diff options
Diffstat (limited to 'indra/llui/llui.cpp')
-rw-r--r-- | indra/llui/llui.cpp | 400 |
1 files changed, 192 insertions, 208 deletions
diff --git a/indra/llui/llui.cpp b/indra/llui/llui.cpp index 5d8b628776..7f9dca08d2 100644 --- a/indra/llui/llui.cpp +++ b/indra/llui/llui.cpp @@ -466,7 +466,7 @@ void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 border_width, S32 border gl_draw_scaled_image_with_border(x, y, width, height, image, color, solid_color, uv_rect, scale_rect); } -void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4& color, BOOL solid_color, const LLRectf& uv_outer_rect, const LLRectf& center_rect) +void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 width, S32 height, LLTexture* image, const LLColor4& color, BOOL solid_color, const LLRectf& uv_rect, const LLRectf& scale_rect) { stop_glerror(); @@ -476,53 +476,36 @@ void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 width, S32 height, LLTex return; } - // add in offset of current image to current ui translation - const LLVector3 ui_scale = gGL.getUIScale(); - const LLVector3 ui_translation = (gGL.getUITranslation() + LLVector3(x, y, 0.f)).scaledVec(ui_scale); - - F32 uv_width = uv_outer_rect.getWidth(); - F32 uv_height = uv_outer_rect.getHeight(); - // shrink scaling region to be proportional to clipped image region - LLRectf uv_center_rect( - uv_outer_rect.mLeft + (center_rect.mLeft * uv_width), - uv_outer_rect.mBottom + (center_rect.mTop * uv_height), - uv_outer_rect.mLeft + (center_rect.mRight * uv_width), - uv_outer_rect.mBottom + (center_rect.mBottom * uv_height)); - - F32 image_width = image->getWidth(0); - F32 image_height = image->getHeight(0); - - S32 image_natural_width = llround(image_width * uv_width); - S32 image_natural_height = llround(image_height * uv_height); - - LLRectf draw_center_rect( uv_center_rect.mLeft * image_width, - uv_center_rect.mTop * image_height, - uv_center_rect.mRight * image_width, - uv_center_rect.mBottom * image_height); - - { // scale fixed region of image to drawn region - draw_center_rect.mRight += width - image_natural_width; - draw_center_rect.mTop += height - image_natural_height; - - F32 border_shrink_width = llmax(0.f, draw_center_rect.mLeft - draw_center_rect.mRight); - F32 border_shrink_height = llmax(0.f, draw_center_rect.mBottom - draw_center_rect.mTop); - - F32 shrink_width_ratio = center_rect.getWidth() == 1.f ? 0.f : border_shrink_width / ((F32)image_natural_width * (1.f - center_rect.getWidth())); - F32 shrink_height_ratio = center_rect.getHeight() == 1.f ? 0.f : border_shrink_height / ((F32)image_natural_height * (1.f - center_rect.getHeight())); - - F32 shrink_scale = 1.f - llmax(shrink_width_ratio, shrink_height_ratio); - - draw_center_rect.mLeft = llround(ui_translation.mV[VX] + (F32)draw_center_rect.mLeft * shrink_scale * ui_scale.mV[VX]); - draw_center_rect.mTop = llround(ui_translation.mV[VY] + lerp((F32)height, (F32)draw_center_rect.mTop, shrink_scale) * ui_scale.mV[VY]); - draw_center_rect.mRight = llround(ui_translation.mV[VX] + lerp((F32)width, (F32)draw_center_rect.mRight, shrink_scale) * ui_scale.mV[VX]); - draw_center_rect.mBottom = llround(ui_translation.mV[VY] + (F32)draw_center_rect.mBottom * shrink_scale * ui_scale.mV[VY]); - } - - LLRectf draw_outer_rect(ui_translation.mV[VX], - ui_translation.mV[VY] + height * ui_scale.mV[VY], - ui_translation.mV[VX] + width * ui_scale.mV[VX], - ui_translation.mV[VY]); + LLRectf scale_rect_uv( + uv_rect.mLeft + (scale_rect.mLeft * uv_rect.getWidth()), + uv_rect.mBottom + (scale_rect.mTop * uv_rect.getHeight()), + uv_rect.mLeft + (scale_rect.mRight * uv_rect.getWidth()), + uv_rect.mBottom + (scale_rect.mBottom * uv_rect.getHeight())); + + S32 image_natural_width = llround((F32)image->getWidth(0) * uv_rect.getWidth()); + S32 image_natural_height = llround((F32)image->getHeight(0) * uv_rect.getHeight()); + + LLRect draw_rect(0, height, width, 0); + LLRect draw_scale_rect(llround(scale_rect_uv.mLeft * (F32)image->getWidth(0)), + llround(scale_rect_uv.mTop * (F32)image->getHeight(0)), + llround(scale_rect_uv.mRight * (F32)image->getWidth(0)), + llround(scale_rect_uv.mBottom * (F32)image->getHeight(0))); + // scale fixed region of image to drawn region + draw_scale_rect.mRight += width - image_natural_width; + draw_scale_rect.mTop += height - image_natural_height; + + S32 border_shrink_width = llmax(0, draw_scale_rect.mLeft - draw_scale_rect.mRight); + S32 border_shrink_height = llmax(0, draw_scale_rect.mBottom - draw_scale_rect.mTop); + + F32 shrink_width_ratio = scale_rect.getWidth() == 1.f ? 0.f : border_shrink_width / ((F32)image_natural_width * (1.f - scale_rect.getWidth())); + F32 shrink_height_ratio = scale_rect.getHeight() == 1.f ? 0.f : border_shrink_height / ((F32)image_natural_height * (1.f - scale_rect.getHeight())); + + F32 shrink_scale = 1.f - llmax(shrink_width_ratio, shrink_height_ratio); + draw_scale_rect.mLeft = llround((F32)draw_scale_rect.mLeft * shrink_scale); + draw_scale_rect.mTop = llround(lerp((F32)height, (F32)draw_scale_rect.mTop, shrink_scale)); + draw_scale_rect.mRight = llround(lerp((F32)width, (F32)draw_scale_rect.mRight, shrink_scale)); + draw_scale_rect.mBottom = llround((F32)draw_scale_rect.mBottom * shrink_scale); LLGLSUIDefault gls_ui; @@ -532,174 +515,136 @@ void gl_draw_scaled_image_with_border(S32 x, S32 y, S32 width, S32 height, LLTex gGL.getTexUnit(0)->setTextureAlphaBlend(LLTexUnit::TBO_MULT, LLTexUnit::TBS_TEX_ALPHA, LLTexUnit::TBS_VERT_ALPHA); } - gGL.getTexUnit(0)->bind(image); - - gGL.color4fv(color.mV); - - const S32 NUM_VERTICES = 9 * 4; // 9 quads - LLVector2 uv[NUM_VERTICES]; - LLVector3 pos[NUM_VERTICES]; - - S32 index = 0; - - gGL.begin(LLRender::QUADS); + gGL.pushUIMatrix(); { - // draw bottom left - uv[index] = LLVector2(uv_outer_rect.mLeft, uv_outer_rect.mBottom); - pos[index] = LLVector3(draw_outer_rect.mLeft, draw_outer_rect.mBottom, 0.f); - index++; + gGL.translateUI((F32)x, (F32)y, 0.f); - uv[index] = LLVector2(uv_center_rect.mLeft, uv_outer_rect.mBottom); - pos[index] = LLVector3(draw_center_rect.mLeft, draw_outer_rect.mBottom, 0.f); - index++; + gGL.getTexUnit(0)->bind(image); - uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mBottom); - pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mBottom, 0.f); - index++; + gGL.color4fv(color.mV); + + gGL.begin(LLRender::QUADS); + { + // draw bottom left + gGL.texCoord2f(uv_rect.mLeft, uv_rect.mBottom); + gGL.vertex2i(0, 0); - uv[index] = LLVector2(uv_outer_rect.mLeft, uv_center_rect.mBottom); - pos[index] = LLVector3(draw_outer_rect.mLeft, draw_center_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mLeft, uv_rect.mBottom); + gGL.vertex2i(draw_scale_rect.mLeft, 0); - // draw bottom middle - uv[index] = LLVector2(uv_center_rect.mLeft, uv_outer_rect.mBottom); - pos[index] = LLVector3(draw_center_rect.mLeft, draw_outer_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mLeft, scale_rect_uv.mBottom); + gGL.vertex2i(draw_scale_rect.mLeft, draw_scale_rect.mBottom); - uv[index] = LLVector2(uv_center_rect.mRight, uv_outer_rect.mBottom); - pos[index] = LLVector3(draw_center_rect.mRight, draw_outer_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(uv_rect.mLeft, scale_rect_uv.mBottom); + gGL.vertex2i(0, draw_scale_rect.mBottom); - uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mBottom); - pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mBottom, 0.f); - index++; + // draw bottom middle + gGL.texCoord2f(scale_rect_uv.mLeft, uv_rect.mBottom); + gGL.vertex2i(draw_scale_rect.mLeft, 0); - uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mBottom); - pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mRight, uv_rect.mBottom); + gGL.vertex2i(draw_scale_rect.mRight, 0); - // draw bottom right - uv[index] = LLVector2(uv_center_rect.mRight, uv_outer_rect.mBottom); - pos[index] = LLVector3(draw_center_rect.mRight, draw_outer_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mRight, scale_rect_uv.mBottom); + gGL.vertex2i(draw_scale_rect.mRight, draw_scale_rect.mBottom); - uv[index] = LLVector2(uv_outer_rect.mRight, uv_outer_rect.mBottom); - pos[index] = LLVector3(draw_outer_rect.mRight, draw_outer_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mLeft, scale_rect_uv.mBottom); + gGL.vertex2i(draw_scale_rect.mLeft, draw_scale_rect.mBottom); - uv[index] = LLVector2(uv_outer_rect.mRight, uv_center_rect.mBottom); - pos[index] = LLVector3(draw_outer_rect.mRight, draw_center_rect.mBottom, 0.f); - index++; + // draw bottom right + gGL.texCoord2f(scale_rect_uv.mRight, uv_rect.mBottom); + gGL.vertex2i(draw_scale_rect.mRight, 0); - uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mBottom); - pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(uv_rect.mRight, uv_rect.mBottom); + gGL.vertex2i(width, 0); - // draw left - uv[index] = LLVector2(uv_outer_rect.mLeft, uv_center_rect.mBottom); - pos[index] = LLVector3(draw_outer_rect.mLeft, draw_center_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(uv_rect.mRight, scale_rect_uv.mBottom); + gGL.vertex2i(width, draw_scale_rect.mBottom); - uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mBottom); - pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mRight, scale_rect_uv.mBottom); + gGL.vertex2i(draw_scale_rect.mRight, draw_scale_rect.mBottom); - uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mTop); - pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mTop, 0.f); - index++; + // draw left + gGL.texCoord2f(uv_rect.mLeft, scale_rect_uv.mBottom); + gGL.vertex2i(0, draw_scale_rect.mBottom); - uv[index] = LLVector2(uv_outer_rect.mLeft, uv_center_rect.mTop); - pos[index] = LLVector3(draw_outer_rect.mLeft, draw_center_rect.mTop, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mLeft, scale_rect_uv.mBottom); + gGL.vertex2i(draw_scale_rect.mLeft, draw_scale_rect.mBottom); - // draw middle - uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mBottom); - pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mLeft, scale_rect_uv.mTop); + gGL.vertex2i(draw_scale_rect.mLeft, draw_scale_rect.mTop); - uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mBottom); - pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(uv_rect.mLeft, scale_rect_uv.mTop); + gGL.vertex2i(0, draw_scale_rect.mTop); - uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mTop); - pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mTop, 0.f); - index++; + // draw middle + gGL.texCoord2f(scale_rect_uv.mLeft, scale_rect_uv.mBottom); + gGL.vertex2i(draw_scale_rect.mLeft, draw_scale_rect.mBottom); - uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mTop); - pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mTop, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mRight, scale_rect_uv.mBottom); + gGL.vertex2i(draw_scale_rect.mRight, draw_scale_rect.mBottom); - // draw right - uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mBottom); - pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mRight, scale_rect_uv.mTop); + gGL.vertex2i(draw_scale_rect.mRight, draw_scale_rect.mTop); - uv[index] = LLVector2(uv_outer_rect.mRight, uv_center_rect.mBottom); - pos[index] = LLVector3(draw_outer_rect.mRight, draw_center_rect.mBottom, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mLeft, scale_rect_uv.mTop); + gGL.vertex2i(draw_scale_rect.mLeft, draw_scale_rect.mTop); - uv[index] = LLVector2(uv_outer_rect.mRight, uv_center_rect.mTop); - pos[index] = LLVector3(draw_outer_rect.mRight, draw_center_rect.mTop, 0.f); - index++; + // draw right + gGL.texCoord2f(scale_rect_uv.mRight, scale_rect_uv.mBottom); + gGL.vertex2i(draw_scale_rect.mRight, draw_scale_rect.mBottom); - uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mTop); - pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mTop, 0.f); - index++; + gGL.texCoord2f(uv_rect.mRight, scale_rect_uv.mBottom); + gGL.vertex2i(width, draw_scale_rect.mBottom); - // draw top left - uv[index] = LLVector2(uv_outer_rect.mLeft, uv_center_rect.mTop); - pos[index] = LLVector3(draw_outer_rect.mLeft, draw_center_rect.mTop, 0.f); - index++; + gGL.texCoord2f(uv_rect.mRight, scale_rect_uv.mTop); + gGL.vertex2i(width, draw_scale_rect.mTop); + + gGL.texCoord2f(scale_rect_uv.mRight, scale_rect_uv.mTop); + gGL.vertex2i(draw_scale_rect.mRight, draw_scale_rect.mTop); - uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mTop); - pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mTop, 0.f); - index++; + // draw top left + gGL.texCoord2f(uv_rect.mLeft, scale_rect_uv.mTop); + gGL.vertex2i(0, draw_scale_rect.mTop); - uv[index] = LLVector2(uv_center_rect.mLeft, uv_outer_rect.mTop); - pos[index] = LLVector3(draw_center_rect.mLeft, draw_outer_rect.mTop, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mLeft, scale_rect_uv.mTop); + gGL.vertex2i(draw_scale_rect.mLeft, draw_scale_rect.mTop); - uv[index] = LLVector2(uv_outer_rect.mLeft, uv_outer_rect.mTop); - pos[index] = LLVector3(draw_outer_rect.mLeft, draw_outer_rect.mTop, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mLeft, uv_rect.mTop); + gGL.vertex2i(draw_scale_rect.mLeft, height); - // draw top middle - uv[index] = LLVector2(uv_center_rect.mLeft, uv_center_rect.mTop); - pos[index] = LLVector3(draw_center_rect.mLeft, draw_center_rect.mTop, 0.f); - index++; + gGL.texCoord2f(uv_rect.mLeft, uv_rect.mTop); + gGL.vertex2i(0, height); - uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mTop); - pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mTop, 0.f); - index++; + // draw top middle + gGL.texCoord2f(scale_rect_uv.mLeft, scale_rect_uv.mTop); + gGL.vertex2i(draw_scale_rect.mLeft, draw_scale_rect.mTop); - uv[index] = LLVector2(uv_center_rect.mRight, uv_outer_rect.mTop); - pos[index] = LLVector3(draw_center_rect.mRight, draw_outer_rect.mTop, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mRight, scale_rect_uv.mTop); + gGL.vertex2i(draw_scale_rect.mRight, draw_scale_rect.mTop); - uv[index] = LLVector2(uv_center_rect.mLeft, uv_outer_rect.mTop); - pos[index] = LLVector3(draw_center_rect.mLeft, draw_outer_rect.mTop, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mRight, uv_rect.mTop); + gGL.vertex2i(draw_scale_rect.mRight, height); - // draw top right - uv[index] = LLVector2(uv_center_rect.mRight, uv_center_rect.mTop); - pos[index] = LLVector3(draw_center_rect.mRight, draw_center_rect.mTop, 0.f); - index++; + gGL.texCoord2f(scale_rect_uv.mLeft, uv_rect.mTop); + gGL.vertex2i(draw_scale_rect.mLeft, height); - uv[index] = LLVector2(uv_outer_rect.mRight, uv_center_rect.mTop); - pos[index] = LLVector3(draw_outer_rect.mRight, draw_center_rect.mTop, 0.f); - index++; + // draw top right + gGL.texCoord2f(scale_rect_uv.mRight, scale_rect_uv.mTop); + gGL.vertex2i(draw_scale_rect.mRight, draw_scale_rect.mTop); - uv[index] = LLVector2(uv_outer_rect.mRight, uv_outer_rect.mTop); - pos[index] = LLVector3(draw_outer_rect.mRight, draw_outer_rect.mTop, 0.f); - index++; + gGL.texCoord2f(uv_rect.mRight, scale_rect_uv.mTop); + gGL.vertex2i(width, draw_scale_rect.mTop); - uv[index] = LLVector2(uv_center_rect.mRight, uv_outer_rect.mTop); - pos[index] = LLVector3(draw_center_rect.mRight, draw_outer_rect.mTop, 0.f); - index++; + gGL.texCoord2f(uv_rect.mRight, uv_rect.mTop); + gGL.vertex2i(width, height); - gGL.vertexBatchPreTransformed(pos, uv, NUM_VERTICES); + gGL.texCoord2f(scale_rect_uv.mRight, uv_rect.mTop); + gGL.vertex2i(draw_scale_rect.mRight, height); + } + gGL.end(); } - gGL.end(); + gGL.popUIMatrix(); if (solid_color) { @@ -729,40 +674,25 @@ void gl_draw_scaled_rotated_image(S32 x, S32 y, S32 width, S32 height, F32 degre if (degrees == 0.f) { - const S32 NUM_VERTICES = 4; // 9 quads - LLVector2 uv[NUM_VERTICES]; - LLVector3 pos[NUM_VERTICES]; - + gGL.pushUIMatrix(); + gGL.translateUI((F32)x, (F32)y, 0.f); + gGL.begin(LLRender::QUADS); { - LLVector3 ui_scale = gGL.getUIScale(); - LLVector3 ui_translation = gGL.getUITranslation(); - ui_translation.mV[VX] += x; - ui_translation.mV[VY] += y; - ui_translation.scaleVec(ui_scale); - S32 index = 0; - S32 scaled_width = llround(width * ui_scale.mV[VX]); - S32 scaled_height = llround(height * ui_scale.mV[VY]); - - uv[index] = LLVector2(uv_rect.mRight, uv_rect.mTop); - pos[index] = LLVector3(ui_translation.mV[VX] + scaled_width, ui_translation.mV[VY] + scaled_height, 0.f); - index++; - - uv[index] = LLVector2(uv_rect.mLeft, uv_rect.mTop); - pos[index] = LLVector3(ui_translation.mV[VX], ui_translation.mV[VY] + scaled_height, 0.f); - index++; - - uv[index] = LLVector2(uv_rect.mLeft, uv_rect.mBottom); - pos[index] = LLVector3(ui_translation.mV[VX], ui_translation.mV[VY], 0.f); - index++; - - uv[index] = LLVector2(uv_rect.mRight, uv_rect.mBottom); - pos[index] = LLVector3(ui_translation.mV[VX] + scaled_width, ui_translation.mV[VY], 0.f); - index++; - - gGL.vertexBatchPreTransformed(pos, uv, NUM_VERTICES); + gGL.texCoord2f(uv_rect.mRight, uv_rect.mTop); + gGL.vertex2i(width, height ); + + gGL.texCoord2f(uv_rect.mLeft, uv_rect.mTop); + gGL.vertex2i(0, height ); + + gGL.texCoord2f(uv_rect.mLeft, uv_rect.mBottom); + gGL.vertex2i(0, 0); + + gGL.texCoord2f(uv_rect.mRight, uv_rect.mBottom); + gGL.vertex2i(width, 0); } gGL.end(); + gGL.popUIMatrix(); } else { @@ -831,6 +761,25 @@ void gl_stippled_line_3d( const LLVector3& start, const LLVector3& end, const LL LLUI::setLineWidth(1.f); } + +void gl_rect_2d_xor(S32 left, S32 top, S32 right, S32 bottom) +{ + gGL.color4fv( LLColor4::white.mV ); + glLogicOp( GL_XOR ); + stop_glerror(); + + gGL.begin(LLRender::QUADS); + gGL.vertex2i(left, top); + gGL.vertex2i(left, bottom); + gGL.vertex2i(right, bottom); + gGL.vertex2i(right, top); + gGL.end(); + + glLogicOp( GL_COPY ); + stop_glerror(); +} + + void gl_arc_2d(F32 center_x, F32 center_y, F32 radius, S32 steps, BOOL filled, F32 start_angle, F32 end_angle) { if (end_angle < start_angle) @@ -1064,6 +1013,42 @@ void gl_washer_segment_2d(F32 outer_radius, F32 inner_radius, F32 start_radians, gGL.end(); } +// Draws spokes around a circle. +void gl_washer_spokes_2d(F32 outer_radius, F32 inner_radius, S32 count, const LLColor4& inner_color, const LLColor4& outer_color) +{ + const F32 DELTA = F_TWO_PI / count; + const F32 HALF_DELTA = DELTA * 0.5f; + const F32 SIN_DELTA = sin( DELTA ); + const F32 COS_DELTA = cos( DELTA ); + + F32 x1 = outer_radius * cos( HALF_DELTA ); + F32 y1 = outer_radius * sin( HALF_DELTA ); + F32 x2 = inner_radius * cos( HALF_DELTA ); + F32 y2 = inner_radius * sin( HALF_DELTA ); + + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); + + gGL.begin( LLRender::LINES ); + { + while( count-- ) + { + gGL.color4fv(outer_color.mV); + gGL.vertex2f( x1, y1 ); + gGL.color4fv(inner_color.mV); + gGL.vertex2f( x2, y2 ); + + F32 x1_new = x1 * COS_DELTA - y1 * SIN_DELTA; + y1 = x1 * SIN_DELTA + y1 * COS_DELTA; + x1 = x1_new; + + F32 x2_new = x2 * COS_DELTA - y2 * SIN_DELTA; + y2 = x2 * SIN_DELTA + y2 * COS_DELTA; + x2 = x2_new; + } + } + gGL.end(); +} + void gl_rect_2d_simple_tex( S32 width, S32 height ) { gGL.begin( LLRender::QUADS ); @@ -1251,7 +1236,6 @@ void gl_segmented_rect_2d_tex(const S32 left, gGL.popUIMatrix(); } -//FIXME: rewrite to use scissor? void gl_segmented_rect_2d_fragment_tex(const S32 left, const S32 top, const S32 right, |