on program constants. */
c->MaxTextureCoordUnits
= _min(c->Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits, MAX_TEXTURE_COORD_UNITS);
c->MaxTextureUnits = _min(c->Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits, c->MaxTextureCoordUnits);
c->Program[MESA_SHADER_VERTEX].MaxAttribs = MIN2(c->Program[MESA_SHADER_VERTEX].MaxAttribs, 16);
/* PIPE_SHADER_CAP_MAX_INPUTS for the FS specifies the maximum number
* of inputs. It's always 2 colors + N generic inputs. */
c->MaxVarying = screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
PIPE_SHADER_CAP_MAX_INPUTS);
c->MaxVarying = MIN2(c->MaxVarying, MAX_VARYING);
c->Program[MESA_SHADER_FRAGMENT].MaxInputComponents = c->MaxVarying * 4;
c->Program[MESA_SHADER_VERTEX].MaxOutputComponents = c->MaxVarying * 4;
c->Program[MESA_SHADER_GEOMETRY].MaxInputComponents = c->MaxVarying * 4;
c->Program[MESA_SHADER_GEOMETRY].MaxOutputComponents = c->MaxVarying * 4;
c->MaxGeometryOutputVertices = screen->get_param(screen, PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES);
c->MaxGeometryTotalOutputComponents = screen->get_param(screen, PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS);
c->MinProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MIN_TEXEL_OFFSET);
c->MaxProgramTexelOffset = screen->get_param(screen, PIPE_CAP_MAX_TEXEL_OFFSET);
c->MaxProgramTextureGatherComponents = screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS);
c->UniformBooleanTrue = ~0;
c->MaxTransformFeedbackBuffers =
screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS);
c->MaxTransformFeedbackBuffers = MIN2(c->MaxTransformFeedbackBuffers, MAX_FEEDBACK_BUFFERS);
c->MaxTransformFeedbackSeparateComponents =
screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS);
c->MaxTransformFeedbackInterleavedComponents =
screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS);
c->StripTextureBorder = GL_TRUE;
c->GLSLSkipStrictMaxUniformLimitCheck =
screen->get_param(screen, PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS);
if (can_ubo) {
st->ctx->Extensions.ARB_uniform_buffer_object = GL_TRUE;
c->UniformBufferOffsetAlignment =
screen->get_param(screen, PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT);
c->MaxCombinedUniformBlocks = c->MaxUniformBufferBindings =
c->Program[MESA_SHADER_VERTEX].MaxUniformBlocks +
c->Program[MESA_SHADER_GEOMETRY].MaxUniformBlocks +
c->Program[MESA_SHADER_FRAGMENT].MaxUniformBlocks;
assert(c->MaxCombinedUniformBlocks <= MAX_COMBINED_UNIFORM_BUFFERS);
}
}
/**
* Query driver to get implementation limits.
* Note that we have to limit/clamp against Mesa's internal limits too.
*/
void st_init_limits(struct pipe_screen *screen,
struct gl_constants *c, struct gl_extensions *extensions)
{
int supported_irs;
unsigned sh;
boolean can_ubo = TRUE;
c->MaxTextureLevels
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS),
MAX_TEXTURE_LEVELS);
c->Max3DTextureLevels
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_3D_LEVELS),
MAX_3D_TEXTURE_LEVELS);
c->MaxCubeTextureLevels
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS),
MAX_CUBE_TEXTURE_LEVELS);
c->MaxTextureRectSize
= _min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE);
c->MaxArrayTextureLayers
= screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS);
/* Define max viewport size and max renderbuffer size in terms of
* max texture size (note: max tex RECT size = max tex 2D size).
* If this isn't true for some hardware we'll need new PIPE_CAP_ queries.
*/
c->MaxViewportWidth =
c->MaxViewportHeight =
c->MaxRenderbufferSize = c->MaxTextureRectSize;
c->MaxDrawBuffers = c->MaxColorAttachments =
_clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
1, MAX_DRAW_BUFFERS);
c->MaxDualSourceDrawBuffers =
_clamp(screen->get_param(screen,
PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS),
0, MAX_DRAW_BUFFERS);
c->MaxLineWidth =
_maxf(1.0f, screen->get_paramf(screen, PIPE_CAPF_MAX_LINE_WIDTH));
c->MaxLineWidthAA =
_maxf(1.0f, screen->get_paramf(screen, PIPE_CAPF_MAX_LINE_WIDTH_AA));
c->MaxPointSize =
_maxf(1.0f, screen->get_paramf(screen, PIPE_CAPF_MAX_POINT_WIDTH));
c->MaxPointSizeAA =
_maxf(1.0f, screen->get_paramf(screen, PIPE_CAPF_MAX_POINT_WIDTH_AA));
/* these are not queryable. Note that GL basically mandates a 1.0 minimum
* for non-aa sizes, but we can go down to 0.0 for aa points.
*/
c->MinPointSize = 1.0f;
c->MinPointSizeAA = 0.0f;
c->MaxTextureMaxAnisotropy =
_maxf(2.0f,
screen->get_paramf(screen, PIPE_CAPF_MAX_TEXTURE_ANISOTROPY));
c->MaxTextureLodBias =
screen->get_paramf(screen, PIPE_CAPF_MAX_TEXTURE_LOD_BIAS);
c->QuadsFollowProvokingVertexConvention =
screen->get_param(screen,
PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION);
c->MaxUniformBlockSize =
screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE);
if (c->MaxUniformBlockSize < 16384) {
can_ubo = FALSE;
}
for (sh = 0; sh < PIPE_SHADER_TYPES; ++sh) {
struct gl_shader_compiler_options *options;
struct gl_program_constants *pc;
switch (sh) {
case PIPE_SHADER_FRAGMENT:
pc = &c->Program[MESA_SHADER_FRAGMENT];
options = &c->ShaderCompilerOptions[MESA_SHADER_FRAGMENT];
break;
case PIPE_SHADER_VERTEX:
pc = &c->Program[MESA_SHADER_VERTEX];
options = &c->ShaderCompilerOptions[MESA_SHADER_VERTEX];
break;
case PIPE_SHADER_GEOMETRY:
pc = &c->Program[MESA_SHADER_GEOMETRY];
options = &c->ShaderCompilerOptions[MESA_SHADER_GEOMETRY];
break;
case PIPE_SHADER_TESS_CTRL:
pc = &c->Program[MESA_SHADER_TESS_CTRL];
options = &c->ShaderCompilerOptions[MESA_SHADER_TESS_CTRL];
break;
case PIPE_SHADER_TESS_EVAL:
pc = &c->Program[MESA_SHADER_TESS_EVAL];
options = &c->ShaderCompilerOptions[MESA_SHADER_TESS_EVAL];
break;
case PIPE_SHADER_COMPUTE:
pc = &c->Program[MESA_SHADER_COMPUTE];
options = &c->ShaderCompilerOptions[MESA_SHADER_COMPUTE];
if (!screen->get_param(screen, PIPE_CAP_COMPUTE))
continue;
supported_irs =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUPPORTED_IRS);
if (!(supported_irs & (1 << PIPE_SHADER_IR_TGSI)))
continue;
break;
default:
assert(0);
}
pc->MaxTextureImageUnits =
_min(screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS),
MAX_TEXTURE_IMAGE_UNITS);
pc->MaxInstructions =
pc->MaxNativeInstructions =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INSTRUCTIONS);
pc->MaxAluInstructions =
pc->MaxNativeAluInstructions =
screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS);
pc->MaxTexInstructions =
pc->MaxNativeTexInstructions =
screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS);
pc->MaxTexIndirections =
pc->MaxNativeTexIndirections =
screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS);
pc->MaxAttribs =
pc->MaxNativeAttribs =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INPUTS);
pc->MaxTemps =
pc->MaxNativeTemps =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_TEMPS);
pc->MaxAddressRegs =
pc->MaxNativeAddressRegs = sh == PIPE_SHADER_VERTEX ? 1 : 0;
pc->MaxParameters =
pc->MaxNativeParameters =
screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE) / sizeof(float[4]);
pc->MaxInputComponents =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_INPUTS) * 4;
pc->MaxOutputComponents =
screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_MAX_OUTPUTS) * 4;
pc->MaxUniformComponents =
4 * MIN2(pc->MaxNativeParameters, MAX_UNIFORMS);
pc->MaxUniformBlocks =
screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_MAX_CONST_BUFFERS);
if (pc->MaxUniformBlocks)
pc->MaxUniformBlocks -= 1; /* The first one is for ordinary uniforms. */
pc->MaxUniformBlocks = _min(pc->MaxUniformBlocks, MAX_UNIFORM_BUFFERS);
pc->MaxCombinedUniformComponents = (pc->MaxUniformComponents +
c->MaxUniformBlockSize / 4 *
pc->MaxUniformBlocks);
pc->MaxAtomicCounters = MAX_ATOMIC_COUNTERS;
pc->MaxAtomicBuffers = screen->get_shader_param(
screen, sh, PIPE_SHADER_CAP_MAX_SHADER_BUFFERS) / 2;
pc->MaxShaderStorageBlocks = pc->MaxAtomicBuffers;
pc->MaxImageUniforms = screen->get_shader_param(
screen, sh, PIPE_SHADER_CAP_MAX_SHADER_IMAGES);
/* Gallium doesn't really care about local vs. env parameters so use the
* same limits.
*/
pc->MaxLocalParams = MIN2(pc->MaxParameters, MAX_PROGRAM_LOCAL_PARAMS);
pc->MaxEnvParams = MIN2(pc->MaxParameters, MAX_PROGRAM_ENV_PARAMS);
if (screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_INTEGERS)) {
pc->LowInt.RangeMin = 31;
pc->LowInt.RangeMax = 30;
pc->LowInt.Precision = 0;
pc->MediumInt = pc->HighInt = pc->LowInt;
}
options->EmitNoNoise = TRUE;
/* TODO: make these more fine-grained if anyone needs it */
options->MaxIfDepth =
screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
options->EmitNoLoops =
!screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
options->EmitNoFunctions =
!screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES);
options->EmitNoMainReturn =
!screen->get_shader_param(screen, sh, PIPE_SHADER_CAP_SUBROUTINES);
options->EmitNoCont =
!screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED);
options->EmitNoIndirectInput =
!screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR);
options->EmitNoIndirectOutput =
!screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR);
options->EmitNoIndirectTemp =
!screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR);
options->EmitNoIndirectUniform =
!screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_INDIRECT_CONST_ADDR);
if (pc->MaxNativeInstructions &&
(options->EmitNoIndirectUniform || pc->MaxUniformBlocks < 12)) {
can_ubo = FALSE;
}
if (options->EmitNoLoops)
options->MaxUnrollIterations =
MIN2(screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_MAX_INSTRUCTIONS),
65536);
else
options->MaxUnrollIterations =
screen->get_shader_param(screen, sh,
PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT);
options->LowerCombinedClipCullDistance = true;
options->LowerBufferInterfaceBlocks = true;
if (sh == PIPE_SHADER_COMPUTE)
options->LowerShaderSharedVariables = true;
}
c->LowerTessLevel = true;
c->LowerCsDerivedVariables = true;
c->PrimitiveRestartForPatches =
screen->get_param(screen, PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES);
c->MaxCombinedTextureImageUnits =
_min(c->Program[MESA_SHADER_VERTEX].MaxTextureImageUnits +
c->Program[MESA_SHADER_TESS_CTRL].MaxTextureImageUnits +
c->Program[MESA_SHADER_TESS_EVAL].MaxTextureImageUnits +
c->Program[MESA_SHADER_GEOMETRY].MaxTextureImageUnits +
c->Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits +
c->Program[MESA_SHADER_COMPUTE].MaxTextureImageUnits,
MAX_COMBINED_TEXTURE_IMAGE_UNITS);
/* This depends on program constants. */
c->MaxTextureCoordUnits
= _min(c->Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits,
MAX_TEXTURE_COORD_UNITS);
c->MaxTextureUnits =
_min(c->Program[MESA_SHADER_FRAGMENT].MaxTextureImageUnits,
c->MaxTextureCoordUnits);
c->Program[MESA_SHADER_VERTEX].MaxAttribs =
MIN2(c->Program[MESA_SHADER_VERTEX].MaxAttribs, 16);
/* PIPE_SHADER_CAP_MAX_INPUTS for the FS specifies the maximum number
* of inputs. It's always 2 colors + N generic inputs. */
c->MaxVarying = screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT,
PIPE_SHADER_CAP_MAX_INPUTS);
c->MaxVarying = MIN2(c->MaxVarying, MAX_VARYING);
c->MaxGeometryOutputVertices =
screen->get_param(screen, PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES);
c->MaxGeometryTotalOutputComponents =
screen->get_param(screen, PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS);
c->MaxTessPatchComponents =
MAX2(screen->get_param(screen, PIPE_CAP_MAX_SHADER_PATCH_VARYINGS),
MAX_VARYING) * 4;
c->MinProgramTexelOffset =
screen->get_param(screen, PIPE_CAP_MIN_TEXEL_OFFSET);
c->MaxProgramTexelOffset =
screen->get_param(screen, PIPE_CAP_MAX_TEXEL_OFFSET);
c->MaxProgramTextureGatherComponents =
screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS);
c->MinProgramTextureGatherOffset =
screen->get_param(screen, PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET);
c->MaxProgramTextureGatherOffset =
screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET);
c->MaxTransformFeedbackBuffers =
screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS);
c->MaxTransformFeedbackBuffers = MIN2(c->MaxTransformFeedbackBuffers,
MAX_FEEDBACK_BUFFERS);
c->MaxTransformFeedbackSeparateComponents =
screen->get_param(screen, PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS);
c->MaxTransformFeedbackInterleavedComponents =
screen->get_param(screen,
PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS);
c->MaxVertexStreams =
MAX2(1, screen->get_param(screen, PIPE_CAP_MAX_VERTEX_STREAMS));
/* The vertex stream must fit into pipe_stream_output_info::stream */
assert(c->MaxVertexStreams <= 4);
c->MaxVertexAttribStride
= screen->get_param(screen, PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE);
c->StripTextureBorder = GL_TRUE;
c->GLSLSkipStrictMaxUniformLimitCheck =
screen->get_param(screen, PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS);
c->UniformBufferOffsetAlignment =
screen->get_param(screen, PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT);
if (can_ubo) {
extensions->ARB_uniform_buffer_object = GL_TRUE;
c->MaxCombinedUniformBlocks = c->MaxUniformBufferBindings =
c->Program[MESA_SHADER_VERTEX].MaxUniformBlocks +
c->Program[MESA_SHADER_TESS_CTRL].MaxUniformBlocks +
c->Program[MESA_SHADER_TESS_EVAL].MaxUniformBlocks +
c->Program[MESA_SHADER_GEOMETRY].MaxUniformBlocks +
c->Program[MESA_SHADER_FRAGMENT].MaxUniformBlocks +
c->Program[MESA_SHADER_COMPUTE].MaxUniformBlocks;
assert(c->MaxCombinedUniformBlocks <= MAX_COMBINED_UNIFORM_BUFFERS);
}
c->GLSLFragCoordIsSysVal =
screen->get_param(screen, PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL);
c->GLSLFrontFacingIsSysVal =
screen->get_param(screen, PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL);
c->MaxAtomicBufferBindings =
c->Program[MESA_SHADER_FRAGMENT].MaxAtomicBuffers;
c->MaxCombinedAtomicBuffers =
c->Program[MESA_SHADER_VERTEX].MaxAtomicBuffers +
c->Program[MESA_SHADER_TESS_CTRL].MaxAtomicBuffers +
c->Program[MESA_SHADER_TESS_EVAL].MaxAtomicBuffers +
c->Program[MESA_SHADER_GEOMETRY].MaxAtomicBuffers +
c->Program[MESA_SHADER_FRAGMENT].MaxAtomicBuffers;
assert(c->MaxCombinedAtomicBuffers <= MAX_COMBINED_ATOMIC_BUFFERS);
if (c->MaxCombinedAtomicBuffers > 0) {
extensions->ARB_shader_atomic_counters = GL_TRUE;
extensions->ARB_shader_atomic_counter_ops = GL_TRUE;
}
c->MaxCombinedShaderOutputResources = c->MaxDrawBuffers;
c->ShaderStorageBufferOffsetAlignment =
screen->get_param(screen, PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT);
if (c->ShaderStorageBufferOffsetAlignment) {
c->MaxCombinedShaderStorageBlocks = c->MaxShaderStorageBufferBindings =
c->MaxCombinedAtomicBuffers;
c->MaxCombinedShaderOutputResources +=
c->MaxCombinedShaderStorageBlocks;
c->MaxShaderStorageBlockSize = 1 << 27;
extensions->ARB_shader_storage_buffer_object = GL_TRUE;
}
c->MaxCombinedImageUniforms =
c->Program[MESA_SHADER_VERTEX].MaxImageUniforms +
c->Program[MESA_SHADER_TESS_CTRL].MaxImageUniforms +
c->Program[MESA_SHADER_TESS_EVAL].MaxImageUniforms +
c->Program[MESA_SHADER_GEOMETRY].MaxImageUniforms +
c->Program[MESA_SHADER_FRAGMENT].MaxImageUniforms +
c->Program[MESA_SHADER_COMPUTE].MaxImageUniforms;
c->MaxCombinedShaderOutputResources += c->MaxCombinedImageUniforms;
c->MaxImageUnits = MAX_IMAGE_UNITS;
c->MaxImageSamples = 0; /* XXX */
if (c->MaxCombinedImageUniforms) {
extensions->ARB_shader_image_load_store = GL_TRUE;
extensions->ARB_shader_image_size = GL_TRUE;
}
/* ARB_framebuffer_no_attachments */
c->MaxFramebufferWidth = c->MaxViewportWidth;
c->MaxFramebufferHeight = c->MaxViewportHeight;
/* NOTE: we cheat here a little by assuming that
* PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS has the same
* number of layers as we need, although we technically
* could have more the generality is not really useful
* in practicality.
*/
c->MaxFramebufferLayers =
screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS);
c->MaxWindowRectangles =
screen->get_param(screen, PIPE_CAP_MAX_WINDOW_RECTANGLES);
}
/**
* Query driver to get implementation limits.
* Note that we have to limit/clamp against Mesa's internal limits too.
*/
void st_init_limits(struct st_context *st)
{
struct pipe_screen *screen = st->pipe->screen;
struct gl_constants *c = &st->ctx->Const;
struct gl_program_constants *pc;
unsigned i;
c->MaxTextureLevels
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS),
MAX_TEXTURE_LEVELS);
c->Max3DTextureLevels
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_3D_LEVELS),
MAX_3D_TEXTURE_LEVELS);
c->MaxCubeTextureLevels
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS),
MAX_CUBE_TEXTURE_LEVELS);
c->MaxTextureRectSize
= _min(1 << (c->MaxTextureLevels - 1), MAX_TEXTURE_RECT_SIZE);
c->MaxTextureImageUnits
= _min(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS),
MAX_TEXTURE_IMAGE_UNITS);
c->MaxVertexTextureImageUnits
= _min(screen->get_param(screen, PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS),
MAX_VERTEX_TEXTURE_IMAGE_UNITS);
c->MaxCombinedTextureImageUnits
= _min(screen->get_param(screen, PIPE_CAP_MAX_COMBINED_SAMPLERS),
MAX_COMBINED_TEXTURE_IMAGE_UNITS);
c->MaxTextureCoordUnits
= _min(c->MaxTextureImageUnits, MAX_TEXTURE_COORD_UNITS);
c->MaxTextureUnits = _min(c->MaxTextureImageUnits, c->MaxTextureCoordUnits);
c->MaxDrawBuffers
= _clamp(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
1, MAX_DRAW_BUFFERS);
c->MaxLineWidth
= _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH));
c->MaxLineWidthAA
= _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_LINE_WIDTH_AA));
c->MaxPointSize
= _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH));
c->MaxPointSizeAA
= _maxf(1.0f, screen->get_paramf(screen, PIPE_CAP_MAX_POINT_WIDTH_AA));
/* called after _mesa_create_context/_mesa_init_point, fix default user
* settable max point size up
*/
st->ctx->Point.MaxSize = MAX2(c->MaxPointSize, c->MaxPointSizeAA);
/* these are not queryable. Note that GL basically mandates a 1.0 minimum
* for non-aa sizes, but we can go down to 0.0 for aa points.
*/
c->MinPointSize = 1.0f;
c->MinPointSizeAA = 0.0f;
c->MaxTextureMaxAnisotropy
= _maxf(2.0f, screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_ANISOTROPY));
c->MaxTextureLodBias
= screen->get_paramf(screen, PIPE_CAP_MAX_TEXTURE_LOD_BIAS);
c->MaxDrawBuffers
= CLAMP(screen->get_param(screen, PIPE_CAP_MAX_RENDER_TARGETS),
1, MAX_DRAW_BUFFERS);
/* Quads always follow GL provoking rules. */
c->QuadsFollowProvokingVertexConvention = GL_FALSE;
for(i = 0; i < MESA_SHADER_TYPES; ++i) {
struct gl_shader_compiler_options *options = &st->ctx->ShaderCompilerOptions[i];
switch(i)
{
case PIPE_SHADER_FRAGMENT:
pc = &c->FragmentProgram;
break;
case PIPE_SHADER_VERTEX:
pc = &c->VertexProgram;
break;
case PIPE_SHADER_GEOMETRY:
pc = &c->GeometryProgram;
break;
}
pc->MaxNativeInstructions = screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_INSTRUCTIONS);
pc->MaxNativeAluInstructions = screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS);
pc->MaxNativeTexInstructions = screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS);
pc->MaxNativeTexIndirections = screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS);
pc->MaxNativeAttribs = screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_INPUTS);
pc->MaxNativeTemps = screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_TEMPS);
pc->MaxNativeAddressRegs = screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_ADDRS);
pc->MaxNativeParameters = screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_CONSTS);
options->EmitNoNoise = TRUE;
/* TODO: make these more fine-grained if anyone needs it */
options->EmitNoIfs = !screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
options->EmitNoFunctions = !screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
options->EmitNoLoops = !screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
options->EmitNoMainReturn = !screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH);
options->EmitNoCont = !screen->get_shader_param(screen, i, PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED);
if(options->EmitNoLoops)
options->MaxUnrollIterations = MIN2(screen->get_shader_param(screen, i, PIPE_SHADER_CAP_MAX_INSTRUCTIONS), 65536);
}
/* PIPE_CAP_MAX_FS_INPUTS specifies the number of COLORn + GENERICn inputs
* and is set in MaxNativeAttribs. It's always 2 colors + N generic
* attributes. The GLSL compiler never uses COLORn for varyings, so we
* subtract the 2 colors to get the maximum number of varyings (generic
* attributes) supported by a driver. */
c->MaxVarying = screen->get_shader_param(screen, PIPE_SHADER_FRAGMENT, PIPE_SHADER_CAP_MAX_INPUTS) - 2;
c->MaxVarying = MIN2(c->MaxVarying, MAX_VARYING);
/* XXX we'll need a better query here someday */
if (screen->get_param(screen, PIPE_CAP_GLSL)) {
c->GLSLVersion = 120;
}
}
