/**
* 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;
GLboolean specular = (ctx->Fog.ColorSumEnabled ||
(ctx->Light.Enabled &&
ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR));
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
|| ctx->FragmentProgram._Current
|| swrast->_FogEnabled
|| specular) {
USE(general_line);
}
else if (ctx->Depth.Test
|| ctx->Line.Width != 1.0
|| ctx->Line.StippleFlag) {
/* no texture, but Z, fog, width>1, stipple, etc. */
if (rgbmode)
#if CHAN_BITS == 32
USE(general_line);
#else
USE(rgba_line);
#endif
else
USE(ci_line);
}
else {
/*
* 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);*/
}
/**
* 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( struct gl_context *ctx )
{
SWcontext *swrast = SWRAST_CONTEXT(ctx);
GLboolean specular = (ctx->Fog.ColorSumEnabled ||
(ctx->Light.Enabled &&
ctx->Light.Model.ColorControl == GL_SEPARATE_SPECULAR_COLOR));
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
|| ctx->FragmentProgram._Current
|| swrast->_FogEnabled
|| specular) {
USE(general_line);
}
else if (ctx->Depth.Test
|| ctx->Line.Width != 1.0
|| ctx->Line.StippleFlag) {
/* no texture, but Z, fog, width>1, stipple, etc. */
#if CHAN_BITS == 32
USE(general_line);
#else
USE(rgba_line);
#endif
}
else {
ASSERT(!ctx->Depth.Test);
ASSERT(ctx->Line.Width == 1.0);
/* simple lines */
USE(simple_no_z_rgba_line);
}
}
else if (ctx->RenderMode == GL_FEEDBACK) {
USE(_swrast_feedback_line);
}
else {
ASSERT(ctx->RenderMode == GL_SELECT);
USE(_swrast_select_line);
}
}
