static void
update_separate_specular(GLcontext *ctx)
{
if (NEED_SECONDARY_COLOR(ctx))
ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
else
ctx->_TriangleCaps &= ~DD_SEPARATE_SPECULAR;
}
static void sis6326UpdateSpecular(GLcontext *ctx)
{
sisContextPtr smesa = SIS_CONTEXT(ctx);
__GLSiSHardware *current = &smesa->current;
if (NEED_SECONDARY_COLOR(ctx))
current->hwCapEnable |= S_ENABLE_Specular;
else
current->hwCapEnable &= ~S_ENABLE_Specular;
}
static void updateSpecularLighting( GLcontext *ctx )
{
mgaContextPtr mmesa = MGA_CONTEXT(ctx);
unsigned int specen;
specen = NEED_SECONDARY_COLOR(ctx) ? TMC_specen_enable : 0;
if ( specen != mmesa->hw.specen ) {
mmesa->hw.specen = specen;
mmesa->dirty |= MGA_UPLOAD_TEX0 | MGA_UPLOAD_TEX1;
}
}
static void update_specular( GLcontext *ctx )
{
i830ContextPtr i830 = I830_CONTEXT( ctx );
I830_STATECHANGE(i830, I830_UPLOAD_CTX);
i830->state.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_SPEC_ADD_MASK;
if (NEED_SECONDARY_COLOR(ctx))
i830->state.Ctx[I830_CTXREG_ENABLES_1] |= ENABLE_SPEC_ADD;
else
i830->state.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_SPEC_ADD;
}
static void
update_specular(struct gl_context * ctx)
{
struct i830_context *i830 = i830_context(ctx);
I830_STATECHANGE(i830, I830_UPLOAD_CTX);
i830->state.Ctx[I830_CTXREG_ENABLES_1] &= ~ENABLE_SPEC_ADD_MASK;
if (NEED_SECONDARY_COLOR(ctx))
i830->state.Ctx[I830_CTXREG_ENABLES_1] |= ENABLE_SPEC_ADD;
else
i830->state.Ctx[I830_CTXREG_ENABLES_1] |= DISABLE_SPEC_ADD;
}
void
_tnl_InvalidateState( GLcontext *ctx, GLuint new_state )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
if (new_state & (_NEW_HINT)) {
ASSERT(tnl->AllowVertexFog || tnl->AllowPixelFog);
tnl->_DoVertexFog = (tnl->AllowVertexFog && (ctx->Hint.Fog != GL_NICEST))
|| !tnl->AllowPixelFog;
}
if (new_state & _NEW_ARRAY) {
tnl->pipeline.run_input_changes |= ctx->Array.NewState; /* overkill */
}
_ae_invalidate_state(ctx, new_state);
tnl->pipeline.run_state_changes |= new_state;
tnl->pipeline.build_state_changes |= (new_state &
tnl->pipeline.build_state_trigger);
tnl->vtx.eval.new_state |= new_state;
/* Calculate tnl->render_inputs:
*/
if (ctx->Visual.rgbMode) {
tnl->render_inputs = (_TNL_BIT_POS|
_TNL_BIT_COLOR0|
(ctx->Texture._EnabledCoordUnits << _TNL_ATTRIB_TEX0));
if (NEED_SECONDARY_COLOR(ctx))
tnl->render_inputs |= _TNL_BIT_COLOR1;
}
else {
tnl->render_inputs |= (_TNL_BIT_POS|_TNL_BIT_INDEX);
}
if (ctx->Fog.Enabled)
tnl->render_inputs |= _TNL_BIT_FOG;
if (ctx->Polygon.FrontMode != GL_FILL ||
ctx->Polygon.BackMode != GL_FILL)
tnl->render_inputs |= _TNL_BIT_EDGEFLAG;
if (ctx->RenderMode == GL_FEEDBACK)
tnl->render_inputs |= _TNL_BIT_TEX0;
if (ctx->Point._Attenuated ||
(ctx->VertexProgram._Enabled && ctx->VertexProgram.PointSizeEnabled))
tnl->render_inputs |= _TNL_BIT_POINTSIZE;
}
/*
* Determine which line drawing function to use given the current
* rendering context.
*
* Please update the summary flag _SWRAST_NEW_LINE if you add or remove
* tests to this code.
*/
void
_swrast_choose_line( GLcontext *ctx )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
const GLboolean rgbmode = ctx->Visual.rgbMode;
if (ctx->RenderMode == GL_RENDER) {
if (ctx->Line.SmoothFlag) {
/* antialiased lines */
_swrast_choose_aa_line_function(ctx);
ASSERT(swrast->Line);
}
else if (ctx->Texture._EnabledCoordUnits) {
/* textured lines */
if (ctx->Texture._EnabledCoordUnits > 0x1
|| NEED_SECONDARY_COLOR(ctx)) {
/* multi-texture and/or separate specular color */
USE(multitextured_line);
}
else {
USE(textured_line);
}
}
else if (ctx->Depth.Test || swrast->_FogEnabled || ctx->Line._Width != 1.0
|| ctx->Line.StippleFlag) {
/* no texture, but Z, fog, width>1, stipple, etc. */
if (rgbmode)
USE(general_rgba_line);
else
USE(general_ci_line);
}
else {
/* simplest lines */
if (rgbmode)
USE(simple_rgba_line);
else
USE(simple_ci_line);
}
}
else if (ctx->RenderMode == GL_FEEDBACK) {
USE(_swrast_feedback_line);
}
else {
ASSERT(ctx->RenderMode == GL_SELECT);
USE(_swrast_select_line);
}
/*_mesa_print_line_function(ctx);*/
}
/**
* Called via swrast->Point. Examine current GL state and choose a software
* point routine. Then call it.
*/
static void
_swrast_validate_point( GLcontext *ctx, const SWvertex *v0 )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
_swrast_validate_derived( ctx );
swrast->choose_point( ctx );
if (ctx->Texture._EnabledUnits == 0
&& NEED_SECONDARY_COLOR(ctx)
&& !ctx->FragmentProgram._Enabled) {
swrast->SpecPoint = swrast->Point;
swrast->Point = _swrast_add_spec_terms_point;
}
swrast->Point( ctx, v0 );
}
/**
* Called via swrast->Line. Examine current GL state and choose a software
* line routine. Then call it.
*/
static void
_swrast_validate_line( GLcontext *ctx, const SWvertex *v0, const SWvertex *v1 )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
_swrast_validate_derived( ctx );
swrast->choose_line( ctx );
ASSERT(swrast->Line);
if (ctx->Texture._EnabledUnits == 0
&& NEED_SECONDARY_COLOR(ctx)
&& !ctx->FragmentProgram._Current) {
swrast->SpecLine = swrast->Line;
swrast->Line = _swrast_add_spec_terms_line;
}
swrast->Line( ctx, v0, v1 );
}
/*
* Examine GL state and set swrast->Triangle to an
* appropriate antialiased triangle rasterizer function.
*/
void
_swrast_set_aa_triangle_function(GLcontext *ctx)
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
ASSERT(ctx->Polygon.SmoothFlag);
if (ctx->Texture._EnabledCoordUnits != 0
|| ctx->FragmentProgram._Current
|| swrast->_FogEnabled
|| NEED_SECONDARY_COLOR(ctx)) {
SWRAST_CONTEXT(ctx)->Triangle = general_aa_tri;
}
else {
SWRAST_CONTEXT(ctx)->Triangle = rgba_aa_tri;
}
ASSERT(SWRAST_CONTEXT(ctx)->Triangle);
}
/**
* Stub for swrast->Triangle to select a true triangle function
* after a state change.
*/
static void
_swrast_validate_triangle( GLcontext *ctx,
const SWvertex *v0,
const SWvertex *v1,
const SWvertex *v2 )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
_swrast_validate_derived( ctx );
swrast->choose_triangle( ctx );
if (ctx->Texture._EnabledUnits == 0
&& NEED_SECONDARY_COLOR(ctx)
&& !ctx->FragmentProgram._Enabled) {
/* separate specular color, but no texture */
swrast->SpecTriangle = swrast->Triangle;
swrast->Triangle = _swrast_add_spec_terms_triangle;
}
swrast->Triangle( ctx, v0, v1, v2 );
}
static void
update_tricaps(GLcontext *ctx, GLbitfield new_state)
{
ctx->_TriangleCaps = 0;
/*
* Points
*/
if (1/*new_state & _NEW_POINT*/) {
if (ctx->Point.SmoothFlag)
ctx->_TriangleCaps |= DD_POINT_SMOOTH;
if (ctx->Point.Size != 1.0F)
ctx->_TriangleCaps |= DD_POINT_SIZE;
if (ctx->Point._Attenuated)
ctx->_TriangleCaps |= DD_POINT_ATTEN;
}
/*
* Lines
*/
if (1/*new_state & _NEW_LINE*/) {
if (ctx->Line.SmoothFlag)
ctx->_TriangleCaps |= DD_LINE_SMOOTH;
if (ctx->Line.StippleFlag)
ctx->_TriangleCaps |= DD_LINE_STIPPLE;
if (ctx->Line.Width != 1.0)
ctx->_TriangleCaps |= DD_LINE_WIDTH;
}
/*
* Polygons
*/
if (1/*new_state & _NEW_POLYGON*/) {
if (ctx->Polygon.SmoothFlag)
ctx->_TriangleCaps |= DD_TRI_SMOOTH;
if (ctx->Polygon.StippleFlag)
ctx->_TriangleCaps |= DD_TRI_STIPPLE;
if (ctx->Polygon.FrontMode != GL_FILL
|| ctx->Polygon.BackMode != GL_FILL)
ctx->_TriangleCaps |= DD_TRI_UNFILLED;
if (ctx->Polygon.CullFlag
&& ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK)
ctx->_TriangleCaps |= DD_TRI_CULL_FRONT_BACK;
if (ctx->Polygon.OffsetPoint ||
ctx->Polygon.OffsetLine ||
ctx->Polygon.OffsetFill)
ctx->_TriangleCaps |= DD_TRI_OFFSET;
}
/*
* Lighting and shading
*/
if (ctx->Light.Enabled && ctx->Light.Model.TwoSide)
ctx->_TriangleCaps |= DD_TRI_LIGHT_TWOSIDE;
if (ctx->Light.ShadeModel == GL_FLAT)
ctx->_TriangleCaps |= DD_FLATSHADE;
if (NEED_SECONDARY_COLOR(ctx))
ctx->_TriangleCaps |= DD_SEPARATE_SPECULAR;
/*
* Stencil
*/
if (ctx->Stencil._TestTwoSide)
ctx->_TriangleCaps |= DD_TRI_TWOSTENCIL;
}
void
_tnl_InvalidateState( GLcontext *ctx, GLuint new_state )
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
const struct gl_vertex_program *vp = ctx->VertexProgram._Current;
const struct gl_fragment_program *fp = ctx->FragmentProgram._Current;
if (new_state & (_NEW_HINT | _NEW_PROGRAM)) {
ASSERT(tnl->AllowVertexFog || tnl->AllowPixelFog);
tnl->_DoVertexFog = ((tnl->AllowVertexFog && (ctx->Hint.Fog != GL_NICEST))
|| !tnl->AllowPixelFog) && !fp;
}
tnl->pipeline.new_state |= new_state;
/* Calculate tnl->render_inputs. This bitmask indicates which vertex
* attributes need to be emitted to the rasterizer.
*/
if (ctx->Visual.rgbMode) {
GLuint i;
RENDERINPUTS_ZERO( tnl->render_inputs_bitset );
RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_POS );
if (!fp || (fp->Base.InputsRead & FRAG_BIT_COL0)) {
RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR0 );
}
if (NEED_SECONDARY_COLOR(ctx))
RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR1 );
for (i = 0; i < ctx->Const.MaxTextureCoordUnits; i++) {
if (ctx->Texture._EnabledCoordUnits & (1 << i) ||
(fp && fp->Base.InputsRead & FRAG_BIT_TEX(i))) {
RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_TEX(i) );
}
}
}
else {
RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_POS );
RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_COLOR_INDEX );
}
if (ctx->Fog.Enabled) {
/* fixed-function fog */
RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_FOG );
}
else if (fp) {
if (fp->FogOption != GL_NONE || (fp->Base.InputsRead & FRAG_BIT_FOGC)) {
/* fragment program needs fog coord */
RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_FOG );
}
}
if (ctx->Polygon.FrontMode != GL_FILL ||
ctx->Polygon.BackMode != GL_FILL)
RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_EDGEFLAG );
if (ctx->RenderMode == GL_FEEDBACK)
RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_TEX0 );
if (ctx->Point._Attenuated ||
(ctx->VertexProgram._Enabled && ctx->VertexProgram.PointSizeEnabled))
RENDERINPUTS_SET( tnl->render_inputs_bitset, _TNL_ATTRIB_POINTSIZE );
/* check for varying vars which are written by the vertex program */
if (vp) {
GLuint i;
for (i = 0; i < MAX_VARYING; i++) {
if (vp->Base.OutputsWritten & BITFIELD64_BIT(VERT_RESULT_VAR0 + i)) {
RENDERINPUTS_SET(tnl->render_inputs_bitset,
_TNL_ATTRIB_GENERIC(i));
}
}
}
}
/*
* Render a bitmap.
*/
static GLboolean
do_blit_bitmap( GLcontext *ctx,
GLint dstx, GLint dsty,
GLsizei width, GLsizei height,
const struct gl_pixelstore_attrib *unpack,
const GLubyte *bitmap )
{
struct intel_context *intel = intel_context(ctx);
struct intel_region *dst = intel_drawbuf_region(intel);
GLfloat tmpColor[4];
GLubyte ubcolor[4];
GLuint color8888, color565;
if (!dst)
return GL_FALSE;
if (unpack->BufferObj->Name) {
bitmap = map_pbo(ctx, width, height, unpack, bitmap);
if (bitmap == NULL)
return GL_TRUE; /* even though this is an error, we're done */
}
COPY_4V(tmpColor, ctx->Current.RasterColor);
if (NEED_SECONDARY_COLOR(ctx)) {
ADD_3V(tmpColor, tmpColor, ctx->Current.RasterSecondaryColor);
}
UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[0], tmpColor[0]);
UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[1], tmpColor[1]);
UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[2], tmpColor[2]);
UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[3], tmpColor[3]);
color8888 = INTEL_PACKCOLOR8888(ubcolor[0], ubcolor[1], ubcolor[2], ubcolor[3]);
color565 = INTEL_PACKCOLOR565(ubcolor[0], ubcolor[1], ubcolor[2]);
/* Does zoom apply to bitmaps?
*/
if (!intel_check_blit_fragment_ops(ctx) ||
ctx->Pixel.ZoomX != 1.0F ||
ctx->Pixel.ZoomY != 1.0F)
return GL_FALSE;
LOCK_HARDWARE(intel);
if (intel->driDrawable->numClipRects) {
__DRIdrawablePrivate *dPriv = intel->driDrawable;
drm_clip_rect_t *box = dPriv->pClipRects;
drm_clip_rect_t dest_rect;
GLint nbox = dPriv->numClipRects;
GLint srcx = 0, srcy = 0;
GLint orig_screen_x1, orig_screen_y2;
GLuint i;
orig_screen_x1 = dPriv->x + dstx;
orig_screen_y2 = dPriv->y + (dPriv->h - dsty);
/* Do scissoring in GL coordinates:
*/
if (ctx->Scissor.Enabled)
{
GLint x = ctx->Scissor.X;
GLint y = ctx->Scissor.Y;
GLuint w = ctx->Scissor.Width;
GLuint h = ctx->Scissor.Height;
if (!_mesa_clip_to_region(x, y, x+w-1, y+h-1, &dstx, &dsty, &width, &height))
goto out;
}
/* Convert from GL to hardware coordinates:
*/
dsty = dPriv->y + (dPriv->h - dsty - height);
dstx = dPriv->x + dstx;
dest_rect.x1 = dstx < 0 ? 0 : dstx;
dest_rect.y1 = dsty < 0 ? 0 : dsty;
dest_rect.x2 = dstx + width < 0 ? 0 : dstx + width;
dest_rect.y2 = dsty + height < 0 ? 0 : dsty + height;
for (i = 0; i < nbox; i++) {
drm_clip_rect_t rect;
int box_w, box_h;
GLint px, py;
GLuint stipple[32];
if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i]))
continue;
/* Now go back to GL coordinates to figure out what subset of
* the bitmap we are uploading for this cliprect:
*/
box_w = rect.x2 - rect.x1;
box_h = rect.y2 - rect.y1;
srcx = rect.x1 - orig_screen_x1;
srcy = orig_screen_y2 - rect.y2;
#define DY 32
#define DX 32
/* Then, finally, chop it all into chunks that can be
* digested by hardware:
*/
for (py = 0; py < box_h; py += DY) {
for (px = 0; px < box_w; px += DX) {
int h = MIN2(DY, box_h - py);
int w = MIN2(DX, box_w - px);
GLuint sz = ALIGN(ALIGN(w,8) * h, 64)/8;
GLenum logic_op = ctx->Color.ColorLogicOpEnabled ?
ctx->Color.LogicOp : GL_COPY;
assert(sz <= sizeof(stipple));
memset(stipple, 0, sz);
/* May need to adjust this when padding has been introduced in
* sz above:
*/
if (get_bitmap_rect(width, height, unpack,
bitmap,
srcx + px, srcy + py, w, h,
(GLubyte *)stipple,
8,
GL_TRUE) == 0)
continue;
/*
*/
intelEmitImmediateColorExpandBlit( intel,
dst->cpp,
(GLubyte *)stipple,
sz,
(dst->cpp == 2) ? color565 : color8888,
dst->pitch,
dst->buffer,
0,
dst->tiled,
rect.x1 + px,
rect.y2 - (py + h),
w, h,
logic_op);
}
}
}
intel->need_flush = GL_TRUE;
out:
intel_batchbuffer_flush(intel->batch);
}
UNLOCK_HARDWARE(intel);
if (unpack->BufferObj->Name) {
/* done with PBO so unmap it now */
ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
unpack->BufferObj);
}
return GL_TRUE;
}
