arb_texture_query_levels: add execution tests

Ensure that the returned level count is correct in various situations.

V2: Use [vertex shader passthrough] for fs tests.

Signed-off-by: Chris Forbes <chrisf@ijw.co.nz>
Reviewed-by: Matt Turner <mattst88@gmail.com>

8 files changed, 313 insertions, 0 deletions

diff --git a/tests/spec/arb_texture_query_levels/execution/fs-baselevel.shader_test b/tests/spec/arb_texture_query_levels/execution/fs-baselevel.shader_test
new file mode 100644
index 000000000..e8ed1d732
--- /dev/null
+++ b/tests/spec/arb_texture_query_levels/execution/fs-baselevel.shader_test
@@ -0,0 +1,35 @@
+[require]
+GLSL >= 1.30
+GL_ARB_texture_query_levels
+
+[vertex shader passthrough]
+
+[fragment shader]
+#extension GL_ARB_texture_query_levels: require
+
+uniform sampler2D s;
+uniform int expected;
+
+void main() {
+       if (textureQueryLevels(s) == expected)
+           gl_FragColor = vec4(0,1,0,0);
+       else
+           gl_FragColor = vec4(1,0,0,0);
+}
+
+[test]
+ortho
+clear color 0.4 0.4 0.4 0
+clear
+
+texture miptree 0
+uniform int s 0
+
+texparameter 2D min nearest_mipmap_nearest
+texparameter 2D mag nearest
+texparameter 2D base_level 1
+
+uniform int expected 3
+
+draw rect 0 -1 1 1
+relative probe rgba (0.75, 0.25)   (0, 1, 0, 0)
diff --git a/tests/spec/arb_texture_query_levels/execution/fs-maxlevel.shader_test b/tests/spec/arb_texture_query_levels/execution/fs-maxlevel.shader_test
new file mode 100644
index 000000000..f0894da7e
--- /dev/null
+++ b/tests/spec/arb_texture_query_levels/execution/fs-maxlevel.shader_test
@@ -0,0 +1,35 @@
+[require]
+GLSL >= 1.30
+GL_ARB_texture_query_levels
+
+[vertex shader passthrough]
+
+[fragment shader]
+#extension GL_ARB_texture_query_levels: require
+
+uniform sampler2D s;
+uniform int expected;
+
+void main() {
+       if (textureQueryLevels(s) == expected)
+           gl_FragColor = vec4(0,1,0,0);
+       else
+           gl_FragColor = vec4(1,0,0,0);
+}
+
+[test]
+ortho
+clear color 0.4 0.4 0.4 0
+clear
+
+texture miptree 0
+uniform int s 0
+
+texparameter 2D min nearest_mipmap_nearest
+texparameter 2D mag nearest
+texparameter 2D max_level 2
+
+uniform int expected 3
+
+draw rect 0 -1 1 1
+relative probe rgba (0.75, 0.25)   (0, 1, 0, 0)
diff --git a/tests/spec/arb_texture_query_levels/execution/fs-miptree.shader_test b/tests/spec/arb_texture_query_levels/execution/fs-miptree.shader_test
new file mode 100644
index 000000000..43ae8f7f8
--- /dev/null
+++ b/tests/spec/arb_texture_query_levels/execution/fs-miptree.shader_test
@@ -0,0 +1,34 @@
+[require]
+GLSL >= 1.30
+GL_ARB_texture_query_levels
+
+[vertex shader passthrough]
+
+[fragment shader]
+#extension GL_ARB_texture_query_levels: require
+
+uniform sampler2D s;
+uniform int expected;
+
+void main() {
+       if (textureQueryLevels(s) == expected)
+           gl_FragColor = vec4(0,1,0,0);
+       else
+           gl_FragColor = vec4(1,0,0,0);
+}
+
+[test]
+ortho
+clear color 0.4 0.4 0.4 0
+clear
+
+texture miptree 0
+uniform int s 0
+
+texparameter 2D min nearest_mipmap_nearest
+texparameter 2D mag nearest
+
+uniform int expected 4
+
+draw rect -1 -1 2 2
+relative probe rgba (0.5, 0.5)   (0, 1, 0, 0)
diff --git a/tests/spec/arb_texture_query_levels/execution/fs-nomips.shader_test b/tests/spec/arb_texture_query_levels/execution/fs-nomips.shader_test
new file mode 100644
index 000000000..3702c8687
--- /dev/null
+++ b/tests/spec/arb_texture_query_levels/execution/fs-nomips.shader_test
@@ -0,0 +1,34 @@
+[require]
+GLSL >= 1.30
+GL_ARB_texture_query_levels
+
+[vertex shader passthrough]
+
+[fragment shader]
+#extension GL_ARB_texture_query_levels: require
+
+uniform sampler2D s;
+uniform int expected;
+
+void main() {
+       if (textureQueryLevels(s) == expected)
+           gl_FragColor = vec4(0,1,0,0);
+       else
+           gl_FragColor = vec4(1,0,0,0);
+}
+
+[test]
+ortho
+clear color 0.4 0.4 0.4 0
+clear
+
+texture miptree 0
+uniform int s 0
+
+texparameter 2D min nearest
+texparameter 2D mag nearest
+
+uniform int expected 1
+
+draw rect -1 -1 2 2
+relative probe rgba (0.5, 0.5)   (0, 1, 0, 0)
diff --git a/tests/spec/arb_texture_query_levels/execution/vs-baselevel.shader_test b/tests/spec/arb_texture_query_levels/execution/vs-baselevel.shader_test
new file mode 100644
index 000000000..7e866b0fd
--- /dev/null
+++ b/tests/spec/arb_texture_query_levels/execution/vs-baselevel.shader_test
@@ -0,0 +1,44 @@
+[require]
+GLSL >= 1.30
+GL_ARB_texture_query_levels
+
+[vertex shader]
+#extension GL_ARB_texture_query_levels: require
+
+in vec4 vertex;
+out vec4 color;
+
+uniform sampler2D s;
+uniform int expected;
+
+void main() {
+    gl_Position = vertex;
+   if (textureQueryLevels(s) == expected)
+       color = vec4(0,1,0,0);
+   else
+       color = vec4(1,0,0,0);
+}
+
+[fragment shader]
+in vec4 color;
+
+void main() {
+    gl_FragColor = color;
+}
+
+[test]
+ortho
+clear color 0.4 0.4 0.4 0
+clear
+
+texture miptree 0
+uniform int s 0
+
+texparameter 2D min nearest_mipmap_nearest
+texparameter 2D mag nearest
+texparameter 2D base_level 1
+
+uniform int expected 3
+
+draw rect -1 -1 2 2
+relative probe rgba (0.5, 0.5)   (0, 1, 0, 0)
diff --git a/tests/spec/arb_texture_query_levels/execution/vs-maxlevel.shader_test b/tests/spec/arb_texture_query_levels/execution/vs-maxlevel.shader_test
new file mode 100644
index 000000000..ecd56bc64
--- /dev/null
+++ b/tests/spec/arb_texture_query_levels/execution/vs-maxlevel.shader_test
@@ -0,0 +1,45 @@
+[require]
+GLSL >= 1.30
+GL_ARB_texture_query_levels
+
+[vertex shader]
+#extension GL_ARB_texture_query_levels: require
+
+in vec4 vertex;
+out vec4 color;
+
+uniform sampler2D s;
+uniform int expected;
+
+void main() {
+    gl_Position = vertex;
+   if (textureQueryLevels(s) == expected)
+       color = vec4(0,1,0,0);
+   else
+       color = vec4(1,0,0,0);
+}
+
+[fragment shader]
+in vec4 color;
+
+void main() {
+    gl_FragColor = color;
+}
+
+[test]
+ortho
+clear color 0.4 0.4 0.4 0
+clear
+
+texture miptree 0
+uniform int s 0
+
+texparameter 2D min nearest_mipmap_nearest
+texparameter 2D mag nearest
+texparameter 2D base_level 0
+texparameter 2D max_level 2
+
+uniform int expected 3
+
+draw rect -1 -1 2 2
+relative probe rgba (0.5, 0.5)   (0, 1, 0, 0)
diff --git a/tests/spec/arb_texture_query_levels/execution/vs-miptree.shader_test b/tests/spec/arb_texture_query_levels/execution/vs-miptree.shader_test
new file mode 100644
index 000000000..55b725d54
--- /dev/null
+++ b/tests/spec/arb_texture_query_levels/execution/vs-miptree.shader_test
@@ -0,0 +1,43 @@
+[require]
+GLSL >= 1.30
+GL_ARB_texture_query_levels
+
+[vertex shader]
+#extension GL_ARB_texture_query_levels: require
+
+in vec4 vertex;
+out vec4 color;
+
+uniform sampler2D s;
+uniform int expected;
+
+void main() {
+    gl_Position = vertex;
+   if (textureQueryLevels(s) == expected)
+       color = vec4(0,1,0,0);
+   else
+       color = vec4(1,0,0,0);
+}
+
+[fragment shader]
+in vec4 color;
+
+void main() {
+    gl_FragColor = color;
+}
+
+[test]
+ortho
+clear color 0.4 0.4 0.4 0
+clear
+
+texture miptree 0
+uniform int s 0
+
+texparameter 2D min nearest_mipmap_nearest
+texparameter 2D mag nearest
+
+uniform int expected 4
+
+draw rect -1 -1 2 2
+relative probe rgba (0.5, 0.5)   (0, 1, 0, 0)
diff --git a/tests/spec/arb_texture_query_levels/execution/vs-nomips.shader_test b/tests/spec/arb_texture_query_levels/execution/vs-nomips.shader_test
new file mode 100644
index 000000000..904d506c1
--- /dev/null
+++ b/tests/spec/arb_texture_query_levels/execution/vs-nomips.shader_test
@@ -0,0 +1,43 @@
+[require]
+GLSL >= 1.30
+GL_ARB_texture_query_levels
+
+[vertex shader]
+#extension GL_ARB_texture_query_levels: require
+
+in vec4 vertex;
+out vec4 color;
+
+uniform sampler2D s;
+uniform int expected;
+
+void main() {
+    gl_Position = vertex;
+   if (textureQueryLevels(s) == expected)
+       color = vec4(0,1,0,0);
+   else
+       color = vec4(1,0,0,0);
+}
+
+[fragment shader]
+in vec4 color;
+
+void main() {
+    gl_FragColor = color;
+}
+
+[test]
+ortho
+clear color 0.4 0.4 0.4 0
+clear
+
+texture miptree 0
+uniform int s 0
+
+texparameter 2D min nearest
+texparameter 2D mag nearest
+
+uniform int expected 1
+
+draw rect -1 -1 2 2
+relative probe rgba (0.5, 0.5)  (0, 1, 0, 0)