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  1. /*
  2.  * Copyright (C) 2009 Francisco Jerez.
  3.  * All Rights Reserved.
  4.  *
  5.  * Permission is hereby granted, free of charge, to any person obtaining
  6.  * a copy of this software and associated documentation files (the
  7.  * "Software"), to deal in the Software without restriction, including
  8.  * without limitation the rights to use, copy, modify, merge, publish,
  9.  * distribute, sublicense, and/or sell copies of the Software, and to
  10.  * permit persons to whom the Software is furnished to do so, subject to
  11.  * the following conditions:
  12.  *
  13.  * The above copyright notice and this permission notice (including the
  14.  * next paragraph) shall be included in all copies or substantial
  15.  * portions of the Software.
  16.  *
  17.  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18.  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19.  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  20.  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  21.  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  22.  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  23.  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  24.  *
  25.  */
  26.  
  27. #include "nouveau_driver.h"
  28. #include "nouveau_context.h"
  29. #include "nouveau_gldefs.h"
  30. #include "nouveau_util.h"
  31. #include "nv_object.xml.h"
  32. #include "nv10_3d.xml.h"
  33. #include "nv10_driver.h"
  34.  
  35. #include "main/stencil.h"
  36.  
  37. void
  38. nv10_emit_alpha_func(struct gl_context *ctx, int emit)
  39. {
  40.         struct nouveau_pushbuf *push = context_push(ctx);
  41.  
  42.         BEGIN_NV04(push, NV10_3D(ALPHA_FUNC_ENABLE), 1);
  43.         PUSH_DATAb(push, ctx->Color.AlphaEnabled);
  44.  
  45.         BEGIN_NV04(push, NV10_3D(ALPHA_FUNC_FUNC), 2);
  46.         PUSH_DATA (push, nvgl_comparison_op(ctx->Color.AlphaFunc));
  47.         PUSH_DATA (push, FLOAT_TO_UBYTE(ctx->Color.AlphaRef));
  48. }
  49.  
  50. void
  51. nv10_emit_blend_color(struct gl_context *ctx, int emit)
  52. {
  53.         struct nouveau_pushbuf *push = context_push(ctx);
  54.  
  55.         BEGIN_NV04(push, NV10_3D(BLEND_COLOR), 1);
  56.         PUSH_DATA (push, FLOAT_TO_UBYTE(ctx->Color.BlendColor[3]) << 24 |
  57.                  FLOAT_TO_UBYTE(ctx->Color.BlendColor[0]) << 16 |
  58.                  FLOAT_TO_UBYTE(ctx->Color.BlendColor[1]) << 8 |
  59.                  FLOAT_TO_UBYTE(ctx->Color.BlendColor[2]) << 0);
  60. }
  61.  
  62. void
  63. nv10_emit_blend_equation(struct gl_context *ctx, int emit)
  64. {
  65.         struct nouveau_pushbuf *push = context_push(ctx);
  66.  
  67.         BEGIN_NV04(push, NV10_3D(BLEND_FUNC_ENABLE), 1);
  68.         PUSH_DATAb(push, ctx->Color.BlendEnabled);
  69.  
  70.         BEGIN_NV04(push, NV10_3D(BLEND_EQUATION), 1);
  71.         PUSH_DATA (push, nvgl_blend_eqn(ctx->Color.Blend[0].EquationRGB));
  72. }
  73.  
  74. void
  75. nv10_emit_blend_func(struct gl_context *ctx, int emit)
  76. {
  77.         struct nouveau_pushbuf *push = context_push(ctx);
  78.  
  79.         BEGIN_NV04(push, NV10_3D(BLEND_FUNC_SRC), 2);
  80.         PUSH_DATA (push, nvgl_blend_func(ctx->Color.Blend[0].SrcRGB));
  81.         PUSH_DATA (push, nvgl_blend_func(ctx->Color.Blend[0].DstRGB));
  82. }
  83.  
  84. void
  85. nv10_emit_color_mask(struct gl_context *ctx, int emit)
  86. {
  87.         struct nouveau_pushbuf *push = context_push(ctx);
  88.  
  89.         BEGIN_NV04(push, NV10_3D(COLOR_MASK), 1);
  90.         PUSH_DATA (push, ((ctx->Color.ColorMask[0][3] ? 1 << 24 : 0) |
  91.                         (ctx->Color.ColorMask[0][0] ? 1 << 16 : 0) |
  92.                         (ctx->Color.ColorMask[0][1] ? 1 << 8 : 0) |
  93.                         (ctx->Color.ColorMask[0][2] ? 1 << 0 : 0)));
  94. }
  95.  
  96. void
  97. nv10_emit_depth(struct gl_context *ctx, int emit)
  98. {
  99.         struct nouveau_pushbuf *push = context_push(ctx);
  100.         struct gl_framebuffer *fb = ctx->DrawBuffer;
  101.  
  102.         BEGIN_NV04(push, NV10_3D(DEPTH_TEST_ENABLE), 1);
  103.         PUSH_DATAb(push, ctx->Depth.Test && fb->Visual.depthBits > 0);
  104.         BEGIN_NV04(push, NV10_3D(DEPTH_WRITE_ENABLE), 1);
  105.         PUSH_DATAb(push, ctx->Depth.Mask && fb->Visual.depthBits > 0);
  106.         BEGIN_NV04(push, NV10_3D(DEPTH_FUNC), 1);
  107.         PUSH_DATA (push, nvgl_comparison_op(ctx->Depth.Func));
  108. }
  109.  
  110. void
  111. nv10_emit_dither(struct gl_context *ctx, int emit)
  112. {
  113.         struct nouveau_pushbuf *push = context_push(ctx);
  114.  
  115.         BEGIN_NV04(push, NV10_3D(DITHER_ENABLE), 1);
  116.         PUSH_DATAb(push, ctx->Color.DitherFlag);
  117. }
  118.  
  119. void
  120. nv10_emit_logic_opcode(struct gl_context *ctx, int emit)
  121. {
  122.         struct nouveau_pushbuf *push = context_push(ctx);
  123.  
  124.         assert(!ctx->Color.ColorLogicOpEnabled
  125.                || context_eng3d(ctx)->oclass >= NV15_3D_CLASS);
  126.  
  127.         BEGIN_NV04(push, NV11_3D(COLOR_LOGIC_OP_ENABLE), 2);
  128.         PUSH_DATAb(push, ctx->Color.ColorLogicOpEnabled);
  129.         PUSH_DATA (push, nvgl_logicop_func(ctx->Color.LogicOp));
  130. }
  131.  
  132. void
  133. nv10_emit_shade_model(struct gl_context *ctx, int emit)
  134. {
  135.         struct nouveau_pushbuf *push = context_push(ctx);
  136.  
  137.         BEGIN_NV04(push, NV10_3D(SHADE_MODEL), 1);
  138.         PUSH_DATA (push, ctx->Light.ShadeModel == GL_SMOOTH ?
  139.                  NV10_3D_SHADE_MODEL_SMOOTH : NV10_3D_SHADE_MODEL_FLAT);
  140. }
  141.  
  142. void
  143. nv10_emit_stencil_func(struct gl_context *ctx, int emit)
  144. {
  145.         struct nouveau_pushbuf *push = context_push(ctx);
  146.  
  147.         BEGIN_NV04(push, NV10_3D(STENCIL_ENABLE), 1);
  148.         PUSH_DATAb(push, ctx->Stencil._Enabled);
  149.  
  150.         BEGIN_NV04(push, NV10_3D(STENCIL_FUNC_FUNC), 3);
  151.         PUSH_DATA (push, nvgl_comparison_op(ctx->Stencil.Function[0]));
  152.         PUSH_DATA (push, _mesa_get_stencil_ref(ctx, 0));
  153.         PUSH_DATA (push, ctx->Stencil.ValueMask[0]);
  154. }
  155.  
  156. void
  157. nv10_emit_stencil_mask(struct gl_context *ctx, int emit)
  158. {
  159.         struct nouveau_pushbuf *push = context_push(ctx);
  160.  
  161.         BEGIN_NV04(push, NV10_3D(STENCIL_MASK), 1);
  162.         PUSH_DATA (push, ctx->Stencil.WriteMask[0]);
  163. }
  164.  
  165. void
  166. nv10_emit_stencil_op(struct gl_context *ctx, int emit)
  167. {
  168.         struct nouveau_pushbuf *push = context_push(ctx);
  169.  
  170.         BEGIN_NV04(push, NV10_3D(STENCIL_OP_FAIL), 3);
  171.         PUSH_DATA (push, nvgl_stencil_op(ctx->Stencil.FailFunc[0]));
  172.         PUSH_DATA (push, nvgl_stencil_op(ctx->Stencil.ZFailFunc[0]));
  173.         PUSH_DATA (push, nvgl_stencil_op(ctx->Stencil.ZPassFunc[0]));
  174. }
  175.